00001 /* 00002 * Copyright (C) 2008 by egnite GmbH. 00003 * 00004 * All rights reserved. 00005 * 00006 * Redistribution and use in source and binary forms, with or without 00007 * modification, are permitted provided that the following conditions 00008 * are met: 00009 * 00010 * 1. Redistributions of source code must retain the above copyright 00011 * notice, this list of conditions and the following disclaimer. 00012 * 2. Redistributions in binary form must reproduce the above copyright 00013 * notice, this list of conditions and the following disclaimer in the 00014 * documentation and/or other materials provided with the distribution. 00015 * 3. Neither the name of the copyright holders nor the names of 00016 * contributors may be used to endorse or promote products derived 00017 * from this software without specific prior written permission. 00018 * 00019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00020 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00021 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00022 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00023 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00024 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00025 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 00026 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 00027 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00028 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 00029 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00030 * SUCH DAMAGE. 00031 * 00032 * For additional information see http://www.ethernut.de/ 00033 */ 00034 00044 #include <dev/watchdog.h> 00045 #include <dev/reset.h> 00046 00053 void NutReset(void) 00054 { 00055 #if defined(__AVR__) 00056 /* Use watchdog on AVR. */ 00057 if (AvrWatchDogStart(1)) { 00058 for (;;); 00059 } 00060 #elif defined(MCU_AT91) 00061 At91Reset(); 00062 #elif defined(__AVR32__) 00063 Avr32Reset(); 00064 #endif 00065 } 00066 00074 int NutResetCause(void) 00075 { 00076 #if defined(MCU_AT91) 00077 return At91ResetCause(); 00078 #elif defined(__AVR32__) 00079 return Avr32ResetCause(); 00080 #else 00081 return NUT_RSTTYP_UNKNOWN; 00082 #endif 00083 }