void on_cmd_startNoiseDefR(object sender, RoutedEventArgs e)
{
if (experiment != null)
{
experiment.Dispose();
}
var calPath = string.Format("{0}\\{1}", AppDomain.CurrentDomain.BaseDirectory, "NoiseCalibration");
var amplifierNoiseFilePath = string.Format("{0}\\{1}", calPath, "AmplifierNoise.dat");
var frequencyResponseFilePath = string.Format("{0}\\{1}", calPath, "FrequencyResponse.dat");
var amplifierNoise = ReadCalibrationFile(amplifierNoiseFilePath);
var frequencyResponse = ReadCalibrationFile(frequencyResponseFilePath);
var motorDriver = new SerialDevice("COM5", 115200, Parity.None, 8, StopBits.One);
IMotionController1D motor = new SA_2036U012V(motorDriver) as IMotionController1D;
experiment = new Noise_DefinedResistance(((measurementInterface as Noise_at_DefinedResistance).DataContext as Noise_DefinedResistanceModel).ExperimentSettings.AgilentU2542AResName, motor, amplifierNoise, frequencyResponse);
experiment.DataArrived += Noise_at_der_R_DataArrived;
experiment.Status += experimentStatus;
experiment.Progress += experimentProgress;
if (measurementInterface != null)
{
if (measurementInterface is Noise_at_DefinedResistance)
{
experiment.Start(((measurementInterface as Noise_at_DefinedResistance).DataContext as Noise_DefinedResistanceModel).ExperimentSettings);
}
}
}
void cmdStartNoise_Click(object sender, RoutedEventArgs e)
{
var control = measurementInterface as FET_Noise;
var settings = (control.DataContext as FET_NoiseModel).ExperimentSettings;
//control.chartFETOscilloscope.Children.RemoveAll(typeof(LineGraph));
//control.chartFETOscilloscope.Legend.Visibility = System.Windows.Visibility.Collapsed;
//control.graphFETNoise.Children.RemoveAll(typeof(NationalInstruments.Controls.Plot));
//var psdPlot = new NationalInstruments.Controls.Plot();
//control.graphFETNoise.Plots.Add(psdPlot);
//(measurementInterface as FET_Noise).chartFETNoise.Children.RemoveAll(typeof(LineGraph));
//(measurementInterface as FET_Noise).chartFETNoise.Legend.Visibility = System.Windows.Visibility.Collapsed;
//var psdGraph = new LineGraph(FETNoiseDataSource);
//psdGraph.AddToPlotter(control.chartFETNoise);
//control.chartFETNoise.Viewport.FitToView();
if (experiment != null)
{
experiment.Dispose();
}
var calPath = string.Format("{0}\\{1}", AppDomain.CurrentDomain.BaseDirectory, "NoiseCalibration");
var amplifierNoiseFilePath = string.Format("{0}\\{1}", calPath, "AmplifierNoise.dat");
var frequencyResponseFilePath = string.Format("{0}\\{1}", calPath, "FrequencyResponse.dat");
var amplifierNoise = ReadCalibrationFile(amplifierNoiseFilePath);
var frequencyResponse = ReadCalibrationFile(frequencyResponseFilePath);
experiment = new FET_Noise_Experiment(settings.AgilentU2542AResName, amplifierNoise, frequencyResponse);
experiment.ExpStarted += onExperimentStarted;
experiment.DataArrived += expFET_Noise_DataArrived;
experiment.Status += experimentStatus;
experiment.Progress += experimentProgress;
if (expStartInfo != null)
{
if (measurementInterface is FET_Noise)
{
experiment.Start(((measurementInterface as FET_Noise).DataContext as FET_NoiseModel).ExperimentSettings);
}
}
}
void run()
{
ToConsole("Initialising hardware.");
exp.Initialise(parameters);
ToConsole("Acquiring data...");
int numberOfScans = 0;
while (es.Equals(ExperimentState.IsRunning) || es.Equals(ExperimentState.IsPaused))
{
//Tell UI to clear in preparation for new data.
Clients.All.clearPlot();
currentDataSet = new DataSet();
int i = 0, iterationsSinceLastDataUpdate = 0;
while (i < parameters.ScanParams.NumberOfPoints)
{
//This is to break out mid-scan
if (es.Equals(ExperimentState.IsRunning))
{
//Need to call this whether acquiring or not... (otherwise DDS command doesn't get sent)
currentDataSet.Add(exp.SetupAndAcquire(parameters.ScanParams.ScanParameterValues[i]));
i++;
iterationsSinceLastDataUpdate++;
//Only send to plot if acquisition happened.
if (parameters.ScanParams.AcquireDataDuringScan)
{
//Cheezy solution for real time plotting. Update roughly every 0.5 seconds. If I update too often, it crashes on UI side.
if (iterationsSinceLastDataUpdate * parameters.ScanParams.Sleep > 500)
{
//Push data down to the client like this.
Clients.All.pushLatestData(currentDataSet.GetSubset(i - iterationsSinceLastDataUpdate, i).ToJson());
iterationsSinceLastDataUpdate = 0;
}
}
}
else if (es.Equals(ExperimentState.IsPaused))
{
//Only send to plot if acquisition happened.
if (parameters.ScanParams.AcquireDataDuringScan)
{
//Plots any residual data points during pause, if there is anything to plot
if (iterationsSinceLastDataUpdate != 0)
{
Clients.All.pushLatestData(currentDataSet.GetSubset(i - iterationsSinceLastDataUpdate, i).ToJson());
iterationsSinceLastDataUpdate = 0;
}
}
Thread.Sleep(1000);
}
else
{
break; //Somebody pressed the stop button during a scan.
}
}
if (parameters.ScanParams.AcquireDataDuringScan)
{
dataArchive.Add(currentDataSet);
numberOfScans++;
//Push data down to the client like this.
Clients.All.pushLatestData(currentDataSet.GetSubset(i - iterationsSinceLastDataUpdate, i).ToJson());
}
if (parameters.ScanParams.StopOnEOS)
{
es = ExperimentState.IsFinishing;
}
}
ToConsole("Acquisition/Move complete.");
ToConsole("Disposing hardware classes...");
exp.Dispose();
ToConsole("Disposed.");
ToConsole("Setting ExperimentState to stopped and closing thread...");
es = ExperimentState.IsStopped;
}
private void OnAppClosing(object sender, System.ComponentModel.CancelEventArgs e)
{
a.Dispose();
}