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This commit is contained in:
Erik Tylek Kettenburg
2015-06-23 12:42:35 -07:00
parent bc55c9bb45
commit 6ca6b114d5
3581 changed files with 93 additions and 51 deletions
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55
digistump-sam/libraries/RF24Network/examples/sensornet/sleep.cpp Normal file
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/*
Copyright (C) 2011 James Coliz, Jr. <maniacbug@ymail.com>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
*/
/**
* @file sleep.cpp
*
* Sleep helpers, definitions
*/
#include "RF24Network_config.h"
#include <avr/sleep.h>
#include "sleep.h"
sleep_c Sleep;
/******************************************************************/
void sleep_c::begin(wdt_prescalar_e prescalar_in,short cycles)
{
sleep_cycles_remaining = cycles;
sleep_cycles_per_transmission = cycles;
uint8_t prescalar = min(9,(uint8_t)prescalar_in);
uint8_t wdtcsr = prescalar & 7;
if ( prescalar & 8 )
wdtcsr |= _BV(WDP3);
MCUSR &= ~_BV(WDRF);
WDTCSR = _BV(WDCE) | _BV(WDE);
WDTCSR = _BV(WDCE) | wdtcsr | _BV(WDIE);
}
/******************************************************************/
void sleep_c::go(void)
{
while( sleep_cycles_remaining-- )
{
set_sleep_mode(SLEEP_MODE_PWR_DOWN);
sleep_mode();
}
sleep_cycles_remaining = sleep_cycles_per_transmission;
}
ISR(WDT_vect) {
}
// vim:ai:cin:sts=2 sw=2 ft=cpp