#include <avr/io.h> 

// za pravilno delovanje moramo definirati frekvenco µC v makefileu 
//#define F_CPU 1000000UL 

// Knjižnjica za zakasnitve 

#include <avr/delay.h> 

int main(void) 
{    
   PORTC = 0b00000000;    
   DDRC  = 0b00110000;    
   for(;;)  { 
      PORTC = 0b00100000;    
      _delay_ms(70);       
       
      PORTC = 0b00000000;    
      _delay_ms(70); 
       
        PORTC = 0b00100000;    
      _delay_ms(70);       
       
      PORTC = 0b00000000;    
      _delay_ms(70);             
       
      PORTC = 0b00100000; 
      _delay_ms(70);       
       
      PORTC = 0b00000000;    
      _delay_ms(170);       
    
      PORTC = 0b00010000;    
      _delay_ms(70);       
       
      PORTC = 0b00000000; 
      _delay_ms(70);       
       
      PORTC = 0b00010000;    
      _delay_ms(70);       
       
      PORTC = 0b00000000;    
      _delay_ms(70);    

        PORTC = 0b00010000;    
      _delay_ms(70);       
       
      PORTC = 0b00000000; 
      _delay_ms(170);          
       
   } 
}