master/cdev.h
author Florian Pose <fp@igh-essen.com>
Tue, 01 Jun 2010 22:51:51 +0200
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parent 1363 11c0b2caa253
permissions -rw-r--r--
Fixed NULL pointer dereference on request error in RTAI example.
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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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 *  ---
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 *
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 *  The license mentioned above concerns the source code only. Using the
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 *  EtherCAT technology and brand is only permitted in compliance with the
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 *  industrial property and similar rights of Beckhoff Automation GmbH.
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 *
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 *****************************************************************************/
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/**
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   \file
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   EtherCAT master character device.
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*/
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/*****************************************************************************/
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#ifndef __EC_CDEV_H__
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#define __EC_CDEV_H__
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#include <linux/fs.h>
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#include <linux/cdev.h>
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#include "globals.h"
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/*****************************************************************************/
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/** EtherCAT master character device.
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*/
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typedef struct {
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    ec_master_t *master; /**< Master owning the device. */
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    struct cdev cdev; /**< Character device. */
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} ec_cdev_t;
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/*****************************************************************************/
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int ec_cdev_init(ec_cdev_t *, ec_master_t *, dev_t);
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void ec_cdev_clear(ec_cdev_t *);
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/*****************************************************************************/
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#endif