65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
/*****************************************************************************
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*
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* Copyright (C) 2006-2008 Florian Pose, Ingenieurgemeinschaft IgH
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*
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* This file is part of the IgH EtherCAT Master.
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*
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* The IgH EtherCAT Master is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version 2, as
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* published by the Free Software Foundation.
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*
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* The IgH EtherCAT Master is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with the IgH EtherCAT Master; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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****************************************************************************/
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/**
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\file
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Mailbox functionality.
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*/
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/****************************************************************************/
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#ifndef __EC_MAILBOX_H__
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#define __EC_MAILBOX_H__
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#include "slave.h"
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/****************************************************************************/
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/** Size of the mailbox header.
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*/
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#define EC_MBOX_HEADER_SIZE 6
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/** Mailbox types.
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*
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* These are used in the 'Type' field of the mailbox header.
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*/
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enum {
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EC_MBOX_TYPE_EOE = 0x02,
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EC_MBOX_TYPE_COE = 0x03,
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EC_MBOX_TYPE_FOE = 0x04,
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EC_MBOX_TYPE_SOE = 0x05,
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EC_MBOX_TYPE_VOE = 0x0f,
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};
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/****************************************************************************/
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uint8_t *ec_slave_mbox_prepare_send(const ec_slave_t *, ec_datagram_t *,
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uint8_t, size_t);
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int ec_slave_mbox_prepare_check(const ec_slave_t *, ec_datagram_t *);
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int ec_slave_mbox_check(const ec_datagram_t *);
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int ec_slave_mbox_prepare_fetch(const ec_slave_t *, ec_datagram_t *);
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uint8_t *ec_slave_mbox_fetch(const ec_slave_t *, const ec_datagram_t *,
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uint8_t *, size_t *);
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/****************************************************************************/
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#endif
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