private void btnTest_Click(object sender, EventArgs e)
{
if (backgroundWorker.IsBusy)
{
btnTest.Enabled = false;
lbResult.Text = "Aborting";
backgroundWorker.CancelAsync( );
//hack - must force the serial port to stop from this thread - hmmm
_testCommsPort.EnsureClosed( );
}
else
{
var comPort = ((ComboBinder <string>)cobCOMPorts.SelectedItem).Value;
if (comPort.Equals(ComboBinder <string> .None.Value))
{
return;
}
//if we are testing the currently selected port then close it
_commsPortWasOpen = comPort.Equals(Settings.Default.COMPort);
if (_commsPortWasOpen)
{
_commsPort.EnsureClosed( );
}
btnTest.Enabled = true;
btnTest.Text = "Abort";
lbResult.ForeColor = Color.Black;
lbResult.Text = "Searching for NXTCam...";
lbResult.Refresh( );
_hasDoneTest = true;
//setup a new port to test
var baud = ((ComboBinder <Int32>)cobBaudRate.SelectedItem).Value;
var parity = (Parity)((ComboBinder <Int32>)cobParity.SelectedItem).Value;
var dataBits = ((ComboBinder <Int32>)cobDataBits.SelectedItem).Value;
var stopBits = (StopBits)((ComboBinder <Int32>)cobStopBits.SelectedItem).Value;
var handshake = (Handshake)((ComboBinder <Int32>)cobHandshake.SelectedItem).Value;
_testCommsPort = _commsPortFactory.Create(new CommsPortSettings(comPort, baud, parity, dataBits, stopBits, handshake));
backgroundWorker.RunWorkerAsync();
}
}
private void disconnect()
{
//this is not so pretty, but we want to clear away any junk
//that would cause a connect to fail later
do
{
_commsPort.ReadExisting();
Thread.Sleep(100);
} while (_commsPort.BytesToRead > 0);
_appState.State = State.NotConnected;
_commsPort.EnsureClosed();
OnCompeted();
}
protected void OnDisconnectActionActivated(object sender, EventArgs e)
{
// TODO: This code is duplicated from WinForms.StripCommands.DisconnectStripCommand
// TODO: Check for background tasks that are using the serial port
//this is not so pretty, but we want to clear away any junk
//that would cause a connect to fail later
while (commsPort.BytesToRead > 0)
{
commsPort.ReadExisting();
Thread.Sleep(100);
}
appState.State = NXTCamView.Core.State.NotConnected;
commsPort.EnsureClosed();
}
private void mainFormFormClosed(object sender, FormClosedEventArgs e)
{
_commsPort.EnsureClosed();
Settings.Default.Save();
}