L07Z01_2

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

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

void delaying(uint16_t timeout){
    uint16_t i;
    for (i=0;i<timeout;i++){
        _delay_ms(1);
    }
}

void blink(void){
    PORTA ^= _BV(5); // _BV -> bitvise
}

int main(void)
{
    DDRA = _BV(5);
    PORTA = _BV(5);

    uint16_t timeout = 100;

    while (1) {
        blink();
        timeout = timeout + 100;
        delaying(timeout);
        //_delay_ms(100); // 100ms delay -> half cycle , 200ms -> full cycle
    }
}