#define F_CPU 16000000UL;
#include <avr/io.h>

void Delay_1s ();
int main (){
	DDRC |= (1<<PC1);		// PORTB output port
	PORTC |= (1<<PC1);
	while(1){			//repeat forever
		PORTC = ~PORTC;		
		Delay_1s();		//delay size unknown
	}
}
void Delay_1s(){
	TCNT1 = 49910;	// load TCNT0 (RUN AGAIN FOR TCCR0=2)
	TCCR1A = 0x00;   // Run Timer0, Normal mode
  TCCR1B |= (1<<CS02)|(1<<CS00);  // Prescalar = 1024
	while ((TIFR0 & (1<<TOV0))==0); //wait for TF0 to roll over
	TCCR1B = 0;		    // Stop Timer
  TCCR1A = 0;
	TIFR1 =  0x01;		    //clear TF0
}