//#define _SRC
#include "ledTest.h"
//#undef _SRC

void main()
{
	init();

	while(1)
	{
		sei();
		if(ledOrange == 0)
		{
			PORTB |= (1<<PORTB0);
		}
		else if(ledOrange == 1)
		{
			PORTB &= ~(1<<PORTB0);
		}
	
	}
}

/* Init */

void init()
{
	/* PORTB Ein- Ausgänge definieren */
	DDRB = 0xfb;	//PORTB2 als Eingang
	DDRA = 0xff;
	/* Internen PullUp- Widerstand aktivieren  PORTB3 */
	PORTB |= (1<<PORTB2);
	PORTA = 0xff;

	/* Timer initialisieren */
	/* Timer 0 */
	TCCR0 |= (1<<CS00) | (1<<CS02);		//Prescaler 1024
	TIMSK |= (1<<TOIE0) | (1<<OCIE0);	//Interrupt enable

	/* Timer 1 */
	TCCR1B |= (1<<WGM12) | (1<<CS10) | (1<<CS12);	//CTC, Presacaler 1024
	TIMSK |= (1<<TOIE1) | (1<<OCIE1A);		//Interrupt enable

	/* Timer 2 */
	TCCR2 |= (1<<WGM21) | (1<<CS20) | (1<<CS21) | (1<<CS22);	//CTC, Prescaler 1024
	TIMSK |= (1<<TOIE2) | (1<<OCIE2);

	
	/* Serielle Schnittstelle initialisieren */
	/* Baudrate einstellen 9600 */
	UBRRH |= (51>>8);
	UBRRL = 51;
	/* Interrupts */
	UCSRB |= (1<<RXCIE) | (1<<RXEN) | (1<<TXEN);	//Interrut enable
	/* kein Parity, 1 StopBit, 8 DataBits */ 
	UCSRC |= (1<<UCSZ0) | (1<<UCSZ1) | (1<<URSEL);


	/* Interrupts initialisieren */
	GICR |= (1<<INT2);		//Interrupt enable

	/* LED einschalten */
	ledOrange = 0;
	
}

ISR(INT2_vect)
{
	ledOrange = 1;
	PORTB |= (1<<PORTB1);
	
}