L07Zneki

#define F_CPU 7372800UL // UL -> unsigned long - frekvencija CPU-a

#include <avr/io.h>
#include <util/delay.h>

void blink(void){
    PORTA ^= _BV(3);
}

int main(){

    DDRA = _BV(3);
    PORTA = _BV(3);

    PORTB = _BV(0);
    DDRB = 0;

    while (1){
        if(bit_is_clear(PINB,0)){
            blink();
        }

        _delay_ms(200);

    }

}