sendRawFrame method

@override Future<Uint8List> sendRawFrame(Uint8List aduRequest)

Send raw frame to the remote server

Implementation

@override
Future<Uint8List> sendRawFrame(Uint8List aduRequest) async {
  if (!isConnected) {
    await connect();
  }

  await _port.write(aduRequest);

  // Read until we find the end pattern (\r\n)
  final aduResponse = await _port.readUntil(
    _asciiEnd.codeUnits,
    maxLength: asciiCharacterMaxSize,
  );

  return aduResponse;
}