public void Dispose()
{
pipeCanceller.Dispose();
if (_writeThread != null)
{
_writeThread.Dispose();
_writeThread = null;
}
if (_readThread != null)
{
_readThread.Dispose();
_readThread = null;
}
if (_chModeTasks != null)
{
if (_chModeTasks[0] != null)
{
_chModeTasks[0].Dispose();
_chModeTasks[0] = null;
}
if (_chModeTasks.Length > 1 && _chModeTasks[1] != null)
{
_chModeTasks[1].Dispose();
_chModeTasks[1] = null;
}
_chModeTasks = null;
_chModeWriters = null;
}
}
/// <summary>
/// Stops all acquisition and generation
/// </summary>
public void Stop()
{
if (!IsRunning)
{
return;
}
_writeThreadReady.Reset();
if (_writeThread != null)
{
_writeThread.Stop();
_writeThread.Dispose();
_writeThread = null;
}
if (_readThread != null)
{
_readThread.Stop();
_readThread.Dispose();
_readThread = null;
}
//Reset all writes to 0
Task resetTask = new Task("ChReset");
for (int i = 0; i < 3; i++)
{
resetTask.AOChannels.CreateVoltageChannel(HardwareSettings.DAQ.DeviceName + "/" + string.Format("AO{0}", i), "", -10, 10, AOVoltageUnits.Volts);
}
AnalogMultiChannelWriter resetWriter = new AnalogMultiChannelWriter(resetTask.Stream);
resetWriter.WriteSingleSample(true, new double[3]);
resetTask.Dispose();
pipeCanceller.Cancel();
IsRunning = false;
}
protected override void Dispose(bool disposing)
{
//Stop acquisition
if (_acquisitionThread != null)
{
_acquisitionThread.Dispose();
_acquisitionThread = null;
}
if (_maskImage != null)
{
_maskImage.Dispose();
_maskImage = null;
}
base.Dispose(disposing);
}
/// <summary>
/// Starts acquisition and generation
/// </summary>
public void Start(Func <long, int, double[, ]> sampleFunction = null, long maxSamplesRead = -1)
{
if (IsRunning)
{
System.Diagnostics.Debug.WriteLine("Tried to start acquisition while running");
return;
}
_readThread = new WorkerT <long>(ReadThreadRun, maxSamplesRead, true, 3000);
if (sampleFunction != null)
{
_writeThread = new WorkerT <Func <long, int, double[, ]> >(WriteThreadRun, sampleFunction, true, 3000);
}
else
{
_writeThreadReady.Set();
}
IsRunning = true;
}
public MainViewModel()
{
ExperimentName = "Experiment01";
FishName = "TLAB";
Comment = "";
MaskRadius = 360;
DOB = DateTime.Now - new TimeSpan(5, 0, 0, 0);
DisplayImage = ImageType.Camera;
if (IsInDesignMode)
{
return;
}
_mainImage = new EZImageSource();
_fishImage = new EZImageSource();
var preview = new PreviewTrack(Properties.Settings.Default.FrameRate, Properties.Settings.Default.PixelsPermm);
_acquisitionThread = new WorkerT <IExperiment>(TrackThreadRun, preview, true, 3000);
}
/// <summary>
/// Restarts image preview
/// </summary>
void RestartPreview()
{
//Don't do this while an experiment is running
if (IsRunning)
{
return;
}
//shut down acquisition thread
if (_acquisitionThread != null)
{
_acquisitionThread.Dispose();
}
//restart preview
FrameIndex = 0;
var preview = new PreviewTrack(Properties.Settings.Default.FrameRate, Properties.Settings.Default.PixelsPermm);
_acquisitionThread = new WorkerT <IExperiment>(TrackThreadRun, preview, true, 3000);
}
/// <summary>
/// Stop running experiment and switch back to preview
/// </summary>
void Stop()
{
if (!IsRunning)
{
return;
}
IsRunning = false;
//shut down experimental threads
if (_acquisitionThread != null)
{
_acquisitionThread.Dispose();
}
//experiment stopped, restart preview
FrameIndex = 0;
var preview = new PreviewTrack(Properties.Settings.Default.FrameRate, Properties.Settings.Default.PixelsPermm);
_acquisitionThread = new WorkerT <IExperiment>(TrackThreadRun, preview, true, 3000);
}
/// <summary>
/// Start a new experiment
/// </summary>
void Start()
{
if (IsRunning)
{
return;
}
//create experimental class
ExperimentBase exp = null;
if (ExperimentViewModel != null)
{
exp = ExperimentViewModel.CreateExperiment(ExperimentName, FishName);
}
else
{
System.Diagnostics.Debug.WriteLine("No experiment view model was active. Exiting.");
return;
}
if (exp == null)
{
MessageBox.Show("Could not create experiment. Check parameters.", "Failure to launch", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
exp.Comment = Comment;
exp.DOB = DOB;
exp.DishCenter = DishCenter;
exp.Radius = MaskRadius;
exp.WriteExperimentInformation();
//dispose previewthread
if (_acquisitionThread != null)
{
_acquisitionThread.Dispose();
}
//start experimental threads
FrameIndex = 0;
_acquisitionThread = new WorkerT <IExperiment>(TrackThreadRun, exp, true, 3000);
IsRunning = true;
}
