fp@2269: /******************************************************************************
fp@2269:  *
fp@2269:  *  $Id$
fp@2269:  *
fp@2269:  *  Copyright (C) 2006-2012  Florian Pose, Ingenieurgemeinschaft IgH
fp@2269:  *
fp@2269:  *  This file is part of the IgH EtherCAT Master.
fp@2269:  *
fp@2269:  *  The IgH EtherCAT Master is free software; you can redistribute it and/or
fp@2269:  *  modify it under the terms of the GNU General Public License version 2, as
fp@2269:  *  published by the Free Software Foundation.
fp@2269:  *
fp@2269:  *  The IgH EtherCAT Master is distributed in the hope that it will be useful,
fp@2269:  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
fp@2269:  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
fp@2269:  *  Public License for more details.
fp@2269:  *
fp@2269:  *  You should have received a copy of the GNU General Public License along
fp@2269:  *  with the IgH EtherCAT Master; if not, write to the Free Software
fp@2269:  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
fp@2269:  *
fp@2269:  *  ---
fp@2269:  *
fp@2269:  *  The license mentioned above concerns the source code only. Using the
fp@2269:  *  EtherCAT technology and brand is only permitted in compliance with the
fp@2269:  *  industrial property and similar rights of Beckhoff Automation GmbH.
fp@2269:  *
fp@2269:  *****************************************************************************/
fp@2269: 
fp@2269: /**
fp@2269:    \file
fp@2269:    EtherCAT datagram pair structure.
fp@2269: */
fp@2269: 
fp@2269: /*****************************************************************************/
fp@2269: 
fp@2269: #ifndef __EC_DATAGRAM_PAIR_H__
fp@2269: #define __EC_DATAGRAM_PAIR_H__
fp@2269: 
fp@2269: #include <linux/list.h>
fp@2269: 
fp@2269: #include "globals.h"
fp@2269: #include "datagram.h"
fp@2269: 
fp@2269: /*****************************************************************************/
fp@2269: 
fp@2269: /** Domain datagram pair.
fp@2269:  */
fp@2269: typedef struct {
fp@2269:     struct list_head list; /**< List header. */
fp@2367:     ec_domain_t *domain;
fp@2269:     ec_datagram_t datagrams[EC_NUM_DEVICES]; /**< Main and backup datagram.
fp@2269:                                                */
fp@2367:     uint8_t *send_buffer;
fp@2367:     unsigned int expected_working_counter; /**< Expectord working conter. */
fp@2269: } ec_datagram_pair_t;
fp@2269: 
fp@2269: /*****************************************************************************/
fp@2269: 
fp@2367: int ec_datagram_pair_init(ec_datagram_pair_t *, ec_domain_t *, uint32_t,
fp@2367:         uint8_t *, size_t, const unsigned int []);
fp@2269: void ec_datagram_pair_clear(ec_datagram_pair_t *);
fp@2269: 
fp@2368: uint16_t ec_datagram_pair_process(ec_datagram_pair_t *,
fp@2368:         uint16_t[EC_NUM_DEVICES]);
fp@2367: 
fp@2269: /*****************************************************************************/
fp@2269: 
fp@2269: #endif