/* Handling messages not implemented in the default handler nor in the SerialUSB handler.  */
static bool requests_hook(USBDriver *usbp)
/* Handling messages not implemented in the default handler nor in the SerialUSB handler.  */
static bool requests_hook(USBDriver *usbp)
{
    usbSetupTransfer(usbp, NULL, 0, NULL);
    return true;
  }
  return sduRequestsHook(usbp);
}