master/device.h
author Florian Pose <fp@igh-essen.com>
Tue, 25 Apr 2006 12:04:04 +0000
changeset 204 5ab50514d9b2
parent 199 04ecf40fc2e9
child 231 767548c75bf3
permissions -rw-r--r--
Locking callback interface.
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/******************************************************************************
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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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/**
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   \file
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   EtherCAT device structure.
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*/
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/*****************************************************************************/
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#ifndef _EC_DEVICE_H_
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#define _EC_DEVICE_H_
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#include <linux/interrupt.h>
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#include "../include/ecrt.h"
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#include "../devices/ecdev.h"
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#include "globals.h"
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/*****************************************************************************/
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/**
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   EtherCAT device.
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   An EtherCAT device is a network interface card, that is owned by an
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   EtherCAT master to send and receive EtherCAT frames with.
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*/
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struct ec_device
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{
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    ec_master_t *master; /**< EtherCAT master */
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    struct net_device *dev; /**< pointer to the assigned net_device */
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    uint8_t open; /**< true, if the net_device has been opened */
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    struct sk_buff *tx_skb; /**< transmit socket buffer */
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    ec_isr_t isr; /**< pointer to the device's interrupt service routine */
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    struct module *module; /**< pointer to the device's owning module */
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    uint8_t link_state; /**< device link state */
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};
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/*****************************************************************************/
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int ec_device_init(ec_device_t *, ec_master_t *, struct net_device *,
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                   ec_isr_t, struct module *);
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void ec_device_clear(ec_device_t *);
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int ec_device_open(ec_device_t *);
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int ec_device_close(ec_device_t *);
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void ec_device_call_isr(ec_device_t *);
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uint8_t *ec_device_tx_data(ec_device_t *);
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void ec_device_send(ec_device_t *, size_t);
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/*****************************************************************************/
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#endif