open method

Pointer<hid_device> open(int vendor_id, int product_id, Pointer<wchar_t> serial_number)

@brief Open a HID device using a Vendor ID (VID), Product ID (PID) and optionally a serial number.

If @p serial_number is NULL, the first device with the specified VID and PID is opened.

This function sets the return value of hid_error().

@ingroup API @param vendor_id The Vendor ID (VID) of the device to open. @param product_id The Product ID (PID) of the device to open. @param serial_number The Serial Number of the device to open (Optionally NULL).

@returns This function returns a pointer to a #hid_device object on success or NULL on failure.

Implementation

ffi.Pointer<hid_device> open(
  int vendor_id,
  int product_id,
  ffi.Pointer<wchar_t> serial_number,
) {
  return _open(
    vendor_id,
    product_id,
    serial_number,
  );
}