//NESTO FALIII

#define F_CPU 7372800UL


#include <avr/io.h>
#include <util/delay.h>
#include <avr/interrupt.h>
uint16_t time = 0;
uint8_t data[4];
uint8_t dotOn = 0;
static uint8_t fStop = 1;
static uint8_t debounce = 0;

void time2data(uint16_t time, uint8_t data[])
{
    uint8_t i;
    for (i = 0; i < 4; i++) {
        data[3-i] = time % 10;
        time /= 10;
    }
}

ISR(TIMER1_COMPA_vect){
    if (!fStop) {
        time = (time >= 10000) ? 0 : time + 1;
        if(!(time % 50)){
            dotOn = ~dotOn;

            } else{
            dotOn = dotOn;
        }
        time2data(time,data);
    }
}

int main(void)
{
    DDRA = 0xff;
    DDRB = 0xf0;
    uint8_t values[] = {0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x6f};
    uint8_t i;

    TCCR1A = 0;
    TCCR1B = _BV(WGM12) | _BV(CS11);
    OCR1A = 9216;
    TIMSK = _BV(OCIE1A);
    sei();


    //time2data(8888, data);
    //dotOn = 1;

    /* Replace with your application code */
    while (1)
    {
        for (i = 0; i < 4; i++)
        {
            PORTA = values[data[i]];

            if (dotOn) {
                PORTA |= _BV(7);
            }

            PORTB = (PORTB & 0x0f) | _BV(4 + i);
            _delay_ms(1);
            if(debounce) debounce--;

            if(!debounce && bit_is_clear(PINB, 0)) {
                fStop ^= 1;
                debounce = 200;
            } else if (bit_is_clear(PINB, 1)) {

            }

            PORTB = _BV(4 + i);
            _delay_ms(1);
        }
    }
}