master/master.c
author Florian Pose <fp@igh-essen.com>
Mon, 08 Jan 2007 15:02:05 +0000
changeset 516 f703e33ee395
parent 515 37aa1bfa0dee
child 517 b6ebde3d006d
permissions -rw-r--r--
Adjusted examples to EtherLab starter kit hardware.
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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_destroy_domains(ec_master_t *);
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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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void ec_master_check_sdo(unsigned long);
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int ec_master_measure_bus_time(ec_master_t *);
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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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    atomic_set(&master->available, 1);
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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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    master->mode = EC_MASTER_MODE_ORPHANED;
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    INIT_LIST_HEAD(&master->slaves);
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    master->slave_count = 0;
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    INIT_LIST_HEAD(&master->datagram_queue);
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    master->datagram_index = 0;
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    INIT_LIST_HEAD(&master->domains);
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    master->debug_level = 0;
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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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Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   134
    master->stats.unmatched = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   135
    master->stats.output_jiffies = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   136
318
5f35e74124d1 Renamed ec_master_idle() to ec_master_idle_run().
Florian Pose <fp@igh-essen.com>
parents: 313
diff changeset
   137
    INIT_WORK(&master->idle_work, ec_master_idle_run, (void *) master);
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   138
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   139
    for (i = 0; i < HZ; i++) {
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   140
        master->idle_cycle_times[i] = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   141
        master->eoe_cycle_times[i] = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   142
    }
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   143
    master->idle_cycle_time_pos = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   144
    master->eoe_cycle_time_pos = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   145
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
   146
    init_timer(&master->eoe_timer);
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   147
    master->eoe_timer.function = ec_master_eoe_run;
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
   148
    master->eoe_timer.data = (unsigned long) master;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   149
    master->eoe_running = 0;
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
   150
    master->eoe_checked = 0;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   151
    INIT_LIST_HEAD(&master->eoe_handlers);
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   152
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   153
    master->internal_lock = SPIN_LOCK_UNLOCKED;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   154
    master->request_cb = NULL;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   155
    master->release_cb = NULL;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   156
    master->cb_data = NULL;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   157
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   158
    master->eeprom_write_enable = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   159
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   160
    master->sdo_request = NULL;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   161
    master->sdo_seq_user = 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   162
    master->sdo_seq_master = 0;
441
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
   163
    init_MUTEX(&master->sdo_sem);
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
   164
    init_timer(&master->sdo_timer);
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
   165
    master->sdo_timer.function = ec_master_check_sdo;
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
   166
    master->sdo_timer.data = (unsigned long) master;
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
   167
    init_completion(&master->sdo_complete);
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   168
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   169
    // create workqueue
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   170
    if (!(master->workqueue = create_singlethread_workqueue("EtherCAT"))) {
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   171
        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
   172
        goto out_return;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   173
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   174
361
29af81543ce1 Introduced per-master character devices for XML descriptions.
Florian Pose <fp@igh-essen.com>
parents: 356
diff changeset
   175
    // init XML character device
29af81543ce1 Introduced per-master character devices for XML descriptions.
Florian Pose <fp@igh-essen.com>
parents: 356
diff changeset
   176
    if (ec_xmldev_init(&master->xmldev, master, dev_num)) {
29af81543ce1 Introduced per-master character devices for XML descriptions.
Florian Pose <fp@igh-essen.com>
parents: 356
diff changeset
   177
        EC_ERR("Failed to init XML character device.\n");
29af81543ce1 Introduced per-master character devices for XML descriptions.
Florian Pose <fp@igh-essen.com>
parents: 356
diff changeset
   178
        goto out_clear_wq;
29af81543ce1 Introduced per-master character devices for XML descriptions.
Florian Pose <fp@igh-essen.com>
parents: 356
diff changeset
   179
    }
29af81543ce1 Introduced per-master character devices for XML descriptions.
Florian Pose <fp@igh-essen.com>
parents: 356
diff changeset
   180
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   181
    // 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
   182
    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
   183
        if (!(eoe = (ec_eoe_t *) kmalloc(sizeof(ec_eoe_t), GFP_KERNEL))) {
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   184
            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
   185
            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
   186
        }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   187
        if (ec_eoe_init(eoe)) {
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   188
            kfree(eoe);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   189
            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
   190
        }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   191
        list_add_tail(&eoe->list, &master->eoe_handlers);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   192
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   193
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   194
    // 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
   195
    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
   196
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   197
    // 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
   198
    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
   199
    kobject_init(&master->kobj);
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   200
    master->kobj.ktype = &ktype_ec_master;
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   201
    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
   202
        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
   203
        kobject_put(&master->kobj);
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents: 236
diff changeset
   204
        return -1;
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
   205
    }
484
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 483
diff changeset
   206
    if (kobject_add(&master->kobj)) {
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 483
diff changeset
   207
        EC_ERR("Failed to add master kobj.\n");
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 483
diff changeset
   208
        kobject_put(&master->kobj);
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 483
diff changeset
   209
        return -1;
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 483
diff changeset
   210
    }
144
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
   211
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   212
    return 0;
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
   213
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   214
 out_clear_eoe:
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   215
    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
   216
        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
   217
        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
   218
        kfree(eoe);
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   219
    }
361
29af81543ce1 Introduced per-master character devices for XML descriptions.
Florian Pose <fp@igh-essen.com>
parents: 356
diff changeset
   220
    ec_xmldev_clear(&master->xmldev);
29af81543ce1 Introduced per-master character devices for XML descriptions.
Florian Pose <fp@igh-essen.com>
parents: 356
diff changeset
   221
 out_clear_wq:
238
b4960499098f Added finite state machine (FSM) processing.
Florian Pose <fp@igh-essen.com>
parents: 236
diff changeset
   222
    destroy_workqueue(master->workqueue);
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
   223
 out_return:
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
   224
    return -1;
0
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
}
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   226
39
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents: 35
diff changeset
   227
/*****************************************************************************/
0
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   228
05c992bf5847 trunk, tags und branches
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   229
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   230
   Master destructor.
448
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   231
   Clears the kobj-hierarchy bottom up and frees the master.
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   232
*/
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   233
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   234
void ec_master_destroy(ec_master_t *master /**< EtherCAT master */)
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   235
{
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   236
    ec_master_destroy_slaves(master);
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   237
    ec_master_destroy_domains(master);
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   238
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   239
    // destroy self
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   240
    kobject_del(&master->kobj);
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   241
    kobject_put(&master->kobj); // free master
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   242
}
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   243
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   244
/*****************************************************************************/
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   245
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   246
/**
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   247
   Clear and free master.
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   248
   This method is called by the kobject,
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   249
   once there are no more references to it.
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   250
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   251
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   252
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
   253
{
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   254
    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
   255
    ec_eoe_t *eoe, *next_eoe;
483
1a507e9ab735 Minor change in master.c.
Florian Pose <fp@igh-essen.com>
parents: 481
diff changeset
   256
    ec_datagram_t *datagram, *next_datagram;
1a507e9ab735 Minor change in master.c.
Florian Pose <fp@igh-essen.com>
parents: 481
diff changeset
   257
1a507e9ab735 Minor change in master.c.
Florian Pose <fp@igh-essen.com>
parents: 481
diff changeset
   258
    // dequeue all datagrams
1a507e9ab735 Minor change in master.c.
Florian Pose <fp@igh-essen.com>
parents: 481
diff changeset
   259
    list_for_each_entry_safe(datagram, next_datagram,
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   260
                             &master->datagram_queue, queue) {
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   261
        datagram->state = EC_DATAGRAM_ERROR;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   262
        list_del_init(&datagram->queue);
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   263
    }
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diff changeset
   264
238
b4960499098f Added finite state machine (FSM) processing.
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   265
    ec_fsm_clear(&master->fsm);
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diff changeset
   266
    destroy_workqueue(master->workqueue);
361
29af81543ce1 Introduced per-master character devices for XML descriptions.
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   267
    ec_xmldev_clear(&master->xmldev);
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
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diff changeset
   268
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
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   269
    // clear EoE objects
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   270
    list_for_each_entry_safe(eoe, next_eoe, &master->eoe_handlers, list) {
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   271
        list_del(&eoe->list);
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diff changeset
   272
        ec_eoe_clear(eoe);
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   273
        kfree(eoe);
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diff changeset
   274
    }
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diff changeset
   275
448
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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   276
    EC_INFO("Master %i freed.\n", master->index);
418
7a43437bc48b Fixed memory leak in master and slave destructors.
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   277
7a43437bc48b Fixed memory leak in master and slave destructors.
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diff changeset
   278
    kfree(master);
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
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   279
}
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
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9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
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   281
/*****************************************************************************/
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
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9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
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   283
/**
448
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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   284
   Destroy all slaves.
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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   285
*/
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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   286
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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   287
void ec_master_destroy_slaves(ec_master_t *master)
238
b4960499098f Added finite state machine (FSM) processing.
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   288
{
b4960499098f Added finite state machine (FSM) processing.
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   289
    ec_slave_t *slave, *next_slave;
b4960499098f Added finite state machine (FSM) processing.
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   290
b4960499098f Added finite state machine (FSM) processing.
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   291
    list_for_each_entry_safe(slave, next_slave, &master->slaves, list) {
b4960499098f Added finite state machine (FSM) processing.
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   292
        list_del(&slave->list);
448
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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diff changeset
   293
        ec_slave_destroy(slave);
238
b4960499098f Added finite state machine (FSM) processing.
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diff changeset
   294
    }
446
8fede404c01f Persistent slave lists.
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diff changeset
   295
238
b4960499098f Added finite state machine (FSM) processing.
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diff changeset
   296
    master->slave_count = 0;
74
9bf603942791 Neues Slave-Interface, CRC-Pr?fung und mehrfaches Scannen nun ungef?hrlich.
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diff changeset
   297
}
9bf603942791 Neues Slave-Interface, CRC-Pr?fung und mehrfaches Scannen nun ungef?hrlich.
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diff changeset
   298
9bf603942791 Neues Slave-Interface, CRC-Pr?fung und mehrfaches Scannen nun ungef?hrlich.
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diff changeset
   299
/*****************************************************************************/
9bf603942791 Neues Slave-Interface, CRC-Pr?fung und mehrfaches Scannen nun ungef?hrlich.
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diff changeset
   300
9bf603942791 Neues Slave-Interface, CRC-Pr?fung und mehrfaches Scannen nun ungef?hrlich.
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diff changeset
   301
/**
448
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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diff changeset
   302
   Destroy all domains.
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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diff changeset
   303
*/
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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diff changeset
   304
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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diff changeset
   305
void ec_master_destroy_domains(ec_master_t *master)
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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diff changeset
   306
{
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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diff changeset
   307
    ec_domain_t *domain, *next_d;
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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diff changeset
   308
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   309
    list_for_each_entry_safe(domain, next_d, &master->domains, list) {
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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parents: 446
diff changeset
   310
        list_del(&domain->list);
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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diff changeset
   311
        ec_domain_destroy(domain);
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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diff changeset
   312
    }
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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diff changeset
   313
}
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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diff changeset
   314
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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diff changeset
   315
/*****************************************************************************/
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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diff changeset
   316
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
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parents: 446
diff changeset
   317
/**
430
74754f45d5fa Implemented SDO reading via Sysfs.
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diff changeset
   318
   Flushes the SDO request queue.
74754f45d5fa Implemented SDO reading via Sysfs.
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diff changeset
   319
*/
74754f45d5fa Implemented SDO reading via Sysfs.
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diff changeset
   320
74754f45d5fa Implemented SDO reading via Sysfs.
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diff changeset
   321
void ec_master_flush_sdo_requests(ec_master_t *master)
74754f45d5fa Implemented SDO reading via Sysfs.
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parents: 418
diff changeset
   322
{
441
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
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diff changeset
   323
    del_timer_sync(&master->sdo_timer);
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
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diff changeset
   324
    complete(&master->sdo_complete);
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
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diff changeset
   325
    master->sdo_request = NULL;
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
   326
    master->sdo_seq_user = 0;
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
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diff changeset
   327
    master->sdo_seq_master = 0;
430
74754f45d5fa Implemented SDO reading via Sysfs.
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diff changeset
   328
}
74754f45d5fa Implemented SDO reading via Sysfs.
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parents: 418
diff changeset
   329
74754f45d5fa Implemented SDO reading via Sysfs.
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diff changeset
   330
/*****************************************************************************/
74754f45d5fa Implemented SDO reading via Sysfs.
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parents: 418
diff changeset
   331
74754f45d5fa Implemented SDO reading via Sysfs.
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parents: 418
diff changeset
   332
/**
515
37aa1bfa0dee Internal locking callbacks, improved locking.
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parents: 511
diff changeset
   333
   Internal locking callback.
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   334
*/
37aa1bfa0dee Internal locking callbacks, improved locking.
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parents: 511
diff changeset
   335
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   336
int ec_master_request_cb(void *master /**< callback data */)
37aa1bfa0dee Internal locking callbacks, improved locking.
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parents: 511
diff changeset
   337
{
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   338
    spin_lock(&((ec_master_t *) master)->internal_lock);
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   339
    return 0;
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   340
}
37aa1bfa0dee Internal locking callbacks, improved locking.
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parents: 511
diff changeset
   341
37aa1bfa0dee Internal locking callbacks, improved locking.
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parents: 511
diff changeset
   342
/*****************************************************************************/
37aa1bfa0dee Internal locking callbacks, improved locking.
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parents: 511
diff changeset
   343
37aa1bfa0dee Internal locking callbacks, improved locking.
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parents: 511
diff changeset
   344
/**
37aa1bfa0dee Internal locking callbacks, improved locking.
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parents: 511
diff changeset
   345
   Internal unlocking callback.
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   346
*/
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   347
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   348
void ec_master_release_cb(void *master /**< callback data */)
37aa1bfa0dee Internal locking callbacks, improved locking.
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parents: 511
diff changeset
   349
{
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   350
    spin_unlock(&((ec_master_t *) master)->internal_lock);
37aa1bfa0dee Internal locking callbacks, improved locking.
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parents: 511
diff changeset
   351
}
37aa1bfa0dee Internal locking callbacks, improved locking.
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parents: 511
diff changeset
   352
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   353
/*****************************************************************************/
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   354
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   355
/**
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   356
*/
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   357
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   358
int ec_master_enter_idle_mode(ec_master_t *master /**< EtherCAT master */)
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   359
{
515
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   360
    master->request_cb = ec_master_request_cb;
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   361
    master->release_cb = ec_master_release_cb;
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   362
    master->cb_data = master;
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   363
	
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   364
    master->mode = EC_MASTER_MODE_IDLE;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   365
    queue_delayed_work(master->workqueue, &master->idle_work, 1);
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   366
    return 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   367
}
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   368
8fede404c01f Persistent slave lists.
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parents: 444
diff changeset
   369
/*****************************************************************************/
8fede404c01f Persistent slave lists.
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diff changeset
   370
8fede404c01f Persistent slave lists.
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diff changeset
   371
/**
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   372
*/
8fede404c01f Persistent slave lists.
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diff changeset
   373
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   374
void ec_master_leave_idle_mode(ec_master_t *master /**< EtherCAT master */)
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   375
{
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   376
    ec_master_eoe_stop(master);
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   377
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   378
    master->mode = EC_MASTER_MODE_ORPHANED;
481
d45c3111c0af Fixed workqueue cancelling.
Florian Pose <fp@igh-essen.com>
parents: 467
diff changeset
   379
    while (!cancel_delayed_work(&master->idle_work)) {
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   380
        flush_workqueue(master->workqueue);
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   381
    }
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   382
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   383
    ec_master_flush_sdo_requests(master);
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   384
}
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   385
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   386
/*****************************************************************************/
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   387
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   388
/**
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   389
*/
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   390
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   391
int ec_master_enter_operation_mode(ec_master_t *master /**< EtherCAT master */)
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   392
{
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   393
    ec_slave_t *slave;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   394
    ec_datagram_t *datagram = &master->fsm.datagram;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   395
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   396
    master->mode = EC_MASTER_MODE_OPERATION;
481
d45c3111c0af Fixed workqueue cancelling.
Florian Pose <fp@igh-essen.com>
parents: 467
diff changeset
   397
    while (!cancel_delayed_work(&master->idle_work)) {
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   398
        flush_workqueue(master->workqueue);
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   399
    }
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   400
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   401
    // wait for FSM datagram
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   402
    if (datagram->state == EC_DATAGRAM_SENT) {;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   403
        while (get_cycles() - datagram->cycles_sent
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   404
               < (cycles_t) EC_IO_TIMEOUT /* us */ * (cpu_khz / 1000)) {}
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   405
        ecrt_master_receive(master);
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   406
    }
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   407
456
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
   408
    // finish running master FSM
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
   409
    if (ec_fsm_running(&master->fsm)) {
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
   410
        while (ec_fsm_exec(&master->fsm)) {
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
   411
            ec_master_sync_io(master);
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
   412
        }
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   413
    }
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   414
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   415
    if (master->debug_level) {
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   416
        if (ec_master_measure_bus_time(master)) {
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   417
            EC_ERR("Bus time measuring failed!\n");
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   418
            goto out_idle;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   419
        }
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   420
    }
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   421
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   422
    // set initial slave states
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   423
    list_for_each_entry(slave, &master->slaves, list) {
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   424
        if (ec_slave_is_coupler(slave)) {
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   425
            ec_slave_request_state(slave, EC_SLAVE_STATE_OP);
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   426
        }
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   427
        else {
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   428
            ec_slave_request_state(slave, EC_SLAVE_STATE_PREOP);
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   429
        }
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   430
    }
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   431
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   432
    return 0;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   433
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   434
 out_idle:
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   435
    master->mode = EC_MASTER_MODE_IDLE;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   436
    queue_delayed_work(master->workqueue, &master->idle_work, 1);
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   437
    return -1;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   438
}
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   439
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   440
/*****************************************************************************/
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   441
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   442
/**
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   443
*/
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   444
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   445
void ec_master_leave_operation_mode(ec_master_t *master
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   446
                                    /**< EtherCAT master */)
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   447
{
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   448
    ec_slave_t *slave;
449
3caf8ff4d8a2 Moved functionality of ecrt_master_deactivate() (now deprecated) to ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 448
diff changeset
   449
    ec_fsm_t *fsm = &master->fsm;
3caf8ff4d8a2 Moved functionality of ecrt_master_deactivate() (now deprecated) to ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 448
diff changeset
   450
    ec_datagram_t *datagram = &master->fsm.datagram;
3caf8ff4d8a2 Moved functionality of ecrt_master_deactivate() (now deprecated) to ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 448
diff changeset
   451
3caf8ff4d8a2 Moved functionality of ecrt_master_deactivate() (now deprecated) to ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 448
diff changeset
   452
    // wait for FSM datagram
3caf8ff4d8a2 Moved functionality of ecrt_master_deactivate() (now deprecated) to ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 448
diff changeset
   453
    if (datagram->state == EC_DATAGRAM_SENT) {
500
f9e6d119463f Corrected error messages in get_slave().
Florian Pose <fp@igh-essen.com>
parents: 496
diff changeset
   454
        // active waiting
449
3caf8ff4d8a2 Moved functionality of ecrt_master_deactivate() (now deprecated) to ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 448
diff changeset
   455
        while (get_cycles() - datagram->cycles_sent
500
f9e6d119463f Corrected error messages in get_slave().
Florian Pose <fp@igh-essen.com>
parents: 496
diff changeset
   456
               < (cycles_t) EC_IO_TIMEOUT /* us */ * (cpu_khz / 1000));
449
3caf8ff4d8a2 Moved functionality of ecrt_master_deactivate() (now deprecated) to ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 448
diff changeset
   457
        ecrt_master_receive(master);
3caf8ff4d8a2 Moved functionality of ecrt_master_deactivate() (now deprecated) to ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 448
diff changeset
   458
    }
3caf8ff4d8a2 Moved functionality of ecrt_master_deactivate() (now deprecated) to ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 448
diff changeset
   459
456
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
   460
    // finish running master FSM
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
   461
    if (ec_fsm_running(fsm)) {
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
   462
        while (ec_fsm_exec(fsm)) {
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
   463
            ec_master_sync_io(master);
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
   464
        }
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
   465
    }
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
   466
449
3caf8ff4d8a2 Moved functionality of ecrt_master_deactivate() (now deprecated) to ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 448
diff changeset
   467
    // set states for all slaves
3caf8ff4d8a2 Moved functionality of ecrt_master_deactivate() (now deprecated) to ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 448
diff changeset
   468
    list_for_each_entry(slave, &master->slaves, list) {
467
2274de57ca84 Remove estimated sync manager sizes when leaving operation mode.
Florian Pose <fp@igh-essen.com>
parents: 462
diff changeset
   469
        ec_slave_reset(slave);
449
3caf8ff4d8a2 Moved functionality of ecrt_master_deactivate() (now deprecated) to ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 448
diff changeset
   470
        ec_slave_request_state(slave, EC_SLAVE_STATE_PREOP);
456
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
   471
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
   472
        fsm->slave = slave;
462
e6fac0c8bc92 New state in slaveconf FSM: Clear FMMU configurations after INIT.
Florian Pose <fp@igh-essen.com>
parents: 461
diff changeset
   473
        fsm->slave_state = ec_fsm_slaveconf_state_start;
456
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
   474
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
   475
        do {
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
   476
            fsm->slave_state(fsm);
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
   477
            ec_master_sync_io(master);
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
   478
        }
462
e6fac0c8bc92 New state in slaveconf FSM: Clear FMMU configurations after INIT.
Florian Pose <fp@igh-essen.com>
parents: 461
diff changeset
   479
        while (fsm->slave_state != ec_fsm_slave_state_end
e6fac0c8bc92 New state in slaveconf FSM: Clear FMMU configurations after INIT.
Florian Pose <fp@igh-essen.com>
parents: 461
diff changeset
   480
               && fsm->slave_state != ec_fsm_slave_state_error);
449
3caf8ff4d8a2 Moved functionality of ecrt_master_deactivate() (now deprecated) to ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 448
diff changeset
   481
    }
448
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   482
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   483
    ec_master_destroy_domains(master);
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   484
515
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   485
    master->request_cb = ec_master_request_cb;
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   486
    master->release_cb = ec_master_release_cb;
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   487
    master->cb_data = master;
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   488
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   489
    master->mode = EC_MASTER_MODE_IDLE;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   490
    queue_delayed_work(master->workqueue, &master->idle_work, 1);
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   491
}
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   492
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   493
/*****************************************************************************/
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   494
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   495
/**
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   496
   Places a datagram in the datagram queue.
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   497
*/
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   498
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   499
void ec_master_queue_datagram(ec_master_t *master, /**< EtherCAT master */
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   500
                              ec_datagram_t *datagram /**< datagram */
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   501
                              )
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   502
{
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   503
    ec_datagram_t *queued_datagram;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   504
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   505
    // check, if the datagram is already queued
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   506
    list_for_each_entry(queued_datagram, &master->datagram_queue, queue) {
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   507
        if (queued_datagram == datagram) {
332
e16093374dfd New statistic outputs to avoid blasting the logs.
Florian Pose <fp@igh-essen.com>
parents: 331
diff changeset
   508
            master->stats.skipped++;
e16093374dfd New statistic outputs to avoid blasting the logs.
Florian Pose <fp@igh-essen.com>
parents: 331
diff changeset
   509
            ec_master_output_stats(master);
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   510
            datagram->state = EC_DATAGRAM_QUEUED;
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   511
            return;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   512
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   513
    }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   514
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   515
    list_add_tail(&datagram->queue, &master->datagram_queue);
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   516
    datagram->state = EC_DATAGRAM_QUEUED;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   517
}
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
   Sends the datagrams in the queue.
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   523
   \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
   524
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   525
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   526
void ec_master_send_datagrams(ec_master_t *master /**< EtherCAT master */)
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   527
{
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   528
    ec_datagram_t *datagram, *next;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   529
    size_t datagram_size;
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   530
    uint8_t *frame_data, *cur_data;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   531
    void *follows_word;
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   532
    cycles_t cycles_start, cycles_sent, cycles_end;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   533
    unsigned long jiffies_sent;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   534
    unsigned int frame_count, more_datagrams_waiting;
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   535
    struct list_head sent_datagrams;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   536
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   537
    cycles_start = get_cycles();
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   538
    frame_count = 0;
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   539
    INIT_LIST_HEAD(&sent_datagrams);
208
b7797f8a813d command timeout, EoE processing with kernel timer.
Florian Pose <fp@igh-essen.com>
parents: 206
diff changeset
   540
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   541
    if (unlikely(master->debug_level > 1))
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   542
        EC_DBG("ec_master_send_datagrams\n");
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   543
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   544
    do {
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   545
        // fetch pointer to transmit socket buffer
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   546
        frame_data = ec_device_tx_data(master->device);
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   547
        cur_data = frame_data + EC_FRAME_HEADER_SIZE;
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   548
        follows_word = NULL;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   549
        more_datagrams_waiting = 0;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   550
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   551
        // fill current frame with datagrams
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   552
        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
   553
            if (datagram->state != EC_DATAGRAM_QUEUED) continue;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   554
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   555
            // does the current datagram fit in the frame?
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   556
            datagram_size = EC_DATAGRAM_HEADER_SIZE + datagram->data_size
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   557
                + EC_DATAGRAM_FOOTER_SIZE;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   558
            if (cur_data - frame_data + datagram_size > ETH_DATA_LEN) {
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   559
                more_datagrams_waiting = 1;
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   560
                break;
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   561
            }
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   562
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   563
            list_add_tail(&datagram->sent, &sent_datagrams);
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   564
            datagram->index = master->datagram_index++;
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   565
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   566
            if (unlikely(master->debug_level > 1))
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   567
                EC_DBG("adding datagram 0x%02X\n", datagram->index);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   568
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   569
            // set "datagram following" flag in previous frame
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   570
            if (follows_word)
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   571
                EC_WRITE_U16(follows_word, EC_READ_U16(follows_word) | 0x8000);
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   572
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   573
            // EtherCAT datagram header
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   574
            EC_WRITE_U8 (cur_data,     datagram->type);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   575
            EC_WRITE_U8 (cur_data + 1, datagram->index);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   576
            EC_WRITE_U32(cur_data + 2, datagram->address.logical);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   577
            EC_WRITE_U16(cur_data + 6, datagram->data_size & 0x7FF);
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   578
            EC_WRITE_U16(cur_data + 8, 0x0000);
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   579
            follows_word = cur_data + 6;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   580
            cur_data += EC_DATAGRAM_HEADER_SIZE;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   581
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   582
            // EtherCAT datagram data
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   583
            memcpy(cur_data, datagram->data, datagram->data_size);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   584
            cur_data += datagram->data_size;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   585
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   586
            // EtherCAT datagram footer
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   587
            EC_WRITE_U16(cur_data, 0x0000); // reset working counter
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   588
            cur_data += EC_DATAGRAM_FOOTER_SIZE;
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   589
        }
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   590
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   591
        if (list_empty(&sent_datagrams)) {
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   592
            if (unlikely(master->debug_level > 1))
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   593
                EC_DBG("nothing to send.\n");
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   594
            break;
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   595
        }
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   596
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   597
        // EtherCAT frame header
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   598
        EC_WRITE_U16(frame_data, ((cur_data - frame_data
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   599
                                   - EC_FRAME_HEADER_SIZE) & 0x7FF) | 0x1000);
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   600
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   601
        // pad frame
211
c684b6b7adaf Using kernel Ethernet constants.
Florian Pose <fp@igh-essen.com>
parents: 208
diff changeset
   602
        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
   603
            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
   604
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   605
        if (unlikely(master->debug_level > 1))
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   606
            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
   607
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   608
        // send frame
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   609
        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
   610
        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
   611
        jiffies_sent = jiffies;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   612
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   613
        // 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
   614
        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
   615
            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
   616
            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
   617
            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
   618
            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
   619
        }
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
   620
176
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   621
        frame_count++;
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   622
    }
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   623
    while (more_datagrams_waiting);
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   624
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   625
    if (unlikely(master->debug_level > 1)) {
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   626
        cycles_end = get_cycles();
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   627
        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
   628
               frame_count,
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   629
               (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
   630
    }
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   631
}
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   632
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   633
/*****************************************************************************/
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   634
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   635
/**
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   636
   Processes a received frame.
1ac0fc378b95 Sending of multiple frames
Florian Pose <fp@igh-essen.com>
parents: 173
diff changeset
   637
   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
   638
   \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
   639
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   640
331
17f58fe99511 Renamed ec_master_receive() to ec_master_receive_datagrams().
Florian Pose <fp@igh-essen.com>
parents: 330
diff changeset
   641
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
   642
                                 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
   643
                                 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
   644
                                 )
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   645
{
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   646
    size_t frame_size, data_size;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   647
    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
   648
    unsigned int cmd_follows, matched;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   649
    const uint8_t *cur_data;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   650
    ec_datagram_t *datagram;
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   651
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   652
    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
   653
        master->stats.corrupted++;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   654
        ec_master_output_stats(master);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   655
        return;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   656
    }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   657
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   658
    cur_data = frame_data;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   659
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   660
    // 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
   661
    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
   662
    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
   663
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   664
    if (unlikely(frame_size > size)) {
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   665
        master->stats.corrupted++;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   666
        ec_master_output_stats(master);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   667
        return;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   668
    }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   669
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   670
    cmd_follows = 1;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   671
    while (cmd_follows) {
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   672
        // process datagram header
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   673
        datagram_type  = EC_READ_U8 (cur_data);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   674
        datagram_index = EC_READ_U8 (cur_data + 1);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   675
        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
   676
        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
   677
        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
   678
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   679
        if (unlikely(cur_data - frame_data
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   680
                     + 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
   681
            master->stats.corrupted++;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   682
            ec_master_output_stats(master);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   683
            return;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   684
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   685
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   686
        // 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
   687
        matched = 0;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   688
        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
   689
            if (datagram->state == EC_DATAGRAM_SENT
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   690
                && datagram->type == datagram_type
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   691
                && datagram->index == datagram_index
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   692
                && 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
   693
                matched = 1;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   694
                break;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   695
            }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   696
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   697
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   698
        // 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
   699
        if (!matched) {
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   700
            master->stats.unmatched++;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   701
            ec_master_output_stats(master);
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   702
            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
   703
            continue;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   704
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   705
345
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
   706
        // copy received data into the datagram memory
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   707
        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
   708
        cur_data += data_size;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   709
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   710
        // set the datagram's working counter
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   711
        datagram->working_counter = EC_READ_U16(cur_data);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   712
        cur_data += EC_DATAGRAM_FOOTER_SIZE;
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   713
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   714
        // 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
   715
        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
   716
        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
   717
        datagram->jiffies_received = master->device->jiffies_isr;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   718
        list_del_init(&datagram->queue);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   719
    }
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   720
}
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   721
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   722
/*****************************************************************************/
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   723
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
   724
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   725
   Output statistics in cyclic mode.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   726
   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
   727
   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
   728
*/
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
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
   731
{
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   732
    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
   733
        master->stats.output_jiffies = jiffies;
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   734
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   735
        if (master->stats.timeouts) {
396
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   736
            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
   737
                    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
   738
            master->stats.timeouts = 0;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   739
        }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   740
        if (master->stats.corrupted) {
396
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   741
            EC_WARN("%i frame%s CORRUPTED!\n", master->stats.corrupted,
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   742
                    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
   743
            master->stats.corrupted = 0;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   744
        }
332
e16093374dfd New statistic outputs to avoid blasting the logs.
Florian Pose <fp@igh-essen.com>
parents: 331
diff changeset
   745
        if (master->stats.skipped) {
396
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   746
            EC_WARN("%i datagram%s SKIPPED!\n", master->stats.skipped,
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   747
                    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
   748
            master->stats.skipped = 0;
e16093374dfd New statistic outputs to avoid blasting the logs.
Florian Pose <fp@igh-essen.com>
parents: 331
diff changeset
   749
        }
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   750
        if (master->stats.unmatched) {
396
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   751
            EC_WARN("%i datagram%s UNMATCHED!\n", master->stats.unmatched,
189909f92019 Minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 382
diff changeset
   752
                    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
   753
            master->stats.unmatched = 0;
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
   754
        }
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   755
    }
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   756
}
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   757
68
a452700db994 Neue ASCII-Adressierung und Code-Dokumantation.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
   758
/*****************************************************************************/
a452700db994 Neue ASCII-Adressierung und Code-Dokumantation.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
   759
a452700db994 Neue ASCII-Adressierung und Code-Dokumantation.
Florian Pose <fp@igh-essen.com>
parents: 66
diff changeset
   760
/**
306
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   761
   Idle mode function.
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   762
*/
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   763
318
5f35e74124d1 Renamed ec_master_idle() to ec_master_idle_run().
Florian Pose <fp@igh-essen.com>
parents: 313
diff changeset
   764
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
   765
{
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   766
    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
   767
    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
   768
515
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   769
    cycles_start = get_cycles();
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   770
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   771
    // receive
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   772
    spin_lock_bh(&master->internal_lock);
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   773
    ecrt_master_receive(master);
515
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   774
    spin_unlock_bh(&master->internal_lock);
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   775
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
   776
    // execute master state machine
435
779a18d12e6c Removed state machine running() methods.
Florian Pose <fp@igh-essen.com>
parents: 430
diff changeset
   777
    ec_fsm_exec(&master->fsm);
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   778
515
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   779
    // send
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   780
    spin_lock_bh(&master->internal_lock);
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   781
    ecrt_master_send(master);
515
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
   782
    spin_unlock_bh(&master->internal_lock);
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
   783
    cycles_end = get_cycles();
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   784
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   785
    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
   786
        = (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
   787
    master->idle_cycle_time_pos++;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   788
    master->idle_cycle_time_pos %= HZ;
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   789
306
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   790
    if (master->mode == EC_MASTER_MODE_IDLE)
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   791
        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
   792
}
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   793
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   794
/*****************************************************************************/
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   795
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   796
/**
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   797
   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
   798
   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
   799
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   800
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   801
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
   802
                    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
   803
                    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
   804
                    )
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   805
{
275
ba51285d4ef6 Variable-sized data fields, BK1120.
Florian Pose <fp@igh-essen.com>
parents: 274
diff changeset
   806
    size_t sync_size;
ba51285d4ef6 Variable-sized data fields, BK1120.
Florian Pose <fp@igh-essen.com>
parents: 274
diff changeset
   807
ba51285d4ef6 Variable-sized data fields, BK1120.
Florian Pose <fp@igh-essen.com>
parents: 274
diff changeset
   808
    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
   809
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   810
    if (slave->master->debug_level) {
414
60cd2fcc71ee Added enable bit to sync manager debugging.
Florian Pose <fp@igh-essen.com>
parents: 413
diff changeset
   811
        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
   812
               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
   813
               sync_size, sync->control_register, sync->enable);
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   814
    }
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   815
136
a03a684cac89 Dynamische Mailbox-Kommunikation, auch mit unbekannten Slaves.
Florian Pose <fp@igh-essen.com>
parents: 135
diff changeset
   816
    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
   817
    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
   818
    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
   819
    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
   820
    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
   821
}
a03a684cac89 Dynamische Mailbox-Kommunikation, auch mit unbekannten Slaves.
Florian Pose <fp@igh-essen.com>
parents: 135
diff changeset
   822
a03a684cac89 Dynamische Mailbox-Kommunikation, auch mit unbekannten Slaves.
Florian Pose <fp@igh-essen.com>
parents: 135
diff changeset
   823
/*****************************************************************************/
a03a684cac89 Dynamische Mailbox-Kommunikation, auch mit unbekannten Slaves.
Florian Pose <fp@igh-essen.com>
parents: 135
diff changeset
   824
a03a684cac89 Dynamische Mailbox-Kommunikation, auch mit unbekannten Slaves.
Florian Pose <fp@igh-essen.com>
parents: 135
diff changeset
   825
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   826
   Initializes an FMMU configuration page.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   827
   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
   828
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   829
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   830
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
   831
                    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
   832
                    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
   833
                    )
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
   834
{
275
ba51285d4ef6 Variable-sized data fields, BK1120.
Florian Pose <fp@igh-essen.com>
parents: 274
diff changeset
   835
    size_t sync_size;
ba51285d4ef6 Variable-sized data fields, BK1120.
Florian Pose <fp@igh-essen.com>
parents: 274
diff changeset
   836
ba51285d4ef6 Variable-sized data fields, BK1120.
Florian Pose <fp@igh-essen.com>
parents: 274
diff changeset
   837
    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
   838
412
2e50ddc3e777 Added FMMU debugging.
Florian Pose <fp@igh-essen.com>
parents: 408
diff changeset
   839
    if (slave->master->debug_level) {
413
a7144fdf14f5 Improved SM and FMMU debugging output.
Florian Pose <fp@igh-essen.com>
parents: 412
diff changeset
   840
        EC_DBG("Slave %3i, FMMU %2i:"
a7144fdf14f5 Improved SM and FMMU debugging output.
Florian Pose <fp@igh-essen.com>
parents: 412
diff changeset
   841
               " 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
   842
               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
   843
               sync_size, fmmu->sync->physical_start_address,
a7144fdf14f5 Improved SM and FMMU debugging output.
Florian Pose <fp@igh-essen.com>
parents: 412
diff changeset
   844
               ((fmmu->sync->control_register & 0x04) ? "out" : "in"));
412
2e50ddc3e777 Added FMMU debugging.
Florian Pose <fp@igh-essen.com>
parents: 408
diff changeset
   845
    }
2e50ddc3e777 Added FMMU debugging.
Florian Pose <fp@igh-essen.com>
parents: 408
diff changeset
   846
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
   847
    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
   848
    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
   849
    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
   850
    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
   851
    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
   852
    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
   853
    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
   854
                             ? 0x02 : 0x01));
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   855
    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
   856
    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
   857
}
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   858
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   859
/*****************************************************************************/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   860
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   861
/**
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   862
   Formats master information for SysFS read access.
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   863
   \return number of bytes written
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   864
*/
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   865
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   866
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
   867
                       char *buffer /**< memory to store data */
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   868
                       )
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   869
{
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   870
    off_t off = 0;
336
360e5287c888 EoE rate statistics.
Florian Pose <fp@igh-essen.com>
parents: 335
diff changeset
   871
    ec_eoe_t *eoe;
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   872
    uint32_t cur, sum, min, max, pos, i;
496
b2aee2241952 Fixed lost frames display bug when no frames were sent.
Florian Pose <fp@igh-essen.com>
parents: 495
diff changeset
   873
    unsigned int frames_lost;
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   874
444
31223539fc00 Compiler flag -DSVNREV only for module.c to avoid unnecessary recompiling.
Florian Pose <fp@igh-essen.com>
parents: 441
diff changeset
   875
    off += sprintf(buffer + off, "\nVersion: %s", ec_master_version_str);
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   876
    off += sprintf(buffer + off, "\nMode: ");
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   877
    switch (master->mode) {
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   878
        case EC_MASTER_MODE_ORPHANED:
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   879
            off += sprintf(buffer + off, "ORPHANED");
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   880
            break;
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   881
        case EC_MASTER_MODE_IDLE:
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   882
            off += sprintf(buffer + off, "IDLE");
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   883
            break;
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   884
        case EC_MASTER_MODE_OPERATION:
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   885
            off += sprintf(buffer + off, "OPERATION");
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   886
            break;
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   887
    }
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   888
339
a3a4ee854bd8 Minor changes.
Florian Pose <fp@igh-essen.com>
parents: 337
diff changeset
   889
    off += sprintf(buffer + off, "\nSlaves: %i\n",
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   890
                   master->slave_count);
493
b17c95eac6b2 Added frame counter.
Florian Pose <fp@igh-essen.com>
parents: 492
diff changeset
   891
    off += sprintf(buffer + off, "\nDevice:\n");
b17c95eac6b2 Added frame counter.
Florian Pose <fp@igh-essen.com>
parents: 492
diff changeset
   892
    off += sprintf(buffer + off, "  Frames sent:     %u\n",
b17c95eac6b2 Added frame counter.
Florian Pose <fp@igh-essen.com>
parents: 492
diff changeset
   893
		   master->device->tx_count);
b17c95eac6b2 Added frame counter.
Florian Pose <fp@igh-essen.com>
parents: 492
diff changeset
   894
    off += sprintf(buffer + off, "  Frames received: %u\n",
b17c95eac6b2 Added frame counter.
Florian Pose <fp@igh-essen.com>
parents: 492
diff changeset
   895
		   master->device->rx_count);
496
b2aee2241952 Fixed lost frames display bug when no frames were sent.
Florian Pose <fp@igh-essen.com>
parents: 495
diff changeset
   896
    frames_lost = master->device->tx_count - master->device->rx_count;
b2aee2241952 Fixed lost frames display bug when no frames were sent.
Florian Pose <fp@igh-essen.com>
parents: 495
diff changeset
   897
    if (frames_lost) frames_lost--;
b2aee2241952 Fixed lost frames display bug when no frames were sent.
Florian Pose <fp@igh-essen.com>
parents: 495
diff changeset
   898
    off += sprintf(buffer + off, "  Frames lost:     %u\n", frames_lost);
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   899
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   900
    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
   901
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   902
    sum = 0;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   903
    min = 0xFFFFFFFF;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   904
    max = 0;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   905
    pos = master->idle_cycle_time_pos;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   906
    for (i = 0; i < HZ; i++) {
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   907
        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
   908
        sum += cur;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   909
        if (cur < min) min = cur;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   910
        if (cur > max) max = cur;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   911
    }
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   912
    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
   913
                   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
   914
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   915
    sum = 0;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   916
    min = 0xFFFFFFFF;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   917
    max = 0;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   918
    pos = master->eoe_cycle_time_pos;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   919
    for (i = 0; i < HZ; i++) {
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   920
        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
   921
        sum += cur;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   922
        if (cur < min) min = cur;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   923
        if (cur > max) max = cur;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   924
    }
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
   925
    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
   926
                   min, sum / HZ, (sum * 100 / HZ) % 100, max);
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   927
336
360e5287c888 EoE rate statistics.
Florian Pose <fp@igh-essen.com>
parents: 335
diff changeset
   928
    if (!list_empty(&master->eoe_handlers))
339
a3a4ee854bd8 Minor changes.
Florian Pose <fp@igh-essen.com>
parents: 337
diff changeset
   929
        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
   930
    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
   931
        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
   932
                       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
   933
                       ((eoe->rx_rate + eoe->tx_rate) / 8 + 512) / 1024);
336
360e5287c888 EoE rate statistics.
Florian Pose <fp@igh-essen.com>
parents: 335
diff changeset
   934
    }
360e5287c888 EoE rate statistics.
Florian Pose <fp@igh-essen.com>
parents: 335
diff changeset
   935
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   936
    off += sprintf(buffer + off, "\n");
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   937
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   938
    return off;
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   939
}
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   940
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   941
/*****************************************************************************/
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   942
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   943
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   944
   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
   945
   \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
   946
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   947
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   948
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
   949
                                 struct attribute *attr, /**< attribute */
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   950
                                 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
   951
                                 )
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   952
{
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   953
    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
   954
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   955
    if (attr == &attr_info) {
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
   956
        return ec_master_info(master, buffer);
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 188
diff changeset
   957
    }
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   958
    else if (attr == &attr_debug_level) {
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   959
        return sprintf(buffer, "%i\n", master->debug_level);
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
   960
    }
313
ba324d82dfd3 Reading of eeprom_write_enable.
Florian Pose <fp@igh-essen.com>
parents: 306
diff changeset
   961
    else if (attr == &attr_eeprom_write_enable) {
ba324d82dfd3 Reading of eeprom_write_enable.
Florian Pose <fp@igh-essen.com>
parents: 306
diff changeset
   962
        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
   963
    }
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   964
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   965
    return 0;
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   966
}
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   967
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   968
/*****************************************************************************/
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   969
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
   970
/**
268
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   971
   Formats attribute data for SysFS write access.
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   972
   \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
   973
*/
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   974
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   975
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
   976
                                  struct attribute *attr, /**< attribute */
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   977
                                  const char *buffer, /**< memory with data */
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   978
                                  size_t size /**< size of data to store */
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   979
                                  )
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   980
{
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   981
    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
   982
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   983
    if (attr == &attr_eeprom_write_enable) {
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   984
        if (!strcmp(buffer, "1\n")) {
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   985
            master->eeprom_write_enable = 1;
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   986
            EC_INFO("Slave EEPROM writing enabled.\n");
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   987
            return size;
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   988
        }
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   989
        else if (!strcmp(buffer, "0\n")) {
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   990
            master->eeprom_write_enable = 0;
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   991
            EC_INFO("Slave EEPROM writing disabled.\n");
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   992
            return size;
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   993
        }
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   994
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   995
        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
   996
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   997
        if (master->eeprom_write_enable) {
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   998
            master->eeprom_write_enable = 0;
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
   999
            EC_INFO("Slave EEPROM writing disabled.\n");
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1000
        }
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1001
    }
303
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1002
    else if (attr == &attr_debug_level) {
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1003
        if (!strcmp(buffer, "0\n")) {
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1004
            master->debug_level = 0;
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1005
        }
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1006
        else if (!strcmp(buffer, "1\n")) {
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1007
            master->debug_level = 1;
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1008
        }
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1009
        else if (!strcmp(buffer, "2\n")) {
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1010
            master->debug_level = 2;
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1011
        }
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1012
        else {
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1013
            EC_ERR("Invalid debug level value!\n");
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1014
            return -EINVAL;
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1015
        }
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1016
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1017
        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
  1018
        return size;
03fd45bc13ef SysFS entry for debug level.
Florian Pose <fp@igh-essen.com>
parents: 298
diff changeset
  1019
    }
268
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1020
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1021
    return -EINVAL;
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1022
}
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1023
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1024
/*****************************************************************************/
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1025
4f9c149fb71f EEPROM write enable SysFS entry.
Florian Pose <fp@igh-essen.com>
parents: 261
diff changeset
  1026
/**
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
  1027
   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
  1028
*/
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1029
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1030
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
  1031
{
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1032
    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
  1033
    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
  1034
    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
  1035
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
  1036
    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
  1037
ddb48b173680 Fixed bug with ec_master_eoe_start() does new coupling all the time.
Florian Pose <fp@igh-essen.com>
parents: 325
diff changeset
  1038
    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
  1039
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1040
    // 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
  1041
    // 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
  1042
    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
  1043
        && (!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
  1044
        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
  1045
        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
  1046
    }
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1047
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1048
    // 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
  1049
    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
  1050
        eoe->slave = NULL;
325
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
    // 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
  1053
    coupled = 0;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1054
    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
  1055
        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
  1056
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1057
        found = 0;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1058
        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
  1059
            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
  1060
            eoe->slave = slave;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1061
            found = 1;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1062
            coupled++;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1063
            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
  1064
                    eoe->dev->name, slave->ring_position);
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
  1065
            if (eoe->opened)
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
  1066
                ec_slave_request_state(slave, EC_SLAVE_STATE_OP);
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
  1067
            else
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
  1068
                ec_slave_request_state(slave, EC_SLAVE_STATE_PREOP);
253
6dd3e49dbb85 Fixed bug with coupling multiple EoE handlers.
Florian Pose <fp@igh-essen.com>
parents: 252
diff changeset
  1069
            break;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1070
        }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1071
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1072
        if (!found) {
461
b9eda9235173 Print certain warnings only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 459
diff changeset
  1073
            if (master->debug_level)
b9eda9235173 Print certain warnings only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 459
diff changeset
  1074
                EC_WARN("No EoE handler for slave %i!\n",
b9eda9235173 Print certain warnings only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 459
diff changeset
  1075
                        slave->ring_position);
b9eda9235173 Print certain warnings only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 459
diff changeset
  1076
            ec_slave_request_state(slave, EC_SLAVE_STATE_PREOP);
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1077
        }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1078
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1079
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1080
    if (!coupled) {
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1081
        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
  1082
        return;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1083
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1084
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1085
    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
  1086
    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
  1087
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1088
    // start EoE processing
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1089
    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
  1090
    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
  1091
    return;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1092
}
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1093
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1094
/*****************************************************************************/
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1095
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1096
/**
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1097
   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
  1098
*/
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1099
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1100
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
  1101
{
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1102
    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
  1103
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
  1104
    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
  1105
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1106
    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
  1107
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1108
    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
  1109
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1110
    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
  1111
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1112
    // 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
  1113
    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
  1114
        if (eoe->slave) {
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
  1115
            ec_slave_request_state(eoe->slave, EC_SLAVE_STATE_PREOP);
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1116
            eoe->slave = NULL;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1117
        }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1118
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1119
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1120
    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
  1121
}
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1122
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1123
/*****************************************************************************/
441
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1124
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1125
/**
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1126
   Does the Ethernet-over-EtherCAT processing.
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1127
*/
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1128
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1129
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
  1130
{
60a10d85c20b Prepared EoE processing with workqueue.
Florian Pose <fp@igh-essen.com>
parents: 204
diff changeset
  1131
    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
  1132
    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
  1133
    unsigned int active = 0;
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1134
    cycles_t cycles_start, cycles_end;
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1135
    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
  1136
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1137
    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
  1138
        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
  1139
    }
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1140
    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
  1141
515
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
  1142
    // receive datagrams
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
  1143
    if (master->request_cb(master->cb_data)) goto queue_timer;
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1144
    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
  1145
    ecrt_master_receive(master);
515
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
  1146
    master->release_cb(master->cb_data);
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
  1147
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
  1148
    // actual EoE processing
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1149
    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
  1150
        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
  1151
    }
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1152
515
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
  1153
    // send datagrams
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
  1154
    if (master->request_cb(master->cb_data)) goto queue_timer;
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1155
    ecrt_master_send(master);
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1156
    cycles_end = get_cycles();
515
37aa1bfa0dee Internal locking callbacks, improved locking.
Florian Pose <fp@igh-essen.com>
parents: 511
diff changeset
  1157
    master->release_cb(master->cb_data);
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1158
335
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1159
    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
  1160
        = (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
  1161
    master->eoe_cycle_time_pos++;
1e37c856b74e Better EoE and Idle timing measurement.
Florian Pose <fp@igh-essen.com>
parents: 334
diff changeset
  1162
    master->eoe_cycle_time_pos %= HZ;
334
2be97e069602 Master information, timing.
Florian Pose <fp@igh-essen.com>
parents: 332
diff changeset
  1163
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 246
diff changeset
  1164
 queue_timer:
344
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1165
    restart_jiffies = HZ / EC_EOE_FREQUENCY;
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1166
    if (!restart_jiffies) restart_jiffies = 1;
5d8281f1aa2a Replaced longer cycle timestamps with jiffies.
Florian Pose <fp@igh-essen.com>
parents: 341
diff changeset
  1167
    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
  1168
    add_timer(&master->eoe_timer);
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1169
}
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1170
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1171
/*****************************************************************************/
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1172
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1173
/**
441
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1174
*/
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1175
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1176
void ec_master_check_sdo(unsigned long data /**< master pointer */)
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1177
{
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1178
    ec_master_t *master = (ec_master_t *) data;
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1179
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1180
    if (master->sdo_seq_master != master->sdo_seq_user) {
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1181
        master->sdo_timer.expires = jiffies + 10;
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1182
        add_timer(&master->sdo_timer);
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1183
        return;
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1184
    }
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1185
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1186
    // master has processed the request
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1187
    complete(&master->sdo_complete);
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1188
}
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1189
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1190
/*****************************************************************************/
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1191
ffa13db95e10 SDO uploading via Sysfs without master FSM calling wake_up().
Florian Pose <fp@igh-essen.com>
parents: 435
diff changeset
  1192
/**
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1193
   Calculates Advanced Position Adresses.
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1194
*/
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1195
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1196
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
  1197
{
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1198
    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
  1199
    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
  1200
    ec_slave_t *slave;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1201
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1202
    coupler_index = 0;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1203
    reverse_coupler_index = 0xFFFF;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1204
    current_coupler_index = 0x0000;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1205
    coupler_subindex = 0;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1206
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1207
    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
  1208
        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
  1209
            if (slave->sii_alias)
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1210
                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
  1211
            else
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1212
                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
  1213
            coupler_subindex = 0;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1214
        }
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1215
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1216
        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
  1217
        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
  1218
        coupler_subindex++;
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1219
    }
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1220
}
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1221
330
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1222
/*****************************************************************************/
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1223
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1224
/**
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1225
   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
  1226
   \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
  1227
*/
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
  1228
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
  1229
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
  1230
{
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1231
    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
  1232
    uint32_t cur, sum, min, max, i;
330
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1233
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1234
    ec_datagram_init(&datagram);
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1235
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1236
    if (ec_datagram_brd(&datagram, 0x130, 2)) {
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1237
        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
  1238
        ec_datagram_clear(&datagram);
377
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
  1239
        return -1;
330
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1240
    }
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1241
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1242
    ecrt_master_receive(master);
330
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1243
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1244
    sum = 0;
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1245
    min = 0xFFFFFFFF;
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1246
    max = 0;
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1247
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1248
    for (i = 0; i < 100; i++) {
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1249
        ec_master_queue_datagram(master, &datagram);
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1250
        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
  1251
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1252
        while (1) {
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1253
            ecrt_master_receive(master);
330
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1254
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1255
            if (datagram.state == EC_DATAGRAM_RECEIVED) {
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1256
                break;
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1257
            }
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1258
            else if (datagram.state == EC_DATAGRAM_ERROR) {
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1259
                EC_WARN("Failed to measure bus time.\n");
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1260
                goto error;
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1261
            }
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1262
            else if (datagram.state == EC_DATAGRAM_TIMED_OUT) {
330
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1263
                EC_WARN("Timeout while measuring bus time.\n");
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1264
                goto error;
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1265
            }
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1266
        }
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1267
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1268
        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
  1269
                              - 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
  1270
        sum += cur;
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1271
        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
  1272
        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
  1273
    }
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1274
459
f0da52cf6b5b Print certain logs only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 456
diff changeset
  1275
    EC_DBG("Bus time is (min/avg/max) %u / %u.%u / %u us.\n",
f0da52cf6b5b Print certain logs only at debug_level.
Florian Pose <fp@igh-essen.com>
parents: 456
diff changeset
  1276
           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
  1277
    ec_datagram_clear(&datagram);
377
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
  1278
    return 0;
330
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1279
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1280
  error:
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1281
    ec_datagram_clear(&datagram);
377
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
  1282
    return -1;
330
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1283
}
b984763cecc2 Measure bus time.
Florian Pose <fp@igh-essen.com>
parents: 326
diff changeset
  1284
495
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1285
/*****************************************************************************/
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1286
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1287
/**
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1288
   Prepares synchronous IO.
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1289
   Queues all domain datagrams and sends them. Then waits a certain time, so
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1290
   that ecrt_master_receive() can be called securely.
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1291
*/
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1292
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1293
void ec_master_prepare(ec_master_t *master /**< EtherCAT master */)
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1294
{
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1295
    ec_domain_t *domain;
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1296
    cycles_t cycles_start, cycles_end, cycles_timeout;
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1297
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1298
    // queue datagrams of all domains
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1299
    list_for_each_entry(domain, &master->domains, list)
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1300
        ecrt_domain_queue(domain);
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1301
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1302
    ecrt_master_send(master);
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1303
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1304
    cycles_start = get_cycles();
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1305
    cycles_timeout = (cycles_t) EC_IO_TIMEOUT /* us */ * (cpu_khz / 1000);
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1306
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1307
    // active waiting
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1308
    while (1) {
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1309
        udelay(100);
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1310
        cycles_end = get_cycles();
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1311
        if (cycles_end - cycles_start >= cycles_timeout) break;
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1312
    }
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1313
}
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1314
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
  1315
/******************************************************************************
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1316
 *  Realtime interface
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
  1317
 *****************************************************************************/
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
  1318
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
  1319
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1320
   Creates a domain.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1321
   \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
  1322
   \ingroup RealtimeInterface
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1323
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1324
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1325
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
  1326
{
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1327
    ec_domain_t *domain, *last_domain;
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1328
    unsigned int index;
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1329
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1330
    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
  1331
        EC_ERR("Error allocating domain memory!\n");
484
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 483
diff changeset
  1332
        return NULL;
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1333
    }
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1334
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1335
    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
  1336
    else {
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1337
        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
  1338
        index = last_domain->index + 1;
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1339
    }
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1340
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1341
    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
  1342
        EC_ERR("Failed to init domain.\n");
484
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 483
diff changeset
  1343
        return NULL;
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1344
    }
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 176
diff changeset
  1345
95
0066de7a456d Domains als Liste verwaltet.
Florian Pose <fp@igh-essen.com>
parents: 94
diff changeset
  1346
    list_add_tail(&domain->list, &master->domains);
484
9fde4a17b820 kobject_add() in constructors.
Florian Pose <fp@igh-essen.com>
parents: 483
diff changeset
  1347
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1348
    return domain;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1349
}
61
cd014255f94f register_slave_list() und Bugfix in deactivate_slaves()
Florian Pose <fp@igh-essen.com>
parents: 58
diff changeset
  1350
74
9bf603942791 Neues Slave-Interface, CRC-Pr?fung und mehrfaches Scannen nun ungef?hrlich.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
  1351
/*****************************************************************************/
9bf603942791 Neues Slave-Interface, CRC-Pr?fung und mehrfaches Scannen nun ungef?hrlich.
Florian Pose <fp@igh-essen.com>
parents: 73
diff changeset
  1352
61
cd014255f94f register_slave_list() und Bugfix in deactivate_slaves()
Florian Pose <fp@igh-essen.com>
parents: 58
diff changeset
  1353
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1354
   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
  1355
   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
  1356
   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
  1357
   is operational.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1358
   \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
  1359
   \ingroup RealtimeInterface
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1360
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1361
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1362
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
  1363
{
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1364
    uint32_t domain_offset;
84
b4ae98855cea printk durch Makros ersetzt.
Florian Pose <fp@igh-essen.com>
parents: 82
diff changeset
  1365
    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
  1366
    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
  1367
    ec_slave_t *slave;
144
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
  1368
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1369
    // allocate all domains
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1370
    domain_offset = 0;
95
0066de7a456d Domains als Liste verwaltet.
Florian Pose <fp@igh-essen.com>
parents: 94
diff changeset
  1371
    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
  1372
        if (ec_domain_alloc(domain, domain_offset)) {
95
0066de7a456d Domains als Liste verwaltet.
Florian Pose <fp@igh-essen.com>
parents: 94
diff changeset
  1373
            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
  1374
            return -1;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1375
        }
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1376
        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
  1377
    }
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1378
456
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
  1379
    // configure all slaves
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
  1380
    list_for_each_entry(slave, &master->slaves, list) {
456
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
  1381
        fsm->slave = slave;
462
e6fac0c8bc92 New state in slaveconf FSM: Clear FMMU configurations after INIT.
Florian Pose <fp@igh-essen.com>
parents: 461
diff changeset
  1382
        fsm->slave_state = ec_fsm_slaveconf_state_start;
456
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
  1383
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
  1384
        do {
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
  1385
            fsm->slave_state(fsm);
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
  1386
            ec_master_sync_io(master);
dea14706efc2 Explicit use of slave configuration FSM in ecrt_master_activate() and ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 449
diff changeset
  1387
        }
462
e6fac0c8bc92 New state in slaveconf FSM: Clear FMMU configurations after INIT.
Florian Pose <fp@igh-essen.com>
parents: 461
diff changeset
  1388
        while (fsm->slave_state != ec_fsm_slave_state_end
e6fac0c8bc92 New state in slaveconf FSM: Clear FMMU configurations after INIT.
Florian Pose <fp@igh-essen.com>
parents: 461
diff changeset
  1389
               && fsm->slave_state != ec_fsm_slave_state_error);
e6fac0c8bc92 New state in slaveconf FSM: Clear FMMU configurations after INIT.
Florian Pose <fp@igh-essen.com>
parents: 461
diff changeset
  1390
e6fac0c8bc92 New state in slaveconf FSM: Clear FMMU configurations after INIT.
Florian Pose <fp@igh-essen.com>
parents: 461
diff changeset
  1391
        if (fsm->slave_state == ec_fsm_slave_state_error) {
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
  1392
            EC_ERR("Failed to configure slave %i!\n", slave->ring_position);
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
  1393
            return -1;
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
  1394
        }
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
  1395
    }
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1396
495
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1397
    ec_master_prepare(master); // prepare asynchronous IO
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1398
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1399
    return 0;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1400
}
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1401
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1402
/*****************************************************************************/
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1403
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 68
diff changeset
  1404
/**
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1405
   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
  1406
*/
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1407
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1408
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
  1409
{
345
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
  1410
    ec_datagram_t *datagram;
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
  1411
    unsigned int datagrams_waiting;
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1412
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1413
    // send datagrams
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1414
    ecrt_master_send(master);
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 95
diff changeset
  1415
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1416
    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
  1417
        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
  1418
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
  1419
        // 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
  1420
        datagrams_waiting = 0;
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
  1421
        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
  1422
            datagrams_waiting++;
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
  1423
        }
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
  1424
beb0a77d73c0 Improved datagram reception in sync_io and frame dequeuing.
Florian Pose <fp@igh-essen.com>
parents: 344
diff changeset
  1425
        // 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
  1426
        if (!datagrams_waiting) break;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1427
    }
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1428
}
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1429
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1430
/*****************************************************************************/
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1431
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1432
/**
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1433
   Asynchronous sending of datagrams.
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1434
   \ingroup RealtimeInterface
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1435
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1436
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1437
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
  1438
{
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1439
    ec_datagram_t *datagram, *n;
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1440
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1441
    if (unlikely(!master->device->link_state)) {
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1442
        // link is down, no datagram can be sent
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1443
        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
  1444
            datagram->state = EC_DATAGRAM_ERROR;
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1445
            list_del_init(&datagram->queue);
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1446
        }
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1447
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1448
        // query link state
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1449
        ec_device_call_isr(master->device);
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1450
        return;
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1451
    }
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1452
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1453
    // send frames
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1454
    ec_master_send_datagrams(master);
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1455
}
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1456
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1457
/*****************************************************************************/
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1458
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1459
/**
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1460
   Asynchronous receiving of datagrams.
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1461
   \ingroup RealtimeInterface
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1462
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1463
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1464
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
  1465
{
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1466
    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
  1467
    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
  1468
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1469
    // receive datagrams
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1470
    ec_device_call_isr(master->device);
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1471
398
ff37601361a8 Fixed serveral races while starting up under high CPU load.
Florian Pose <fp@igh-essen.com>
parents: 397
diff changeset
  1472
    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
  1473
293
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1474
    // dequeue all datagrams that timed out
14aeb79aa992 Renamed command structure to datagram.
Florian Pose <fp@igh-essen.com>
parents: 291
diff changeset
  1475
    list_for_each_entry_safe(datagram, next, &master->datagram_queue, queue) {
495
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1476
        if (datagram->state != EC_DATAGRAM_SENT) continue;
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1477
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1478
        if (master->device->cycles_isr - datagram->cycles_sent
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1479
            > cycles_timeout) {
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1480
            list_del_init(&datagram->queue);
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1481
            datagram->state = EC_DATAGRAM_TIMED_OUT;
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1482
            master->stats.timeouts++;
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1483
            ec_master_output_stats(master);
88c597598bbc Interface changes for version 1.2, see NEWS file.
Florian Pose <fp@igh-essen.com>
parents: 493
diff changeset
  1484
        }
113
a3dbd6bc8fce Do-Schleifen ersetzt.
Florian Pose <fp@igh-essen.com>
parents: 111
diff changeset
  1485
    }
106
d6679c77ad3f ecrt_master_prepare_async_io() hinzugef?gt.
Florian Pose <fp@igh-essen.com>
parents: 104
diff changeset
  1486
}
d6679c77ad3f ecrt_master_prepare_async_io() hinzugef?gt.
Florian Pose <fp@igh-essen.com>
parents: 104
diff changeset
  1487
d6679c77ad3f ecrt_master_prepare_async_io() hinzugef?gt.
Florian Pose <fp@igh-essen.com>
parents: 104
diff changeset
  1488
/*****************************************************************************/
d6679c77ad3f ecrt_master_prepare_async_io() hinzugef?gt.
Florian Pose <fp@igh-essen.com>
parents: 104
diff changeset
  1489
d6679c77ad3f ecrt_master_prepare_async_io() hinzugef?gt.
Florian Pose <fp@igh-essen.com>
parents: 104
diff changeset
  1490
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1491
   Does all cyclic master work.
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1492
   \ingroup RealtimeInterface
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1493
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1494
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1495
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
  1496
{
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
  1497
    // output statistics
144
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
  1498
    ec_master_output_stats(master);
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
  1499
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
  1500
    // execute master state machine in a loop
435
779a18d12e6c Removed state machine running() methods.
Florian Pose <fp@igh-essen.com>
parents: 430
diff changeset
  1501
    ec_fsm_exec(&master->fsm);
144
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
  1502
}
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
  1503
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
  1504
/*****************************************************************************/
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
  1505
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
  1506
/**
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1507
   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
  1508
   These are the valid addressing schemes:
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1509
   - \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
  1510
   - \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
  1511
   - \a "#X" = the slave with alias X,
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1512
   - \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
  1513
   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
  1514
   notation (with respective prefix).
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1515
   \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
  1516
   \ingroup RealtimeInterface
197
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
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
  1520
                                  const char *address /**< address string */
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1521
                                  )
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1522
{
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1523
    unsigned long first, second;
502
5f4a2fd3b180 Fixed warnings in master.c.
Florian Pose <fp@igh-essen.com>
parents: 500
diff changeset
  1524
    char *remainder, *remainder2;
5f4a2fd3b180 Fixed warnings in master.c.
Florian Pose <fp@igh-essen.com>
parents: 500
diff changeset
  1525
    const char *original;
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1526
    unsigned int alias_requested, alias_found;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1527
    ec_slave_t *alias_slave = NULL, *slave;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1528
500
f9e6d119463f Corrected error messages in get_slave().
Florian Pose <fp@igh-essen.com>
parents: 496
diff changeset
  1529
    original = address;
f9e6d119463f Corrected error messages in get_slave().
Florian Pose <fp@igh-essen.com>
parents: 496
diff changeset
  1530
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1531
    if (!address || address[0] == 0) return NULL;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1532
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1533
    alias_requested = 0;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1534
    if (address[0] == '#') {
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1535
        alias_requested = 1;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1536
        address++;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1537
    }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1538
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1539
    first = simple_strtoul(address, &remainder, 0);
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1540
    if (remainder == address) {
500
f9e6d119463f Corrected error messages in get_slave().
Florian Pose <fp@igh-essen.com>
parents: 496
diff changeset
  1541
        EC_ERR("Slave address \"%s\" - First number empty!\n", original);
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1542
        return NULL;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1543
    }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1544
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1545
    if (alias_requested) {
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1546
        alias_found = 0;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1547
        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
  1548
            if (alias_slave->sii_alias == first) {
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1549
                alias_found = 1;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1550
                break;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1551
            }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1552
        }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1553
        if (!alias_found) {
500
f9e6d119463f Corrected error messages in get_slave().
Florian Pose <fp@igh-essen.com>
parents: 496
diff changeset
  1554
            EC_ERR("Slave address \"%s\" - Alias not found!\n", original);
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1555
            return NULL;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1556
        }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1557
    }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1558
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1559
    if (!remainder[0]) { // absolute position
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1560
        if (alias_requested) {
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1561
            return alias_slave;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1562
        }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1563
        else {
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1564
            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
  1565
                if (slave->ring_position == first) return slave;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1566
            }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1567
            EC_ERR("Slave address \"%s\" - Absolute position invalid!\n",
500
f9e6d119463f Corrected error messages in get_slave().
Florian Pose <fp@igh-essen.com>
parents: 496
diff changeset
  1568
                   original);
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1569
        }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1570
    }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1571
    else if (remainder[0] == ':') { // field position
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1572
        remainder++;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1573
        second = simple_strtoul(remainder, &remainder2, 0);
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1574
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1575
        if (remainder2 == remainder) {
500
f9e6d119463f Corrected error messages in get_slave().
Florian Pose <fp@igh-essen.com>
parents: 496
diff changeset
  1576
            EC_ERR("Slave address \"%s\" - Second number empty!\n", original);
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1577
            return NULL;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1578
        }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1579
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1580
        if (remainder2[0]) {
500
f9e6d119463f Corrected error messages in get_slave().
Florian Pose <fp@igh-essen.com>
parents: 496
diff changeset
  1581
            EC_ERR("Slave address \"%s\" - Invalid trailer!\n", original);
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1582
            return NULL;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1583
        }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1584
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1585
        if (alias_requested) {
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1586
            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
  1587
                EC_ERR("Slave address \"%s\": Alias slave must be bus coupler"
500
f9e6d119463f Corrected error messages in get_slave().
Florian Pose <fp@igh-essen.com>
parents: 496
diff changeset
  1588
                       " in colon mode.\n", original);
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1589
                return NULL;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1590
            }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1591
            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
  1592
                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
  1593
                    && slave->coupler_subindex == second)
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1594
                    return slave;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1595
            }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1596
            EC_ERR("Slave address \"%s\" - Bus coupler %i has no %lu. slave"
500
f9e6d119463f Corrected error messages in get_slave().
Florian Pose <fp@igh-essen.com>
parents: 496
diff changeset
  1597
                   " following!\n", original, alias_slave->ring_position,
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1598
                   second);
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1599
            return NULL;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1600
        }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1601
        else {
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1602
            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
  1603
                if (slave->coupler_index == first
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1604
                    && slave->coupler_subindex == second) return slave;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1605
            }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1606
        }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1607
    }
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1608
    else
500
f9e6d119463f Corrected error messages in get_slave().
Florian Pose <fp@igh-essen.com>
parents: 496
diff changeset
  1609
        EC_ERR("Slave address \"%s\" - Invalid format!\n", original);
197
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1610
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1611
    return NULL;
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1612
}
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1613
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1614
/*****************************************************************************/
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1615
b9a6e2c22745 GPLv2 License and enhanced Doxygen output.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
  1616
/**
204
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1617
   Sets the locking callbacks.
226
07247920a7ba EoE with workqueue; bugfix in ec_master_init()
Florian Pose <fp@igh-essen.com>
parents: 214
diff changeset
  1618
   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
  1619
   (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
  1620
   that access is forbidden at this time.
204
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1621
   \ingroup RealtimeInterface
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1622
*/
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1623
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1624
void ecrt_master_callbacks(ec_master_t *master, /**< EtherCAT master */
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1625
                           int (*request_cb)(void *), /**< request lock CB */
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1626
                           void (*release_cb)(void *), /**< release lock CB */
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1627
                           void *cb_data /**< data parameter */
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1628
                           )
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1629
{
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1630
    master->request_cb = request_cb;
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1631
    master->release_cb = release_cb;
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1632
    master->cb_data = cb_data;
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1633
}
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1634
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1635
/*****************************************************************************/
5ab50514d9b2 Locking callback interface.
Florian Pose <fp@igh-essen.com>
parents: 203
diff changeset
  1636
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1637
/** \cond */
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1638
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1639
EXPORT_SYMBOL(ecrt_master_create_domain);
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
  1640
EXPORT_SYMBOL(ecrt_master_activate);
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
  1641
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
  1642
EXPORT_SYMBOL(ecrt_master_receive);
144
fdc24bf62f80 Dynamischer Kommandospeicher, Domain-Kommandos als Liste.
Florian Pose <fp@igh-essen.com>
parents: 140
diff changeset
  1643
EXPORT_SYMBOL(ecrt_master_run);
206
60a10d85c20b Prepared EoE processing with workqueue.
Florian Pose <fp@igh-essen.com>
parents: 204
diff changeset
  1644
EXPORT_SYMBOL(ecrt_master_callbacks);
138
7e743a61a991 SDO-Schnittstelle verbessert.
Florian Pose <fp@igh-essen.com>
parents: 136
diff changeset
  1645
EXPORT_SYMBOL(ecrt_master_get_slave);
42
a22a202d0f42 Domains, Warten beim Senden, 10kHz.
Florian Pose <fp@igh-essen.com>
parents: 39
diff changeset
  1646
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1647
/** \endcond */
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1648
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
  1649
/*****************************************************************************/