Contiki 2.6
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00001 /* 00002 * Copyright (c) 2010, STMicroelectronics. 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 00011 * copyright notice, this list of conditions and the following 00012 * disclaimer in the documentation and/or other materials provided 00013 * with the distribution. 00014 * 3. The name of the author may not be used to endorse or promote 00015 * products derived from this software without specific prior 00016 * written permission. 00017 * 00018 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 00019 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 00020 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00021 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 00022 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00023 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 00024 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00025 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 00026 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00027 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00029 * 00030 * This file is part of the Contiki OS 00031 * 00032 * $Id: watchdog.c,v 1.1 2010/10/25 09:03:39 salvopitru Exp $ 00033 */ 00034 /*---------------------------------------------------------------------------*/ 00035 /** 00036 * \file 00037 * Watchdog 00038 * \author 00039 * Salvatore Pitrulli <salvopitru@users.sourceforge.net> 00040 */ 00041 /*---------------------------------------------------------------------------*/ 00042 00043 #include <stdio.h> 00044 00045 #include "dev/watchdog.h" 00046 00047 #include PLATFORM_HEADER 00048 #include "hal/error.h" 00049 #include "hal/hal.h" 00050 00051 00052 /*---------------------------------------------------------------------------*/ 00053 void 00054 watchdog_init(void) 00055 { 00056 00057 } 00058 /*---------------------------------------------------------------------------*/ 00059 void 00060 watchdog_start(void) 00061 { 00062 /* We setup the watchdog to reset the device after 2.048 seconds, 00063 unless watchdog_periodic() is called. */ 00064 halInternalEnableWatchDog(); 00065 } 00066 /*---------------------------------------------------------------------------*/ 00067 void 00068 watchdog_periodic(void) 00069 { 00070 /* This function is called periodically to restart the watchdog 00071 timer. */ 00072 halResetWatchdog(); 00073 } 00074 /*---------------------------------------------------------------------------*/ 00075 void 00076 watchdog_stop(void) 00077 { 00078 halInternalDisableWatchDog(MICRO_DISABLE_WATCH_DOG_KEY); 00079 } 00080 /*---------------------------------------------------------------------------*/ 00081 void 00082 watchdog_reboot(void) 00083 { 00084 halReboot(); 00085 } 00086 /*---------------------------------------------------------------------------*/