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);
}
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
}
