master/sdo_entry.h
author Patrick Bruenn <p.bruenn@beckhoff.com>
Tue, 12 Apr 2016 11:17:36 +0200
branchstable-1.5
changeset 2654 b3f6b3e5ef29
parent 1382 cb2188d111f3
permissions -rw-r--r--
devices/ccat: revert "limit rx processing to one frame per poll"

revert "limit rx processing to one frame per poll", which caused etherlab
frame timeouts in setups with more than one frame per cycle.
/******************************************************************************
 *
 *  $Id$
 *
 *  Copyright (C) 2006-2008  Florian Pose, Ingenieurgemeinschaft IgH
 *
 *  This file is part of the IgH EtherCAT Master.
 *
 *  The IgH EtherCAT Master is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License version 2, as
 *  published by the Free Software Foundation.
 *
 *  The IgH EtherCAT Master is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
 *  Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with the IgH EtherCAT Master; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 *  ---
 *
 *  The license mentioned above concerns the source code only. Using the
 *  EtherCAT technology and brand is only permitted in compliance with the
 *  industrial property and similar rights of Beckhoff Automation GmbH.
 *
 *****************************************************************************/

/**
   \file
   EtherCAT CANopen SDO entry structure.
*/

/*****************************************************************************/

#ifndef __EC_SDO_ENTRY_H__
#define __EC_SDO_ENTRY_H__

#include <linux/list.h>
#include <linux/kobject.h>

#include "globals.h"

/*****************************************************************************/

struct ec_sdo;
typedef struct ec_sdo ec_sdo_t; /**< \see ec_sdo. */

/*****************************************************************************/

/** CANopen SDO entry.
 */
typedef struct {
    struct list_head list; /**< List item. */
    ec_sdo_t *sdo; /**< Parent SDO. */
    uint8_t subindex; /**< Subindex. */
    uint16_t data_type; /**< Data type. */
    uint16_t bit_length; /**< Data size in bit. */
    uint8_t read_access[EC_SDO_ENTRY_ACCESS_COUNT]; /**< Read access. */
    uint8_t write_access[EC_SDO_ENTRY_ACCESS_COUNT]; /**< Write access. */
    char *description; /**< Description. */
} ec_sdo_entry_t;

/*****************************************************************************/

void ec_sdo_entry_init(ec_sdo_entry_t *, ec_sdo_t *, uint8_t);
void ec_sdo_entry_clear(ec_sdo_entry_t *);

/*****************************************************************************/

#endif