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

volatile uint8_t msgIndex;
volatile uint8_t timerCounter;

#define PERIOD 6

#define MSGMAX 40
uint8_t msg[MSGMAX] = {1, 0, 1, 0, 1, 1, 1, 0, 0, 0, 
				   1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 
				   1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0};

int main(void)
{
	DDRB |= 16;

	TCCR0B |= (1<<CS02) | (1<<CS00);	// Prescale by 1024
	TIMSK0 |= (1<<TOIE0);

	sei();

	return 0;
}