Contiki 2.6

watchdog-cc2430.h

Go to the documentation of this file.
00001 /*
00002  * Copyright (c) 2010, Loughborough University - Computer Science
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  * 1. Redistributions of source code must retain the above copyright
00009  *    notice, this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright
00011  *    notice, this list of conditions and the following disclaimer in the
00012  *    documentation and/or other materials provided with the distribution.
00013  * 3. Neither the name of the Institute nor the names of its contributors
00014  *    may be used to endorse or promote products derived from this software
00015  *    without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
00018  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
00021  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00022  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00023  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00024  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00025  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00026  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00027  * SUCH DAMAGE.
00028  *
00029  * This file is part of the Contiki operating system.
00030  */
00031 
00032 /**
00033  * \file
00034  *         Hardware-dependent header file for the cc2430 watchdog timer.
00035  *
00036  *         The interrupt service routine's prototype must be included by the
00037  *         file containing main().
00038  *
00039  * \author
00040  *         George Oikonomou - <oikonomou@users.sourceforge.net>
00041  */
00042 
00043 #ifndef WATCHDOG_CC2430_H_
00044 #define WATCHDOG_CC2430_H_
00045 
00046 #include "dev/watchdog.h"
00047 #include "cc2430_sfr.h"
00048 #include "contiki-conf.h"
00049 
00050 #define WDT_TIMEOUT_1_SEC     0x00
00051 #define WDT_TIMEOUT_250_MSEC  WDT_INT0
00052 #define WDT_TIMEOUT_15_MSEC   WDT_INT1
00053 #define WDT_TIMEOUT_2_MSEC    WDT_INT1 | WDT_INT0
00054 
00055 #if WDT_CONF_TIMER_MODE
00056 #define WDT_TIMER_MODE WDT_MODE  /* Timer */
00057 #else
00058 #define WDT_TIMER_MODE 0x00      /* Watchdog */
00059 #endif
00060 
00061 #ifdef WDT_CONF_INTERVAL
00062 #define WDT_INTERVAL WDT_CONF_INTERVAL
00063 #else
00064 #define WDT_INTERVAL WDT_TIMEOUT_1_SEC  /* 2 secs */
00065 #endif
00066 
00067 /* The watchdog only throws interrupts in timer mode */
00068 #if WDT_TIMER_MODE
00069 void cc4230_watchdog_ISR(void) __interrupt (WDT_VECTOR);
00070 #endif
00071 
00072 #endif /* WATCHDOG_CC2430_H_ */