/*
 * Copyright (c) 2010, Loughborough University - Computer Science
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the Institute nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * This file is part of the Contiki operating system.
 */

/**
 * \file
 *         Hardware-dependent header file for the cc2430 watchdog timer.
 *
 *         The interrupt service routine's prototype must be included by the
 *         file containing main().
 *
 * \author
 *         George Oikonomou - <oikonomou@users.sourceforge.net>
 */

#ifndef WATCHDOG_CC2430_H_
#define WATCHDOG_CC2430_H_

#include "dev/watchdog.h"
#include "cc2430_sfr.h"
#include "contiki-conf.h"

#define WDT_TIMEOUT_1_SEC     0x00
#define WDT_TIMEOUT_250_MSEC  WDT_INT0
#define WDT_TIMEOUT_15_MSEC   WDT_INT1
#define WDT_TIMEOUT_2_MSEC    WDT_INT1 | WDT_INT0

#if WDT_CONF_TIMER_MODE
#define WDT_TIMER_MODE WDT_MODE  /* Timer */
#else
#define WDT_TIMER_MODE 0x00      /* Watchdog */
#endif

#ifdef WDT_CONF_INTERVAL
#define WDT_INTERVAL WDT_CONF_INTERVAL
#else
#define WDT_INTERVAL WDT_TIMEOUT_1_SEC  /* 2 secs */
#endif

/* The watchdog only throws interrupts in timer mode */
#if WDT_TIMER_MODE
void cc4230_watchdog_ISR(void) __interrupt (WDT_VECTOR);
#endif

#endif /* WATCHDOG_CC2430_H_ */