Marek Burlak Novotny - Blink all pins mega 2560

/* Test vsech pinu mega2560 blink */
#define F_CPU 16000000ul
#include <avr/io.h>
#include <util/delay.h>

int main(void)
{
  DDRA=0xff; DDRB=0xff; DDRC=0xff; DDRD=0xff; DDRE=0xff;
  DDRF=0xff; DDRG=0xff; DDRH=0xff; DDRJ=0xff; DDRK=0xff;
  DDRL=0xff;
  while (1)
  {
    PINA=0xff;PINB=0xff;PINC=0xff;PIND=0xff;PINE=0xff;
    PINF=0xff;PING=0xff;PINH=0xff;PINJ=0xff;PINK=0xff;
    PINL=0xff;
    _delay_ms(500);
  }
}