master/module.c
author Florian Pose <fp@igh-essen.com>
Wed, 18 Oct 2006 11:50:31 +0000
changeset 412 2e50ddc3e777
parent 403 7bb931deccd9
child 430 74754f45d5fa
permissions -rw-r--r--
Added FMMU debugging.
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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 driver module.
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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/init.h>
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#include "globals.h"
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#include "master.h"
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#include "device.h"
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/*****************************************************************************/
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int __init ec_init_module(void);
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void __exit ec_cleanup_module(void);
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/*****************************************************************************/
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static int ec_master_count = 1; /**< parameter value, number of masters */
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static int ec_eoeif_count = 0; /**< parameter value, number of EoE interf. */
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static struct list_head ec_masters; /**< list of masters */
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static dev_t device_number;
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/*****************************************************************************/
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/** \cond */
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module_param(ec_master_count, int, S_IRUGO);
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module_param(ec_eoeif_count, int, S_IRUGO);
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MODULE_AUTHOR("Florian Pose <fp@igh-essen.com>");
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MODULE_DESCRIPTION("EtherCAT master driver module");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(EC_MASTER_VERSION);
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MODULE_PARM_DESC(ec_master_count, "number of EtherCAT masters to initialize");
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MODULE_PARM_DESC(ec_eoeif_count, "number of EoE interfaces per master");
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/** \endcond */
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/*****************************************************************************/
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/**
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   Module initialization.
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   Initializes \a ec_master_count masters.
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   \return 0 on success, else < 0
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*/
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int __init ec_init_module(void)
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{
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    unsigned int i;
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    ec_master_t *master, *next;
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    EC_INFO("Master driver %s\n", EC_MASTER_VERSION);
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    if (ec_master_count < 1) {
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        EC_ERR("Invalid ec_master_count: %i\n", ec_master_count);
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        goto out_return;
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    }
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    if (alloc_chrdev_region(&device_number, 0, ec_master_count, "EtherCAT")) {
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        EC_ERR("Failed to allocate device number!\n");
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        goto out_return;
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    }
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    EC_INFO("Initializing %i EtherCAT master(s)...\n", ec_master_count);
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    INIT_LIST_HEAD(&ec_masters);
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    for (i = 0; i < ec_master_count; i++) {
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        if (!(master =
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              (ec_master_t *) kmalloc(sizeof(ec_master_t), GFP_KERNEL))) {
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            EC_ERR("Failed to allocate memory for EtherCAT master %i.\n", i);
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            goto out_free;
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        }
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        if (ec_master_init(master, i, ec_eoeif_count, device_number))
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            goto out_free;
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        if (kobject_add(&master->kobj)) {
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            EC_ERR("Failed to add kobj.\n");
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            kobject_put(&master->kobj); // free master
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            goto out_free;
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        }
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        list_add_tail(&master->list, &ec_masters);
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    }
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    EC_INFO("Master driver initialized.\n");
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    return 0;
127
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178
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 out_free:
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    list_for_each_entry_safe(master, next, &ec_masters, list) {
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        list_del(&master->list);
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        kobject_del(&master->kobj);
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        kobject_put(&master->kobj);
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    }
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 out_return:
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    return -1;
27
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}
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39
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/*****************************************************************************/
27
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/**
195
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   Module cleanup.
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   Clears all master instances.
27
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*/
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54
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void __exit ec_cleanup_module(void)
27
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{
178
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    ec_master_t *master, *next;
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84
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    EC_INFO("Cleaning up master driver...\n");
73
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178
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    list_for_each_entry_safe(master, next, &ec_masters, list) {
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        list_del(&master->list);
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        kobject_del(&master->kobj);
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        kobject_put(&master->kobj); // free master
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    }
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361
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    unregister_chrdev_region(device_number, ec_master_count);
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    EC_INFO("Master driver cleaned up.\n");
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}
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178
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/*****************************************************************************/
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/**
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   Gets a handle to a certain master.
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   \returns pointer to master
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*/
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ec_master_t *ec_find_master(unsigned int master_index /**< master index */)
178
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{
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    ec_master_t *master;
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    list_for_each_entry(master, &ec_masters, list) {
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        if (master->index == master_index) return master;
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    }
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    EC_ERR("Master %i does not exist!\n", master_index);
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    return NULL;
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}
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196
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/*****************************************************************************/
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/**
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   Outputs frame contents for debugging purposes.
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*/
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void ec_print_data(const uint8_t *data, /**< pointer to data */
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                   size_t size /**< number of bytes to output */
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                   )
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{
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    unsigned int i;
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    EC_DBG("");
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    for (i = 0; i < size; i++) {
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        printk("%02X ", data[i]);
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        if ((i + 1) % 16 == 0) {
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            printk("\n");
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            EC_DBG("");
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        }
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    }
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    printk("\n");
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}
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/*****************************************************************************/
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/**
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   Outputs frame contents and differences for debugging purposes.
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*/
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void ec_print_data_diff(const uint8_t *d1, /**< first data */
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                        const uint8_t *d2, /**< second data */
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                        size_t size /** number of bytes to output */
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                        )
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{
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    unsigned int i;
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    EC_DBG("");
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    for (i = 0; i < size; i++) {
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        if (d1[i] == d2[i]) printk(".. ");
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        else printk("%02X ", d2[i]);
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        if ((i + 1) % 16 == 0) {
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            printk("\n");
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            EC_DBG("");
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        }
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    }
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    printk("\n");
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}
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251
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/*****************************************************************************/
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/**
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   Prints slave states in clear text.
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*/
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325
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size_t ec_state_string(uint8_t states, /**< slave states */
403
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                       char *buffer /**< target buffer
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                                       (min. EC_STATE_STRING_SIZE bytes) */
325
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                       )
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{
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    off_t off = 0;
251
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    unsigned int first = 1;
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    if (!states) {
325
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        off += sprintf(buffer + off, "(unknown)");
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        return off;
251
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    }
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    if (states & EC_SLAVE_STATE_INIT) {
325
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        off += sprintf(buffer + off, "INIT");
251
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        first = 0;
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    }
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    if (states & EC_SLAVE_STATE_PREOP) {
325
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        if (!first) off += sprintf(buffer + off, ", ");
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        off += sprintf(buffer + off, "PREOP");
251
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        first = 0;
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    }
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    if (states & EC_SLAVE_STATE_SAVEOP) {
325
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        if (!first) off += sprintf(buffer + off, ", ");
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        off += sprintf(buffer + off, "SAVEOP");
251
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diff changeset
   260
        first = 0;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
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parents: 249
diff changeset
   261
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
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diff changeset
   262
    if (states & EC_SLAVE_STATE_OP) {
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
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diff changeset
   263
        if (!first) off += sprintf(buffer + off, ", ");
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
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parents: 321
diff changeset
   264
        off += sprintf(buffer + off, "OP");
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   265
    }
403
7bb931deccd9 Added EC_SLAVE_STATE_ACK_ERR to ec_state_string(); added EC_STATE_STRING_SIZE
Florian Pose <fp@igh-essen.com>
parents: 383
diff changeset
   266
    if (states & EC_SLAVE_STATE_ACK_ERR) {
7bb931deccd9 Added EC_SLAVE_STATE_ACK_ERR to ec_state_string(); added EC_STATE_STRING_SIZE
Florian Pose <fp@igh-essen.com>
parents: 383
diff changeset
   267
        if (!first) off += sprintf(buffer + off, ", ");
7bb931deccd9 Added EC_SLAVE_STATE_ACK_ERR to ec_state_string(); added EC_STATE_STRING_SIZE
Florian Pose <fp@igh-essen.com>
parents: 383
diff changeset
   268
        off += sprintf(buffer + off, "ERR");
7bb931deccd9 Added EC_SLAVE_STATE_ACK_ERR to ec_state_string(); added EC_STATE_STRING_SIZE
Florian Pose <fp@igh-essen.com>
parents: 383
diff changeset
   269
    }
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   270
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
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parents: 321
diff changeset
   271
    return off;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
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parents: 249
diff changeset
   272
}
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
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parents: 249
diff changeset
   273
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
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   274
/******************************************************************************
195
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diff changeset
   275
 *  Device interface
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
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diff changeset
   276
 *****************************************************************************/
33
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
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diff changeset
   277
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
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parents: 27
diff changeset
   278
/**
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
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   279
   Connects an EtherCAT device to a certain master.
04ecf40fc2e9 Doxygen added interface modules and file documentation.
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   280
   The master will use the device for sending and receiving frames. It is
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diff changeset
   281
   required that no other instance (for example the kernel IP stack) uses
04ecf40fc2e9 Doxygen added interface modules and file documentation.
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diff changeset
   282
   the device.
195
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   283
   \return 0 on success, else < 0
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
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diff changeset
   284
   \ingroup DeviceInterface
195
674071846ee3 Translated all comments and documentation to english language.
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diff changeset
   285
*/
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   286
674071846ee3 Translated all comments and documentation to english language.
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diff changeset
   287
ec_device_t *ecdev_register(unsigned int master_index, /**< master index */
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diff changeset
   288
                            struct net_device *net_dev, /**< net_device of
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   289
                                                           the device */
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diff changeset
   290
                            ec_isr_t isr, /**< interrupt service routine */
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diff changeset
   291
                            struct module *module /**< pointer to the module */
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
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diff changeset
   292
                            )
91
0120d6214948 Code-Dokumentation angepasst.
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diff changeset
   293
{
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
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diff changeset
   294
    ec_master_t *master;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
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diff changeset
   295
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
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   296
    if (!(master = ec_find_master(master_index))) return NULL;
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
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diff changeset
   297
381
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
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diff changeset
   298
    if (down_interruptible(&master->device_sem)) {
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
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diff changeset
   299
        EC_ERR("Interrupted while waiting for device!\n");
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
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diff changeset
   300
        goto out_return;
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
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parents: 378
diff changeset
   301
    }
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
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parents: 378
diff changeset
   302
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
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diff changeset
   303
    if (master->device) {
84
b4ae98855cea printk durch Makros ersetzt.
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parents: 79
diff changeset
   304
        EC_ERR("Master %i already has a device!\n", master_index);
381
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   305
        goto out_up;
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   306
    }
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
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parents: 64
diff changeset
   307
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   308
    if (!(master->device =
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   309
          (ec_device_t *) kmalloc(sizeof(ec_device_t), GFP_KERNEL))) {
161
ddb7266d1c56 Bugfix: Discovered memory leak.
Florian Pose <fp@igh-essen.com>
parents: 152
diff changeset
   310
        EC_ERR("Failed to allocate device!\n");
381
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   311
        goto out_up;
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
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diff changeset
   312
    }
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
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parents: 91
diff changeset
   313
127
e67c80a76de4 Code aufger?umt und kleines Speicherleck entdeckt.
Florian Pose <fp@igh-essen.com>
parents: 111
diff changeset
   314
    if (ec_device_init(master->device, master, net_dev, isr, module)) {
191
ca805255a935 Prepared Free-Run mode
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parents: 184
diff changeset
   315
        EC_ERR("Failed to init device!\n");
ca805255a935 Prepared Free-Run mode
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diff changeset
   316
        goto out_free;
127
e67c80a76de4 Code aufger?umt und kleines Speicherleck entdeckt.
Florian Pose <fp@igh-essen.com>
parents: 111
diff changeset
   317
    }
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
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parents: 91
diff changeset
   318
381
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   319
    up(&master->device_sem);
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
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diff changeset
   320
    return master->device;
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   321
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
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diff changeset
   322
 out_free:
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   323
    kfree(master->device);
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   324
    master->device = NULL;
381
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   325
 out_up:
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   326
    up(&master->device_sem);
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
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diff changeset
   327
 out_return:
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   328
    return NULL;
91
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 88
diff changeset
   329
}
0120d6214948 Code-Dokumentation angepasst.
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diff changeset
   330
0120d6214948 Code-Dokumentation angepasst.
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parents: 88
diff changeset
   331
/*****************************************************************************/
0120d6214948 Code-Dokumentation angepasst.
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parents: 88
diff changeset
   332
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 88
diff changeset
   333
/**
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
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parents: 197
diff changeset
   334
   Disconnect an EtherCAT device from the master.
04ecf40fc2e9 Doxygen added interface modules and file documentation.
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parents: 197
diff changeset
   335
   The device is disconnected from the master and all device ressources
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
   336
   are freed.
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
   337
   \attention Before calling this function, the ecdev_stop() function has
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
   338
   to be called, to be sure that the master does not use the device any more.
04ecf40fc2e9 Doxygen added interface modules and file documentation.
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parents: 197
diff changeset
   339
   \ingroup DeviceInterface
195
674071846ee3 Translated all comments and documentation to english language.
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parents: 191
diff changeset
   340
*/
674071846ee3 Translated all comments and documentation to english language.
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diff changeset
   341
674071846ee3 Translated all comments and documentation to english language.
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parents: 191
diff changeset
   342
void ecdev_unregister(unsigned int master_index, /**< master index */
674071846ee3 Translated all comments and documentation to english language.
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parents: 191
diff changeset
   343
                      ec_device_t *device /**< EtherCAT device */
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
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parents: 101
diff changeset
   344
                      )
55
059a9e712aa7 Mit neuer Schnittstelle wieder lauff?hig.
Florian Pose <fp@igh-essen.com>
parents: 54
diff changeset
   345
{
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   346
    ec_master_t *master;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   347
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   348
    if (!(master = ec_find_master(master_index))) return;
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   349
381
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   350
    down(&master->device_sem);
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   351
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
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parents: 91
diff changeset
   352
    if (!master->device || master->device != device) {
381
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   353
        up(&master->device_sem);
84
b4ae98855cea printk durch Makros ersetzt.
Florian Pose <fp@igh-essen.com>
parents: 79
diff changeset
   354
        EC_WARN("Unable to unregister device!\n");
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   355
        return;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   356
    }
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   357
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 91
diff changeset
   358
    ec_device_clear(master->device);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 91
diff changeset
   359
    kfree(master->device);
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 91
diff changeset
   360
    master->device = NULL;
381
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   361
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   362
    up(&master->device_sem);
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   363
}
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   364
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   365
/*****************************************************************************/
ca805255a935 Prepared Free-Run mode
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parents: 184
diff changeset
   366
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   367
/**
195
674071846ee3 Translated all comments and documentation to english language.
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parents: 191
diff changeset
   368
   Starts the master associated with the device.
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
   369
   This function has to be called by the network device driver to tell the
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
   370
   master that the device is ready to send and receive data. The master
306
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   371
   will enter the idle mode then.
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
   372
   \ingroup DeviceInterface
195
674071846ee3 Translated all comments and documentation to english language.
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parents: 191
diff changeset
   373
*/
674071846ee3 Translated all comments and documentation to english language.
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parents: 191
diff changeset
   374
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   375
int ecdev_start(unsigned int master_index /**< master index */)
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   376
{
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   377
    ec_master_t *master;
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   378
    if (!(master = ec_find_master(master_index))) return -1;
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   379
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   380
    if (ec_device_open(master->device)) {
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   381
        EC_ERR("Failed to open device!\n");
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   382
        return -1;
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   383
    }
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   384
306
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   385
    ec_master_idle_start(master);
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   386
    return 0;
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   387
}
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   388
ca805255a935 Prepared Free-Run mode
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parents: 184
diff changeset
   389
/*****************************************************************************/
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   390
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   391
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   392
   Stops the master associated with the device.
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
   393
   Tells the master to stop using the device for frame IO. Has to be called
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
   394
   before unregistering the device.
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
   395
   \ingroup DeviceInterface
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   396
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   397
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   398
void ecdev_stop(unsigned int master_index /**< master index */)
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   399
{
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   400
    ec_master_t *master;
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   401
    if (!(master = ec_find_master(master_index))) return;
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   402
306
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   403
    ec_master_idle_stop(master);
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   404
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   405
    if (ec_device_close(master->device))
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   406
        EC_WARN("Failed to close device!\n");
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   407
}
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   408
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   409
/******************************************************************************
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   410
 *  Realtime interface
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   411
 *****************************************************************************/
33
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents: 27
diff changeset
   412
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents: 27
diff changeset
   413
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   414
   Reserves an EtherCAT master for realtime operation.
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   415
   \return pointer to reserved master, or NULL on error
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
   416
   \ingroup RealtimeInterface
91
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 88
diff changeset
   417
*/
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 88
diff changeset
   418
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   419
ec_master_t *ecrt_request_master(unsigned int master_index
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   420
                                 /**< master index */
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
   421
                                 )
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   422
{
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   423
    ec_master_t *master;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   424
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   425
    EC_INFO("Requesting master %i...\n", master_index);
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   426
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   427
    if (!(master = ec_find_master(master_index))) goto out_return;
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   428
378
8fe6cd43787a Replaced master's reserved flag by atomic_t available.
Florian Pose <fp@igh-essen.com>
parents: 377
diff changeset
   429
    if (!atomic_dec_and_test(&master->available)) {
8fe6cd43787a Replaced master's reserved flag by atomic_t available.
Florian Pose <fp@igh-essen.com>
parents: 377
diff changeset
   430
        atomic_inc(&master->available);
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   431
        EC_ERR("Master %i is already in use!\n", master_index);
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   432
        goto out_return;
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   433
    }
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   434
381
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   435
    if (down_interruptible(&master->device_sem)) {
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   436
        EC_ERR("Interrupted while waiting for device!\n");
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   437
        goto out_release;
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   438
    }
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   439
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 91
diff changeset
   440
    if (!master->device) {
381
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   441
        up(&master->device_sem);
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   442
        EC_ERR("Master %i has no assigned device!\n", master_index);
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   443
        goto out_release;
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   444
    }
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   445
381
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   446
    if (!try_module_get(master->device->module)) {
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   447
        up(&master->device_sem);
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   448
        EC_ERR("Device module is unloading!\n");
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   449
        goto out_release;
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   450
    }
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   451
381
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   452
    up(&master->device_sem);
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   453
377
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   454
    if (!master->device->link_state) {
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   455
        EC_ERR("Link is DOWN.\n");
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   456
        goto out_module_put;
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   457
    }
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   458
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   459
    ec_master_reset(master); // also stops idle mode
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   460
    master->mode = EC_MASTER_MODE_OPERATION;
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   461
377
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   462
    if (ec_master_measure_bus_time(master)) {
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   463
        EC_ERR("Bus time measuring failed!\n");
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   464
        goto out_reset;
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   465
    }
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   466
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   467
    if (ec_master_bus_scan(master)) {
84
b4ae98855cea printk durch Makros ersetzt.
Florian Pose <fp@igh-essen.com>
parents: 79
diff changeset
   468
        EC_ERR("Bus scan failed!\n");
377
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   469
        goto out_reset;
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   470
    }
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   471
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   472
    EC_INFO("Successfully requested master %i.\n", master_index);
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   473
    return master;
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   474
377
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   475
 out_reset:
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   476
    ec_master_reset(master);
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   477
    ec_master_idle_start(master);
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   478
 out_module_put:
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 91
diff changeset
   479
    module_put(master->device->module);
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   480
 out_release:
378
8fe6cd43787a Replaced master's reserved flag by atomic_t available.
Florian Pose <fp@igh-essen.com>
parents: 377
diff changeset
   481
    atomic_inc(&master->available);
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   482
 out_return:
377
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   483
    EC_ERR("Failed to request master %i.\n", master_index);
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   484
    return NULL;
27
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
39
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents: 34
diff changeset
   487
/*****************************************************************************/
33
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents: 27
diff changeset
   488
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents: 27
diff changeset
   489
/**
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   490
   Releases a reserved EtherCAT master.
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
   491
   \ingroup RealtimeInterface
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   492
*/
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   493
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   494
void ecrt_release_master(ec_master_t *master /**< EtherCAT master */)
33
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents: 27
diff changeset
   495
{
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   496
    EC_INFO("Releasing master %i...\n", master->index);
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   497
378
8fe6cd43787a Replaced master's reserved flag by atomic_t available.
Florian Pose <fp@igh-essen.com>
parents: 377
diff changeset
   498
    if (atomic_read(&master->available)) {
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   499
        EC_ERR("Master %i was never requested!\n", master->index);
88
98335157e54e Bessere Ausgaben beim Starten und beenden.
Florian Pose <fp@igh-essen.com>
parents: 85
diff changeset
   500
        return;
98335157e54e Bessere Ausgaben beim Starten und beenden.
Florian Pose <fp@igh-essen.com>
parents: 85
diff changeset
   501
    }
98335157e54e Bessere Ausgaben beim Starten und beenden.
Florian Pose <fp@igh-essen.com>
parents: 85
diff changeset
   502
98335157e54e Bessere Ausgaben beim Starten und beenden.
Florian Pose <fp@igh-essen.com>
parents: 85
diff changeset
   503
    ec_master_reset(master);
306
45886de3db87 Renamed FREERUN mode to IDLE mode.
Florian Pose <fp@igh-essen.com>
parents: 305
diff changeset
   504
    ec_master_idle_start(master);
151
1961b674466c Plugfest: master_open()/close() ausgelagert.
Florian Pose <fp@igh-essen.com>
parents: 127
diff changeset
   505
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 91
diff changeset
   506
    module_put(master->device->module);
378
8fe6cd43787a Replaced master's reserved flag by atomic_t available.
Florian Pose <fp@igh-essen.com>
parents: 377
diff changeset
   507
    atomic_inc(&master->available);
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   508
377
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   509
    EC_INFO("Successfully released master %i.\n", master->index);
88
98335157e54e Bessere Ausgaben beim Starten und beenden.
Florian Pose <fp@igh-essen.com>
parents: 85
diff changeset
   510
    return;
33
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents: 27
diff changeset
   511
}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents: 27
diff changeset
   512
39
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents: 34
diff changeset
   513
/*****************************************************************************/
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   514
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
   515
/** \cond */
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
   516
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   517
module_init(ec_init_module);
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   518
module_exit(ec_cleanup_module);
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   519
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
   520
EXPORT_SYMBOL(ecdev_register);
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
   521
EXPORT_SYMBOL(ecdev_unregister);
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   522
EXPORT_SYMBOL(ecdev_start);
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   523
EXPORT_SYMBOL(ecdev_stop);
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
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   524
EXPORT_SYMBOL(ecrt_request_master);
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parents: 101
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   525
EXPORT_SYMBOL(ecrt_release_master);
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   526
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
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parents: 197
diff changeset
   527
/** \endcond */
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   528
04ecf40fc2e9 Doxygen added interface modules and file documentation.
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parents: 197
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   529
/*****************************************************************************/