master/master.c
author Florian Pose <fp@igh-essen.com>
Wed, 19 Sep 2007 17:44:28 +0000
changeset 741 aece53f82df3
parent 721 ebc2fd3e09e5
child 758 8fa6f825eb7d
permissions -rw-r--r--
Read PDO mapping from SDO dictionary (working, not finished yet).
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/******************************************************************************
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 *
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 *  $Id$
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 *
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 *  Copyright (C) 2006  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
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 *  and/or modify it under the terms of the GNU General Public License
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 *  as published by the Free Software Foundation; either version 2 of the
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 *  License, or (at your option) any later version.
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 *
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 *  The IgH EtherCAT Master is distributed in the hope that it will be
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 *  useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General 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
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 *  along 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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 *  The right to use EtherCAT Technology is granted and comes free of
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 *  charge under condition of compatibility of product made by
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 *  Licensee. People intending to distribute/sell products based on the
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 *  code, have to sign an agreement to guarantee that products using
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 *  software based on IgH EtherCAT master stay compatible with the actual
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 *  EtherCAT specification (which are released themselves as an open
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 *  standard) as the (only) precondition to have the right to use EtherCAT
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 *  Technology, IP and trade marks.
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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 "../include/ecrt.h"
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#include "globals.h"
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#include "master.h"
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#include "slave.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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/*****************************************************************************/
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void ec_master_destroy_domains(ec_master_t *);
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void ec_master_sync_io(ec_master_t *);
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static int ec_master_idle_thread(ec_master_t *);
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static int ec_master_operation_thread(ec_master_t *);
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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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void ec_master_check_sdo(unsigned long);
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ssize_t ec_show_master_attribute(struct kobject *, struct attribute *, char *);
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ssize_t ec_store_master_attribute(struct kobject *, struct attribute *,
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                                  const char *, size_t);
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/*****************************************************************************/
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/** \cond */
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EC_SYSFS_READ_ATTR(info);
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EC_SYSFS_READ_WRITE_ATTR(debug_level);
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static struct attribute *ec_def_attrs[] = {
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    &attr_info,
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    &attr_debug_level,
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    NULL,
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};
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static struct sysfs_ops ec_sysfs_ops = {
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    .show = &ec_show_master_attribute,
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    .store = ec_store_master_attribute
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};
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static struct kobj_type ktype_ec_master = {
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    .release = NULL,
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    .sysfs_ops = &ec_sysfs_ops,
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    .default_attrs = ec_def_attrs
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};
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/** \endcond */
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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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        struct kobject *module_kobj, /**< kobject of the master module */
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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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        )
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{
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    unsigned int i;
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    master->index = index;
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    master->reserved = 0;
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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->mode = EC_MASTER_MODE_ORPHANED;
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    master->injection_seq_fsm = 0;
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    master->injection_seq_rt = 0;
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    INIT_LIST_HEAD(&master->slaves);
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    master->slave_count = 0;
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    master->scan_state = EC_REQUEST_IN_PROGRESS;
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    master->allow_scan = 1;
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    init_MUTEX(&master->scan_sem);
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    init_waitqueue_head(&master->scan_queue);
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   131
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Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   132
    master->config_state = EC_REQUEST_COMPLETE;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   133
    master->allow_config = 1;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   134
    init_MUTEX(&master->config_sem);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   135
    init_waitqueue_head(&master->config_queue);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   136
    
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   137
    INIT_LIST_HEAD(&master->datagram_queue);
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   138
    master->datagram_index = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   139
95
0066de7a456d Domains als Liste verwaltet.
Florian Pose <fp@igh-essen.com>
parents: 94
diff changeset
   140
    INIT_LIST_HEAD(&master->domains);
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   141
    master->debug_level = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   142
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   143
    master->stats.timeouts = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   144
    master->stats.corrupted = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   145
    master->stats.unmatched = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   146
    master->stats.output_jiffies = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   147
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   148
    for (i = 0; i < HZ; i++) {
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   149
        master->idle_cycle_times[i] = 0;
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   150
#ifdef EC_EOE
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   151
        master->eoe_cycle_times[i] = 0;
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   152
#endif
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   153
    }
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   154
    master->idle_cycle_time_pos = 0;
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   155
#ifdef EC_EOE
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   156
    master->eoe_cycle_time_pos = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   157
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
   158
    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
   159
    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
   160
    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
   161
    master->eoe_running = 0;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   162
    INIT_LIST_HEAD(&master->eoe_handlers);
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   163
#endif
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   164
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   165
    master->internal_lock = SPIN_LOCK_UNLOCKED;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   166
    master->request_cb = NULL;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   167
    master->release_cb = NULL;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   168
    master->cb_data = NULL;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   169
601
d6d951b766e3 Introduced EEPROM write requests: EEPROM write operations from user
Florian Pose <fp@igh-essen.com>
parents: 597
diff changeset
   170
    INIT_LIST_HEAD(&master->eeprom_requests);
d6d951b766e3 Introduced EEPROM write requests: EEPROM write operations from user
Florian Pose <fp@igh-essen.com>
parents: 597
diff changeset
   171
    init_MUTEX(&master->eeprom_sem);
d6d951b766e3 Introduced EEPROM write requests: EEPROM write operations from user
Florian Pose <fp@igh-essen.com>
parents: 597
diff changeset
   172
    init_waitqueue_head(&master->eeprom_queue);
d6d951b766e3 Introduced EEPROM write requests: EEPROM write operations from user
Florian Pose <fp@igh-essen.com>
parents: 597
diff changeset
   173
646
fbbd4e54e031 Implemented SDO reading with wait queues.
Florian Pose <fp@igh-essen.com>
parents: 643
diff changeset
   174
    INIT_LIST_HEAD(&master->sdo_requests);
441
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
   175
    init_MUTEX(&master->sdo_sem);
646
fbbd4e54e031 Implemented SDO reading with wait queues.
Florian Pose <fp@igh-essen.com>
parents: 643
diff changeset
   176
    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
   177
579
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   178
    // init devices
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   179
    if (ec_device_init(&master->main_device, master))
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   180
        goto out_return;
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   181
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   182
    if (ec_device_init(&master->backup_device, master))
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   183
        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
   184
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
   185
    // 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
   186
    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
   187
    snprintf(master->fsm_datagram.name, EC_DATAGRAM_NAME_SIZE, "master-fsm");
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
    if (ec_datagram_prealloc(&master->fsm_datagram, EC_MAX_DATA_SIZE)) {
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_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
   190
        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
   191
    }
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
   192
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   193
    // 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
   194
    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
   195
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   196
    // init kobject and add it to the hierarchy
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   197
    memset(&master->kobj, 0x00, sizeof(struct kobject));
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   198
    kobject_init(&master->kobj);
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   199
    master->kobj.ktype = &ktype_ec_master;
576
158c5a3d0a2a New module file /sys/ethercat, masters moved to /sys/ethercat/masterX.
Florian Pose <fp@igh-essen.com>
parents: 573
diff changeset
   200
    master->kobj.parent = module_kobj;
158c5a3d0a2a New module file /sys/ethercat, masters moved to /sys/ethercat/masterX.
Florian Pose <fp@igh-essen.com>
parents: 573
diff changeset
   201
    
158c5a3d0a2a New module file /sys/ethercat, masters moved to /sys/ethercat/masterX.
Florian Pose <fp@igh-essen.com>
parents: 573
diff changeset
   202
    if (kobject_set_name(&master->kobj, "master%i", index)) {
158c5a3d0a2a New module file /sys/ethercat, masters moved to /sys/ethercat/masterX.
Florian Pose <fp@igh-essen.com>
parents: 573
diff changeset
   203
        EC_ERR("Failed to set master kobject name.\n");
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents: 236
diff changeset
   204
        kobject_put(&master->kobj);
659
d7c5a958bad0 Removed unecessary clearing of EoE handlers in master init function;
Florian Pose <fp@igh-essen.com>
parents: 656
diff changeset
   205
        goto out_clear_fsm;
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
   206
    }
576
158c5a3d0a2a New module file /sys/ethercat, masters moved to /sys/ethercat/masterX.
Florian Pose <fp@igh-essen.com>
parents: 573
diff changeset
   207
    
484
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 483
diff changeset
   208
    if (kobject_add(&master->kobj)) {
576
158c5a3d0a2a New module file /sys/ethercat, masters moved to /sys/ethercat/masterX.
Florian Pose <fp@igh-essen.com>
parents: 573
diff changeset
   209
        EC_ERR("Failed to add master kobject.\n");
484
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 483
diff changeset
   210
        kobject_put(&master->kobj);
659
d7c5a958bad0 Removed unecessary clearing of EoE handlers in master init function;
Florian Pose <fp@igh-essen.com>
parents: 656
diff changeset
   211
        goto out_clear_fsm;
484
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 483
diff changeset
   212
    }
144
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
   213
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   214
    return 0;
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
   215
659
d7c5a958bad0 Removed unecessary clearing of EoE handlers in master init function;
Florian Pose <fp@igh-essen.com>
parents: 656
diff changeset
   216
out_clear_fsm:
d7c5a958bad0 Removed unecessary clearing of EoE handlers in master init function;
Florian Pose <fp@igh-essen.com>
parents: 656
diff changeset
   217
    ec_fsm_master_clear(&master->fsm);
d7c5a958bad0 Removed unecessary clearing of EoE handlers in master init function;
Florian Pose <fp@igh-essen.com>
parents: 656
diff changeset
   218
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
   219
    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
   220
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
   221
    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
   222
out_return:
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
   223
    return -1;
0
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   224
}
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
39
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents: 35
diff changeset
   226
/*****************************************************************************/
0
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   227
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   228
/**
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
   229
   Clear and free master.
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   230
   This method is called by the kobject,
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   231
   once there are no more references to it.
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   232
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   233
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   234
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
   235
        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
   236
        )
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   237
{
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   238
#ifdef EC_EOE
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   239
    ec_master_clear_eoe_handlers(master);
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   240
#endif
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   241
    ec_master_destroy_slaves(master);
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   242
    ec_master_destroy_domains(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
   243
    ec_fsm_master_clear(&master->fsm);
f789bdd78b54 Layed out slave state machines in own files fsm_slave.[ch]; renamed fsm.[ch] to fsm_master.[ch]
Florian Pose <fp@igh-essen.com>
parents: 527
diff changeset
   244
    ec_datagram_clear(&master->fsm_datagram);
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   245
    ec_device_clear(&master->backup_device);
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   246
    ec_device_clear(&master->main_device);
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   247
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   248
    // destroy self
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   249
    kobject_del(&master->kobj);
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   250
    kobject_put(&master->kobj);
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   251
}
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   252
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   253
/*****************************************************************************/
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   254
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   255
#ifdef EC_EOE
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   256
/**
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   257
 * Clear and free all EoE handlers.
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   258
 */
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   259
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   260
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
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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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    }
73
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}
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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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/**
448
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   Destroy all slaves.
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*/
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void ec_master_destroy_slaves(ec_master_t *master)
238
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{
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    ec_slave_t *slave, *next_slave;
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b4960499098f Added finite state machine (FSM) processing.
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    list_for_each_entry_safe(slave, next_slave, &master->slaves, list) {
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        list_del(&slave->list);
448
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        ec_slave_destroy(slave);
238
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    }
446
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238
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    master->slave_count = 0;
74
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}
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/*****************************************************************************/
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/**
448
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   Destroy all domains.
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*/
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void ec_master_destroy_domains(ec_master_t *master)
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{
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    ec_domain_t *domain, *next_d;
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    list_for_each_entry_safe(domain, next_d, &master->domains, list) {
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        list_del(&domain->list);
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        ec_domain_destroy(domain);
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    }
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}
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/*****************************************************************************/
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e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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/**
515
37aa1bfa0dee Internal locking callbacks, improved locking.
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   Internal locking callback.
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*/
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int ec_master_request_cb(void *master /**< callback data */)
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{
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    spin_lock(&((ec_master_t *) master)->internal_lock);
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   317
    return 0;
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   318
}
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/*****************************************************************************/
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   322
/**
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   Internal unlocking callback.
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   324
*/
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   326
void ec_master_release_cb(void *master /**< callback data */)
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   327
{
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   328
    spin_unlock(&((ec_master_t *) master)->internal_lock);
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   329
}
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   330
37aa1bfa0dee Internal locking callbacks, improved locking.
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   331
/*****************************************************************************/
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   332
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   333
/**
525
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   334
 * Starts the master thread.
656
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   335
 */
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   336
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   337
int ec_master_thread_start(
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diff changeset
   338
        ec_master_t *master, /**< EtherCAT master */
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   339
        int (*thread_func)(ec_master_t *) /**< thread function to start */
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diff changeset
   340
        )
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   341
{
525
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   342
    init_completion(&master->thread_exit);
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
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diff changeset
   343
540
a729667dea1e Minor changes in master thread messages.
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diff changeset
   344
    EC_INFO("Starting master thread.\n");
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
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diff changeset
   345
    if (!(master->thread_id = kernel_thread((int (*)(void *)) thread_func,
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
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diff changeset
   346
                    master, CLONE_KERNEL)))
525
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   347
        return -1;
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diff changeset
   348
    
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diff changeset
   349
    return 0;
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diff changeset
   350
}
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   351
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   352
/*****************************************************************************/
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diff changeset
   353
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diff changeset
   354
/**
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diff changeset
   355
 * Stops the master thread.
656
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diff changeset
   356
 */
525
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diff changeset
   357
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diff changeset
   358
void ec_master_thread_stop(ec_master_t *master /**< EtherCAT master */)
8b20781bd1e0 Master workqueue replaced with kernel thread.
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diff changeset
   359
{
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
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diff changeset
   360
    if (!master->thread_id) {
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
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diff changeset
   361
        EC_WARN("ec_master_thread_stop: Already finished!\n");
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diff changeset
   362
        return;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
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diff changeset
   363
    }
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
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diff changeset
   364
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
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diff changeset
   365
    kill_proc(master->thread_id, SIGTERM, 1);
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diff changeset
   366
    wait_for_completion(&master->thread_exit);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
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diff changeset
   367
    EC_INFO("Master thread exited.\n");
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
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diff changeset
   368
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
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diff changeset
   369
    if (master->fsm_datagram.state != EC_DATAGRAM_SENT) return;
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
    // wait for FSM datagram
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
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diff changeset
   372
    while (get_cycles() - master->fsm_datagram.cycles_sent
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
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diff changeset
   373
            < (cycles_t) EC_IO_TIMEOUT /* us */ * (cpu_khz / 1000))
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diff changeset
   374
        schedule();
525
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diff changeset
   375
}
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   376
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   377
/*****************************************************************************/
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   378
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diff changeset
   379
/**
527
3eea08638522 Added some documentation.
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diff changeset
   380
 * Transition function from ORPHANED to IDLE mode.
656
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diff changeset
   381
 */
446
8fede404c01f Persistent slave lists.
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diff changeset
   382
8fede404c01f Persistent slave lists.
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diff changeset
   383
int ec_master_enter_idle_mode(ec_master_t *master /**< EtherCAT master */)
8fede404c01f Persistent slave lists.
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diff changeset
   384
{
515
37aa1bfa0dee Internal locking callbacks, improved locking.
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diff changeset
   385
    master->request_cb = ec_master_request_cb;
37aa1bfa0dee Internal locking callbacks, improved locking.
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diff changeset
   386
    master->release_cb = ec_master_release_cb;
37aa1bfa0dee Internal locking callbacks, improved locking.
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parents: 511
diff changeset
   387
    master->cb_data = master;
637
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parents: 612
diff changeset
   388
446
8fede404c01f Persistent slave lists.
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diff changeset
   389
    master->mode = EC_MASTER_MODE_IDLE;
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
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parents: 651
diff changeset
   390
    if (ec_master_thread_start(master, ec_master_idle_thread)) {
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
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parents: 524
diff changeset
   391
        master->mode = EC_MASTER_MODE_ORPHANED;
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diff changeset
   392
        return -1;
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parents: 524
diff changeset
   393
    }
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diff changeset
   394
446
8fede404c01f Persistent slave lists.
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diff changeset
   395
    return 0;
8fede404c01f Persistent slave lists.
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parents: 444
diff changeset
   396
}
8fede404c01f Persistent slave lists.
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diff changeset
   397
8fede404c01f Persistent slave lists.
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diff changeset
   398
/*****************************************************************************/
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   399
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   400
/**
527
3eea08638522 Added some documentation.
Florian Pose <fp@igh-essen.com>
parents: 525
diff changeset
   401
 * Transition function from IDLE to ORPHANED mode.
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   402
 */
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   403
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   404
void ec_master_leave_idle_mode(ec_master_t *master /**< EtherCAT master */)
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   405
{
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   406
    master->mode = EC_MASTER_MODE_ORPHANED;
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   407
    
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   408
#ifdef EC_EOE
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   409
    ec_master_eoe_stop(master);
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   410
#endif
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   411
    ec_master_thread_stop(master);
589
492148a329e7 Destroy slaves when leaving idle mode.
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   412
    ec_master_destroy_slaves(master);
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   413
}
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   414
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   415
/*****************************************************************************/
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   416
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   417
/**
527
3eea08638522 Added some documentation.
Florian Pose <fp@igh-essen.com>
parents: 525
diff changeset
   418
 * Transition function from IDLE to OPERATION mode.
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   419
 */
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   420
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   421
int ec_master_enter_operation_mode(ec_master_t *master /**< EtherCAT master */)
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   422
{
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   423
    ec_slave_t *slave;
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   424
#ifdef EC_EOE
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   425
    ec_eoe_t *eoe;
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   426
#endif
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   427
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   428
    down(&master->config_sem);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   429
    master->allow_config = 0; // temporarily disable slave configuration
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   430
    up(&master->config_sem);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   431
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   432
    // wait for slave configuration to complete
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   433
    if (wait_event_interruptible(master->config_queue,
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   434
                master->config_state != EC_REQUEST_IN_PROGRESS)) {
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   435
        EC_INFO("Finishing slave configuration interrupted by signal.\n");
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   436
        goto out_allow;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   437
    }
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   438
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   439
    if (master->debug_level)
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   440
        EC_DBG("Waiting for pending slave configuration returned.\n");
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   441
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   442
    down(&master->scan_sem);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   443
    master->allow_scan = 0; // 'lock' the slave list
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   444
    up(&master->scan_sem);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   445
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   446
    // wait for slave scan to complete
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   447
    if (wait_event_interruptible(master->scan_queue,
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   448
                master->scan_state != EC_REQUEST_IN_PROGRESS)) {
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   449
        EC_INFO("Waiting for slave scan interrupted by signal.\n");
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   450
        goto out_allow;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   451
    }
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   452
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   453
    if (master->debug_level)
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   454
        EC_DBG("Waiting for pending slave scan returned.\n");
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   455
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   456
    // set states for all slaves
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   457
    list_for_each_entry(slave, &master->slaves, list) {
643
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
   458
        ec_slave_request_state(slave, EC_SLAVE_STATE_PREOP);
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   459
    }
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   460
#ifdef EC_EOE
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   461
    // ... but set EoE slaves to OP
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   462
    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
   463
        if (ec_eoe_is_open(eoe))
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   464
            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
   465
    }
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   466
#endif
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   467
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   468
    if (master->debug_level)
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   469
        EC_DBG("Switching to operation mode.\n");
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   470
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   471
    master->mode = EC_MASTER_MODE_OPERATION;
612
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
   472
    master->pdo_slaves_offline = 0; // assume all PDO slaves online
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
   473
    master->frames_timed_out = 0;
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   474
    master->ext_request_cb = NULL;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   475
    master->ext_release_cb = NULL;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   476
    master->ext_cb_data = NULL;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   477
    return 0;
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   478
    
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   479
out_allow:
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   480
    master->allow_scan = 1;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   481
    master->allow_config = 1;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   482
    return -1;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   483
}
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   484
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   485
/*****************************************************************************/
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   486
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   487
/**
527
3eea08638522 Added some documentation.
Florian Pose <fp@igh-essen.com>
parents: 525
diff changeset
   488
 * Transition function from OPERATION to IDLE mode.
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   489
 */
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   490
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   491
void ec_master_leave_operation_mode(ec_master_t *master
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   492
                                    /**< EtherCAT master */)
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   493
{
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   494
    ec_slave_t *slave;
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   495
#ifdef EC_EOE
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   496
    ec_eoe_t *eoe;
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   497
#endif
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   498
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   499
    master->mode = EC_MASTER_MODE_IDLE;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   500
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   501
#ifdef EC_EOE
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   502
    ec_master_eoe_stop(master);
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   503
#endif
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   504
    ec_master_thread_stop(master);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   505
    
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   506
    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
   507
    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
   508
    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
   509
    
449
3caf8ff4d8a2 Moved functionality of ecrt_master_deactivate() (now deprecated) to ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 448
diff changeset
   510
    // set states for all slaves
3caf8ff4d8a2 Moved functionality of ecrt_master_deactivate() (now deprecated) to ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 448
diff changeset
   511
    list_for_each_entry(slave, &master->slaves, list) {
467
2274de57ca84 Remove estimated sync manager sizes when leaving operation mode.
Florian Pose <fp@igh-essen.com>
parents: 462
diff changeset
   512
        ec_slave_reset(slave);
449
3caf8ff4d8a2 Moved functionality of ecrt_master_deactivate() (now deprecated) to ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 448
diff changeset
   513
        ec_slave_request_state(slave, EC_SLAVE_STATE_PREOP);
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   514
    }
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   515
#ifdef EC_EOE
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   516
    // ... but leave EoE slaves in OP
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   517
    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
   518
        if (ec_eoe_is_open(eoe))
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   519
            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
   520
    }
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   521
#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
   522
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   523
    ec_master_destroy_domains(master);
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   524
    
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   525
    if (ec_master_thread_start(master, ec_master_idle_thread))
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   526
        EC_WARN("Failed to restart master thread!\n");
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   527
#ifdef EC_EOE
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   528
    ec_master_eoe_start(master);
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   529
#endif
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
   530
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   531
    master->allow_scan = 1;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   532
    master->allow_config = 1;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   533
}
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   534
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   535
/*****************************************************************************/
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   536
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   537
/**
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   538
   Places a datagram in the datagram queue.
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   539
*/
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   540
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   541
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
   542
                              ec_datagram_t *datagram /**< datagram */
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   543
                              )
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   544
{
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   545
    ec_datagram_t *queued_datagram;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   546
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   547
    // check, if the datagram is already queued
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   548
    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
   549
        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
   550
            datagram->skip_count++;
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   551
            if (master->debug_level)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   552
                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
   553
            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
   554
            return;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   555
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   556
    }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   557
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   558
    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
   559
    datagram->state = EC_DATAGRAM_QUEUED;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   560
}
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   561
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   562
/*****************************************************************************/
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   563
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   564
/**
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   565
   Sends the datagrams in the queue.
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   566
   \return 0 in case of success, else < 0
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   567
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   568
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   569
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
   570
{
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   571
    ec_datagram_t *datagram, *next;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   572
    size_t datagram_size;
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   573
    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
   574
    void *follows_word;
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   575
    cycles_t cycles_start, cycles_sent, cycles_end;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   576
    unsigned long jiffies_sent;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   577
    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
   578
    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
   579
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   580
    cycles_start = get_cycles();
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   581
    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
   582
    INIT_LIST_HEAD(&sent_datagrams);
208
b7797f8a813d command timeout, EoE processing with kernel timer.
Florian Pose <fp@igh-essen.com>
parents: 206
diff changeset
   583
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   584
    if (unlikely(master->debug_level > 1))
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   585
        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
   586
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   587
    do {
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   588
        // 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
   589
        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
   590
        cur_data = frame_data + EC_FRAME_HEADER_SIZE;
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   591
        follows_word = NULL;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   592
        more_datagrams_waiting = 0;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   593
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   594
        // fill current frame with datagrams
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   595
        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
   596
            if (datagram->state != EC_DATAGRAM_QUEUED) continue;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   597
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   598
            // does the current datagram fit in the frame?
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   599
            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
   600
                + EC_DATAGRAM_FOOTER_SIZE;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   601
            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
   602
                more_datagrams_waiting = 1;
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   603
                break;
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   604
            }
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   605
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   606
            list_add_tail(&datagram->sent, &sent_datagrams);
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   607
            datagram->index = master->datagram_index++;
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   608
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   609
            if (unlikely(master->debug_level > 1))
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   610
                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
   611
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   612
            // set "datagram following" flag in previous frame
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   613
            if (follows_word)
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   614
                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
   615
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   616
            // EtherCAT datagram header
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   617
            EC_WRITE_U8 (cur_data,     datagram->type);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   618
            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
   619
            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
   620
            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
   621
            EC_WRITE_U16(cur_data + 8, 0x0000);
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   622
            follows_word = cur_data + 6;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   623
            cur_data += EC_DATAGRAM_HEADER_SIZE;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   624
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   625
            // EtherCAT datagram data
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   626
            memcpy(cur_data, datagram->data, datagram->data_size);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   627
            cur_data += datagram->data_size;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   628
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   629
            // EtherCAT datagram footer
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   630
            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
   631
            cur_data += EC_DATAGRAM_FOOTER_SIZE;
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   632
        }
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   633
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   634
        if (list_empty(&sent_datagrams)) {
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   635
            if (unlikely(master->debug_level > 1))
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   636
                EC_DBG("nothing to send.\n");
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   637
            break;
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   638
        }
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   639
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   640
        // EtherCAT frame header
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   641
        EC_WRITE_U16(frame_data, ((cur_data - frame_data
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   642
                                   - EC_FRAME_HEADER_SIZE) & 0x7FF) | 0x1000);
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   643
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   644
        // pad frame
211
c684b6b7adaf Using kernel Ethernet constants.
Florian Pose <fp@igh-essen.com>
parents: 208
diff changeset
   645
        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
   646
            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
   647
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   648
        if (unlikely(master->debug_level > 1))
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   649
            EC_DBG("frame size: %i\n", cur_data - frame_data);
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   650
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   651
        // 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
   652
        ec_device_send(&master->main_device, cur_data - frame_data);
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   653
        cycles_sent = get_cycles();
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   654
        jiffies_sent = jiffies;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   655
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   656
        // 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
   657
        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
   658
            datagram->state = EC_DATAGRAM_SENT;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   659
            datagram->cycles_sent = cycles_sent;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   660
            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
   661
            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
   662
        }
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   663
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   664
        frame_count++;
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   665
    }
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   666
    while (more_datagrams_waiting);
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   667
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   668
    if (unlikely(master->debug_level > 1)) {
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   669
        cycles_end = get_cycles();
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   670
        EC_DBG("ec_master_send_datagrams sent %i frames in %ius.\n",
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   671
               frame_count,
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   672
               (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
   673
    }
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   674
}
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   675
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   676
/*****************************************************************************/
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   677
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   678
/**
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   679
   Processes a received frame.
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   680
   This function is called by the network driver for every received frame.
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   681
   \return 0 in case of success, else < 0
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   682
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   683
331
17f58fe99511 Renamed ec_master_receive() to ec_master_receive_datagrams().
Florian Pose <fp@igh-essen.com>
parents: 330
diff changeset
   684
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
   685
                                 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
   686
                                 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
   687
                                 )
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   688
{
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   689
    size_t frame_size, data_size;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   690
    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
   691
    unsigned int cmd_follows, matched;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   692
    const uint8_t *cur_data;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   693
    ec_datagram_t *datagram;
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   694
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   695
    if (unlikely(size < EC_FRAME_HEADER_SIZE)) {
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   696
        master->stats.corrupted++;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   697
        ec_master_output_stats(master);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   698
        return;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   699
    }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   700
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   701
    cur_data = frame_data;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   702
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   703
    // 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
   704
    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
   705
    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
   706
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   707
    if (unlikely(frame_size > size)) {
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   708
        master->stats.corrupted++;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   709
        ec_master_output_stats(master);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   710
        return;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   711
    }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   712
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   713
    cmd_follows = 1;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   714
    while (cmd_follows) {
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   715
        // process datagram header
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   716
        datagram_type  = EC_READ_U8 (cur_data);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   717
        datagram_index = EC_READ_U8 (cur_data + 1);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   718
        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
   719
        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
   720
        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
   721
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   722
        if (unlikely(cur_data - frame_data
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   723
                     + data_size + EC_DATAGRAM_FOOTER_SIZE > size)) {
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   724
            master->stats.corrupted++;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   725
            ec_master_output_stats(master);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   726
            return;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   727
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   728
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   729
        // 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
   730
        matched = 0;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   731
        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
   732
            if (datagram->index == datagram_index
5e231f6a3d2e Re-ordered criteria for datagram matching.
Florian Pose <fp@igh-essen.com>
parents: 688
diff changeset
   733
                && datagram->state == EC_DATAGRAM_SENT
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   734
                && datagram->type == datagram_type
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   735
                && 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
   736
                matched = 1;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   737
                break;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   738
            }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   739
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   740
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   741
        // 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
   742
        if (!matched) {
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   743
            master->stats.unmatched++;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   744
            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
   745
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
   746
            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
   747
                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
   748
                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
   749
                        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
   750
                        + 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
   751
#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
   752
                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
   753
#endif
684
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
   754
            }
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
   755
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   756
            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
   757
            continue;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   758
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   759
345
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
   760
        // copy received data into the datagram memory
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   761
        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
   762
        cur_data += data_size;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   763
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   764
        // set the datagram's working counter
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   765
        datagram->working_counter = EC_READ_U16(cur_data);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   766
        cur_data += EC_DATAGRAM_FOOTER_SIZE;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   767
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   768
        // 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
   769
        datagram->state = EC_DATAGRAM_RECEIVED;
579
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   770
        datagram->cycles_received = master->main_device.cycles_poll;
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   771
        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
   772
        list_del_init(&datagram->queue);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   773
    }
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   774
}
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   775
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   776
/*****************************************************************************/
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   777
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   778
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   779
   Output statistics in cyclic mode.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   780
   This function outputs statistical data on demand, but not more often than
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   781
   necessary. The output happens at most once a second.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   782
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   783
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   784
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
   785
{
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   786
    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
   787
        master->stats.output_jiffies = jiffies;
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   788
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   789
        if (master->stats.timeouts) {
396
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   790
            EC_WARN("%i datagram%s TIMED OUT!\n", master->stats.timeouts,
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   791
                    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
   792
            master->stats.timeouts = 0;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   793
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   794
        if (master->stats.corrupted) {
396
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   795
            EC_WARN("%i frame%s CORRUPTED!\n", master->stats.corrupted,
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   796
                    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
   797
            master->stats.corrupted = 0;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   798
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   799
        if (master->stats.unmatched) {
396
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   800
            EC_WARN("%i datagram%s UNMATCHED!\n", master->stats.unmatched,
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   801
                    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
   802
            master->stats.unmatched = 0;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   803
        }
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   804
    }
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   805
}
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   806
68
a452700db994 Neue ASCII-Adressierung und Code-Dokumantation.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
   807
/*****************************************************************************/
a452700db994 Neue ASCII-Adressierung und Code-Dokumantation.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
   808
a452700db994 Neue ASCII-Adressierung und Code-Dokumantation.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
   809
/**
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   810
 * Master kernel thread function for IDLE mode.
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   811
 */
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   812
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   813
static int ec_master_idle_thread(ec_master_t *master)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   814
{
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   815
    cycles_t cycles_start, cycles_end;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   816
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   817
    daemonize("EtherCAT-IDLE");
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   818
    allow_signal(SIGTERM);
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   819
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   820
    while (!signal_pending(current)) {
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   821
        cycles_start = get_cycles();
719
03d5b96632fb Store skipped information in datagrams; name datagrams for statistics
Florian Pose <fp@igh-essen.com>
parents: 715
diff changeset
   822
        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
   823
691
77b79a29e0e7 Included datagram queuing in critical section in idle task; added some
Florian Pose <fp@igh-essen.com>
parents: 690
diff changeset
   824
        if (ec_fsm_master_running(&master->fsm)) { // datagram on the way
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   825
            // receive
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   826
            spin_lock_bh(&master->internal_lock);
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   827
            ecrt_master_receive(master);
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   828
            spin_unlock_bh(&master->internal_lock);
691
77b79a29e0e7 Included datagram queuing in critical section in idle task; added some
Florian Pose <fp@igh-essen.com>
parents: 690
diff changeset
   829
77b79a29e0e7 Included datagram queuing in critical section in idle task; added some
Florian Pose <fp@igh-essen.com>
parents: 690
diff changeset
   830
            if (master->fsm_datagram.state == EC_DATAGRAM_SENT)
77b79a29e0e7 Included datagram queuing in critical section in idle task; added some
Florian Pose <fp@igh-essen.com>
parents: 690
diff changeset
   831
                goto schedule;
77b79a29e0e7 Included datagram queuing in critical section in idle task; added some
Florian Pose <fp@igh-essen.com>
parents: 690
diff changeset
   832
        }
651
8c11399cc911 Fixed skipped datagrams when not in FSM idle phase.
Florian Pose <fp@igh-essen.com>
parents: 650
diff changeset
   833
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   834
        // execute master state machine
691
77b79a29e0e7 Included datagram queuing in critical section in idle task; added some
Florian Pose <fp@igh-essen.com>
parents: 690
diff changeset
   835
        if (ec_fsm_master_exec(&master->fsm)) { // datagram ready for sending
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   836
            // queue and send
691
77b79a29e0e7 Included datagram queuing in critical section in idle task; added some
Florian Pose <fp@igh-essen.com>
parents: 690
diff changeset
   837
            spin_lock_bh(&master->internal_lock);
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   838
            ec_master_queue_datagram(master, &master->fsm_datagram);
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   839
            ecrt_master_send(master);
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   840
            spin_unlock_bh(&master->internal_lock);
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   841
        }
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   842
        
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   843
        cycles_end = get_cycles();
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   844
        master->idle_cycle_times[master->idle_cycle_time_pos]
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   845
            = (u32) (cycles_end - cycles_start) * 1000 / cpu_khz;
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   846
        master->idle_cycle_time_pos++;
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   847
        master->idle_cycle_time_pos %= HZ;
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   848
651
8c11399cc911 Fixed skipped datagrams when not in FSM idle phase.
Florian Pose <fp@igh-essen.com>
parents: 650
diff changeset
   849
schedule:
650
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   850
        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
   851
            set_current_state(TASK_INTERRUPTIBLE);
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   852
            schedule_timeout(1);
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   853
        }
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   854
        else {
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   855
            schedule();
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   856
        }
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   857
    }
518
b6a1426ba724 Fixed race: Stop EoE processing when entering or leaving operation mode.
Florian Pose <fp@igh-essen.com>
parents: 517
diff changeset
   858
    
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   859
    master->thread_id = 0;
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   860
    if (master->debug_level)
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   861
        EC_DBG("Master IDLE thread exiting...\n");
525
8b20781bd1e0 Master workqueue replaced with kernel thread.
Florian Pose <fp@igh-essen.com>
parents: 524
diff changeset
   862
    complete_and_exit(&master->thread_exit, 0);
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   863
}
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   864
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   865
/*****************************************************************************/
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   866
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   867
/**
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   868
 * Master kernel thread function for IDLE mode.
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   869
 */
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   870
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   871
static int ec_master_operation_thread(ec_master_t *master)
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   872
{
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   873
    cycles_t cycles_start, cycles_end;
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   874
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   875
    daemonize("EtherCAT-OP");
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   876
    allow_signal(SIGTERM);
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   877
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   878
    while (!signal_pending(current)) {
719
03d5b96632fb Store skipped information in datagrams; name datagrams for statistics
Florian Pose <fp@igh-essen.com>
parents: 715
diff changeset
   879
        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
   880
        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
   881
                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
   882
                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
   883
            goto schedule;
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   884
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   885
        cycles_start = get_cycles();
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   886
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   887
        // output statistics
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   888
        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
   889
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   890
        // execute master state machine
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   891
        if (ec_fsm_master_exec(&master->fsm)) {
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   892
            // inject datagram
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   893
            master->injection_seq_fsm++;
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   894
        }
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   895
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   896
        cycles_end = get_cycles();
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   897
        master->idle_cycle_times[master->idle_cycle_time_pos]
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   898
            = (u32) (cycles_end - cycles_start) * 1000 / cpu_khz;
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   899
        master->idle_cycle_time_pos++;
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   900
        master->idle_cycle_time_pos %= HZ;
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   901
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   902
schedule:
650
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   903
        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
   904
            set_current_state(TASK_INTERRUPTIBLE);
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   905
            schedule_timeout(1);
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   906
        }
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   907
        else {
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   908
            schedule();
c68995623e94 Introduced idle flag in master state machine.
Florian Pose <fp@igh-essen.com>
parents: 648
diff changeset
   909
        }
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   910
    }
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   911
    
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   912
    master->thread_id = 0;
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   913
    if (master->debug_level)
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
   914
        EC_DBG("Master OP thread exiting...\n");
637
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   915
    complete_and_exit(&master->thread_exit, 0);
d5d04c868e0e Removed ecrt_master_run(), removed datagram queueing from state
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   916
}
578
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   917
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   918
/*****************************************************************************/
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   919
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   920
ssize_t ec_master_device_info(
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   921
        const ec_device_t *device,
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   922
        const uint8_t *mac,
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   923
        char *buffer
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   924
        )
578
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   925
{
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   926
    unsigned int frames_lost;
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   927
    off_t off = 0;
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   928
    
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   929
    if (ec_mac_is_zero(mac)) {
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   930
        off += sprintf(buffer + off, "none.\n");
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   931
    }
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   932
    else {
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   933
        off += ec_mac_print(mac, buffer + off);
578
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   934
    
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   935
        if (device->dev) {
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   936
            off += sprintf(buffer + off, " (connected).\n");      
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   937
            off += sprintf(buffer + off, "    Frames sent:     %u\n",
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   938
                    device->tx_count);
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   939
            off += sprintf(buffer + off, "    Frames received: %u\n",
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   940
                    device->rx_count);
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   941
            frames_lost = device->tx_count - device->rx_count;
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   942
            if (frames_lost) frames_lost--;
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   943
            off += sprintf(buffer + off, "    Frames lost:     %u\n", frames_lost);
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   944
        }
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   945
        else {
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   946
            off += sprintf(buffer + off, " (WAITING).\n");      
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   947
        }
578
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   948
    }
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   949
    
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   950
    return off;
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   951
}
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   952
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   953
/*****************************************************************************/
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   954
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   955
/**
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   956
   Formats master information for SysFS read access.
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   957
   \return number of bytes written
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   958
*/
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   959
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   960
ssize_t ec_master_info(ec_master_t *master, /**< EtherCAT master */
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   961
                       char *buffer /**< memory to store data */
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   962
                       )
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   963
{
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   964
    off_t off = 0;
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   965
#ifdef EC_EOE
336
360e5287c888 EoE rate statistics.
Florian Pose <fp@igh-essen.com>
parents: 335
diff changeset
   966
    ec_eoe_t *eoe;
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
   967
#endif
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   968
    uint32_t cur, sum, min, max, pos, i;
578
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   969
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   970
    off += sprintf(buffer + off, "\nMode: ");
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   971
    switch (master->mode) {
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   972
        case EC_MASTER_MODE_ORPHANED:
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   973
            off += sprintf(buffer + off, "ORPHANED");
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   974
            break;
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   975
        case EC_MASTER_MODE_IDLE:
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   976
            off += sprintf(buffer + off, "IDLE");
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   977
            break;
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   978
        case EC_MASTER_MODE_OPERATION:
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   979
            off += sprintf(buffer + off, "OPERATION");
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   980
            break;
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   981
    }
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   982
339
a3a4ee854bd8 Minor changes.
Florian Pose <fp@igh-essen.com>
parents: 337
diff changeset
   983
    off += sprintf(buffer + off, "\nSlaves: %i\n",
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   984
                   master->slave_count);
714
898f87414af1 Show bus status and PDO slaves status in master info file.
Florian Pose <fp@igh-essen.com>
parents: 708
diff changeset
   985
    off += sprintf(buffer + off, "Status: %s\n",
898f87414af1 Show bus status and PDO slaves status in master info file.
Florian Pose <fp@igh-essen.com>
parents: 708
diff changeset
   986
                   master->fsm.tainted ? "TAINTED" : "sane");
898f87414af1 Show bus status and PDO slaves status in master info file.
Florian Pose <fp@igh-essen.com>
parents: 708
diff changeset
   987
    off += sprintf(buffer + off, "PDO slaves: %s\n",
898f87414af1 Show bus status and PDO slaves status in master info file.
Florian Pose <fp@igh-essen.com>
parents: 708
diff changeset
   988
                   master->pdo_slaves_offline ? "INCOMPLETE" : "online");
578
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   989
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   990
    off += sprintf(buffer + off, "\nDevices:\n");
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   991
    
648
0a6d38ec463f Made waiting for device semaphore uninterruptible.
Florian Pose <fp@igh-essen.com>
parents: 647
diff changeset
   992
    down(&master->device_sem);
578
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   993
    off += sprintf(buffer + off, "  Main: ");
579
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   994
    off += ec_master_device_info(&master->main_device,
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   995
            master->main_mac, buffer + off);
578
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   996
    off += sprintf(buffer + off, "  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
   997
    off += ec_master_device_info(&master->backup_device,
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 637
diff changeset
   998
            master->backup_mac, buffer + off);
578
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   999
    up(&master->device_sem);
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1000
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1001
    off += sprintf(buffer + off, "\nTiming (min/avg/max) [us]:\n");
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1002
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1003
    sum = 0;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1004
    min = 0xFFFFFFFF;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1005
    max = 0;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1006
    pos = master->idle_cycle_time_pos;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1007
    for (i = 0; i < HZ; i++) {
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1008
        cur = master->idle_cycle_times[(i + pos) % HZ];
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1009
        sum += cur;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1010
        if (cur < min) min = cur;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1011
        if (cur > max) max = cur;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1012
    }
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1013
    off += sprintf(buffer + off, "  Idle cycle: %u / %u.%u / %u\n",
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1014
                   min, sum / HZ, (sum * 100 / HZ) % 100, max);
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1015
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
  1016
#ifdef EC_EOE
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1017
    sum = 0;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1018
    min = 0xFFFFFFFF;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1019
    max = 0;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1020
    pos = master->eoe_cycle_time_pos;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1021
    for (i = 0; i < HZ; i++) {
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1022
        cur = master->eoe_cycle_times[(i + pos) % HZ];
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1023
        sum += cur;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1024
        if (cur < min) min = cur;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1025
        if (cur > max) max = cur;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1026
    }
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1027
    off += sprintf(buffer + off, "  EoE cycle: %u / %u.%u / %u\n",
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1028
                   min, sum / HZ, (sum * 100 / HZ) % 100, max);
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1029
336
360e5287c888 EoE rate statistics.
Florian Pose <fp@igh-essen.com>
parents: 335
diff changeset
  1030
    if (!list_empty(&master->eoe_handlers))
339
a3a4ee854bd8 Minor changes.
Florian Pose <fp@igh-essen.com>
parents: 337
diff changeset
  1031
        off += sprintf(buffer + off, "\nEoE statistics (RX/TX) [bps]:\n");
336
360e5287c888 EoE rate statistics.
Florian Pose <fp@igh-essen.com>
parents: 335
diff changeset
  1032
    list_for_each_entry(eoe, &master->eoe_handlers, list) {
341
f8aa65e05ff4 Added EoE rate in KB/s to master info.
Florian Pose <fp@igh-essen.com>
parents: 339
diff changeset
  1033
        off += sprintf(buffer + off, "  %s: %u / %u (%u KB/s)\n",
f8aa65e05ff4 Added EoE rate in KB/s to master info.
Florian Pose <fp@igh-essen.com>
parents: 339
diff changeset
  1034
                       eoe->dev->name, eoe->rx_rate, eoe->tx_rate,
f8aa65e05ff4 Added EoE rate in KB/s to master info.
Florian Pose <fp@igh-essen.com>
parents: 339
diff changeset
  1035
                       ((eoe->rx_rate + eoe->tx_rate) / 8 + 512) / 1024);
336
360e5287c888 EoE rate statistics.
Florian Pose <fp@igh-essen.com>
parents: 335
diff changeset
  1036
    }
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
  1037
#endif
336
360e5287c888 EoE rate statistics.
Florian Pose <fp@igh-essen.com>
parents: 335
diff changeset
  1038
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1039
    off += sprintf(buffer + off, "\n");
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1040
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1041
    return off;
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1042
}
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1043
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1044
/*****************************************************************************/
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1045
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1046
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1047
   Formats attribute data for SysFS read access.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1048
   \return number of bytes to read
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1049
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1050
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1051
ssize_t ec_show_master_attribute(struct kobject *kobj, /**< kobject */
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1052
                                 struct attribute *attr, /**< attribute */
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1053
                                 char *buffer /**< memory to store data */
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1054
                                 )
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1055
{
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1056
    ec_master_t *master = container_of(kobj, ec_master_t, kobj);
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1057
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1058
    if (attr == &attr_info) {
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1059
        return ec_master_info(master, buffer);
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
  1060
    }
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1061
    else if (attr == &attr_debug_level) {
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1062
        return sprintf(buffer, "%i\n", master->debug_level);
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1063
    }
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1064
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1065
    return 0;
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1066
}
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1067
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1068
/*****************************************************************************/
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1069
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1070
/**
268
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1071
   Formats attribute data for SysFS write access.
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1072
   \return number of bytes processed, or negative error code
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1073
*/
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1074
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1075
ssize_t ec_store_master_attribute(struct kobject *kobj, /**< slave's kobject */
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1076
                                  struct attribute *attr, /**< attribute */
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1077
                                  const char *buffer, /**< memory with data */
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1078
                                  size_t size /**< size of data to store */
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1079
                                  )
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1080
{
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1081
    ec_master_t *master = container_of(kobj, ec_master_t, kobj);
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1082
597
3a2c2d6ca5e9 Removed eeprom_write_enable file.
Florian Pose <fp@igh-essen.com>
parents: 589
diff changeset
  1083
    if (attr == &attr_debug_level) {
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1084
        if (!strcmp(buffer, "0\n")) {
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1085
            master->debug_level = 0;
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1086
        }
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1087
        else if (!strcmp(buffer, "1\n")) {
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1088
            master->debug_level = 1;
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1089
        }
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1090
        else if (!strcmp(buffer, "2\n")) {
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1091
            master->debug_level = 2;
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1092
        }
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1093
        else {
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1094
            EC_ERR("Invalid debug level value!\n");
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1095
            return -EINVAL;
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1096
        }
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1097
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1098
        EC_INFO("Master debug level set to %i.\n", master->debug_level);
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1099
        return size;
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1100
    }
268
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1101
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1102
    return -EINVAL;
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1103
}
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1104
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1105
/*****************************************************************************/
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1106
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
  1107
#ifdef EC_EOE
268
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1108
/**
326
ddb48b173680 Fixed bug with ec_master_eoe_start() does new coupling all the time.
Florian Pose <fp@igh-essen.com>
parents: 325
diff changeset
  1109
   Starts Ethernet-over-EtherCAT processing on demand.
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1110
*/
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1111
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1112
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
  1113
{
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1114
    if (master->eoe_running) {
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1115
        EC_WARN("EoE already running!\n");
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1116
        return;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1117
    }
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1118
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1119
    if (list_empty(&master->eoe_handlers))
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1120
        return;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1121
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1122
    if (!master->request_cb || !master->release_cb) {
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1123
        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
  1124
        return;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1125
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1126
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1127
    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
  1128
    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
  1129
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1130
    // start EoE processing
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1131
    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
  1132
    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
  1133
}
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1134
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1135
/*****************************************************************************/
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1136
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1137
/**
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1138
   Stops the Ethernet-over-EtherCAT processing.
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1139
*/
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1140
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1141
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
  1142
{
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1143
    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
  1144
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1145
    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
  1146
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1147
    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
  1148
    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
  1149
}
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1150
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1151
/*****************************************************************************/
441
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1152
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1153
/**
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1154
   Does the Ethernet-over-EtherCAT processing.
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1155
*/
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1156
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1157
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
  1158
{
60a10d85c20b Prepared EoE processing with workqueue.
Florian Pose <fp@igh-essen.com>
parents: 204
diff changeset
  1159
    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
  1160
    ec_eoe_t *eoe;
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1161
    unsigned int none_open = 1;
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1162
    cycles_t cycles_start, cycles_end;
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1163
    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
  1164
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1165
    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
  1166
        if (ec_eoe_is_open(eoe)) {
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1167
            none_open = 0;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1168
            break;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1169
        }
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1170
    }
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1171
    if (none_open)
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1172
        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
  1173
721
ebc2fd3e09e5 Improved EoE handling: Avoided skipping of datagrams and release lock
Florian Pose <fp@igh-essen.com>
parents: 720
diff changeset
  1174
    // receive datagrams
663
38d9c37664d9 Completely lock master while an EoE cycle is executing.
Florian Pose <fp@igh-essen.com>
parents: 661
diff changeset
  1175
    if (master->request_cb(master->cb_data)) goto queue_timer;
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1176
    cycles_start = get_cycles();
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1177
    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
  1178
    master->release_cb(master->cb_data);
515
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
  1179
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
  1180
    // 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
  1181
    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
  1182
        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
  1183
    }
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1184
515
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
  1185
    // send datagrams
721
ebc2fd3e09e5 Improved EoE handling: Avoided skipping of datagrams and release lock
Florian Pose <fp@igh-essen.com>
parents: 720
diff changeset
  1186
    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
  1187
        goto queue_timer;
ebc2fd3e09e5 Improved EoE handling: Avoided skipping of datagrams and release lock
Florian Pose <fp@igh-essen.com>
parents: 720
diff changeset
  1188
    }
ebc2fd3e09e5 Improved EoE handling: Avoided skipping of datagrams and release lock
Florian Pose <fp@igh-essen.com>
parents: 720
diff changeset
  1189
    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
  1190
        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
  1191
    }
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1192
    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
  1193
    master->release_cb(master->cb_data);
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1194
    cycles_end = get_cycles();
663
38d9c37664d9 Completely lock master while an EoE cycle is executing.
Florian Pose <fp@igh-essen.com>
parents: 661
diff changeset
  1195
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1196
    master->eoe_cycle_times[master->eoe_cycle_time_pos]
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1197
        = (u32) (cycles_end - cycles_start) * 1000 / cpu_khz;
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1198
    master->eoe_cycle_time_pos++;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1199
    master->eoe_cycle_time_pos %= HZ;
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1200
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1201
 queue_timer:
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1202
    restart_jiffies = HZ / EC_EOE_FREQUENCY;
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1203
    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
  1204
    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
  1205
    add_timer(&master->eoe_timer);
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1206
}
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
  1207
#endif
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1208
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1209
/*****************************************************************************/
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1210
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1211
/**
495
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1212
   Prepares synchronous IO.
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1213
   Queues all domain datagrams and sends them. Then waits a certain time, so
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1214
   that ecrt_master_receive() can be called securely.
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1215
*/
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1216
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1217
void ec_master_prepare(ec_master_t *master /**< EtherCAT master */)
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1218
{
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1219
    ec_domain_t *domain;
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1220
    cycles_t cycles_start, cycles_end, cycles_timeout;
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1221
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1222
    // queue datagrams of all domains
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1223
    list_for_each_entry(domain, &master->domains, list)
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1224
        ecrt_domain_queue(domain);
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1225
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1226
    ecrt_master_send(master);
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1227
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1228
    cycles_start = get_cycles();
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1229
    cycles_timeout = (cycles_t) EC_IO_TIMEOUT /* us */ * (cpu_khz / 1000);
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1230
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1231
    // active waiting
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1232
    while (1) {
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1233
        udelay(100);
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1234
        cycles_end = get_cycles();
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1235
        if (cycles_end - cycles_start >= cycles_timeout) break;
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1236
    }
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1237
}
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1238
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
  1239
/*****************************************************************************/
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1240
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1241
/**
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1242
 * Translates an ASCII coded bus-address to a slave pointer.
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1243
 * These are the valid addressing schemes:
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1244
 * - \a "X" = the Xth slave on the bus (ring position),
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
  1245
 * - \a "#X" = the slave with alias X,
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1246
 * - \a "#X:Y" = the Yth slave after the slave with alias X.
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
  1247
 * X and Y are zero-based indices and may be provided in hexadecimal or octal
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1248
 * notation (with appropriate prefix).
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
  1249
 * \return pointer to the slave on success, else NULL
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1250
 */
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1251
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1252
ec_slave_t *ec_master_parse_slave_address(
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1253
        const ec_master_t *master, /**< EtherCAT 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
  1254
        const char *address /**< address string */
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1255
        )
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1256
{
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1257
    unsigned long first, second;
502
5f4a2fd3b180 Fixed warnings in master.c.
Florian Pose <fp@igh-essen.com>
parents: 500
diff changeset
  1258
    char *remainder, *remainder2;
5f4a2fd3b180 Fixed warnings in master.c.
Florian Pose <fp@igh-essen.com>
parents: 500
diff changeset
  1259
    const char *original;
643
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1260
    unsigned int alias_requested = 0, alias_not_found = 1;
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1261
    ec_slave_t *alias_slave = NULL, *slave;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1262
500
f9e6d119463f Corrected error messages in get_slave().
Florian Pose <fp@igh-essen.com>
parents: 496
diff changeset
  1263
    original = address;
f9e6d119463f Corrected error messages in get_slave().
Florian Pose <fp@igh-essen.com>
parents: 496
diff changeset
  1264
643
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1265
    if (!address[0])
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1266
        goto out_invalid;
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1267
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1268
    if (address[0] == '#') {
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1269
        alias_requested = 1;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1270
        address++;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1271
    }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1272
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1273
    first = simple_strtoul(address, &remainder, 0);
643
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1274
    if (remainder == address)
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1275
        goto out_invalid;
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1276
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1277
    if (alias_requested) {
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1278
        list_for_each_entry(alias_slave, &master->slaves, list) {
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1279
            if (alias_slave->sii_alias == first) {
643
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1280
                alias_not_found = 0;
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1281
                break;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1282
            }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1283
        }
643
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1284
        if (alias_not_found) {
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1285
            EC_ERR("Alias not found!\n");
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1286
            goto out_invalid;
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1287
        }
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1288
    }
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1289
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1290
    if (!remainder[0]) {
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1291
        if (alias_requested) { // alias addressing
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1292
            return alias_slave;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1293
        }
643
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1294
        else { // position addressing
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1295
            list_for_each_entry(slave, &master->slaves, list) {
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1296
                if (slave->ring_position == first) return slave;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1297
            }
643
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1298
            EC_ERR("Slave index out of range!\n");
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1299
            goto out_invalid;
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1300
        }
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1301
    }
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1302
    else if (alias_requested && remainder[0] == ':') { // field addressing
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1303
        struct list_head *list;
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1304
        remainder++;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1305
        second = simple_strtoul(remainder, &remainder2, 0);
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1306
643
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1307
        if (remainder2 == remainder || remainder2[0])
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1308
            goto out_invalid;
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1309
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1310
        list = &alias_slave->list;
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1311
        while (second--) {
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1312
            list = list->next;
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1313
            if (list == &master->slaves) { // last slave exceeded
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1314
                EC_ERR("Slave index out of range!\n");
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1315
                goto out_invalid;
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1316
            }
643
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1317
        }
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1318
        return list_entry(list, ec_slave_t, list);
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1319
    }
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1320
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1321
out_invalid:
78929d878b2c Removed X:Y addressing scheme, ec_slave_is_coupler(),
Florian Pose <fp@igh-essen.com>
parents: 640
diff changeset
  1322
    EC_ERR("Invalid slave address string \"%s\"!\n", original);
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1323
    return NULL;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1324
}
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1325
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
  1326
/******************************************************************************
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
 *  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
  1328
 *****************************************************************************/
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1329
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1330
/**
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1331
   Creates a 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
  1332
   \return pointer to new domain on success, else NULL
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
   \ingroup RealtimeInterface
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1334
*/
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
ec_domain_t *ecrt_master_create_domain(ec_master_t *master /**< 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
  1337
{
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1338
    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
  1339
    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
  1340
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1341
    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
  1342
        EC_ERR("Error allocating domain memory!\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
  1343
        return NULL;
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
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1346
    if (list_empty(&master->domains)) index = 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
  1347
    else {
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
        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
  1349
        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
  1350
    }
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1351
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1352
    if (ec_domain_init(domain, master, 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
  1353
        EC_ERR("Failed to init domain.\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
  1354
        return NULL;
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
    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
  1358
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1359
    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
  1360
}
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1361
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1362
/*****************************************************************************/
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1363
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1364
/**
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1365
   Configures all slaves and leads them to the OP 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
  1366
   Does the complete configuration and activation for all slaves. Sets sync
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1367
   managers and FMMUs, and does the appropriate transitions, until the slave
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1368
   is operational.
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1369
   \return 0 in case of success, else < 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
  1370
   \ingroup RealtimeInterface
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
*/
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
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1373
int ecrt_master_activate(ec_master_t *master /**< EtherCAT 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
  1374
{
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1375
    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
  1376
    ec_domain_t *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
  1377
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1378
    // allocate all 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
  1379
    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
  1380
    list_for_each_entry(domain, &master->domains, 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
  1381
        if (ec_domain_alloc(domain, 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
  1382
            EC_ERR("Failed to allocate domain %X!\n", (u32) 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
  1383
            return -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
  1384
        }
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1385
        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
  1386
    }
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1387
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1388
    // request slave configuration
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1389
    down(&master->config_sem);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1390
    master->allow_config = 1; // request the current configuration
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1391
    master->config_state = EC_REQUEST_IN_PROGRESS;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1392
    up(&master->config_sem);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1393
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1394
    // wait for configuration to complete
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1395
    if (wait_event_interruptible(master->config_queue,
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1396
                master->config_state != EC_REQUEST_IN_PROGRESS)) {
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1397
        EC_INFO("Waiting for configuration interrupted by signal.\n");
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1398
        return -1;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1399
    }
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1400
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1401
    if (master->config_state != EC_REQUEST_COMPLETE) {
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1402
        EC_ERR("Failed to configure slaves.\n");
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1403
        return -1;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1404
    }
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1405
    
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1406
    // 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
  1407
#ifdef EC_EOE
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1408
    ec_master_eoe_stop(master);
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
  1409
#endif
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1410
    ec_master_thread_stop(master);
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1411
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_master_prepare(master); // prepare asynchronous IO
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1413
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
    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
  1415
        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
  1416
656
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1417
    master->injection_seq_fsm = 0;
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1418
    master->injection_seq_rt = 0;
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1419
    master->request_cb = master->ext_request_cb;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1420
    master->release_cb = master->ext_release_cb;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1421
    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
  1422
    
370aa8c2d1b1 Slave configuration exclusively from master thread; removed
Florian Pose <fp@igh-essen.com>
parents: 651
diff changeset
  1423
    if (ec_master_thread_start(master, ec_master_operation_thread)) {
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
  1424
        EC_ERR("Failed to start master thread!\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
  1425
        return -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
  1426
    }
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
  1427
#ifdef EC_EOE
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1428
    ec_master_eoe_start(master);
715
f12ff7c08623 Added --enable-eoe conditional.
Florian Pose <fp@igh-essen.com>
parents: 714
diff changeset
  1429
#endif
640
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1430
    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
  1431
}
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
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
/*****************************************************************************/
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
   Asynchronous sending of 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
  1437
   \ingroup RealtimeInterface
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
*/
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
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
void ecrt_master_send(ec_master_t *master /**< EtherCAT 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
  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
    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
  1443
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
    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
  1445
        // 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
  1446
        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
  1447
        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
  1448
    }
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
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
    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
  1451
        // 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
  1452
        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
  1453
            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
  1454
            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
  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
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1457
        // 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
  1458
        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
  1459
        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
  1460
    }
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
    // 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
  1463
    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
  1464
}
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
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1466
/*****************************************************************************/
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
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1468
/**
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1469
   Asynchronous receiving of 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
  1470
   \ingroup RealtimeInterface
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1471
*/
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1472
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1473
void ecrt_master_receive(ec_master_t *master /**< EtherCAT 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
  1474
{
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
    ec_datagram_t *datagram, *next;
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1476
    cycles_t cycles_timeout;
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
  1477
    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
  1478
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1479
    // 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
  1480
    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
  1481
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1482
    cycles_timeout = (cycles_t) EC_IO_TIMEOUT /* us */ * (cpu_khz / 1000);
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1483
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1484
    // 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
  1485
    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
  1486
        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
  1487
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1488
        if (master->main_device.cycles_poll - datagram->cycles_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
  1489
            > cycles_timeout) {
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
  1490
            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
  1491
            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
  1492
            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
  1493
            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
  1494
            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
  1495
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
  1496
            if (unlikely(master->debug_level > 0)) {
691
77b79a29e0e7 Included datagram queuing in critical section in idle task; added some
Florian Pose <fp@igh-essen.com>
parents: 690
diff changeset
  1497
                EC_DBG("TIMED OUT datagram %08x, index %02X waited %u us.\n",
77b79a29e0e7 Included datagram queuing in critical section in idle task; added some
Florian Pose <fp@igh-essen.com>
parents: 690
diff changeset
  1498
                        (unsigned int) datagram, datagram->index,
684
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
  1499
                        (unsigned int) (master->main_device.cycles_poll
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
  1500
                            - datagram->cycles_sent) * 1000 / cpu_khz);
bf991809dcf0 Added debugging output for unmatched frames and those that timed out.
Florian Pose <fp@igh-essen.com>
parents: 664
diff changeset
  1501
            }
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
  1502
        }
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1503
    }
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
  1504
18c48cb7de06 Introduced frames_timed_out flag to notice bus failure when link down is
Florian Pose <fp@igh-essen.com>
parents: 663
diff changeset
  1505
    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
  1506
}
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1507
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1508
/*****************************************************************************/
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1509
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1510
/**
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1511
 * Obtains a slave pointer by its bus address.
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1512
 * A valid slave pointer is only returned, if vendor ID and product code are
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1513
 * matching.
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1514
 * \return pointer to the slave on success, else NULL
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1515
 * \ingroup RealtimeInterface
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1516
 */
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1517
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1518
ec_slave_t *ecrt_master_get_slave(
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1519
        const ec_master_t *master, /**< EtherCAT 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
  1520
        const char *address, /**< address string
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1521
                               \see ec_master_parse_slave_address() */
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1522
        uint32_t vendor_id, /**< vendor ID */
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1523
        uint32_t product_code /**< product code */
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1524
        )
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1525
{
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1526
    ec_slave_t *slave = ec_master_parse_slave_address(master, address);
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1527
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1528
    if (!slave)
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1529
        return NULL;
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1530
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1531
    return ec_slave_validate(slave, vendor_id, product_code) ? NULL : slave;
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1532
}
16e9ad7d8e12 Added parameters for vendor ID and product code to ecrt_get_slave(); PDO
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
  1533
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1534
/*****************************************************************************/
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1535
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1536
/**
697
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1537
 * Obtains a slave pointer by its ring position.
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1538
 * A valid slave pointer is only returned, if vendor ID and product code are
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1539
 * matching.
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1540
 * \return pointer to the slave on success, else NULL
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1541
 * \ingroup RealtimeInterface
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1542
 */
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1543
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1544
ec_slave_t *ecrt_master_get_slave_by_pos(
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1545
        const ec_master_t *master, /**< EtherCAT master */
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1546
        uint16_t ring_position, /**< ring position */
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1547
        uint32_t vendor_id, /**< vendor ID */
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1548
        uint32_t product_code /**< product code */
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1549
        )
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1550
{
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1551
    ec_slave_t *slave;
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1552
    unsigned int found = 0;
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1553
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1554
    list_for_each_entry(slave, &master->slaves, list) {
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1555
        if (slave->ring_position == ring_position) {
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1556
            found = 1;
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1557
            break;
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1558
        }
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1559
    }
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1560
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1561
    if (!found) {
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1562
        EC_ERR("Slave index out of range!\n");
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1563
        return NULL;
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1564
    }
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1565
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1566
    return ec_slave_validate(slave, vendor_id, product_code) ? NULL : slave;
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1567
}
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1568
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1569
/*****************************************************************************/
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1570
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1571
/**
204
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1572
   Sets the locking callbacks.
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
  1573
   The request_cb function must return zero, to allow another instance
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
  1574
   (the EoE process for example) to access the master. Non-zero means,
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
  1575
   that access is forbidden at this time.
204
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1576
   \ingroup RealtimeInterface
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1577
*/
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1578
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1579
void ecrt_master_callbacks(ec_master_t *master, /**< EtherCAT master */
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1580
                           int (*request_cb)(void *), /**< request lock CB */
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1581
                           void (*release_cb)(void *), /**< release lock CB */
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1582
                           void *cb_data /**< data parameter */
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1583
                           )
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1584
{
661
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1585
    master->ext_request_cb = request_cb;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1586
    master->ext_release_cb = release_cb;
bc1de1362efb Dynamic creation of EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 659
diff changeset
  1587
    master->ext_cb_data = cb_data;
204
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1588
}
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1589
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1590
/*****************************************************************************/
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1591
612
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  1592
/**
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  1593
 * Reads the current master status.
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  1594
 */
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  1595
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  1596
void ecrt_master_get_status(const ec_master_t *master, /**< EtherCAT master */
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  1597
        ec_master_status_t *status /**< target status object */
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  1598
        )
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  1599
{
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  1600
    status->bus_status =
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
  1601
        (master->pdo_slaves_offline || master->frames_timed_out)
18c48cb7de06 Introduced frames_timed_out flag to notice bus failure when link down is
Florian Pose <fp@igh-essen.com>
parents: 663
diff changeset
  1602
        ? EC_BUS_FAILURE : EC_BUS_OK;
612
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  1603
    status->bus_tainted = master->fsm.tainted; 
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  1604
    status->slaves_responding = master->fsm.slaves_responding;
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  1605
}
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  1606
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  1607
/*****************************************************************************/
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  1608
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1609
/** \cond */
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1610
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1611
EXPORT_SYMBOL(ecrt_master_create_domain);
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1612
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
  1613
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
  1614
EXPORT_SYMBOL(ecrt_master_receive);
206
60a10d85c20b Prepared EoE processing with workqueue.
Florian Pose <fp@igh-essen.com>
parents: 204
diff changeset
  1615
EXPORT_SYMBOL(ecrt_master_callbacks);
138
7e743a61a991 SDO-Schnittstelle verbessert.
Florian Pose <fp@igh-essen.com>
parents: 136
diff changeset
  1616
EXPORT_SYMBOL(ecrt_master_get_slave);
697
6f658c2082fd Added ecrt_master_get_slave_by_pos().
Florian Pose <fp@igh-essen.com>
parents: 692
diff changeset
  1617
EXPORT_SYMBOL(ecrt_master_get_slave_by_pos);
612
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 610
diff changeset
  1618
EXPORT_SYMBOL(ecrt_master_get_status);
42
a22a202d0f42 Domains, Warten beim Senden, 10kHz.
Florian Pose <fp@igh-essen.com>
parents: 39
diff changeset
  1619
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1620
/** \endcond */
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1621
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1622
/*****************************************************************************/