#include <avr/io.h>          // (1)
#include <util/delay.h>          // (1)
int i;
int n;


uint8_t Puls_lang(void){
	i=0;
	for(i=0;i<96;i++){
		PORTB|=(1<<PB2);
		_delay_us(12.5);
		PORTB&= ~(1<<PB2);
		_delay_us(12.5);
		}
}

uint8_t Puls_mittel(void){
	i=0;
	for(i=0;i<48;i++){
		PORTB|=(1<<PB2);
		_delay_us(12.5);
		PORTB&= ~(1<<PB2);
		_delay_us(12.5);
		}
}

uint8_t Puls_kurz(void){
	i=0;
	for(i=0;i<24;i++){
		PORTB|=(1<<PB2);
		_delay_us(12.5);
		PORTB&= ~(1<<PB2);
		_delay_us(12.5);
		}
}

uint8_t PAUSE_640us(void){
_delay_us(640);
}

uint8_t PAUSE_11ms(void){
_delay_ms(11);
}

int main(void)
{
    DDRB |= (1 << PB3)|(1 << PB2); /* LEDs Output */
    DDRB &= ~((1 << PB1)|(1 << PB0)); /* Button Input */

    PORTB &= ~((1 << PB3)|(1 << PB2));/*LED OFF*/

    while(1)
    {
      if (!(PINB & 1<< PB1)){ /* Taster 1 pressed*/
        for(n=0;n<5;n++){
Puls_lang();
PAUSE_640us();
Puls_mittel();
PAUSE_640us();
Puls_kurz();
PAUSE_640us();
Puls_mittel();
PAUSE_640us();
Puls_mittel();
PAUSE_640us();
Puls_kurz();
PAUSE_640us();
Puls_mittel();
PAUSE_640us();
Puls_kurz();
PAUSE_640us();
Puls_kurz();
PAUSE_640us();
Puls_mittel();
PAUSE_640us();
Puls_kurz();
PAUSE_640us();
Puls_mittel();
PAUSE_640us();
Puls_mittel();
PAUSE_640us();
Puls_mittel();
PAUSE_640us();
Puls_kurz();
PAUSE_640us();
Puls_kurz();
PAUSE_640us();
Puls_kurz();
PAUSE_640us();
Puls_mittel();
PAUSE_640us();
Puls_mittel();
PAUSE_640us();
Puls_mittel();
PAUSE_640us();
Puls_mittel();
PAUSE_11ms();
}
      } else  {
        PORTB &= ~(1 << PB2); /*LED1 OFF*/
      }

      if (!(PINB & 1<<PB0)){ /*Taster 2 pressed*/
	PORTB |= (1 << PB3); /*LED2 ON*/
      }
      else {
	PORTB &= ~(1 << PB3); /*LED2 OFF*/
      }
    }

    return 0;         
}