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83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
/******************************************************************************
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*
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* e t h e r n e t . h
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*
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* Ethernet-over-EtherCAT (EoE)
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*
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* $Id$
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*
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* Copyright (C) 2006 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
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* and/or modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; version 2 of the License.
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*
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* The IgH EtherCAT Master is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General 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
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* along 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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#include <linux/list.h>
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#include "../include/ecrt.h"
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#include "globals.h"
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#include "slave.h"
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#include "command.h"
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/*****************************************************************************/
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/**
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\defgroup EoE EtherCAT-over-Ethernet (EoE)
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Data types and functions for Ethernet-over-EtherCAT.
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\{
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*/
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/*****************************************************************************/
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/**
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State of an EoE object.
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*/
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typedef enum
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{
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EC_EOE_IDLE, /**< Idle. The next step ist to check for data. */
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EC_EOE_CHECKING, /**< Checking frame was sent. */
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EC_EOE_FETCHING /**< There is new data. Fetching frame was sent. */
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}
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ec_eoe_state_t;
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/*****************************************************************************/
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/**
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Ethernet-over-EtherCAT (EoE) Object.
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The master creates one of these objects for each slave that supports the
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EoE protocol.
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*/
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typedef struct
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{
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struct list_head list; /**< list item */
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ec_slave_t *slave; /**< pointer to the corresponding slave */
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ec_eoe_state_t rx_state; /**< state of the state machine */
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}
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ec_eoe_t;
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/** \} */
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/*****************************************************************************/
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void ec_eoe_init(ec_eoe_t *, ec_slave_t *);
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void ec_eoe_clear(ec_eoe_t *);
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void ec_eoe_run(ec_eoe_t *);
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void ec_eoe_print(const ec_eoe_t *);
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/*****************************************************************************/
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