#include <avr/io.h> 
#include <util/delay.h>
#include <avr/interrupt.h>
#include <avr/sleep.h>
#include <stdint.h>
#include "sleep.h"

uint16_t adc_schlafen() {
	uint8_t value; 
    uint16_t sum;
	//sleep_long(1000);
	ADCSRA |= (1<<ADEN) | (1<<ADSC);
	while(ADCSRA & (1<<ADSC)) { /* Habe Fertig */ };
	value = ADCL; //LOWER First
	value = ADCH; //THEN upper
	sum = value;
	ADCSRA &= ~(1<<ADEN);
	sum *= 30;
	sum += 1000;
	return sum;
}

void mosfet_an() {
	uint16_t sleep = adc_schlafen();
	PORTB |= (1<<PB0);
	sleep_long(sleep);
	PORTB &= ~(1<<PB0);
}

ISR(INT0_vect)
{	
	_delay_ms(100);
	if (!(PINB & (1<<PINB1)) ) { //Ein
		PORTB |= (1<<PB3);
		mosfet_an();
	}
	_delay_ms(5000);
		return;
	//} else { //Aus
		while(1) {
		PORTB |= (1<<PB3);
		_delay_ms(1000);
		PORTB &= ~(1<<PB3);
		_delay_ms(1000);
	}
	//}
	//set_sleep_mode(SLEEP_MODE_IDLE);
    //sleep_mode();

}

int main (void) {
	cli();
	DDRB  |= (1<<PB0) | (1<<PB3);
	PORTB |= (1<<PB1);
	GIMSK |= (1<<INT0);
	MCUCR |= (1<<ISC01);

	ADMUX = 0x00;
	ADMUX |= (1<<REFS0) | (1<<ADLAR) | (1<<MUX1);
	sei();
	while(1){
		PORTB &= ~(1<<PB0);
		//set_sleep_mode(SLEEP_MODE_IDLE);
      	//sleep_mode();
		//_delay_ms(2000);
		PORTB |= (1<<PB3);
		_delay_ms(20);
		PORTB &= ~(1<<PB3);
		_delay_ms(2000);
	}
	return 0;                 
}