diff options
Diffstat (limited to 'stmhal/usbd_hid_interface.c')
| -rw-r--r-- | stmhal/usbd_hid_interface.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/stmhal/usbd_hid_interface.c b/stmhal/usbd_hid_interface.c index 837feece9..4987314bd 100644 --- a/stmhal/usbd_hid_interface.c +++ b/stmhal/usbd_hid_interface.c @@ -93,6 +93,11 @@ static int8_t HID_Itf_Receive(uint8_t* Buf, uint32_t Len) { return USBD_OK; } +// Returns number of ready rx buffers. +int USBD_HID_RxNum(void) { + return (current_read_buffer != current_write_buffer); +} + // timout in milliseconds. // Returns number of bytes read from the device. int USBD_HID_Rx(uint8_t *buf, uint32_t len, uint32_t timeout) { |