internal void ResetCOMPort()
{
if (this._serialPort != null)
{
this._serialPort.Dispose();
this._serialPort = null;
}
}
internal void Disconnect()
{
if (this._serialPort != null)
{
this._serialPort.Flush();
this._serialPort.Dispose();
this._serialPort = null;
}
}
internal bool Connect(string comPort)
{
if (this._serialPort != null)
{
return(false);
}
this._serialPort = new SerialCOM(@"\\.\" + comPort, 0x1c200, StopBits.One, Parity.None, 8);
return(this._serialPort.Open());
}
private void Form1_Load(object sender, EventArgs e)
{
serial = new SerialCOM();
serial.sp = serialPort1;
string[] portnames;
int[] Baudrate = { 9600, 115200 };
portnames = SerialPort.GetPortNames();
foreach (string port in portnames)
{
comboBox1.Items.Add(port);
}
foreach (int baud in Baudrate)
{
comboBox2.Items.Add(baud);
}
serialPort1.DataReceived += new SerialDataReceivedEventHandler(serialPort1_DataReceived);
comboBox1.Text = portnames[0];
}
private void Worker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
// check error, check cancel, then use result
if (e.Error != null)
{
// handle the error
lb_status.Content = "Error";
}
else if (e.Cancelled)
{
// handle cancellation
lb_status.Content = "Scanner not found";
}
else
{
// use it on the UI thread
try
{
string receivedDate = (string)e.Result;
if (receivedDate != "Null")
{
dynamic data = JsonConvert.DeserializeObject(receivedDate);
tb_serialId.Text = data.serialId;
lb_status.Content = "";
}
else
{
lb_status.Content = "Error";
tb_serialId.Text = "";
}
}
catch (Exception ex)
{
logFile.Error(ex.Message);
Constant.mainWindowPointer.WriteLog(ex.Message);
}
}
// general cleanup code, runs when there was an error or not.
serial.Close();
serial = null;
btn_scanId.IsEnabled = true;
btn_scanId.Content = "Scan";
}
private void Worker_DoWork(object sender, DoWorkEventArgs e)
{
if (serial == null)
{
serial = new SerialCOM(Properties.Settings.Default.ComPortName.ToString(), Properties.Settings.Default.ComPortBaudrate);
serial.Open();
}
if (serial._serialPort.IsOpen)
{
Dispatcher.BeginInvoke(new ThreadStart(() =>
{
lb_status.Content = "Scanning...";
}));
e.Result = serial.ReceiveData();
}
else
{
e.Cancel = true;
}
}
