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


//------------------------------------------------------------------------------
int main (void) {
	
	wdt_enable(WDTO_500MS);				//povolenie WDT 0,5sec
	 
	//TC0 - Fast PWM on OC0A
	TCCR0A |= (1<<WGM01)|(1<<WGM00);	//Set Fast PWM-mode3
	TCCR0A |= (1<<COM0A1);				//Set Non Inverting Mode
	TCCR0B |= (1<<CS02);				//Set prescaler 256
	DDRD |= (1<<DDD6);					//Enable OC0A (PD6) Output
	TCNT0 = 0;							//Nastavenie TCNT0 
	OCR0A = 170;						//Set compare value
	
	while(1) { 
		wdt_reset();
	}
}
//------------------------------------------------------------------------------