blinkledtimer

/*
 * GccApplication12.c
 *
 * Created: 3/26/2019 4:59:06 PM
 * Author : dspuser
 */
/*
#include <avr/io.h>
#include <avr/interrupt.h>

void init_led(){
	DDRB |= 1<<0; //pb0 as output
}

void led_toggle(){
	int k=0;

	 while (1) {

		if(k%2){
        PORTB |= 1<<2; //led on
		k=0;
		}
		else{
        PORTB &= ~(1<<2); //led off
        k=1;
		 }
	}

}


int main(void)
{
    init_led();
	init_timer();

    while (1)
    {
		if(timer_match()){
		led_toggle();
		clear_flag();
		}
    }
}*/

#include <avr/io.h>

#include <avr/interrupt.h>



volatile uint8_t count;

int main (void)

{

	DDRB |= (1<<0); //PD6 as output

	TCNT0 = 0;

	count = 0;

	TCCR0 |= (1<<CS02) | (1<<CS00); // PRESCALER 1024

	TIMSK = (1<<TOIE0);

	sei();

	while(1)  {}

}



ISR (TIMER0_OVF_vect)

{

	if (count == 31)

	{

		PORTB ^= (1<<0);

		count=0;

	}

	else

	count++;

}