void Clear()
{
if (OpenVibeController.IsRunning)
{
OpenVibeController.Stop();
}
openVibeWorker.CancelAsync();
//InitOpenVibeWorker();
buttonStart.Text = "Start";
buttonStart.Enabled = true;
of = null;
tf = null;
cf = null;
ow = null;
ew = null;
cw = null;
currentForm = null;
currentWindow = null;
}
private void buttonStart_Click(object sender, EventArgs e)
{
buttonStart.Enabled = false;
SelectedScenario = comboBoxScenarioType.SelectedIndex;
try
{
#region 1 Configure start
IDigitalSignalProcessor dsp = null;
if (cbEmotivDSP.Checked && cbEmotivDspMethod.SelectedIndex == 0)
{
dsp = new BasicSignalProcessor();
}
if (cbFieldTripDSP.Checked && cbFieldTripDspMethod.SelectedIndex == 0)
{
dsp = new BasicSignalProcessor();
}
if (rbuttonEmotiv.Checked)
{
if (rbuttonEmotivSignal.Checked)
{
dataReader = new EmotivRawDataReader();
}
else
{
dataReader = new EmotivFileSystemDataReader(textBoxEmotivFile.Text);
}
int scenario = comboBoxScenarioType.SelectedIndex;
if (scenario == 1 || scenario == 2) //train and classify
{
IEpoching epocher = new TimeEpochGenerator(dataReader, 300); //this value depends on your BCI scenario
featureGenerator = new EigenVectorFeatureGenerator(epocher);
}
}
else if (rbuttonOpenVibe.Checked)
{
dataReader = new OpenVibeRawDataReader();
int scenario = comboBoxScenarioType.SelectedIndex;
//if (scenario==5 || scenario==6) //these two acquire signal from OpenVibe
//{
// IEpoching epocher = new CountEpochGenerator(dataReader, samples_per_chunk);
// featureGenerator = new EigenVectorFeatureGenerator(epocher);
//}
//else
featureGenerator = new OpenVibeFeatureGenerator();
}
else if (rbuttonFieldTrip.Checked)
{
dataReader = new FieldTripRawDataReader(this.tboxFieldTripHost.Text, Convert.ToInt32(this.ndFieldTripPort.Value));
int scenario = comboBoxScenarioType.SelectedIndex;
if (scenario == 1 || scenario == 2)
{
IEpoching epocher = new TimeEpochGenerator(dataReader, 300);//this value depends on your BCI scenario
featureGenerator = new EigenVectorFeatureGenerator(epocher);
}
}
if (dsp != null)
{
dataReader.SetDspProcessor(dsp);
}
#endregion
#region 2 Instantiate and run
if (rbuttonExperimentator.Checked)
{
//window created without background thread
ew = new WPF.ExperimentsWindow(); ew.Show(); currentWindow = ew;
currentWindow.Closed += delegate(object wsender, EventArgs we)
{
buttonStart.Text = "Start";
buttonStart.Enabled = true;
ew = null;
};
}
else
if (rbuttonEmotiv.Checked || rbuttonOpenVibe.Checked || rbuttonFieldTrip.Checked)
{
switch (comboBoxScenarioType.SelectedIndex)
{
case 0: //chart signal
if (rbuttonWPFcharting.Checked)
{
ow = new WPF.OutputWindow(dataReader, -1, -1); ow.Show(); currentWindow = ow;
}
else if (rbuttonWindowsFormsCharting.Checked)
{
of = new OutputForm(dataReader); of.Show(); of.Start(); currentForm = of;
}
break;
case 1: tf = new TrainForm(featureGenerator); tf.Show(); currentForm = tf; break;
case 2: cf = new ClassifyForm(featureGenerator); cf.Show(); currentForm = cf; break;
case 3: ow = new WPF.OutputWindow(dataReader, 165, 830); ow.Show(); currentWindow = ow; break; //xDAWN
case 4: ow = new WPF.OutputWindow(dataReader, 250, 830); ow.Show(); currentWindow = ow; break; //CSP
case 5: tf = new TrainForm(featureGenerator); tf.Show(); currentForm = tf; break; //train
case 6: cf = new ClassifyForm(featureGenerator); cf.Show(); currentForm = cf; break; //classify
}
if (rbuttonOpenVibe.Checked)
{
openVibeWorker.RunWorkerAsync();
}
if (currentForm != null)
{
currentForm.FormClosed += new FormClosedEventHandler(currentForm_FormClosed);
}
if (currentWindow != null)
{
currentWindow.Closed += new EventHandler(currentWindow_Closed);
}
}
if (currentWindow != null)
{
System.Windows.Forms.Integration.ElementHost.EnableModelessKeyboardInterop(currentWindow);
}
#endregion
}
catch (Exception ex)
{
logger.Error(ex);
if (ex.Message.IndexOf("edk.dll") >= 0)
{
MessageBox.Show(ex.Message + "\r\n You need edk.dll and edk_utils.dll from the Emotiv Reseach SDK placed in Adastra's installation folder.");
}
else
{
MessageBox.Show(ex.Message);
}
buttonStart.Enabled = true;
}
// }
}