master/module.c
author Florian Pose <fp@igh-essen.com>
Mon, 16 May 2011 10:59:10 +0200
branchstable-1.5
changeset 2075 876b2482608e
parent 1930 59a50053ccc6
child 2028 55854f070c4a
child 2054 3417bbc4ad2f
child 2129 78efdac9ee87
child 2382 2565cb4d9e31
permissions -rw-r--r--
Added 8139too driver for 2.6.32.
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/******************************************************************************
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 *
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 *  $Id$
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 *
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 *  Copyright (C) 2006-2008  Florian Pose, Ingenieurgemeinschaft IgH
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 *
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 *  This file is part of the IgH EtherCAT Master.
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 *
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 *  The IgH EtherCAT Master is free software; you can redistribute it and/or
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 *  modify it under the terms of the GNU General Public License version 2, as
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 *  published by the Free Software Foundation.
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 *
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 *  The IgH EtherCAT Master is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
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 *  Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License along
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 *  with the IgH EtherCAT Master; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 *
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 *  ---
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 *
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 *  The license mentioned above concerns the source code only. Using the
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 *  EtherCAT technology and brand is only permitted in compliance with the
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 *  industrial property and similar rights of Beckhoff Automation GmbH.
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 *
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 *****************************************************************************/
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/** \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/device.h>
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#include <linux/err.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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#define MAX_MASTERS 32 /**< Maximum number of masters. */
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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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static int ec_mac_parse(uint8_t *, const char *, int);
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/*****************************************************************************/
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static char *main_devices[MAX_MASTERS]; /**< Main devices parameter. */
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static unsigned int master_count; /**< Number of masters. */
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static char *backup_devices[MAX_MASTERS]; /**< Backup devices parameter. */
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static unsigned int backup_count; /**< Number of backup devices. */
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static unsigned int debug_level;  /**< Debug level parameter. */
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static ec_master_t *masters; /**< Array of masters. */
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static struct semaphore master_sem; /**< Master semaphore. */
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dev_t device_number; /**< Device number for master cdevs. */
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struct class *class; /**< Device class. */
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static uint8_t macs[MAX_MASTERS][2][ETH_ALEN]; /**< MAC addresses. */
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char *ec_master_version_str = EC_MASTER_VERSION; /**< Version string. */
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/*****************************************************************************/
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/** \cond */
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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_param_array(main_devices, charp, &master_count, S_IRUGO);
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MODULE_PARM_DESC(main_devices, "MAC addresses of main devices");
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module_param_array(backup_devices, charp, &backup_count, S_IRUGO);
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MODULE_PARM_DESC(backup_devices, "MAC addresses of backup devices");
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module_param_named(debug_level, debug_level, uint, S_IRUGO);
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MODULE_PARM_DESC(debug_level, "Debug level");
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/** \endcond */
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/*****************************************************************************/
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/** Module initialization.
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 *
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 * Initializes \a 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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    int i, ret = 0;
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    EC_INFO("Master driver %s\n", EC_MASTER_VERSION);
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    sema_init(&master_sem, 1);
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    if (master_count) {
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        if (alloc_chrdev_region(&device_number,
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                    0, master_count, "EtherCAT")) {
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            EC_ERR("Failed to obtain device number(s)!\n");
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            ret = -EBUSY;
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            goto out_return;
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        }
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    }
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    class = class_create(THIS_MODULE, "EtherCAT");
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    if (IS_ERR(class)) {
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        EC_ERR("Failed to create device class.\n");
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        ret = PTR_ERR(class);
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        goto out_cdev;
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    }
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    // zero MAC addresses
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diff changeset
   123
    memset(macs, 0x00, sizeof(uint8_t) * MAX_MASTERS * 2 * ETH_ALEN);
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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diff changeset
   124
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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diff changeset
   125
    // process MAC parameters
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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diff changeset
   126
    for (i = 0; i < master_count; i++) {
1313
ed15eef57d5c Improved error case return codes of many functions.
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diff changeset
   127
        ret = ec_mac_parse(macs[i][0], main_devices[i], 0);
ed15eef57d5c Improved error case return codes of many functions.
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diff changeset
   128
        if (ret)
1012
89f87a901ce5 Create device class. Preparation for device numbers in sysfs.
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diff changeset
   129
            goto out_class;
573
cdee4ea90ce9 Introduced device IDs; removed comment lines from 8139too; removed
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diff changeset
   130
        
1313
ed15eef57d5c Improved error case return codes of many functions.
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diff changeset
   131
        if (i < backup_count) {
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diff changeset
   132
            ret = ec_mac_parse(macs[i][1], backup_devices[i], 1);
ed15eef57d5c Improved error case return codes of many functions.
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diff changeset
   133
            if (ret)
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diff changeset
   134
                goto out_class;
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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diff changeset
   135
        }
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diff changeset
   136
    }
1279
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
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diff changeset
   137
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
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diff changeset
   138
    // initialize static master variables
6911450535b7 merge -c1522 branches/stable-1.4: Fixed jace in jiffies timeout calculation.
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   139
    ec_master_init_static();
639
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diff changeset
   140
    
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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diff changeset
   141
    if (master_count) {
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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diff changeset
   142
        if (!(masters = kmalloc(sizeof(ec_master_t) * master_count,
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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diff changeset
   143
                        GFP_KERNEL))) {
1921
d9cf40facbc4 Improved syslog macros.
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diff changeset
   144
            EC_ERR("Failed to allocate memory"
d9cf40facbc4 Improved syslog macros.
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diff changeset
   145
                    " for EtherCAT masters.\n");
639
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   146
            ret = -ENOMEM;
1012
89f87a901ce5 Create device class. Preparation for device numbers in sysfs.
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   147
            goto out_class;
639
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diff changeset
   148
        }
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diff changeset
   149
    }
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diff changeset
   150
    
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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diff changeset
   151
    for (i = 0; i < master_count; i++) {
1313
ed15eef57d5c Improved error case return codes of many functions.
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diff changeset
   152
        ret = ec_master_init(&masters[i], i, macs[i][0], macs[i][1],
1399
f79d4bb5b23a Added debug_level module parameter. debug_level is now unsigned int.
Florian Pose <fp@igh-essen.com>
parents: 1363
diff changeset
   153
                    device_number, class, debug_level);
1313
ed15eef57d5c Improved error case return codes of many functions.
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parents: 1312
diff changeset
   154
        if (ret)
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   155
            goto out_free_masters;
573
cdee4ea90ce9 Introduced device IDs; removed comment lines from 8139too; removed
Florian Pose <fp@igh-essen.com>
parents: 572
diff changeset
   156
    }
cdee4ea90ce9 Introduced device IDs; removed comment lines from 8139too; removed
Florian Pose <fp@igh-essen.com>
parents: 572
diff changeset
   157
    
cdee4ea90ce9 Introduced device IDs; removed comment lines from 8139too; removed
Florian Pose <fp@igh-essen.com>
parents: 572
diff changeset
   158
    EC_INFO("%u master%s waiting for devices.\n",
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   159
            master_count, (master_count == 1 ? "" : "s"));
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   160
    return ret;
127
e67c80a76de4 Code aufger?umt und kleines Speicherleck entdeckt.
Florian Pose <fp@igh-essen.com>
parents: 111
diff changeset
   161
573
cdee4ea90ce9 Introduced device IDs; removed comment lines from 8139too; removed
Florian Pose <fp@igh-essen.com>
parents: 572
diff changeset
   162
out_free_masters:
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 954
diff changeset
   163
    for (i--; i >= 0; i--)
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 954
diff changeset
   164
        ec_master_clear(&masters[i]);
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   165
    kfree(masters);
1012
89f87a901ce5 Create device class. Preparation for device numbers in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1011
diff changeset
   166
out_class:
89f87a901ce5 Create device class. Preparation for device numbers in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1011
diff changeset
   167
    class_destroy(class);
922
fede1d8f5b71 Added the new ethercat comman-line tool with lsec functionality.
Florian Pose <fp@igh-essen.com>
parents: 919
diff changeset
   168
out_cdev:
1012
89f87a901ce5 Create device class. Preparation for device numbers in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1011
diff changeset
   169
    if (master_count)
89f87a901ce5 Create device class. Preparation for device numbers in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1011
diff changeset
   170
        unregister_chrdev_region(device_number, master_count);
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 954
diff changeset
   171
out_return:
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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parents: 579
diff changeset
   172
    return ret;
27
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   173
}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   174
39
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents: 34
diff changeset
   175
/*****************************************************************************/
27
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert.
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parents:
diff changeset
   176
806
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
Florian Pose <fp@igh-essen.com>
parents: 794
diff changeset
   177
/** Module cleanup.
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
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parents: 794
diff changeset
   178
 *
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
Florian Pose <fp@igh-essen.com>
parents: 794
diff changeset
   179
 * Clears all master instances.
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
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diff changeset
   180
 */
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   181
void __exit ec_cleanup_module(void)
27
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   182
{
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   183
    unsigned int i;
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   184
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   185
    for (i = 0; i < master_count; i++) {
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   186
        ec_master_clear(&masters[i]);
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   187
    }
1012
89f87a901ce5 Create device class. Preparation for device numbers in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1011
diff changeset
   188
89f87a901ce5 Create device class. Preparation for device numbers in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1011
diff changeset
   189
    if (master_count)
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   190
        kfree(masters);
1012
89f87a901ce5 Create device class. Preparation for device numbers in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1011
diff changeset
   191
    
89f87a901ce5 Create device class. Preparation for device numbers in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1011
diff changeset
   192
    class_destroy(class);
89f87a901ce5 Create device class. Preparation for device numbers in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1011
diff changeset
   193
    
89f87a901ce5 Create device class. Preparation for device numbers in sysfs.
Florian Pose <fp@igh-essen.com>
parents: 1011
diff changeset
   194
    if (master_count)
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 954
diff changeset
   195
        unregister_chrdev_region(device_number, master_count);
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 954
diff changeset
   196
    
575
9a2121b500b1 Layed out device ID functionality in own files.
Florian Pose <fp@igh-essen.com>
parents: 573
diff changeset
   197
    EC_INFO("Master module cleaned up.\n");
27
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   198
}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   199
1826
ec6223c3b7ec Multi-master support for command-line tool. The --master option supports
Florian Pose <fp@igh-essen.com>
parents: 1814
diff changeset
   200
/*****************************************************************************/
ec6223c3b7ec Multi-master support for command-line tool. The --master option supports
Florian Pose <fp@igh-essen.com>
parents: 1814
diff changeset
   201
ec6223c3b7ec Multi-master support for command-line tool. The --master option supports
Florian Pose <fp@igh-essen.com>
parents: 1814
diff changeset
   202
/** Get the number of masters.
ec6223c3b7ec Multi-master support for command-line tool. The --master option supports
Florian Pose <fp@igh-essen.com>
parents: 1814
diff changeset
   203
 */
ec6223c3b7ec Multi-master support for command-line tool. The --master option supports
Florian Pose <fp@igh-essen.com>
parents: 1814
diff changeset
   204
unsigned int ec_master_count(void)
ec6223c3b7ec Multi-master support for command-line tool. The --master option supports
Florian Pose <fp@igh-essen.com>
parents: 1814
diff changeset
   205
{
ec6223c3b7ec Multi-master support for command-line tool. The --master option supports
Florian Pose <fp@igh-essen.com>
parents: 1814
diff changeset
   206
    return master_count;
ec6223c3b7ec Multi-master support for command-line tool. The --master option supports
Florian Pose <fp@igh-essen.com>
parents: 1814
diff changeset
   207
}
ec6223c3b7ec Multi-master support for command-line tool. The --master option supports
Florian Pose <fp@igh-essen.com>
parents: 1814
diff changeset
   208
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   209
/*****************************************************************************
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   210
 * MAC address functions
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   211
 ****************************************************************************/
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   212
758
8fa6f825eb7d Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents: 700
diff changeset
   213
/**
8fa6f825eb7d Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents: 700
diff changeset
   214
 * \return true, if two MAC addresses are equal.
8fa6f825eb7d Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents: 700
diff changeset
   215
 */
840
64beeb6ce8e3 Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 813
diff changeset
   216
int ec_mac_equal(
64beeb6ce8e3 Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 813
diff changeset
   217
        const uint8_t *mac1, /**< First MAC address. */
64beeb6ce8e3 Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 813
diff changeset
   218
        const uint8_t *mac2 /**< Second MAC address. */
64beeb6ce8e3 Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 813
diff changeset
   219
        )
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   220
{
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   221
    unsigned int i;
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   222
    
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   223
    for (i = 0; i < ETH_ALEN; i++)
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   224
        if (mac1[i] != mac2[i])
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   225
            return 0;
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   226
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   227
    return 1;
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   228
}
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   229
                
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   230
/*****************************************************************************/
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   231
806
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
Florian Pose <fp@igh-essen.com>
parents: 794
diff changeset
   232
/** Print a MAC address to a buffer.
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
Florian Pose <fp@igh-essen.com>
parents: 794
diff changeset
   233
 *
758
8fa6f825eb7d Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents: 700
diff changeset
   234
 * \return number of bytes written.
8fa6f825eb7d Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents: 700
diff changeset
   235
 */
8fa6f825eb7d Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents: 700
diff changeset
   236
ssize_t ec_mac_print(
8fa6f825eb7d Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents: 700
diff changeset
   237
        const uint8_t *mac, /**< MAC address */
8fa6f825eb7d Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents: 700
diff changeset
   238
        char *buffer /**< target buffer */
8fa6f825eb7d Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents: 700
diff changeset
   239
        )
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   240
{
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   241
    off_t off = 0;
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   242
    unsigned int i;
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   243
    
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   244
    for (i = 0; i < ETH_ALEN; i++) {
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   245
        off += sprintf(buffer + off, "%02X", mac[i]);
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   246
        if (i < ETH_ALEN - 1) off += sprintf(buffer + off, ":");
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   247
    }
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   248
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   249
    return off;
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   250
}
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   251
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   252
/*****************************************************************************/
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   253
758
8fa6f825eb7d Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents: 700
diff changeset
   254
/**
8fa6f825eb7d Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents: 700
diff changeset
   255
 * \return true, if the MAC address is all-zero.
8fa6f825eb7d Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents: 700
diff changeset
   256
 */
840
64beeb6ce8e3 Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 813
diff changeset
   257
int ec_mac_is_zero(
64beeb6ce8e3 Added documentation.
Florian Pose <fp@igh-essen.com>
parents: 813
diff changeset
   258
        const uint8_t *mac /**< MAC address. */
64beeb6ce8e3 Added documentation.
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diff changeset
   259
        )
639
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{
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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   261
    unsigned int i;
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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diff changeset
   262
    
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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   263
    for (i = 0; i < ETH_ALEN; i++)
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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diff changeset
   264
        if (mac[i])
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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diff changeset
   265
            return 0;
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diff changeset
   266
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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diff changeset
   267
    return 1;
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diff changeset
   268
}
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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   269
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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   270
/*****************************************************************************/
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diff changeset
   271
758
8fa6f825eb7d Updated Doxygen documentation.
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   272
/**
8fa6f825eb7d Updated Doxygen documentation.
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   273
 * \return true, if the given MAC address is the broadcast address.
8fa6f825eb7d Updated Doxygen documentation.
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parents: 700
diff changeset
   274
 */
840
64beeb6ce8e3 Added documentation.
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diff changeset
   275
int ec_mac_is_broadcast(
64beeb6ce8e3 Added documentation.
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diff changeset
   276
        const uint8_t *mac /**< MAC address. */
64beeb6ce8e3 Added documentation.
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diff changeset
   277
        )
700
a6b61f1a062d Broadcast MAC address accepts first device.
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parents: 653
diff changeset
   278
{
a6b61f1a062d Broadcast MAC address accepts first device.
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diff changeset
   279
    unsigned int i;
a6b61f1a062d Broadcast MAC address accepts first device.
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diff changeset
   280
    
a6b61f1a062d Broadcast MAC address accepts first device.
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diff changeset
   281
    for (i = 0; i < ETH_ALEN; i++)
a6b61f1a062d Broadcast MAC address accepts first device.
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diff changeset
   282
        if (mac[i] != 0xff)
a6b61f1a062d Broadcast MAC address accepts first device.
Florian Pose <fp@igh-essen.com>
parents: 653
diff changeset
   283
            return 0;
a6b61f1a062d Broadcast MAC address accepts first device.
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parents: 653
diff changeset
   284
a6b61f1a062d Broadcast MAC address accepts first device.
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parents: 653
diff changeset
   285
    return 1;
a6b61f1a062d Broadcast MAC address accepts first device.
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parents: 653
diff changeset
   286
}
a6b61f1a062d Broadcast MAC address accepts first device.
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parents: 653
diff changeset
   287
a6b61f1a062d Broadcast MAC address accepts first device.
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parents: 653
diff changeset
   288
/*****************************************************************************/
a6b61f1a062d Broadcast MAC address accepts first device.
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parents: 653
diff changeset
   289
806
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
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parents: 794
diff changeset
   290
/** Parse a MAC address from a string.
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
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parents: 794
diff changeset
   291
 *
758
8fa6f825eb7d Updated Doxygen documentation.
Florian Pose <fp@igh-essen.com>
parents: 700
diff changeset
   292
 * The MAC address must follow the regexp
8fa6f825eb7d Updated Doxygen documentation.
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parents: 700
diff changeset
   293
 * "([0-9a-fA-F]{2}:){5}[0-9a-fA-F]{2}".
806
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
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parents: 794
diff changeset
   294
 *
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
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parents: 794
diff changeset
   295
 * \return 0 on success, else < 0
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
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parents: 794
diff changeset
   296
 */
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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diff changeset
   297
static int ec_mac_parse(uint8_t *mac, const char *src, int allow_empty)
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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parents: 579
diff changeset
   298
{
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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diff changeset
   299
    unsigned int i, value;
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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diff changeset
   300
    const char *orig = src;
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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parents: 579
diff changeset
   301
    char *rem;
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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diff changeset
   302
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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diff changeset
   303
    if (!strlen(src)) {
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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parents: 579
diff changeset
   304
        if (allow_empty){
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   305
            return 0;
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   306
        }
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   307
        else {
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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parents: 579
diff changeset
   308
            EC_ERR("MAC address may not be empty.\n");
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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parents: 579
diff changeset
   309
            return -EINVAL;
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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parents: 579
diff changeset
   310
        }
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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parents: 579
diff changeset
   311
    }
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   312
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   313
    for (i = 0; i < ETH_ALEN; i++) {
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
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parents: 579
diff changeset
   314
        value = simple_strtoul(src, &rem, 16);
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   315
        if (rem != src + 2
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   316
                || value > 0xFF
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   317
                || (i < ETH_ALEN - 1 && *rem != ':')) {
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   318
            EC_ERR("Invalid MAC address \"%s\".\n", orig);
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   319
            return -EINVAL;
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   320
        }
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   321
        mac[i] = value;
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   322
        if (i < ETH_ALEN - 1)
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   323
            src = rem + 1; // skip colon
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   324
    }
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   325
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   326
    return 0;
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   327
}
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   328
196
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   329
/*****************************************************************************/
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   330
806
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
Florian Pose <fp@igh-essen.com>
parents: 794
diff changeset
   331
/** Outputs frame contents for debugging purposes.
1584
cd9a68fd5b89 ec_print_data: show only the first 128 and the last 128 bytes of a data block
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1583
diff changeset
   332
 * If the data block is larger than 256 bytes, only the first 128
cd9a68fd5b89 ec_print_data: show only the first 128 and the last 128 bytes of a data block
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1583
diff changeset
   333
 * and the last 128 bytes will be shown
806
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
Florian Pose <fp@igh-essen.com>
parents: 794
diff changeset
   334
 */
196
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   335
void ec_print_data(const uint8_t *data, /**< pointer to data */
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   336
                   size_t size /**< number of bytes to output */
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   337
                   )
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   338
{
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   339
    unsigned int i;
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   340
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   341
    EC_DBG("");
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   342
    for (i = 0; i < size; i++) {
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   343
        printk("%02X ", data[i]);
1930
59a50053ccc6 Made send_interval variable an unsigned int; fixed format specifiers for
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
   344
1469
873e4ee3d5ec Improved newlines in debug data output.
Florian Pose <fp@igh-essen.com>
parents: 1399
diff changeset
   345
        if ((i + 1) % 16 == 0 && i < size - 1) {
196
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   346
            printk("\n");
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   347
            EC_DBG("");
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   348
        }
1930
59a50053ccc6 Made send_interval variable an unsigned int; fixed format specifiers for
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
   349
59a50053ccc6 Made send_interval variable an unsigned int; fixed format specifiers for
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
   350
        if (i + 1 == 128 && size > 256) {
59a50053ccc6 Made send_interval variable an unsigned int; fixed format specifiers for
Florian Pose <fp@igh-essen.com>
parents: 1921
diff changeset
   351
            printk("dropped %zu bytes\n", size - 128 - i);
1583
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1579
diff changeset
   352
            i = size - 128;
1584
cd9a68fd5b89 ec_print_data: show only the first 128 and the last 128 bytes of a data block
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1583
diff changeset
   353
            EC_DBG("");
1583
017fa8fd9ac1 Each slave got its own SDO state machine (faster handling of external SDO requests)
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1579
diff changeset
   354
        }
196
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   355
    }
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   356
    printk("\n");
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   357
}
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   358
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   359
/*****************************************************************************/
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   360
806
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
Florian Pose <fp@igh-essen.com>
parents: 794
diff changeset
   361
/** Outputs frame contents and differences for debugging purposes.
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
Florian Pose <fp@igh-essen.com>
parents: 794
diff changeset
   362
 */
196
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   363
void ec_print_data_diff(const uint8_t *d1, /**< first data */
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   364
                        const uint8_t *d2, /**< second data */
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   365
                        size_t size /** number of bytes to output */
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   366
                        )
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   367
{
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   368
    unsigned int i;
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   369
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   370
    EC_DBG("");
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   371
    for (i = 0; i < size; i++) {
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   372
        if (d1[i] == d2[i]) printk(".. ");
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   373
        else printk("%02X ", d2[i]);
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   374
        if ((i + 1) % 16 == 0) {
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   375
            printk("\n");
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   376
            EC_DBG("");
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   377
        }
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   378
    }
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   379
    printk("\n");
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   380
}
f8a1e9f364a3 Introduced version number define.
Florian Pose <fp@igh-essen.com>
parents: 195
diff changeset
   381
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 249
diff changeset
   382
/*****************************************************************************/
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 249
diff changeset
   383
806
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
Florian Pose <fp@igh-essen.com>
parents: 794
diff changeset
   384
/** Prints slave states in clear text.
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
Florian Pose <fp@igh-essen.com>
parents: 794
diff changeset
   385
 */
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   386
size_t ec_state_string(uint8_t states, /**< slave states */
1337
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   387
                       char *buffer, /**< target buffer
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
   388
                                       (min. EC_STATE_STRING_SIZE bytes) */
1337
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   389
                       uint8_t multi /**< Show multi-state mask. */
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   390
                       )
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   391
{
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   392
    off_t off = 0;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 249
diff changeset
   393
    unsigned int first = 1;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 249
diff changeset
   394
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 249
diff changeset
   395
    if (!states) {
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   396
        off += sprintf(buffer + off, "(unknown)");
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   397
        return off;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 249
diff changeset
   398
    }
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 249
diff changeset
   399
1337
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   400
    if (multi) { // multiple slaves
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   401
        if (states & EC_SLAVE_STATE_INIT) {
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   402
            off += sprintf(buffer + off, "INIT");
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   403
            first = 0;
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   404
        }
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   405
        if (states & EC_SLAVE_STATE_PREOP) {
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   406
            if (!first) off += sprintf(buffer + off, ", ");
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   407
            off += sprintf(buffer + off, "PREOP");
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   408
            first = 0;
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   409
        }
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   410
        if (states & EC_SLAVE_STATE_SAFEOP) {
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   411
            if (!first) off += sprintf(buffer + off, ", ");
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   412
            off += sprintf(buffer + off, "SAFEOP");
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   413
            first = 0;
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   414
        }
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   415
        if (states & EC_SLAVE_STATE_OP) {
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   416
            if (!first) off += sprintf(buffer + off, ", ");
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   417
            off += sprintf(buffer + off, "OP");
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   418
        }
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   419
    } else { // single slave
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   420
        if ((states & EC_SLAVE_STATE_MASK) == EC_SLAVE_STATE_INIT) {
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   421
            off += sprintf(buffer + off, "INIT");
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   422
        } else if ((states & EC_SLAVE_STATE_MASK) == EC_SLAVE_STATE_PREOP) {
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   423
            off += sprintf(buffer + off, "PREOP");
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   424
        } else if ((states & EC_SLAVE_STATE_MASK) == EC_SLAVE_STATE_BOOT) {
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   425
            off += sprintf(buffer + off, "BOOT");
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   426
        } else if ((states & EC_SLAVE_STATE_MASK) == EC_SLAVE_STATE_SAFEOP) {
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   427
            off += sprintf(buffer + off, "SAFEOP");
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   428
        } else if ((states & EC_SLAVE_STATE_MASK) == EC_SLAVE_STATE_OP) {
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   429
            off += sprintf(buffer + off, "OP");
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   430
        } else {
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   431
            off += sprintf(buffer + off, "(invalid)");
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   432
        }
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 249
diff changeset
   433
        first = 0;
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 249
diff changeset
   434
    }
1337
0253c74d0940 merge -c1619 branches/1.4-foe: Implemented going to bootstrap state BOOT.
Florian Pose <fp@igh-essen.com>
parents: 1332
diff changeset
   435
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
   436
    if (states & EC_SLAVE_STATE_ACK_ERR) {
453
2ecaa53c6291 Changed output of ec_state_string() for error flag to "+ ERROR".
Florian Pose <fp@igh-essen.com>
parents: 448
diff changeset
   437
        if (!first) off += sprintf(buffer + off, " + ");
2ecaa53c6291 Changed output of ec_state_string() for error flag to "+ ERROR".
Florian Pose <fp@igh-essen.com>
parents: 448
diff changeset
   438
        off += sprintf(buffer + off, "ERROR");
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
   439
    }
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   440
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 321
diff changeset
   441
    return off;
251
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 249
diff changeset
   442
}
c1d0b63a9302 EoE in Free-Run mode; Finished slave configuration state machine.
Florian Pose <fp@igh-essen.com>
parents: 249
diff changeset
   443
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   444
/******************************************************************************
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   445
 *  Device interface
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   446
 *****************************************************************************/
33
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents: 27
diff changeset
   447
806
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
Florian Pose <fp@igh-essen.com>
parents: 794
diff changeset
   448
/** Offers an EtherCAT device to a certain master.
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
Florian Pose <fp@igh-essen.com>
parents: 794
diff changeset
   449
 *
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
Florian Pose <fp@igh-essen.com>
parents: 794
diff changeset
   450
 * The master decides, if it wants to use the device for EtherCAT operation,
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
Florian Pose <fp@igh-essen.com>
parents: 794
diff changeset
   451
 * or not. It is important, that the offered net_device is not used by the
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
Florian Pose <fp@igh-essen.com>
parents: 794
diff changeset
   452
 * kernel IP stack. If the master, accepted the offer, the address of the
1011
a0759d0dded4 Improved ecdev_offer().
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   453
 * newly created EtherCAT device is returned, else \a NULL is returned.
a0759d0dded4 Improved ecdev_offer().
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   454
 *
a0759d0dded4 Improved ecdev_offer().
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   455
 * \return Pointer to device, if accepted, or NULL if declined.
806
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
Florian Pose <fp@igh-essen.com>
parents: 794
diff changeset
   456
 * \ingroup DeviceInterface
ab8daaabbe48 Renamed master module parameters, re-formatted code documentation.
Florian Pose <fp@igh-essen.com>
parents: 794
diff changeset
   457
 */
1011
a0759d0dded4 Improved ecdev_offer().
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   458
ec_device_t *ecdev_offer(
a0759d0dded4 Improved ecdev_offer().
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   459
        struct net_device *net_dev, /**< net_device to offer */
573
cdee4ea90ce9 Introduced device IDs; removed comment lines from 8139too; removed
Florian Pose <fp@igh-essen.com>
parents: 572
diff changeset
   460
        ec_pollfunc_t poll, /**< device poll function */
1011
a0759d0dded4 Improved ecdev_offer().
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   461
        struct module *module /**< pointer to the module */
573
cdee4ea90ce9 Introduced device IDs; removed comment lines from 8139too; removed
Florian Pose <fp@igh-essen.com>
parents: 572
diff changeset
   462
        )
91
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 88
diff changeset
   463
{
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   464
    ec_master_t *master;
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   465
    char str[20];
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   466
    unsigned int i;
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   467
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   468
    for (i = 0; i < master_count; i++) {
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   469
        master = &masters[i];
700
a6b61f1a062d Broadcast MAC address accepts first device.
Florian Pose <fp@igh-essen.com>
parents: 653
diff changeset
   470
a6b61f1a062d Broadcast MAC address accepts first device.
Florian Pose <fp@igh-essen.com>
parents: 653
diff changeset
   471
        down(&master->device_sem);
a6b61f1a062d Broadcast MAC address accepts first device.
Florian Pose <fp@igh-essen.com>
parents: 653
diff changeset
   472
        if (master->main_device.dev) { // master already has a device
a6b61f1a062d Broadcast MAC address accepts first device.
Florian Pose <fp@igh-essen.com>
parents: 653
diff changeset
   473
            up(&master->device_sem);
a6b61f1a062d Broadcast MAC address accepts first device.
Florian Pose <fp@igh-essen.com>
parents: 653
diff changeset
   474
            continue;
a6b61f1a062d Broadcast MAC address accepts first device.
Florian Pose <fp@igh-essen.com>
parents: 653
diff changeset
   475
        }
a6b61f1a062d Broadcast MAC address accepts first device.
Florian Pose <fp@igh-essen.com>
parents: 653
diff changeset
   476
            
a6b61f1a062d Broadcast MAC address accepts first device.
Florian Pose <fp@igh-essen.com>
parents: 653
diff changeset
   477
        if (ec_mac_equal(master->main_mac, net_dev->dev_addr)
a6b61f1a062d Broadcast MAC address accepts first device.
Florian Pose <fp@igh-essen.com>
parents: 653
diff changeset
   478
                || ec_mac_is_broadcast(master->main_mac)) {
a6b61f1a062d Broadcast MAC address accepts first device.
Florian Pose <fp@igh-essen.com>
parents: 653
diff changeset
   479
            ec_mac_print(net_dev->dev_addr, str);
578
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   480
            EC_INFO("Accepting device %s for master %u.\n",
f402b4bd2f4d Removed ktype for module kobject; added backup device for master; device
Florian Pose <fp@igh-essen.com>
parents: 576
diff changeset
   481
                    str, master->index);
573
cdee4ea90ce9 Introduced device IDs; removed comment lines from 8139too; removed
Florian Pose <fp@igh-essen.com>
parents: 572
diff changeset
   482
579
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   483
            ec_device_attach(&master->main_device, net_dev, poll, module);
573
cdee4ea90ce9 Introduced device IDs; removed comment lines from 8139too; removed
Florian Pose <fp@igh-essen.com>
parents: 572
diff changeset
   484
            up(&master->device_sem);
579
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   485
            
1548
b4ad9d06962d Using snprintf for interface name.
Florian Pose <fp@igh-essen.com>
parents: 1469
diff changeset
   486
            snprintf(net_dev->name, IFNAMSIZ, "ec%u", master->index);
b4ad9d06962d Using snprintf for interface name.
Florian Pose <fp@igh-essen.com>
parents: 1469
diff changeset
   487
1011
a0759d0dded4 Improved ecdev_offer().
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   488
            return &master->main_device; // offer accepted
573
cdee4ea90ce9 Introduced device IDs; removed comment lines from 8139too; removed
Florian Pose <fp@igh-essen.com>
parents: 572
diff changeset
   489
        }
700
a6b61f1a062d Broadcast MAC address accepts first device.
Florian Pose <fp@igh-essen.com>
parents: 653
diff changeset
   490
        else {
a6b61f1a062d Broadcast MAC address accepts first device.
Florian Pose <fp@igh-essen.com>
parents: 653
diff changeset
   491
            up(&master->device_sem);
a6b61f1a062d Broadcast MAC address accepts first device.
Florian Pose <fp@igh-essen.com>
parents: 653
diff changeset
   492
a6b61f1a062d Broadcast MAC address accepts first device.
Florian Pose <fp@igh-essen.com>
parents: 653
diff changeset
   493
            if (master->debug_level) {
a6b61f1a062d Broadcast MAC address accepts first device.
Florian Pose <fp@igh-essen.com>
parents: 653
diff changeset
   494
                ec_mac_print(net_dev->dev_addr, str);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1826
diff changeset
   495
                EC_MASTER_DBG(master, 0, "Master declined device %s.\n",
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1826
diff changeset
   496
                        str);
700
a6b61f1a062d Broadcast MAC address accepts first device.
Florian Pose <fp@igh-essen.com>
parents: 653
diff changeset
   497
            }
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   498
        }
573
cdee4ea90ce9 Introduced device IDs; removed comment lines from 8139too; removed
Florian Pose <fp@igh-essen.com>
parents: 572
diff changeset
   499
    }
cdee4ea90ce9 Introduced device IDs; removed comment lines from 8139too; removed
Florian Pose <fp@igh-essen.com>
parents: 572
diff changeset
   500
1011
a0759d0dded4 Improved ecdev_offer().
Florian Pose <fp@igh-essen.com>
parents: 997
diff changeset
   501
    return NULL; // offer declined
497
04552130dd54 Re-introduced ecdev_open() and ecdev_close(), to avoid a race condition regarding the link state.
Florian Pose <fp@igh-essen.com>
parents: 495
diff changeset
   502
}
04552130dd54 Re-introduced ecdev_open() and ecdev_close(), to avoid a race condition regarding the link state.
Florian Pose <fp@igh-essen.com>
parents: 495
diff changeset
   503
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   504
/******************************************************************************
195
674071846ee3 Translated all comments and documentation to english language.
Florian Pose <fp@igh-essen.com>
parents: 191
diff changeset
   505
 *  Realtime interface
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   506
 *****************************************************************************/
33
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents: 27
diff changeset
   507
1312
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   508
/** Request a master.
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   509
 *
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   510
 * Same as ecrt_request_master(), but with ERR_PTR() return value.
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   511
 */
1332
d62633fea8ed merge -c1610 branches/stable-1.4: Added missing doxygen docs.
Florian Pose <fp@igh-essen.com>
parents: 1326
diff changeset
   512
ec_master_t *ecrt_request_master_err(
d62633fea8ed merge -c1610 branches/stable-1.4: Added missing doxygen docs.
Florian Pose <fp@igh-essen.com>
parents: 1326
diff changeset
   513
        unsigned int master_index /**< Master index. */
d62633fea8ed merge -c1610 branches/stable-1.4: Added missing doxygen docs.
Florian Pose <fp@igh-essen.com>
parents: 1326
diff changeset
   514
        )
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   515
{
1239
b50b93faaf3e Used ERR_PTR() macro for return value of ecrt_request_master().
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
   516
    ec_master_t *master, *errptr = NULL;
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   517
647
dc556a8c8fed Replaced master variable 'atomic_t available' by integer and used
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
   518
    EC_INFO("Requesting master %u...\n", master_index);
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   519
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   520
    if (master_index >= master_count) {
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   521
        EC_ERR("Invalid master index %u.\n", master_index);
1239
b50b93faaf3e Used ERR_PTR() macro for return value of ecrt_request_master().
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
   522
        errptr = ERR_PTR(-EINVAL);
639
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   523
        goto out_return;
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   524
    }
aa23c48dca2d Allow only MAC addresses as device identifiers; replaced master list by
Florian Pose <fp@igh-essen.com>
parents: 579
diff changeset
   525
    master = &masters[master_index];
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   526
1239
b50b93faaf3e Used ERR_PTR() macro for return value of ecrt_request_master().
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
   527
    if (down_interruptible(&master_sem)) {
b50b93faaf3e Used ERR_PTR() macro for return value of ecrt_request_master().
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
   528
        errptr = ERR_PTR(-EINTR);
1189
acc6430bfb32 Use down_interruptible() wherever possible.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
   529
        goto out_return;
1239
b50b93faaf3e Used ERR_PTR() macro for return value of ecrt_request_master().
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
   530
    }
1189
acc6430bfb32 Use down_interruptible() wherever possible.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
   531
647
dc556a8c8fed Replaced master variable 'atomic_t available' by integer and used
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
   532
    if (master->reserved) {
dc556a8c8fed Replaced master variable 'atomic_t available' by integer and used
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
   533
        up(&master_sem);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1826
diff changeset
   534
        EC_MASTER_ERR(master, "Master already in use!\n");
1239
b50b93faaf3e Used ERR_PTR() macro for return value of ecrt_request_master().
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
   535
        errptr = ERR_PTR(-EBUSY);
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   536
        goto out_return;
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   537
    }
647
dc556a8c8fed Replaced master variable 'atomic_t available' by integer and used
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
   538
    master->reserved = 1;
dc556a8c8fed Replaced master variable 'atomic_t available' by integer and used
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
   539
    up(&master_sem);
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   540
1239
b50b93faaf3e Used ERR_PTR() macro for return value of ecrt_request_master().
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
   541
    if (down_interruptible(&master->device_sem)) {
b50b93faaf3e Used ERR_PTR() macro for return value of ecrt_request_master().
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
   542
        errptr = ERR_PTR(-EINTR);
1189
acc6430bfb32 Use down_interruptible() wherever possible.
Florian Pose <fp@igh-essen.com>
parents: 1029
diff changeset
   543
        goto out_release;
1239
b50b93faaf3e Used ERR_PTR() macro for return value of ecrt_request_master().
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
   544
    }
648
0a6d38ec463f Made waiting for device semaphore uninterruptible.
Florian Pose <fp@igh-essen.com>
parents: 647
diff changeset
   545
    
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1014
diff changeset
   546
    if (master->phase != EC_IDLE) {
381
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   547
        up(&master->device_sem);
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1826
diff changeset
   548
        EC_MASTER_ERR(master, "Master still waiting for devices!\n");
1239
b50b93faaf3e Used ERR_PTR() macro for return value of ecrt_request_master().
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
   549
        errptr = ERR_PTR(-ENODEV);
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   550
        goto out_release;
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   551
    }
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   552
579
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   553
    if (!try_module_get(master->main_device.module)) {
381
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   554
        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
   555
        EC_ERR("Device module is unloading!\n");
1239
b50b93faaf3e Used ERR_PTR() macro for return value of ecrt_request_master().
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
   556
        errptr = ERR_PTR(-ENODEV);
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   557
        goto out_release;
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   558
    }
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   559
381
006d3653701d Fixed race on duplicate device registering or device unregistering while requesting master.
Florian Pose <fp@igh-essen.com>
parents: 378
diff changeset
   560
    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
   561
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1014
diff changeset
   562
    if (ec_master_enter_operation_phase(master)) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1826
diff changeset
   563
        EC_MASTER_ERR(master, "Failed to enter OPERATION phase!\n");
1239
b50b93faaf3e Used ERR_PTR() macro for return value of ecrt_request_master().
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
   564
        errptr = ERR_PTR(-EIO);
446
8fede404c01f Persistent slave lists.
Florian Pose <fp@igh-essen.com>
parents: 444
diff changeset
   565
        goto out_module_put;
377
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   566
    }
ecac8252f114 Changes in ecrt_request_master(); minor output changes.
Florian Pose <fp@igh-essen.com>
parents: 361
diff changeset
   567
647
dc556a8c8fed Replaced master variable 'atomic_t available' by integer and used
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
   568
    EC_INFO("Successfully requested master %u.\n", master_index);
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   569
    return master;
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   570
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   571
 out_module_put:
579
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   572
    module_put(master->main_device.module);
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   573
 out_release:
647
dc556a8c8fed Replaced master variable 'atomic_t available' by integer and used
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
   574
    master->reserved = 0;
191
ca805255a935 Prepared Free-Run mode
Florian Pose <fp@igh-essen.com>
parents: 184
diff changeset
   575
 out_return:
1239
b50b93faaf3e Used ERR_PTR() macro for return value of ecrt_request_master().
Florian Pose <fp@igh-essen.com>
parents: 1209
diff changeset
   576
    return errptr;
27
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
39
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents: 34
diff changeset
   579
/*****************************************************************************/
33
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents: 27
diff changeset
   580
1312
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   581
ec_master_t *ecrt_request_master(unsigned int master_index)
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   582
{
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   583
    ec_master_t *master = ecrt_request_master_err(master_index);
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   584
    return IS_ERR(master) ? NULL : master;
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   585
}
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   586
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   587
/*****************************************************************************/
74853e018898 Created backend versions of all API functions returing a pointer; using
Florian Pose <fp@igh-essen.com>
parents: 1279
diff changeset
   588
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   589
void ecrt_release_master(ec_master_t *master)
33
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents: 27
diff changeset
   590
{
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1826
diff changeset
   591
    EC_MASTER_INFO(master, "Releasing master...\n");
531
8d9339e7453f Warn on duplicate master releasing.
Florian Pose <fp@igh-essen.com>
parents: 525
diff changeset
   592
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 954
diff changeset
   593
    if (!master->reserved) {
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1826
diff changeset
   594
        EC_MASTER_WARN(master, "%s(): Master was was not requested!\n",
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1826
diff changeset
   595
                __func__);
531
8d9339e7453f Warn on duplicate master releasing.
Florian Pose <fp@igh-essen.com>
parents: 525
diff changeset
   596
        return;
8d9339e7453f Warn on duplicate master releasing.
Florian Pose <fp@igh-essen.com>
parents: 525
diff changeset
   597
    }
8d9339e7453f Warn on duplicate master releasing.
Florian Pose <fp@igh-essen.com>
parents: 525
diff changeset
   598
1029
61ffe5f22306 Renamed master 'mode' to 'phase'.
Florian Pose <fp@igh-essen.com>
parents: 1014
diff changeset
   599
    ec_master_leave_operation_phase(master);
151
1961b674466c Plugfest: master_open()/close() ausgelagert.
Florian Pose <fp@igh-essen.com>
parents: 127
diff changeset
   600
579
17c6fd3b076e Made master devices persistent; added ec_device_attach() and ec_device_detach().
Florian Pose <fp@igh-essen.com>
parents: 578
diff changeset
   601
    module_put(master->main_device.module);
647
dc556a8c8fed Replaced master variable 'atomic_t available' by integer and used
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
   602
    master->reserved = 0;
dc556a8c8fed Replaced master variable 'atomic_t available' by integer and used
Florian Pose <fp@igh-essen.com>
parents: 639
diff changeset
   603
1921
d9cf40facbc4 Improved syslog macros.
Florian Pose <fp@igh-essen.com>
parents: 1826
diff changeset
   604
    EC_MASTER_INFO(master, "Released.\n");
33
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents: 27
diff changeset
   605
}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents: 27
diff changeset
   606
39
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents: 34
diff changeset
   607
/*****************************************************************************/
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   608
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   609
unsigned int ecrt_version_magic(void)
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   610
{
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   611
    return ECRT_VERSION_MAGIC;
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   612
}
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   613
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   614
/*****************************************************************************/
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 758
diff changeset
   615
1209
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1189
diff changeset
   616
/** Global request state type translation table.
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1189
diff changeset
   617
 *
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1189
diff changeset
   618
 * Translates an internal request state to an external one.
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1189
diff changeset
   619
 */
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1189
diff changeset
   620
const ec_request_state_t ec_request_state_translation_table[] = {
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1189
diff changeset
   621
    EC_REQUEST_UNUSED,  // EC_INT_REQUEST_INIT,
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1189
diff changeset
   622
    EC_REQUEST_BUSY,    // EC_INT_REQUEST_QUEUED,
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1189
diff changeset
   623
    EC_REQUEST_BUSY,    // EC_INT_REQUEST_BUSY,
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1189
diff changeset
   624
    EC_REQUEST_SUCCESS, // EC_INT_REQUEST_SUCCESS,
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1189
diff changeset
   625
    EC_REQUEST_ERROR    // EC_INT_REQUEST_FAILURE
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1189
diff changeset
   626
};
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1189
diff changeset
   627
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1189
diff changeset
   628
/*****************************************************************************/
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1189
diff changeset
   629
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
   630
/** \cond */
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
   631
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   632
module_init(ec_init_module);
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   633
module_exit(ec_cleanup_module);
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   634
573
cdee4ea90ce9 Introduced device IDs; removed comment lines from 8139too; removed
Florian Pose <fp@igh-essen.com>
parents: 572
diff changeset
   635
EXPORT_SYMBOL(ecdev_offer);
997
652180478e95 Removed kobject from master and module. Sysfs is gone!
Florian Pose <fp@igh-essen.com>
parents: 954
diff changeset
   636
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
   637
EXPORT_SYMBOL(ecrt_request_master);
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
Florian Pose <fp@igh-essen.com>
parents: 101
diff changeset
   638
EXPORT_SYMBOL(ecrt_release_master);
545
6c4322e118d6 Added EXPORT macro for ecrt_version_magic().
Florian Pose <fp@igh-essen.com>
parents: 541
diff changeset
   639
EXPORT_SYMBOL(ecrt_version_magic);
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   640
199
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
   641
/** \endcond */
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
   642
04ecf40fc2e9 Doxygen added interface modules and file documentation.
Florian Pose <fp@igh-essen.com>
parents: 197
diff changeset
   643
/*****************************************************************************/