master/master.c
author Florian Pose <fp@igh-essen.com>
Mon, 09 Mar 2009 09:10:05 +0000
changeset 1370 0625902b3904
parent 1369 61793d845ad6
child 1388 3c886ec376f5
permissions -rw-r--r--
Added 8139too driver for 2.6.27, thanks to M. Goetze.
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/******************************************************************************
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 *
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 *  $Id$
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 *
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 *  Copyright (C) 2006-2008  Florian Pose, Ingenieurgemeinschaft IgH
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 *
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 *  This file is part of the IgH EtherCAT Master.
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 *
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 *  The IgH EtherCAT Master is free software; you can redistribute it and/or
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 *  modify it under the terms of the GNU General Public License version 2, as
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 *  published by the Free Software Foundation.
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 *
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 *  The IgH EtherCAT Master is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
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 *  Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License along
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 *  with the IgH EtherCAT Master; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 *
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 *  ---
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 *
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 *  The license mentioned above concerns the source code only. Using the
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 *  EtherCAT technology and brand is only permitted in compliance with the
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 *  industrial property and similar rights of Beckhoff Automation GmbH.
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 *
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 *****************************************************************************/
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/**
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   \file
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   EtherCAT master methods.
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*/
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/*****************************************************************************/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/slab.h>
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#include <linux/delay.h>
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#include <linux/device.h>
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#include <linux/version.h>
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#include "globals.h"
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#include "slave.h"
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#include "slave_config.h"
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#include "device.h"
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#include "datagram.h"
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#ifdef EC_EOE
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#include "ethernet.h"
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#endif
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#include "master.h"
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/*****************************************************************************/
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#ifdef EC_HAVE_CYCLES
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/** Frame timeout in cycles.
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 */
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static cycles_t timeout_cycles;
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#else
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/** Frame timeout in jiffies.
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 */
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static unsigned long timeout_jiffies;
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#endif
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/*****************************************************************************/
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void ec_master_clear_slave_configs(ec_master_t *);
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void ec_master_clear_domains(ec_master_t *);
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static int ec_master_idle_thread(void *);
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static int ec_master_operation_thread(void *);
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#ifdef EC_EOE
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void ec_master_eoe_run(unsigned long);
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#endif
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/*****************************************************************************/
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/** Static variables initializer.
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*/
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void ec_master_init_static(void)
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{
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#ifdef EC_HAVE_CYCLES
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    timeout_cycles = (cycles_t) EC_IO_TIMEOUT /* us */ * (cpu_khz / 1000);
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#else
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    // one jiffy may always elapse between time measurement
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    timeout_jiffies = max(EC_IO_TIMEOUT * HZ / 1000000, 1);
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#endif
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}
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/*****************************************************************************/
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/**
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   Master constructor.
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   \return 0 in case of success, else < 0
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*/
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int ec_master_init(ec_master_t *master, /**< EtherCAT master */
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        unsigned int index, /**< master index */
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        const uint8_t *main_mac, /**< MAC address of main device */
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        const uint8_t *backup_mac, /**< MAC address of backup device */
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        dev_t device_number, /**< Character device number. */
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        struct class *class /**< Device class. */
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        )
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{
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    int ret;
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    master->index = index;
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    master->reserved = 0;
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    init_MUTEX(&master->master_sem);
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    master->main_mac = main_mac;
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    master->backup_mac = backup_mac;
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    init_MUTEX(&master->device_sem);
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    master->phase = EC_ORPHANED;
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    master->injection_seq_fsm = 0;
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    master->injection_seq_rt = 0;
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    master->slaves = NULL;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   126
    master->slave_count = 0;
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   127
    
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   128
    INIT_LIST_HEAD(&master->configs);
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   129
900
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   130
    master->scan_busy = 0;
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   131
    master->allow_scan = 1;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   132
    init_MUTEX(&master->scan_sem);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   133
    init_waitqueue_head(&master->scan_queue);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   134
900
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   135
    master->config_busy = 0;
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   136
    master->allow_config = 1;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   137
    init_MUTEX(&master->config_sem);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   138
    init_waitqueue_head(&master->config_queue);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   139
    
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   140
    INIT_LIST_HEAD(&master->datagram_queue);
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   141
    master->datagram_index = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   142
95
0066de7a456d Domains als Liste verwaltet.
Florian Pose <fp@igh-essen.com>
parents: 94
diff changeset
   143
    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
   144
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   145
    master->debug_level = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   146
    master->stats.timeouts = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   147
    master->stats.corrupted = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   148
    master->stats.unmatched = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   149
    master->stats.output_jiffies = 0;
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   150
    master->frames_timed_out = 0;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   151
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   152
    master->thread = NULL;
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   153
1041
42c9ac58d9ce Removed state machine cycle time measuring.
Florian Pose <fp@igh-essen.com>
parents: 1040
diff changeset
   154
#ifdef EC_EOE
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
   155
    init_timer(&master->eoe_timer);
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   156
    master->eoe_timer.function = ec_master_eoe_run;
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
   157
    master->eoe_timer.data = (unsigned long) master;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   158
    master->eoe_running = 0;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   159
    INIT_LIST_HEAD(&master->eoe_handlers);
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   160
#endif
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   161
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   162
    master->internal_lock = SPIN_LOCK_UNLOCKED;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   163
    master->request_cb = NULL;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   164
    master->release_cb = NULL;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   165
    master->cb_data = NULL;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   166
872
d4e0380d63b3 Renamed EEPROM to SII.
Florian Pose <fp@igh-essen.com>
parents: 861
diff changeset
   167
    INIT_LIST_HEAD(&master->sii_requests);
d4e0380d63b3 Renamed EEPROM to SII.
Florian Pose <fp@igh-essen.com>
parents: 861
diff changeset
   168
    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
   169
849
4b712ec8929d Removed slave pointer from ec_sdo_request_t class.
Florian Pose <fp@igh-essen.com>
parents: 814
diff changeset
   170
    INIT_LIST_HEAD(&master->slave_sdo_requests);
646
fbbd4e54e031 Implemented SDO reading with wait queues.
Florian Pose <fp@igh-essen.com>
parents: 643
diff changeset
   171
    init_waitqueue_head(&master->sdo_queue);
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   172
1200
ce1a65f06efc Added phy commands.
Florian Pose <fp@igh-essen.com>
parents: 1198
diff changeset
   173
    INIT_LIST_HEAD(&master->phy_requests);
ce1a65f06efc Added phy commands.
Florian Pose <fp@igh-essen.com>
parents: 1198
diff changeset
   174
    init_waitqueue_head(&master->phy_queue);
ce1a65f06efc Added phy commands.
Florian Pose <fp@igh-essen.com>
parents: 1198
diff changeset
   175
1335
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   176
    INIT_LIST_HEAD(&master->foe_requests);
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   177
    init_waitqueue_head(&master->foe_queue);
09c6fce1ae45 merge -c1616 branches/1.4-foe: Included FoE patch from Olav Zarges.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   178
579
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   179
    // init devices
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   180
    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
   181
    if (ret < 0)
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   182
        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
   183
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   184
    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
   185
    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
   186
        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
   187
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
   188
    // 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
   189
    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
   190
    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
   191
    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
   192
    if (ret < 0) {
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
   193
        EC_ERR("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
   194
        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
   195
    }
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
   196
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   197
    // 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
   198
    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
   199
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   200
    // init character device
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   201
    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
   202
    if (ret)
659
d7c5a958bad0 Removed unecessary clearing of EoE handlers in master init function;
Florian Pose <fp@igh-essen.com>
parents: 656
diff changeset
   203
        goto out_clear_fsm;
1013
52256b75f975 Create class device with device_number information in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1010
diff changeset
   204
    
1369
61793d845ad6 Preparations to compile against 2.6.27.
Florian Pose <fp@igh-essen.com>
parents: 1363
diff changeset
   205
#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
   206
    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
   207
            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
   208
            "EtherCAT%u", master->index);
61793d845ad6 Preparations to compile against 2.6.27.
Florian Pose <fp@igh-essen.com>
parents: 1363
diff changeset
   209
#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
   210
    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
   211
            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
   212
            "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
   213
#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
   214
    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
   215
            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
   216
            "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
   217
#else
1250
642048176899 Applied patch by Mario Witkowski to support the new class/device
Florian Pose <fp@igh-essen.com>
parents: 1245
diff changeset
   218
    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
   219
            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
   220
            "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
   221
#endif
1013
52256b75f975 Create class device with device_number information in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1010
diff changeset
   222
    if (IS_ERR(master->class_device)) {
52256b75f975 Create class device with device_number information in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1010
diff changeset
   223
        EC_ERR("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
   224
        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
   225
        goto out_clear_cdev;
52256b75f975 Create class device with device_number information in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1010
diff changeset
   226
    }
144
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
   227
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   228
    return 0;
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
   229
1013
52256b75f975 Create class device with device_number information in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1010
diff changeset
   230
out_clear_cdev:
52256b75f975 Create class device with device_number information in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1010
diff changeset
   231
    ec_cdev_clear(&master->cdev);
659
d7c5a958bad0 Removed unecessary clearing of EoE handlers in master init function;
Florian Pose <fp@igh-essen.com>
parents: 656
diff changeset
   232
out_clear_fsm:
d7c5a958bad0 Removed unecessary clearing of EoE handlers in master init function;
Florian Pose <fp@igh-essen.com>
parents: 656
diff changeset
   233
    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
   234
    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
   235
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
   236
    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
   237
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
   238
    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
   239
out_return:
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   240
    return ret;
0
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
}
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   242
39
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents: 35
diff changeset
   243
/*****************************************************************************/
0
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   245
/** Destructor.
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   246
*/
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   247
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
   248
        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
   249
        )
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   250
{
1250
642048176899 Applied patch by Mario Witkowski to support the new class/device
Florian Pose <fp@igh-essen.com>
parents: 1245
diff changeset
   251
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
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    device_unregister(master->class_device);
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#else
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52256b75f975 Create class device with device_number information in sysfs.
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    class_device_unregister(master->class_device);
1250
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#endif
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    ec_cdev_clear(&master->cdev);
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#ifdef EC_EOE
661
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    ec_master_clear_eoe_handlers(master);
715
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   259
#endif
994
e29edcced328 Clear domains before slave configs, because domain references the FMMU
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    ec_master_clear_domains(master);
995
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    ec_master_clear_slave_configs(master);
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    ec_master_clear_slaves(master);
528
f789bdd78b54 Layed out slave state machines in own files fsm_slave.[ch]; renamed fsm.[ch] to fsm_master.[ch]
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    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]
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   264
    ec_datagram_clear(&master->fsm_datagram);
661
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   265
    ec_device_clear(&master->backup_device);
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    ec_device_clear(&master->main_device);
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}
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/*****************************************************************************/
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#ifdef EC_EOE
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/** Clear and free all EoE handlers.
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 */
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void ec_master_clear_eoe_handlers(
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        ec_master_t *master /**< EtherCAT master */
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        )
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{
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    ec_eoe_t *eoe, *next;
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    list_for_each_entry_safe(eoe, next, &master->eoe_handlers, list) {
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
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        list_del(&eoe->list);
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        ec_eoe_clear(eoe);
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        kfree(eoe);
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   284
    }
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
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   285
}
715
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#endif
73
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9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
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/*****************************************************************************/
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   289
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/** Clear all slave configurations.
792
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   291
 */
995
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   292
void ec_master_clear_slave_configs(ec_master_t *master)
792
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{
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   294
    ec_slave_config_t *sc, *next;
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   296
    list_for_each_entry_safe(sc, next, &master->configs, list) {
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        list_del(&sc->list);
995
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   298
        ec_slave_config_clear(sc);
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        kfree(sc);
792
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   300
    }
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}
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/*****************************************************************************/
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/** Clear all slaves.
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 */
992
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void ec_master_clear_slaves(ec_master_t *master)
238
b4960499098f Added finite state machine (FSM) processing.
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{
1000
5746fdd1ca2e Store slaves in an array instead of a list.
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    ec_slave_t *slave;
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    for (slave = master->slaves;
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            slave < master->slaves + master->slave_count;
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            slave++) {
992
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   314
        ec_slave_clear(slave);
1004
990b89d8ad03 Fixed duplicate kfree() bug.
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   315
    }
990b89d8ad03 Fixed duplicate kfree() bug.
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   316
990b89d8ad03 Fixed duplicate kfree() bug.
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   317
    if (master->slaves) {
1000
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   318
        kfree(master->slaves);
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   319
        master->slaves = NULL;
1004
990b89d8ad03 Fixed duplicate kfree() bug.
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diff changeset
   320
    }
990b89d8ad03 Fixed duplicate kfree() bug.
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   321
990b89d8ad03 Fixed duplicate kfree() bug.
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diff changeset
   322
    master->slave_count = 0;
74
9bf603942791 Neues Slave-Interface, CRC-Pr?fung und mehrfaches Scannen nun ungef?hrlich.
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diff changeset
   323
}
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diff changeset
   324
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   325
/*****************************************************************************/
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   326
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   327
/** Clear all domains.
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   328
 */
993
8c32564252fd Removed kobject from domain.
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diff changeset
   329
void ec_master_clear_domains(ec_master_t *master)
448
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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   330
{
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
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   331
    ec_domain_t *domain, *next;
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
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   332
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
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   333
    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.
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diff changeset
   334
        list_del(&domain->list);
993
8c32564252fd Removed kobject from domain.
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diff changeset
   335
        ec_domain_clear(domain);
8c32564252fd Removed kobject from domain.
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diff changeset
   336
        kfree(domain);
448
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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diff changeset
   337
    }
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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diff changeset
   338
}
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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diff changeset
   339
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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diff changeset
   340
/*****************************************************************************/
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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   341
997
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   342
/** Internal locking callback.
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diff changeset
   343
 */
515
37aa1bfa0dee Internal locking callbacks, improved locking.
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diff changeset
   344
int ec_master_request_cb(void *master /**< callback data */)
37aa1bfa0dee Internal locking callbacks, improved locking.
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diff changeset
   345
{
37aa1bfa0dee Internal locking callbacks, improved locking.
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diff changeset
   346
    spin_lock(&((ec_master_t *) master)->internal_lock);
37aa1bfa0dee Internal locking callbacks, improved locking.
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diff changeset
   347
    return 0;
37aa1bfa0dee Internal locking callbacks, improved locking.
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diff changeset
   348
}
37aa1bfa0dee Internal locking callbacks, improved locking.
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diff changeset
   349
37aa1bfa0dee Internal locking callbacks, improved locking.
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   350
/*****************************************************************************/
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   351
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   352
/** Internal unlocking callback.
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diff changeset
   353
 */
515
37aa1bfa0dee Internal locking callbacks, improved locking.
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diff changeset
   354
void ec_master_release_cb(void *master /**< callback data */)
37aa1bfa0dee Internal locking callbacks, improved locking.
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diff changeset
   355
{
37aa1bfa0dee Internal locking callbacks, improved locking.
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diff changeset
   356
    spin_unlock(&((ec_master_t *) master)->internal_lock);
37aa1bfa0dee Internal locking callbacks, improved locking.
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diff changeset
   357
}
37aa1bfa0dee Internal locking callbacks, improved locking.
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diff changeset
   358
37aa1bfa0dee Internal locking callbacks, improved locking.
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diff changeset
   359
/*****************************************************************************/
37aa1bfa0dee Internal locking callbacks, improved locking.
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diff changeset
   360
997
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diff changeset
   361
/** Starts the master thread.
1313
ed15eef57d5c Improved error case return codes of many functions.
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diff changeset
   362
 *
ed15eef57d5c Improved error case return codes of many functions.
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diff changeset
   363
 * \retval  0 Success.
ed15eef57d5c Improved error case return codes of many functions.
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diff changeset
   364
 * \retval <0 Error code.
997
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diff changeset
   365
 */
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
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diff changeset
   366
int ec_master_thread_start(
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
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diff changeset
   367
        ec_master_t *master, /**< EtherCAT master */
1241
794cbccdcd00 Moved threads to kthread interface.
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parents: 1237
diff changeset
   368
        int (*thread_func)(void *), /**< thread function to start */
794cbccdcd00 Moved threads to kthread interface.
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diff changeset
   369
        const char *name /**< Thread name. */
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
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diff changeset
   370
        )
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
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diff changeset
   371
{
1241
794cbccdcd00 Moved threads to kthread interface.
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diff changeset
   372
    EC_INFO("Starting %s thread.\n", name);
794cbccdcd00 Moved threads to kthread interface.
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diff changeset
   373
    master->thread = kthread_run(thread_func, master, name);
794cbccdcd00 Moved threads to kthread interface.
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diff changeset
   374
    if (IS_ERR(master->thread)) {
1313
ed15eef57d5c Improved error case return codes of many functions.
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parents: 1312
diff changeset
   375
        int err = (int) PTR_ERR(master->thread);
ed15eef57d5c Improved error case return codes of many functions.
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parents: 1312
diff changeset
   376
        EC_ERR("Failed to start master thread (error %i)!\n", err);
1241
794cbccdcd00 Moved threads to kthread interface.
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diff changeset
   377
        master->thread = NULL;
1313
ed15eef57d5c Improved error case return codes of many functions.
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parents: 1312
diff changeset
   378
        return err;
1241
794cbccdcd00 Moved threads to kthread interface.
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diff changeset
   379
    }
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
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parents: 524
diff changeset
   380
    
8b20781bd1e0 Master workqueue replaced with kernel thread.
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parents: 524
diff changeset
   381
    return 0;
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parents: 524
diff changeset
   382
}
8b20781bd1e0 Master workqueue replaced with kernel thread.
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parents: 524
diff changeset
   383
8b20781bd1e0 Master workqueue replaced with kernel thread.
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parents: 524
diff changeset
   384
/*****************************************************************************/
8b20781bd1e0 Master workqueue replaced with kernel thread.
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parents: 524
diff changeset
   385
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
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parents: 995
diff changeset
   386
/** Stops the master thread.
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   387
 */
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   388
void ec_master_thread_stop(
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   389
        ec_master_t *master /**< EtherCAT master */
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   390
        )
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   391
{
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   392
    unsigned long sleep_jiffies;
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   393
    
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   394
    if (!master->thread) {
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   395
        EC_WARN("ec_master_thread_stop(): Already finished!\n");
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   396
        return;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   397
    }
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   398
1006
90db4c3de57b Added a few debugging messages.
Florian Pose <fp@igh-essen.com>
parents: 1004
diff changeset
   399
    if (master->debug_level)
90db4c3de57b Added a few debugging messages.
Florian Pose <fp@igh-essen.com>
parents: 1004
diff changeset
   400
        EC_DBG("Stopping master thread.\n");
90db4c3de57b Added a few debugging messages.
Florian Pose <fp@igh-essen.com>
parents: 1004
diff changeset
   401
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   402
    kthread_stop(master->thread);
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   403
    master->thread = NULL;
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   404
    EC_INFO("Master thread exited.\n");
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   405
1198
be606e9caba4 Fixed race concerning thread signaling when master thread had no
Florian Pose <fp@igh-essen.com>
parents: 1197
diff changeset
   406
    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
   407
        return;
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   408
    
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   409
    // wait for FSM datagram
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   410
    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
   411
    schedule_timeout(sleep_jiffies);
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   412
}
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   413
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   414
/*****************************************************************************/
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   415
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   416
/** Transition function from ORPHANED to IDLE phase.
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   417
 */
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   418
int ec_master_enter_idle_phase(
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   419
        ec_master_t *master /**< EtherCAT master */
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   420
        )
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   421
{
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   422
    int ret;
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   423
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
   424
    if (master->debug_level)
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
   425
        EC_DBG("ORPHANED -> IDLE.\n");
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
   426
515
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   427
    master->request_cb = ec_master_request_cb;
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   428
    master->release_cb = ec_master_release_cb;
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   429
    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
   430
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   431
    master->phase = EC_IDLE;
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   432
    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
   433
            "EtherCAT-IDLE");
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   434
    if (ret)
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   435
        master->phase = EC_ORPHANED;
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   436
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   437
    return ret;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   438
}
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   439
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   440
/*****************************************************************************/
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   441
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   442
/** Transition function from IDLE to ORPHANED phase.
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   443
 */
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   444
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
   445
{
1006
90db4c3de57b Added a few debugging messages.
Florian Pose <fp@igh-essen.com>
parents: 1004
diff changeset
   446
    if (master->debug_level)
90db4c3de57b Added a few debugging messages.
Florian Pose <fp@igh-essen.com>
parents: 1004
diff changeset
   447
        EC_DBG("IDLE -> ORPHANED.\n");
90db4c3de57b Added a few debugging messages.
Florian Pose <fp@igh-essen.com>
parents: 1004
diff changeset
   448
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   449
    master->phase = EC_ORPHANED;
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   450
    
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   451
#ifdef EC_EOE
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   452
    ec_master_eoe_stop(master);
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   453
#endif
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   454
    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
   455
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
   456
    down(&master->master_sem);
992
50a44cbd30af Removed kobjects from sdo and slave.
Florian Pose <fp@igh-essen.com>
parents: 990
diff changeset
   457
    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
   458
    up(&master->master_sem);
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   459
}
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   460
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   461
/*****************************************************************************/
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   462
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   463
/** Transition function from IDLE to OPERATION phase.
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   464
 */
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   465
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
   466
{
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   467
    int ret = 0;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   468
    ec_slave_t *slave;
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   469
#ifdef EC_EOE
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   470
    ec_eoe_t *eoe;
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   471
#endif
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   472
1006
90db4c3de57b Added a few debugging messages.
Florian Pose <fp@igh-essen.com>
parents: 1004
diff changeset
   473
    if (master->debug_level)
90db4c3de57b Added a few debugging messages.
Florian Pose <fp@igh-essen.com>
parents: 1004
diff changeset
   474
        EC_DBG("IDLE -> OPERATION.\n");
90db4c3de57b Added a few debugging messages.
Florian Pose <fp@igh-essen.com>
parents: 1004
diff changeset
   475
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   476
    down(&master->config_sem);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   477
    master->allow_config = 0; // temporarily disable slave configuration
900
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   478
    if (master->config_busy) {
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   479
        up(&master->config_sem);
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   480
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   481
        // 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
   482
        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
   483
                    !master->config_busy);
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   484
        if (ret) {
900
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   485
            EC_INFO("Finishing slave configuration interrupted by signal.\n");
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   486
            goto out_allow;
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   487
        }
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   488
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   489
        if (master->debug_level)
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   490
            EC_DBG("Waiting for pending slave configuration returned.\n");
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   491
    } else {
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   492
        up(&master->config_sem);
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   493
    }
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   494
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   495
    down(&master->scan_sem);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   496
    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
   497
    if (!master->scan_busy) {
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   498
        up(&master->scan_sem);
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   499
    } else {
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   500
        up(&master->scan_sem);
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   501
794
684dea874956 Allow bus configuration when link is down.
Florian Pose <fp@igh-essen.com>
parents: 792
diff changeset
   502
        // 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
   503
        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
   504
        if (ret) {
794
684dea874956 Allow bus configuration when link is down.
Florian Pose <fp@igh-essen.com>
parents: 792
diff changeset
   505
            EC_INFO("Waiting for slave scan interrupted by signal.\n");
684dea874956 Allow bus configuration when link is down.
Florian Pose <fp@igh-essen.com>
parents: 792
diff changeset
   506
            goto out_allow;
684dea874956 Allow bus configuration when link is down.
Florian Pose <fp@igh-essen.com>
parents: 792
diff changeset
   507
        }
900
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   508
        
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   509
        if (master->debug_level)
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   510
            EC_DBG("Waiting for pending slave scan returned.\n");
f8b5c6d21705 Removed bus validation; slave configuration during realtime operation;
Florian Pose <fp@igh-essen.com>
parents: 879
diff changeset
   511
    }
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   512
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   513
    // 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
   514
    for (slave = master->slaves;
5746fdd1ca2e Store slaves in an array instead of a list.
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   515
            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
   516
            slave++) {
643
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
   517
        ec_slave_request_state(slave, EC_SLAVE_STATE_PREOP);
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   518
    }
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   519
#ifdef EC_EOE
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   520
    // ... but set EoE slaves to OP
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   521
    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
   522
        if (ec_eoe_is_open(eoe))
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   523
            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
   524
    }
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   525
#endif
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   526
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   527
    master->phase = EC_OPERATION;
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   528
    master->ext_request_cb = NULL;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   529
    master->ext_release_cb = NULL;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   530
    master->ext_cb_data = NULL;
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   531
    return ret;
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   532
    
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   533
out_allow:
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   534
    master->allow_scan = 1;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   535
    master->allow_config = 1;
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
   536
    return ret;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   537
}
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   538
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   539
/*****************************************************************************/
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   540
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   541
/** Transition function from OPERATION to IDLE phase.
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   542
 */
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   543
void ec_master_leave_operation_phase(ec_master_t *master
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   544
                                    /**< EtherCAT master */)
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   545
{
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   546
    ec_slave_t *slave;
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   547
#ifdef EC_EOE
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   548
    ec_eoe_t *eoe;
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   549
#endif
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   550
1006
90db4c3de57b Added a few debugging messages.
Florian Pose <fp@igh-essen.com>
parents: 1004
diff changeset
   551
    if (master->debug_level)
90db4c3de57b Added a few debugging messages.
Florian Pose <fp@igh-essen.com>
parents: 1004
diff changeset
   552
        EC_DBG("OPERATION -> IDLE.\n");
90db4c3de57b Added a few debugging messages.
Florian Pose <fp@igh-essen.com>
parents: 1004
diff changeset
   553
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   554
    master->phase = EC_IDLE;
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   555
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   556
#ifdef EC_EOE
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   557
    ec_master_eoe_stop(master);
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   558
#endif
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   559
    ec_master_thread_stop(master);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   560
    
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   561
    master->request_cb = ec_master_request_cb;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   562
    master->release_cb = ec_master_release_cb;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   563
    master->cb_data = master;
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
   564
    
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
   565
    down(&master->master_sem);
993
8c32564252fd Removed kobject from domain.
Florian Pose <fp@igh-essen.com>
parents: 992
diff changeset
   566
    ec_master_clear_domains(master);
995
54149a703c47 Removed kobject from slave_config.
Florian Pose <fp@igh-essen.com>
parents: 994
diff changeset
   567
    ec_master_clear_slave_configs(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
   568
    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
   569
1000
5746fdd1ca2e Store slaves in an array instead of a list.
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   570
    for (slave = master->slaves;
5746fdd1ca2e Store slaves in an array instead of a list.
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   571
            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
   572
            slave++) {
1178
ca00393c8ca6 Fixed reconfiguration: Force config when application detaches.
Florian Pose <fp@igh-essen.com>
parents: 1092
diff changeset
   573
ca00393c8ca6 Fixed reconfiguration: Force config when application detaches.
Florian Pose <fp@igh-essen.com>
parents: 1092
diff changeset
   574
        // set states for all slaves
449
3caf8ff4d8a2 Moved functionality of ecrt_master_deactivate() (now deprecated) to ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 448
diff changeset
   575
        ec_slave_request_state(slave, EC_SLAVE_STATE_PREOP);
1178
ca00393c8ca6 Fixed reconfiguration: Force config when application detaches.
Florian Pose <fp@igh-essen.com>
parents: 1092
diff changeset
   576
ca00393c8ca6 Fixed reconfiguration: Force config when application detaches.
Florian Pose <fp@igh-essen.com>
parents: 1092
diff changeset
   577
        // mark for reconfiguration, because the master could have no
ca00393c8ca6 Fixed reconfiguration: Force config when application detaches.
Florian Pose <fp@igh-essen.com>
parents: 1092
diff changeset
   578
        // possibility for a reconfiguration between two sequential operation
ca00393c8ca6 Fixed reconfiguration: Force config when application detaches.
Florian Pose <fp@igh-essen.com>
parents: 1092
diff changeset
   579
        // phases.
ca00393c8ca6 Fixed reconfiguration: Force config when application detaches.
Florian Pose <fp@igh-essen.com>
parents: 1092
diff changeset
   580
        slave->force_config = 1;
ca00393c8ca6 Fixed reconfiguration: Force config when application detaches.
Florian Pose <fp@igh-essen.com>
parents: 1092
diff changeset
   581
    }
ca00393c8ca6 Fixed reconfiguration: Force config when application detaches.
Florian Pose <fp@igh-essen.com>
parents: 1092
diff changeset
   582
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   583
#ifdef EC_EOE
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   584
    // ... but leave EoE slaves in OP
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   585
    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
   586
        if (ec_eoe_is_open(eoe))
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   587
            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
   588
    }
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   589
#endif
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
   590
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   591
    if (ec_master_thread_start(master, ec_master_idle_thread,
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   592
                "EtherCAT-IDLE"))
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   593
        EC_WARN("Failed to restart master thread!\n");
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   594
#ifdef EC_EOE
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   595
    ec_master_eoe_start(master);
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   596
#endif
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   597
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   598
    master->allow_scan = 1;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   599
    master->allow_config = 1;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   600
}
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   601
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   602
/*****************************************************************************/
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   603
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   604
/** 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
   605
 */
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   606
void ec_master_queue_datagram(ec_master_t *master, /**< EtherCAT master */
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   607
                              ec_datagram_t *datagram /**< datagram */
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   608
                              )
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   609
{
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   610
    ec_datagram_t *queued_datagram;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   611
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   612
    // check, if the datagram is already queued
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   613
    list_for_each_entry(queued_datagram, &master->datagram_queue, queue) {
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   614
        if (queued_datagram == datagram) {
719
03d5b96632fb Store skipped information in datagrams; name datagrams for statistics
Florian Pose <fp@igh-essen.com>
parents: 715
diff changeset
   615
            datagram->skip_count++;
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   616
            if (master->debug_level)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   617
                EC_DBG("skipping datagram %x.\n", (unsigned int) datagram);
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   618
            datagram->state = EC_DATAGRAM_QUEUED;
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   619
            return;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   620
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   621
    }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   622
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   623
    list_add_tail(&datagram->queue, &master->datagram_queue);
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   624
    datagram->state = EC_DATAGRAM_QUEUED;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   625
}
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   626
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   627
/*****************************************************************************/
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   628
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   629
/** 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
   630
 *
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   631
 * \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
   632
 */
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   633
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
   634
{
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   635
    ec_datagram_t *datagram, *next;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   636
    size_t datagram_size;
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   637
    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
   638
    void *follows_word;
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   639
#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
   640
    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
   641
#endif
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   642
    unsigned long jiffies_sent;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   643
    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
   644
    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
   645
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   646
#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
   647
    cycles_start = get_cycles();
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   648
#endif
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   649
    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
   650
    INIT_LIST_HEAD(&sent_datagrams);
208
b7797f8a813d command timeout, EoE processing with kernel timer.
Florian Pose <fp@igh-essen.com>
parents: 206
diff changeset
   651
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   652
    if (unlikely(master->debug_level > 1))
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   653
        EC_DBG("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
   654
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   655
    do {
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   656
        // 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
   657
        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
   658
        cur_data = frame_data + EC_FRAME_HEADER_SIZE;
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   659
        follows_word = NULL;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   660
        more_datagrams_waiting = 0;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   661
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   662
        // fill current frame with datagrams
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   663
        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
   664
            if (datagram->state != EC_DATAGRAM_QUEUED) continue;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   665
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   666
            // does the current datagram fit in the frame?
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   667
            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
   668
                + EC_DATAGRAM_FOOTER_SIZE;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   669
            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
   670
                more_datagrams_waiting = 1;
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   671
                break;
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   672
            }
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   673
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   674
            list_add_tail(&datagram->sent, &sent_datagrams);
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   675
            datagram->index = master->datagram_index++;
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   676
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   677
            if (unlikely(master->debug_level > 1))
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   678
                EC_DBG("adding datagram 0x%02X\n", datagram->index);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   679
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   680
            // set "datagram following" flag in previous frame
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   681
            if (follows_word)
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   682
                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
   683
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   684
            // EtherCAT datagram header
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   685
            EC_WRITE_U8 (cur_data,     datagram->type);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   686
            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
   687
            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
   688
            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
   689
            EC_WRITE_U16(cur_data + 8, 0x0000);
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   690
            follows_word = cur_data + 6;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   691
            cur_data += EC_DATAGRAM_HEADER_SIZE;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   692
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   693
            // EtherCAT datagram data
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   694
            memcpy(cur_data, datagram->data, datagram->data_size);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   695
            cur_data += datagram->data_size;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   696
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   697
            // EtherCAT datagram footer
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   698
            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
   699
            cur_data += EC_DATAGRAM_FOOTER_SIZE;
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   700
        }
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   701
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   702
        if (list_empty(&sent_datagrams)) {
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   703
            if (unlikely(master->debug_level > 1))
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   704
                EC_DBG("nothing to send.\n");
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   705
            break;
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   706
        }
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   707
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   708
        // EtherCAT frame header
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   709
        EC_WRITE_U16(frame_data, ((cur_data - frame_data
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   710
                                   - EC_FRAME_HEADER_SIZE) & 0x7FF) | 0x1000);
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   711
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   712
        // pad frame
211
c684b6b7adaf Using kernel Ethernet constants.
Florian Pose <fp@igh-essen.com>
parents: 208
diff changeset
   713
        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
   714
            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
   715
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   716
        if (unlikely(master->debug_level > 1))
986
a486591ba86b Replaced misleading %i by %u.
Florian Pose <fp@igh-essen.com>
parents: 958
diff changeset
   717
            EC_DBG("frame size: %u\n", cur_data - frame_data);
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   718
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   719
        // 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
   720
        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
   721
#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
   722
        cycles_sent = get_cycles();
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   723
#endif
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   724
        jiffies_sent = jiffies;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   725
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   726
        // 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
   727
        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
   728
            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
   729
#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
   730
            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
   731
#endif
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   732
            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
   733
            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
   734
        }
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   735
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   736
        frame_count++;
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   737
    }
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   738
    while (more_datagrams_waiting);
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   739
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   740
#ifdef EC_HAVE_CYCLES
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   741
    if (unlikely(master->debug_level > 1)) {
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   742
        cycles_end = get_cycles();
986
a486591ba86b Replaced misleading %i by %u.
Florian Pose <fp@igh-essen.com>
parents: 958
diff changeset
   743
        EC_DBG("ec_master_send_datagrams sent %u frames in %uus.\n",
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   744
               frame_count,
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   745
               (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
   746
    }
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
   747
#endif
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   748
}
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   749
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   750
/*****************************************************************************/
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   751
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   752
/** Processes a received frame.
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   753
 *
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   754
 * 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
   755
 * 
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   756
 * \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
   757
 */
331
17f58fe99511 Renamed ec_master_receive() to ec_master_receive_datagrams().
Florian Pose <fp@igh-essen.com>
parents: 330
diff changeset
   758
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
   759
                                 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
   760
                                 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
   761
                                 )
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   762
{
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   763
    size_t frame_size, data_size;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   764
    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
   765
    unsigned int cmd_follows, matched;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   766
    const uint8_t *cur_data;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   767
    ec_datagram_t *datagram;
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   768
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   769
    if (unlikely(size < EC_FRAME_HEADER_SIZE)) {
1303
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   770
        if (master->debug_level) {
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   771
            EC_DBG("Corrupted frame received (size %u < %u byte):\n",
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   772
                    size, EC_FRAME_HEADER_SIZE);
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   773
            ec_print_data(frame_data, size);
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   774
        }
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   775
        master->stats.corrupted++;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   776
        ec_master_output_stats(master);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   777
        return;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   778
    }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   779
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   780
    cur_data = frame_data;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   781
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   782
    // 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
   783
    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
   784
    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
   785
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   786
    if (unlikely(frame_size > size)) {
1303
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   787
        if (master->debug_level) {
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   788
            EC_DBG("Corrupted frame received (invalid frame size %u for "
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   789
                    "received size %u):\n", frame_size, size);
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   790
            ec_print_data(frame_data, size);
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   791
        }
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   792
        master->stats.corrupted++;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   793
        ec_master_output_stats(master);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   794
        return;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   795
    }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   796
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   797
    cmd_follows = 1;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   798
    while (cmd_follows) {
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   799
        // process datagram header
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   800
        datagram_type  = EC_READ_U8 (cur_data);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   801
        datagram_index = EC_READ_U8 (cur_data + 1);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   802
        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
   803
        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
   804
        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
   805
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   806
        if (unlikely(cur_data - frame_data
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   807
                     + data_size + EC_DATAGRAM_FOOTER_SIZE > size)) {
1303
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   808
            if (master->debug_level) {
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   809
                EC_DBG("Corrupted frame received (invalid data size %u):\n",
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   810
                        data_size);
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   811
                ec_print_data(frame_data, size);
448f2e9fa483 Output corrupted frame reasons.
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   812
            }
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   813
            master->stats.corrupted++;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   814
            ec_master_output_stats(master);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   815
            return;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   816
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   817
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   818
        // 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
   819
        matched = 0;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   820
        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
   821
            if (datagram->index == datagram_index
5e231f6a3d2e Re-ordered criteria for datagram matching.
Florian Pose <fp@igh-essen.com>
parents: 688
diff changeset
   822
                && datagram->state == EC_DATAGRAM_SENT
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   823
                && datagram->type == datagram_type
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   824
                && 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
   825
                matched = 1;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   826
                break;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   827
            }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   828
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   829
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   830
        // 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
   831
        if (!matched) {
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   832
            master->stats.unmatched++;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   833
            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
   834
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
   835
            if (unlikely(master->debug_level > 0)) {
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
   836
                EC_DBG("UNMATCHED datagram:\n");
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
   837
                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
   838
                        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
   839
                        + 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
   840
#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
   841
                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
   842
#endif
684
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
   843
            }
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
   844
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   845
            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
   846
            continue;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   847
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   848
345
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
   849
        // copy received data into the datagram memory
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   850
        memcpy(datagram->data, cur_data, data_size);
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   851
        cur_data += data_size;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   852
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   853
        // set the datagram's working counter
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   854
        datagram->working_counter = EC_READ_U16(cur_data);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   855
        cur_data += EC_DATAGRAM_FOOTER_SIZE;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   856
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   857
        // 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
   858
        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
   859
#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
   860
        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
   861
#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
   862
        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
   863
        list_del_init(&datagram->queue);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   864
    }
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   865
}
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   866
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   867
/*****************************************************************************/
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   868
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   869
/** Output master statistics.
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   870
 *
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 995
diff changeset
   871
 * 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
   872
 * 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
   873
 */
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   874
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
   875
{
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   876
    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
   877
        master->stats.output_jiffies = jiffies;
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   878
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   879
        if (master->stats.timeouts) {
986
a486591ba86b Replaced misleading %i by %u.
Florian Pose <fp@igh-essen.com>
parents: 958
diff changeset
   880
            EC_WARN("%u datagram%s TIMED OUT!\n", master->stats.timeouts,
396
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   881
                    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
   882
            master->stats.timeouts = 0;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   883
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   884
        if (master->stats.corrupted) {
986
a486591ba86b Replaced misleading %i by %u.
Florian Pose <fp@igh-essen.com>
parents: 958
diff changeset
   885
            EC_WARN("%u frame%s CORRUPTED!\n", master->stats.corrupted,
396
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   886
                    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
   887
            master->stats.corrupted = 0;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   888
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   889
        if (master->stats.unmatched) {
986
a486591ba86b Replaced misleading %i by %u.
Florian Pose <fp@igh-essen.com>
parents: 958
diff changeset
   890
            EC_WARN("%u datagram%s UNMATCHED!\n", master->stats.unmatched,
396
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   891
                    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
   892
            master->stats.unmatched = 0;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   893
        }
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   894
    }
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   895
}
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   896
68
a452700db994 Neue ASCII-Adressierung und Code-Dokumantation.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
   897
/*****************************************************************************/
a452700db994 Neue ASCII-Adressierung und Code-Dokumantation.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
   898
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   899
/** 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
   900
 */
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   901
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
   902
{
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   903
    ec_master_t *master = (ec_master_t *) priv_data;
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   904
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   905
    if (master->debug_level)
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   906
        EC_DBG("Idle thread running.\n");
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   907
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   908
    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
   909
        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
   910
1031
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
   911
        // receive
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
   912
        spin_lock_bh(&master->internal_lock);
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
   913
        ecrt_master_receive(master);
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
   914
        spin_unlock_bh(&master->internal_lock);
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
   915
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
   916
        if (master->fsm_datagram.state == EC_DATAGRAM_SENT)
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
   917
            goto schedule;
651
8c11399cc911 Fixed skipped datagrams when not in FSM idle phase.
Florian Pose <fp@igh-essen.com>
parents: 650
diff changeset
   918
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   919
        // execute master state machine
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   920
        if (down_interruptible(&master->master_sem))
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   921
            break;
1031
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
   922
        ec_fsm_master_exec(&master->fsm);
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
   923
        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
   924
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
   925
        // queue and send
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
   926
        spin_lock_bh(&master->internal_lock);
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
   927
        ec_master_queue_datagram(master, &master->fsm_datagram);
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
   928
        ecrt_master_send(master);
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
   929
        spin_unlock_bh(&master->internal_lock);
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   930
        
651
8c11399cc911 Fixed skipped datagrams when not in FSM idle phase.
Florian Pose <fp@igh-essen.com>
parents: 650
diff changeset
   931
schedule:
650
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   932
        if (ec_fsm_master_idle(&master->fsm)) {
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   933
            set_current_state(TASK_INTERRUPTIBLE);
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   934
            schedule_timeout(1);
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   935
        }
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   936
        else {
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   937
            schedule();
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   938
        }
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   939
    }
518
b6a1426ba724 Fixed race: Stop EoE processing when entering or leaving operation mode.
Florian Pose <fp@igh-essen.com>
parents: 517
diff changeset
   940
    
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   941
    if (master->debug_level)
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   942
        EC_DBG("Master IDLE thread exiting...\n");
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   943
    return 0;
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   944
}
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   945
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   946
/*****************************************************************************/
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   947
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1028
diff changeset
   948
/** 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
   949
 */
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   950
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
   951
{
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   952
    ec_master_t *master = (ec_master_t *) priv_data;
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   953
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   954
    if (master->debug_level)
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   955
        EC_DBG("Operation thread running.\n");
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   956
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   957
    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
   958
        ec_datagram_output_stats(&master->fsm_datagram);
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   959
        if (master->injection_seq_rt != master->injection_seq_fsm ||
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   960
                master->fsm_datagram.state == EC_DATAGRAM_SENT ||
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   961
                master->fsm_datagram.state == EC_DATAGRAM_QUEUED)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   962
            goto schedule;
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   963
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   964
        // output statistics
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   965
        ec_master_output_stats(master);
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   966
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   967
        // execute master state machine
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   968
        if (down_interruptible(&master->master_sem))
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   969
            break;
1031
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
   970
        ec_fsm_master_exec(&master->fsm);
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
   971
        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
   972
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
   973
        // inject datagram
000593b576dd Removed 'end' and 'error' states from master state machine.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
   974
        master->injection_seq_fsm++;
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   975
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   976
schedule:
650
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   977
        if (ec_fsm_master_idle(&master->fsm)) {
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   978
            set_current_state(TASK_INTERRUPTIBLE);
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   979
            schedule_timeout(1);
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   980
        }
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   981
        else {
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   982
            schedule();
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   983
        }
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   984
    }
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   985
    
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   986
    if (master->debug_level)
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   987
        EC_DBG("Master OP thread exiting...\n");
1241
794cbccdcd00 Moved threads to kthread interface.
Florian Pose <fp@igh-essen.com>
parents: 1237
diff changeset
   988
    return 0;
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   989
}
578
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   990
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   991
/*****************************************************************************/
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   992
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   993
#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
   994
/** 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
   995
 */
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   996
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
   997
{
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   998
    if (master->eoe_running) {
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   999
        EC_WARN("EoE already running!\n");
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1000
        return;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1001
    }
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1002
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1003
    if (list_empty(&master->eoe_handlers))
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1004
        return;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1005
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1006
    if (!master->request_cb || !master->release_cb) {
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1007
        EC_WARN("No EoE processing because of missing locking callbacks!\n");
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1008
        return;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1009
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1010
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1011
    EC_INFO("Starting EoE processing.\n");
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1012
    master->eoe_running = 1;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1013
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1014
    // start EoE processing
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1015
    master->eoe_timer.expires = jiffies + 10;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1016
    add_timer(&master->eoe_timer);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1017
}
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1018
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1019
/*****************************************************************************/
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1020
1327
4d179b06dd3c merge -c1604 branches/stable-1.4: Fixed spelling of EtherCAT terms.
Florian Pose <fp@igh-essen.com>
parents: 1326
diff changeset
  1021
/** 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
  1022
 */
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1023
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
  1024
{
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1025
    if (!master->eoe_running) return;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1026
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1027
    EC_INFO("Stopping EoE processing.\n");
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1028
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1029
    del_timer_sync(&master->eoe_timer);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1030
    master->eoe_running = 0;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1031
}
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1032
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1033
/*****************************************************************************/
441
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1034
1327
4d179b06dd3c merge -c1604 branches/stable-1.4: Fixed spelling of EtherCAT terms.
Florian Pose <fp@igh-essen.com>
parents: 1326
diff changeset
  1035
/** 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
  1036
 */
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1037
void ec_master_eoe_run(unsigned long data /**< master pointer */)
206
60a10d85c20b Prepared EoE processing with workqueue.
Florian Pose <fp@igh-essen.com>
parents: 204
diff changeset
  1038
{
60a10d85c20b Prepared EoE processing with workqueue.
Florian Pose <fp@igh-essen.com>
parents: 204
diff changeset
  1039
    ec_master_t *master = (ec_master_t *) data;
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1040
    ec_eoe_t *eoe;
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1041
    unsigned int none_open = 1;
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1042
    unsigned long restart_jiffies;
235
f973808540a6 No master locking, if no EoE devices are "up".
Florian Pose <fp@igh-essen.com>
parents: 228
diff changeset
  1043
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1044
    list_for_each_entry(eoe, &master->eoe_handlers, list) {
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1045
        if (ec_eoe_is_open(eoe)) {
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1046
            none_open = 0;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1047
            break;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1048
        }
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1049
    }
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1050
    if (none_open)
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1051
        goto queue_timer;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1052
721
ebc2fd3e09e5 Improved EoE handling: Avoided skipping of datagrams and release lock
Florian Pose <fp@igh-essen.com>
parents: 720
diff changeset
  1053
    // receive datagrams
1041
42c9ac58d9ce Removed state machine cycle time measuring.
Florian Pose <fp@igh-essen.com>
parents: 1040
diff changeset
  1054
    if (master->request_cb(master->cb_data))
42c9ac58d9ce Removed state machine cycle time measuring.
Florian Pose <fp@igh-essen.com>
parents: 1040
diff changeset
  1055
        goto queue_timer;
42c9ac58d9ce Removed state machine cycle time measuring.
Florian Pose <fp@igh-essen.com>
parents: 1040
diff changeset
  1056
    
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1057
    ecrt_master_receive(master);
721
ebc2fd3e09e5 Improved EoE handling: Avoided skipping of datagrams and release lock
Florian Pose <fp@igh-essen.com>
parents: 720
diff changeset
  1058
    master->release_cb(master->cb_data);
515
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
  1059
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
  1060
    // actual EoE processing
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1061
    list_for_each_entry(eoe, &master->eoe_handlers, list) {
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1062
        ec_eoe_run(eoe);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1063
    }
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1064
515
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
  1065
    // send datagrams
721
ebc2fd3e09e5 Improved EoE handling: Avoided skipping of datagrams and release lock
Florian Pose <fp@igh-essen.com>
parents: 720
diff changeset
  1066
    if (master->request_cb(master->cb_data)) {
ebc2fd3e09e5 Improved EoE handling: Avoided skipping of datagrams and release lock
Florian Pose <fp@igh-essen.com>
parents: 720
diff changeset
  1067
        goto queue_timer;
ebc2fd3e09e5 Improved EoE handling: Avoided skipping of datagrams and release lock
Florian Pose <fp@igh-essen.com>
parents: 720
diff changeset
  1068
    }
ebc2fd3e09e5 Improved EoE handling: Avoided skipping of datagrams and release lock
Florian Pose <fp@igh-essen.com>
parents: 720
diff changeset
  1069
    list_for_each_entry(eoe, &master->eoe_handlers, list) {
ebc2fd3e09e5 Improved EoE handling: Avoided skipping of datagrams and release lock
Florian Pose <fp@igh-essen.com>
parents: 720
diff changeset
  1070
        ec_eoe_queue(eoe);
ebc2fd3e09e5 Improved EoE handling: Avoided skipping of datagrams and release lock
Florian Pose <fp@igh-essen.com>
parents: 720
diff changeset
  1071
    }
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1072
    ecrt_master_send(master);
721
ebc2fd3e09e5 Improved EoE handling: Avoided skipping of datagrams and release lock
Florian Pose <fp@igh-essen.com>
parents: 720
diff changeset
  1073
    master->release_cb(master->cb_data);
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1074
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1075
 queue_timer:
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1076
    restart_jiffies = HZ / EC_EOE_FREQUENCY;
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1077
    if (!restart_jiffies) restart_jiffies = 1;
721
ebc2fd3e09e5 Improved EoE handling: Avoided skipping of datagrams and release lock
Florian Pose <fp@igh-essen.com>
parents: 720
diff changeset
  1078
    master->eoe_timer.expires = jiffies + restart_jiffies;
208
b7797f8a813d command timeout, EoE processing with kernel timer.
Florian Pose <fp@igh-essen.com>
parents: 206
diff changeset
  1079
    add_timer(&master->eoe_timer);
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1080
}
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
  1081
#endif
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1082
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1083
/*****************************************************************************/
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1084
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1085
/** 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
  1086
 */
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1087
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
  1088
        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
  1089
        )
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1090
{
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1091
    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
  1092
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1093
    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
  1094
        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
  1095
    }
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1096
}
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1097
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1098
/*****************************************************************************/
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1099
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1100
/** 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
  1101
 */
1028
afdd4bdbb7ec Removed configs_attached flag; changed return value of
Florian Pose <fp@igh-essen.com>
parents: 1024
diff changeset
  1102
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
  1103
        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
  1104
        )
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1105
{
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1106
    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
  1107
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1108
    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
  1109
        ec_slave_config_attach(sc);
afdd4bdbb7ec Removed configs_attached flag; changed return value of
Florian Pose <fp@igh-essen.com>
parents: 1024
diff changeset
  1110
    }
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1111
}
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1112
927
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1113
/*****************************************************************************/
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1114
1077
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1115
/** Common implementation for ec_master_find_slave()
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1116
 * and ec_master_find_slave_const().
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1117
 */
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1118
#define EC_FIND_SLAVE \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1119
    do { \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1120
        if (alias) { \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1121
            for (; slave < master->slaves + master->slave_count; \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1122
                    slave++) { \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1123
                if (slave->sii.alias == alias) \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1124
                break; \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1125
            } \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1126
            if (slave == master->slaves + master->slave_count) \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1127
            return NULL; \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1128
        } \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1129
        \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1130
        slave += position; \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1131
        if (slave < master->slaves + master->slave_count) { \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1132
            return slave; \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1133
        } else { \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1134
            return NULL; \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1135
        } \
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1136
    } while (0)
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1137
927
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1138
/** 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
  1139
 */
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1140
ec_slave_t *ec_master_find_slave(
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1141
        ec_master_t *master, /**< EtherCAT master. */
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1142
        uint16_t alias, /**< Slave alias. */
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1143
        uint16_t position /**< Slave position. */
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1144
        )
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1145
{
1000
5746fdd1ca2e Store slaves in an array instead of a list.
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
  1146
    ec_slave_t *slave = master->slaves;
1077
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1147
    EC_FIND_SLAVE;
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1148
}
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1149
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1150
/** 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
  1151
 *
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1152
 * Const version.
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1153
 */
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1154
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
  1155
        const ec_master_t *master, /**< EtherCAT master. */
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1156
        uint16_t alias, /**< Slave alias. */
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1157
        uint16_t position /**< Slave position. */
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1158
        )
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1159
{
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1160
    const ec_slave_t *slave = master->slaves;
c95cd717b852 Added ec_master_find_slave_const().
Florian Pose <fp@igh-essen.com>
parents: 1075
diff changeset
  1161
    EC_FIND_SLAVE;
927
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1162
}
ffb7d1876ce0 Introduced ec_master_find_slave().
Florian Pose <fp@igh-essen.com>
parents: 926
diff changeset
  1163
946
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1164
/*****************************************************************************/
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1165
1092
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1166
/** 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
  1167
 *
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1168
 * \return Number of configurations.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1169
 */
990
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1170
unsigned int ec_master_config_count(
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1171
		const ec_master_t *master /**< EtherCAT master. */
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1172
		)
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1173
{
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1174
	const ec_slave_config_t *sc;
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1175
	unsigned int count = 0;
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1176
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1177
	list_for_each_entry(sc, &master->configs, list) {
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1178
		count++;
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1179
	}
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1180
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1181
	return count;
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1182
}
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1183
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1184
/*****************************************************************************/
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1185
1252
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1186
/** Common implementation for ec_master_get_config()
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1187
 * and ec_master_get_config_const().
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1188
 */
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1189
#define EC_FIND_CONFIG \
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1190
    do { \
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1191
		list_for_each_entry(sc, &master->configs, list) { \
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1192
			if (pos--) \
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1193
				continue; \
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1194
			return sc; \
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1195
		} \
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1196
		return NULL; \
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1197
    } while (0)
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1198
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1199
/** 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
  1200
 *
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1201
 * \return Slave configuration or \a NULL.
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1202
 */
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1203
ec_slave_config_t *ec_master_get_config(
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1204
		const ec_master_t *master, /**< EtherCAT master. */
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1205
		unsigned int pos /**< List position. */
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1206
		)
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1207
{
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1208
	ec_slave_config_t *sc;
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1209
	EC_FIND_CONFIG;
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1210
}
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1211
1092
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1212
/** 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
  1213
 *
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1214
 * Const version.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1215
 *
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1216
 * \return Slave configuration or \a NULL.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1217
 */
990
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1218
const ec_slave_config_t *ec_master_get_config_const(
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1219
		const ec_master_t *master, /**< EtherCAT master. */
1092
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1220
		unsigned int pos /**< List position. */
990
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1221
		)
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1222
{
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1223
	const ec_slave_config_t *sc;
1252
0b411da5fd24 Added ec_master_get_config().
Florian Pose <fp@igh-essen.com>
parents: 1250
diff changeset
  1224
	EC_FIND_CONFIG;
990
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1225
}
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1226
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1227
/*****************************************************************************/
4f223f3df05a Bus configuration via 'ethercat config'.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
  1228
1092
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1229
/** Get the number of domains.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1230
 *
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1231
 * \return Number of domains.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1232
 */
946
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1233
unsigned int ec_master_domain_count(
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1234
		const ec_master_t *master /**< EtherCAT master. */
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1235
		)
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1236
{
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1237
	const ec_domain_t *domain;
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1238
	unsigned int count = 0;
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1239
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1240
	list_for_each_entry(domain, &master->domains, list) {
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1241
		count++;
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1242
	}
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1243
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1244
	return count;
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1245
}
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1246
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1247
/*****************************************************************************/
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1248
1082
ff06c58e269c Renamed ecrt_slave_config_sync_managers() to ecrt_slave_config_pdos();
Florian Pose <fp@igh-essen.com>
parents: 1079
diff changeset
  1249
/** 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
  1250
 * 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
  1251
 */
1078
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1252
#define EC_FIND_DOMAIN \
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1253
    do { \
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1254
        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
  1255
            if (index--) \
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1256
                continue; \
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1257
            return domain; \
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1258
        } \
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1259
        \
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1260
        return NULL; \
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1261
    } while (0)
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1262
1092
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1263
/** Get a domain via its position in the list.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1264
 *
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1265
 * \return Domain pointer, or \a NULL if not found.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1266
 */
946
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1267
ec_domain_t *ec_master_find_domain(
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1268
		ec_master_t *master, /**< EtherCAT master. */
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1269
		unsigned int index /**< Domain index. */
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1270
		)
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1271
{
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1272
	ec_domain_t *domain;
1078
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1273
    EC_FIND_DOMAIN;
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1274
}
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1275
1092
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1276
/** Get a domain via its position in the list.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1277
 *
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1278
 * Const version.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1279
 *
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1280
 * \return Domain pointer, or \a NULL if not found.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1281
 */
1078
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1282
const ec_domain_t *ec_master_find_domain_const(
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1283
		const ec_master_t *master, /**< EtherCAT master. */
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1284
		unsigned int index /**< Domain index. */
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1285
		)
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1286
{
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1287
	const ec_domain_t *domain;
fce58ba8a912 Added ec_master_find_domain_const().
Florian Pose <fp@igh-essen.com>
parents: 1077
diff changeset
  1288
    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
  1289
}
6ef20c5de875 Introduced ec_master_domain_count() and ec_master_find_domain().
Florian Pose <fp@igh-essen.com>
parents: 927
diff changeset
  1290
956
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1291
/*****************************************************************************/
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1292
1092
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1293
/** Set the debug level.
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1294
 *
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
  1295
 * \retval       0 Success.
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
  1296
 * \retval -EINVAL Invalid debug level.
1092
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1297
 */
956
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1298
int ec_master_debug_level(
1092
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1299
        ec_master_t *master, /**< EtherCAT master. */
69393cf60399 Improved source code doc.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
  1300
        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
  1301
        )
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1302
{
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1303
    if (level < 0 || level > 2) {
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1304
        EC_ERR("Invalid debug level %i!\n", level);
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
  1305
        return -EINVAL;
956
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1306
    }
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1307
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1308
    if (level != master->debug_level) {
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1309
        master->debug_level = level;
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1310
        EC_INFO("Master debug level set to %i.\n", master->debug_level);
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1311
    }
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1312
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1313
    return 0;
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1314
}
d9b9bc794d10 Implemented 'ethercat debug' command.
Florian Pose <fp@igh-essen.com>
parents: 946
diff changeset
  1315
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
  1316
/******************************************************************************
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1317
 *  Realtime interface
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1318
 *****************************************************************************/
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1319
1332
d62633fea8ed merge -c1610 branches/stable-1.4: Added missing doxygen docs.
Florian Pose <fp@igh-essen.com>
parents: 1329
diff changeset
  1320
/** 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
  1321
 */
1312
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1322
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
  1323
        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
  1324
        )
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
  1325
{
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1326
    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
  1327
    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
  1328
1181
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1329
    if (master->debug_level)
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1330
        EC_DBG("ecrt_master_create_domain(master = 0x%x)\n", (u32) master);
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1331
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
  1332
    if (!(domain = (ec_domain_t *) kmalloc(sizeof(ec_domain_t), GFP_KERNEL))) {
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1333
        EC_ERR("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
  1334
        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
  1335
    }
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1336
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
  1337
    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
  1338
993
8c32564252fd Removed kobject from domain.
Florian Pose <fp@igh-essen.com>
parents: 992
diff changeset
  1339
    if (list_empty(&master->domains)) {
8c32564252fd Removed kobject from domain.
Florian Pose <fp@igh-essen.com>
parents: 992
diff changeset
  1340
        index = 0;
8c32564252fd Removed kobject from domain.
Florian Pose <fp@igh-essen.com>
parents: 992
diff changeset
  1341
    } 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
  1342
        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
  1343
        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
  1344
    }
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1345
993
8c32564252fd Removed kobject from domain.
Florian Pose <fp@igh-essen.com>
parents: 992
diff changeset
  1346
    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
  1347
    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
  1348
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
  1349
    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
  1350
1181
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1351
    if (master->debug_level)
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1352
        EC_DBG("Created domain %u.\n", domain->index);
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1353
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
  1354
    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
  1355
}
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1356
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1357
/*****************************************************************************/
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1358
1312
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1359
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
  1360
        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
  1361
        )
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1362
{
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1363
    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
  1364
    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
  1365
}
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1366
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1367
/*****************************************************************************/
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1368
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1369
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
  1370
{
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1371
    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
  1372
    ec_domain_t *domain;
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
  1373
    int 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
  1374
1181
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1375
    if (master->debug_level)
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1376
        EC_DBG("ecrt_master_activate(master = 0x%x)\n", (u32) master);
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1377
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
  1378
    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
  1379
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1380
    // 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
  1381
    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
  1382
    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
  1383
        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
  1384
        if (ret < 0) {
1197
f65f9c36ba33 Fixed missing up().
Florian Pose <fp@igh-essen.com>
parents: 1181
diff changeset
  1385
            up(&master->master_sem);
926
6bb33c6ec770 Output subindices with %02X.
Florian Pose <fp@igh-essen.com>
parents: 922
diff changeset
  1386
            EC_ERR("Failed to finish domain 0x%08X!\n", (u32) domain);
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
  1387
            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
  1388
        }
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1389
        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
  1390
    }
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
  1391
    
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
  1392
    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
  1393
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1394
    // restart EoE process and master thread with new locking
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
  1395
#ifdef EC_EOE
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1396
    ec_master_eoe_stop(master);
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
  1397
#endif
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1398
    ec_master_thread_stop(master);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1399
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
  1400
    if (master->debug_level)
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1401
        EC_DBG("FSM datagram is %x.\n", (unsigned int) &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
  1402
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1403
    master->injection_seq_fsm = 0;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1404
    master->injection_seq_rt = 0;
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1405
    master->request_cb = master->ext_request_cb;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1406
    master->release_cb = master->ext_release_cb;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1407
    master->cb_data = master->ext_cb_data;
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1408
    
1313
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
  1409
    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
  1410
                "EtherCAT-OP");
ed15eef57d5c Improved error case return codes of many functions.
Florian Pose <fp@igh-essen.com>
parents: 1312
diff changeset
  1411
    if (ret < 0) {
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
  1412
        EC_ERR("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
  1413
        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
  1414
    }
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
  1415
#ifdef EC_EOE
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1416
    ec_master_eoe_start(master);
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
  1417
#endif
902
ad703091a32b Moved setting of the allow flags.
Florian Pose <fp@igh-essen.com>
parents: 901
diff changeset
  1418
ad703091a32b Moved setting of the allow flags.
Florian Pose <fp@igh-essen.com>
parents: 901
diff changeset
  1419
    master->allow_config = 1; // request the current configuration
ad703091a32b Moved setting of the allow flags.
Florian Pose <fp@igh-essen.com>
parents: 901
diff changeset
  1420
    master->allow_scan = 1; // allow re-scanning on topology change
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
  1421
    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
  1422
}
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1423
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1424
/*****************************************************************************/
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1425
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1426
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
  1427
{
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1428
    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
  1429
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1430
    if (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
  1431
        // inject datagram produced by master 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
  1432
        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
  1433
        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
  1434
    }
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1435
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1436
    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
  1437
        // 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
  1438
        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
  1439
            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
  1440
            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
  1441
        }
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1442
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1443
        // 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
  1444
        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
  1445
        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
  1446
    }
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1447
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1448
    // send frames
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1449
    ec_master_send_datagrams(master);
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1450
}
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1451
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1452
/*****************************************************************************/
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1453
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1454
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
  1455
{
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1456
    ec_datagram_t *datagram, *next;
664
18c48cb7de06 Introduced frames_timed_out flag to notice bus failure when link down is
Florian Pose <fp@igh-essen.com>
parents: 663
diff changeset
  1457
    unsigned int frames_timed_out = 0;
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
  1458
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1459
    // 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
  1460
    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
  1461
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1462
    // 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
  1463
    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
  1464
        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
  1465
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
  1466
#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
  1467
        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
  1468
                > timeout_cycles) {
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
  1469
#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
  1470
        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
  1471
                > timeout_jiffies) {
1040
d2527675cdd5 Disable use of CPU timestamp counter by default.
Florian Pose <fp@igh-essen.com>
parents: 1031
diff changeset
  1472
#endif
664
18c48cb7de06 Introduced frames_timed_out flag to notice bus failure when link down is
Florian Pose <fp@igh-essen.com>
parents: 663
diff changeset
  1473
            frames_timed_out = 1;
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
  1474
            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
  1475
            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
  1476
            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
  1477
            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
  1478
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
  1479
            if (unlikely(master->debug_level > 0)) {
1237
33e8349b44bd Avoided using #ifdef inside a macro.
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
  1480
                unsigned int time_us;
33e8349b44bd Avoided using #ifdef inside a macro.
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
  1481
#ifdef EC_HAVE_CYCLES
33e8349b44bd Avoided using #ifdef inside a macro.
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
  1482
                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
  1483
                        datagram->cycles_sent) * 1000 / cpu_khz;
33e8349b44bd Avoided using #ifdef inside a macro.
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
  1484
#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
  1485
                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
  1486
                            datagram->jiffies_sent) * 1000000 / HZ);
1237
33e8349b44bd Avoided using #ifdef inside a macro.
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
  1487
#endif
691
77b79a29e0e7 Included datagram queuing in critical section in idle task; added some
Florian Pose <fp@igh-essen.com>
parents: 690
diff changeset
  1488
                EC_DBG("TIMED OUT datagram %08x, index %02X waited %u us.\n",
1237
33e8349b44bd Avoided using #ifdef inside a macro.
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
  1489
                        (unsigned int) 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
  1490
            }
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
  1491
        }
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1492
    }
664
18c48cb7de06 Introduced frames_timed_out flag to notice bus failure when link down is
Florian Pose <fp@igh-essen.com>
parents: 663
diff changeset
  1493
18c48cb7de06 Introduced frames_timed_out flag to notice bus failure when link down is
Florian Pose <fp@igh-essen.com>
parents: 663
diff changeset
  1494
    master->frames_timed_out = frames_timed_out;
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
  1495
}
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1496
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1497
/*****************************************************************************/
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1498
1332
d62633fea8ed merge -c1610 branches/stable-1.4: Added missing doxygen docs.
Florian Pose <fp@igh-essen.com>
parents: 1329
diff changeset
  1499
/** 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
  1500
 */
1312
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1501
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
  1502
        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
  1503
        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
  1504
{
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1505
    ec_slave_config_t *sc;
697
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1506
    unsigned int found = 0;
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1507
1181
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1508
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1509
    if (master->debug_level)
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1510
        EC_DBG("ecrt_master_slave_config(master = 0x%x, alias = %u, "
1329
379e60baa5be merge -c1606 branches/stable-1.4: Output vendor Id in hex.
Florian Pose <fp@igh-essen.com>
parents: 1327
diff changeset
  1511
                "position = %u, vendor_id = 0x%x, product_code = 0x%x)\n",
1181
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1512
                (u32) master, alias, position, vendor_id, product_code);
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1513
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1514
    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
  1515
        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
  1516
            found = 1;
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1517
            break;
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1518
        }
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1519
    }
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1520
1024
fef0b1953770 Minor change.
Florian Pose <fp@igh-essen.com>
parents: 1023
diff changeset
  1521
    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
  1522
        if (sc->vendor_id != vendor_id || sc->product_code != product_code) {
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1523
            EC_ERR("Slave type mismatch. Slave was configured as"
1010
6672b86e7b10 Reverted revision number checking from r1228.
Florian Pose <fp@igh-essen.com>
parents: 1009
diff changeset
  1524
                    " 0x%08X/0x%08X before. Now configuring with"
6672b86e7b10 Reverted revision number checking from r1228.
Florian Pose <fp@igh-essen.com>
parents: 1009
diff changeset
  1525
                    " 0x%08X/0x%08X.\n", sc->vendor_id, sc->product_code,
6672b86e7b10 Reverted revision number checking from r1228.
Florian Pose <fp@igh-essen.com>
parents: 1009
diff changeset
  1526
                    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
  1527
            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
  1528
        }
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1529
    } else {
1055
2be8918682fa Store sync manager configurations in ec_slave_config_t instead of Pdo
Florian Pose <fp@igh-essen.com>
parents: 1047
diff changeset
  1530
        if (master->debug_level)
2be8918682fa Store sync manager configurations in ec_slave_config_t instead of Pdo
Florian Pose <fp@igh-essen.com>
parents: 1047
diff changeset
  1531
            EC_DBG("Creating slave configuration for %u:%u, 0x%08X/0x%08X.\n",
2be8918682fa Store sync manager configurations in ec_slave_config_t instead of Pdo
Florian Pose <fp@igh-essen.com>
parents: 1047
diff changeset
  1532
                    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
  1533
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1534
        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
  1535
                        GFP_KERNEL))) {
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1536
            EC_ERR("Failed to allocate memory 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
  1537
            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
  1538
        }
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1539
995
54149a703c47 Removed kobject from slave_config.
Florian Pose <fp@igh-essen.com>
parents: 994
diff changeset
  1540
        ec_slave_config_init(sc, master,
1010
6672b86e7b10 Reverted revision number checking from r1228.
Florian Pose <fp@igh-essen.com>
parents: 1009
diff changeset
  1541
                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
  1542
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
  1543
        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
  1544
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1545
        // 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
  1546
        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
  1547
        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
  1548
        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
  1549
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
  1550
        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
  1551
    }
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1552
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1553
    return sc;
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1554
}
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1555
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1556
/*****************************************************************************/
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1557
1312
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1558
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
  1559
        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
  1560
        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
  1561
{
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1562
    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
  1563
            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
  1564
    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
  1565
}
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1566
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1567
/*****************************************************************************/
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1303
diff changeset
  1568
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1569
void ecrt_master_callbacks(ec_master_t *master, int (*request_cb)(void *),
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1570
        void (*release_cb)(void *), void *cb_data)
204
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1571
{
1181
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1572
    if (master->debug_level)
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1573
        EC_DBG("ecrt_master_callbacks(master = 0x%x, request_cb = 0x%x, "
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1574
                " release_cb = 0x%x, cb_data = 0x%x)\n", (u32) master,
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1575
                (u32) request_cb, (u32) release_cb, (u32) cb_data);
9e5954a2a46e Added debugging for configuration function of the application interface.
Florian Pose <fp@igh-essen.com>
parents: 1178
diff changeset
  1576
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1577
    master->ext_request_cb = request_cb;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1578
    master->ext_release_cb = release_cb;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1579
    master->ext_cb_data = cb_data;
204
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1580
}
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1581
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1582
/*****************************************************************************/
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1583
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1584
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
  1585
{
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1586
    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
  1587
    state->al_states = master->fsm.slave_states;
1018
e068da25639d Completed master states.
Richard Hacker <ha@igh-essen.com>
parents: 1015
diff changeset
  1588
    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
  1589
}
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  1590
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  1591
/*****************************************************************************/
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  1592
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1593
/** \cond */
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1594
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1595
EXPORT_SYMBOL(ecrt_master_create_domain);
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1596
EXPORT_SYMBOL(ecrt_master_activate);
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1597
EXPORT_SYMBOL(ecrt_master_send);
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1598
EXPORT_SYMBOL(ecrt_master_receive);
206
60a10d85c20b Prepared EoE processing with workqueue.
Florian Pose <fp@igh-essen.com>
parents: 204
diff changeset
  1599
EXPORT_SYMBOL(ecrt_master_callbacks);
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
  1600
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
  1601
EXPORT_SYMBOL(ecrt_master_state);
42
a22a202d0f42 Domains, Warten beim Senden, 10kHz.
Florian Pose <fp@igh-essen.com>
parents: 39
diff changeset
  1602
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1603
/** \endcond */
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1604
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1605
/*****************************************************************************/