#define DG1_ON PORTJ |= (1 << PJ1)
#define DG1_OFF PORTJ &= ~(1 << PJ1)
#define DG2_ON PORTJ |= (1 << PJ0)
#define DG2_OFF PORTJ &= ~(1 << PJ0)
#define DG3_ON PORTH |= (1 << PH1)
#define DG3_OFF PORTH &= ~(1 << PH1)
#define DG4_ON PORTH |= (1 << PH0)
#define DG4_OFF PORTH &= ~(1 << PH0)

uint8_t LED_7[] = {0x01, 0x4F, 0x12, 0x06, 0x4C, 0x24, 0x20, 0x0F, 0x00, 0x04};

int delayTime = 10;

void display(int number){
  int dg1, dg2, dg3, dg4;
  int tem;

  dg4 = number%10;
  number /= 10;
  dg3 = number%10;
  number /=10;
  dg2 = number%10;
  dg1 = number /10;

  PORTF = LED_7[dg1];
  if (tem > 999) DG1_ON;
 _delay_ms(delayTime);
  DG1_OFF;
  PORTF = LED_7[dg2];
  if (tem > 99) DG2_ON;
  _delay_ms(delayTime);
  DG2_OFF;
  PORTF = LED_7[dg3];
  if (tem > 9) DG3_ON;
  _delay_ms(delayTime);
  DG3_OFF;
  PORTF = LED_7[dg4];
  DG4_ON;
  _delay_ms(delayTime);
  DG4_OFF;

}
void init () {
  DDRF = 0xFF;
  DDRJ |=(1<<PJ1)|(1 << PJ0);
  DDRJ |=(1<<PH1)|(1 << PJ0);
   
}



int main () {
  static int n = 0, i = 0;
  init();
  while(1){
    display(n);
    if (++i == 5) {
      i = 0;
      if (++n == 101) n = 0;
    }
    }
  return 0;


}