unsigned int counter = 1;
int direction = 1;
unsigned long changeTime;
int timeDelay = 200;
byte value = 0;




void setup(){
  DDRD = 0xFF
  DDRB  &= 0b11111110;

}

void loop(){
  value = PINB & 0x01;
  if(millis() - changeTime )> timeDelay ){
  if (value == 0){         // tipka pritisnjena
    if(counter > 128) counter =2;
    counter = 2;
    PORTD = counter;
  }


  
  if (value ==1){
    if(counter <= 1)counter = 128;
    PORTD = counter;
    counter /= 2;

  }
  changeTime = counter;
}

/*
void setup() {
  DDRD = 0xFF; //255 ali 0b11111111
  Serial.begin(115200);
  changeTime = millis();
}

void loop() {
  PORTD = counter;
  if(millis() - changeTime ) > timeDelay){
    if(direction ==1 ){
      counter *= 2;
    }
    else counter /= 2;
    changeTime = millis();
    if(counter >64) direction =0;
    if (counter <= 1)direction = 1;
  }

}

*/



/*
void setup() {
  DDRD = 0xFF; //255 ali 0b11111111
  Serial.begin(115200);

}

void loop() {
  for(int x =0; x < 8 ;x++){
    PORTD = counter;
    delay(500);
    counter *=2; //counter * 2;
    Serial.println(counter);
    if(counter > 128)counter /=128;

  }
  for(int x = 0;x > 8 ; x++){
    PORTD = counter;
    delay(500);
    counter = counter /2;
    if (counter <1) counter =1;

  }
}
*/