97 lines
2.4 KiB
C
97 lines
2.4 KiB
C
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/**
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* \file
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* <!--
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* This file is part of BeRTOS.
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*
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* Bertos is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* As a special exception, you may use this file as part of a free software
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* library without restriction. Specifically, if other files instantiate
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* templates or use macros or inline functions from this file, or you compile
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* this file and link it with other files to produce an executable, this
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* file does not by itself cause the resulting executable to be covered by
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* the GNU General Public License. This exception does not however
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* invalidate any other reasons why the executable file might be covered by
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* the GNU General Public License.
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*
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* Copyright 2004 Develer S.r.l. (http://www.develer.com/)
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*
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* -->
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*
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* \brief Watchdog interface for AVR architecture.
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*
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* \note The avr-libc already provide an api to manage the watchdog on AVR architecture.
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* In avr-libc are also available several constants used to set the timeout value
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* (see documentation for more detail).
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*
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*
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* \author Daniele Basile <asterix@develer.com>
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*
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*/
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#ifndef DRV_WDT_AVR_H
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#define DRV_WDT_AVR_H
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#include "cfg/cfg_wdt.h"
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#include <cfg/compiler.h> // INLINE
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#include <avr/io.h>
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#include <avr/wdt.h>
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/**
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* Reset the watchdog timer.
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*
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* This functions is already defind in avr-libc.
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*/
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// void wdt_reset(void)
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/**
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* Start the watchdog timer that fire at the select
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* timeout.
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*
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* \param _timeout you can use the macro that are defineded in
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* avr/wdt.h.
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*
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* (from avr libc documentation)
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* WDTO_15MS
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* WDTO_30MS
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* WDTO_60MS
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* WDTO_120MS
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* WDTO_250MS
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* WDTO_500MS
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* WDTO_1S
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* WDTO_2S
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* WDTO_4S
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* WDTO_8S
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*/
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INLINE void wdt_start(uint32_t _timeout)
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{
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uint8_t timeout = _timeout;
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wdt_enable(timeout);
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}
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/**
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* Stop watchdog timer.
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*/
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INLINE void wdt_stop(void)
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{
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wdt_disable();
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}
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#endif /* DRV_WDT_AVR_H */
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