wdt.h

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/* Copyright (c) 2002, 2004 Marek Michalkiewicz
   Copyright (c) 2005, 2006, 2007 Eric B. Weddington
   Copyright (c) 2016 Frank Holtz
   All rights reserved.
 
   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions are met:
 
   * Redistributions of source code must retain the above copyright
     notice, this list of conditions and the following disclaimer.
 
   * Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in
     the documentation and/or other materials provided with the
     distribution.
 
   * Neither the name of the copyright holders nor the names of
     contributors may be used to endorse or promote products derived
     from this software without specific prior written permission.
 
  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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/* $Id$ */
 
/*
   avr/wdt.h - macros for AVR watchdog timer
 */
 
#ifndef _NRF5_WDT_H_
#define _NRF5_WDT_H_
 
#include <nrf.h>
#include <stdint.h>
 
#define wdt_reset() NRF_WDT->RR[0] = WDT_RR_RR_Reload
 
#define wdt_enable(timeout) \
    NRF_WDT->CONFIG = NRF_WDT->CONFIG = (WDT_CONFIG_HALT_Pause << WDT_CONFIG_HALT_Pos) | ( WDT_CONFIG_SLEEP_Run << WDT_CONFIG_SLEEP_Pos); \
    NRF_WDT->CRV = (32768*timeout)/1000; \
    NRF_WDT->RREN |= WDT_RREN_RR0_Msk;  \
    NRF_WDT->TASKS_START = 1
 
#define wdt_disable() \
    NRF_WDT->CONFIG = NRF_WDT->CONFIG = (WDT_CONFIG_HALT_Pause << WDT_CONFIG_HALT_Pos) | ( WDT_CONFIG_SLEEP_Pause << WDT_CONFIG_SLEEP_Pos); \
    NRF_WDT->CRV = 4294967295
 
#define WDTO_15MS   15
 
#define WDTO_30MS   30
 
#define WDTO_60MS   60
 
#define WDTO_120MS  120
 
#define WDTO_250MS  250
 
#define WDTO_500MS  500
 
#define WDTO_1S     1000
 
#define WDTO_2S     2000
 
#define WDTO_4S     4000
 
#define WDTO_8S     8000
 
#endif /* _NRF5_WDT_H_ */