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feac98cc97
Removes duplicated code for atmega platforms. They were all basically the same, only with the exception of atmegarfr2, for which there is an #if statement to use the code in the same file.
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/*
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* Copyright (C) 2018 Josua Arndt <jarndt@ias.rwth-aachen.de>
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* 2016 Kaspar Schleiser <kaspar@schleiser.de>
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* 2014 Freie Universität Berlin, Hinnerk van Bruinehsen
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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 cpu_atmega_common
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* @ingroup drivers_periph_pm
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* @{
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*
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* @file
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* @brief Implementation of common AVR periph/pm functions
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*
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* @author Hinnerk van Bruinehsen <h.v.bruinehsen@fu-berlin.de>
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* @author Kaspar Schleiser <kaspar@schleiser.de>
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* @author Josua Arndt <jarndt@ias.rwth-aachen.de>
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*
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* @}
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*/
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#include <avr/wdt.h>
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#include "irq.h"
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#include "periph/pm.h"
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void pm_reboot(void)
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{
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/* clear MCU Status Register Interrupt flags */
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MCUSR = 0x00;
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/* Softreset recognition feature, "r3" will be read out in .init0
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* to be able to distinguish WDT reset and WDT software reset
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*/
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__asm__ __volatile__("mov r3, %0\n" :: "r" (0xAA));
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/*
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* Since the AVR doesn't support a real software reset, we set the Watchdog
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* Timer on a 250ms timeout. Consider this a kludge.
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*/
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irq_disable();
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wdt_enable(WDTO_250MS);
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while(1);
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}
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