private void backgroundWorker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
Spectrometer spectrometer = e.Result as Spectrometer;
if (spectrometer == currentSpectrometer)
{
updateStartButton(false);
}
// should we auto-exit?
if (opts.autoStart && opts.scanCount > 0)
{
bool shutdown = true;
lock (spectrometers)
{
foreach (Spectrometer s in spectrometers)
{
SpectrometerState ss = spectrometerStates[s];
if (ss.scanCount < opts.scanCount)
{
shutdown = false;
}
}
}
if (shutdown)
{
Close();
}
}
}
////////////////////////////////////////////////////////////////////////
// Business Logic
////////////////////////////////////////////////////////////////////////
void initializeSpectrometer(Spectrometer s)
{
SpectrometerState state = new SpectrometerState(s, opts);
// TODO: move into SpectrometerState ctor
state.worker.DoWork += backgroundWorker_DoWork;
state.worker.RunWorkerCompleted += backgroundWorker_RunWorkerCompleted;
spectrometerStates.Add(s, state);
chart1.Series.Add(state.series);
if (!s.isARM)
{
s.triggerSource = TRIGGER_SOURCE.INTERNAL;
}
s.integrationTimeMS = s.eeprom.minIntegrationTimeMS;
numericUpDownIntegTimeMS.Value = s.eeprom.minIntegrationTimeMS;
numericUpDownIntegTimeMS.Minimum = s.eeprom.minIntegrationTimeMS;
// numericUpDownIntegTimeMS.Maximum = s.eeprom.maxIntegrationTimeMS; // disabled to allow long integration times
if (s.pixels > 0)
{
logger.info("Found {0} {1} with {2} pixels from {3:f2} to {4:f2}nm",
s.model, s.serialNumber, s.pixels, s.wavelengths[0], s.wavelengths[s.wavelengths.Length - 1]);
}
else
{
logger.error("Found [model: {0}] [serial: {1}] with {2} pixels", s.model, s.serialNumber, s.pixels);
}
// default to high-resolution laser power
s.laserPowerResolution = Spectrometer.LaserPowerResolution.LASER_POWER_RESOLUTION_1000;
}
////////////////////////////////////////////////////////////////////////
// BackgroundWorker: GUI Updates
////////////////////////////////////////////////////////////////////////
/// <summary>
/// Update the graph at 10Hz regardless of integration time(s)
/// (prevents CPU overruns).
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void backgroundWorkerGUIUpdate_DoWork(object sender, DoWorkEventArgs e)
{
logger.debug("GUIUpdate thread starting");
BackgroundWorker worker = sender as BackgroundWorker;
ushort lowFreqOperations = 0;
while (true)
{
Thread.Sleep(100);
if (worker.CancellationPending || shutdownPending)
{
break;
}
chart1.BeginInvoke(new MethodInvoker(delegate { updateGraph(); }));
// once a second, update temperatures
if (lowFreqOperations++ > 10)
{
foreach (Spectrometer s in spectrometers)
{
if (!s.isARM)
{
SpectrometerState state = spectrometerStates[s];
state.detTempDegC = s.detectorTemperatureDegC;
}
}
lowFreqOperations = 0;
}
}
logger.debug("GUIUpdate thread exiting");
}
private void checkBoxTakeDark_CheckedChanged(object sender, EventArgs e)
{
SpectrometerState state = spectrometerStates[currentSpectrometer];
lock (spectrometers)
{
if (checkBoxTakeDark.Checked)
{
if (state.spectrum != null)
{
currentSpectrometer.dark = state.spectrum;
state.spectrum = new double[currentSpectrometer.pixels];
checkBoxTakeReference.Enabled = true;
}
}
else
{
currentSpectrometer.dark = null;
// if we have no dark, then we can have no reference
state.reference = null;
checkBoxTakeReference.Checked =
checkBoxTakeReference.Enabled = false;
// if we have no dark, we can do no processing
radioButtonModeScope.Checked = true;
}
}
}
void updateGraph()
{
lock (spectrometers)
{
foreach (Spectrometer spectrometer in spectrometers)
{
SpectrometerState state = spectrometerStates[spectrometer];
if (state.spectrum == null)
{
// logger.debug("not graphing because spectrum null");
continue;
}
Series series = state.series;
series.Points.Clear();
if (graphWavenumbers && spectrometer.wavenumbers != null)
{
for (uint i = 0; i < spectrometer.pixels; i++)
{
series.Points.AddXY(spectrometer.wavenumbers[i], state.spectrum[i]);
}
}
else
{
for (uint i = 0; i < spectrometer.pixels; i++)
{
series.Points.AddXY(spectrometer.wavelengths[i], state.spectrum[i]);
}
}
// extra handling for current spectrometer
if (spectrometer == currentSpectrometer)
{
/// has spectra, so allow darks and traces
checkBoxTakeDark.Enabled =
buttonAddTrace.Enabled =
buttonSave.Enabled = true;
labelDetTempDegC.Text = String.Format("{0:f1}°C", state.detTempDegC);
}
}
chart1.ChartAreas[0].AxisY.IsStartedFromZero = false;
chart1.ChartAreas[0].RecalculateAxesScale();
}
}
private void buttonStart_Click(object sender, EventArgs e)
{
SpectrometerState state = spectrometerStates[currentSpectrometer];
if (!state.running)
{
logger.info("Starting acquisition");
updateStartButton(true);
state.worker.RunWorkerAsync(currentSpectrometer);
}
else
{
logger.info("Stopping acquisition");
state.worker.CancelAsync();
}
}
////////////////////////////////////////////////////////////////////////
// Background Worker: Acquisition Threads
////////////////////////////////////////////////////////////////////////
/// <summary>
/// Perform all acquisitions in background threads so the GUI stays responsive.
/// </summary>
/// <remarks>
/// Note that this method is used by potentially several different
/// BackgroundWorkers in parallel (one per attached spectrometer).
///
/// TODO: rename backgroundWorkerAcquisition
/// </remarks>
private void backgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
Spectrometer spectrometer = (Spectrometer)e.Argument;
SpectrometerState state = spectrometerStates[spectrometer];
string prefix = String.Format("Worker.{0}.{1}", spectrometer.model, spectrometer.serialNumber);
state.running = true;
BackgroundWorker worker = sender as BackgroundWorker;
while (true)
{
// end thread if we've been asked to cancel
if (worker.CancellationPending)
{
break;
}
// logger.debug("workerAcquisition: getting spectrum");
double[] raw = spectrometer.getSpectrum();
if (raw == null)
{
Thread.Sleep(100);
continue;
}
// process for graphing
lock (spectrometers)
state.processSpectrum(raw);
// end thread if we've completed our allocated acquisitions
if (opts.scanCount > 0 && state.scanCount >= opts.scanCount)
{
break;
}
int delayMS = (int)Math.Max(100, opts.scanIntervalSec * 1000);
if (delayMS > 0)
{
Thread.Sleep(delayMS);
}
}
state.running = false;
e.Result = spectrometer; // pass spectrometer handle to _Completed callback
}
private void buttonAddTrace_Click(object sender, EventArgs e)
{
SpectrometerState state = spectrometerStates[currentSpectrometer];
Series trace = new Series();
trace.IsVisibleInLegend = false;
trace.ChartType = SeriesChartType.Line;
foreach (DataPoint p in state.series.Points)
{
trace.Points.Add(p);
}
traces.Add(trace);
chart1.Series.Add(trace);
buttonClearTraces.Enabled = true;
}
private void buttonSave_Click(object sender, EventArgs e)
{
if (opts.saveDir.Length == 0)
{
if (!initSaveDir())
{
return;
}
}
// More complex implementations could save all spectra from all spectrometers;
// or include snapped traces; or export directly to multi-tab Excel spreadsheets.
lock (spectrometers)
{
SpectrometerState state = spectrometerStates[currentSpectrometer];
if (state.spectrum == null)
{
return;
}
state.save();
}
}
private void checkBoxTakeReference_CheckedChanged(object sender, EventArgs e)
{
SpectrometerState state = spectrometerStates[currentSpectrometer];
lock (spectrometers)
{
bool success = false;
if (checkBoxTakeReference.Checked)
{
if (state.spectrum != null)
{
// business logic should ensure this, but just in case
if (currentSpectrometer.dark != null)
{
state.reference = new double[state.spectrum.Length];
Array.Copy(state.spectrum, state.reference, state.spectrum.Length);
success = true;
radioButtonModeTransmission.Enabled = true;
radioButtonModeAbsorbance.Enabled = true;
}
else
{
logger.error("Can't take reference without dark");
}
}
}
if (!success)
{
state.reference = null;
radioButtonModeTransmission.Enabled = false;
radioButtonModeAbsorbance.Enabled = false;
}
}
}
void updateCurrentSpectrometer()
{
if (currentSpectrometer == null)
{
groupBoxSettings.Enabled =
groupBoxControl.Enabled =
toolStripMenuItemTest.Enabled = false;
return;
}
SpectrometerState state = spectrometerStates[currentSpectrometer];
// update tree view
// if (!state.spectrometer.isARM())
treeViewSettings_DoubleClick(null, null);
// update start button
updateStartButton(spectrometerStates[currentSpectrometer].running);
// update basic controls
numericUpDownIntegTimeMS.Value = currentSpectrometer.integrationTimeMS;
numericUpDownBoxcarHalfWidth.Value = currentSpectrometer.boxcarHalfWidth;
numericUpDownScanAveraging.Value = currentSpectrometer.scanAveraging;
// update TEC controls
numericUpDownDetectorSetpointDegC.Minimum = (int)currentSpectrometer.eeprom.detectorTempMin;
numericUpDownDetectorSetpointDegC.Maximum = (int)currentSpectrometer.eeprom.detectorTempMax;
numericUpDownDetectorSetpointDegC.Enabled = currentSpectrometer.eeprom.hasCooling;
// update laser controls
if (currentSpectrometer.hasLaser)
{
numericUpDownLaserPowerPerc.Enabled =
checkBoxLaserEnable.Enabled = true;
checkBoxLaserEnable.Checked = currentSpectrometer.laserEnabled;
}
else
{
numericUpDownLaserPowerPerc.Enabled =
checkBoxLaserEnable.Enabled =
checkBoxLaserEnable.Checked = false;
}
checkBoxTakeDark.Enabled = buttonSave.Enabled = state.spectrum != null;
checkBoxTakeReference.Enabled = state.spectrum != null && currentSpectrometer.dark != null;
if (state.processingMode == SpectrometerState.ProcessingModes.SCOPE)
{
radioButtonModeScope.Checked = true;
}
else if (state.processingMode == SpectrometerState.ProcessingModes.TRANSMISSION)
{
radioButtonModeTransmission.Checked = true;
}
else
{
radioButtonModeAbsorbance.Checked = true;
}
groupBoxSettings.Enabled =
groupBoxControl.Enabled =
toolStripMenuItemTest.Enabled =
labelDetTempDegC.Visible = true;
}