master/sdo_entry.c
author Florian Pose <fp@igh-essen.com>
Thu, 31 Jul 2008 16:13:29 +0000
changeset 1174 235f34ca50e2
parent 991 2548ca639b1f
child 1326 ef907b0b5125
permissions -rw-r--r--
Major Pdo configuration change: Read mapping of unknown Pdos during
configuration.
/******************************************************************************
 *
 *  $Id$
 *
 *  Copyright (C) 2006  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
 *  as published by the Free Software Foundation; either version 2 of the
 *  License, or (at your option) any later version.
 *
 *  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 right to use EtherCAT Technology is granted and comes free of
 *  charge under condition of compatibility of product made by
 *  Licensee. People intending to distribute/sell products based on the
 *  code, have to sign an agreement to guarantee that products using
 *  software based on IgH EtherCAT master stay compatible with the actual
 *  EtherCAT specification (which are released themselves as an open
 *  standard) as the (only) precondition to have the right to use EtherCAT
 *  Technology, IP and trade marks.
 *
 *****************************************************************************/

/**
   \file
   CANopen-over-EtherCAT Sdo entry functions.
*/

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

#include <linux/slab.h>

#include "sdo_entry.h"

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

/** Constructor.
 */
void ec_sdo_entry_init(
        ec_sdo_entry_t *entry, /**< Sdo entry. */
        ec_sdo_t *sdo, /**< Parent Sdo. */
        uint8_t subindex /**< Subindex. */
        )
{
    entry->sdo = sdo;
    entry->subindex = subindex;
    entry->data_type = 0x0000;
    entry->bit_length = 0;
    entry->description = NULL;
}

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

/** Destructor.
 */
void ec_sdo_entry_clear(
        ec_sdo_entry_t *entry /**< Sdo entry. */
        )
{

    if (entry->description)
        kfree(entry->description);
}

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