master/module.c
author Florian Pose <fp@igh-essen.com>
Mon, 10 Apr 2006 14:25:02 +0000
changeset 178 b84f69db8566
parent 161 ddb7266d1c56
child 184 2fc86cec12df
permissions -rw-r--r--
MERGE branches/sysfs -> trunk (whole SysFS implementation)
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/******************************************************************************
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 *
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 *  m o d u l e . c
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 *
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 *  EtherCAT-Master-Treiber
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 *
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 *  Autoren: Wilhelm Hagemeister, Florian Pose
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 *
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 *  $Id$
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 *
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 *  (C) Copyright IgH 2005
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 *  Ingenieurgemeinschaft IgH
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 *  Heinz-Bäcker Str. 34
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 *  D-45356 Essen
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 *  Tel.: +49 201/61 99 31
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 *  Fax.: +49 201/61 98 36
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 *  E-mail: sp@igh-essen.com
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 *
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 *****************************************************************************/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include "master.h"
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#include "device.h"
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/*****************************************************************************/
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int __init ec_init_module(void);
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void __exit ec_cleanup_module(void);
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c0405659a74a Neues Interface.
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/*****************************************************************************/
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#define EC_LIT(X) #X
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#define EC_STR(X) EC_LIT(X)
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#define COMPILE_INFO "Revision " EC_STR(SVNREV) \
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                     ", compiled by " EC_STR(USER) \
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                     " at " __DATE__ " " __TIME__
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/*****************************************************************************/
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static int ec_master_count = 1;
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static struct list_head ec_masters;
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/*****************************************************************************/
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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(COMPILE_INFO);
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module_param(ec_master_count, int, 1);
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MODULE_PARM_DESC(ec_master_count, "Number of EtherCAT master to initialize.");
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/*****************************************************************************/
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/**
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   Init-Funktion des EtherCAT-Master-Treibermodules
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   Initialisiert soviele Master, wie im Parameter ec_master_count
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   angegeben wurde (Default ist 1).
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   \return 0 wenn alles ok, < 0 bei ungültiger Anzahl Master
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           oder zu wenig Speicher.
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*/
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int __init ec_init_module(void)
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{
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    unsigned int i;
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    ec_master_t *master, *next;
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    EC_INFO("Master driver, %s\n", COMPILE_INFO);
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    if (ec_master_count < 1) {
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        EC_ERR("Error - Invalid ec_master_count: %i\n", ec_master_count);
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        goto out_return;
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    }
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    EC_INFO("Initializing %i EtherCAT master(s)...\n", ec_master_count);
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    INIT_LIST_HEAD(&ec_masters);
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    for (i = 0; i < ec_master_count; i++) {
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        if (!(master =
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              (ec_master_t *) kmalloc(sizeof(ec_master_t), GFP_KERNEL))) {
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            EC_ERR("Failed to allocate memory for EtherCAT master %i.\n", i);
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            goto out_free;
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        }
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        if (ec_master_init(master, i)) // kobject_put is done inside...
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            goto out_free;
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        if (kobject_add(&master->kobj)) {
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            EC_ERR("Failed to add kobj.\n");
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            kobject_put(&master->kobj); // free master
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            goto out_free;
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        }
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        list_add_tail(&master->list, &ec_masters);
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    }
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    EC_INFO("Master driver initialized.\n");
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    return 0;
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 out_free:
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    list_for_each_entry_safe(master, next, &ec_masters, list) {
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        list_del(&master->list);
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        kobject_del(&master->kobj);
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        kobject_put(&master->kobj);
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    }
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 out_return:
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    return -1;
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}
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/*****************************************************************************/
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/**
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   Cleanup-Funktion des EtherCAT-Master-Treibermoduls
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   Entfernt alle Master-Instanzen.
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*/
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void __exit ec_cleanup_module(void)
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{
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    ec_master_t *master, *next;
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    EC_INFO("Cleaning up master driver...\n");
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178
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    list_for_each_entry_safe(master, next, &ec_masters, list) {
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        list_del(&master->list);
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        kobject_del(&master->kobj);
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        kobject_put(&master->kobj); // free master
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    }
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    EC_INFO("Master driver cleaned up.\n");
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}
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178
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/*****************************************************************************/
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/**
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   Gets a handle to a certain master.
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   \returns pointer to master
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*/
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ec_master_t *ec_find_master(unsigned int master_index)
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{
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    ec_master_t *master;
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    list_for_each_entry(master, &ec_masters, list) {
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        if (master->index == master_index) return master;
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    }
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    EC_ERR("Master %i does not exist!\n", master_index);
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    return NULL;
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}
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/******************************************************************************
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 *
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 * Treiberschnittstelle
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 *
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 *****************************************************************************/
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/**
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   Registeriert das EtherCAT-Geraet fuer einen EtherCAT-Master.
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   \return 0 wenn alles ok, oder < 0 wenn bereits ein Gerät registriert
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           oder das Geraet nicht geöffnet werden konnte.
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*/
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104
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ec_device_t *ecdev_register(unsigned int master_index,
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                            /**< Index des EtherCAT-Masters */
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                            struct net_device *net_dev,
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                            /**< net_device des EtherCAT-Gerätes */
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                            ec_isr_t isr,
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                            /**< Interrupt-Service-Routine */
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                            struct module *module
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                            /**< Zeiger auf das Modul */
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                            )
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{
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    ec_master_t *master;
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    if (!net_dev) {
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        EC_WARN("Device is NULL!\n");
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        return NULL;
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    }
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    if (!(master = ec_find_master(master_index))) return NULL;
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    // critical section start
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    if (master->device) {
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        EC_ERR("Master %i already has a device!\n", master_index);
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        return NULL;
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    }
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178
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    if (!(master->device =
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          (ec_device_t *) kmalloc(sizeof(ec_device_t), GFP_KERNEL))) {
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        EC_ERR("Failed to allocate device!\n");
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        return NULL;
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    }
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    // critical section end
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    if (ec_device_init(master->device, master, net_dev, isr, module)) {
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        kfree(master->device);
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        master->device = NULL;
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        return NULL;
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    }
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    return master->device;
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}
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/*****************************************************************************/
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/**
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   Hebt die Registrierung eines EtherCAT-Gerätes auf.
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*/
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void ecdev_unregister(unsigned int master_index,
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                      /**< Index des EtherCAT-Masters */
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                      ec_device_t *device
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                      /**< EtherCAT-Geraet */
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                      )
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{
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    ec_master_t *master;
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    if (master_index >= ec_master_count) {
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        EC_WARN("Master %i does not exist!\n", master_index);
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        return;
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    }
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    if (!(master = ec_find_master(master_index))) return;
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    if (!master->device || master->device != device) {
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        EC_WARN("Unable to unregister device!\n");
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        return;
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    }
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    ec_device_clear(master->device);
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    kfree(master->device);
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    master->device = NULL;
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}
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/******************************************************************************
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 *
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 * Echtzeitschnittstelle
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diff changeset
   247
 *
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   248
 *****************************************************************************/
33
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
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parents: 27
diff changeset
   249
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
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diff changeset
   250
/**
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
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parents: 27
diff changeset
   251
   Reserviert einen bestimmten EtherCAT-Master und das zugehörige Gerät.
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents: 27
diff changeset
   252
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents: 27
diff changeset
   253
   Gibt einen Zeiger auf den reservierten EtherCAT-Master zurueck.
27
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
91
0120d6214948 Code-Dokumentation angepasst.
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parents: 88
diff changeset
   255
   \return Zeiger auf EtherCAT-Master oder NULL, wenn Parameter ungueltig.
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parents: 88
diff changeset
   256
*/
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 88
diff changeset
   257
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
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diff changeset
   258
ec_master_t *ecrt_request_master(unsigned int master_index
104
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
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parents: 101
diff changeset
   259
                                 /**< EtherCAT-Master-Index */
052bc82d5442 MERGE branches/async -> trunk (alle Unterschiede ?bernommen)
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   260
                                 )
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
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diff changeset
   261
{
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
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parents: 64
diff changeset
   262
    ec_master_t *master;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   263
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
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parents: 161
diff changeset
   264
    EC_INFO("Requesting master %i...\n", master_index);
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
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diff changeset
   265
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
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   266
    if (!(master = ec_find_master(master_index))) goto req_return;
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
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parents: 161
diff changeset
   267
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
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parents: 161
diff changeset
   268
    // begin critical section
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diff changeset
   269
    if (master->reserved) {
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
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diff changeset
   270
        EC_ERR("Master %i is already in use!\n", master_index);
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   271
        goto req_return;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
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diff changeset
   272
    }
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
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   273
    master->reserved = 1;
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   274
    // end critical section
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
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diff changeset
   275
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
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   276
    if (!master->device) {
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
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   277
        EC_ERR("Master %i has no assigned device!\n", master_index);
151
1961b674466c Plugfest: master_open()/close() ausgelagert.
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diff changeset
   278
        goto req_release;
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
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diff changeset
   279
    }
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
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diff changeset
   280
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
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   281
    if (!try_module_get(master->device->module)) {
84
b4ae98855cea printk durch Makros ersetzt.
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diff changeset
   282
        EC_ERR("Failed to reserve device module!\n");
151
1961b674466c Plugfest: master_open()/close() ausgelagert.
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diff changeset
   283
        goto req_release;
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diff changeset
   284
    }
1961b674466c Plugfest: master_open()/close() ausgelagert.
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   285
1961b674466c Plugfest: master_open()/close() ausgelagert.
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diff changeset
   286
    if (ec_device_open(master->device)) {
84
b4ae98855cea printk durch Makros ersetzt.
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parents: 79
diff changeset
   287
        EC_ERR("Failed to open device!\n");
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   288
        goto req_module_put;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   289
    }
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   290
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
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parents: 161
diff changeset
   291
    if (!master->device->link_state) EC_WARN("Link is DOWN.\n");
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
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parents: 161
diff changeset
   292
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
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diff changeset
   293
    if (ec_master_bus_scan(master)) {
84
b4ae98855cea printk durch Makros ersetzt.
Florian Pose <fp@igh-essen.com>
parents: 79
diff changeset
   294
        EC_ERR("Bus scan failed!\n");
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   295
        goto req_close;
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   296
    }
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   297
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
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diff changeset
   298
    EC_INFO("Master %i is ready.\n", master_index);
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   299
    return master;
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   300
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   301
 req_close:
151
1961b674466c Plugfest: master_open()/close() ausgelagert.
Florian Pose <fp@igh-essen.com>
parents: 127
diff changeset
   302
    if (ec_device_close(master->device))
1961b674466c Plugfest: master_open()/close() ausgelagert.
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parents: 127
diff changeset
   303
        EC_WARN("Warning - Failed to close device!\n");
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
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parents: 52
diff changeset
   304
 req_module_put:
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 91
diff changeset
   305
    module_put(master->device->module);
85
eb24637883ef Master wird nach nicht erfolgreichem Request resettet.
Florian Pose <fp@igh-essen.com>
parents: 84
diff changeset
   306
    ec_master_reset(master);
151
1961b674466c Plugfest: master_open()/close() ausgelagert.
Florian Pose <fp@igh-essen.com>
parents: 127
diff changeset
   307
 req_release:
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   308
    master->reserved = 0;
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   309
 req_return:
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   310
    EC_ERR("Failed requesting master %i.\n", master_index);
73
9f4ea66d89a3 Dynamische FMMU-Konfiguration, zwei Kopieroperationen eingespart, Einr?ckungen angepasst.
Florian Pose <fp@igh-essen.com>
parents: 64
diff changeset
   311
    return NULL;
27
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
}
d75ef6b46e33 EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
39
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents: 34
diff changeset
   314
/*****************************************************************************/
33
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents: 27
diff changeset
   315
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents: 27
diff changeset
   316
/**
42
a22a202d0f42 Domains, Warten beim Senden, 10kHz.
Florian Pose <fp@igh-essen.com>
parents: 39
diff changeset
   317
   Gibt einen zuvor angeforderten EtherCAT-Master wieder frei.
91
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 88
diff changeset
   318
*/
0120d6214948 Code-Dokumentation angepasst.
Florian Pose <fp@igh-essen.com>
parents: 88
diff changeset
   319
151
1961b674466c Plugfest: master_open()/close() ausgelagert.
Florian Pose <fp@igh-essen.com>
parents: 127
diff changeset
   320
void ecrt_release_master(ec_master_t *master /**< EtherCAT-Master */)
33
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents: 27
diff changeset
   321
{
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   322
    EC_INFO("Releasing master %i...\n", master->index);
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   323
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   324
    if (!master->reserved) {
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   325
        EC_ERR("Master %i was never requested!\n", master->index);
88
98335157e54e Bessere Ausgaben beim Starten und beenden.
Florian Pose <fp@igh-essen.com>
parents: 85
diff changeset
   326
        return;
98335157e54e Bessere Ausgaben beim Starten und beenden.
Florian Pose <fp@igh-essen.com>
parents: 85
diff changeset
   327
    }
98335157e54e Bessere Ausgaben beim Starten und beenden.
Florian Pose <fp@igh-essen.com>
parents: 85
diff changeset
   328
98335157e54e Bessere Ausgaben beim Starten und beenden.
Florian Pose <fp@igh-essen.com>
parents: 85
diff changeset
   329
    ec_master_reset(master);
98335157e54e Bessere Ausgaben beim Starten und beenden.
Florian Pose <fp@igh-essen.com>
parents: 85
diff changeset
   330
151
1961b674466c Plugfest: master_open()/close() ausgelagert.
Florian Pose <fp@igh-essen.com>
parents: 127
diff changeset
   331
    if (ec_device_close(master->device))
1961b674466c Plugfest: master_open()/close() ausgelagert.
Florian Pose <fp@igh-essen.com>
parents: 127
diff changeset
   332
        EC_WARN("Warning - Failed to close device!\n");
1961b674466c Plugfest: master_open()/close() ausgelagert.
Florian Pose <fp@igh-essen.com>
parents: 127
diff changeset
   333
98
f564d0929292 MERGE branches/async 222:233 -> trunk (Kommando-Warteschlangen).
Florian Pose <fp@igh-essen.com>
parents: 91
diff changeset
   334
    module_put(master->device->module);
178
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   335
    master->reserved = 0;
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   336
b84f69db8566 MERGE branches/sysfs -> trunk (whole SysFS implementation)
Florian Pose <fp@igh-essen.com>
parents: 161
diff changeset
   337
    EC_INFO("Released master %i.\n", master->index);
88
98335157e54e Bessere Ausgaben beim Starten und beenden.
Florian Pose <fp@igh-essen.com>
parents: 85
diff changeset
   338
    return;
33
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents: 27
diff changeset
   339
}
f4171b8aadf8 Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents: 27
diff changeset
   340
39
6965c23a6826 likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents: 34
diff changeset
   341
/*****************************************************************************/
54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Florian Pose <fp@igh-essen.com>
parents: 52
diff changeset
   342
152
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   343
/**
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   344
   Gibt Frame-Inhalte zwecks Debugging aus.
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   345
*/
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   346
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   347
void ec_print_data(const uint8_t *data, size_t size)
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   348
{
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   349
    unsigned int i;
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   350
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   351
    EC_DBG("");
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   352
    for (i = 0; i < size; i++) {
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   353
        printk("%02X ", data[i]);
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   354
        if ((i + 1) % 16 == 0) {
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   355
            printk("\n");
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   356
            EC_DBG("");
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   357
        }
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   358
    }
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   359
    printk("\n");
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   360
}
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   361
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   362
/*****************************************************************************/
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   363
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   364
/**
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   365
   Gibt Frame-Inhalte zwecks Debugging aus, differentiell.
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   366
*/
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   367
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
parents: 151
diff changeset
   368
void ec_print_data_diff(const uint8_t *d1, /**< Daten 1 */
9654f3cf588d Plugfest: Globale Debug-Funktionen f?r Frame-Daten.
Florian Pose <fp@igh-essen.com>
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                        const uint8_t *d2, /**< Daten 2 */
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                        size_t size /** Anzahl Bytes */
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                        )
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{
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    unsigned int i;
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    EC_DBG("");
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    for (i = 0; i < size; i++) {
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        if (d1[i] == d2[i]) printk(".. ");
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        else printk("%02X ", d2[i]);
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        if ((i + 1) % 16 == 0) {
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            printk("\n");
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            EC_DBG("");
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        }
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    }
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    printk("\n");
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}
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/*****************************************************************************/
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54
7506e67dd122 Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
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module_init(ec_init_module);
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module_exit(ec_cleanup_module);
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104
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EXPORT_SYMBOL(ecdev_register);
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EXPORT_SYMBOL(ecdev_unregister);
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EXPORT_SYMBOL(ecrt_request_master);
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EXPORT_SYMBOL(ecrt_release_master);
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/*****************************************************************************/
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059a9e712aa7 Mit neuer Schnittstelle wieder lauff?hig.
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/* Emacs-Konfiguration
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;;; Local Variables: ***
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;;; c-basic-offset:4 ***
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;;; End: ***
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*/