bulkTransferOut method
Implementation
@override
Future<int> bulkTransferOut(
UsbEndpoint endpoint, Uint8List data, int timeout) async {
assert(endpoint.direction == UsbEndpoint.DIRECTION_OUT,
'Endpoint\'s direction should be out');
return await _channel.invokeMethod('bulkTransferOut', {
'endpoint': endpoint.toMap(),
'data': data,
'timeout': timeout,
});
}