public static Messages.Response EpaymentTest(Messages.Request request) { Concert2Protocol protocol = new Concert2Protocol(new SerialTerminal("")); string payload = request.Parameters.Value <string>("payload"); payload += ConcertProtocol.FromCharCode(ConcertProtocol.ETX).ToString(); string message = ConcertProtocol.FromCharCode(ConcertProtocol.STX); message += payload; message += ConcertProtocol.FromCharCode(ConcertProtocol.LRC(payload)); protocol.PrepareResponse(ConcertProtocol.ToBytes(message)); return(request.Success("OK")); }