text: #ifndef HEISPROSJEKT_DOOR_DRIVER_H
  #define HEISPROSJEKT_DOOR_DRIVER_H
  
  typedef enum {DOOR_CLOSED = 0, DOOR_OPEN = 1 } door_state_e;
  
  /** Opens door
  */
  void open_door(void);
  
  /** Closes door
  */
  void close_door(void);
  
  /**Checks if door is open
   * @return DOOR_OPEN if door is open
   * @return DOOR_CLOSED if door is closed
   */
  door_state_e is_door_open(void);
  
  #endif //HEISPROSJEKT_DOOR_DRIVER_H
  