/*
 * Dekodierung_des_Empfangssignales.c
 *
 * Created: 05.04.2013 09:31:40
 *  Author: 09EPAM42
 */ 

#include <avr/io.h>
#include <avr/interrupt.h>

int16_t Code = 0x0000;

int Einlesen;
int Auslesen;

ISR(PCINT_vect)
{
	GIMSK = 0x00; //PCINT sperren
		
	if ((PINB & 0x10) == 0x00)
	{
		Code = Code | 0x8000;
	}
		
	Code = Code >> 1;
	GPIOR0 = Code;
	
	if ((Code & 0B0000000000001100) == 0B0000000000001100) //0B11010100000001 --> 100000 00101 T 11
	{
		PORTA = 0x04;
		Code = 0x00;
	}	
	
	TCNT0H = 0xFA;
	TCNT0L = 0x88;
	TCCR0B = 0x02;		// Timer starten
}


ISR(TIMER0_OVF_vect)
{
	PORTA = 0xFF;
	TCCR0B = 0x00;		// Timer stoppen
	GIMSK = 0x01;		// INT freigeben
	GIFR = 0x00;		// Flag löschen
}


int main(void) 
{
	for (int i=0; i<30000;i++);
	DDRA = 0xFF;
	DDRB = 0x00;
	PORTB = 0xFF;
	//PORTB = 0x10;		// Konfiguration für den Sensor
	
	TCCR0A = 0x80;		// 16 Bit Modus
	PORTA = 0x00;		// Konfiguration für die LED
	
	
	TCNT0H = 0xFC;
	TCNT0L = 0x18;
	GIMSK = 0B00100000;	// GIMSK setzen
	PCMSK1 = 0B00010000;// Interrupt Maskierung
	SREG = 0x80;		// Global Enable Bit setzen
	//TIMSK = 0x00;		//
	
	while (1) {}
	
}