master/datagram_pair.c
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     1 /******************************************************************************
       
     2  *
       
     3  *  $Id$
       
     4  *
       
     5  *  Copyright (C) 2006-2012  Florian Pose, Ingenieurgemeinschaft IgH
       
     6  *
       
     7  *  This file is part of the IgH EtherCAT Master.
       
     8  *
       
     9  *  The IgH EtherCAT Master is free software; you can redistribute it and/or
       
    10  *  modify it under the terms of the GNU General Public License version 2, as
       
    11  *  published by the Free Software Foundation.
       
    12  *
       
    13  *  The IgH EtherCAT Master is distributed in the hope that it will be useful,
       
    14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
       
    15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
       
    16  *  Public License for more details.
       
    17  *
       
    18  *  You should have received a copy of the GNU General Public License along
       
    19  *  with the IgH EtherCAT Master; if not, write to the Free Software
       
    20  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
       
    21  *
       
    22  *  ---
       
    23  *
       
    24  *  The license mentioned above concerns the source code only. Using the
       
    25  *  EtherCAT technology and brand is only permitted in compliance with the
       
    26  *  industrial property and similar rights of Beckhoff Automation GmbH.
       
    27  *
       
    28  *****************************************************************************/
       
    29 
       
    30 /**
       
    31    \file
       
    32    EtherCAT datagram pair methods.
       
    33 */
       
    34 
       
    35 /*****************************************************************************/
       
    36 
       
    37 #include "datagram_pair.h"
       
    38 
       
    39 /*****************************************************************************/
       
    40 
       
    41 /** Datagram pair constructor.
       
    42  */
       
    43 void ec_datagram_pair_init(
       
    44         ec_datagram_pair_t *pair /**< Datagram pair. */
       
    45         )
       
    46 {
       
    47     unsigned int i;
       
    48 
       
    49     INIT_LIST_HEAD(&pair->list);
       
    50 
       
    51     for (i = 0; i < EC_NUM_DEVICES; i++) {
       
    52         ec_datagram_init(&pair->datagrams[i]);
       
    53     }
       
    54 }
       
    55 
       
    56 /*****************************************************************************/
       
    57 
       
    58 /** Datagram pair destructor.
       
    59  */
       
    60 void ec_datagram_pair_clear(
       
    61         ec_datagram_pair_t *pair /**< Datagram pair. */
       
    62         )
       
    63 {
       
    64     unsigned int i;
       
    65 
       
    66     for (i = 0; i < EC_NUM_DEVICES; i++) {
       
    67         ec_datagram_clear(&pair->datagrams[i]);
       
    68     }
       
    69 }
       
    70 
       
    71 /*****************************************************************************/