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68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/*
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* Copyright (C) 2014 INRIA
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup core_util
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* @{
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*
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* @file crash.c
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* @brief Crash handling functions implementation for MSP430 MCUs
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*
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* @author Kévin Roussel <Kevin.Roussel@inria.fr>
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*/
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#include "cpu.h"
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#include "lpm.h"
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#include "crash.h"
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#include <string.h>
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#include <stdio.h>
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/* "public" variables holding the crash data */
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char panic_str[80];
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int panic_code;
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/* flag preventing "recursive crash printing loop" */
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static int crashed = 0;
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/* WARNING: this function NEVER returns! */
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NORETURN void core_panic(int crash_code, const char *message)
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{
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/* copy panic datas to "public" global variables */
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panic_code = crash_code;
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strncpy(panic_str, message, 80);
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/* (try to) print panic message to console */
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if (crashed == 0) {
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crashed = 1;
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puts("******** SYSTEM FAILURE ********\n");
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puts(message);
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#if DEVELHELP
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puts("******** RIOT HALTS HERE ********\n");
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#else
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puts("******** RIOT WILL REBOOT ********\n");
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#endif
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puts("\n\n");
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}
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/* disable watchdog and all possible sources of interrupts */
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WDTCTL = WDTPW | WDTHOLD;
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dINT();
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#if DEVELHELP
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/* enter infinite loop, into deepest possible sleep mode */
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while (1) {
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lpm_set(LPM_OFF);
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}
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#else
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/* DEVELHELP not set => reboot system */
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(void) reboot(RB_AUTOBOOT);
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#endif
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/* tell the compiler that we won't return from this function
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(even if we actually won't even get here...) */
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UNREACHABLE();
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}
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