/// <summary>
/// Performs a high voltage calibration operation.
/// </summary>
/// <param name="voltage">The voltage to set in volts.</param>
/// <param name="duration">The length of the measurement to take.</param>
/// <param name="cancellationToken">A <see cref="CancellationToken"/> to monitor for cancellation requests.</param>
/// <exception cref="OperationCanceledException">Cancellation was requested.</exception>
/// <exception cref="Ptr32Exception">An error occurred communicating with the device.</exception>
private void PerformHVCalibration(int voltage, TimeSpan duration, CancellationToken cancellationToken)
{
System.Threading.Thread.CurrentThread.CurrentCulture = System.Globalization.CultureInfo.InvariantCulture;
try
{
m_logger.TraceEvent(LogLevels.Info, 0, "PTR-32[{0}]: Started HV calibration", DeviceName);
m_logger.Flush();
cancellationToken.ThrowIfCancellationRequested();
SetVoltage(voltage, MaxSetVoltageTime, cancellationToken);
cancellationToken.ThrowIfCancellationRequested();
Ptr32RateCounter counter = new Ptr32RateCounter(m_device);
counter.TakeMeasurement(duration, cancellationToken);
HVControl.HVStatus status = new HVControl.HVStatus();
status.HVread = m_device.Voltage;
status.HVsetpt = voltage;
for (int i = 0; i < Ptr32.ChannelCount; i++)
{
status.counts[i] = (ulong)counter.ChannelCounts[i];
}
lock (m_monitor) {
m_cancellationTokenSource.Dispose();
m_cancellationTokenSource = null;
}
m_logger.TraceEvent(LogLevels.Info, 0,
"PTR-32[{0}]: Finished HV calibration; read {1} bytes in {2}s",
DeviceName, counter.ByteCount, counter.Time.TotalSeconds);
m_logger.Flush();
DAQControl.gControl.AppendHVCalibration(status);
DAQControl.gControl.StepHVCalibration();
}
catch (OperationCanceledException) {
m_logger.TraceEvent(LogLevels.Info, 0, "PTR-32[{0}]: Stopped HV calibration", DeviceName);
m_logger.Flush();
DAQState = DAQInstrState.Online;
DAQControl.CurState.State = DAQInstrState.Online;
DAQControl.gControl.MajorOperationCompleted(); // causes pending control thread caller to move forward
PendingComplete();
//throw; running in a task, don't throw
}
catch (Exception ex) {
m_logger.TraceEvent(LogLevels.Error, 0, "PTR-32[{0}]: Error during HV calibration: {1}", DeviceName, ex.Message);
m_logger.TraceException(ex, true);
m_logger.Flush();
DAQState = DAQInstrState.Online;
DAQControl.CurState.State = DAQInstrState.Online;
DAQControl.gControl.MajorOperationCompleted(); // causes pending control thread caller to move forward
PendingComplete();
//throw; running in a task, don't throw
}
}
/// <summary>
/// Performs a high voltage calibration operation.
/// </summary>
/// <param name="voltage">The voltage to set in volts.</param>
/// <param name="duration">The length of the measurement to take.</param>
/// <param name="cancellationToken">A <see cref="CancellationToken"/> to monitor for cancellation requests.</param>
/// <exception cref="OperationCanceledException">Cancellation was requested.</exception>
/// <exception cref="MCADeviceLostConnectionException">An error occurred communicating with the device.</exception>
private void PerformHVCalibration(Measurement measurement, int voltage, TimeSpan duration, CancellationToken cancellationToken)
{
Thread.CurrentThread.CurrentCulture = System.Globalization.CultureInfo.InvariantCulture;
try
{
m_logger.TraceEvent(LogLevels.Info, 0, "MCA527[{0}]: Started HV calibration", DeviceName);
m_logger.Flush();
cancellationToken.ThrowIfCancellationRequested();
uint x = SetVoltage((ushort)voltage, MaxSetVoltageTime, cancellationToken);
cancellationToken.ThrowIfCancellationRequested();
HVControl.HVStatus status = new HVControl.HVStatus();
status.HVread = (int)m_device.GetHighVoltage();
status.HVsetpt = voltage;
/// begin TakeMeasurement
measurement.Cycles.Clear();
Cycle cycle = new Cycle(m_logger);
cycle.UpdateDataSourceId(DetectorDefs.ConstructedSource.Live, DetectorDefs.InstrType.MCA527, DateTimeOffset.Now, string.Empty);
measurement.Add(cycle);
RDT.StartCycle(cycle);
cycle.ExpectedTS = new TimeSpan(duration.Ticks); // expected is that requested for HV, not acquire
((MCA527ProcessingState)(RDT.State)).writingFile = false; // never for HV
measurement.AnalysisParams = new CountingAnalysisParameters();
measurement.AnalysisParams.Add(new BaseRate()); // prep for a single cycle
measurement.CountTimeInSeconds = duration.TotalSeconds; // the requested count time
measurement.RequestedRepetitions = measurement.CurrentRepetition = 1; // 1 rep, always set to complete
measurement.InitializeResultsSummarizers(); // reset data structures
RDT.SetupCountingAnalyzerHandler(NC.App.Config, DetectorDefs.ConstructedSourceExtensions.TimeBase(DetectorDefs.ConstructedSource.Live, DetectorDefs.InstrType.MCA527));
RDT.PrepareAndStartCountingAnalyzers(measurement.AnalysisParams); // 1 rate counter
m_setvoltage = false; // override DB settings here
PerformAssay(measurement, new MeasTrackParams()
{
seq = 1, interval = duration.TotalSeconds
}, cancellationToken);
/// end TakeMeasurement
for (int i = 0; i < 1; i++)
{
status.counts[i] = (ulong)cycle.HitsPerChannel[i];
}
if (m_cancellationTokenSource != null)
{
lock (m_monitor)
{
m_cancellationTokenSource.Dispose();
m_cancellationTokenSource = null;
}
}
DAQControl.gControl.AppendHVCalibration(status);
DAQControl.gControl.StepHVCalibration();
}
catch (OperationCanceledException)
{
m_logger.TraceEvent(LogLevels.Info, 0, "MCA527[{0}]: Stopped HV calibration", DeviceName);
m_logger.Flush();
DAQControl.gControl.MajorOperationCompleted(); // causes pending control thread caller to move forward
PendingComplete();
//throw;
}
catch (Exception ex)
{
m_logger.TraceEvent(LogLevels.Error, 0, "MCA527[{0}]: Error during HV calibration: {1}", DeviceName, ex.Message);
m_logger.TraceException(ex, true);
m_logger.Flush();
DAQControl.gControl.MajorOperationCompleted(); // causes pending control thread caller to move forward
PendingComplete();
//throw;
}
}
