/*
 * toggleProgram.c
 *
 * Created: 4/3/2015 4:43:51 PM
 */ 


#include <avr/io.h>

#define F_CPU	16000000UL
#include "util/delay.h"

int main(void)
{	
	DDRB = 0xFF;
	DDRC = 0xFF;
	DDRD = 0xFF;
	
    	while(1)
    	{
		PORTB ^= 0xFF;
		PORTC ^= 0xFF;
		PORTD ^= 0xFF;
		_delay_ms(1000);
	}
}