device.h

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/******************************************************************************
 *
 *  $Id: device.h 682 2006-11-07 12:13:30Z fp $
 *
 *  Copyright (C) 2006  Florian Pose, Ingenieurgemeinschaft IgH
 *
 *  This file is part of the IgH EtherCAT Master.
 *
 *  The IgH EtherCAT Master is free software; you can redistribute it
 *  and/or modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2 of the
 *  License, or (at your option) any later version.
 *
 *  The IgH EtherCAT Master is distributed in the hope that it will be
 *  useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with the IgH EtherCAT Master; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 *  The right to use EtherCAT Technology is granted and comes free of
 *  charge under condition of compatibility of product made by
 *  Licensee. People intending to distribute/sell products based on the
 *  code, have to sign an agreement to guarantee that products using
 *  software based on IgH EtherCAT master stay compatible with the actual
 *  EtherCAT specification (which are released themselves as an open
 *  standard) as the (only) precondition to have the right to use EtherCAT
 *  Technology, IP and trade marks.
 *
 *****************************************************************************/

/*****************************************************************************/

#ifndef _EC_DEVICE_H_
#define _EC_DEVICE_H_

#include <linux/interrupt.h>

#include "../include/ecrt.h"
#include "../devices/ecdev.h"
#include "globals.h"

#ifdef EC_DBG_IF
#include "debug.h"
#endif

/*****************************************************************************/

struct ec_device
{
    ec_master_t *master; 
    struct net_device *dev; 
    uint8_t open; 
    struct sk_buff *tx_skb; 
    ec_isr_t isr; 
    cycles_t cycles_isr; 
    unsigned long jiffies_isr; 
    struct module *module; 
    uint8_t link_state; 
#ifdef EC_DBG_IF
    ec_debug_t dbg; 
#endif
};

/*****************************************************************************/

int ec_device_init(ec_device_t *, ec_master_t *, struct net_device *,
                   ec_isr_t, struct module *);
void ec_device_clear(ec_device_t *);

int ec_device_open(ec_device_t *);
int ec_device_close(ec_device_t *);

void ec_device_call_isr(ec_device_t *);
uint8_t *ec_device_tx_data(ec_device_t *);
void ec_device_send(ec_device_t *, size_t);

/*****************************************************************************/

#endif

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