/// <summary>
/// Start or stop the serial comm
/// </summary>
private void StartStop_Click(object sender, EventArgs e)
{
StartStop.Enabled = false;
// If serial started, stop it
if (_serialStarted)
{
// Note that stopped
_serialStarted = false;
// Stop serial
if (_serialComm != null)
{
_serialComm.Stop();
}
// Change control
StartStop.Text = "Click to Enable Serial";
StartStop.BackColor = Color.LightCoral;
}
// If serial stopped, start it
else
{
var selectedComPort = SerialPortList.SelectedItem.ToString().ToUpper();
var comPortNumberStr = selectedComPort.Replace("COM", string.Empty);
int comPortNumber;
var retVal = int.TryParse(comPortNumberStr, out comPortNumber);
Console.Write("console is " + comPortNumberStr);
/**
* if (!retVal) {
* MessageBox.Show(string.Format("Cannot get port number from selected item {0}", selectedComPort), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
* return;
* }
* if (comPortNumber > MaxSerialPortNumber) {
* MessageBox.Show(string.Format("Port numbers above {0} probably can't be opened", MaxSerialPortNumber), "Warning", MessageBoxButtons.OK,
* MessageBoxIcon.Warning);
* }
*/
var portName = selectedComPort;
_serialComm = new SerialComm(portName, ProcessInput);
// Try to start. If cannot open, give error message.
if (!_serialComm.Start())
{
ErrorMessages.AppendText("Cannot open serial port " + portName + "\n");
StartStop.Enabled = true;
return;
}
// Note that started and change control
_serialStarted = true;
StartStop.Text = "Click to Disable Serial";
StartStop.BackColor = Color.YellowGreen;
}
StartStop.Enabled = true;
}
