#include <avr/io.h>
#include "lcd.h"
#include <avr/interrupt.h>

static uint8_t ts = 0, tm = 0, th = 0, tSS = 0;

void gettime()
{
	char time[9];

	time[0] = '0' + (th / 10);
	time[1] = '0' + (th % 10);
	time[2] = ':';
	time[3] = '0' + (tm / 10);
	time[4] = '0' + (tm % 10);
	time[5] = ':';
	time[6] = '0' + (ts / 10);
	time[7] = '0' + (ts % 10);
	time[8] = '\0';

	lcd_clrscr();
	lcd_gotoxy(4, 0);
	lcd_puts(time);
}

ISR(TIMER0_COMP_vect)
{
	tSS++;

	if (tSS == 100) {
		tSS = 0;

		ts++;
		if (ts == 60) {
			ts = 0;
			tm++;
		}

		if (tm == 60) {
			tm = 0;
			th++;
		}

		if (th == 24) {
			th = 0;
		}
		gettime();
	}
}


int main(void)
{
	DDRD = _BV(4);
	TCCR1A = _BV(COM1B1) | _BV(COM1B0) | _BV(WGM10);
	TCCR1B = _BV(WGM12) | _BV(CS11);

	OCR1B = 250;

	TCCR0 = _BV(WGM01) | _BV(CS00) | _BV(CS02);
	OCR0 = 71;
	TIMSK = _BV(OCIE0);

	sei();

	lcd_init(LCD_DISP_ON);
	lcd_clrscr();



    while (1)
    {
    }
}