Example #1
0
        private void timer1_Tick(object sender, EventArgs e)
        {                                                   //Connect to Server
            if (modbusClient.Connected && modbusClient.Available(1))
            {
                try
                {
                    int[] readHoldingRegisters = modbusClient.ReadHoldingRegisters(0, 10);    //Read 10 Holding Registers from Server, starting with Address 1
                    var   new_text             = String.Join(" - ", readHoldingRegisters);
                    if (old_registers != new_text)
                    {
                        old_registers = new_text;
                        var to_print = readHoldingRegisters[0];
                        if (to_print == 1)
                        {
                            var number = readHoldingRegisters[1].ToString();
                            listBox1.SelectedIndex = -1;
                            for (int i = 0; i < listBox1.Items.Count; i++)
                            {
                                if (listBox1.Items[i].ToString().StartsWith(number))
                                {
                                    listBox1.SelectedIndex = i;

                                    var selected_prn = listBox1.Items[i].ToString();
                                    var selected_bin = Path.ChangeExtension(selected_prn, "bin");
                                    listBox2.Items.Add("printing " + selected_bin);
                                    var text_to_print = File.ReadAllText(trabajo_folder + "\\" + selected_bin);
                                    RawPrinterHelper.SendStringToPrinter(printerName.Text, text_to_print);
                                    print_count++;
                                    label7.Text = print_count.ToString();
                                }
                            }
                        }
                        listBox2.Items.Add(new_text);
                    }
                }
                catch (Exception ex)
                {
                    plcStatus.Text = ex.Message;
                    modbusClient.Disconnect();
                }
            }
            else
            {
                modbusClient.Disconnect();
                connect_to_plc();
            }
        }
        public override void Initialize()
        {
            base.Initialize();
            try
            {
                _modbusClient                   = new ModbusClient(PortSetting.CommPort.ToString());
                _modbusClient.Baudrate          = (int)PortSetting.BaudRate;
                _modbusClient.StopBits          = PortSetting.StopBits;
                _modbusClient.Parity            = PortSetting.Parity;
                _modbusClient.ConnectionTimeout = (int)PortSetting.ReadWriteTimeOut;
                _modbusClient.Available((int)PortSetting.ReadWriteTimeOut);

                _modbusClient.Connect();

                if (!_modbusClient.Connected)
                {
                    throw new ForceSimulateException(string.Format("Port {0} is not opened", PortSetting.CommPort.ToString()));
                }

                CheckStatus(2000);

                U.RegisterOnChanged(() => IsMoveSFTY, IsMoveSFTY_OnChanged);

                Simulate = eSimulate.None;
            }
            catch (Exception ex)
            {
                _modbusClient.Disconnect();
                //throw new ForceSimulateException(ex);
                U.LogAlarmPopup(ex, this.Nickname);
                this.Simulate = eSimulate.SimulateDontAsk;
            }

            _updateLoop         = new BackgroundWorker();
            _updateLoop.DoWork += new DoWorkEventHandler(UpdateLoop);
        }
Example #3
0
        private static async Task Listen()
        {
            while (true)
            {
                if (BarcodeClient.Available(100))
                {
                    ReadHoldingRegsBarcode(BarcodeClient);
                    if (_cancelBarcode.IsCancellationRequested)
                    {
                        return;
                    }

                    await Task.Delay(100, CancellationToken.None);
                }
                else
                {
                    ConnectBarcode();
                    var args = EventArgs.Empty;
                    OnBarcodeConnectionChanged(args);
                    return;
                }
            }
            // ReSharper disable once FunctionNeverReturns
        }