diff --git a/lib_stusb_impl/usbd_impl.c b/lib_stusb_impl/usbd_impl.c index 72b286c45..7fdfac406 100644 --- a/lib_stusb_impl/usbd_impl.c +++ b/lib_stusb_impl/usbd_impl.c @@ -1018,8 +1018,14 @@ uint8_t USBD_HID_DataIn_impl(USBD_HandleTypeDef *pdev, uint8_t epnum) uint8_t USBD_HID_DataOut_impl(USBD_HandleTypeDef *pdev, uint8_t epnum, - uint8_t *buffer, - apdu_buffer_t *apdu_buf) +#ifndef HAVE_USB_HIDKBD + uint8_t *buffer, + apdu_buffer_t *apdu_buf +#else + __attribute__((unused)) uint8_t *buffer, + __attribute__((unused)) apdu_buffer_t *apdu_buf +#endif // HAVE_USB_HIDKBD +) { // only the data hid endpoint will receive data switch (epnum) {