bool osetrenie = true;
bool osetrenie2 = true;
bool osetrenie3 = true;
bool osetrenie4 = true; 

void setup() 
{
  DDRB &= ~(1<<5);
  PORTB|= 1<<5;
  DDRB &= ~(1<<4);
  PORTB|= 1<<4;
  DDRB &= ~(1<<3);
  PORTB|= 1<<3;
  DDRB &= ~(1<<2);
  PORTB|= 1<<2; //tlacitka

  DDRD|= 1<<3; // stepper
  DDRD|= 1<<2; // na switchovanie  steppra
}

void loop() 
{
  if ( (PINB&(1<<4)) == 0 && osetrenie == true)
  {
    osetrenie = false;
  for (int i = 0; i > -200; i--) {
    PORTD |= 1<<2;
    PORTD |= 1<<3;
    delay(10);
    PORTD &= ~(1<<3);
    delay(10);
  }
  }

   if((PINB&(1<<4)) != 0 && osetrenie == false)
  {
    osetrenie = true;

  }
   if ( (PINB&(1<<5)) == 0 && osetrenie2 == true)
  {
    osetrenie2 = false;
    for (int i = 0; i < 200; i++) {
    PORTD &= ~(1<<2);

    PORTD |= 1<<3;
    delay(10);
    PORTD &= ~(1<<3);
    delay(10);
 }
  }

  if((PINB&(1<<3)) != 0 && osetrenie2 == false)
  {
   osetrenie2 = true;
  }
  if ( (PINB&(1<<3)) == 0 && osetrenie3 == true)
  {
    osetrenie3 = false;
    PORTD &= ~(1<<2);
    PORTD |= 1<<3;
    PORTD &= ~(1<<3);

  }
  if((PINB&(1<<3)) != 0 && osetrenie3 == false)
  {
   osetrenie3 = true;
  }
 if ( (PINB&(1<<2)) == 0 && osetrenie4 == true)
  {
    osetrenie4 = false;
    PORTD |= (1<<2);
    PORTD |= 1<<3;
    PORTD &= ~(1<<3);

  }
  if((PINB&(1<<2)) != 0 && osetrenie4 == false)
  {
   osetrenie4 = true;
  }
  
}