private void Start() { SpiClient = new Spi(PosId, SerialNumber, EftposAddress, Secrets); SpiClient.DeviceAddressChanged += OnDeviceAddressChanged; SpiClient.StatusChanged += OnSpiStatusChanged; SpiClient.PairingFlowStateChanged += OnPairingFlowStateChanged; SpiClient.SecretsChanged += OnSecretsChanged; SpiClient.TxFlowStateChanged += OnTxFlowStateChanged; // initialise auto ip SpiClient.SetAcquirerCode(AcquirerCode); SpiClient.SetDeviceApiKey(ApiKey); SpiClient.Start(); }