text: #ifndef MAIN_H_
  #define MAIN_H_
  
  bool naiboard_usb_vendor_enable(void);
  void naiboard_usb_vendor_disable(void);
  bool naiboard_usb_setup_out_received(void);
  bool naiboard_usb_setup_in_received(void);
  void naiboard_usb_suspend_action(void);
  void naiboard_usb_resume_action(void);
  void naiboard_usb_sof_action(void);
  
  #endif
  