master/master.c
author Florian Pose <fp@igh-essen.com>
Wed, 18 Oct 2006 13:10:06 +0000
changeset 415 0918aa9bfd0b
parent 414 60cd2fcc71ee
child 418 7a43437bc48b
permissions -rw-r--r--
Do net reset debug level on master reset.
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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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#include "ethernet.h"
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/*****************************************************************************/
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void ec_master_clear(struct kobject *);
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void ec_master_sync_io(ec_master_t *);
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void ec_master_idle_run(void *);
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void ec_master_eoe_run(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(eeprom_write_enable);
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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_eeprom_write_enable,
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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 = ec_master_clear,
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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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                   unsigned int index, /**< master index */
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                   unsigned int eoeif_count, /**< number of EoE interfaces */
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                   dev_t dev_num /**< number for XML cdev's */
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                   )
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{
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    ec_eoe_t *eoe, *next_eoe;
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    unsigned int i;
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    EC_INFO("Initializing master %i.\n", index);
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    master->index = index;
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    master->device = NULL;
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    init_MUTEX(&master->device_sem);
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    atomic_set(&master->available, 1);
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    INIT_LIST_HEAD(&master->slaves);
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    INIT_LIST_HEAD(&master->datagram_queue);
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    INIT_LIST_HEAD(&master->domains);
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    INIT_LIST_HEAD(&master->eoe_handlers);
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    INIT_WORK(&master->idle_work, ec_master_idle_run, (void *) master);
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    init_timer(&master->eoe_timer);
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    master->eoe_timer.function = ec_master_eoe_run;
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    master->eoe_timer.data = (unsigned long) master;
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    master->internal_lock = SPIN_LOCK_UNLOCKED;
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    master->eoe_running = 0;
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    master->eoe_checked = 0;
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    for (i = 0; i < HZ; i++) {
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        master->idle_cycle_times[i] = 0;
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        master->eoe_cycle_times[i] = 0;
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    }
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parents: 334
diff changeset
   130
    master->idle_cycle_time_pos = 0;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   131
    master->eoe_cycle_time_pos = 0;
415
0918aa9bfd0b Do net reset debug level on master reset.
Florian Pose <fp@igh-essen.com>
parents: 414
diff changeset
   132
    master->debug_level = 0;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   133
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   134
    // create workqueue
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   135
    if (!(master->workqueue = create_singlethread_workqueue("EtherCAT"))) {
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
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parents: 246
diff changeset
   136
        EC_ERR("Failed to create master workqueue.\n");
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   137
        goto out_return;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   138
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
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parents: 246
diff changeset
   139
361
29af81543ce1 Introduced per-master character devices for XML descriptions.
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parents: 356
diff changeset
   140
    // init XML character device
29af81543ce1 Introduced per-master character devices for XML descriptions.
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diff changeset
   141
    if (ec_xmldev_init(&master->xmldev, master, dev_num)) {
29af81543ce1 Introduced per-master character devices for XML descriptions.
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parents: 356
diff changeset
   142
        EC_ERR("Failed to init XML character device.\n");
29af81543ce1 Introduced per-master character devices for XML descriptions.
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parents: 356
diff changeset
   143
        goto out_clear_wq;
29af81543ce1 Introduced per-master character devices for XML descriptions.
Florian Pose <fp@igh-essen.com>
parents: 356
diff changeset
   144
    }
29af81543ce1 Introduced per-master character devices for XML descriptions.
Florian Pose <fp@igh-essen.com>
parents: 356
diff changeset
   145
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
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parents: 246
diff changeset
   146
    // create EoE handlers
321
64e20e6e9d0b Renamed master parameter ec_eoe_devices to ec_eoeif_count.
Florian Pose <fp@igh-essen.com>
parents: 318
diff changeset
   147
    for (i = 0; i < eoeif_count; i++) {
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   148
        if (!(eoe = (ec_eoe_t *) kmalloc(sizeof(ec_eoe_t), GFP_KERNEL))) {
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
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parents: 246
diff changeset
   149
            EC_ERR("Failed to allocate EoE-Object.\n");
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   150
            goto out_clear_eoe;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   151
        }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
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parents: 246
diff changeset
   152
        if (ec_eoe_init(eoe)) {
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
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parents: 246
diff changeset
   153
            kfree(eoe);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
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parents: 246
diff changeset
   154
            goto out_clear_eoe;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
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parents: 246
diff changeset
   155
        }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
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parents: 246
diff changeset
   156
        list_add_tail(&eoe->list, &master->eoe_handlers);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
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parents: 246
diff changeset
   157
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   158
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   159
    // create state machine object
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   160
    if (ec_fsm_init(&master->fsm, master)) goto out_clear_eoe;
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
   161
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   162
    // 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
   163
    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
   164
    kobject_init(&master->kobj);
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   165
    master->kobj.ktype = &ktype_ec_master;
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   166
    if (kobject_set_name(&master->kobj, "ethercat%i", index)) {
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   167
        EC_ERR("Failed to set kobj name.\n");
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents: 236
diff changeset
   168
        kobject_put(&master->kobj);
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents: 236
diff changeset
   169
        return -1;
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
   170
    }
144
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
   171
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   172
    ec_master_reset(master);
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   173
    return 0;
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
   174
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   175
 out_clear_eoe:
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   176
    list_for_each_entry_safe(eoe, next_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
   177
        list_del(&eoe->list);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   178
        ec_eoe_clear(eoe);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   179
        kfree(eoe);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   180
    }
361
29af81543ce1 Introduced per-master character devices for XML descriptions.
Florian Pose <fp@igh-essen.com>
parents: 356
diff changeset
   181
    ec_xmldev_clear(&master->xmldev);
29af81543ce1 Introduced per-master character devices for XML descriptions.
Florian Pose <fp@igh-essen.com>
parents: 356
diff changeset
   182
 out_clear_wq:
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents: 236
diff changeset
   183
    destroy_workqueue(master->workqueue);
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
   184
 out_return:
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
   185
    return -1;
0
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   186
}
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   187
39
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents: 35
diff changeset
   188
/*****************************************************************************/
0
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   189
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   190
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   191
   Master destructor.
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   192
   Removes all pending datagrams, clears the slave list, clears all domains
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   193
   and frees the device.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   194
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   196
void ec_master_clear(struct kobject *kobj /**< kobject of the master */)
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   197
{
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   198
    ec_master_t *master = container_of(kobj, ec_master_t, kobj);
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   199
    ec_eoe_t *eoe, *next_eoe;
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   200
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   201
    EC_INFO("Clearing master %i...\n", master->index);
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   202
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   203
    ec_master_reset(master);
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents: 236
diff changeset
   204
    ec_fsm_clear(&master->fsm);
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents: 236
diff changeset
   205
    destroy_workqueue(master->workqueue);
361
29af81543ce1 Introduced per-master character devices for XML descriptions.
Florian Pose <fp@igh-essen.com>
parents: 356
diff changeset
   206
    ec_xmldev_clear(&master->xmldev);
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   207
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   208
    // clear EoE objects
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   209
    list_for_each_entry_safe(eoe, next_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
   210
        list_del(&eoe->list);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   211
        ec_eoe_clear(eoe);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   212
        kfree(eoe);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   213
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   214
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   215
    if (master->device) {
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   216
        ec_device_clear(master->device);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   217
        kfree(master->device);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   218
    }
144
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
   219
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   220
    EC_INFO("Master %i cleared.\n", master->index);
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   221
}
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   222
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   223
/*****************************************************************************/
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   224
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   225
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   226
   Resets the master.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   227
   Note: This function has to be called, everytime ec_master_release() is
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   228
   called, to free the slave list, domains etc.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   229
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   230
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   231
void ec_master_reset(ec_master_t *master /**< EtherCAT master */)
56
36d1fa37f5e1 Bugfix im Master, ec_master_reset() und laufendes Beispiel in rt.
Florian Pose <fp@igh-essen.com>
parents: 55
diff changeset
   232
{
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   233
    ec_datagram_t *datagram, *next_c;
144
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
   234
    ec_domain_t *domain, *next_d;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   235
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   236
    ec_master_eoe_stop(master);
306
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   237
    ec_master_idle_stop(master);
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents: 236
diff changeset
   238
    ec_master_clear_slaves(master);
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   239
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   240
    // empty datagram queue
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   241
    list_for_each_entry_safe(datagram, next_c,
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   242
                             &master->datagram_queue, queue) {
345
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
   243
        datagram->state = EC_DATAGRAM_ERROR;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   244
        list_del_init(&datagram->queue);
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   245
    }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   246
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   247
    // clear domains
144
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
   248
    list_for_each_entry_safe(domain, next_d, &master->domains, list) {
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   249
        list_del(&domain->list);
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   250
        kobject_del(&domain->kobj);
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   251
        kobject_put(&domain->kobj);
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   252
    }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   253
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   254
    master->datagram_index = 0;
130
69c2645300ee Watch-Kommando
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98
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    master->stats.timeouts = 0;
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    master->stats.corrupted = 0;
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    master->stats.skipped = 0;
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    master->stats.unmatched = 0;
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    master->stats.output_jiffies = 0;
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ca805255a935 Prepared Free-Run mode
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305
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    master->mode = EC_MASTER_MODE_ORPHANED;
204
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    master->request_cb = NULL;
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    master->release_cb = NULL;
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    master->cb_data = NULL;
238
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268
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    master->eeprom_write_enable = 0;
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238
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    ec_fsm_reset(&master->fsm);
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}
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/*****************************************************************************/
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/**
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   Clears all slaves.
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*/
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void ec_master_clear_slaves(ec_master_t *master)
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{
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    ec_slave_t *slave, *next_slave;
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    list_for_each_entry_safe(slave, next_slave, &master->slaves, list) {
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        list_del(&slave->list);
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        kobject_del(&slave->kobj);
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        kobject_put(&slave->kobj);
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    }
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    master->slave_count = 0;
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}
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/*****************************************************************************/
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/**
293
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   Places a datagram in the datagram queue.
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*/
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void ec_master_queue_datagram(ec_master_t *master, /**< EtherCAT master */
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                              ec_datagram_t *datagram /**< datagram */
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                              )
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{
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    ec_datagram_t *queued_datagram;
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    // check, if the datagram is already queued
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    list_for_each_entry(queued_datagram, &master->datagram_queue, queue) {
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        if (queued_datagram == datagram) {
332
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            master->stats.skipped++;
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            ec_master_output_stats(master);
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            datagram->state = EC_DATAGRAM_QUEUED;
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            return;
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        }
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    }
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293
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    list_add_tail(&datagram->queue, &master->datagram_queue);
325
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    datagram->state = EC_DATAGRAM_QUEUED;
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   315
    datagram->cycles_queued = get_cycles();
293
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}
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/*****************************************************************************/
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/**
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   Sends the datagrams in the queue.
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   \return 0 in case of success, else < 0
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*/
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   324
293
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void ec_master_send_datagrams(ec_master_t *master /**< EtherCAT master */)
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{
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    ec_datagram_t *datagram, *next;
293
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    size_t datagram_size;
98
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    uint8_t *frame_data, *cur_data;
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   330
    void *follows_word;
398
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    cycles_t cycles_start, cycles_sent, cycles_end;
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   332
    unsigned long jiffies_sent;
293
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    unsigned int frame_count, more_datagrams_waiting;
398
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   334
    struct list_head sent_datagrams;
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   335
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   336
    cycles_start = get_cycles();
176
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   337
    frame_count = 0;
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
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   338
    INIT_LIST_HEAD(&sent_datagrams);
208
b7797f8a813d command timeout, EoE processing with kernel timer.
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diff changeset
   339
303
03fd45bc13ef SysFS entry for debug level.
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   340
    if (unlikely(master->debug_level > 1))
293
14aeb79aa992 Renamed command structure to datagram.
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   341
        EC_DBG("ec_master_send_datagrams\n");
98
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   342
176
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   343
    do {
195
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   344
        // fetch pointer to transmit socket buffer
176
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   345
        frame_data = ec_device_tx_data(master->device);
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diff changeset
   346
        cur_data = frame_data + EC_FRAME_HEADER_SIZE;
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   347
        follows_word = NULL;
293
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   348
        more_datagrams_waiting = 0;
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   349
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   350
        // fill current frame with datagrams
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   351
        list_for_each_entry(datagram, &master->datagram_queue, queue) {
325
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   352
            if (datagram->state != EC_DATAGRAM_QUEUED) continue;
293
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diff changeset
   353
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   354
            // does the current datagram fit in the frame?
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   355
            datagram_size = EC_DATAGRAM_HEADER_SIZE + datagram->data_size
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diff changeset
   356
                + EC_DATAGRAM_FOOTER_SIZE;
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diff changeset
   357
            if (cur_data - frame_data + datagram_size > ETH_DATA_LEN) {
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diff changeset
   358
                more_datagrams_waiting = 1;
176
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   359
                break;
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diff changeset
   360
            }
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   361
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   362
            list_add_tail(&datagram->sent, &sent_datagrams);
293
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diff changeset
   363
            datagram->index = master->datagram_index++;
176
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diff changeset
   364
303
03fd45bc13ef SysFS entry for debug level.
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diff changeset
   365
            if (unlikely(master->debug_level > 1))
293
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diff changeset
   366
                EC_DBG("adding datagram 0x%02X\n", datagram->index);
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diff changeset
   367
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   368
            // set "datagram following" flag in previous frame
176
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diff changeset
   369
            if (follows_word)
1ac0fc378b95 Sending of multiple frames
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diff changeset
   370
                EC_WRITE_U16(follows_word, EC_READ_U16(follows_word) | 0x8000);
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diff changeset
   371
293
14aeb79aa992 Renamed command structure to datagram.
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diff changeset
   372
            // EtherCAT datagram header
14aeb79aa992 Renamed command structure to datagram.
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diff changeset
   373
            EC_WRITE_U8 (cur_data,     datagram->type);
14aeb79aa992 Renamed command structure to datagram.
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diff changeset
   374
            EC_WRITE_U8 (cur_data + 1, datagram->index);
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diff changeset
   375
            EC_WRITE_U32(cur_data + 2, datagram->address.logical);
14aeb79aa992 Renamed command structure to datagram.
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diff changeset
   376
            EC_WRITE_U16(cur_data + 6, datagram->data_size & 0x7FF);
176
1ac0fc378b95 Sending of multiple frames
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diff changeset
   377
            EC_WRITE_U16(cur_data + 8, 0x0000);
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diff changeset
   378
            follows_word = cur_data + 6;
293
14aeb79aa992 Renamed command structure to datagram.
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diff changeset
   379
            cur_data += EC_DATAGRAM_HEADER_SIZE;
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diff changeset
   380
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diff changeset
   381
            // EtherCAT datagram data
14aeb79aa992 Renamed command structure to datagram.
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diff changeset
   382
            memcpy(cur_data, datagram->data, datagram->data_size);
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diff changeset
   383
            cur_data += datagram->data_size;
14aeb79aa992 Renamed command structure to datagram.
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diff changeset
   384
14aeb79aa992 Renamed command structure to datagram.
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diff changeset
   385
            // EtherCAT datagram footer
195
674071846ee3 Translated all comments and documentation to english language.
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diff changeset
   386
            EC_WRITE_U16(cur_data, 0x0000); // reset working counter
293
14aeb79aa992 Renamed command structure to datagram.
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parents: 291
diff changeset
   387
            cur_data += EC_DATAGRAM_FOOTER_SIZE;
176
1ac0fc378b95 Sending of multiple frames
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diff changeset
   388
        }
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diff changeset
   389
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
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diff changeset
   390
        if (list_empty(&sent_datagrams)) {
303
03fd45bc13ef SysFS entry for debug level.
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parents: 298
diff changeset
   391
            if (unlikely(master->debug_level > 1))
176
1ac0fc378b95 Sending of multiple frames
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diff changeset
   392
                EC_DBG("nothing to send.\n");
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   393
            break;
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   394
        }
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   395
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   396
        // EtherCAT frame header
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   397
        EC_WRITE_U16(frame_data, ((cur_data - frame_data
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   398
                                   - EC_FRAME_HEADER_SIZE) & 0x7FF) | 0x1000);
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   399
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   400
        // pad frame
211
c684b6b7adaf Using kernel Ethernet constants.
Florian Pose <fp@igh-essen.com>
parents: 208
diff changeset
   401
        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
   402
            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
   403
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   404
        if (unlikely(master->debug_level > 1))
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   405
            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
   406
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   407
        // send frame
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   408
        ec_device_send(master->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
   409
        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
   410
        jiffies_sent = jiffies;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   411
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   412
        // 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
   413
        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
   414
            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
   415
            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
   416
            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
   417
            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
   418
        }
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   419
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   420
        frame_count++;
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   421
    }
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   422
    while (more_datagrams_waiting);
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   423
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   424
    if (unlikely(master->debug_level > 1)) {
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   425
        cycles_end = get_cycles();
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   426
        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
   427
               frame_count,
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   428
               (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
   429
    }
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   430
}
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   431
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   432
/*****************************************************************************/
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   433
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   434
/**
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   435
   Processes a received frame.
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   436
   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
   437
   \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
   438
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   439
331
17f58fe99511 Renamed ec_master_receive() to ec_master_receive_datagrams().
Florian Pose <fp@igh-essen.com>
parents: 330
diff changeset
   440
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
   441
                                 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
   442
                                 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
   443
                                 )
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   444
{
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   445
    size_t frame_size, data_size;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   446
    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
   447
    unsigned int cmd_follows, matched;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   448
    const uint8_t *cur_data;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   449
    ec_datagram_t *datagram;
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   450
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   451
    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
   452
        master->stats.corrupted++;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   453
        ec_master_output_stats(master);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   454
        return;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   455
    }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   456
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   457
    cur_data = frame_data;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   458
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   459
    // 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
   460
    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
   461
    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
   462
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   463
    if (unlikely(frame_size > size)) {
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   464
        master->stats.corrupted++;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   465
        ec_master_output_stats(master);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   466
        return;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   467
    }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   468
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   469
    cmd_follows = 1;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   470
    while (cmd_follows) {
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   471
        // process datagram header
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   472
        datagram_type  = EC_READ_U8 (cur_data);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   473
        datagram_index = EC_READ_U8 (cur_data + 1);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   474
        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
   475
        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
   476
        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
   477
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   478
        if (unlikely(cur_data - frame_data
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   479
                     + 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
   480
            master->stats.corrupted++;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   481
            ec_master_output_stats(master);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   482
            return;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   483
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   484
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   485
        // 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
   486
        matched = 0;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   487
        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
   488
            if (datagram->state == EC_DATAGRAM_SENT
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   489
                && datagram->type == datagram_type
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   490
                && datagram->index == datagram_index
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   491
                && 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
   492
                matched = 1;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   493
                break;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   494
            }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   495
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   496
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   497
        // 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
   498
        if (!matched) {
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   499
            master->stats.unmatched++;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   500
            ec_master_output_stats(master);
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   501
            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
   502
            continue;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   503
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   504
345
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
   505
        // copy received data into the datagram memory
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   506
        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
   507
        cur_data += data_size;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   508
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   509
        // set the datagram's working counter
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   510
        datagram->working_counter = EC_READ_U16(cur_data);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   511
        cur_data += EC_DATAGRAM_FOOTER_SIZE;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   512
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   513
        // 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
   514
        datagram->state = EC_DATAGRAM_RECEIVED;
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   515
        datagram->cycles_received = master->device->cycles_isr;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   516
        datagram->jiffies_received = master->device->jiffies_isr;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   517
        list_del_init(&datagram->queue);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   518
    }
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   519
}
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   520
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   521
/*****************************************************************************/
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   522
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   523
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   524
   Scans the EtherCAT bus for slaves.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   525
   Creates a list of slave structures for further processing.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   526
   \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
   527
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   528
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   529
int ec_master_bus_scan(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
   530
{
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   531
    ec_fsm_t *fsm = &master->fsm;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   532
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   533
    ec_fsm_startup(fsm); // init startup state machine
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   534
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   535
    do {
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   536
        ec_fsm_execute(fsm);
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   537
        ec_master_sync_io(master);
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   538
    }
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   539
    while (ec_fsm_startup_running(fsm));
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   540
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   541
    if (!ec_fsm_startup_success(fsm)) {
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   542
        ec_master_clear_slaves(master);
90
044e97bce4bd Rahmen jetzt zustandslos.
Florian Pose <fp@igh-essen.com>
parents: 89
diff changeset
   543
        return -1;
044e97bce4bd Rahmen jetzt zustandslos.
Florian Pose <fp@igh-essen.com>
parents: 89
diff changeset
   544
    }
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   545
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   546
    return 0;
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   547
}
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   548
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   549
/*****************************************************************************/
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   550
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   551
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   552
   Output statistics in cyclic mode.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   553
   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
   554
   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
   555
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   556
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   557
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
   558
{
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   559
    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
   560
        master->stats.output_jiffies = jiffies;
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   561
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   562
        if (master->stats.timeouts) {
396
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   563
            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
   564
                    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
   565
            master->stats.timeouts = 0;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   566
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   567
        if (master->stats.corrupted) {
396
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   568
            EC_WARN("%i frame%s CORRUPTED!\n", master->stats.corrupted,
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   569
                    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
   570
            master->stats.corrupted = 0;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   571
        }
332
e16093374dfd New statistic outputs to avoid blasting the logs.
Florian Pose <fp@igh-essen.com>
parents: 331
diff changeset
   572
        if (master->stats.skipped) {
396
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   573
            EC_WARN("%i datagram%s SKIPPED!\n", master->stats.skipped,
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   574
                    master->stats.skipped == 1 ? "" : "s");
332
e16093374dfd New statistic outputs to avoid blasting the logs.
Florian Pose <fp@igh-essen.com>
parents: 331
diff changeset
   575
            master->stats.skipped = 0;
e16093374dfd New statistic outputs to avoid blasting the logs.
Florian Pose <fp@igh-essen.com>
parents: 331
diff changeset
   576
        }
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   577
        if (master->stats.unmatched) {
396
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   578
            EC_WARN("%i datagram%s UNMATCHED!\n", master->stats.unmatched,
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   579
                    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
   580
            master->stats.unmatched = 0;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   581
        }
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   582
    }
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   583
}
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   584
68
a452700db994 Neue ASCII-Adressierung und Code-Dokumantation.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
   585
/*****************************************************************************/
a452700db994 Neue ASCII-Adressierung und Code-Dokumantation.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
   586
a452700db994 Neue ASCII-Adressierung und Code-Dokumantation.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
   587
/**
306
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   588
   Starts the Idle mode.
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   589
*/
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   590
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   591
void ec_master_idle_start(ec_master_t *master /**< EtherCAT master */)
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   592
{
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   593
    if (master->mode == EC_MASTER_MODE_IDLE) return;
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   594
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   595
    if (master->mode == EC_MASTER_MODE_OPERATION) {
306
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   596
        EC_ERR("ec_master_idle_start: Master already running!\n");
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   597
        return;
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   598
    }
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   599
306
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   600
    EC_INFO("Starting Idle mode.\n");
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   601
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   602
    master->mode = EC_MASTER_MODE_IDLE;
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents: 236
diff changeset
   603
    ec_fsm_reset(&master->fsm);
306
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   604
    queue_delayed_work(master->workqueue, &master->idle_work, 1);
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   605
}
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   606
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   607
/*****************************************************************************/
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   608
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   609
/**
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   610
   Stops the Idle mode.
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   611
*/
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   612
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   613
void ec_master_idle_stop(ec_master_t *master /**< EtherCAT master */)
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   614
{
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   615
    if (master->mode != EC_MASTER_MODE_IDLE) return;
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   616
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   617
    ec_master_eoe_stop(master);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   618
306
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   619
    EC_INFO("Stopping Idle mode.\n");
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   620
    master->mode = EC_MASTER_MODE_ORPHANED; // this is important for the
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   621
                                            // IDLE work function to not
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   622
                                            // queue itself again
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   623
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   624
    if (!cancel_delayed_work(&master->idle_work)) {
236
34d7ce41e9db Started freerun state machine development.
Florian Pose <fp@igh-essen.com>
parents: 235
diff changeset
   625
        flush_workqueue(master->workqueue);
34d7ce41e9db Started freerun state machine development.
Florian Pose <fp@igh-essen.com>
parents: 235
diff changeset
   626
    }
34d7ce41e9db Started freerun state machine development.
Florian Pose <fp@igh-essen.com>
parents: 235
diff changeset
   627
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents: 236
diff changeset
   628
    ec_master_clear_slaves(master);
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   629
}
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   630
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   631
/*****************************************************************************/
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   632
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   633
/**
306
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   634
   Idle mode function.
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   635
*/
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   636
318
5f35e74124d1 Renamed ec_master_idle() to ec_master_idle_run().
Florian Pose <fp@igh-essen.com>
parents: 313
diff changeset
   637
void ec_master_idle_run(void *data /**< master pointer */)
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   638
{
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   639
    ec_master_t *master = (ec_master_t *) data;
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   640
    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
   641
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   642
    // aquire master lock
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   643
    spin_lock_bh(&master->internal_lock);
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   644
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   645
    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
   646
    ecrt_master_receive(master);
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   647
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   648
    // execute master state machine
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents: 236
diff changeset
   649
    ec_fsm_execute(&master->fsm);
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   650
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   651
    ecrt_master_send(master);
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   652
    cycles_end = get_cycles();
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   653
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   654
    // release master lock
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   655
    spin_unlock_bh(&master->internal_lock);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   656
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   657
    master->idle_cycle_times[master->idle_cycle_time_pos]
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   658
        = (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
   659
    master->idle_cycle_time_pos++;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   660
    master->idle_cycle_time_pos %= HZ;
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   661
306
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   662
    if (master->mode == EC_MASTER_MODE_IDLE)
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   663
        queue_delayed_work(master->workqueue, &master->idle_work, 1);
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   664
}
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   665
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   666
/*****************************************************************************/
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   667
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   668
/**
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   669
   Initializes a sync manager configuration page with EEPROM data.
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   670
   The referenced memory (\a data) must be at least EC_SYNC_SIZE bytes.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   671
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   672
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   673
void ec_sync_config(const ec_sii_sync_t *sync, /**< sync manager */
275
ba51285d4ef6 Variable-sized data fields, BK1120.
Florian Pose <fp@igh-essen.com>
parents: 274
diff changeset
   674
                    const ec_slave_t *slave, /**< EtherCAT slave */
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   675
                    uint8_t *data /**> configuration memory */
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   676
                    )
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   677
{
275
ba51285d4ef6 Variable-sized data fields, BK1120.
Florian Pose <fp@igh-essen.com>
parents: 274
diff changeset
   678
    size_t sync_size;
ba51285d4ef6 Variable-sized data fields, BK1120.
Florian Pose <fp@igh-essen.com>
parents: 274
diff changeset
   679
ba51285d4ef6 Variable-sized data fields, BK1120.
Florian Pose <fp@igh-essen.com>
parents: 274
diff changeset
   680
    sync_size = ec_slave_calc_sync_size(slave, sync);
ba51285d4ef6 Variable-sized data fields, BK1120.
Florian Pose <fp@igh-essen.com>
parents: 274
diff changeset
   681
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   682
    if (slave->master->debug_level) {
414
60cd2fcc71ee Added enable bit to sync manager debugging.
Florian Pose <fp@igh-essen.com>
parents: 413
diff changeset
   683
        EC_DBG("Slave %3i, SM %i: Addr 0x%04X, Size %3i, Ctrl 0x%02X, En %i\n",
413
a7144fdf14f5 Improved SM and FMMU debugging output.
Florian Pose <fp@igh-essen.com>
parents: 412
diff changeset
   684
               slave->ring_position, sync->index, sync->physical_start_address,
414
60cd2fcc71ee Added enable bit to sync manager debugging.
Florian Pose <fp@igh-essen.com>
parents: 413
diff changeset
   685
               sync_size, sync->control_register, sync->enable);
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   686
    }
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   687
136
a03a684cac89 Dynamische Mailbox-Kommunikation, auch mit unbekannten Slaves.
Florian Pose <fp@igh-essen.com>
parents: 135
diff changeset
   688
    EC_WRITE_U16(data,     sync->physical_start_address);
298
d491d1f84ebc Prefer EEPROM sync manager information for config.
Florian Pose <fp@igh-essen.com>
parents: 295
diff changeset
   689
    EC_WRITE_U16(data + 2, sync_size);
136
a03a684cac89 Dynamische Mailbox-Kommunikation, auch mit unbekannten Slaves.
Florian Pose <fp@igh-essen.com>
parents: 135
diff changeset
   690
    EC_WRITE_U8 (data + 4, sync->control_register);
a03a684cac89 Dynamische Mailbox-Kommunikation, auch mit unbekannten Slaves.
Florian Pose <fp@igh-essen.com>
parents: 135
diff changeset
   691
    EC_WRITE_U8 (data + 5, 0x00); // status byte (read only)
a03a684cac89 Dynamische Mailbox-Kommunikation, auch mit unbekannten Slaves.
Florian Pose <fp@igh-essen.com>
parents: 135
diff changeset
   692
    EC_WRITE_U16(data + 6, sync->enable ? 0x0001 : 0x0000); // enable
a03a684cac89 Dynamische Mailbox-Kommunikation, auch mit unbekannten Slaves.
Florian Pose <fp@igh-essen.com>
parents: 135
diff changeset
   693
}
a03a684cac89 Dynamische Mailbox-Kommunikation, auch mit unbekannten Slaves.
Florian Pose <fp@igh-essen.com>
parents: 135
diff changeset
   694
a03a684cac89 Dynamische Mailbox-Kommunikation, auch mit unbekannten Slaves.
Florian Pose <fp@igh-essen.com>
parents: 135
diff changeset
   695
/*****************************************************************************/
a03a684cac89 Dynamische Mailbox-Kommunikation, auch mit unbekannten Slaves.
Florian Pose <fp@igh-essen.com>
parents: 135
diff changeset
   696
a03a684cac89 Dynamische Mailbox-Kommunikation, auch mit unbekannten Slaves.
Florian Pose <fp@igh-essen.com>
parents: 135
diff changeset
   697
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   698
   Initializes an FMMU configuration page.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   699
   The referenced memory (\a data) must be at least EC_FMMU_SIZE bytes.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   700
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   701
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   702
void ec_fmmu_config(const ec_fmmu_t *fmmu, /**< FMMU */
275
ba51285d4ef6 Variable-sized data fields, BK1120.
Florian Pose <fp@igh-essen.com>
parents: 274
diff changeset
   703
                    const ec_slave_t *slave, /**< EtherCAT slave */
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   704
                    uint8_t *data /**> configuration memory */
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   705
                    )
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   706
{
275
ba51285d4ef6 Variable-sized data fields, BK1120.
Florian Pose <fp@igh-essen.com>
parents: 274
diff changeset
   707
    size_t sync_size;
ba51285d4ef6 Variable-sized data fields, BK1120.
Florian Pose <fp@igh-essen.com>
parents: 274
diff changeset
   708
ba51285d4ef6 Variable-sized data fields, BK1120.
Florian Pose <fp@igh-essen.com>
parents: 274
diff changeset
   709
    sync_size = ec_slave_calc_sync_size(slave, fmmu->sync);
ba51285d4ef6 Variable-sized data fields, BK1120.
Florian Pose <fp@igh-essen.com>
parents: 274
diff changeset
   710
412
2e50ddc3e777 Added FMMU debugging.
Florian Pose <fp@igh-essen.com>
parents: 408
diff changeset
   711
    if (slave->master->debug_level) {
413
a7144fdf14f5 Improved SM and FMMU debugging output.
Florian Pose <fp@igh-essen.com>
parents: 412
diff changeset
   712
        EC_DBG("Slave %3i, FMMU %2i:"
a7144fdf14f5 Improved SM and FMMU debugging output.
Florian Pose <fp@igh-essen.com>
parents: 412
diff changeset
   713
               " LogAddr 0x%08X, Size %3i, PhysAddr 0x%04X, Dir %s\n",
a7144fdf14f5 Improved SM and FMMU debugging output.
Florian Pose <fp@igh-essen.com>
parents: 412
diff changeset
   714
               slave->ring_position, fmmu->index, fmmu->logical_start_address,
a7144fdf14f5 Improved SM and FMMU debugging output.
Florian Pose <fp@igh-essen.com>
parents: 412
diff changeset
   715
               sync_size, fmmu->sync->physical_start_address,
a7144fdf14f5 Improved SM and FMMU debugging output.
Florian Pose <fp@igh-essen.com>
parents: 412
diff changeset
   716
               ((fmmu->sync->control_register & 0x04) ? "out" : "in"));
412
2e50ddc3e777 Added FMMU debugging.
Florian Pose <fp@igh-essen.com>
parents: 408
diff changeset
   717
    }
2e50ddc3e777 Added FMMU debugging.
Florian Pose <fp@igh-essen.com>
parents: 408
diff changeset
   718
77
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 74
diff changeset
   719
    EC_WRITE_U32(data,      fmmu->logical_start_address);
275
ba51285d4ef6 Variable-sized data fields, BK1120.
Florian Pose <fp@igh-essen.com>
parents: 274
diff changeset
   720
    EC_WRITE_U16(data + 4,  sync_size); // size of fmmu
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   721
    EC_WRITE_U8 (data + 6,  0x00); // logical start bit
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   722
    EC_WRITE_U8 (data + 7,  0x07); // logical end bit
77
677967864795 EC_READ/WRITE-Makros verwenden Makros aud asm/byteorder.h und werden konsequent verwendet.
Florian Pose <fp@igh-essen.com>
parents: 74
diff changeset
   723
    EC_WRITE_U16(data + 8,  fmmu->sync->physical_start_address);
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   724
    EC_WRITE_U8 (data + 10, 0x00); // physical start bit
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   725
    EC_WRITE_U8 (data + 11, ((fmmu->sync->control_register & 0x04)
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   726
                             ? 0x02 : 0x01));
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   727
    EC_WRITE_U16(data + 12, 0x0001); // enable
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   728
    EC_WRITE_U16(data + 14, 0x0000); // reserved
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   729
}
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   730
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   731
/*****************************************************************************/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   732
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   733
/**
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   734
   Formats master information for SysFS read access.
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   735
   \return number of bytes written
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   736
*/
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   737
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   738
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
   739
                       char *buffer /**< memory to store data */
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   740
                       )
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   741
{
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   742
    off_t off = 0;
336
360e5287c888 EoE rate statistics.
Florian Pose <fp@igh-essen.com>
parents: 335
diff changeset
   743
    ec_eoe_t *eoe;
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   744
    uint32_t cur, sum, min, max, pos, i;
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   745
382
72500991bcc3 Altered master version string.
Florian Pose <fp@igh-essen.com>
parents: 381
diff changeset
   746
    off += sprintf(buffer + off, "\nVersion: " EC_MASTER_VERSION);
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   747
    off += sprintf(buffer + off, "\nMode: ");
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   748
    switch (master->mode) {
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   749
        case EC_MASTER_MODE_ORPHANED:
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   750
            off += sprintf(buffer + off, "ORPHANED");
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   751
            break;
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   752
        case EC_MASTER_MODE_IDLE:
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   753
            off += sprintf(buffer + off, "IDLE");
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   754
            break;
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   755
        case EC_MASTER_MODE_OPERATION:
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   756
            off += sprintf(buffer + off, "OPERATION");
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   757
            break;
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   758
    }
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   759
339
a3a4ee854bd8 Minor changes.
Florian Pose <fp@igh-essen.com>
parents: 337
diff changeset
   760
    off += sprintf(buffer + off, "\nSlaves: %i\n",
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   761
                   master->slave_count);
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   762
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   763
    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
   764
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   765
    sum = 0;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   766
    min = 0xFFFFFFFF;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   767
    max = 0;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   768
    pos = master->idle_cycle_time_pos;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   769
    for (i = 0; i < HZ; i++) {
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   770
        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
   771
        sum += cur;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   772
        if (cur < min) min = cur;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   773
        if (cur > max) max = cur;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   774
    }
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   775
    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
   776
                   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
   777
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   778
    sum = 0;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   779
    min = 0xFFFFFFFF;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   780
    max = 0;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   781
    pos = master->eoe_cycle_time_pos;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   782
    for (i = 0; i < HZ; i++) {
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   783
        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
   784
        sum += cur;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   785
        if (cur < min) min = cur;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   786
        if (cur > max) max = cur;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   787
    }
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   788
    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
   789
                   min, sum / HZ, (sum * 100 / HZ) % 100, max);
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   790
336
360e5287c888 EoE rate statistics.
Florian Pose <fp@igh-essen.com>
parents: 335
diff changeset
   791
    if (!list_empty(&master->eoe_handlers))
339
a3a4ee854bd8 Minor changes.
Florian Pose <fp@igh-essen.com>
parents: 337
diff changeset
   792
        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
   793
    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
   794
        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
   795
                       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
   796
                       ((eoe->rx_rate + eoe->tx_rate) / 8 + 512) / 1024);
336
360e5287c888 EoE rate statistics.
Florian Pose <fp@igh-essen.com>
parents: 335
diff changeset
   797
    }
360e5287c888 EoE rate statistics.
Florian Pose <fp@igh-essen.com>
parents: 335
diff changeset
   798
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   799
    off += sprintf(buffer + off, "\n");
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   800
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   801
    return off;
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   802
}
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   803
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   804
/*****************************************************************************/
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   805
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   806
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   807
   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
   808
   \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
   809
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   810
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   811
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
   812
                                 struct attribute *attr, /**< attribute */
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   813
                                 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
   814
                                 )
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   815
{
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   816
    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
   817
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   818
    if (attr == &attr_info) {
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   819
        return ec_master_info(master, buffer);
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   820
    }
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   821
    else if (attr == &attr_debug_level) {
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   822
        return sprintf(buffer, "%i\n", master->debug_level);
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   823
    }
313
ba324d82dfd3 Reading of eeprom_write_enable.
Florian Pose <fp@igh-essen.com>
parents: 306
diff changeset
   824
    else if (attr == &attr_eeprom_write_enable) {
ba324d82dfd3 Reading of eeprom_write_enable.
Florian Pose <fp@igh-essen.com>
parents: 306
diff changeset
   825
        return sprintf(buffer, "%i\n", master->eeprom_write_enable);
ba324d82dfd3 Reading of eeprom_write_enable.
Florian Pose <fp@igh-essen.com>
parents: 306
diff changeset
   826
    }
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   827
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   828
    return 0;
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   829
}
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   830
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   831
/*****************************************************************************/
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   832
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   833
/**
268
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   834
   Formats attribute data for SysFS write access.
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   835
   \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
   836
*/
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   837
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   838
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
   839
                                  struct attribute *attr, /**< attribute */
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   840
                                  const char *buffer, /**< memory with data */
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   841
                                  size_t size /**< size of data to store */
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   842
                                  )
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   843
{
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   844
    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
   845
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   846
    if (attr == &attr_eeprom_write_enable) {
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   847
        if (!strcmp(buffer, "1\n")) {
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   848
            master->eeprom_write_enable = 1;
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   849
            EC_INFO("Slave EEPROM writing enabled.\n");
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   850
            return size;
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   851
        }
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   852
        else if (!strcmp(buffer, "0\n")) {
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   853
            master->eeprom_write_enable = 0;
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   854
            EC_INFO("Slave EEPROM writing disabled.\n");
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   855
            return size;
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   856
        }
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   857
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   858
        EC_ERR("Invalid value for eeprom_write_enable!\n");
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   859
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   860
        if (master->eeprom_write_enable) {
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   861
            master->eeprom_write_enable = 0;
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   862
            EC_INFO("Slave EEPROM writing disabled.\n");
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   863
        }
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   864
    }
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   865
    else if (attr == &attr_debug_level) {
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   866
        if (!strcmp(buffer, "0\n")) {
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   867
            master->debug_level = 0;
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   868
        }
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   869
        else if (!strcmp(buffer, "1\n")) {
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   870
            master->debug_level = 1;
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   871
        }
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   872
        else if (!strcmp(buffer, "2\n")) {
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   873
            master->debug_level = 2;
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   874
        }
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   875
        else {
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   876
            EC_ERR("Invalid debug level value!\n");
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   877
            return -EINVAL;
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   878
        }
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   879
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   880
        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
   881
        return size;
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   882
    }
268
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   883
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   884
    return -EINVAL;
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   885
}
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   886
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   887
/*****************************************************************************/
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   888
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   889
/**
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
   890
   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
   891
*/
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   892
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   893
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
   894
{
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   895
    ec_eoe_t *eoe;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   896
    ec_slave_t *slave;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   897
    unsigned int coupled, found;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   898
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
   899
    if (master->eoe_running || master->eoe_checked) return;
ddb48b173680 Fixed bug with ec_master_eoe_start() does new coupling all the time.
Florian Pose <fp@igh-essen.com>
parents: 325
diff changeset
   900
ddb48b173680 Fixed bug with ec_master_eoe_start() does new coupling all the time.
Florian Pose <fp@igh-essen.com>
parents: 325
diff changeset
   901
    master->eoe_checked = 1;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   902
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   903
    // if the locking callbacks are not set in operation mode,
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   904
    // the EoE timer my not be started.
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   905
    if (master->mode == EC_MASTER_MODE_OPERATION
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
   906
        && (!master->request_cb || !master->release_cb)) {
ddb48b173680 Fixed bug with ec_master_eoe_start() does new coupling all the time.
Florian Pose <fp@igh-essen.com>
parents: 325
diff changeset
   907
        EC_INFO("No EoE processing because of missing locking callbacks.\n");
ddb48b173680 Fixed bug with ec_master_eoe_start() does new coupling all the time.
Florian Pose <fp@igh-essen.com>
parents: 325
diff changeset
   908
        return;
ddb48b173680 Fixed bug with ec_master_eoe_start() does new coupling all the time.
Florian Pose <fp@igh-essen.com>
parents: 325
diff changeset
   909
    }
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   910
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   911
    // decouple all EoE handlers
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   912
    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
   913
        eoe->slave = NULL;
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   914
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   915
    // couple a free EoE handler to every EoE-capable slave
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   916
    coupled = 0;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   917
    list_for_each_entry(slave, &master->slaves, list) {
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   918
        if (!(slave->sii_mailbox_protocols & EC_MBOX_EOE)) continue;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   919
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   920
        found = 0;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   921
        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
   922
            if (eoe->slave) continue;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   923
            eoe->slave = slave;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   924
            found = 1;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   925
            coupled++;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   926
            EC_INFO("Coupling device %s to slave %i.\n",
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   927
                    eoe->dev->name, slave->ring_position);
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   928
            if (eoe->opened) slave->requested_state = EC_SLAVE_STATE_OP;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   929
            else slave->requested_state = EC_SLAVE_STATE_INIT;
291
0b1f877cf3f1 Slave: state_error -> error_flag, error_flag only in slave state machine.
Florian Pose <fp@igh-essen.com>
parents: 278
diff changeset
   930
            slave->error_flag = 0;
253
6dd3e49dbb85 Fixed bug with coupling multiple EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 252
diff changeset
   931
            break;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   932
        }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   933
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   934
        if (!found) {
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   935
            EC_WARN("No EoE handler for slave %i!\n", slave->ring_position);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   936
            slave->requested_state = EC_SLAVE_STATE_INIT;
291
0b1f877cf3f1 Slave: state_error -> error_flag, error_flag only in slave state machine.
Florian Pose <fp@igh-essen.com>
parents: 278
diff changeset
   937
            slave->error_flag = 0;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   938
        }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   939
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   940
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   941
    if (!coupled) {
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   942
        EC_INFO("No EoE handlers coupled.\n");
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   943
        return;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   944
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   945
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   946
    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
   947
    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
   948
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   949
    // start EoE processing
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   950
    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
   951
    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
   952
    return;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   953
}
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   954
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   955
/*****************************************************************************/
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   956
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   957
/**
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   958
   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
   959
*/
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   960
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   961
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
   962
{
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   963
    ec_eoe_t *eoe;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   964
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
   965
    master->eoe_checked = 0;
ddb48b173680 Fixed bug with ec_master_eoe_start() does new coupling all the time.
Florian Pose <fp@igh-essen.com>
parents: 325
diff changeset
   966
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   967
    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
   968
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   969
    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
   970
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   971
    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
   972
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   973
    // decouple all EoE handlers
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   974
    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
   975
        if (eoe->slave) {
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   976
            eoe->slave->requested_state = EC_SLAVE_STATE_INIT;
291
0b1f877cf3f1 Slave: state_error -> error_flag, error_flag only in slave state machine.
Florian Pose <fp@igh-essen.com>
parents: 278
diff changeset
   977
            eoe->slave->error_flag = 0;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   978
            eoe->slave = NULL;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   979
        }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   980
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   981
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   982
    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
   983
}
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   984
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   985
/*****************************************************************************/
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   986
/**
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   987
   Does the Ethernet-over-EtherCAT processing.
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   988
*/
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   989
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   990
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
   991
{
60a10d85c20b Prepared EoE processing with workqueue.
Florian Pose <fp@igh-essen.com>
parents: 204
diff changeset
   992
    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
   993
    ec_eoe_t *eoe;
235
f973808540a6 No master locking, if no EoE devices are "up".
Florian Pose <fp@igh-essen.com>
parents: 228
diff changeset
   994
    unsigned int active = 0;
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   995
    cycles_t cycles_start, cycles_end;
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   996
    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
   997
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   998
    list_for_each_entry(eoe, &master->eoe_handlers, list) {
235
f973808540a6 No master locking, if no EoE devices are "up".
Florian Pose <fp@igh-essen.com>
parents: 228
diff changeset
   999
        if (ec_eoe_active(eoe)) active++;
f973808540a6 No master locking, if no EoE devices are "up".
Florian Pose <fp@igh-essen.com>
parents: 228
diff changeset
  1000
    }
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1001
    if (!active) goto queue_timer;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1002
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1003
    // aquire master lock...
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1004
    if (master->mode == EC_MASTER_MODE_OPERATION) {
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1005
        // request_cb must return 0, if the lock has been aquired!
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1006
        if (master->request_cb(master->cb_data))
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1007
            goto queue_timer;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1008
    }
306
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
  1009
    else if (master->mode == EC_MASTER_MODE_IDLE) {
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1010
        spin_lock(&master->internal_lock);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1011
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1012
    else
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1013
        goto queue_timer;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1014
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1015
    // actual EoE processing
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1016
    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
  1017
    ecrt_master_receive(master);
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1018
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1019
    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
  1020
        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
  1021
    }
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1022
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1023
    ecrt_master_send(master);
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1024
    cycles_end = get_cycles();
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1025
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1026
    // release lock...
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1027
    if (master->mode == EC_MASTER_MODE_OPERATION) {
228
ec516cfa207e Added EC_EOE_FREQUENCY
Florian Pose <fp@igh-essen.com>
parents: 226
diff changeset
  1028
        master->release_cb(master->cb_data);
ec516cfa207e Added EC_EOE_FREQUENCY
Florian Pose <fp@igh-essen.com>
parents: 226
diff changeset
  1029
    }
306
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
  1030
    else if (master->mode == EC_MASTER_MODE_IDLE) {
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1031
        spin_unlock(&master->internal_lock);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1032
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1033
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1034
    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
  1035
        = (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
  1036
    master->eoe_cycle_time_pos++;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1037
    master->eoe_cycle_time_pos %= HZ;
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1038
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1039
 queue_timer:
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1040
    restart_jiffies = HZ / EC_EOE_FREQUENCY;
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1041
    if (!restart_jiffies) restart_jiffies = 1;
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1042
    master->eoe_timer.expires += restart_jiffies;
208
b7797f8a813d command timeout, EoE processing with kernel timer.
Florian Pose <fp@igh-essen.com>
parents: 206
diff changeset
  1043
    add_timer(&master->eoe_timer);
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1044
}
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1045
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1046
/*****************************************************************************/
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1047
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1048
/**
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1049
   Calculates Advanced Position Adresses.
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1050
*/
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1051
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1052
void ec_master_calc_addressing(ec_master_t *master /**< EtherCAT master */)
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1053
{
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1054
    uint16_t coupler_index, coupler_subindex;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1055
    uint16_t reverse_coupler_index, current_coupler_index;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1056
    ec_slave_t *slave;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1057
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1058
    coupler_index = 0;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1059
    reverse_coupler_index = 0xFFFF;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1060
    current_coupler_index = 0x0000;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1061
    coupler_subindex = 0;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1062
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1063
    list_for_each_entry(slave, &master->slaves, list) {
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1064
        if (ec_slave_is_coupler(slave)) {
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1065
            if (slave->sii_alias)
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1066
                current_coupler_index = reverse_coupler_index--;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1067
            else
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1068
                current_coupler_index = coupler_index++;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1069
            coupler_subindex = 0;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1070
        }
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1071
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1072
        slave->coupler_index = current_coupler_index;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1073
        slave->coupler_subindex = coupler_subindex;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1074
        coupler_subindex++;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1075
    }
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1076
}
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1077
330
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1078
/*****************************************************************************/
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1079
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1080
/**
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1081
   Measures the time, a frame is on the bus.
377
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
  1082
   \return 0 in case of success, else < 0
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
  1083
*/
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
  1084
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
  1085
int ec_master_measure_bus_time(ec_master_t *master)
330
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1086
{
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1087
    ec_datagram_t datagram;
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1088
    uint32_t cur, sum, min, max, i;
330
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1089
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1090
    ec_datagram_init(&datagram);
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1091
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1092
    if (ec_datagram_brd(&datagram, 0x130, 2)) {
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1093
        EC_ERR("Failed to allocate datagram for bus time measuring.\n");
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1094
        ec_datagram_clear(&datagram);
377
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
  1095
        return -1;
330
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1096
    }
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1097
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1098
    ecrt_master_receive(master);
330
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1099
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1100
    sum = 0;
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1101
    min = 0xFFFFFFFF;
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1102
    max = 0;
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1103
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1104
    for (i = 0; i < 100; i++) {
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1105
        ec_master_queue_datagram(master, &datagram);
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1106
        ecrt_master_send(master);
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1107
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1108
        while (1) {
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1109
            ecrt_master_receive(master);
330
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1110
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1111
            if (datagram.state == EC_DATAGRAM_RECEIVED) {
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1112
                break;
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1113
            }
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1114
            else if (datagram.state == EC_DATAGRAM_ERROR) {
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1115
                EC_WARN("Failed to measure bus time.\n");
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1116
                goto error;
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1117
            }
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1118
            else if (datagram.state == EC_DATAGRAM_TIMED_OUT) {
330
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1119
                EC_WARN("Timeout while measuring bus time.\n");
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1120
                goto error;
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1121
            }
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1122
        }
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1123
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1124
        cur = (unsigned int) (datagram.cycles_received
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1125
                              - datagram.cycles_sent) * 1000 / cpu_khz;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1126
        sum += cur;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1127
        if (cur > max) max = cur;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1128
        if (cur < min) min = cur;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1129
    }
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1130
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1131
    EC_INFO("Bus time is (min/avg/max) %u / %u.%u / %u us.\n",
330
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1132
            min, sum / 100, sum % 100, max);
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1133
    ec_datagram_clear(&datagram);
377
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
  1134
    return 0;
330
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1135
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1136
  error:
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1137
    ec_datagram_clear(&datagram);
377
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
  1138
    return -1;
330
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1139
}
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1140
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
  1141
/******************************************************************************
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1142
 *  Realtime interface
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
  1143
 *****************************************************************************/
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
  1144
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
  1145
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1146
   Creates a domain.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1147
   \return pointer to new domain on success, else NULL
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1148
   \ingroup RealtimeInterface
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1149
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1150
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1151
ec_domain_t *ecrt_master_create_domain(ec_master_t *master /**< master */)
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1152
{
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1153
    ec_domain_t *domain, *last_domain;
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1154
    unsigned int index;
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1155
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1156
    if (!(domain = (ec_domain_t *) kmalloc(sizeof(ec_domain_t), GFP_KERNEL))) {
84
b4ae98855cea printk durch Makros ersetzt.
Florian Pose <fp@igh-essen.com>
parents: 82
diff changeset
  1157
        EC_ERR("Error allocating domain memory!\n");
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1158
        goto out_return;
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1159
    }
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1160
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1161
    if (list_empty(&master->domains)) index = 0;
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1162
    else {
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1163
        last_domain = list_entry(master->domains.prev, ec_domain_t, list);
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1164
        index = last_domain->index + 1;
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1165
    }
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1166
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1167
    if (ec_domain_init(domain, master, index)) {
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1168
        EC_ERR("Failed to init domain.\n");
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1169
        goto out_return;
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1170
    }
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1171
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1172
    if (kobject_add(&domain->kobj)) {
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1173
        EC_ERR("Failed to add domain kobject.\n");
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1174
        goto out_put;
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1175
    }
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1176
95
0066de7a456d Domains als Liste verwaltet.
Florian Pose <fp@igh-essen.com>
parents: 94
diff changeset
  1177
    list_add_tail(&domain->list, &master->domains);
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1178
    return domain;
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1179
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1180
 out_put:
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1181
    kobject_put(&domain->kobj);
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1182
 out_return:
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1183
    return NULL;
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1184
}
61
cd014255f94f register_slave_list() und Bugfix in deactivate_slaves()
Florian Pose <fp@igh-essen.com>
parents: 58
diff changeset
  1185
74
9bf603942791 Neues Slave-Interface, CRC-Pr?fung und mehrfaches Scannen nun ungef?hrlich.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
  1186
/*****************************************************************************/
9bf603942791 Neues Slave-Interface, CRC-Pr?fung und mehrfaches Scannen nun ungef?hrlich.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
  1187
61
cd014255f94f register_slave_list() und Bugfix in deactivate_slaves()
Florian Pose <fp@igh-essen.com>
parents: 58
diff changeset
  1188
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1189
   Configures all slaves and leads them to the OP state.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1190
   Does the complete configuration and activation for all slaves. Sets sync
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1191
   managers and FMMUs, and does the appropriate transitions, until the slave
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1192
   is operational.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1193
   \return 0 in case of success, else < 0
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1194
   \ingroup RealtimeInterface
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1195
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1196
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1197
int ecrt_master_activate(ec_master_t *master /**< EtherCAT master */)
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1198
{
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1199
    uint32_t domain_offset;
84
b4ae98855cea printk durch Makros ersetzt.
Florian Pose <fp@igh-essen.com>
parents: 82
diff changeset
  1200
    ec_domain_t *domain;
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1201
    ec_fsm_t *fsm = &master->fsm;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1202
    ec_slave_t *slave;
144
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
  1203
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1204
    // allocate all domains
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1205
    domain_offset = 0;
95
0066de7a456d Domains als Liste verwaltet.
Florian Pose <fp@igh-essen.com>
parents: 94
diff changeset
  1206
    list_for_each_entry(domain, &master->domains, list) {
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1207
        if (ec_domain_alloc(domain, domain_offset)) {
95
0066de7a456d Domains als Liste verwaltet.
Florian Pose <fp@igh-essen.com>
parents: 94
diff changeset
  1208
            EC_ERR("Failed to allocate domain %X!\n", (u32) domain);
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1209
            return -1;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1210
        }
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1211
        domain_offset += domain->data_size;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1212
    }
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1213
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1214
    // determine initial states.
182
8c0bc99229a9 Slaves stored in list, slaves in SysFS
Florian Pose <fp@igh-essen.com>
parents: 179
diff changeset
  1215
    list_for_each_entry(slave, &master->slaves, list) {
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1216
        if (ec_slave_is_coupler(slave) || slave->registered) {
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1217
            slave->requested_state = EC_SLAVE_STATE_OP;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1218
        }
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1219
        else {
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1220
            slave->requested_state = EC_SLAVE_STATE_PREOP;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1221
        }
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1222
    }
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1223
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1224
    ec_fsm_configuration(fsm); // init configuration state machine
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1225
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1226
    do {
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1227
        ec_fsm_execute(fsm);
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1228
        ec_master_sync_io(master);
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1229
    }
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1230
    while (ec_fsm_configuration_running(fsm));
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1231
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1232
    if (!ec_fsm_configuration_success(fsm)) {
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1233
        return -1;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1234
    }
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1235
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1236
    ec_fsm_reset(&master->fsm); // prepare for operation state machine
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1237
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1238
    return 0;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1239
}
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1240
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1241
/*****************************************************************************/
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1242
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1243
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1244
   Resets all slaves to INIT state.
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1245
   \ingroup RealtimeInterface
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1246
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1247
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1248
void ecrt_master_deactivate(ec_master_t *master /**< EtherCAT master */)
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1249
{
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1250
    ec_fsm_t *fsm = &master->fsm;
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1251
    ec_slave_t *slave;
182
8c0bc99229a9 Slaves stored in list, slaves in SysFS
Florian Pose <fp@igh-essen.com>
parents: 179
diff changeset
  1252
8c0bc99229a9 Slaves stored in list, slaves in SysFS
Florian Pose <fp@igh-essen.com>
parents: 179
diff changeset
  1253
    list_for_each_entry(slave, &master->slaves, list) {
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1254
        slave->requested_state = EC_SLAVE_STATE_INIT;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1255
    }
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1256
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1257
    ec_fsm_configuration(fsm); // init configuration state machine
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1258
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1259
    do {
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1260
        ec_fsm_execute(fsm);
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1261
        ec_master_sync_io(master);
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1262
    }
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1263
    while (ec_fsm_configuration_running(fsm));
135
80d493917205 Laden der SDO Dictionaries funktioniert.
Florian Pose <fp@igh-essen.com>
parents: 133
diff changeset
  1264
}
80d493917205 Laden der SDO Dictionaries funktioniert.
Florian Pose <fp@igh-essen.com>
parents: 133
diff changeset
  1265
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1266
/*****************************************************************************/
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1267
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1268
/**
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1269
   Sends queued datagrams and waits for their reception.
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1270
*/
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1271
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1272
void ec_master_sync_io(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
  1273
{
345
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
  1274
    ec_datagram_t *datagram;
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
  1275
    unsigned int datagrams_waiting;
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1276
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1277
    // send datagrams
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1278
    ecrt_master_send(master);
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1279
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1280
    while (1) { // active waiting
345
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
  1281
        ecrt_master_receive(master); // receive and dequeue datagrams
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
  1282
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
  1283
        // count number of datagrams still waiting for response
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
  1284
        datagrams_waiting = 0;
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
  1285
        list_for_each_entry(datagram, &master->datagram_queue, queue) {
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
  1286
            datagrams_waiting++;
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
  1287
        }
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
  1288
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
  1289
        // if there are no more datagrams waiting, abort loop.
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
  1290
        if (!datagrams_waiting) break;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1291
    }
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1292
}
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1294
/*****************************************************************************/
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1295
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1296
/**
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1297
   Asynchronous sending of datagrams.
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1298
   \ingroup RealtimeInterface
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1299
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1300
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1301
void ecrt_master_send(ec_master_t *master /**< EtherCAT master */)
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1302
{
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1303
    ec_datagram_t *datagram, *n;
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1304
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1305
    if (unlikely(!master->device->link_state)) {
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1306
        // link is down, no datagram can be sent
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1307
        list_for_each_entry_safe(datagram, n, &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
  1308
            datagram->state = EC_DATAGRAM_ERROR;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1309
            list_del_init(&datagram->queue);
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1310
        }
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1311
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1312
        // query link state
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1313
        ec_device_call_isr(master->device);
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1314
        return;
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1315
    }
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1316
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1317
    // send frames
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1318
    ec_master_send_datagrams(master);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1319
}
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1320
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1321
/*****************************************************************************/
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1322
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1323
/**
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1324
   Asynchronous receiving of datagrams.
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1325
   \ingroup RealtimeInterface
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1326
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1327
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1328
void ecrt_master_receive(ec_master_t *master /**< EtherCAT master */)
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1329
{
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1330
    ec_datagram_t *datagram, *next;
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1331
    cycles_t cycles_timeout;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1332
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1333
    // receive datagrams
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1334
    ec_device_call_isr(master->device);
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1335
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1336
    cycles_timeout = (cycles_t) EC_IO_TIMEOUT /* us */ * (cpu_khz / 1000);
208
b7797f8a813d command timeout, EoE processing with kernel timer.
Florian Pose <fp@igh-essen.com>
parents: 206
diff changeset
  1337
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1338
    // dequeue all datagrams that timed out
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1339
    list_for_each_entry_safe(datagram, next, &master->datagram_queue, queue) {
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1340
        switch (datagram->state) {
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1341
            case EC_DATAGRAM_QUEUED:
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1342
                if (master->device->cycles_isr
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1343
                    - datagram->cycles_queued > cycles_timeout) {
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1344
                    list_del_init(&datagram->queue);
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1345
                    datagram->state = EC_DATAGRAM_TIMED_OUT;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1346
                    master->stats.timeouts++;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1347
                    ec_master_output_stats(master);
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1348
                }
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1349
                break;
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1350
            case EC_DATAGRAM_SENT:
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1351
                if (master->device->cycles_isr
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1352
                    - datagram->cycles_sent > cycles_timeout) {
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1353
                    list_del_init(&datagram->queue);
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1354
                    datagram->state = EC_DATAGRAM_TIMED_OUT;
208
b7797f8a813d command timeout, EoE processing with kernel timer.
Florian Pose <fp@igh-essen.com>
parents: 206
diff changeset
  1355
                    master->stats.timeouts++;
b7797f8a813d command timeout, EoE processing with kernel timer.
Florian Pose <fp@igh-essen.com>
parents: 206
diff changeset
  1356
                    ec_master_output_stats(master);
b7797f8a813d command timeout, EoE processing with kernel timer.
Florian Pose <fp@igh-essen.com>
parents: 206
diff changeset
  1357
                }
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1358
                break;
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1359
            default:
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1360
                break;
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1361
        }
144
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
  1362
    }
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1363
}
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1364
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1365
/*****************************************************************************/
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1366
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1367
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1368
   Prepares synchronous IO.
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1369
   Queues all domain datagrams and sends them. Then waits a certain time, so
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1370
   that ecrt_master_receive() can be called securely.
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1371
   \ingroup RealtimeInterface
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1372
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1373
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1374
void ecrt_master_prepare(ec_master_t *master /**< EtherCAT master */)
106
d6679c77ad3f ecrt_master_prepare_async_io() hinzugef?gt.
Florian Pose <fp@igh-essen.com>
parents: 104
diff changeset
  1375
{
d6679c77ad3f ecrt_master_prepare_async_io() hinzugef?gt.
Florian Pose <fp@igh-essen.com>
parents: 104
diff changeset
  1376
    ec_domain_t *domain;
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1377
    cycles_t cycles_start, cycles_end, cycles_timeout;
106
d6679c77ad3f ecrt_master_prepare_async_io() hinzugef?gt.
Florian Pose <fp@igh-essen.com>
parents: 104
diff changeset
  1378
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1379
    // queue datagrams of all domains
106
d6679c77ad3f ecrt_master_prepare_async_io() hinzugef?gt.
Florian Pose <fp@igh-essen.com>
parents: 104
diff changeset
  1380
    list_for_each_entry(domain, &master->domains, list)
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1381
        ec_domain_queue(domain);
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1382
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1383
    ecrt_master_send(master);
106
d6679c77ad3f ecrt_master_prepare_async_io() hinzugef?gt.
Florian Pose <fp@igh-essen.com>
parents: 104
diff changeset
  1384
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1385
    cycles_start = get_cycles();
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1386
    cycles_timeout = (cycles_t) EC_IO_TIMEOUT /* us */ * (cpu_khz / 1000);
106
d6679c77ad3f ecrt_master_prepare_async_io() hinzugef?gt.
Florian Pose <fp@igh-essen.com>
parents: 104
diff changeset
  1387
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1388
    // active waiting
113
a3dbd6bc8fce Do-Schleifen ersetzt.
Florian Pose <fp@igh-essen.com>
parents: 111
diff changeset
  1389
    while (1) {
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1390
        udelay(100);
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1391
        cycles_end = get_cycles();
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1392
        if (cycles_end - cycles_start >= cycles_timeout) break;
113
a3dbd6bc8fce Do-Schleifen ersetzt.
Florian Pose <fp@igh-essen.com>
parents: 111
diff changeset
  1393
    }
106
d6679c77ad3f ecrt_master_prepare_async_io() hinzugef?gt.
Florian Pose <fp@igh-essen.com>
parents: 104
diff changeset
  1394
}
d6679c77ad3f ecrt_master_prepare_async_io() hinzugef?gt.
Florian Pose <fp@igh-essen.com>
parents: 104
diff changeset
  1395
d6679c77ad3f ecrt_master_prepare_async_io() hinzugef?gt.
Florian Pose <fp@igh-essen.com>
parents: 104
diff changeset
  1396
/*****************************************************************************/
d6679c77ad3f ecrt_master_prepare_async_io() hinzugef?gt.
Florian Pose <fp@igh-essen.com>
parents: 104
diff changeset
  1397
d6679c77ad3f ecrt_master_prepare_async_io() hinzugef?gt.
Florian Pose <fp@igh-essen.com>
parents: 104
diff changeset
  1398
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1399
   Does all cyclic master work.
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1400
   \ingroup RealtimeInterface
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1401
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1402
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1403
void ecrt_master_run(ec_master_t *master /**< EtherCAT master */)
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1404
{
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1405
    // output statistics
144
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
  1406
    ec_master_output_stats(master);
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
  1407
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents: 236
diff changeset
  1408
    // execute master state machine
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents: 236
diff changeset
  1409
    ec_fsm_execute(&master->fsm);
144
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
  1410
}
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
  1411
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
  1412
/*****************************************************************************/
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
  1413
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
  1414
/**
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1415
   Translates an ASCII coded bus-address to a slave pointer.
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1416
   These are the valid addressing schemes:
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1417
   - \a "X" = the X. slave on the bus,
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1418
   - \a "X:Y" = the Y. slave after the X. branch (bus coupler),
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1419
   - \a "#X" = the slave with alias X,
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1420
   - \a "#X:Y" = the Y. slave after the branch (bus coupler) with alias X.
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1421
   X and Y are zero-based indices and may be provided in hexadecimal or octal
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1422
   notation (with respective prefix).
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1423
   \return pointer to the slave on success, else NULL
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1424
   \ingroup RealtimeInterface
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1425
*/
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1426
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1427
ec_slave_t *ecrt_master_get_slave(const ec_master_t *master, /**< Master */
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1428
                                  const char *address /**< address string */
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1429
                                  )
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1430
{
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1431
    unsigned long first, second;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1432
    char *remainder, *remainder2;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1433
    unsigned int alias_requested, alias_found;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1434
    ec_slave_t *alias_slave = NULL, *slave;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1435
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1436
    if (!address || address[0] == 0) return NULL;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1437
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1438
    alias_requested = 0;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1439
    if (address[0] == '#') {
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1440
        alias_requested = 1;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1441
        address++;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1442
    }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1443
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1444
    first = simple_strtoul(address, &remainder, 0);
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1445
    if (remainder == address) {
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1446
        EC_ERR("Slave address \"%s\" - First number empty!\n", address);
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1447
        return NULL;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1448
    }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1449
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1450
    if (alias_requested) {
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1451
        alias_found = 0;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1452
        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
  1453
            if (alias_slave->sii_alias == first) {
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1454
                alias_found = 1;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1455
                break;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1456
            }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1457
        }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1458
        if (!alias_found) {
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1459
            EC_ERR("Slave address \"%s\" - Alias not found!\n", address);
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1460
            return NULL;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1461
        }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1462
    }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1463
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1464
    if (!remainder[0]) { // absolute position
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1465
        if (alias_requested) {
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1466
            return alias_slave;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1467
        }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1468
        else {
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1469
            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
  1470
                if (slave->ring_position == first) return slave;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1471
            }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1472
            EC_ERR("Slave address \"%s\" - Absolute position invalid!\n",
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1473
                   address);
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1474
        }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1475
    }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1476
    else if (remainder[0] == ':') { // field position
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1477
        remainder++;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1478
        second = simple_strtoul(remainder, &remainder2, 0);
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1479
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1480
        if (remainder2 == remainder) {
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1481
            EC_ERR("Slave address \"%s\" - Second number empty!\n", address);
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1482
            return NULL;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1483
        }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1484
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1485
        if (remainder2[0]) {
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1486
            EC_ERR("Slave address \"%s\" - Invalid trailer!\n", address);
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1487
            return NULL;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1488
        }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1489
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1490
        if (alias_requested) {
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1491
            if (!ec_slave_is_coupler(alias_slave)) {
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1492
                EC_ERR("Slave address \"%s\": Alias slave must be bus coupler"
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1493
                       " in colon mode.\n", address);
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1494
                return NULL;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1495
            }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1496
            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
  1497
                if (slave->coupler_index == alias_slave->coupler_index
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1498
                    && slave->coupler_subindex == second)
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1499
                    return slave;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1500
            }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1501
            EC_ERR("Slave address \"%s\" - Bus coupler %i has no %lu. slave"
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1502
                   " following!\n", address, alias_slave->ring_position,
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1503
                   second);
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1504
            return NULL;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1505
        }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1506
        else {
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1507
            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
  1508
                if (slave->coupler_index == first
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1509
                    && slave->coupler_subindex == second) return slave;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1510
            }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1511
        }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1512
    }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1513
    else
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1514
        EC_ERR("Slave address \"%s\" - Invalid format!\n", address);
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1515
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1516
    return NULL;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1517
}
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1518
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1519
/*****************************************************************************/
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1520
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1521
/**
204
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1522
   Sets the locking callbacks.
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
  1523
   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
  1524
   (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
  1525
   that access is forbidden at this time.
204
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1526
   \ingroup RealtimeInterface
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1527
*/
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1528
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1529
void ecrt_master_callbacks(ec_master_t *master, /**< EtherCAT master */
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1530
                           int (*request_cb)(void *), /**< request lock CB */
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1531
                           void (*release_cb)(void *), /**< release lock CB */
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1532
                           void *cb_data /**< data parameter */
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1533
                           )
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1534
{
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1535
    master->request_cb = request_cb;
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1536
    master->release_cb = release_cb;
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1537
    master->cb_data = cb_data;
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1538
}
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1539
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1540
/*****************************************************************************/
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1541
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1542
/** \cond */
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1543
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1544
EXPORT_SYMBOL(ecrt_master_create_domain);
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1545
EXPORT_SYMBOL(ecrt_master_activate);
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1546
EXPORT_SYMBOL(ecrt_master_deactivate);
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1547
EXPORT_SYMBOL(ecrt_master_prepare);
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1548
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
  1549
EXPORT_SYMBOL(ecrt_master_receive);
144
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
  1550
EXPORT_SYMBOL(ecrt_master_run);
206
60a10d85c20b Prepared EoE processing with workqueue.
Florian Pose <fp@igh-essen.com>
parents: 204
diff changeset
  1551
EXPORT_SYMBOL(ecrt_master_callbacks);
138
7e743a61a991 SDO-Schnittstelle verbessert.
Florian Pose <fp@igh-essen.com>
parents: 136
diff changeset
  1552
EXPORT_SYMBOL(ecrt_master_get_slave);
42
a22a202d0f42 Domains, Warten beim Senden, 10kHz.
Florian Pose <fp@igh-essen.com>
parents: 39
diff changeset
  1553
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1554
/** \endcond */
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1555
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1556
/*****************************************************************************/