public SerialPipe( IConfiguration config, ILogger <SerialPipe> log, IParseScoreMachineFactory factory, IHubContext <ScoreMachineHub> hub ) { _portName = config["ScoringMachine:Port"]; _baud = config.GetValue <int>("ScoringMachine:Baud"); _type = config.GetValue <ScoreMachineType>("ScoringMachine:MachineType"); _parser = factory.Create(_type); _log = log; _hub = hub; }