devices/ecdev.h
author Florian Pose <fp@igh-essen.com>
Mon, 29 Dec 2008 14:10:27 +0000
branchstable-1.4
changeset 1685 399ef727bf62
parent 1011 a0759d0dded4
child 1363 11c0b2caa253
permissions -rw-r--r--
Changed licence headers to avoid conflicts with the GPL; restricted licence to GPLv2 only.
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/******************************************************************************
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 *
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 *  $Id$
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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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 *  Using the EtherCAT technology and brand is permitted in compliance with
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 *  the industrial property and similar rights of Beckhoff Automation GmbH.
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 *
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 *****************************************************************************/
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/** \file
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 *
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 * EtherCAT interface for EtherCAT device drivers.
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 *
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 * \defgroup DeviceInterface EtherCAT Device Interface
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 *
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 * Master interface for EtherCAT-capable network device drivers. Through the
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 * EtherCAT device interface, EtherCAT-capable network device drivers are able
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 * to connect their device(s) to the master, pass received frames and notify
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 * the master about status changes. The master on his part, can send his
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 * frames through connected devices.
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 */
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/*****************************************************************************/
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#ifndef __ECDEV_H__
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#define __ECDEV_H__
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#include <linux/netdevice.h>
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/*****************************************************************************/
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struct ec_device;
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typedef struct ec_device ec_device_t; /**< \see ec_device */
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/** Device poll function type.
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 */
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typedef void (*ec_pollfunc_t)(struct net_device *);
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/******************************************************************************
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 * Offering/withdrawal functions
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 *****************************************************************************/
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ec_device_t *ecdev_offer(struct net_device *net_dev, ec_pollfunc_t poll,
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        struct module *module);
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void ecdev_withdraw(ec_device_t *device);
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/******************************************************************************
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 * Device methods
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 *****************************************************************************/
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int ecdev_open(ec_device_t *device);
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void ecdev_close(ec_device_t *device);
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void ecdev_receive(ec_device_t *device, const void *data, size_t size);
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void ecdev_set_link(ec_device_t *device, uint8_t state);
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uint8_t ecdev_get_link(const ec_device_t *device);
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/*****************************************************************************/
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#endif