#include <avr/io.h>
#include <avr/delay.h>
#include "macros.h"

#define LED_ON setBit(PORTB,Bit5)
#define LED_OFF clearBit(PORTB,Bit5)
#define LED_TOGGLE toggleBit(PORTB, Bit5)
#define PRESSED checkBit_0(PINB, Bit4)

int main(void)
{
  // PortB initialisieren
  DDRB = 0b00100000;
  PORTB = 0b00010000; // Pullup ON
  // Hauptschleife
  while(1)
  {
    if (PRESSED)
    {
      // LED_ON;
      LED_TOGGLE;
    }
    else
    {
      LED_OFF;
    }
    _delay_ms(250);
  }
}