master/master.c
author Christoph Mathys <ch1010832@ch10pc602>
Thu, 04 Nov 2010 09:32:58 +0100
branchstable-1.5
changeset 2198 190791fd47d2
parent 2178 3afde1f58e1a
child 2235 cd49c2c31dcb
permissions -rw-r--r--
Added e1000 port for 2.6.31
39
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents: 35
diff changeset
     1
/******************************************************************************
0
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     2
 *
2085
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
     3
 *  $Id$
0
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     4
 *
1326
ef907b0b5125 merge -c1603 branches/stable-1.4: Changed licence headers to avoid conflicts with the GPL; restricted licence to GPLv2 only.
Florian Pose <fp@igh-essen.com>
parents: 1313
diff changeset
     5
 *  Copyright (C) 2006-2008  Florian Pose, Ingenieurgemeinschaft IgH
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
     6
 *
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
     7
 *  This file is part of the IgH EtherCAT Master.
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
     8
 *
1326
ef907b0b5125 merge -c1603 branches/stable-1.4: Changed licence headers to avoid conflicts with the GPL; restricted licence to GPLv2 only.
Florian Pose <fp@igh-essen.com>
parents: 1313
diff changeset
     9
 *  The IgH EtherCAT Master is free software; you can redistribute it and/or
ef907b0b5125 merge -c1603 branches/stable-1.4: Changed licence headers to avoid conflicts with the GPL; restricted licence to GPLv2 only.
Florian Pose <fp@igh-essen.com>
parents: 1313
diff changeset
    10
 *  modify it under the terms of the GNU General Public License version 2, as
ef907b0b5125 merge -c1603 branches/stable-1.4: Changed licence headers to avoid conflicts with the GPL; restricted licence to GPLv2 only.
Florian Pose <fp@igh-essen.com>
parents: 1313
diff changeset
    11
 *  published by the Free Software Foundation.
ef907b0b5125 merge -c1603 branches/stable-1.4: Changed licence headers to avoid conflicts with the GPL; restricted licence to GPLv2 only.
Florian Pose <fp@igh-essen.com>
parents: 1313
diff changeset
    12
 *
ef907b0b5125 merge -c1603 branches/stable-1.4: Changed licence headers to avoid conflicts with the GPL; restricted licence to GPLv2 only.
Florian Pose <fp@igh-essen.com>
parents: 1313
diff changeset
    13
 *  The IgH EtherCAT Master is distributed in the hope that it will be useful,
ef907b0b5125 merge -c1603 branches/stable-1.4: Changed licence headers to avoid conflicts with the GPL; restricted licence to GPLv2 only.
Florian Pose <fp@igh-essen.com>
parents: 1313
diff changeset
    14
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
ef907b0b5125 merge -c1603 branches/stable-1.4: Changed licence headers to avoid conflicts with the GPL; restricted licence to GPLv2 only.
Florian Pose <fp@igh-essen.com>
parents: 1313
diff changeset
    15
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
ef907b0b5125 merge -c1603 branches/stable-1.4: Changed licence headers to avoid conflicts with the GPL; restricted licence to GPLv2 only.
Florian Pose <fp@igh-essen.com>
parents: 1313
diff changeset
    16
 *  Public License for more details.
ef907b0b5125 merge -c1603 branches/stable-1.4: Changed licence headers to avoid conflicts with the GPL; restricted licence to GPLv2 only.
Florian Pose <fp@igh-essen.com>
parents: 1313
diff changeset
    17
 *
ef907b0b5125 merge -c1603 branches/stable-1.4: Changed licence headers to avoid conflicts with the GPL; restricted licence to GPLv2 only.
Florian Pose <fp@igh-essen.com>
parents: 1313
diff changeset
    18
 *  You should have received a copy of the GNU General Public License along
ef907b0b5125 merge -c1603 branches/stable-1.4: Changed licence headers to avoid conflicts with the GPL; restricted licence to GPLv2 only.
Florian Pose <fp@igh-essen.com>
parents: 1313
diff changeset
    19
 *  with the IgH EtherCAT Master; if not, write to the Free Software
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
    20
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
    21
 *
1363
11c0b2caa253 Improved and added license headers.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
    22
 *  ---
11c0b2caa253 Improved and added license headers.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
    23
 *
11c0b2caa253 Improved and added license headers.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
    24
 *  The license mentioned above concerns the source code only. Using the
11c0b2caa253 Improved and added license headers.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
    25
 *  EtherCAT technology and brand is only permitted in compliance with the
11c0b2caa253 Improved and added license headers.
Florian Pose <fp@igh-essen.com>
parents: 1335
diff changeset
    26
 *  industrial property and similar rights of Beckhoff Automation GmbH.
246
0bf7c769de06 Changed license headers and added EtherCAT license notice.
Florian Pose <fp@igh-essen.com>
parents: 239
diff changeset
    27
 *
1873
219be3742274 Added missing queue_external_datagram(); removed tabs.
Florian Pose <fp@igh-essen.com>
parents: 1856
diff changeset
    28
 *  vim: expandtab
219be3742274 Added missing queue_external_datagram(); removed tabs.
Florian Pose <fp@igh-essen.com>
parents: 1856
diff changeset
    29
 *
39
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents: 35
diff changeset
    30
 *****************************************************************************/
0
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    31
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
    32
/**
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
    33
   \file
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
    34
   EtherCAT master methods.
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
    35
*/
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
    36
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
    37
/*****************************************************************************/
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
    38
24
d417dd9bdc2f Wilhelms ?nderungen ?bernommen.
Florian Pose <fp@igh-essen.com>
parents: 23
diff changeset
    39
#include <linux/module.h>
0
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    40
#include <linux/kernel.h>
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    41
#include <linux/string.h>
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    42
#include <linux/slab.h>
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    43
#include <linux/delay.h>
1015
24efac66a647 Added support for different versions of class_device_create().
Florian Pose <fp@igh-essen.com>
parents: 1013
diff changeset
    44
#include <linux/device.h>
24efac66a647 Added support for different versions of class_device_create().
Florian Pose <fp@igh-essen.com>
parents: 1013
diff changeset
    45
#include <linux/version.h>
1600
e36c92cf58a9 use given send interval to limit SDO/FOE traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1597
diff changeset
    46
#include <linux/hrtimer.h>
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
    47
#include "globals.h"
55
059a9e712aa7 Mit neuer Schnittstelle wieder lauff?hig.
Florian Pose <fp@igh-essen.com>
parents: 54
diff changeset
    48
#include "slave.h"
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
    49
#include "slave_config.h"
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
    50
#include "device.h"
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
    51
#include "datagram.h"
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
    52
#ifdef EC_EOE
145
11a82e4fd31b Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents: 144
diff changeset
    53
#include "ethernet.h"
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
    54
#endif
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
    55
#include "master.h"
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
    56
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
    57
/*****************************************************************************/
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
    58
1597
491dea6f4fd7 Moved FOE request queue and fsm into slaves
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1596
diff changeset
    59
/** Set to 1 to enable external datagram injection debugging.
491dea6f4fd7 Moved FOE request queue and fsm into slaves
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1596
diff changeset
    60
 */
491dea6f4fd7 Moved FOE request queue and fsm into slaves
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1596
diff changeset
    61
#define DEBUG_INJECT 0
491dea6f4fd7 Moved FOE request queue and fsm into slaves
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1596
diff changeset
    62
1279
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
    63
#ifdef EC_HAVE_CYCLES
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
    64
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
    65
/** Frame timeout in cycles.
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
    66
 */
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
    67
static cycles_t timeout_cycles;
1906
96805a6eae3d Renamed sdo_injecton_timeout to ext_injection_timeout.
Florian Pose <fp@igh-essen.com>
parents: 1873
diff changeset
    68
96805a6eae3d Renamed sdo_injecton_timeout to ext_injection_timeout.
Florian Pose <fp@igh-essen.com>
parents: 1873
diff changeset
    69
/** Timeout for external datagram injection [cycles].
96805a6eae3d Renamed sdo_injecton_timeout to ext_injection_timeout.
Florian Pose <fp@igh-essen.com>
parents: 1873
diff changeset
    70
 */
96805a6eae3d Renamed sdo_injecton_timeout to ext_injection_timeout.
Florian Pose <fp@igh-essen.com>
parents: 1873
diff changeset
    71
static cycles_t ext_injection_timeout_cycles;
96805a6eae3d Renamed sdo_injecton_timeout to ext_injection_timeout.
Florian Pose <fp@igh-essen.com>
parents: 1873
diff changeset
    72
1279
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
    73
#else
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
    74
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
    75
/** Frame timeout in jiffies.
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
    76
 */
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
    77
static unsigned long timeout_jiffies;
1906
96805a6eae3d Renamed sdo_injecton_timeout to ext_injection_timeout.
Florian Pose <fp@igh-essen.com>
parents: 1873
diff changeset
    78
96805a6eae3d Renamed sdo_injecton_timeout to ext_injection_timeout.
Florian Pose <fp@igh-essen.com>
parents: 1873
diff changeset
    79
/** Timeout for external datagram injection [jiffies].
96805a6eae3d Renamed sdo_injecton_timeout to ext_injection_timeout.
Florian Pose <fp@igh-essen.com>
parents: 1873
diff changeset
    80
 */
96805a6eae3d Renamed sdo_injecton_timeout to ext_injection_timeout.
Florian Pose <fp@igh-essen.com>
parents: 1873
diff changeset
    81
static unsigned long ext_injection_timeout_jiffies;
1585
1f640e321ee4 ecrt_master_set_max_cycle_size: limit SDO traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1583
diff changeset
    82
1279
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
    83
#endif
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
    84
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
    85
/*****************************************************************************/
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
    86
995
54149a703c47 Removed kobject from slave_config.
Florian Pose <fp@igh-essen.com>
parents: 994
diff changeset
    87
void ec_master_clear_slave_configs(ec_master_t *);
993
8c32564252fd Removed kobject from domain.
Florian Pose <fp@igh-essen.com>
parents: 992
diff changeset
    88
void ec_master_clear_domains(ec_master_t *);
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
    89
static int ec_master_idle_thread(void *);
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
    90
static int ec_master_operation_thread(void *);
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
    91
#ifdef EC_EOE
1489
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
    92
static int ec_master_eoe_thread(void *);
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
    93
#endif
1425
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
    94
void ec_master_find_dc_ref_clock(ec_master_t *);
179
fb4c9dd11ca0 Sourced SysFS attribute show method prototypes out of headers.
Florian Pose <fp@igh-essen.com>
parents: 178
diff changeset
    95
fb4c9dd11ca0 Sourced SysFS attribute show method prototypes out of headers.
Florian Pose <fp@igh-essen.com>
parents: 178
diff changeset
    96
/*****************************************************************************/
fb4c9dd11ca0 Sourced SysFS attribute show method prototypes out of headers.
Florian Pose <fp@igh-essen.com>
parents: 178
diff changeset
    97
1279
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
    98
/** Static variables initializer.
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
    99
*/
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
   100
void ec_master_init_static(void)
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
   101
{
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
   102
#ifdef EC_HAVE_CYCLES
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
   103
    timeout_cycles = (cycles_t) EC_IO_TIMEOUT /* us */ * (cpu_khz / 1000);
1906
96805a6eae3d Renamed sdo_injecton_timeout to ext_injection_timeout.
Florian Pose <fp@igh-essen.com>
parents: 1873
diff changeset
   104
    ext_injection_timeout_cycles = (cycles_t) EC_SDO_INJECTION_TIMEOUT /* us */ * (cpu_khz / 1000);
1279
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
   105
#else
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
   106
    // one jiffy may always elapse between time measurement
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
   107
    timeout_jiffies = max(EC_IO_TIMEOUT * HZ / 1000000, 1);
1906
96805a6eae3d Renamed sdo_injecton_timeout to ext_injection_timeout.
Florian Pose <fp@igh-essen.com>
parents: 1873
diff changeset
   108
    ext_injection_timeout_jiffies = max(EC_SDO_INJECTION_TIMEOUT * HZ / 1000000, 1);
1279
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
   109
#endif
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
   110
}
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
   111
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
   112
/*****************************************************************************/
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
   113
0
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   114
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   115
   Master constructor.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   116
   \return 0 in case of success, else < 0
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   117
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   118
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   119
int ec_master_init(ec_master_t *master, /**< EtherCAT master */
576
158c5a3d0a2a New module file /sys/ethercat, masters moved to /sys/ethercat/masterX.
Florian Pose <fp@igh-essen.com>
parents: 573
diff changeset
   120
        unsigned int index, /**< master index */
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   121
        const uint8_t *main_mac, /**< MAC address of main device */
922
fede1d8f5b71 Added the new ethercat comman-line tool with lsec functionality.
Florian Pose <fp@igh-essen.com>
parents: 902
diff changeset
   122
        const uint8_t *backup_mac, /**< MAC address of backup device */
1013
52256b75f975 Create class device with device_number information in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1010
diff changeset
   123
        dev_t device_number, /**< Character device number. */
1399
f79d4bb5b23a Added debug_level module parameter. debug_level is now unsigned int.
Florian Pose <fp@igh-essen.com>
parents: 1396
diff changeset
   124
        struct class *class, /**< Device class. */
f79d4bb5b23a Added debug_level module parameter. debug_level is now unsigned int.
Florian Pose <fp@igh-essen.com>
parents: 1396
diff changeset
   125
        unsigned int debug_level /**< Debug level (module parameter). */
576
158c5a3d0a2a New module file /sys/ethercat, masters moved to /sys/ethercat/masterX.
Florian Pose <fp@igh-essen.com>
parents: 573
diff changeset
   126
        )
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   127
{
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   128
    int ret;
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   129
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   130
    master->index = index;
647
dc556a8c8fed Replaced master variable 'atomic_t available' by integer and used
Florian Pose <fp@igh-essen.com>
parents: 646
diff changeset
   131
    master->reserved = 0;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   132
1579
326d47aa986c applied komax patch to version r1822
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1507
diff changeset
   133
    sema_init(&master->master_sem, 1);
1075
94c6e36e0f8d Implemented master semaphore to secure concurrent access from ioctls, state machine and realtime interface.
Florian Pose <fp@igh-essen.com>
parents: 1055
diff changeset
   134
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   135
    master->main_mac = main_mac;
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   136
    master->backup_mac = backup_mac;
1579
326d47aa986c applied komax patch to version r1822
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1507
diff changeset
   137
326d47aa986c applied komax patch to version r1822
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1507
diff changeset
   138
    sema_init(&master->device_sem, 1);
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   139
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   140
    master->phase = EC_ORPHANED;
1530
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
   141
    master->active = 0;
1925
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
   142
    master->config_changed = 0;
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   143
    master->injection_seq_fsm = 0;
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   144
    master->injection_seq_rt = 0;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   145
1000
5746fdd1ca2e Store slaves in an array instead of a list.
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   146
    master->slaves = NULL;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   147
    master->slave_count = 0;
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   148
    
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   149
    INIT_LIST_HEAD(&master->configs);
2168
670cd8aa273d Minor: Ordered master member initialisations.
Florian Pose <fp@igh-essen.com>
parents: 2124
diff changeset
   150
    INIT_LIST_HEAD(&master->domains);
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   151
1507
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
   152
    master->app_time = 0ULL;
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
   153
    master->app_start_time = 0ULL;
1925
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
   154
    master->has_app_time = 0;
1408
91b35db64a24 Find DC reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1399
diff changeset
   155
900
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   156
    master->scan_busy = 0;
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   157
    master->allow_scan = 1;
1579
326d47aa986c applied komax patch to version r1822
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1507
diff changeset
   158
    sema_init(&master->scan_sem, 1);
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   159
    init_waitqueue_head(&master->scan_queue);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   160
900
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   161
    master->config_busy = 0;
1579
326d47aa986c applied komax patch to version r1822
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1507
diff changeset
   162
    sema_init(&master->config_sem, 1);
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   163
    init_waitqueue_head(&master->config_queue);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   164
    
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   165
    INIT_LIST_HEAD(&master->datagram_queue);
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   166
    master->datagram_index = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   167
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   168
    INIT_LIST_HEAD(&master->ext_datagram_queue);
1579
326d47aa986c applied komax patch to version r1822
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1507
diff changeset
   169
    sema_init(&master->ext_queue_sem, 1);
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   170
1597
491dea6f4fd7 Moved FOE request queue and fsm into slaves
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1596
diff changeset
   171
    INIT_LIST_HEAD(&master->external_datagram_queue);
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   172
    
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   173
    // send interval in IDLE phase
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   174
    ec_master_set_send_interval(master, 1000000 / HZ);
1583
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
   175
1399
f79d4bb5b23a Added debug_level module parameter. debug_level is now unsigned int.
Florian Pose <fp@igh-essen.com>
parents: 1396
diff changeset
   176
    master->debug_level = debug_level;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   177
    master->stats.timeouts = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   178
    master->stats.corrupted = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   179
    master->stats.unmatched = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   180
    master->stats.output_jiffies = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   181
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   182
    master->thread = NULL;
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   183
1041
42c9ac58d9ce Removed state machine cycle time measuring.
Florian Pose <fp@igh-essen.com>
parents: 1040
diff changeset
   184
#ifdef EC_EOE
1489
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
   185
    master->eoe_thread = NULL;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   186
    INIT_LIST_HEAD(&master->eoe_handlers);
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   187
#endif
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   188
1579
326d47aa986c applied komax patch to version r1822
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1507
diff changeset
   189
    sema_init(&master->io_sem, 1);
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   190
    master->send_cb = NULL;
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   191
    master->receive_cb = NULL;
1513
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1507
diff changeset
   192
    master->cb_data = NULL;
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   193
    master->app_send_cb = NULL;
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   194
    master->app_receive_cb = NULL;
1513
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1507
diff changeset
   195
    master->app_cb_data = NULL;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   196
872
d4e0380d63b3 Renamed EEPROM to SII.
Florian Pose <fp@igh-essen.com>
parents: 861
diff changeset
   197
    INIT_LIST_HEAD(&master->sii_requests);
d4e0380d63b3 Renamed EEPROM to SII.
Florian Pose <fp@igh-essen.com>
parents: 861
diff changeset
   198
    init_waitqueue_head(&master->sii_queue);
601
d6d951b766e3 Introduced EEPROM write requests: EEPROM write operations from user
Florian Pose <fp@igh-essen.com>
parents: 597
diff changeset
   199
1388
3c886ec376f5 Renamed phy_ commands to reg_.
Florian Pose <fp@igh-essen.com>
parents: 1369
diff changeset
   200
    INIT_LIST_HEAD(&master->reg_requests);
3c886ec376f5 Renamed phy_ commands to reg_.
Florian Pose <fp@igh-essen.com>
parents: 1369
diff changeset
   201
    init_waitqueue_head(&master->reg_queue);
1200
ce1a65f06efc Added phy commands.
Florian Pose <fp@igh-essen.com>
parents: 1198
diff changeset
   202
579
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   203
    // init devices
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   204
    ret = ec_device_init(&master->main_device, master);
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   205
    if (ret < 0)
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   206
        goto out_return;
579
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   207
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   208
    ret = ec_device_init(&master->backup_device, master);
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   209
    if (ret < 0)
579
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   210
        goto out_clear_main;
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   211
528
f789bdd78b54 Layed out slave state machines in own files fsm_slave.[ch]; renamed fsm.[ch] to fsm_master.[ch]
Florian Pose <fp@igh-essen.com>
parents: 527
diff changeset
   212
    // init state machine datagram
f789bdd78b54 Layed out slave state machines in own files fsm_slave.[ch]; renamed fsm.[ch] to fsm_master.[ch]
Florian Pose <fp@igh-essen.com>
parents: 527
diff changeset
   213
    ec_datagram_init(&master->fsm_datagram);
719
03d5b96632fb Store skipped information in datagrams; name datagrams for statistics
Florian Pose <fp@igh-essen.com>
parents: 715
diff changeset
   214
    snprintf(master->fsm_datagram.name, EC_DATAGRAM_NAME_SIZE, "master-fsm");
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   215
    ret = ec_datagram_prealloc(&master->fsm_datagram, EC_MAX_DATA_SIZE);
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   216
    if (ret < 0) {
1394
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
   217
        ec_datagram_clear(&master->fsm_datagram);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   218
        EC_MASTER_ERR(master, "Failed to allocate FSM datagram.\n");
659
d7c5a958bad0 Removed unecessary clearing of EoE handlers in master init function;
Florian Pose <fp@igh-essen.com>
parents: 656
diff changeset
   219
        goto out_clear_backup;
528
f789bdd78b54 Layed out slave state machines in own files fsm_slave.[ch]; renamed fsm.[ch] to fsm_master.[ch]
Florian Pose <fp@igh-essen.com>
parents: 527
diff changeset
   220
    }
f789bdd78b54 Layed out slave state machines in own files fsm_slave.[ch]; renamed fsm.[ch] to fsm_master.[ch]
Florian Pose <fp@igh-essen.com>
parents: 527
diff changeset
   221
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   222
    // create state machine object
528
f789bdd78b54 Layed out slave state machines in own files fsm_slave.[ch]; renamed fsm.[ch] to fsm_master.[ch]
Florian Pose <fp@igh-essen.com>
parents: 527
diff changeset
   223
    ec_fsm_master_init(&master->fsm, master, &master->fsm_datagram);
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
   224
1396
9d04cc08f40f DC sync reference clock to application time. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1394
diff changeset
   225
    // init reference sync datagram
9d04cc08f40f DC sync reference clock to application time. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1394
diff changeset
   226
    ec_datagram_init(&master->ref_sync_datagram);
9d04cc08f40f DC sync reference clock to application time. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1394
diff changeset
   227
    snprintf(master->ref_sync_datagram.name, EC_DATAGRAM_NAME_SIZE, "refsync");
9d04cc08f40f DC sync reference clock to application time. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1394
diff changeset
   228
    ret = ec_datagram_apwr(&master->ref_sync_datagram, 0, 0x0910, 8);
9d04cc08f40f DC sync reference clock to application time. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1394
diff changeset
   229
    if (ret < 0) {
9d04cc08f40f DC sync reference clock to application time. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1394
diff changeset
   230
        ec_datagram_clear(&master->ref_sync_datagram);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   231
        EC_MASTER_ERR(master, "Failed to allocate reference"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   232
                " synchronisation datagram.\n");
1396
9d04cc08f40f DC sync reference clock to application time. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1394
diff changeset
   233
        goto out_clear_fsm;
9d04cc08f40f DC sync reference clock to application time. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1394
diff changeset
   234
    }
9d04cc08f40f DC sync reference clock to application time. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1394
diff changeset
   235
1394
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
   236
    // init sync datagram
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
   237
    ec_datagram_init(&master->sync_datagram);
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
   238
    snprintf(master->sync_datagram.name, EC_DATAGRAM_NAME_SIZE, "sync");
1408
91b35db64a24 Find DC reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1399
diff changeset
   239
    ret = ec_datagram_prealloc(&master->sync_datagram, 4);
1394
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
   240
    if (ret < 0) {
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
   241
        ec_datagram_clear(&master->sync_datagram);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   242
        EC_MASTER_ERR(master, "Failed to allocate"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   243
                " synchronisation datagram.\n");
1396
9d04cc08f40f DC sync reference clock to application time. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1394
diff changeset
   244
        goto out_clear_ref_sync;
1394
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
   245
    }
1535
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
   246
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
   247
    // init sync monitor datagram
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
   248
    ec_datagram_init(&master->sync_mon_datagram);
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
   249
    snprintf(master->sync_mon_datagram.name, EC_DATAGRAM_NAME_SIZE, "syncmon");
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
   250
    ret = ec_datagram_brd(&master->sync_mon_datagram, 0x092c, 4);
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
   251
    if (ret < 0) {
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
   252
        ec_datagram_clear(&master->sync_mon_datagram);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   253
        EC_MASTER_ERR(master, "Failed to allocate sync"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   254
                " monitoring datagram.\n");
1535
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
   255
        goto out_clear_sync;
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
   256
    }
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
   257
1507
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
   258
    ec_master_find_dc_ref_clock(master);
1394
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
   259
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   260
    // init character device
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   261
    ret = ec_cdev_init(&master->cdev, master, device_number);
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   262
    if (ret)
1535
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
   263
        goto out_clear_sync_mon;
1013
52256b75f975 Create class device with device_number information in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1010
diff changeset
   264
    
1369
61793d845ad6 Preparations to compile against 2.6.27.
Florian Pose <fp@igh-essen.com>
parents: 1363
diff changeset
   265
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)
61793d845ad6 Preparations to compile against 2.6.27.
Florian Pose <fp@igh-essen.com>
parents: 1363
diff changeset
   266
    master->class_device = device_create(class, NULL,
61793d845ad6 Preparations to compile against 2.6.27.
Florian Pose <fp@igh-essen.com>
parents: 1363
diff changeset
   267
            MKDEV(MAJOR(device_number), master->index), NULL,
61793d845ad6 Preparations to compile against 2.6.27.
Florian Pose <fp@igh-essen.com>
parents: 1363
diff changeset
   268
            "EtherCAT%u", master->index);
61793d845ad6 Preparations to compile against 2.6.27.
Florian Pose <fp@igh-essen.com>
parents: 1363
diff changeset
   269
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
1250
642048176899 Applied patch by Mario Witkowski to support the new class/device
Florian Pose <fp@igh-essen.com>
parents: 1245
diff changeset
   270
    master->class_device = device_create(class, NULL,
642048176899 Applied patch by Mario Witkowski to support the new class/device
Florian Pose <fp@igh-essen.com>
parents: 1245
diff changeset
   271
            MKDEV(MAJOR(device_number), master->index),
642048176899 Applied patch by Mario Witkowski to support the new class/device
Florian Pose <fp@igh-essen.com>
parents: 1245
diff changeset
   272
            "EtherCAT%u", master->index);
642048176899 Applied patch by Mario Witkowski to support the new class/device
Florian Pose <fp@igh-essen.com>
parents: 1245
diff changeset
   273
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 15)
642048176899 Applied patch by Mario Witkowski to support the new class/device
Florian Pose <fp@igh-essen.com>
parents: 1245
diff changeset
   274
    master->class_device = class_device_create(class, NULL,
1369
61793d845ad6 Preparations to compile against 2.6.27.
Florian Pose <fp@igh-essen.com>
parents: 1363
diff changeset
   275
            MKDEV(MAJOR(device_number), master->index), NULL,
61793d845ad6 Preparations to compile against 2.6.27.
Florian Pose <fp@igh-essen.com>
parents: 1363
diff changeset
   276
            "EtherCAT%u", master->index);
1015
24efac66a647 Added support for different versions of class_device_create().
Florian Pose <fp@igh-essen.com>
parents: 1013
diff changeset
   277
#else
1250
642048176899 Applied patch by Mario Witkowski to support the new class/device
Florian Pose <fp@igh-essen.com>
parents: 1245
diff changeset
   278
    master->class_device = class_device_create(class,
1369
61793d845ad6 Preparations to compile against 2.6.27.
Florian Pose <fp@igh-essen.com>
parents: 1363
diff changeset
   279
            MKDEV(MAJOR(device_number), master->index), NULL,
61793d845ad6 Preparations to compile against 2.6.27.
Florian Pose <fp@igh-essen.com>
parents: 1363
diff changeset
   280
            "EtherCAT%u", master->index);
1015
24efac66a647 Added support for different versions of class_device_create().
Florian Pose <fp@igh-essen.com>
parents: 1013
diff changeset
   281
#endif
1013
52256b75f975 Create class device with device_number information in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1010
diff changeset
   282
    if (IS_ERR(master->class_device)) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   283
        EC_MASTER_ERR(master, "Failed to create class device!\n");
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   284
        ret = PTR_ERR(master->class_device);
1013
52256b75f975 Create class device with device_number information in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1010
diff changeset
   285
        goto out_clear_cdev;
52256b75f975 Create class device with device_number information in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1010
diff changeset
   286
    }
144
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
   287
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   288
    return 0;
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
   289
1013
52256b75f975 Create class device with device_number information in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1010
diff changeset
   290
out_clear_cdev:
52256b75f975 Create class device with device_number information in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1010
diff changeset
   291
    ec_cdev_clear(&master->cdev);
1535
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
   292
out_clear_sync_mon:
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
   293
    ec_datagram_clear(&master->sync_mon_datagram);
1394
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
   294
out_clear_sync:
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
   295
    ec_datagram_clear(&master->sync_datagram);
1396
9d04cc08f40f DC sync reference clock to application time. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1394
diff changeset
   296
out_clear_ref_sync:
9d04cc08f40f DC sync reference clock to application time. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1394
diff changeset
   297
    ec_datagram_clear(&master->ref_sync_datagram);
659
d7c5a958bad0 Removed unecessary clearing of EoE handlers in master init function;
Florian Pose <fp@igh-essen.com>
parents: 656
diff changeset
   298
out_clear_fsm:
d7c5a958bad0 Removed unecessary clearing of EoE handlers in master init function;
Florian Pose <fp@igh-essen.com>
parents: 656
diff changeset
   299
    ec_fsm_master_clear(&master->fsm);
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   300
    ec_datagram_clear(&master->fsm_datagram);
659
d7c5a958bad0 Removed unecessary clearing of EoE handlers in master init function;
Florian Pose <fp@igh-essen.com>
parents: 656
diff changeset
   301
out_clear_backup:
579
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   302
    ec_device_clear(&master->backup_device);
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   303
out_clear_main:
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   304
    ec_device_clear(&master->main_device);
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   305
out_return:
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   306
    return ret;
0
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
}
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
39
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents: 35
diff changeset
   309
/*****************************************************************************/
0
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   311
/** Destructor.
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   312
*/
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   313
void ec_master_clear(
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   314
        ec_master_t *master /**< EtherCAT master */
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   315
        )
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   316
{
1250
642048176899 Applied patch by Mario Witkowski to support the new class/device
Florian Pose <fp@igh-essen.com>
parents: 1245
diff changeset
   317
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
642048176899 Applied patch by Mario Witkowski to support the new class/device
Florian Pose <fp@igh-essen.com>
parents: 1245
diff changeset
   318
    device_unregister(master->class_device);
642048176899 Applied patch by Mario Witkowski to support the new class/device
Florian Pose <fp@igh-essen.com>
parents: 1245
diff changeset
   319
#else
1013
52256b75f975 Create class device with device_number information in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1010
diff changeset
   320
    class_device_unregister(master->class_device);
1250
642048176899 Applied patch by Mario Witkowski to support the new class/device
Florian Pose <fp@igh-essen.com>
parents: 1245
diff changeset
   321
#endif
1394
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
   322
995
54149a703c47 Removed kobject from slave_config.
Florian Pose <fp@igh-essen.com>
parents: 994
diff changeset
   323
    ec_cdev_clear(&master->cdev);
1394
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
   324
    
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   325
#ifdef EC_EOE
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   326
    ec_master_clear_eoe_handlers(master);
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   327
#endif
994
e29edcced328 Clear domains before slave configs, because domain references the FMMU
Florian Pose <fp@igh-essen.com>
parents: 993
diff changeset
   328
    ec_master_clear_domains(master);
995
54149a703c47 Removed kobject from slave_config.
Florian Pose <fp@igh-essen.com>
parents: 994
diff changeset
   329
    ec_master_clear_slave_configs(master);
992
50a44cbd30af Removed kobjects from sdo and slave.
Florian Pose <fp@igh-essen.com>
parents: 990
diff changeset
   330
    ec_master_clear_slaves(master);
1394
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
   331
1535
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
   332
    ec_datagram_clear(&master->sync_mon_datagram);
1394
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
   333
    ec_datagram_clear(&master->sync_datagram);
1396
9d04cc08f40f DC sync reference clock to application time. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1394
diff changeset
   334
    ec_datagram_clear(&master->ref_sync_datagram);
528
f789bdd78b54 Layed out slave state machines in own files fsm_slave.[ch]; renamed fsm.[ch] to fsm_master.[ch]
Florian Pose <fp@igh-essen.com>
parents: 527
diff changeset
   335
    ec_fsm_master_clear(&master->fsm);
f789bdd78b54 Layed out slave state machines in own files fsm_slave.[ch]; renamed fsm.[ch] to fsm_master.[ch]
Florian Pose <fp@igh-essen.com>
parents: 527
diff changeset
   336
    ec_datagram_clear(&master->fsm_datagram);
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   337
    ec_device_clear(&master->backup_device);
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   338
    ec_device_clear(&master->main_device);
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   339
}
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   340
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   341
/*****************************************************************************/
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   342
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   343
#ifdef EC_EOE
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   344
/** Clear and free all EoE handlers.
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   345
 */
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   346
void ec_master_clear_eoe_handlers(
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   347
        ec_master_t *master /**< EtherCAT master */
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   348
        )
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   349
{
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   350
    ec_eoe_t *eoe, *next;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   351
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   352
    list_for_each_entry_safe(eoe, next, &master->eoe_handlers, list) {
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   353
        list_del(&eoe->list);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   354
        ec_eoe_clear(eoe);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   355
        kfree(eoe);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   356
    }
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   357
}
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   358
#endif
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   359
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   360
/*****************************************************************************/
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   361
995
54149a703c47 Removed kobject from slave_config.
Florian Pose <fp@igh-essen.com>
parents: 994
diff changeset
   362
/** Clear all slave configurations.
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   363
 */
995
54149a703c47 Removed kobject from slave_config.
Florian Pose <fp@igh-essen.com>
parents: 994
diff changeset
   364
void ec_master_clear_slave_configs(ec_master_t *master)
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   365
{
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   366
    ec_slave_config_t *sc, *next;
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   367
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   368
    list_for_each_entry_safe(sc, next, &master->configs, list) {
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   369
        list_del(&sc->list);
995
54149a703c47 Removed kobject from slave_config.
Florian Pose <fp@igh-essen.com>
parents: 994
diff changeset
   370
        ec_slave_config_clear(sc);
54149a703c47 Removed kobject from slave_config.
Florian Pose <fp@igh-essen.com>
parents: 994
diff changeset
   371
        kfree(sc);
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   372
    }
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   373
}
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   374
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   375
/*****************************************************************************/
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   376
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   377
/** Clear all slaves.
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   378
 */
992
50a44cbd30af Removed kobjects from sdo and slave.
Florian Pose <fp@igh-essen.com>
parents: 990
diff changeset
   379
void ec_master_clear_slaves(ec_master_t *master)
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents: 236
diff changeset
   380
{
1000
5746fdd1ca2e Store slaves in an array instead of a list.
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   381
    ec_slave_t *slave;
5746fdd1ca2e Store slaves in an array instead of a list.
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   382
1425
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
   383
    master->dc_ref_clock = NULL;
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
   384
1538
cf2fa3be6add Fixed clearing slaves: Also clear external requests before. Thanks to Martin
Florian Pose <fp@igh-essen.com>
parents: 1535
diff changeset
   385
    // external requests are obsolete, so we wake pending waiters and remove
cf2fa3be6add Fixed clearing slaves: Also clear external requests before. Thanks to Martin
Florian Pose <fp@igh-essen.com>
parents: 1535
diff changeset
   386
    // them from the list
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   387
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   388
    while (!list_empty(&master->sii_requests)) {
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   389
        ec_sii_write_request_t *request =
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   390
            list_entry(master->sii_requests.next,
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   391
                    ec_sii_write_request_t, list);
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   392
        list_del_init(&request->list); // dequeue
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   393
        EC_MASTER_WARN(master, "Discarding SII request, slave %u about"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   394
                " to be deleted.\n", request->slave->ring_position);
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   395
        request->state = EC_INT_REQUEST_FAILURE;
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   396
        wake_up(&master->sii_queue);
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   397
    }
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   398
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   399
    while (!list_empty(&master->reg_requests)) {
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   400
        ec_reg_request_t *request =
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   401
            list_entry(master->reg_requests.next, ec_reg_request_t, list);
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   402
        list_del_init(&request->list); // dequeue
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   403
        EC_MASTER_WARN(master, "Discarding register request, slave %u"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   404
                " about to be deleted.\n", request->slave->ring_position);
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   405
        request->state = EC_INT_REQUEST_FAILURE;
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   406
        wake_up(&master->reg_queue);
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   407
    }
1538
cf2fa3be6add Fixed clearing slaves: Also clear external requests before. Thanks to Martin
Florian Pose <fp@igh-essen.com>
parents: 1535
diff changeset
   408
1000
5746fdd1ca2e Store slaves in an array instead of a list.
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   409
    for (slave = master->slaves;
5746fdd1ca2e Store slaves in an array instead of a list.
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   410
            slave < master->slaves + master->slave_count;
5746fdd1ca2e Store slaves in an array instead of a list.
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   411
            slave++) {
992
50a44cbd30af Removed kobjects from sdo and slave.
Florian Pose <fp@igh-essen.com>
parents: 990
diff changeset
   412
        ec_slave_clear(slave);
1004
990b89d8ad03 Fixed duplicate kfree() bug.
Florian Pose <fp@igh-essen.com>
parents: 1000
diff changeset
   413
    }
990b89d8ad03 Fixed duplicate kfree() bug.
Florian Pose <fp@igh-essen.com>
parents: 1000
diff changeset
   414
990b89d8ad03 Fixed duplicate kfree() bug.
Florian Pose <fp@igh-essen.com>
parents: 1000
diff changeset
   415
    if (master->slaves) {
1000
5746fdd1ca2e Store slaves in an array instead of a list.
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   416
        kfree(master->slaves);
5746fdd1ca2e Store slaves in an array instead of a list.
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   417
        master->slaves = NULL;
1004
990b89d8ad03 Fixed duplicate kfree() bug.
Florian Pose <fp@igh-essen.com>
parents: 1000
diff changeset
   418
    }
990b89d8ad03 Fixed duplicate kfree() bug.
Florian Pose <fp@igh-essen.com>
parents: 1000
diff changeset
   419
990b89d8ad03 Fixed duplicate kfree() bug.
Florian Pose <fp@igh-essen.com>
parents: 1000
diff changeset
   420
    master->slave_count = 0;
74
9bf603942791 Neues Slave-Interface, CRC-Pr?fung und mehrfaches Scannen nun ungef?hrlich.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
   421
}
9bf603942791 Neues Slave-Interface, CRC-Pr?fung und mehrfaches Scannen nun ungef?hrlich.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
   422
9bf603942791 Neues Slave-Interface, CRC-Pr?fung und mehrfaches Scannen nun ungef?hrlich.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
   423
/*****************************************************************************/
9bf603942791 Neues Slave-Interface, CRC-Pr?fung und mehrfaches Scannen nun ungef?hrlich.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
   424
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   425
/** Clear all domains.
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   426
 */
993
8c32564252fd Removed kobject from domain.
Florian Pose <fp@igh-essen.com>
parents: 992
diff changeset
   427
void ec_master_clear_domains(ec_master_t *master)
448
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   428
{
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   429
    ec_domain_t *domain, *next;
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   430
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   431
    list_for_each_entry_safe(domain, next, &master->domains, list) {
448
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   432
        list_del(&domain->list);
993
8c32564252fd Removed kobject from domain.
Florian Pose <fp@igh-essen.com>
parents: 992
diff changeset
   433
        ec_domain_clear(domain);
8c32564252fd Removed kobject from domain.
Florian Pose <fp@igh-essen.com>
parents: 992
diff changeset
   434
        kfree(domain);
448
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   435
    }
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   436
}
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   437
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   438
/*****************************************************************************/
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   439
1939
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
   440
/** Clear the configuration applied by the application.
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
   441
 */
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
   442
void ec_master_clear_config(
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
   443
        ec_master_t *master /**< EtherCAT master. */
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
   444
        )
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
   445
{
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
   446
    down(&master->master_sem);
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
   447
    ec_master_clear_domains(master);
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
   448
    ec_master_clear_slave_configs(master);
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
   449
    up(&master->master_sem);
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
   450
}
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
   451
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
   452
/*****************************************************************************/
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
   453
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   454
/** Internal sending callback.
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   455
 */
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   456
void ec_master_internal_send_cb(
1513
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1507
diff changeset
   457
        void *cb_data /**< Callback data. */
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1507
diff changeset
   458
        )
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1507
diff changeset
   459
{
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1507
diff changeset
   460
    ec_master_t *master = (ec_master_t *) cb_data;
1489
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
   461
    down(&master->io_sem);
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   462
    ecrt_master_send_ext(master);
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   463
    up(&master->io_sem);
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   464
}
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   465
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   466
/*****************************************************************************/
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   467
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   468
/** Internal receiving callback.
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   469
 */
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   470
void ec_master_internal_receive_cb(
1513
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1507
diff changeset
   471
        void *cb_data /**< Callback data. */
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1507
diff changeset
   472
        )
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1507
diff changeset
   473
{
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1507
diff changeset
   474
    ec_master_t *master = (ec_master_t *) cb_data;
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   475
    down(&master->io_sem);
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   476
    ecrt_master_receive(master);
1489
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
   477
    up(&master->io_sem);
515
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   478
}
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   479
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   480
/*****************************************************************************/
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   481
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   482
/** Starts the master thread.
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   483
 *
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   484
 * \retval  0 Success.
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   485
 * \retval <0 Error code.
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   486
 */
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   487
int ec_master_thread_start(
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   488
        ec_master_t *master, /**< EtherCAT master */
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   489
        int (*thread_func)(void *), /**< thread function to start */
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   490
        const char *name /**< Thread name. */
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   491
        )
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   492
{
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   493
    EC_MASTER_INFO(master, "Starting %s thread.\n", name);
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   494
    master->thread = kthread_run(thread_func, master, name);
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   495
    if (IS_ERR(master->thread)) {
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   496
        int err = (int) PTR_ERR(master->thread);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   497
        EC_MASTER_ERR(master, "Failed to start master thread (error %i)!\n",
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   498
                err);
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   499
        master->thread = NULL;
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   500
        return err;
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   501
    }
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   502
    
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   503
    return 0;
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   504
}
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   505
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   506
/*****************************************************************************/
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   507
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   508
/** Stops the master thread.
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   509
 */
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   510
void ec_master_thread_stop(
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   511
        ec_master_t *master /**< EtherCAT master */
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   512
        )
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   513
{
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   514
    unsigned long sleep_jiffies;
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   515
    
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   516
    if (!master->thread) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   517
        EC_MASTER_WARN(master, "%s(): Already finished!\n", __func__);
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   518
        return;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   519
    }
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   520
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   521
    EC_MASTER_DBG(master, 1, "Stopping master thread.\n");
1006
90db4c3de57b Added a few debugging messages.
Florian Pose <fp@igh-essen.com>
parents: 1004
diff changeset
   522
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   523
    kthread_stop(master->thread);
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   524
    master->thread = NULL;
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   525
    EC_MASTER_INFO(master, "Master thread exited.\n");
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   526
1198
be606e9caba4 Fixed race concerning thread signaling when master thread had no
Florian Pose <fp@igh-essen.com>
parents: 1197
diff changeset
   527
    if (master->fsm_datagram.state != EC_DATAGRAM_SENT)
be606e9caba4 Fixed race concerning thread signaling when master thread had no
Florian Pose <fp@igh-essen.com>
parents: 1197
diff changeset
   528
        return;
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   529
    
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   530
    // wait for FSM datagram
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   531
    sleep_jiffies = max(HZ / 100, 1); // 10 ms, at least 1 jiffy
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   532
    schedule_timeout(sleep_jiffies);
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   533
}
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   534
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   535
/*****************************************************************************/
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   536
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   537
/** Transition function from ORPHANED to IDLE phase.
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   538
 */
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   539
int ec_master_enter_idle_phase(
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   540
        ec_master_t *master /**< EtherCAT master */
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   541
        )
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   542
{
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   543
    int ret;
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   544
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   545
    EC_MASTER_DBG(master, 1, "ORPHANED -> IDLE.\n");
1075
94c6e36e0f8d Implemented master semaphore to secure concurrent access from ioctls, state machine and realtime interface.
Florian Pose <fp@igh-essen.com>
parents: 1055
diff changeset
   546
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   547
    master->send_cb = ec_master_internal_send_cb;
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   548
    master->receive_cb = ec_master_internal_receive_cb;
1513
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1507
diff changeset
   549
    master->cb_data = master;
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   550
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   551
    master->phase = EC_IDLE;
2169
1a128e86d4f6 Improved resetting number of responding slaves.
Florian Pose <fp@igh-essen.com>
parents: 2168
diff changeset
   552
1a128e86d4f6 Improved resetting number of responding slaves.
Florian Pose <fp@igh-essen.com>
parents: 2168
diff changeset
   553
    // reset number of responding slaves to trigger scanning
1a128e86d4f6 Improved resetting number of responding slaves.
Florian Pose <fp@igh-essen.com>
parents: 2168
diff changeset
   554
    master->fsm.slaves_responding = 0;
1a128e86d4f6 Improved resetting number of responding slaves.
Florian Pose <fp@igh-essen.com>
parents: 2168
diff changeset
   555
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   556
    ret = ec_master_thread_start(master, ec_master_idle_thread,
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   557
            "EtherCAT-IDLE");
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   558
    if (ret)
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   559
        master->phase = EC_ORPHANED;
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   560
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   561
    return ret;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   562
}
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   563
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   564
/*****************************************************************************/
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   565
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   566
/** Transition function from IDLE to ORPHANED phase.
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   567
 */
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   568
void ec_master_leave_idle_phase(ec_master_t *master /**< EtherCAT master */)
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   569
{
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   570
    EC_MASTER_DBG(master, 1, "IDLE -> ORPHANED.\n");
1006
90db4c3de57b Added a few debugging messages.
Florian Pose <fp@igh-essen.com>
parents: 1004
diff changeset
   571
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   572
    master->phase = EC_ORPHANED;
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   573
    
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   574
#ifdef EC_EOE
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   575
    ec_master_eoe_stop(master);
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   576
#endif
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   577
    ec_master_thread_stop(master);
1075
94c6e36e0f8d Implemented master semaphore to secure concurrent access from ioctls, state machine and realtime interface.
Florian Pose <fp@igh-essen.com>
parents: 1055
diff changeset
   578
94c6e36e0f8d Implemented master semaphore to secure concurrent access from ioctls, state machine and realtime interface.
Florian Pose <fp@igh-essen.com>
parents: 1055
diff changeset
   579
    down(&master->master_sem);
992
50a44cbd30af Removed kobjects from sdo and slave.
Florian Pose <fp@igh-essen.com>
parents: 990
diff changeset
   580
    ec_master_clear_slaves(master);
1075
94c6e36e0f8d Implemented master semaphore to secure concurrent access from ioctls, state machine and realtime interface.
Florian Pose <fp@igh-essen.com>
parents: 1055
diff changeset
   581
    up(&master->master_sem);
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   582
}
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   583
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   584
/*****************************************************************************/
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   585
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   586
/** Transition function from IDLE to OPERATION phase.
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   587
 */
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   588
int ec_master_enter_operation_phase(ec_master_t *master /**< EtherCAT master */)
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   589
{
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   590
    int ret = 0;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   591
    ec_slave_t *slave;
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   592
#ifdef EC_EOE
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   593
    ec_eoe_t *eoe;
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   594
#endif
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   595
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   596
    EC_MASTER_DBG(master, 1, "IDLE -> OPERATION.\n");
1006
90db4c3de57b Added a few debugging messages.
Florian Pose <fp@igh-essen.com>
parents: 1004
diff changeset
   597
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   598
    down(&master->config_sem);
900
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   599
    if (master->config_busy) {
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   600
        up(&master->config_sem);
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   601
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   602
        // wait for slave configuration to complete
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   603
        ret = wait_event_interruptible(master->config_queue,
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   604
                    !master->config_busy);
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   605
        if (ret) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   606
            EC_MASTER_INFO(master, "Finishing slave configuration"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   607
                    " interrupted by signal.\n");
900
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   608
            goto out_allow;
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   609
        }
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   610
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   611
        EC_MASTER_DBG(master, 1, "Waiting for pending slave"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   612
                " configuration returned.\n");
900
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   613
    } else {
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   614
        up(&master->config_sem);
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   615
    }
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   616
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   617
    down(&master->scan_sem);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   618
    master->allow_scan = 0; // 'lock' the slave list
900
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   619
    if (!master->scan_busy) {
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   620
        up(&master->scan_sem);
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   621
    } else {
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   622
        up(&master->scan_sem);
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   623
794
684dea874956 Allow bus configuration when link is down.
Florian Pose <fp@igh-essen.com>
parents: 792
diff changeset
   624
        // wait for slave scan to complete
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   625
        ret = wait_event_interruptible(master->scan_queue, !master->scan_busy);
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   626
        if (ret) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   627
            EC_MASTER_INFO(master, "Waiting for slave scan"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   628
                    " interrupted by signal.\n");
794
684dea874956 Allow bus configuration when link is down.
Florian Pose <fp@igh-essen.com>
parents: 792
diff changeset
   629
            goto out_allow;
684dea874956 Allow bus configuration when link is down.
Florian Pose <fp@igh-essen.com>
parents: 792
diff changeset
   630
        }
900
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   631
        
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   632
        EC_MASTER_DBG(master, 1, "Waiting for pending"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   633
                " slave scan returned.\n");
900
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   634
    }
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   635
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   636
    // set states for all slaves
1000
5746fdd1ca2e Store slaves in an array instead of a list.
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   637
    for (slave = master->slaves;
5746fdd1ca2e Store slaves in an array instead of a list.
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   638
            slave < master->slaves + master->slave_count;
5746fdd1ca2e Store slaves in an array instead of a list.
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   639
            slave++) {
643
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
   640
        ec_slave_request_state(slave, EC_SLAVE_STATE_PREOP);
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   641
    }
1451
78fbafbf08ba Always set DC reference clock to OP.
Florian Pose <fp@igh-essen.com>
parents: 1436
diff changeset
   642
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   643
#ifdef EC_EOE
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   644
    // ... but set EoE slaves to OP
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   645
    list_for_each_entry(eoe, &master->eoe_handlers, list) {
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   646
        if (ec_eoe_is_open(eoe))
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   647
            ec_slave_request_state(eoe->slave, EC_SLAVE_STATE_OP);
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   648
    }
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   649
#endif
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   650
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   651
    master->phase = EC_OPERATION;
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   652
    master->app_send_cb = NULL;
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   653
    master->app_receive_cb = NULL;
1513
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1507
diff changeset
   654
    master->app_cb_data = NULL;
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   655
    return ret;
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   656
    
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   657
out_allow:
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   658
    master->allow_scan = 1;
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   659
    return ret;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   660
}
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   661
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   662
/*****************************************************************************/
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   663
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   664
/** Transition function from OPERATION to IDLE phase.
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   665
 */
1530
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
   666
void ec_master_leave_operation_phase(
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
   667
        ec_master_t *master /**< EtherCAT master */
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
   668
        )
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
   669
{
1939
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
   670
    if (master->active) {
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
   671
        ecrt_master_deactivate(master); // also clears config
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
   672
    } else {
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
   673
        ec_master_clear_config(master);
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
   674
    }
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   675
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   676
    EC_MASTER_DBG(master, 1, "OPERATION -> IDLE.\n");
1006
90db4c3de57b Added a few debugging messages.
Florian Pose <fp@igh-essen.com>
parents: 1004
diff changeset
   677
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   678
    master->phase = EC_IDLE;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   679
}
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   680
1583
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
   681
/*****************************************************************************/
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
   682
1774
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   683
/** Injects external datagrams that fit into the datagram queue.
1597
491dea6f4fd7 Moved FOE request queue and fsm into slaves
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1596
diff changeset
   684
 */
491dea6f4fd7 Moved FOE request queue and fsm into slaves
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1596
diff changeset
   685
void ec_master_inject_external_datagrams(
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   686
        ec_master_t *master /**< EtherCAT master */
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   687
        )
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   688
{
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   689
    ec_datagram_t *datagram, *n;
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   690
    size_t queue_size = 0;
1774
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   691
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   692
    list_for_each_entry(datagram, &master->datagram_queue, queue) {
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   693
        queue_size += datagram->data_size;
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   694
    }
1774
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   695
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   696
    list_for_each_entry_safe(datagram, n, &master->external_datagram_queue,
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   697
            queue) {
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   698
        queue_size += datagram->data_size;
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   699
        if (queue_size <= master->max_queue_size) {
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   700
            list_del_init(&datagram->queue);
1597
491dea6f4fd7 Moved FOE request queue and fsm into slaves
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1596
diff changeset
   701
#if DEBUG_INJECT
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   702
            EC_MASTER_DBG(master, 0, "Injecting external datagram %08x"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   703
                    " size=%u, queue_size=%u\n", (unsigned int) datagram,
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   704
                    datagram->data_size, queue_size);
1597
491dea6f4fd7 Moved FOE request queue and fsm into slaves
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1596
diff changeset
   705
#endif
1585
1f640e321ee4 ecrt_master_set_max_cycle_size: limit SDO traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1583
diff changeset
   706
#ifdef EC_HAVE_CYCLES
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   707
            datagram->cycles_sent = 0;
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   708
#endif
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   709
            datagram->jiffies_sent = 0;
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   710
            ec_master_queue_datagram(master, datagram);
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   711
        }
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   712
        else {
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   713
            if (datagram->data_size > master->max_queue_size) {
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   714
                list_del_init(&datagram->queue);
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   715
                datagram->state = EC_DATAGRAM_ERROR;
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   716
                EC_MASTER_ERR(master, "External datagram %p is too large,"
1930
59a50053ccc6 Made send_interval variable an unsigned int; fixed format specifiers for
Florian Pose <fp@igh-essen.com>
parents: 1925
diff changeset
   717
                        " size=%zu, max_queue_size=%zu\n",
1774
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   718
                        datagram, datagram->data_size,
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   719
                        master->max_queue_size);
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   720
            } else {
1585
1f640e321ee4 ecrt_master_set_max_cycle_size: limit SDO traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1583
diff changeset
   721
#ifdef EC_HAVE_CYCLES
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   722
                cycles_t cycles_now = get_cycles();
1774
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   723
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   724
                if (cycles_now - datagram->cycles_sent
1906
96805a6eae3d Renamed sdo_injecton_timeout to ext_injection_timeout.
Florian Pose <fp@igh-essen.com>
parents: 1873
diff changeset
   725
                        > ext_injection_timeout_cycles)
1585
1f640e321ee4 ecrt_master_set_max_cycle_size: limit SDO traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1583
diff changeset
   726
#else
1774
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   727
                if (jiffies - datagram->jiffies_sent
1906
96805a6eae3d Renamed sdo_injecton_timeout to ext_injection_timeout.
Florian Pose <fp@igh-essen.com>
parents: 1873
diff changeset
   728
                        > ext_injection_timeout_jiffies)
1774
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   729
#endif
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   730
                {
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   731
                    unsigned int time_us;
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   732
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   733
                    list_del_init(&datagram->queue);
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   734
                    datagram->state = EC_DATAGRAM_ERROR;
1585
1f640e321ee4 ecrt_master_set_max_cycle_size: limit SDO traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1583
diff changeset
   735
#ifdef EC_HAVE_CYCLES
1774
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   736
                    time_us = (unsigned int)
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   737
                        ((cycles_now - datagram->cycles_sent) * 1000LL)
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   738
                        / cpu_khz;
1585
1f640e321ee4 ecrt_master_set_max_cycle_size: limit SDO traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1583
diff changeset
   739
#else
1774
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   740
                    time_us = (unsigned int)
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   741
                        ((jiffies - datagram->jiffies_sent) * 1000000 / HZ);
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   742
#endif
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   743
                    EC_MASTER_ERR(master, "Timeout %u us: Injecting"
1930
59a50053ccc6 Made send_interval variable an unsigned int; fixed format specifiers for
Florian Pose <fp@igh-essen.com>
parents: 1925
diff changeset
   744
                            " external datagram %p size=%zu,"
59a50053ccc6 Made send_interval variable an unsigned int; fixed format specifiers for
Florian Pose <fp@igh-essen.com>
parents: 1925
diff changeset
   745
                            " max_queue_size=%zu\n", time_us, datagram,
1774
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   746
                            datagram->data_size, master->max_queue_size);
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   747
                }
1597
491dea6f4fd7 Moved FOE request queue and fsm into slaves
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1596
diff changeset
   748
#if DEBUG_INJECT
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   749
                else {
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   750
                    EC_MASTER_DBG(master, 0, "Deferred injecting"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   751
                            " of external datagram %p"
1774
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   752
                            " size=%u, queue_size=%u\n",
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   753
                            datagram, datagram->data_size, queue_size);
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   754
                }
1774
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   755
#endif
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   756
            }
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   757
        }
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
   758
    }
1774
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   759
}
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   760
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   761
/*****************************************************************************/
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   762
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   763
/** Sets the expected interval between calls to ecrt_master_send
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   764
 * and calculates the maximum amount of data to queue.
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   765
 */
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   766
void ec_master_set_send_interval(
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   767
        ec_master_t *master, /**< EtherCAT master */
1930
59a50053ccc6 Made send_interval variable an unsigned int; fixed format specifiers for
Florian Pose <fp@igh-essen.com>
parents: 1925
diff changeset
   768
        unsigned int send_interval /**< Send interval */
1774
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   769
        )
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   770
{
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   771
    master->send_interval = send_interval;
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   772
    master->max_queue_size =
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   773
        (send_interval * 1000) / EC_BYTE_TRANSMISSION_TIME_NS;
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   774
    master->max_queue_size -= master->max_queue_size / 10;
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   775
}
1583
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
   776
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
   777
/*****************************************************************************/
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
   778
1597
491dea6f4fd7 Moved FOE request queue and fsm into slaves
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1596
diff changeset
   779
/** Places an external datagram in the sdo datagram queue.
491dea6f4fd7 Moved FOE request queue and fsm into slaves
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1596
diff changeset
   780
 */
491dea6f4fd7 Moved FOE request queue and fsm into slaves
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1596
diff changeset
   781
void ec_master_queue_external_datagram(
1583
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
   782
        ec_master_t *master, /**< EtherCAT master */
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
   783
        ec_datagram_t *datagram /**< datagram */
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
   784
        )
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
   785
{
1804
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
   786
    ec_datagram_t *queued_datagram;
1600
e36c92cf58a9 use given send interval to limit SDO/FOE traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1597
diff changeset
   787
e36c92cf58a9 use given send interval to limit SDO/FOE traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1597
diff changeset
   788
    down(&master->io_sem);
1774
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   789
1804
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
   790
    // check, if the datagram is already queued
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
   791
    list_for_each_entry(queued_datagram, &master->external_datagram_queue,
1774
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   792
            queue) {
1804
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
   793
        if (queued_datagram == datagram) {
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
   794
            datagram->state = EC_DATAGRAM_QUEUED;
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
   795
            return;
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
   796
        }
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
   797
    }
1774
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
   798
1597
491dea6f4fd7 Moved FOE request queue and fsm into slaves
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1596
diff changeset
   799
#if DEBUG_INJECT
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   800
    EC_MASTER_DBG(master, 0, "Requesting external datagram %p size=%u\n",
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   801
            datagram, datagram->data_size);
1804
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
   802
#endif
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
   803
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
   804
    list_add_tail(&datagram->queue, &master->external_datagram_queue);
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
   805
    datagram->state = EC_DATAGRAM_QUEUED;
1585
1f640e321ee4 ecrt_master_set_max_cycle_size: limit SDO traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1583
diff changeset
   806
#ifdef EC_HAVE_CYCLES
1804
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
   807
    datagram->cycles_sent = get_cycles();
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
   808
#endif
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
   809
    datagram->jiffies_sent = jiffies;
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
   810
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
   811
    master->fsm.idle = 0;
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
   812
    up(&master->io_sem);
1583
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
   813
}
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
   814
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   815
/*****************************************************************************/
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   816
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   817
/** Places a datagram in the datagram queue.
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   818
 */
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   819
void ec_master_queue_datagram(
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   820
        ec_master_t *master, /**< EtherCAT master */
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   821
        ec_datagram_t *datagram /**< datagram */
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   822
        )
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   823
{
2085
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   824
    ec_datagram_t *queued_datagram;
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   825
2082
775d1a02f204 Improved ecrt_master_queue_datagram(); detect skipped datagrams also when
Florian Pose <fp@igh-essen.com>
parents: 2009
diff changeset
   826
    switch (datagram->state) {
775d1a02f204 Improved ecrt_master_queue_datagram(); detect skipped datagrams also when
Florian Pose <fp@igh-essen.com>
parents: 2009
diff changeset
   827
        case EC_DATAGRAM_QUEUED:
719
03d5b96632fb Store skipped information in datagrams; name datagrams for statistics
Florian Pose <fp@igh-essen.com>
parents: 715
diff changeset
   828
            datagram->skip_count++;
2082
775d1a02f204 Improved ecrt_master_queue_datagram(); detect skipped datagrams also when
Florian Pose <fp@igh-essen.com>
parents: 2009
diff changeset
   829
            EC_MASTER_DBG(master, 1, "Skipping already queued datagram %p.\n",
775d1a02f204 Improved ecrt_master_queue_datagram(); detect skipped datagrams also when
Florian Pose <fp@igh-essen.com>
parents: 2009
diff changeset
   830
                    datagram);
775d1a02f204 Improved ecrt_master_queue_datagram(); detect skipped datagrams also when
Florian Pose <fp@igh-essen.com>
parents: 2009
diff changeset
   831
            break;
775d1a02f204 Improved ecrt_master_queue_datagram(); detect skipped datagrams also when
Florian Pose <fp@igh-essen.com>
parents: 2009
diff changeset
   832
775d1a02f204 Improved ecrt_master_queue_datagram(); detect skipped datagrams also when
Florian Pose <fp@igh-essen.com>
parents: 2009
diff changeset
   833
        case EC_DATAGRAM_SENT:
775d1a02f204 Improved ecrt_master_queue_datagram(); detect skipped datagrams also when
Florian Pose <fp@igh-essen.com>
parents: 2009
diff changeset
   834
            datagram->skip_count++;
775d1a02f204 Improved ecrt_master_queue_datagram(); detect skipped datagrams also when
Florian Pose <fp@igh-essen.com>
parents: 2009
diff changeset
   835
            EC_MASTER_DBG(master, 1, "Skipping already sent datagram %p.\n",
775d1a02f204 Improved ecrt_master_queue_datagram(); detect skipped datagrams also when
Florian Pose <fp@igh-essen.com>
parents: 2009
diff changeset
   836
                    datagram);
775d1a02f204 Improved ecrt_master_queue_datagram(); detect skipped datagrams also when
Florian Pose <fp@igh-essen.com>
parents: 2009
diff changeset
   837
            break;
775d1a02f204 Improved ecrt_master_queue_datagram(); detect skipped datagrams also when
Florian Pose <fp@igh-essen.com>
parents: 2009
diff changeset
   838
775d1a02f204 Improved ecrt_master_queue_datagram(); detect skipped datagrams also when
Florian Pose <fp@igh-essen.com>
parents: 2009
diff changeset
   839
        default:
2085
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   840
            break;
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   841
    }
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   842
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   843
    /* It is possible, that a datagram in the queue is re-initialized with the
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   844
     * ec_datagram_<type>() methods and then shall be queued with this method.
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   845
     * In that case, the state is already reset to EC_DATAGRAM_INIT. Check if
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   846
     * the datagram is queued to avoid duplicate queuing (which results in an
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   847
     * infinite loop!). Set the state to EC_DATAGRAM_QUEUED again, probably
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   848
     * causing an unmatched datagram. */
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   849
    list_for_each_entry(queued_datagram, &master->datagram_queue, queue) {
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   850
        if (queued_datagram == datagram) {
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   851
            datagram->skip_count++;
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   852
            EC_MASTER_DBG(master, 1, "Skipping re-initialized datagram %p.\n",
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   853
                    datagram);
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   854
            datagram->state = EC_DATAGRAM_QUEUED;
2085
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   855
            return;
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   856
        }
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   857
    }
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   858
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   859
    list_add_tail(&datagram->queue, &master->datagram_queue);
23ffec5c9c5b Fixed bug in ec_master_queue_datagram() introduced in c9d32805d984.
Florian Pose <fp@igh-essen.com>
parents: 2082
diff changeset
   860
    datagram->state = EC_DATAGRAM_QUEUED;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   861
}
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   862
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   863
/*****************************************************************************/
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   864
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   865
/** Places a datagram in the non-application datagram queue.
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   866
 */
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   867
void ec_master_queue_datagram_ext(
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   868
        ec_master_t *master, /**< EtherCAT master */
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   869
        ec_datagram_t *datagram /**< datagram */
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   870
        )
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   871
{
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   872
    down(&master->ext_queue_sem);
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   873
    list_add_tail(&datagram->queue, &master->ext_datagram_queue);
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   874
    up(&master->ext_queue_sem);
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   875
}
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   876
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   877
/*****************************************************************************/
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
   878
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   879
/** Sends the datagrams in the queue.
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   880
 *
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   881
 */
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   882
void ec_master_send_datagrams(ec_master_t *master /**< EtherCAT master */)
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   883
{
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   884
    ec_datagram_t *datagram, *next;
1804
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
   885
    size_t datagram_size;
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   886
    uint8_t *frame_data, *cur_data;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   887
    void *follows_word;
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   888
#ifdef EC_HAVE_CYCLES
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   889
    cycles_t cycles_start, cycles_sent, cycles_end;
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   890
#endif
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   891
    unsigned long jiffies_sent;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   892
    unsigned int frame_count, more_datagrams_waiting;
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   893
    struct list_head sent_datagrams;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   894
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   895
#ifdef EC_HAVE_CYCLES
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   896
    cycles_start = get_cycles();
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   897
#endif
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   898
    frame_count = 0;
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   899
    INIT_LIST_HEAD(&sent_datagrams);
208
b7797f8a813d command timeout, EoE processing with kernel timer.
Florian Pose <fp@igh-essen.com>
parents: 206
diff changeset
   900
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   901
    EC_MASTER_DBG(master, 2, "ec_master_send_datagrams\n");
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   902
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   903
    do {
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   904
        // fetch pointer to transmit socket buffer
579
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   905
        frame_data = ec_device_tx_data(&master->main_device);
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   906
        cur_data = frame_data + EC_FRAME_HEADER_SIZE;
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   907
        follows_word = NULL;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   908
        more_datagrams_waiting = 0;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   909
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   910
        // fill current frame with datagrams
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   911
        list_for_each_entry(datagram, &master->datagram_queue, queue) {
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   912
            if (datagram->state != EC_DATAGRAM_QUEUED) continue;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   913
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   914
            // does the current datagram fit in the frame?
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   915
            datagram_size = EC_DATAGRAM_HEADER_SIZE + datagram->data_size
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   916
                + EC_DATAGRAM_FOOTER_SIZE;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   917
            if (cur_data - frame_data + datagram_size > ETH_DATA_LEN) {
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   918
                more_datagrams_waiting = 1;
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   919
                break;
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   920
            }
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   921
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   922
            list_add_tail(&datagram->sent, &sent_datagrams);
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   923
            datagram->index = master->datagram_index++;
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   924
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   925
            EC_MASTER_DBG(master, 2, "adding datagram 0x%02X\n",
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   926
                    datagram->index);
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   927
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   928
            // set "datagram following" flag in previous frame
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   929
            if (follows_word)
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   930
                EC_WRITE_U16(follows_word, EC_READ_U16(follows_word) | 0x8000);
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   931
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   932
            // EtherCAT datagram header
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   933
            EC_WRITE_U8 (cur_data,     datagram->type);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   934
            EC_WRITE_U8 (cur_data + 1, datagram->index);
708
90bdb315f560 Fixed EtherCAT addressing problem on big-endian systems. The slaves
Florian Pose <fp@igh-essen.com>
parents: 697
diff changeset
   935
            memcpy(cur_data + 2, datagram->address, EC_ADDR_LEN);
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   936
            EC_WRITE_U16(cur_data + 6, datagram->data_size & 0x7FF);
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   937
            EC_WRITE_U16(cur_data + 8, 0x0000);
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   938
            follows_word = cur_data + 6;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   939
            cur_data += EC_DATAGRAM_HEADER_SIZE;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   940
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   941
            // EtherCAT datagram data
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   942
            memcpy(cur_data, datagram->data, datagram->data_size);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   943
            cur_data += datagram->data_size;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   944
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   945
            // EtherCAT datagram footer
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   946
            EC_WRITE_U16(cur_data, 0x0000); // reset working counter
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   947
            cur_data += EC_DATAGRAM_FOOTER_SIZE;
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   948
        }
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   949
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   950
        if (list_empty(&sent_datagrams)) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   951
            EC_MASTER_DBG(master, 2, "nothing to send.\n");
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   952
            break;
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   953
        }
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   954
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   955
        // EtherCAT frame header
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   956
        EC_WRITE_U16(frame_data, ((cur_data - frame_data
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   957
                                   - EC_FRAME_HEADER_SIZE) & 0x7FF) | 0x1000);
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   958
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   959
        // pad frame
211
c684b6b7adaf Using kernel Ethernet constants.
Florian Pose <fp@igh-essen.com>
parents: 208
diff changeset
   960
        while (cur_data - frame_data < ETH_ZLEN - ETH_HLEN)
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   961
            EC_WRITE_U8(cur_data++, 0x00);
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   962
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   963
        EC_MASTER_DBG(master, 2, "frame size: %zu\n", cur_data - frame_data);
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   964
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   965
        // send frame
579
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   966
        ec_device_send(&master->main_device, cur_data - frame_data);
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   967
#ifdef EC_HAVE_CYCLES
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   968
        cycles_sent = get_cycles();
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   969
#endif
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   970
        jiffies_sent = jiffies;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   971
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   972
        // set datagram states and sending timestamps
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   973
        list_for_each_entry_safe(datagram, next, &sent_datagrams, sent) {
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   974
            datagram->state = EC_DATAGRAM_SENT;
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   975
#ifdef EC_HAVE_CYCLES
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   976
            datagram->cycles_sent = cycles_sent;
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   977
#endif
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   978
            datagram->jiffies_sent = jiffies_sent;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   979
            list_del_init(&datagram->sent); // empty list of sent datagrams
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   980
        }
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   981
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   982
        frame_count++;
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   983
    }
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   984
    while (more_datagrams_waiting);
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   985
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   986
#ifdef EC_HAVE_CYCLES
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   987
    if (unlikely(master->debug_level > 1)) {
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   988
        cycles_end = get_cycles();
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   989
        EC_MASTER_DBG(master, 0, "ec_master_send_datagrams"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
   990
                " sent %u frames in %uus.\n", frame_count,
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   991
               (unsigned int) (cycles_end - cycles_start) * 1000 / cpu_khz);
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   992
    }
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   993
#endif
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   994
}
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   995
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   996
/*****************************************************************************/
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   997
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   998
/** Processes a received frame.
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   999
 *
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
  1000
 * This function is called by the network driver for every received frame.
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
  1001
 * 
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
  1002
 * \return 0 in case of success, else < 0
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
  1003
 */
331
17f58fe99511 Renamed ec_master_receive() to ec_master_receive_datagrams().
Florian Pose <fp@igh-essen.com>
parents: 330
diff changeset
  1004
void ec_master_receive_datagrams(ec_master_t *master, /**< EtherCAT master */
17f58fe99511 Renamed ec_master_receive() to ec_master_receive_datagrams().
Florian Pose <fp@igh-essen.com>
parents: 330
diff changeset
  1005
                                 const uint8_t *frame_data, /**< frame data */
17f58fe99511 Renamed ec_master_receive() to ec_master_receive_datagrams().
Florian Pose <fp@igh-essen.com>
parents: 330
diff changeset
  1006
                                 size_t size /**< size of the received data */
17f58fe99511 Renamed ec_master_receive() to ec_master_receive_datagrams().
Florian Pose <fp@igh-essen.com>
parents: 330
diff changeset
  1007
                                 )
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1008
{
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1009
    size_t frame_size, data_size;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1010
    uint8_t datagram_type, datagram_index;
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1011
    unsigned int cmd_follows, matched;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1012
    const uint8_t *cur_data;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1013
    ec_datagram_t *datagram;
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1014
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1015
    if (unlikely(size < EC_FRAME_HEADER_SIZE)) {
1303
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
  1016
        if (master->debug_level) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1017
            EC_MASTER_DBG(master, 0, "Corrupted frame received"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1018
                    " (size %zu < %u byte):\n",
1303
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
  1019
                    size, EC_FRAME_HEADER_SIZE);
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
  1020
            ec_print_data(frame_data, size);
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
  1021
        }
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1022
        master->stats.corrupted++;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1023
        ec_master_output_stats(master);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1024
        return;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1025
    }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1026
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1027
    cur_data = frame_data;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1028
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1029
    // check length of entire frame
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1030
    frame_size = EC_READ_U16(cur_data) & 0x07FF;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1031
    cur_data += EC_FRAME_HEADER_SIZE;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1032
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1033
    if (unlikely(frame_size > size)) {
1303
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
  1034
        if (master->debug_level) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1035
            EC_MASTER_DBG(master, 0, "Corrupted frame received"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1036
                    " (invalid frame size %zu for "
1543
373cd456dc26 Avoid warnings on x86_64 platform. Thanks to Thomas Elste.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  1037
                    "received size %zu):\n", frame_size, size);
1303
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
  1038
            ec_print_data(frame_data, size);
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
  1039
        }
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1040
        master->stats.corrupted++;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1041
        ec_master_output_stats(master);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1042
        return;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1043
    }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1044
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1045
    cmd_follows = 1;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1046
    while (cmd_follows) {
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1047
        // process datagram header
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1048
        datagram_type  = EC_READ_U8 (cur_data);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1049
        datagram_index = EC_READ_U8 (cur_data + 1);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1050
        data_size      = EC_READ_U16(cur_data + 6) & 0x07FF;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1051
        cmd_follows    = EC_READ_U16(cur_data + 6) & 0x8000;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1052
        cur_data += EC_DATAGRAM_HEADER_SIZE;
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1053
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1054
        if (unlikely(cur_data - frame_data
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1055
                     + data_size + EC_DATAGRAM_FOOTER_SIZE > size)) {
1303
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
  1056
            if (master->debug_level) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1057
                EC_MASTER_DBG(master, 0, "Corrupted frame received"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1058
                        " (invalid data size %zu):\n", data_size);
1303
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
  1059
                ec_print_data(frame_data, size);
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
  1060
            }
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1061
            master->stats.corrupted++;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1062
            ec_master_output_stats(master);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1063
            return;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1064
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1065
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1066
        // search for matching datagram in the queue
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1067
        matched = 0;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1068
        list_for_each_entry(datagram, &master->datagram_queue, queue) {
690
5e231f6a3d2e Re-ordered criteria for datagram matching.
Florian Pose <fp@igh-essen.com>
parents: 688
diff changeset
  1069
            if (datagram->index == datagram_index
5e231f6a3d2e Re-ordered criteria for datagram matching.
Florian Pose <fp@igh-essen.com>
parents: 688
diff changeset
  1070
                && datagram->state == EC_DATAGRAM_SENT
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1071
                && datagram->type == datagram_type
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1072
                && datagram->data_size == data_size) {
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1073
                matched = 1;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1074
                break;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1075
            }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1076
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1077
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1078
        // no matching datagram was found
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1079
        if (!matched) {
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1080
            master->stats.unmatched++;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1081
            ec_master_output_stats(master);
684
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
  1082
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
  1083
            if (unlikely(master->debug_level > 0)) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1084
                EC_MASTER_DBG(master, 0, "UNMATCHED datagram:\n");
684
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
  1085
                ec_print_data(cur_data - EC_DATAGRAM_HEADER_SIZE,
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
  1086
                        EC_DATAGRAM_HEADER_SIZE + data_size
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
  1087
                        + EC_DATAGRAM_FOOTER_SIZE);
692
fe7cf37c33f1 Implemented debug frame ring to output the last n frames for debugging
Florian Pose <fp@igh-essen.com>
parents: 691
diff changeset
  1088
#ifdef EC_DEBUG_RING
fe7cf37c33f1 Implemented debug frame ring to output the last n frames for debugging
Florian Pose <fp@igh-essen.com>
parents: 691
diff changeset
  1089
                ec_device_debug_ring_print(&master->main_device);
fe7cf37c33f1 Implemented debug frame ring to output the last n frames for debugging
Florian Pose <fp@igh-essen.com>
parents: 691
diff changeset
  1090
#endif
684
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
  1091
            }
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
  1092
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1093
            cur_data += data_size + EC_DATAGRAM_FOOTER_SIZE;
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1094
            continue;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1095
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1096
2114
b91bb9b96823 Don not copy frame data to datagram memory, if datagram type is write-only.
Florian Pose <fp@igh-essen.com>
parents: 2109
diff changeset
  1097
        if (datagram->type != EC_DATAGRAM_APWR &&
b91bb9b96823 Don not copy frame data to datagram memory, if datagram type is write-only.
Florian Pose <fp@igh-essen.com>
parents: 2109
diff changeset
  1098
                datagram->type != EC_DATAGRAM_FPWR &&
b91bb9b96823 Don not copy frame data to datagram memory, if datagram type is write-only.
Florian Pose <fp@igh-essen.com>
parents: 2109
diff changeset
  1099
                datagram->type != EC_DATAGRAM_BWR &&
b91bb9b96823 Don not copy frame data to datagram memory, if datagram type is write-only.
Florian Pose <fp@igh-essen.com>
parents: 2109
diff changeset
  1100
                datagram->type != EC_DATAGRAM_LWR) {
b91bb9b96823 Don not copy frame data to datagram memory, if datagram type is write-only.
Florian Pose <fp@igh-essen.com>
parents: 2109
diff changeset
  1101
            // copy received data into the datagram memory,
b91bb9b96823 Don not copy frame data to datagram memory, if datagram type is write-only.
Florian Pose <fp@igh-essen.com>
parents: 2109
diff changeset
  1102
            // if something has been read
b91bb9b96823 Don not copy frame data to datagram memory, if datagram type is write-only.
Florian Pose <fp@igh-essen.com>
parents: 2109
diff changeset
  1103
            memcpy(datagram->data, cur_data, data_size);
b91bb9b96823 Don not copy frame data to datagram memory, if datagram type is write-only.
Florian Pose <fp@igh-essen.com>
parents: 2109
diff changeset
  1104
        }
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1105
        cur_data += data_size;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1106
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1107
        // set the datagram's working counter
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1108
        datagram->working_counter = EC_READ_U16(cur_data);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1109
        cur_data += EC_DATAGRAM_FOOTER_SIZE;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1110
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1111
        // dequeue the received datagram
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1112
        datagram->state = EC_DATAGRAM_RECEIVED;
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
  1113
#ifdef EC_HAVE_CYCLES
579
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
  1114
        datagram->cycles_received = master->main_device.cycles_poll;
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
  1115
#endif
579
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
  1116
        datagram->jiffies_received = master->main_device.jiffies_poll;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1117
        list_del_init(&datagram->queue);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1118
    }
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1119
}
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1120
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1121
/*****************************************************************************/
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1122
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
  1123
/** Output master statistics.
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
  1124
 *
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
  1125
 * This function outputs statistical data on demand, but not more often than
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
  1126
 * necessary. The output happens at most once a second.
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
  1127
 */
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1128
void ec_master_output_stats(ec_master_t *master /**< EtherCAT master */)
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1129
{
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1130
    if (unlikely(jiffies - master->stats.output_jiffies >= HZ)) {
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1131
        master->stats.output_jiffies = jiffies;
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1132
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1133
        if (master->stats.timeouts) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1134
            EC_MASTER_WARN(master, "%u datagram%s TIMED OUT!\n",
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1135
                    master->stats.timeouts,
396
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
  1136
                    master->stats.timeouts == 1 ? "" : "s");
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1137
            master->stats.timeouts = 0;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1138
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1139
        if (master->stats.corrupted) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1140
            EC_MASTER_WARN(master, "%u frame%s CORRUPTED!\n",
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1141
                    master->stats.corrupted,
396
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
  1142
                    master->stats.corrupted == 1 ? "" : "s");
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1143
            master->stats.corrupted = 0;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1144
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1145
        if (master->stats.unmatched) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1146
            EC_MASTER_WARN(master, "%u datagram%s UNMATCHED!\n",
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1147
                    master->stats.unmatched,
396
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
  1148
                    master->stats.unmatched == 1 ? "" : "s");
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1149
            master->stats.unmatched = 0;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1150
        }
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1151
    }
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
  1152
}
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
  1153
1600
e36c92cf58a9 use given send interval to limit SDO/FOE traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1597
diff changeset
  1154
e36c92cf58a9 use given send interval to limit SDO/FOE traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1597
diff changeset
  1155
/*****************************************************************************/
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1156
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1157
#ifdef EC_USE_HRTIMER
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1158
1600
e36c92cf58a9 use given send interval to limit SDO/FOE traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1597
diff changeset
  1159
/*
e36c92cf58a9 use given send interval to limit SDO/FOE traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1597
diff changeset
  1160
 * Sleep related functions:
e36c92cf58a9 use given send interval to limit SDO/FOE traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1597
diff changeset
  1161
 */
e36c92cf58a9 use given send interval to limit SDO/FOE traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1597
diff changeset
  1162
static enum hrtimer_restart ec_master_nanosleep_wakeup(struct hrtimer *timer)
e36c92cf58a9 use given send interval to limit SDO/FOE traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1597
diff changeset
  1163
{
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1164
    struct hrtimer_sleeper *t =
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1165
        container_of(timer, struct hrtimer_sleeper, timer);
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1166
    struct task_struct *task = t->task;
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1167
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1168
    t->task = NULL;
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1169
    if (task)
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1170
        wake_up_process(task);
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1171
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1172
    return HRTIMER_NORESTART;
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1173
}
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1174
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1175
/*****************************************************************************/
1600
e36c92cf58a9 use given send interval to limit SDO/FOE traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1597
diff changeset
  1176
1603
8e528f806dc5 fix build for recent kernel versions (tested with 2.6.31)
Matthias Luescher <ch1010472@ch10lt140>
parents: 1600
diff changeset
  1177
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1178
1603
8e528f806dc5 fix build for recent kernel versions (tested with 2.6.31)
Matthias Luescher <ch1010472@ch10lt140>
parents: 1600
diff changeset
  1179
/* compatibility with new hrtimer interface */
8e528f806dc5 fix build for recent kernel versions (tested with 2.6.31)
Matthias Luescher <ch1010472@ch10lt140>
parents: 1600
diff changeset
  1180
static inline ktime_t hrtimer_get_expires(const struct hrtimer *timer)
8e528f806dc5 fix build for recent kernel versions (tested with 2.6.31)
Matthias Luescher <ch1010472@ch10lt140>
parents: 1600
diff changeset
  1181
{
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1182
    return timer->expires;
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1183
}
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1184
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1185
/*****************************************************************************/
1603
8e528f806dc5 fix build for recent kernel versions (tested with 2.6.31)
Matthias Luescher <ch1010472@ch10lt140>
parents: 1600
diff changeset
  1186
8e528f806dc5 fix build for recent kernel versions (tested with 2.6.31)
Matthias Luescher <ch1010472@ch10lt140>
parents: 1600
diff changeset
  1187
static inline void hrtimer_set_expires(struct hrtimer *timer, ktime_t time)
8e528f806dc5 fix build for recent kernel versions (tested with 2.6.31)
Matthias Luescher <ch1010472@ch10lt140>
parents: 1600
diff changeset
  1188
{
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1189
    timer->expires = time;
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1190
}
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1191
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1192
#endif
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1193
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1194
/*****************************************************************************/
1603
8e528f806dc5 fix build for recent kernel versions (tested with 2.6.31)
Matthias Luescher <ch1010472@ch10lt140>
parents: 1600
diff changeset
  1195
1600
e36c92cf58a9 use given send interval to limit SDO/FOE traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1597
diff changeset
  1196
void ec_master_nanosleep(const unsigned long nsecs)
e36c92cf58a9 use given send interval to limit SDO/FOE traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1597
diff changeset
  1197
{
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1198
    struct hrtimer_sleeper t;
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1199
    enum hrtimer_mode mode = HRTIMER_MODE_REL;
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1200
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1201
    hrtimer_init(&t.timer, CLOCK_MONOTONIC, mode);
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1202
    t.timer.function = ec_master_nanosleep_wakeup;
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1203
    t.task = current;
1600
e36c92cf58a9 use given send interval to limit SDO/FOE traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1597
diff changeset
  1204
#ifdef CONFIG_HIGH_RES_TIMERS
1603
8e528f806dc5 fix build for recent kernel versions (tested with 2.6.31)
Matthias Luescher <ch1010472@ch10lt140>
parents: 1600
diff changeset
  1205
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 24)
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1206
    t.timer.cb_mode = HRTIMER_CB_IRQSAFE_NO_RESTART;
1603
8e528f806dc5 fix build for recent kernel versions (tested with 2.6.31)
Matthias Luescher <ch1010472@ch10lt140>
parents: 1600
diff changeset
  1207
#elif LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 26)
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1208
    t.timer.cb_mode = HRTIMER_CB_IRQSAFE_NO_SOFTIRQ;
1603
8e528f806dc5 fix build for recent kernel versions (tested with 2.6.31)
Matthias Luescher <ch1010472@ch10lt140>
parents: 1600
diff changeset
  1209
#elif LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 28)
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1210
    t.timer.cb_mode = HRTIMER_CB_IRQSAFE_UNLOCKED;
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1211
#endif
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1212
#endif
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1213
    hrtimer_set_expires(&t.timer, ktime_set(0, nsecs));
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1214
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1215
    do {
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1216
        set_current_state(TASK_INTERRUPTIBLE);
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1217
        hrtimer_start(&t.timer, hrtimer_get_expires(&t.timer), mode);
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1218
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1219
        if (likely(t.task))
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1220
            schedule();
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1221
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1222
        hrtimer_cancel(&t.timer);
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1223
        mode = HRTIMER_MODE_ABS;
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1224
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1225
    } while (t.task && !signal_pending(current));
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1226
}
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1227
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1228
#endif // EC_USE_HRTIMER
1600
e36c92cf58a9 use given send interval to limit SDO/FOE traffic
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1597
diff changeset
  1229
68
a452700db994 Neue ASCII-Adressierung und Code-Dokumantation.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
  1230
/*****************************************************************************/
a452700db994 Neue ASCII-Adressierung und Code-Dokumantation.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
  1231
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
  1232
/** Master kernel thread function for IDLE phase.
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
  1233
 */
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
  1234
static int ec_master_idle_thread(void *priv_data)
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
  1235
{
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
  1236
    ec_master_t *master = (ec_master_t *) priv_data;
1583
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1237
    ec_slave_t *slave = NULL;
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1238
    int fsm_exec;
1804
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
  1239
    size_t sent_bytes;
1774
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
  1240
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
  1241
    // send interval in IDLE phase
1804
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
  1242
    ec_master_set_send_interval(master, 1000000 / HZ); 
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
  1243
1930
59a50053ccc6 Made send_interval variable an unsigned int; fixed format specifiers for
Florian Pose <fp@igh-essen.com>
parents: 1925
diff changeset
  1244
    EC_MASTER_DBG(master, 1, "Idle thread running with send interval = %u us,"
59a50053ccc6 Made send_interval variable an unsigned int; fixed format specifiers for
Florian Pose <fp@igh-essen.com>
parents: 1925
diff changeset
  1245
            " max data size=%zu\n", master->send_interval,
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1246
            master->max_queue_size);
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
  1247
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
  1248
    while (!kthread_should_stop()) {
719
03d5b96632fb Store skipped information in datagrams; name datagrams for statistics
Florian Pose <fp@igh-essen.com>
parents: 715
diff changeset
  1249
        ec_datagram_output_stats(&master->fsm_datagram);
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
  1250
1031
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
  1251
        // receive
1489
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1252
        down(&master->io_sem);
1031
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
  1253
        ecrt_master_receive(master);
1489
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1254
        up(&master->io_sem);
1031
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
  1255
1583
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1256
        fsm_exec = 0;
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1257
        // execute master & slave state machines
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
  1258
        if (down_interruptible(&master->master_sem))
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
  1259
            break;
1583
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1260
        fsm_exec = ec_fsm_master_exec(&master->fsm);
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1261
        for (slave = master->slaves;
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1262
                slave < master->slaves + master->slave_count;
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1263
                slave++) {
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1264
            ec_fsm_slave_exec(&slave->fsm);
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1265
        }
1075
94c6e36e0f8d Implemented master semaphore to secure concurrent access from ioctls, state machine and realtime interface.
Florian Pose <fp@igh-essen.com>
parents: 1055
diff changeset
  1266
        up(&master->master_sem);
1031
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
  1267
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
  1268
        // queue and send
1489
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1269
        down(&master->io_sem);
1583
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1270
        if (fsm_exec) {
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1271
            ec_master_queue_datagram(master, &master->fsm_datagram);
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1272
        }
1031
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
  1273
        ecrt_master_send(master);
1804
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
  1274
        sent_bytes = master->main_device.tx_skb[
1774
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
  1275
            master->main_device.tx_ring_index]->len;
1489
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1276
        up(&master->io_sem);
1583
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1277
1804
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
  1278
        if (ec_fsm_master_idle(&master->fsm)) {
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1279
#ifdef EC_USE_HRTIMER
1804
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
  1280
            ec_master_nanosleep(master->send_interval * 1000);
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1281
#else
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1282
            set_current_state(TASK_INTERRUPTIBLE);
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1283
            schedule_timeout(1);
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1284
#endif
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1285
        } else {
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1286
#ifdef EC_USE_HRTIMER
1804
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
  1287
            ec_master_nanosleep(sent_bytes * EC_BYTE_TRANSMISSION_TIME_NS);
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1288
#else
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1289
            schedule();
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1290
#endif
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1291
        }
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
  1292
    }
518
b6a1426ba724 Fixed race: Stop EoE processing when entering or leaving operation mode.
Florian Pose <fp@igh-essen.com>
parents: 517
diff changeset
  1293
    
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1294
    EC_MASTER_DBG(master, 1, "Master IDLE thread exiting...\n");
1774
a9143f82c7c5 Fixed name of byte transmission time define; changed coding style.
Florian Pose <fp@igh-essen.com>
parents: 1773
diff changeset
  1295
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
  1296
    return 0;
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
  1297
}
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
  1298
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
  1299
/*****************************************************************************/
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
  1300
1583
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1301
/** Master kernel thread function for OPERATION phase.
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
  1302
 */
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
  1303
static int ec_master_operation_thread(void *priv_data)
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
  1304
{
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
  1305
    ec_master_t *master = (ec_master_t *) priv_data;
1583
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1306
    ec_slave_t *slave = NULL;
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1307
    int fsm_exec;
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1308
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1309
    EC_MASTER_DBG(master, 1, "Operation thread running"
1930
59a50053ccc6 Made send_interval variable an unsigned int; fixed format specifiers for
Florian Pose <fp@igh-essen.com>
parents: 1925
diff changeset
  1310
            " with fsm interval = %u us, max data size=%zu\n",
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1311
            master->send_interval, master->max_queue_size);
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
  1312
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
  1313
    while (!kthread_should_stop()) {
719
03d5b96632fb Store skipped information in datagrams; name datagrams for statistics
Florian Pose <fp@igh-essen.com>
parents: 715
diff changeset
  1314
        ec_datagram_output_stats(&master->fsm_datagram);
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1315
1583
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1316
        if (master->injection_seq_rt == master->injection_seq_fsm) {
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1317
            // output statistics
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1318
            ec_master_output_stats(master);
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1319
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1320
            fsm_exec = 0;
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1321
            // execute master & slave state machines
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1322
            if (down_interruptible(&master->master_sem))
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1323
                break;
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1324
            fsm_exec += ec_fsm_master_exec(&master->fsm);
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1325
            for (slave = master->slaves;
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1326
                    slave < master->slaves + master->slave_count;
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1327
                    slave++) {
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1328
                ec_fsm_slave_exec(&slave->fsm);
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1329
            }
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1330
            up(&master->master_sem);
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1331
2082
775d1a02f204 Improved ecrt_master_queue_datagram(); detect skipped datagrams also when
Florian Pose <fp@igh-essen.com>
parents: 2009
diff changeset
  1332
            // inject datagrams (let the rt thread queue them, see
775d1a02f204 Improved ecrt_master_queue_datagram(); detect skipped datagrams also when
Florian Pose <fp@igh-essen.com>
parents: 2009
diff changeset
  1333
            // ecrt_master_send)
1583
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1334
            if (fsm_exec)
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1335
                master->injection_seq_fsm++;
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  1336
        }
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1337
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1338
#ifdef EC_USE_HRTIMER
1804
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
  1339
        // the op thread should not work faster than the sending RT thread
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
  1340
        ec_master_nanosleep(master->send_interval * 1000);
1773
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1341
#else
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1342
        if (ec_fsm_master_idle(&master->fsm)) {
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1343
            set_current_state(TASK_INTERRUPTIBLE);
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1344
            schedule_timeout(1);
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1345
        }
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1346
        else {
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1347
            schedule();
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1348
        }
5371f3e5f6a1 Disable use of hrtimer for scheduling by default. Does not work on some PPC targets.
Florian Pose <fp@igh-essen.com>
parents: 1611
diff changeset
  1349
#endif
1804
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
  1350
    }
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
  1351
    
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1352
    EC_MASTER_DBG(master, 1, "Master OP thread exiting...\n");
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
  1353
    return 0;
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
  1354
}
578
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
  1355
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
  1356
/*****************************************************************************/
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
  1357
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
  1358
#ifdef EC_EOE
1327
4d179b06dd3c merge -c1604 branches/stable-1.4: Fixed spelling of EtherCAT terms.
Florian Pose <fp@igh-essen.com>
parents: 1326
diff changeset
  1359
/** Starts Ethernet over EtherCAT processing on demand.
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
  1360
 */
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1361
void ec_master_eoe_start(ec_master_t *master /**< EtherCAT master */)
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1362
{
1489
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1363
    struct sched_param param = { .sched_priority = 0 };
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1364
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1365
    if (master->eoe_thread) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1366
        EC_MASTER_WARN(master, "EoE already running!\n");
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1367
        return;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1368
    }
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1369
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1370
    if (list_empty(&master->eoe_handlers))
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1371
        return;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1372
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  1373
    if (!master->send_cb || !master->receive_cb) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1374
        EC_MASTER_WARN(master, "No EoE processing"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1375
                " because of missing callbacks!\n");
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1376
        return;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1377
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1378
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1379
    EC_MASTER_INFO(master, "Starting EoE thread.\n");
1489
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1380
    master->eoe_thread = kthread_run(ec_master_eoe_thread, master,
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1381
            "EtherCAT-EoE");
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1382
    if (IS_ERR(master->eoe_thread)) {
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1383
        int err = (int) PTR_ERR(master->eoe_thread);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1384
        EC_MASTER_ERR(master, "Failed to start EoE thread (error %i)!\n",
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1385
                err);
1489
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1386
        master->eoe_thread = NULL;
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1387
        return;
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1388
    }
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1389
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1390
    sched_setscheduler(master->eoe_thread, SCHED_NORMAL, &param);
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1391
    set_user_nice(master->eoe_thread, 0);
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1392
}
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1393
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1394
/*****************************************************************************/
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1395
1327
4d179b06dd3c merge -c1604 branches/stable-1.4: Fixed spelling of EtherCAT terms.
Florian Pose <fp@igh-essen.com>
parents: 1326
diff changeset
  1396
/** Stops the Ethernet over EtherCAT processing.
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
  1397
 */
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1398
void ec_master_eoe_stop(ec_master_t *master /**< EtherCAT master */)
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1399
{
1489
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1400
    if (master->eoe_thread) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1401
        EC_MASTER_INFO(master, "Stopping EoE thread.\n");
1489
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1402
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1403
        kthread_stop(master->eoe_thread);
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1404
        master->eoe_thread = NULL;
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1405
        EC_MASTER_INFO(master, "EoE thread exited.\n");
1489
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1406
    }
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1407
}
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1408
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1409
/*****************************************************************************/
441
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1410
1327
4d179b06dd3c merge -c1604 branches/stable-1.4: Fixed spelling of EtherCAT terms.
Florian Pose <fp@igh-essen.com>
parents: 1326
diff changeset
  1411
/** Does the Ethernet over EtherCAT processing.
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
  1412
 */
1489
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1413
static int ec_master_eoe_thread(void *priv_data)
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1414
{
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1415
    ec_master_t *master = (ec_master_t *) priv_data;
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1416
    ec_eoe_t *eoe;
1489
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1417
    unsigned int none_open, sth_to_send, all_idle;
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1418
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1419
    EC_MASTER_DBG(master, 1, "EoE thread running.\n");
1489
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1420
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1421
    while (!kthread_should_stop()) {
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1422
        none_open = 1;
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1423
        all_idle = 1;
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1424
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1425
        list_for_each_entry(eoe, &master->eoe_handlers, list) {
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1426
            if (ec_eoe_is_open(eoe)) {
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1427
                none_open = 0;
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1428
                break;
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1429
            }
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1430
        }
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1431
        if (none_open)
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1432
            goto schedule;
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1433
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1434
        // receive datagrams
1513
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1507
diff changeset
  1435
        master->receive_cb(master->cb_data);
1489
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1436
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1437
        // actual EoE processing
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1438
        sth_to_send = 0;
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1439
        list_for_each_entry(eoe, &master->eoe_handlers, list) {
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1440
            ec_eoe_run(eoe);
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1441
            if (eoe->queue_datagram) {
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1442
                sth_to_send = 1;
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1443
            }
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1444
            if (!ec_eoe_is_idle(eoe)) {
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1445
                all_idle = 0;
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1446
            }
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1447
        }
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1448
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1449
        if (sth_to_send) {
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1450
            list_for_each_entry(eoe, &master->eoe_handlers, list) {
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1451
                ec_eoe_queue(eoe);
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1452
            }
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  1453
            // (try to) send datagrams
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  1454
            down(&master->ext_queue_sem);
1513
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1507
diff changeset
  1455
            master->send_cb(master->cb_data);
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  1456
            up(&master->ext_queue_sem);
1489
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1457
        }
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1458
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1459
schedule:
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1460
        if (all_idle) {
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1461
            set_current_state(TASK_INTERRUPTIBLE);
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1462
            schedule_timeout(1);
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1463
        } else {
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1464
            schedule();
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1465
        }
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1466
    }
1041
42c9ac58d9ce Removed state machine cycle time measuring.
Florian Pose <fp@igh-essen.com>
parents: 1040
diff changeset
  1467
    
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1468
    EC_MASTER_DBG(master, 1, "EoE thread exiting...\n");
1489
f77a1182b6f4 EoE processing with kthread.
Florian Pose <fp@igh-essen.com>
parents: 1485
diff changeset
  1469
    return 0;
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1470
}
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
  1471
#endif
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1472
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1473
/*****************************************************************************/
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1474
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1475
/** Detaches the slave configurations from the slaves.
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1476
 */
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1477
void ec_master_detach_slave_configs(
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1478
        ec_master_t *master /**< EtherCAT master. */
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1479
        )
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1480
{
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1481
    ec_slave_config_t *sc;
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1482
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1483
    list_for_each_entry(sc, &master->configs, list) {
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1484
        ec_slave_config_detach(sc); 
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1485
    }
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1486
}
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1487
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1488
/*****************************************************************************/
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1489
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1490
/** Attaches the slave configurations to the slaves.
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1491
 */
1028
afdd4bdbb7ec Removed configs_attached flag; changed return value of
Florian Pose <fp@igh-essen.com>
parents: 1024
diff changeset
  1492
void ec_master_attach_slave_configs(
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1493
        ec_master_t *master /**< EtherCAT master. */
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1494
        )
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1495
{
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1496
    ec_slave_config_t *sc;
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1497
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1498
    list_for_each_entry(sc, &master->configs, list) {
1028
afdd4bdbb7ec Removed configs_attached flag; changed return value of
Florian Pose <fp@igh-essen.com>
parents: 1024
diff changeset
  1499
        ec_slave_config_attach(sc);
afdd4bdbb7ec Removed configs_attached flag; changed return value of
Florian Pose <fp@igh-essen.com>
parents: 1024
diff changeset
  1500
    }
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1501
}
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1502
927
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1503
/*****************************************************************************/
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1504
1077
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1505
/** Common implementation for ec_master_find_slave()
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1506
 * and ec_master_find_slave_const().
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1507
 */
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1508
#define EC_FIND_SLAVE \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1509
    do { \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1510
        if (alias) { \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1511
            for (; slave < master->slaves + master->slave_count; \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1512
                    slave++) { \
1909
ea3eb4c74c1b Introduced effective_alias variable to separate reg12 alias from SII alias.
Florian Pose <fp@igh-essen.com>
parents: 1906
diff changeset
  1513
                if (slave->effective_alias == alias) \
1077
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1514
                break; \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1515
            } \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1516
            if (slave == master->slaves + master->slave_count) \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1517
            return NULL; \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1518
        } \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1519
        \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1520
        slave += position; \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1521
        if (slave < master->slaves + master->slave_count) { \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1522
            return slave; \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1523
        } else { \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1524
            return NULL; \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1525
        } \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1526
    } while (0)
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1527
927
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1528
/** Finds a slave in the bus, given the alias and position.
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1529
 */
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1530
ec_slave_t *ec_master_find_slave(
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1531
        ec_master_t *master, /**< EtherCAT master. */
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1532
        uint16_t alias, /**< Slave alias. */
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1533
        uint16_t position /**< Slave position. */
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1534
        )
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1535
{
1000
5746fdd1ca2e Store slaves in an array instead of a list.
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
  1536
    ec_slave_t *slave = master->slaves;
1077
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1537
    EC_FIND_SLAVE;
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1538
}
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1539
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1540
/** Finds a slave in the bus, given the alias and position.
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1541
 *
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1542
 * Const version.
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1543
 */
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1544
const ec_slave_t *ec_master_find_slave_const(
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1545
        const ec_master_t *master, /**< EtherCAT master. */
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1546
        uint16_t alias, /**< Slave alias. */
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1547
        uint16_t position /**< Slave position. */
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1548
        )
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1549
{
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1550
    const ec_slave_t *slave = master->slaves;
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1551
    EC_FIND_SLAVE;
927
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1552
}
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1553
946
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1554
/*****************************************************************************/
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1555
1092
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1556
/** Get the number of slave configurations provided by the application.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1557
 *
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1558
 * \return Number of configurations.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1559
 */
990
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1560
unsigned int ec_master_config_count(
1507
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1561
        const ec_master_t *master /**< EtherCAT master. */
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1562
        )
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1563
{
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1564
    const ec_slave_config_t *sc;
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1565
    unsigned int count = 0;
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1566
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1567
    list_for_each_entry(sc, &master->configs, list) {
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1568
        count++;
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1569
    }
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1570
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1571
    return count;
990
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1572
}
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1573
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1574
/*****************************************************************************/
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1575
1252
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1576
/** Common implementation for ec_master_get_config()
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1577
 * and ec_master_get_config_const().
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1578
 */
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1579
#define EC_FIND_CONFIG \
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1580
    do { \
1507
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1581
        list_for_each_entry(sc, &master->configs, list) { \
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1582
            if (pos--) \
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1583
                continue; \
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1584
            return sc; \
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1585
        } \
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1586
        return NULL; \
1252
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1587
    } while (0)
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1588
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1589
/** Get a slave configuration via its position in the list.
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1590
 *
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1591
 * \return Slave configuration or \a NULL.
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1592
 */
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1593
ec_slave_config_t *ec_master_get_config(
1507
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1594
        const ec_master_t *master, /**< EtherCAT master. */
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1595
        unsigned int pos /**< List position. */
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1596
        )
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1597
{
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1598
    ec_slave_config_t *sc;
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1599
    EC_FIND_CONFIG;
1252
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1600
}
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1601
1092
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1602
/** Get a slave configuration via its position in the list.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1603
 *
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1604
 * Const version.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1605
 *
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1606
 * \return Slave configuration or \a NULL.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1607
 */
990
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1608
const ec_slave_config_t *ec_master_get_config_const(
1507
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1609
        const ec_master_t *master, /**< EtherCAT master. */
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1610
        unsigned int pos /**< List position. */
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1611
        )
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1612
{
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1613
    const ec_slave_config_t *sc;
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1614
    EC_FIND_CONFIG;
990
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1615
}
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1616
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1617
/*****************************************************************************/
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1618
1092
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1619
/** Get the number of domains.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1620
 *
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1621
 * \return Number of domains.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1622
 */
946
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1623
unsigned int ec_master_domain_count(
1507
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1624
        const ec_master_t *master /**< EtherCAT master. */
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1625
        )
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1626
{
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1627
    const ec_domain_t *domain;
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1628
    unsigned int count = 0;
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1629
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1630
    list_for_each_entry(domain, &master->domains, list) {
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1631
        count++;
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1632
    }
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1633
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1634
    return count;
946
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1635
}
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1636
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1637
/*****************************************************************************/
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1638
1082
ff06c58e269c Renamed ecrt_slave_config_sync_managers() to ecrt_slave_config_pdos();
Florian Pose <fp@igh-essen.com>
parents: 1079
diff changeset
  1639
/** Common implementation for ec_master_find_domain() and
ff06c58e269c Renamed ecrt_slave_config_sync_managers() to ecrt_slave_config_pdos();
Florian Pose <fp@igh-essen.com>
parents: 1079
diff changeset
  1640
 * ec_master_find_domain_const().
ff06c58e269c Renamed ecrt_slave_config_sync_managers() to ecrt_slave_config_pdos();
Florian Pose <fp@igh-essen.com>
parents: 1079
diff changeset
  1641
 */
1078
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1642
#define EC_FIND_DOMAIN \
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1643
    do { \
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1644
        list_for_each_entry(domain, &master->domains, list) { \
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1645
            if (index--) \
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1646
                continue; \
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1647
            return domain; \
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1648
        } \
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1649
        \
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1650
        return NULL; \
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1651
    } while (0)
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1652
1092
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1653
/** Get a domain via its position in the list.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1654
 *
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1655
 * \return Domain pointer, or \a NULL if not found.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1656
 */
946
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1657
ec_domain_t *ec_master_find_domain(
1507
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1658
        ec_master_t *master, /**< EtherCAT master. */
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1659
        unsigned int index /**< Domain index. */
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1660
        )
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1661
{
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1662
    ec_domain_t *domain;
1078
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1663
    EC_FIND_DOMAIN;
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1664
}
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1665
1092
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1666
/** Get a domain via its position in the list.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1667
 *
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1668
 * Const version.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1669
 *
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1670
 * \return Domain pointer, or \a NULL if not found.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1671
 */
1078
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1672
const ec_domain_t *ec_master_find_domain_const(
1507
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1673
        const ec_master_t *master, /**< EtherCAT master. */
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1674
        unsigned int index /**< Domain index. */
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1675
        )
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1676
{
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1677
    const ec_domain_t *domain;
1078
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1678
    EC_FIND_DOMAIN;
946
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1679
}
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1680
956
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1681
/*****************************************************************************/
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1682
1516
e3b09f847512 Fixed compiler error on --disable-eoe.
Florian Pose <fp@igh-essen.com>
parents: 1513
diff changeset
  1683
#ifdef EC_EOE
e3b09f847512 Fixed compiler error on --disable-eoe.
Florian Pose <fp@igh-essen.com>
parents: 1513
diff changeset
  1684
1485
5ddc3a455059 ethercat eoe command.
Florian Pose <fp@igh-essen.com>
parents: 1483
diff changeset
  1685
/** Get the number of EoE handlers.
5ddc3a455059 ethercat eoe command.
Florian Pose <fp@igh-essen.com>
parents: 1483
diff changeset
  1686
 *
5ddc3a455059 ethercat eoe command.
Florian Pose <fp@igh-essen.com>
parents: 1483
diff changeset
  1687
 * \return Number of EoE handlers.
5ddc3a455059 ethercat eoe command.
Florian Pose <fp@igh-essen.com>
parents: 1483
diff changeset
  1688
 */
5ddc3a455059 ethercat eoe command.
Florian Pose <fp@igh-essen.com>
parents: 1483
diff changeset
  1689
uint16_t ec_master_eoe_handler_count(
1507
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1690
        const ec_master_t *master /**< EtherCAT master. */
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1691
        )
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1692
{
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1693
    const ec_eoe_t *eoe;
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1694
    unsigned int count = 0;
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1695
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1696
    list_for_each_entry(eoe, &master->eoe_handlers, list) {
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1697
        count++;
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1698
    }
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1699
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1700
    return count;
1485
5ddc3a455059 ethercat eoe command.
Florian Pose <fp@igh-essen.com>
parents: 1483
diff changeset
  1701
}
5ddc3a455059 ethercat eoe command.
Florian Pose <fp@igh-essen.com>
parents: 1483
diff changeset
  1702
5ddc3a455059 ethercat eoe command.
Florian Pose <fp@igh-essen.com>
parents: 1483
diff changeset
  1703
/*****************************************************************************/
5ddc3a455059 ethercat eoe command.
Florian Pose <fp@igh-essen.com>
parents: 1483
diff changeset
  1704
5ddc3a455059 ethercat eoe command.
Florian Pose <fp@igh-essen.com>
parents: 1483
diff changeset
  1705
/** Get an EoE handler via its position in the list.
5ddc3a455059 ethercat eoe command.
Florian Pose <fp@igh-essen.com>
parents: 1483
diff changeset
  1706
 *
5ddc3a455059 ethercat eoe command.
Florian Pose <fp@igh-essen.com>
parents: 1483
diff changeset
  1707
 * Const version.
5ddc3a455059 ethercat eoe command.
Florian Pose <fp@igh-essen.com>
parents: 1483
diff changeset
  1708
 *
5ddc3a455059 ethercat eoe command.
Florian Pose <fp@igh-essen.com>
parents: 1483
diff changeset
  1709
 * \return EoE handler pointer, or \a NULL if not found.
5ddc3a455059 ethercat eoe command.
Florian Pose <fp@igh-essen.com>
parents: 1483
diff changeset
  1710
 */
5ddc3a455059 ethercat eoe command.
Florian Pose <fp@igh-essen.com>
parents: 1483
diff changeset
  1711
const ec_eoe_t *ec_master_get_eoe_handler_const(
1507
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1712
        const ec_master_t *master, /**< EtherCAT master. */
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1713
        uint16_t index /**< EoE handler index. */
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1714
        )
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1715
{
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1716
    const ec_eoe_t *eoe;
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1717
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1718
    list_for_each_entry(eoe, &master->eoe_handlers, list) {
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1719
        if (index--)
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1720
            continue;
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1721
        return eoe;
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1722
    }
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1723
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1724
    return NULL;
1485
5ddc3a455059 ethercat eoe command.
Florian Pose <fp@igh-essen.com>
parents: 1483
diff changeset
  1725
}
5ddc3a455059 ethercat eoe command.
Florian Pose <fp@igh-essen.com>
parents: 1483
diff changeset
  1726
1516
e3b09f847512 Fixed compiler error on --disable-eoe.
Florian Pose <fp@igh-essen.com>
parents: 1513
diff changeset
  1727
#endif
e3b09f847512 Fixed compiler error on --disable-eoe.
Florian Pose <fp@igh-essen.com>
parents: 1513
diff changeset
  1728
1485
5ddc3a455059 ethercat eoe command.
Florian Pose <fp@igh-essen.com>
parents: 1483
diff changeset
  1729
/*****************************************************************************/
5ddc3a455059 ethercat eoe command.
Florian Pose <fp@igh-essen.com>
parents: 1483
diff changeset
  1730
1092
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1731
/** Set the debug level.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1732
 *
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
  1733
 * \retval       0 Success.
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
  1734
 * \retval -EINVAL Invalid debug level.
1092
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1735
 */
956
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1736
int ec_master_debug_level(
1092
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1737
        ec_master_t *master, /**< EtherCAT master. */
1399
f79d4bb5b23a Added debug_level module parameter. debug_level is now unsigned int.
Florian Pose <fp@igh-essen.com>
parents: 1396
diff changeset
  1738
        unsigned int level /**< Debug level. May be 0, 1 or 2. */
956
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1739
        )
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1740
{
1399
f79d4bb5b23a Added debug_level module parameter. debug_level is now unsigned int.
Florian Pose <fp@igh-essen.com>
parents: 1396
diff changeset
  1741
    if (level > 2) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1742
        EC_MASTER_ERR(master, "Invalid debug level %u!\n", level);
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
  1743
        return -EINVAL;
956
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1744
    }
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1745
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1746
    if (level != master->debug_level) {
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1747
        master->debug_level = level;
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1748
        EC_MASTER_INFO(master, "Master debug level set to %u.\n",
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1749
                master->debug_level);
956
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1750
    }
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1751
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1752
    return 0;
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1753
}
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1754
1408
91b35db64a24 Find DC reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1399
diff changeset
  1755
/*****************************************************************************/
91b35db64a24 Find DC reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1399
diff changeset
  1756
91b35db64a24 Find DC reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1399
diff changeset
  1757
/** Finds the DC reference clock.
91b35db64a24 Find DC reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1399
diff changeset
  1758
 */
91b35db64a24 Find DC reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1399
diff changeset
  1759
void ec_master_find_dc_ref_clock(
91b35db64a24 Find DC reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1399
diff changeset
  1760
        ec_master_t *master /**< EtherCAT master. */
1507
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1761
        )
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1762
{
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1763
    ec_slave_t *slave, *ref = NULL;
1408
91b35db64a24 Find DC reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1399
diff changeset
  1764
91b35db64a24 Find DC reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1399
diff changeset
  1765
    for (slave = master->slaves;
91b35db64a24 Find DC reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1399
diff changeset
  1766
            slave < master->slaves + master->slave_count;
91b35db64a24 Find DC reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1399
diff changeset
  1767
            slave++) {
1425
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1768
        if (slave->base_dc_supported && slave->has_dc_system_time) {
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1769
            ref = slave;
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1770
            break;
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1771
        }
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1772
    }
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1773
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1774
    master->dc_ref_clock = ref;
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1775
    
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1776
    // This call always succeeds, because the datagram has been pre-allocated.
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1777
    ec_datagram_frmw(&master->sync_datagram,
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1778
            ref ? ref->station_address : 0xffff, 0x0910, 4);
1408
91b35db64a24 Find DC reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1399
diff changeset
  1779
}
91b35db64a24 Find DC reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1399
diff changeset
  1780
1421
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1781
/*****************************************************************************/
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1782
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1783
/** Calculates the bus topology; recursion function.
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1784
 */
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1785
int ec_master_calc_topology_rec(
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1786
        ec_master_t *master, /**< EtherCAT master. */
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1787
        ec_slave_t *port0_slave, /**< Slave at port 0. */
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1788
        unsigned int *slave_position /**< Slave position. */
1507
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1789
        )
1421
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1790
{
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1791
    ec_slave_t *slave = master->slaves + *slave_position;
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1792
    unsigned int i;
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1793
    int ret;
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1794
1425
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1795
    slave->ports[0].next_slave = port0_slave;
1421
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1796
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1797
    for (i = 1; i < EC_MAX_PORTS; i++) {
1425
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1798
        if (!slave->ports[i].link.loop_closed) {
1421
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1799
            *slave_position = *slave_position + 1;
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1800
            if (*slave_position < master->slave_count) {
1425
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1801
                slave->ports[i].next_slave = master->slaves + *slave_position;
1421
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1802
                ret = ec_master_calc_topology_rec(master,
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1803
                        slave, slave_position);
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1804
                if (ret)
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1805
                    return ret;
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1806
            } else {
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1807
                return -1;
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1808
            }
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1809
        }
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1810
    }
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1811
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1812
    return 0;
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1813
}
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1814
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1815
/*****************************************************************************/
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1816
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1817
/** Calculates the bus topology.
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1818
 */
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1819
void ec_master_calc_topology(
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1820
        ec_master_t *master /**< EtherCAT master. */
1507
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1821
        )
1421
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1822
{
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1823
    unsigned int slave_position = 0;
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1824
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1825
    if (master->slave_count == 0)
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1826
        return;
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1827
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1828
    if (ec_master_calc_topology_rec(master, NULL, &slave_position))
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1829
        EC_MASTER_ERR(master, "Failed to calculate bus topology.\n");
1421
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1830
}
043a518831b2 Bus topology calculation.
Florian Pose <fp@igh-essen.com>
parents: 1419
diff changeset
  1831
1425
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1832
/*****************************************************************************/
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1833
1426
af45bba80d85 Transition->Transmission.
Florian Pose <fp@igh-essen.com>
parents: 1425
diff changeset
  1834
/** Calculates the bus transmission delays.
af45bba80d85 Transition->Transmission.
Florian Pose <fp@igh-essen.com>
parents: 1425
diff changeset
  1835
 */
af45bba80d85 Transition->Transmission.
Florian Pose <fp@igh-essen.com>
parents: 1425
diff changeset
  1836
void ec_master_calc_transmission_delays(
1425
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1837
        ec_master_t *master /**< EtherCAT master. */
1507
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1838
        )
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1839
{
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1840
    ec_slave_t *slave;
1425
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1841
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1842
    for (slave = master->slaves;
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1843
            slave < master->slaves + master->slave_count;
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1844
            slave++) {
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1845
        ec_slave_calc_port_delays(slave);
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1846
    }
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1847
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1848
    if (master->dc_ref_clock) {
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1849
        uint32_t delay = 0;
1426
af45bba80d85 Transition->Transmission.
Florian Pose <fp@igh-essen.com>
parents: 1425
diff changeset
  1850
        ec_slave_calc_transmission_delays_rec(master->dc_ref_clock, &delay);
1425
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1851
    }
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1852
}
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1853
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1854
/*****************************************************************************/
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1855
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1856
/** Distributed-clocks calculations.
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1857
 */
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1858
void ec_master_calc_dc(
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1859
        ec_master_t *master /**< EtherCAT master. */
1507
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1860
        )
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1861
{
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1862
    // find DC reference clock
68e89abadd19 Removed unwanted tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1500
diff changeset
  1863
    ec_master_find_dc_ref_clock(master);
1425
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1864
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1865
    // calculate bus topology
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1866
    ec_master_calc_topology(master);
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1867
1426
af45bba80d85 Transition->Transmission.
Florian Pose <fp@igh-essen.com>
parents: 1425
diff changeset
  1868
    ec_master_calc_transmission_delays(master);
1425
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1869
}
c1322a8793c0 Transition delay calculation. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1421
diff changeset
  1870
1925
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1871
/*****************************************************************************/
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1872
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1873
/** Request OP state for configured slaves.
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1874
 */
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1875
void ec_master_request_op(
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1876
        ec_master_t *master /**< EtherCAT master. */
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1877
        )
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1878
{
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1879
    unsigned int i;
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1880
    ec_slave_t *slave;
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1881
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1882
    if (!master->active)
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1883
        return;
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1884
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1885
    EC_MASTER_DBG(master, 1, "Requesting OP...\n");
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1886
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1887
    // request OP for all configured slaves
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1888
    for (i = 0; i < master->slave_count; i++) {
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1889
        slave = master->slaves + i;
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1890
        if (slave->config) {
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1891
            ec_slave_request_state(slave, EC_SLAVE_STATE_OP);
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1892
        }
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1893
    }
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1894
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1895
    // always set DC reference clock to OP
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1896
    if (master->dc_ref_clock) {
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1897
        ec_slave_request_state(master->dc_ref_clock,
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1898
                EC_SLAVE_STATE_OP);
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1899
    }
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1900
}
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  1901
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1902
/******************************************************************************
1394
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
  1903
 *  Application interface
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1904
 *****************************************************************************/
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1905
1332
d62633fea8ed merge -c1610 branches/stable-1.4: Added missing doxygen docs.
Florian Pose <fp@igh-essen.com>
parents: 1329
diff changeset
  1906
/** Same as ecrt_master_create_domain(), but with ERR_PTR() return value.
d62633fea8ed merge -c1610 branches/stable-1.4: Added missing doxygen docs.
Florian Pose <fp@igh-essen.com>
parents: 1329
diff changeset
  1907
 */
1312
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1908
ec_domain_t *ecrt_master_create_domain_err(
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1909
        ec_master_t *master /**< master */
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1910
        )
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1911
{
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1912
    ec_domain_t *domain, *last_domain;
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1913
    unsigned int index;
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1914
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1915
    EC_MASTER_DBG(master, 1, "ecrt_master_create_domain(master = 0x%p)\n",
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1916
            master);
1181
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1917
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1918
    if (!(domain = (ec_domain_t *) kmalloc(sizeof(ec_domain_t), GFP_KERNEL))) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1919
        EC_MASTER_ERR(master, "Error allocating domain memory!\n");
1312
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1920
        return ERR_PTR(-ENOMEM);
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1921
    }
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1922
1075
94c6e36e0f8d Implemented master semaphore to secure concurrent access from ioctls, state machine and realtime interface.
Florian Pose <fp@igh-essen.com>
parents: 1055
diff changeset
  1923
    down(&master->master_sem);
94c6e36e0f8d Implemented master semaphore to secure concurrent access from ioctls, state machine and realtime interface.
Florian Pose <fp@igh-essen.com>
parents: 1055
diff changeset
  1924
993
8c32564252fd Removed kobject from domain.
Florian Pose <fp@igh-essen.com>
parents: 992
diff changeset
  1925
    if (list_empty(&master->domains)) {
8c32564252fd Removed kobject from domain.
Florian Pose <fp@igh-essen.com>
parents: 992
diff changeset
  1926
        index = 0;
8c32564252fd Removed kobject from domain.
Florian Pose <fp@igh-essen.com>
parents: 992
diff changeset
  1927
    } else {
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1928
        last_domain = list_entry(master->domains.prev, ec_domain_t, list);
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1929
        index = last_domain->index + 1;
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1930
    }
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1931
993
8c32564252fd Removed kobject from domain.
Florian Pose <fp@igh-essen.com>
parents: 992
diff changeset
  1932
    ec_domain_init(domain, master, index);
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1933
    list_add_tail(&domain->list, &master->domains);
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1934
1075
94c6e36e0f8d Implemented master semaphore to secure concurrent access from ioctls, state machine and realtime interface.
Florian Pose <fp@igh-essen.com>
parents: 1055
diff changeset
  1935
    up(&master->master_sem);
94c6e36e0f8d Implemented master semaphore to secure concurrent access from ioctls, state machine and realtime interface.
Florian Pose <fp@igh-essen.com>
parents: 1055
diff changeset
  1936
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1937
    EC_MASTER_DBG(master, 1, "Created domain %u.\n", domain->index);
1181
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1938
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1939
    return domain;
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1940
}
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1941
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1942
/*****************************************************************************/
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1943
1312
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1944
ec_domain_t *ecrt_master_create_domain(
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1945
        ec_master_t *master /**< master */
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1946
        )
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1947
{
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1948
    ec_domain_t *d = ecrt_master_create_domain_err(master);
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1949
    return IS_ERR(d) ? NULL : d;
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1950
}
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1951
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1952
/*****************************************************************************/
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1953
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1954
int ecrt_master_activate(ec_master_t *master)
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1955
{
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1956
    uint32_t domain_offset;
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1957
    ec_domain_t *domain;
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
  1958
    int ret;
1914
da7adbde2625 Fixed possible bug in EoE code: Only restart EoE process, when it was running
Florian Pose <fp@igh-essen.com>
parents: 1909
diff changeset
  1959
#ifdef EC_EOE
da7adbde2625 Fixed possible bug in EoE code: Only restart EoE process, when it was running
Florian Pose <fp@igh-essen.com>
parents: 1909
diff changeset
  1960
    int eoe_was_running;
da7adbde2625 Fixed possible bug in EoE code: Only restart EoE process, when it was running
Florian Pose <fp@igh-essen.com>
parents: 1909
diff changeset
  1961
#endif
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1962
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1963
    EC_MASTER_DBG(master, 1, "ecrt_master_activate(master = 0x%p)\n", master);
1181
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1964
1530
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  1965
    if (master->active) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1966
        EC_MASTER_WARN(master, "%s: Master already active!\n", __func__);
1530
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  1967
        return 0;
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  1968
    }
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  1969
1075
94c6e36e0f8d Implemented master semaphore to secure concurrent access from ioctls, state machine and realtime interface.
Florian Pose <fp@igh-essen.com>
parents: 1055
diff changeset
  1970
    down(&master->master_sem);
94c6e36e0f8d Implemented master semaphore to secure concurrent access from ioctls, state machine and realtime interface.
Florian Pose <fp@igh-essen.com>
parents: 1055
diff changeset
  1971
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1972
    // finish all domains
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1973
    domain_offset = 0;
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1974
    list_for_each_entry(domain, &master->domains, list) {
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
  1975
        ret = ec_domain_finish(domain, domain_offset);
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
  1976
        if (ret < 0) {
1197
f65f9c36ba33 Fixed missing up().
Florian Pose <fp@igh-essen.com>
parents: 1181
diff changeset
  1977
            up(&master->master_sem);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1978
            EC_MASTER_ERR(master, "Failed to finish domain 0x%p!\n", domain);
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
  1979
            return ret;
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1980
        }
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1981
        domain_offset += domain->data_size;
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1982
    }
1075
94c6e36e0f8d Implemented master semaphore to secure concurrent access from ioctls, state machine and realtime interface.
Florian Pose <fp@igh-essen.com>
parents: 1055
diff changeset
  1983
    
94c6e36e0f8d Implemented master semaphore to secure concurrent access from ioctls, state machine and realtime interface.
Florian Pose <fp@igh-essen.com>
parents: 1055
diff changeset
  1984
    up(&master->master_sem);
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1985
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1986
    // restart EoE process and master thread with new locking
1914
da7adbde2625 Fixed possible bug in EoE code: Only restart EoE process, when it was running
Florian Pose <fp@igh-essen.com>
parents: 1909
diff changeset
  1987
da7adbde2625 Fixed possible bug in EoE code: Only restart EoE process, when it was running
Florian Pose <fp@igh-essen.com>
parents: 1909
diff changeset
  1988
    ec_master_thread_stop(master);
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
  1989
#ifdef EC_EOE
1914
da7adbde2625 Fixed possible bug in EoE code: Only restart EoE process, when it was running
Florian Pose <fp@igh-essen.com>
parents: 1909
diff changeset
  1990
    eoe_was_running = master->eoe_thread != NULL;
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1991
    ec_master_eoe_stop(master);
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
  1992
#endif
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1993
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  1994
    EC_MASTER_DBG(master, 1, "FSM datagram is %p.\n", &master->fsm_datagram);
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1995
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1996
    master->injection_seq_fsm = 0;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1997
    master->injection_seq_rt = 0;
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  1998
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  1999
    master->send_cb = master->app_send_cb;
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2000
    master->receive_cb = master->app_receive_cb;
1513
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1507
diff changeset
  2001
    master->cb_data = master->app_cb_data;
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  2002
    
1914
da7adbde2625 Fixed possible bug in EoE code: Only restart EoE process, when it was running
Florian Pose <fp@igh-essen.com>
parents: 1909
diff changeset
  2003
#ifdef EC_EOE
da7adbde2625 Fixed possible bug in EoE code: Only restart EoE process, when it was running
Florian Pose <fp@igh-essen.com>
parents: 1909
diff changeset
  2004
    if (eoe_was_running) {
da7adbde2625 Fixed possible bug in EoE code: Only restart EoE process, when it was running
Florian Pose <fp@igh-essen.com>
parents: 1909
diff changeset
  2005
        ec_master_eoe_start(master);
da7adbde2625 Fixed possible bug in EoE code: Only restart EoE process, when it was running
Florian Pose <fp@igh-essen.com>
parents: 1909
diff changeset
  2006
    }
da7adbde2625 Fixed possible bug in EoE code: Only restart EoE process, when it was running
Florian Pose <fp@igh-essen.com>
parents: 1909
diff changeset
  2007
#endif
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
  2008
    ret = ec_master_thread_start(master, ec_master_operation_thread,
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
  2009
                "EtherCAT-OP");
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
  2010
    if (ret < 0) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2011
        EC_MASTER_ERR(master, "Failed to start master thread!\n");
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
  2012
        return ret;
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2013
    }
902
ad703091a32b Moved setting of the allow flags.
Florian Pose <fp@igh-essen.com>
parents: 901
diff changeset
  2014
ad703091a32b Moved setting of the allow flags.
Florian Pose <fp@igh-essen.com>
parents: 901
diff changeset
  2015
    master->allow_scan = 1; // allow re-scanning on topology change
1530
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2016
    master->active = 1;
1925
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  2017
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  2018
    // notify state machine, that the configuration shall now be applied
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  2019
    master->config_changed = 1;
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  2020
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2021
    return 0;
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2022
}
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2023
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2024
/*****************************************************************************/
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2025
1530
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2026
void ecrt_master_deactivate(ec_master_t *master)
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2027
{
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2028
    ec_slave_t *slave;
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2029
#ifdef EC_EOE
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2030
    ec_eoe_t *eoe;
1914
da7adbde2625 Fixed possible bug in EoE code: Only restart EoE process, when it was running
Florian Pose <fp@igh-essen.com>
parents: 1909
diff changeset
  2031
    int eoe_was_running;
1530
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2032
#endif
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2033
1939
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
  2034
    EC_MASTER_DBG(master, 1, "%s(master = 0x%p)\n", __func__, master);
1530
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2035
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2036
    if (!master->active) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2037
        EC_MASTER_WARN(master, "%s: Master not active.\n", __func__);
1530
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2038
        return;
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2039
    }
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2040
1914
da7adbde2625 Fixed possible bug in EoE code: Only restart EoE process, when it was running
Florian Pose <fp@igh-essen.com>
parents: 1909
diff changeset
  2041
    ec_master_thread_stop(master);
1530
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2042
#ifdef EC_EOE
1914
da7adbde2625 Fixed possible bug in EoE code: Only restart EoE process, when it was running
Florian Pose <fp@igh-essen.com>
parents: 1909
diff changeset
  2043
    eoe_was_running = master->eoe_thread != NULL;
1530
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2044
    ec_master_eoe_stop(master);
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2045
#endif
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2046
    
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2047
    master->send_cb = ec_master_internal_send_cb;
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2048
    master->receive_cb = ec_master_internal_receive_cb;
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2049
    master->cb_data = master;
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2050
    
1939
1ba48f78a0a5 Fixed bug that caused the configuration not to be cleared when reserved but
Florian Pose <fp@igh-essen.com>
parents: 1930
diff changeset
  2051
    ec_master_clear_config(master);
1530
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2052
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2053
    for (slave = master->slaves;
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2054
            slave < master->slaves + master->slave_count;
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2055
            slave++) {
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2056
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2057
        // set states for all slaves
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2058
        ec_slave_request_state(slave, EC_SLAVE_STATE_PREOP);
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2059
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2060
        // mark for reconfiguration, because the master could have no
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2061
        // possibility for a reconfiguration between two sequential operation
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2062
        // phases.
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2063
        slave->force_config = 1;
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2064
    }
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2065
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2066
#ifdef EC_EOE
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2067
    // ... but leave EoE slaves in OP
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2068
    list_for_each_entry(eoe, &master->eoe_handlers, list) {
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2069
        if (ec_eoe_is_open(eoe))
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2070
            ec_slave_request_state(eoe->slave, EC_SLAVE_STATE_OP);
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2071
    }
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2072
#endif
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2073
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2074
    master->app_time = 0ULL;
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2075
    master->app_start_time = 0ULL;
1925
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  2076
    master->has_app_time = 0;
1530
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2077
1914
da7adbde2625 Fixed possible bug in EoE code: Only restart EoE process, when it was running
Florian Pose <fp@igh-essen.com>
parents: 1909
diff changeset
  2078
#ifdef EC_EOE
da7adbde2625 Fixed possible bug in EoE code: Only restart EoE process, when it was running
Florian Pose <fp@igh-essen.com>
parents: 1909
diff changeset
  2079
    if (eoe_was_running) {
da7adbde2625 Fixed possible bug in EoE code: Only restart EoE process, when it was running
Florian Pose <fp@igh-essen.com>
parents: 1909
diff changeset
  2080
        ec_master_eoe_start(master);
da7adbde2625 Fixed possible bug in EoE code: Only restart EoE process, when it was running
Florian Pose <fp@igh-essen.com>
parents: 1909
diff changeset
  2081
    }
da7adbde2625 Fixed possible bug in EoE code: Only restart EoE process, when it was running
Florian Pose <fp@igh-essen.com>
parents: 1909
diff changeset
  2082
#endif
1530
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2083
    if (ec_master_thread_start(master, ec_master_idle_thread,
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2084
                "EtherCAT-IDLE"))
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2085
        EC_MASTER_WARN(master, "Failed to restart master thread!\n");
1530
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2086
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2087
    master->allow_scan = 1;
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2088
    master->active = 0;
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2089
}
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2090
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2091
/*****************************************************************************/
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2092
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2093
void ecrt_master_send(ec_master_t *master)
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2094
{
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2095
    ec_datagram_t *datagram, *n;
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2096
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2097
    if (master->injection_seq_rt != master->injection_seq_fsm) {
1583
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1580
diff changeset
  2098
        // inject datagrams produced by master & slave FSMs
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2099
        ec_master_queue_datagram(master, &master->fsm_datagram);
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2100
        master->injection_seq_rt = master->injection_seq_fsm;
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2101
    }
2178
3afde1f58e1a Removed unnecessary call of ec_master_inject_external_datagrams().
Florian Pose <fp@igh-essen.com>
parents: 2169
diff changeset
  2102
1597
491dea6f4fd7 Moved FOE request queue and fsm into slaves
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1596
diff changeset
  2103
    ec_master_inject_external_datagrams(master);
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2104
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2105
    if (unlikely(!master->main_device.link_state)) {
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2106
        // link is down, no datagram can be sent
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2107
        list_for_each_entry_safe(datagram, n, &master->datagram_queue, queue) {
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2108
            datagram->state = EC_DATAGRAM_ERROR;
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2109
            list_del_init(&datagram->queue);
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2110
        }
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2111
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2112
        // query link state
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2113
        ec_device_poll(&master->main_device);
1856
10175d5f35ea Fixed clearing frame statistics on link down.
Florian Pose <fp@igh-essen.com>
parents: 1848
diff changeset
  2114
10175d5f35ea Fixed clearing frame statistics on link down.
Florian Pose <fp@igh-essen.com>
parents: 1848
diff changeset
  2115
        // clear frame statistics
10175d5f35ea Fixed clearing frame statistics on link down.
Florian Pose <fp@igh-essen.com>
parents: 1848
diff changeset
  2116
        ec_device_clear_stats(&master->main_device);
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2117
        return;
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2118
    }
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2119
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2120
    // send frames
1804
742607c464c4 Removed tabulators.
Florian Pose <fp@igh-essen.com>
parents: 1774
diff changeset
  2121
    ec_master_send_datagrams(master);
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2122
}
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2123
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2124
/*****************************************************************************/
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2125
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2126
void ecrt_master_receive(ec_master_t *master)
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2127
{
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2128
    ec_datagram_t *datagram, *next;
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2129
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2130
    // receive datagrams
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2131
    ec_device_poll(&master->main_device);
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2132
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2133
    // dequeue all datagrams that timed out
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2134
    list_for_each_entry_safe(datagram, next, &master->datagram_queue, queue) {
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2135
        if (datagram->state != EC_DATAGRAM_SENT) continue;
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2136
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
  2137
#ifdef EC_HAVE_CYCLES
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2138
        if (master->main_device.cycles_poll - datagram->cycles_sent
1279
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
  2139
                > timeout_cycles) {
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
  2140
#else
1279
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
  2141
        if (master->main_device.jiffies_poll - datagram->jiffies_sent
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
  2142
                > timeout_jiffies) {
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
  2143
#endif
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2144
            list_del_init(&datagram->queue);
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2145
            datagram->state = EC_DATAGRAM_TIMED_OUT;
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2146
            master->stats.timeouts++;
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2147
            ec_master_output_stats(master);
684
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
  2148
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
  2149
            if (unlikely(master->debug_level > 0)) {
1237
33e8349b44bd Avoided using #ifdef inside a macro.
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
  2150
                unsigned int time_us;
33e8349b44bd Avoided using #ifdef inside a macro.
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
  2151
#ifdef EC_HAVE_CYCLES
33e8349b44bd Avoided using #ifdef inside a macro.
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
  2152
                time_us = (unsigned int) (master->main_device.cycles_poll -
33e8349b44bd Avoided using #ifdef inside a macro.
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
  2153
                        datagram->cycles_sent) * 1000 / cpu_khz;
33e8349b44bd Avoided using #ifdef inside a macro.
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
  2154
#else
1279
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
  2155
                time_us = (unsigned int) ((master->main_device.jiffies_poll -
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
Florian Pose <fp@igh-essen.com>
parents: 1252
diff changeset
  2156
                            datagram->jiffies_sent) * 1000000 / HZ);
1237
33e8349b44bd Avoided using #ifdef inside a macro.
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
  2157
#endif
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2158
                EC_MASTER_DBG(master, 0, "TIMED OUT datagram %p,"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2159
                        " index %02X waited %u us.\n",
1543
373cd456dc26 Avoid warnings on x86_64 platform. Thanks to Thomas Elste.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2160
                        datagram, datagram->index, time_us);
684
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
  2161
            }
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2162
        }
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2163
    }
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2164
}
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2165
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2166
/*****************************************************************************/
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  2167
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2168
void ecrt_master_send_ext(ec_master_t *master)
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2169
{
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2170
    ec_datagram_t *datagram, *next;
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2171
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2172
    list_for_each_entry_safe(datagram, next, &master->ext_datagram_queue,
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2173
            queue) {
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2174
        list_del(&datagram->queue);
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2175
        ec_master_queue_datagram(master, datagram);
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2176
    }
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2177
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2178
    ecrt_master_send(master);
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2179
}
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2180
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2181
/*****************************************************************************/
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2182
1332
d62633fea8ed merge -c1610 branches/stable-1.4: Added missing doxygen docs.
Florian Pose <fp@igh-essen.com>
parents: 1329
diff changeset
  2183
/** Same as ecrt_master_slave_config(), but with ERR_PTR() return value.
d62633fea8ed merge -c1610 branches/stable-1.4: Added missing doxygen docs.
Florian Pose <fp@igh-essen.com>
parents: 1329
diff changeset
  2184
 */
1312
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  2185
ec_slave_config_t *ecrt_master_slave_config_err(ec_master_t *master,
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2186
        uint16_t alias, uint16_t position, uint32_t vendor_id,
1010
6672b86e7b10 Reverted revision number checking from r1228.
Florian Pose <fp@igh-essen.com>
parents: 1009
diff changeset
  2187
        uint32_t product_code)
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2188
{
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2189
    ec_slave_config_t *sc;
697
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  2190
    unsigned int found = 0;
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  2191
1181
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  2192
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2193
    EC_MASTER_DBG(master, 1, "ecrt_master_slave_config(master = 0x%p,"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2194
            " alias = %u, position = %u, vendor_id = 0x%08x,"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2195
            " product_code = 0x%08x)\n",
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2196
            master, alias, position, vendor_id, product_code);
1181
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  2197
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2198
    list_for_each_entry(sc, &master->configs, list) {
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2199
        if (sc->alias == alias && sc->position == position) {
697
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  2200
            found = 1;
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  2201
            break;
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  2202
        }
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  2203
    }
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  2204
1024
fef0b1953770 Minor change.
Florian Pose <fp@igh-essen.com>
parents: 1023
diff changeset
  2205
    if (found) { // config with same alias/position already existing
1010
6672b86e7b10 Reverted revision number checking from r1228.
Florian Pose <fp@igh-essen.com>
parents: 1009
diff changeset
  2206
        if (sc->vendor_id != vendor_id || sc->product_code != product_code) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2207
            EC_MASTER_ERR(master, "Slave type mismatch. Slave was"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2208
                    " configured as 0x%08X/0x%08X before. Now configuring"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2209
                    " with 0x%08X/0x%08X.\n", sc->vendor_id, sc->product_code,
1010
6672b86e7b10 Reverted revision number checking from r1228.
Florian Pose <fp@igh-essen.com>
parents: 1009
diff changeset
  2210
                    vendor_id, product_code);
1312
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  2211
            return ERR_PTR(-ENOENT);
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2212
        }
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2213
    } else {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2214
        EC_MASTER_DBG(master, 1, "Creating slave configuration for %u:%u,"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2215
                " 0x%08X/0x%08X.\n",
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2216
                alias, position, vendor_id, product_code);
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2217
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2218
        if (!(sc = (ec_slave_config_t *) kmalloc(sizeof(ec_slave_config_t),
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2219
                        GFP_KERNEL))) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2220
            EC_MASTER_ERR(master, "Failed to allocate memory"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2221
                    " for slave configuration.\n");
1312
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  2222
            return ERR_PTR(-ENOMEM);
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2223
        }
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2224
995
54149a703c47 Removed kobject from slave_config.
Florian Pose <fp@igh-essen.com>
parents: 994
diff changeset
  2225
        ec_slave_config_init(sc, master,
1010
6672b86e7b10 Reverted revision number checking from r1228.
Florian Pose <fp@igh-essen.com>
parents: 1009
diff changeset
  2226
                alias, position, vendor_id, product_code);
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2227
1075
94c6e36e0f8d Implemented master semaphore to secure concurrent access from ioctls, state machine and realtime interface.
Florian Pose <fp@igh-essen.com>
parents: 1055
diff changeset
  2228
        down(&master->master_sem);
94c6e36e0f8d Implemented master semaphore to secure concurrent access from ioctls, state machine and realtime interface.
Florian Pose <fp@igh-essen.com>
parents: 1055
diff changeset
  2229
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2230
        // try to find the addressed slave
1055
2be8918682fa Store sync manager configurations in ec_slave_config_t instead of Pdo
Florian Pose <fp@igh-essen.com>
parents: 1047
diff changeset
  2231
        ec_slave_config_attach(sc);
2be8918682fa Store sync manager configurations in ec_slave_config_t instead of Pdo
Florian Pose <fp@igh-essen.com>
parents: 1047
diff changeset
  2232
        ec_slave_config_load_default_sync_config(sc);
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2233
        list_add_tail(&sc->list, &master->configs);
1075
94c6e36e0f8d Implemented master semaphore to secure concurrent access from ioctls, state machine and realtime interface.
Florian Pose <fp@igh-essen.com>
parents: 1055
diff changeset
  2234
94c6e36e0f8d Implemented master semaphore to secure concurrent access from ioctls, state machine and realtime interface.
Florian Pose <fp@igh-essen.com>
parents: 1055
diff changeset
  2235
        up(&master->master_sem);
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2236
    }
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2237
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2238
    return sc;
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2239
}
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2240
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2241
/*****************************************************************************/
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2242
1312
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  2243
ec_slave_config_t *ecrt_master_slave_config(ec_master_t *master,
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  2244
        uint16_t alias, uint16_t position, uint32_t vendor_id,
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  2245
        uint32_t product_code)
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  2246
{
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  2247
    ec_slave_config_t *sc = ecrt_master_slave_config_err(master, alias,
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  2248
            position, vendor_id, product_code);
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  2249
    return IS_ERR(sc) ? NULL : sc;
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  2250
}
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  2251
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  2252
/*****************************************************************************/
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  2253
1594
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2254
int ecrt_master(ec_master_t *master, ec_master_info_t *master_info)
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2255
{
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2256
    EC_MASTER_DBG(master, 1, "ecrt_master(master = 0x%p,"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2257
            " master_info = 0x%p)\n", master, master_info);
1594
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2258
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2259
    master_info->slave_count = master->slave_count;
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2260
    master_info->link_up = master->main_device.link_state;
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2261
    master_info->scan_busy = master->scan_busy;
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2262
    master_info->app_time = master->app_time;
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2263
    return 0;
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2264
}
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2265
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2266
/*****************************************************************************/
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2267
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2268
int ecrt_master_get_slave(ec_master_t *master, uint16_t slave_position,
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2269
        ec_slave_info_t *slave_info)
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2270
{
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2271
    const ec_slave_t *slave;
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2272
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2273
    if (down_interruptible(&master->master_sem)) {
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2274
        return -EINTR;
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2275
    }
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2276
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2277
    slave = ec_master_find_slave_const(master, 0, slave_position);
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2278
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2279
    slave_info->position = slave->ring_position;
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2280
    slave_info->vendor_id = slave->sii.vendor_id;
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2281
    slave_info->product_code = slave->sii.product_code;
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2282
    slave_info->revision_number = slave->sii.revision_number;
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2283
    slave_info->serial_number = slave->sii.serial_number;
1909
ea3eb4c74c1b Introduced effective_alias variable to separate reg12 alias from SII alias.
Florian Pose <fp@igh-essen.com>
parents: 1906
diff changeset
  2284
    slave_info->alias = slave->effective_alias;
1594
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2285
    slave_info->current_on_ebus = slave->sii.current_on_ebus;
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2286
    slave_info->al_state = slave->current_state;
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2287
    slave_info->error_flag = slave->error_flag;
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2288
    slave_info->sync_count = slave->sii.sync_count;
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2289
    slave_info->sdo_count = ec_slave_sdo_count(slave);
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2290
    if (slave->sii.name) {
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2291
        strncpy(slave_info->name, slave->sii.name, EC_MAX_STRING_LENGTH);
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2292
    } else {
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2293
        slave_info->name[0] = 0;
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2294
    }
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2295
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2296
    up(&master->master_sem);
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2297
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2298
    return 0;
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2299
}
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2300
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2301
/*****************************************************************************/
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2302
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2303
void ecrt_master_callbacks(ec_master_t *master,
1513
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1507
diff changeset
  2304
        void (*send_cb)(void *), void (*receive_cb)(void *), void *cb_data)
204
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  2305
{
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2306
    EC_MASTER_DBG(master, 1, "ecrt_master_callbacks(master = 0x%p,"
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2307
            " send_cb = 0x%p, receive_cb = 0x%p, cb_data = 0x%p)\n",
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1914
diff changeset
  2308
            master, send_cb, receive_cb, cb_data);
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2309
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2310
    master->app_send_cb = send_cb;
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2311
    master->app_receive_cb = receive_cb;
1513
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1507
diff changeset
  2312
    master->app_cb_data = cb_data;
204
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  2313
}
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  2314
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  2315
/*****************************************************************************/
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  2316
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2317
void ecrt_master_state(const ec_master_t *master, ec_master_state_t *state)
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2318
{
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2319
    state->slaves_responding = master->fsm.slaves_responding;
1022
8e49b519e6ba Implemented ecrt_slave_config_state(); minor changes in
Florian Pose <fp@igh-essen.com>
parents: 1018
diff changeset
  2320
    state->al_states = master->fsm.slave_states;
1018
e068da25639d Completed master states.
Richard Hacker <ha@igh-essen.com>
parents: 1015
diff changeset
  2321
    state->link_up = master->main_device.link_state;
612
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  2322
}
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  2323
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  2324
/*****************************************************************************/
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  2325
1434
4c6fe0ae37f1 Separated application time from synchronizing reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1426
diff changeset
  2326
void ecrt_master_application_time(ec_master_t *master, uint64_t app_time)
1417
7c2d5d69134c Replaced timeval by 64-bit EtherCAT time.
Florian Pose <fp@igh-essen.com>
parents: 1415
diff changeset
  2327
{
7c2d5d69134c Replaced timeval by 64-bit EtherCAT time.
Florian Pose <fp@igh-essen.com>
parents: 1415
diff changeset
  2328
    master->app_time = app_time;
1436
08eaf72409bb Use application start time as a common reference for cyclic generation
Florian Pose <fp@igh-essen.com>
parents: 1434
diff changeset
  2329
1925
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  2330
    if (unlikely(!master->has_app_time)) {
1436
08eaf72409bb Use application start time as a common reference for cyclic generation
Florian Pose <fp@igh-essen.com>
parents: 1434
diff changeset
  2331
        master->app_start_time = app_time;
1925
29161abef052 Write DC system time offsets right after slave scan / config change. Wait for DC clock discipline.
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
  2332
        master->has_app_time = 1;
1436
08eaf72409bb Use application start time as a common reference for cyclic generation
Florian Pose <fp@igh-essen.com>
parents: 1434
diff changeset
  2333
    }
1434
4c6fe0ae37f1 Separated application time from synchronizing reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1426
diff changeset
  2334
}
4c6fe0ae37f1 Separated application time from synchronizing reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1426
diff changeset
  2335
4c6fe0ae37f1 Separated application time from synchronizing reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1426
diff changeset
  2336
/*****************************************************************************/
4c6fe0ae37f1 Separated application time from synchronizing reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1426
diff changeset
  2337
4c6fe0ae37f1 Separated application time from synchronizing reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1426
diff changeset
  2338
void ecrt_master_sync_reference_clock(ec_master_t *master)
4c6fe0ae37f1 Separated application time from synchronizing reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1426
diff changeset
  2339
{
1396
9d04cc08f40f DC sync reference clock to application time. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1394
diff changeset
  2340
    EC_WRITE_U32(master->ref_sync_datagram.data, master->app_time);
9d04cc08f40f DC sync reference clock to application time. TBC...
Florian Pose <fp@igh-essen.com>
parents: 1394
diff changeset
  2341
    ec_master_queue_datagram(master, &master->ref_sync_datagram);
1410
fb6719008bf5 Separated sync_reference_clock() and sync_slave_clocks().
Florian Pose <fp@igh-essen.com>
parents: 1408
diff changeset
  2342
}
fb6719008bf5 Separated sync_reference_clock() and sync_slave_clocks().
Florian Pose <fp@igh-essen.com>
parents: 1408
diff changeset
  2343
fb6719008bf5 Separated sync_reference_clock() and sync_slave_clocks().
Florian Pose <fp@igh-essen.com>
parents: 1408
diff changeset
  2344
/*****************************************************************************/
fb6719008bf5 Separated sync_reference_clock() and sync_slave_clocks().
Florian Pose <fp@igh-essen.com>
parents: 1408
diff changeset
  2345
fb6719008bf5 Separated sync_reference_clock() and sync_slave_clocks().
Florian Pose <fp@igh-essen.com>
parents: 1408
diff changeset
  2346
void ecrt_master_sync_slave_clocks(ec_master_t *master)
fb6719008bf5 Separated sync_reference_clock() and sync_slave_clocks().
Florian Pose <fp@igh-essen.com>
parents: 1408
diff changeset
  2347
{
1394
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
  2348
    ec_datagram_zero(&master->sync_datagram);
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
  2349
    ec_master_queue_datagram(master, &master->sync_datagram);
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
  2350
}
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
  2351
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
  2352
/*****************************************************************************/
e77728ddf0f9 Introduced ecrt_master_sync() for synchronizing slave clocks to reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1388
diff changeset
  2353
1535
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2354
void ecrt_master_sync_monitor_queue(ec_master_t *master)
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2355
{
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2356
    ec_datagram_zero(&master->sync_mon_datagram);
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2357
    ec_master_queue_datagram(master, &master->sync_mon_datagram);
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2358
}
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2359
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2360
/*****************************************************************************/
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2361
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2362
uint32_t ecrt_master_sync_monitor_process(ec_master_t *master)
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2363
{
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2364
    if (master->sync_mon_datagram.state == EC_DATAGRAM_RECEIVED) {
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2365
        return EC_READ_U32(master->sync_mon_datagram.data) & 0x7fffffff;
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2366
    } else {
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2367
        return 0xffffffff;
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2368
    }
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2369
}
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2370
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2371
/*****************************************************************************/
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2372
2109
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2373
int ecrt_master_sdo_download(ec_master_t *master, uint16_t slave_position,
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2374
        uint16_t index, uint8_t subindex, uint8_t *data,
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2375
        size_t data_size, uint32_t *abort_code)
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2376
{
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2377
    ec_master_sdo_request_t request;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2378
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2379
    EC_MASTER_DBG(master, 1, "%s(master = 0x%p,"
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2380
            " slave_position = %u, index = 0x%04X, subindex = 0x%02X,"
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2381
            " data = 0x%p, data_size = %zu, abort_code = 0x%p)\n",
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2382
            __func__, master, slave_position, index, subindex,
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2383
            data, data_size, abort_code);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2384
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2385
    if (!data_size) {
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2386
        EC_MASTER_ERR(master, "Zero data size!\n");
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2387
        return -EINVAL;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2388
    }
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2389
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2390
    ec_sdo_request_init(&request.req);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2391
    ec_sdo_request_address(&request.req, index, subindex);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2392
    if (ec_sdo_request_alloc(&request.req, data_size)) {
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2393
        ec_sdo_request_clear(&request.req);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2394
        return -ENOMEM;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2395
    }
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2396
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2397
    memcpy(request.req.data, data, data_size);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2398
    request.req.data_size = data_size;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2399
    ecrt_sdo_request_write(&request.req);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2400
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2401
    if (down_interruptible(&master->master_sem))
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2402
        return -EINTR;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2403
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2404
    if (!(request.slave = ec_master_find_slave(master, 0, slave_position))) {
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2405
        up(&master->master_sem);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2406
        EC_MASTER_ERR(master, "Slave %u does not exist!\n", slave_position);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2407
        ec_sdo_request_clear(&request.req);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2408
        return -EINVAL;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2409
    }
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2410
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2411
    EC_SLAVE_DBG(request.slave, 1, "Schedule SDO download request.\n");
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2412
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2413
    // schedule request.
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2414
    list_add_tail(&request.list, &request.slave->slave_sdo_requests);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2415
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2416
    up(&master->master_sem);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2417
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2418
    // wait for processing through FSM
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2419
    if (wait_event_interruptible(request.slave->sdo_queue,
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2420
                request.req.state != EC_INT_REQUEST_QUEUED)) {
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2421
        // interrupted by signal
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2422
        down(&master->master_sem);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2423
        if (request.req.state == EC_INT_REQUEST_QUEUED) {
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2424
            list_del(&request.list);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2425
            up(&master->master_sem);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2426
            ec_sdo_request_clear(&request.req);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2427
            return -EINTR;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2428
        }
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2429
        // request already processing: interrupt not possible.
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2430
        up(&master->master_sem);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2431
    }
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2432
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2433
    // wait until master FSM has finished processing
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2434
    wait_event(request.slave->sdo_queue,
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2435
            request.req.state != EC_INT_REQUEST_BUSY);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2436
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2437
    EC_SLAVE_DBG(request.slave, 1, "Finished SDO download request.\n");
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2438
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2439
    *abort_code = request.req.abort_code;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2440
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2441
    if (request.req.state == EC_INT_REQUEST_SUCCESS) {
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2442
        return 0;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2443
    } else if (request.req.errno) {
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2444
        return -request.req.errno;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2445
    } else {
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2446
        return -EIO;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2447
    }
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2448
}
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2449
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2450
/*****************************************************************************/
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2451
2124
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2452
int ecrt_master_sdo_download_complete(ec_master_t *master,
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2453
        uint16_t slave_position, uint16_t index, uint8_t *data,
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2454
        size_t data_size, uint32_t *abort_code)
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2455
{
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2456
    ec_master_sdo_request_t request;
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2457
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2458
    EC_MASTER_DBG(master, 1, "%s(master = 0x%p,"
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2459
            " slave_position = %u, index = 0x%04X,"
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2460
            " data = 0x%p, data_size = %zu, abort_code = 0x%p)\n",
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2461
            __func__, master, slave_position, index, data, data_size,
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2462
            abort_code);
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2463
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2464
    if (!data_size) {
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2465
        EC_MASTER_ERR(master, "Zero data size!\n");
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2466
        return -EINVAL;
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2467
    }
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2468
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2469
    ec_sdo_request_init(&request.req);
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2470
    ec_sdo_request_address(&request.req, index, 0);
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2471
    if (ec_sdo_request_alloc(&request.req, data_size)) {
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2472
        ec_sdo_request_clear(&request.req);
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2473
        return -ENOMEM;
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2474
    }
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2475
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2476
    request.req.complete_access = 1;
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2477
    memcpy(request.req.data, data, data_size);
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2478
    request.req.data_size = data_size;
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2479
    ecrt_sdo_request_write(&request.req);
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2480
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2481
    if (down_interruptible(&master->master_sem))
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2482
        return -EINTR;
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2483
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2484
    if (!(request.slave = ec_master_find_slave(master, 0, slave_position))) {
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2485
        up(&master->master_sem);
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2486
        EC_MASTER_ERR(master, "Slave %u does not exist!\n", slave_position);
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2487
        ec_sdo_request_clear(&request.req);
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2488
        return -EINVAL;
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2489
    }
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2490
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2491
    EC_SLAVE_DBG(request.slave, 1, "Schedule SDO download request"
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2492
            " (complete access).\n");
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2493
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2494
    // schedule request.
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2495
    list_add_tail(&request.list, &request.slave->slave_sdo_requests);
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2496
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2497
    up(&master->master_sem);
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2498
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2499
    // wait for processing through FSM
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2500
    if (wait_event_interruptible(request.slave->sdo_queue,
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2501
                request.req.state != EC_INT_REQUEST_QUEUED)) {
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2502
        // interrupted by signal
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2503
        down(&master->master_sem);
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2504
        if (request.req.state == EC_INT_REQUEST_QUEUED) {
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2505
            list_del(&request.list);
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2506
            up(&master->master_sem);
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2507
            ec_sdo_request_clear(&request.req);
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2508
            return -EINTR;
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2509
        }
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2510
        // request already processing: interrupt not possible.
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2511
        up(&master->master_sem);
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2512
    }
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2513
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2514
    // wait until master FSM has finished processing
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2515
    wait_event(request.slave->sdo_queue,
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2516
            request.req.state != EC_INT_REQUEST_BUSY);
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2517
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2518
    EC_SLAVE_DBG(request.slave, 1, "Finished SDO download request"
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2519
            " (complete access).\n");
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2520
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2521
    *abort_code = request.req.abort_code;
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2522
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2523
    if (request.req.state == EC_INT_REQUEST_SUCCESS) {
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2524
        return 0;
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2525
    } else if (request.req.errno) {
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2526
        return -request.req.errno;
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2527
    } else {
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2528
        return -EIO;
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2529
    }
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2530
}
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2531
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2532
/*****************************************************************************/
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2533
2109
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2534
int ecrt_master_sdo_upload(ec_master_t *master, uint16_t slave_position,
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2535
        uint16_t index, uint8_t subindex, uint8_t *target,
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2536
        size_t target_size, size_t *result_size, uint32_t *abort_code)
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2537
{
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2538
    ec_master_sdo_request_t request;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2539
    int retval = 0;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2540
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2541
    EC_MASTER_DBG(master, 1, "%s(master = 0x%p,"
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2542
            " slave_position = %u, index = 0x%04X, subindex = 0x%02X,"
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2543
            " target = 0x%p, target_size = %zu, result_size = 0x%p,"
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2544
            " abort_code = 0x%p)\n",
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2545
            __func__, master, slave_position, index, subindex,
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2546
            target, target_size, result_size, abort_code);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2547
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2548
    ec_sdo_request_init(&request.req);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2549
    ec_sdo_request_address(&request.req, index, subindex);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2550
    ecrt_sdo_request_read(&request.req);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2551
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2552
    if (down_interruptible(&master->master_sem)) {
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2553
        return -EINTR;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2554
    }
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2555
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2556
    if (!(request.slave = ec_master_find_slave(master, 0, slave_position))) {
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2557
        up(&master->master_sem);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2558
        ec_sdo_request_clear(&request.req);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2559
        EC_MASTER_ERR(master, "Slave %u does not exist!\n", slave_position);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2560
        return -EINVAL;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2561
    }
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2562
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2563
    EC_SLAVE_DBG(request.slave, 1, "Schedule SDO upload request.\n");
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2564
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2565
    // schedule request.
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2566
    list_add_tail(&request.list, &request.slave->slave_sdo_requests);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2567
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2568
    up(&master->master_sem);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2569
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2570
    // wait for processing through FSM
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2571
    if (wait_event_interruptible(request.slave->sdo_queue,
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2572
                request.req.state != EC_INT_REQUEST_QUEUED)) {
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2573
        // interrupted by signal
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2574
        down(&master->master_sem);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2575
        if (request.req.state == EC_INT_REQUEST_QUEUED) {
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2576
            list_del(&request.list);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2577
            up(&master->master_sem);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2578
            ec_sdo_request_clear(&request.req);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2579
            return -EINTR;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2580
        }
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2581
        // request already processing: interrupt not possible.
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2582
        up(&master->master_sem);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2583
    }
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2584
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2585
    // wait until master FSM has finished processing
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2586
    wait_event(request.slave->sdo_queue,
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2587
            request.req.state != EC_INT_REQUEST_BUSY);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2588
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2589
    EC_SLAVE_DBG(request.slave, 1, "Finished SDO upload request.\n");
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2590
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2591
    *abort_code = request.req.abort_code;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2592
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2593
    if (request.req.state != EC_INT_REQUEST_SUCCESS) {
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2594
        *result_size = 0;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2595
        if (request.req.errno) {
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2596
            retval = -request.req.errno;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2597
        } else {
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2598
            retval = -EIO;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2599
        }
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2600
    } else {
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2601
        if (request.req.data_size > target_size) {
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2602
            EC_MASTER_ERR(master, "Buffer too small.\n");
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2603
            ec_sdo_request_clear(&request.req);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2604
            return -EOVERFLOW;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2605
        }
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2606
        memcpy(target, request.req.data, request.req.data_size);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2607
        *result_size = request.req.data_size;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2608
    }
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2609
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2610
    ec_sdo_request_clear(&request.req);
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2611
    return retval;
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2612
}
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2613
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2614
/*****************************************************************************/
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2615
1947
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2616
int ecrt_master_write_idn(ec_master_t *master, uint16_t slave_position,
1952
7d9fb723fc4b Added drive_no parameter to SoE layer.
Florian Pose <fp@igh-essen.com>
parents: 1947
diff changeset
  2617
        uint8_t drive_no, uint16_t idn, uint8_t *data, size_t data_size,
7d9fb723fc4b Added drive_no parameter to SoE layer.
Florian Pose <fp@igh-essen.com>
parents: 1947
diff changeset
  2618
        uint16_t *error_code)
1947
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2619
{
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2620
    ec_master_soe_request_t request;
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2621
    int retval;
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2622
1952
7d9fb723fc4b Added drive_no parameter to SoE layer.
Florian Pose <fp@igh-essen.com>
parents: 1947
diff changeset
  2623
    if (drive_no > 7) {
7d9fb723fc4b Added drive_no parameter to SoE layer.
Florian Pose <fp@igh-essen.com>
parents: 1947
diff changeset
  2624
        EC_MASTER_ERR(master, "Invalid drive number!\n");
7d9fb723fc4b Added drive_no parameter to SoE layer.
Florian Pose <fp@igh-essen.com>
parents: 1947
diff changeset
  2625
        return -EINVAL;
7d9fb723fc4b Added drive_no parameter to SoE layer.
Florian Pose <fp@igh-essen.com>
parents: 1947
diff changeset
  2626
    }
7d9fb723fc4b Added drive_no parameter to SoE layer.
Florian Pose <fp@igh-essen.com>
parents: 1947
diff changeset
  2627
1947
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2628
    INIT_LIST_HEAD(&request.list);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2629
    ec_soe_request_init(&request.req);
1952
7d9fb723fc4b Added drive_no parameter to SoE layer.
Florian Pose <fp@igh-essen.com>
parents: 1947
diff changeset
  2630
    ec_soe_request_set_drive_no(&request.req, drive_no);
1947
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2631
    ec_soe_request_set_idn(&request.req, idn);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2632
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2633
    if (ec_soe_request_alloc(&request.req, data_size)) {
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2634
        ec_soe_request_clear(&request.req);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2635
        return -ENOMEM;
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2636
    }
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2637
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2638
    memcpy(request.req.data, data, data_size);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2639
    request.req.data_size = data_size;
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2640
    ec_soe_request_write(&request.req);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2641
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2642
    if (down_interruptible(&master->master_sem))
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2643
        return -EINTR;
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2644
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2645
    if (!(request.slave = ec_master_find_slave(
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2646
                    master, 0, slave_position))) {
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2647
        up(&master->master_sem);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2648
        EC_MASTER_ERR(master, "Slave %u does not exist!\n",
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2649
                slave_position);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2650
        ec_soe_request_clear(&request.req);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2651
        return -EINVAL;
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2652
    }
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2653
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2654
    EC_SLAVE_DBG(request.slave, 1, "Scheduling SoE write request.\n");
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2655
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2656
    // schedule SoE write request.
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2657
    list_add_tail(&request.list, &request.slave->soe_requests);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2658
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2659
    up(&master->master_sem);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2660
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2661
    // wait for processing through FSM
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2662
    if (wait_event_interruptible(request.slave->soe_queue,
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2663
                request.req.state != EC_INT_REQUEST_QUEUED)) {
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2664
        // interrupted by signal
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2665
        down(&master->master_sem);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2666
        if (request.req.state == EC_INT_REQUEST_QUEUED) {
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2667
            // abort request
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2668
            list_del(&request.list);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2669
            up(&master->master_sem);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2670
            ec_soe_request_clear(&request.req);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2671
            return -EINTR;
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2672
        }
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2673
        up(&master->master_sem);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2674
    }
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2675
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2676
    // wait until master FSM has finished processing
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2677
    wait_event(request.slave->soe_queue,
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2678
            request.req.state != EC_INT_REQUEST_BUSY);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2679
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2680
    if (error_code) {
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2681
        *error_code = request.req.error_code;
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2682
    }
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2683
    retval = request.req.state == EC_INT_REQUEST_SUCCESS ? 0 : -EIO;
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2684
    ec_soe_request_clear(&request.req);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2685
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2686
    return retval;
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2687
}
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2688
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2689
/*****************************************************************************/
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2690
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2691
int ecrt_master_read_idn(ec_master_t *master, uint16_t slave_position,
1952
7d9fb723fc4b Added drive_no parameter to SoE layer.
Florian Pose <fp@igh-essen.com>
parents: 1947
diff changeset
  2692
        uint8_t drive_no, uint16_t idn, uint8_t *target, size_t target_size,
1947
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2693
        size_t *result_size, uint16_t *error_code)
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2694
{
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2695
    ec_master_soe_request_t request;
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2696
1952
7d9fb723fc4b Added drive_no parameter to SoE layer.
Florian Pose <fp@igh-essen.com>
parents: 1947
diff changeset
  2697
    if (drive_no > 7) {
7d9fb723fc4b Added drive_no parameter to SoE layer.
Florian Pose <fp@igh-essen.com>
parents: 1947
diff changeset
  2698
        EC_MASTER_ERR(master, "Invalid drive number!\n");
7d9fb723fc4b Added drive_no parameter to SoE layer.
Florian Pose <fp@igh-essen.com>
parents: 1947
diff changeset
  2699
        return -EINVAL;
7d9fb723fc4b Added drive_no parameter to SoE layer.
Florian Pose <fp@igh-essen.com>
parents: 1947
diff changeset
  2700
    }
7d9fb723fc4b Added drive_no parameter to SoE layer.
Florian Pose <fp@igh-essen.com>
parents: 1947
diff changeset
  2701
1947
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2702
    INIT_LIST_HEAD(&request.list);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2703
    ec_soe_request_init(&request.req);
1952
7d9fb723fc4b Added drive_no parameter to SoE layer.
Florian Pose <fp@igh-essen.com>
parents: 1947
diff changeset
  2704
    ec_soe_request_set_drive_no(&request.req, drive_no);
1947
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2705
    ec_soe_request_set_idn(&request.req, idn);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2706
    ec_soe_request_read(&request.req);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2707
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2708
    if (down_interruptible(&master->master_sem))
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2709
        return -EINTR;
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2710
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2711
    if (!(request.slave = ec_master_find_slave(master, 0, slave_position))) {
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2712
        up(&master->master_sem);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2713
        ec_soe_request_clear(&request.req);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2714
        EC_MASTER_ERR(master, "Slave %u does not exist!\n", slave_position);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2715
        return -EINVAL;
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2716
    }
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2717
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2718
    // schedule request.
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2719
    list_add_tail(&request.list, &request.slave->soe_requests);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2720
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2721
    up(&master->master_sem);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2722
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2723
    EC_SLAVE_DBG(request.slave, 1, "Scheduled SoE read request.\n");
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2724
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2725
    // wait for processing through FSM
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2726
    if (wait_event_interruptible(request.slave->soe_queue,
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2727
                request.req.state != EC_INT_REQUEST_QUEUED)) {
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2728
        // interrupted by signal
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2729
        down(&master->master_sem);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2730
        if (request.req.state == EC_INT_REQUEST_QUEUED) {
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2731
            list_del(&request.list);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2732
            up(&master->master_sem);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2733
            ec_soe_request_clear(&request.req);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2734
            return -EINTR;
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2735
        }
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2736
        // request already processing: interrupt not possible.
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2737
        up(&master->master_sem);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2738
    }
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2739
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2740
    // wait until master FSM has finished processing
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2741
    wait_event(request.slave->soe_queue,
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2742
            request.req.state != EC_INT_REQUEST_BUSY);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2743
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2744
    if (error_code) {
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2745
        *error_code = request.req.error_code;
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2746
    }
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2747
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2748
    EC_SLAVE_DBG(request.slave, 1, "Read %zd bytes via SoE.\n",
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2749
            request.req.data_size);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2750
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2751
    if (request.req.state != EC_INT_REQUEST_SUCCESS) {
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2752
        if (result_size) {
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2753
            *result_size = 0;
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2754
        }
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2755
        ec_soe_request_clear(&request.req);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2756
        return -EIO;
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2757
    } else {
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2758
        if (request.req.data_size > target_size) {
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2759
            EC_MASTER_ERR(master, "Buffer too small.\n");
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2760
            ec_soe_request_clear(&request.req);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2761
            return -EOVERFLOW;
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2762
        }
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2763
        if (result_size) {
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2764
            *result_size = request.req.data_size;
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2765
        }
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2766
        memcpy(target, request.req.data, request.req.data_size);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2767
        return 0;
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2768
    }
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2769
}
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2770
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2771
/*****************************************************************************/
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2772
2009
b5391b329b5d Added ecrt_master_reset() method.
Florian Pose <fp@igh-essen.com>
parents: 1952
diff changeset
  2773
void ecrt_master_reset(ec_master_t *master)
b5391b329b5d Added ecrt_master_reset() method.
Florian Pose <fp@igh-essen.com>
parents: 1952
diff changeset
  2774
{
b5391b329b5d Added ecrt_master_reset() method.
Florian Pose <fp@igh-essen.com>
parents: 1952
diff changeset
  2775
    ec_slave_config_t *sc;
b5391b329b5d Added ecrt_master_reset() method.
Florian Pose <fp@igh-essen.com>
parents: 1952
diff changeset
  2776
b5391b329b5d Added ecrt_master_reset() method.
Florian Pose <fp@igh-essen.com>
parents: 1952
diff changeset
  2777
    list_for_each_entry(sc, &master->configs, list) {
b5391b329b5d Added ecrt_master_reset() method.
Florian Pose <fp@igh-essen.com>
parents: 1952
diff changeset
  2778
        if (sc->slave) {
b5391b329b5d Added ecrt_master_reset() method.
Florian Pose <fp@igh-essen.com>
parents: 1952
diff changeset
  2779
            ec_slave_request_state(sc->slave, EC_SLAVE_STATE_OP);
b5391b329b5d Added ecrt_master_reset() method.
Florian Pose <fp@igh-essen.com>
parents: 1952
diff changeset
  2780
        }
b5391b329b5d Added ecrt_master_reset() method.
Florian Pose <fp@igh-essen.com>
parents: 1952
diff changeset
  2781
    }
b5391b329b5d Added ecrt_master_reset() method.
Florian Pose <fp@igh-essen.com>
parents: 1952
diff changeset
  2782
}
b5391b329b5d Added ecrt_master_reset() method.
Florian Pose <fp@igh-essen.com>
parents: 1952
diff changeset
  2783
b5391b329b5d Added ecrt_master_reset() method.
Florian Pose <fp@igh-essen.com>
parents: 1952
diff changeset
  2784
/*****************************************************************************/
b5391b329b5d Added ecrt_master_reset() method.
Florian Pose <fp@igh-essen.com>
parents: 1952
diff changeset
  2785
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  2786
/** \cond */
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  2787
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  2788
EXPORT_SYMBOL(ecrt_master_create_domain);
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  2789
EXPORT_SYMBOL(ecrt_master_activate);
1530
96629de2202b Added ecrt_master_deactivate() to remove the bus configuration.
Florian Pose <fp@igh-essen.com>
parents: 1516
diff changeset
  2790
EXPORT_SYMBOL(ecrt_master_deactivate);
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  2791
EXPORT_SYMBOL(ecrt_master_send);
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1489
diff changeset
  2792
EXPORT_SYMBOL(ecrt_master_send_ext);
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  2793
EXPORT_SYMBOL(ecrt_master_receive);
206
60a10d85c20b Prepared EoE processing with workqueue.
Florian Pose <fp@igh-essen.com>
parents: 204
diff changeset
  2794
EXPORT_SYMBOL(ecrt_master_callbacks);
1594
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2795
EXPORT_SYMBOL(ecrt_master);
2019bec460ad Implemented ecrt_master() and ecrt_master_get_slave() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1586
diff changeset
  2796
EXPORT_SYMBOL(ecrt_master_get_slave);
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2797
EXPORT_SYMBOL(ecrt_master_slave_config);
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  2798
EXPORT_SYMBOL(ecrt_master_state);
1434
4c6fe0ae37f1 Separated application time from synchronizing reference clock.
Florian Pose <fp@igh-essen.com>
parents: 1426
diff changeset
  2799
EXPORT_SYMBOL(ecrt_master_application_time);
1410
fb6719008bf5 Separated sync_reference_clock() and sync_slave_clocks().
Florian Pose <fp@igh-essen.com>
parents: 1408
diff changeset
  2800
EXPORT_SYMBOL(ecrt_master_sync_reference_clock);
fb6719008bf5 Separated sync_reference_clock() and sync_slave_clocks().
Florian Pose <fp@igh-essen.com>
parents: 1408
diff changeset
  2801
EXPORT_SYMBOL(ecrt_master_sync_slave_clocks);
1535
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2802
EXPORT_SYMBOL(ecrt_master_sync_monitor_queue);
0c484ee12d89 DC synchrony monitoring methods.
Florian Pose <fp@igh-essen.com>
parents: 1530
diff changeset
  2803
EXPORT_SYMBOL(ecrt_master_sync_monitor_process);
2109
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2804
EXPORT_SYMBOL(ecrt_master_sdo_download);
2124
c4afc5fede19 Added ecrt_master_sdo_download_complete() for ad-hoc downloading SDOs (also
Florian Pose <fp@igh-essen.com>
parents: 2115
diff changeset
  2805
EXPORT_SYMBOL(ecrt_master_sdo_download_complete);
2109
755e6ce823f0 Implemented ecrt_master_sdo_upload() and ecrt_master_sdo_download() also for
Florian Pose <fp@igh-essen.com>
parents: 2085
diff changeset
  2806
EXPORT_SYMBOL(ecrt_master_sdo_upload);
1947
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2807
EXPORT_SYMBOL(ecrt_master_write_idn);
024a3c6aa3f7 Implemented ecrt_master_read_idn() and ecrt_master_write_idn() in kernel space.
Florian Pose <fp@igh-essen.com>
parents: 1939
diff changeset
  2808
EXPORT_SYMBOL(ecrt_master_read_idn);
2009
b5391b329b5d Added ecrt_master_reset() method.
Florian Pose <fp@igh-essen.com>
parents: 1952
diff changeset
  2809
EXPORT_SYMBOL(ecrt_master_reset);
42
a22a202d0f42 Domains, Warten beim Senden, 10kHz.
Florian Pose <fp@igh-essen.com>
parents: 39
diff changeset
  2810
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  2811
/** \endcond */
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  2812
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  2813
/*****************************************************************************/