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/*
* fsm-standby.c: standby mode functions for SpaghettiMonster.
*
* Copyright (C) 2017 Selene ToyKeeper
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef FSM_STANDBY_C
#define FSM_STANDBY_C
#include <avr/interrupt.h>
#include <avr/sleep.h>
#include "fsm-adc.h"
#include "fsm-wdt.h"
#include "fsm-pcint.h"
// low-power standby mode used while off but power still connected
#define standby_mode sleep_until_eswitch_pressed
void sleep_until_eswitch_pressed()
{
WDT_off();
ADC_off();
// make sure switch isn't currently pressed
while (button_is_pressed()) {}
PCINT_on(); // wake on e-switch event
sleep_enable();
sleep_bod_disable();
sleep_cpu(); // wait here
// something happened; wake up
sleep_disable();
PCINT_on();
ADC_on();
WDT_on();
}
#endif
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