#include <avr/io.h>
#include <util/delay.h>

#define STP PB0
#define NET PB1
#define TWV PB2

int main(void) {
	DDRA |= (1<<PA7) | (1<<PA3) | (1<<PA4);
	DDRB |= (1<<STP) | (1<<NET) | (1<<TWV);
	
	PORTB |= (1<<NET); //Netzteil Off!
	
	_delay_ms(500);
	PORTA |= (1<<PA3);
		
	_delay_ms(2000);
	PORTB |= (1<<TWV); //12V Schiene On
	PORTB |= (1<<STP); //Stepup On
	PORTA &= ~(1<<PA3);
	
	_delay_ms(2000);
	PORTB &= ~(1<<NET); //Netzteil An!
	PORTA |= (1<<PA3);
	
	_delay_ms(5000);
	//PORTB &= ~(1<<PB1);
	PORTB &= ~(1<<STP); //Stepup Off!
	PORTA &= ~(1<<PA3);
	
	
	while(1) {
		/*PORTA |= (1<<PA7);
		_delay_ms(500);
		PORTA &= ~((1<<PA7));
		PORTA |= (1<<PA3);
		_delay_ms(500);
		PORTA &= ~((1<<PA3));
		PORTA |= (1<<PA4);
		_delay_ms(500);
		PORTA &= ~((1<<PA4));*/
		/*PORTA &= ~((1<<PA7));
		if (PINB & (1<<PB1)) {
			PORTA |= (1<<PA7);
		}*/
		_delay_ms(50);
	}
}