ODMR.cpp

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// This file is part of DynExp.
 
#include "stdafx.h"
#include "ui_ODMR.h"
#include "ODMR.h"
 
namespace DynExpModule::ODMR
{
    void ODMRData::ResetImpl(dispatch_tag<QModuleDataBase>)
    {
        Init();
    }
 
    unsigned long long ODMRData::GetSweepNumberSteps() const noexcept
    {
        if (!SweepSeriesEnabled || SweepSeriesStep <= 0)
            return 0;
 
        return std::floor(std::abs(SweepSeriesStop - SweepSeriesStart) / SweepSeriesStep) + 1;
    }
 
    std::stringstream ODMRData::AssembleCSVHeader(double RFPower, double RFModulationDepth, double AuxAnalogOutValue, bool IsRFOffResonance)
    {
        std::stringstream CSVData;
 
        CSVData << std::setprecision(6);
        CSVData << "RFPower = " << RFPower << " " << GetRFGenerator()->GetValueUnitStr() << "\n";
        CSVData << "RFCenterFreq = " << RFCenterFreq << " Hz\n";
        CSVData << "RFFreqSpan = " << RFFreqSpan << " Hz\n";
        CSVData << "RFFreqSpacing = " << RFFreqSpacing << " Hz\n";
        CSVData << "RFDwellTime = " << RFDwellTime << " s\n";
 
        CSVData << "RFModulation = ";
        switch (RFModulation)
        {
        case RFModulationType::None: CSVData << "none\n"; break;
        case RFModulationType::Sine: CSVData << "sine\n"; break;
        case RFModulationType::Pulse: CSVData << "pulse\n"; break;
        default: CSVData << "\n";
        }
        CSVData << "RFModulationFreq = " << RFModulationFreq << " Hz\n";
        CSVData << "RFModulationDepth = " << RFModulationDepth << " Hz\n";
 
        CSVData << "ODMRSamplingRate = " << ODMRSamplingRate << " samples/s\n";
        CSVData << "CurrentSaveIndex = " << CurrentSaveIndex << "\n";
 
        CSVData << "IsRFOffResonance = " << (IsRFOffResonance ? "yes" : "no") << "\n";
        CSVData << "SensitivityEnabled = " << (SensitivityEnabled ? "yes" : "no") << "\n";
        CSVData << "SensitivityOncePerSweep = " << (SensitivityOncePerSweep ? "yes" : "no") << "\n";
        CSVData << "SensitivityOffResonanceEnabled = " << (SensitivityOffResonanceEnabled ? "yes" : "no") << "\n";
        CSVData << "SensitivityResonanceFreq = " << SensitivityResonanceFreq << " Hz\n";
        CSVData << "SensitivityOffResonanceFreq = " << SensitivityOffResonanceFreq << " Hz\n";
        CSVData << "SensitivityResonanceSpan = " << SensitivityResonanceSpan << " Hz\n";
        CSVData << "SensitivitySamplingRate = " << SensitivitySamplingRate << " samples/s\n";
        CSVData << "SensitivityDuration = " << SensitivityDuration << " s\n";
 
        CSVData << "SensitivityAnalysisEnabled = " << (SensitivityAnalysisEnabled ? "yes" : "no") << "\n";
        CSVData << "GyromagneticRatio = " << GyromagneticRatio << " Hz/T\n";
 
        CSVData << "SweepSeriesEnabled = " << (SweepSeriesEnabled ? "yes" : "no") << "\n";
        CSVData << "SweepSeries = ";
        switch (SweepSeries)
        {
        case SweepSeriesType::RFModulationDepth: CSVData << "RFModulationDepth\n"; break;
        case SweepSeriesType::RFPower: CSVData << "RFPower\n"; break;
        case SweepSeriesType::AnalogOut: CSVData << "AnalogOut\n"; break;
        default: CSVData << "\n";
        }
        CSVData << "SweepSeriesStart = " << SweepSeriesStart << "\n";
        CSVData << "SweepSeriesStop = " << SweepSeriesStop << "\n";
        CSVData << "SweepSeriesStep = " << SweepSeriesStep << "\n";
        CSVData << "SweepSeriesRetrace = " << (SweepSeriesRetrace ? "yes" : "no") << "\n";
        CSVData << "SweepSeriesAdvanceLastValue = " << (SweepSeriesAdvanceLastValue ? "yes" : "no") << "\n";
        CSVData << "CurrentSweepIndex = " << CurrentSweepIndex << "\n";
        CSVData << "AuxAnalogOutValue = " << AuxAnalogOutValue << "\n";
 
        if (TestFeature(ODMRData::FeatureType::LockinDetection))
        {
            auto& LockinInstr = dynamic_cast<const DynExpInstr::LockinAmplifier&>(*GetSignalDetector());
            auto LockinData = DynExp::dynamic_InstrumentData_cast<DynExpInstr::LockinAmplifier>(GetSignalDetector()->GetInstrumentData());
 
            auto Sensitivity = LockinData->GetSensitivity();
            auto TimeConstant = LockinData->GetTimeConstant();
            unsigned int FilterOrder = LockinData->GetFilterOrder();
 
            CSVData << "LockinSensitivity = " << Sensitivity << " " << LockinInstr.GetSensitivityUnitString() << "\n";
            CSVData << "LockinTimeConstant = " << TimeConstant << " s\n";
            CSVData << "LockinFilterOrder = " << FilterOrder << "\n";
        }
 
        CSVData << "HEADER_END\n";
 
        return CSVData;
    }
 
    void ODMRData::Init()
    {
        RFPower = -10;
        RFAutoEnabled = true;
        RFCenterFreq = 2.87e9;
        RFFreqSpan = 100e6;
        RFFreqSpacing = 10e3;
        RFDwellTime = 10e-3;
 
        RFModulation = RFModulationType::None;
        RFModulationFreq = 10e3;
        RFModulationDepth = 1e6;
 
        ODMRSamplingRate = .1e3;
 
        MeasurementMode = MeasurementModeType::All;
        SaveDataPath = "";
        CurrentSaveIndex = 0;
        AutosaveEnabled = false;
 
        SensitivityEnabled = false;
        SensitivityOncePerSweep = false;
        SensitivityOffResonanceEnabled = false;
        SensitivityResonanceFreq = 2.87e9;
        SensitivityOffResonanceFreq = 2.8e9;
        SensitivityResonanceSpan = 10e6;
        SensitivitySamplingRate = 1e3;
        SensitivityDuration = 1;
 
        SensitivityAnalysisEnabled = true;
        GyromagneticRatio = 28e9;
 
        SweepSeriesEnabled = false;
        SweepSeries = SweepSeriesType::RFModulationDepth;
        SweepSeriesStart = 1e3;
        SweepSeriesStop = 10e3;
        SweepSeriesStep = .1e3;
        SweepSeriesRetrace = true;
        SweepSeriesAdvanceLastValue = false;
        CurrentSweepIndex = 0;
 
        RFGeneratorMinFuncDesc = {};
        RFGeneratorMaxFuncDesc = {};
        RFGeneratorDefaultFuncDesc = {};
 
        AuxAnalogOutValueUnit = DynExpInstr::DataStreamInstrumentData::UnitType::Arbitrary;
        AuxAnalogOutMinValue = 0.0;
        AuxAnalogOutMaxValue = 1.0;
 
        AcquisitionTime = 0.0;
 
        ODMRPlot = ODMRPlotType();
        SensitivityPlot = SensitivityPlotType();
 
        Features = {};
    }
 
    ODMR::ODMR::ODMR(const std::thread::id OwnerThreadID, DynExp::ParamsBasePtrType&& Params)
        : QModuleBase(OwnerThreadID, std::move(Params)),
        StateMachine(InitializingState, ReadyState,
            MeasurementSeriesStepState, MeasurementSeriesInitState,
            ODMRTraceInitState, ODMRTraceWaitState, ODMRTraceFinishState,
            SensitivityInitState, SensitivityWaitState, SensitivityFinishState)
    {
    }
 
    std::chrono::milliseconds ODMR::ODMR::GetMainLoopDelay() const
    {
        auto CurrentState = StateMachine.GetCurrentState()->GetState();
 
        // If doing some measurement, run much faster.
        if (CurrentState == StateType::Ready)
            return std::chrono::milliseconds(30);
        else
            return std::chrono::milliseconds(2);
    }
 
    Util::DynExpErrorCodes::DynExpErrorCodes ODMR::ModuleMainLoop(DynExp::ModuleInstance& Instance)
    {
        try
        {
            auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance.ModuleDataGetter());
 
            if (ModuleData->TestFeature(ODMRData::FeatureType::LockinDetection))
            {
                auto LockinData = DynExp::dynamic_InstrumentData_cast<DynExpInstr::LockinAmplifier>(ModuleData->GetSignalDetector()->GetInstrumentData());
 
                ModuleData->AcquisitionTime = LockinData->GetAcquisitionTime();
            } // LockinData unlocked here.
 
            StateMachine.Invoke(*this, Instance);
 
            NumFailedUpdateAttempts = 0;
        }
        catch (const Util::TimeoutException& e)
        {
            if (NumFailedUpdateAttempts++ >= 3)
                Instance.GetOwner().SetWarning(e);
        }
 
        return Util::DynExpErrorCodes::NoError;
    }
 
    void ODMR::ResetImpl(dispatch_tag<QModuleBase>)
    {
        StateMachine.SetCurrentState(StateType::Initializing);
 
        NextRFPower = 0;
        NextRFModulationDepth = 0;
        NextAuxAnalogOutValue = 0;
 
        NumFailedUpdateAttempts = 0;
    }
 
    std::unique_ptr<DynExp::QModuleWidget> ODMR::MakeUIWidget()
    {
        auto Widget = std::make_unique<ODMRWidget>(*this);
 
        Connect(Widget->GetUI()->SBRFPower, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &ODMR::OnRFPowerChanged);
        Connect(Widget->GetUI()->CBRFAutoEnable, &QCheckBox::checkStateChanged, this, &ODMR::OnRFAutoEnableClicked);
        Connect(Widget->GetUI()->SBRFCenter, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &ODMR::OnRFCenterFreqChanged);
        Connect(Widget->GetUI()->SBRFSpan, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &ODMR::OnRFFreqSpanChanged);
        Connect(Widget->GetUI()->SBRFFreqSpacing, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &ODMR::OnRFFreqSpacingChanged);
        Connect(Widget->GetUI()->SBRFDwellTime, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &ODMR::OnRFDwellTimeChanged);
 
        Connect(Widget->GetUI()->RBRFModulationTypeNone, &QRadioButton::clicked, this, &ODMR::OnRFModNoneClicked);
        Connect(Widget->GetUI()->RBRFModulationTypeSine, &QRadioButton::clicked, this, &ODMR::OnRFModSineClicked);
        Connect(Widget->GetUI()->RBRFModulationTypePulse, &QRadioButton::clicked, this, &ODMR::OnRFModPulseClicked);
        Connect(Widget->GetUI()->SBRFModulationFreq, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &ODMR::OnRFModFreqChanged);
        Connect(Widget->GetUI()->SBRFModulationDepth, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &ODMR::OnRFModDepthChanged);
 
        Connect(Widget->GetUI()->SBDataAcquisitionODMRSamplingRate, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &ODMR::OnODMRSamplingRateChanged);
 
        Connect(Widget->GetUI()->LESaveDataPath, &QLineEdit::textChanged, this, &ODMR::OnSavePathChanged);
        Connect(Widget->GetUI()->SBSaveDataCurrentIndex, QOverload<int>::of(&QSpinBox::valueChanged), this, &ODMR::OnSaveIndexChanged);
        Connect(Widget->GetUI()->CBSaveDataEnable, &QCheckBox::checkStateChanged, this, &ODMR::OnAutosaveClicked);
 
        Connect(Widget->GetUI()->CBSensitivityEnable, &QCheckBox::checkStateChanged, this, &ODMR::OnRecordSensitivityClicked);
        Connect(Widget->GetUI()->CBSensitivityOncePerSweep, &QCheckBox::checkStateChanged, this, &ODMR::OnRecordSensitivityOncePerSweepClicked);
        Connect(Widget->GetUI()->CBSensitivityOffResEnable, &QCheckBox::checkStateChanged, this, &ODMR::OnRecordSensitivityOffResonanceClicked);
        Connect(Widget->GetUI()->SBSensitivityFreq, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &ODMR::OnSensitivityResonanceFreqChanged);
        Connect(Widget->GetUI()->SBSensitivityOffResFreq, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &ODMR::OnSensitivityOffResonanceFreqChanged);
        Connect(Widget->GetUI()->SBSensitivitySpan, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &ODMR::OnSensitivityResonanceSpanChanged);
        Connect(Widget->GetUI()->SBSensitivitySamplingRate, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &ODMR::OnSensitivitySamplingRateChanged);
        Connect(Widget->GetUI()->SBSensitivityDuration, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &ODMR::OnSensitivityDurationChanged);
 
        Connect(Widget->GetUI()->GBSensitivityAnalysis, &QGroupBox::toggled, this, &ODMR::OnEnableSensitivityAnalysisClicked);
        Connect(Widget->GetUI()->SBGyromagneticRatio, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &ODMR::OnGyromagneticRatioChanged);
 
        Connect(Widget->GetUI()->CBParamSweepEnable, &QCheckBox::checkStateChanged, this, &ODMR::OnEnableSweepSeriesClicked);
        Connect(Widget->GetUI()->CBParamSweepType, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &ODMR::OnSweepSeriesParamChanged);
        Connect(Widget->GetUI()->SBParamSweepStart, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &ODMR::OnSweepSeriesStartChanged);
        Connect(Widget->GetUI()->SBParamSweepStop, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &ODMR::OnSweepSeriesStopChanged);
        Connect(Widget->GetUI()->SBParamSweepStep, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &ODMR::OnSweepSeriesStepChanged);
        Connect(Widget->GetUI()->CBParamSweepRetrace, &QCheckBox::checkStateChanged, this, &ODMR::OnSweepSeriesRetraceClicked);
        Connect(Widget->GetUI()->CBParamSweepAdvanceLastValue, &QCheckBox::checkStateChanged, this, &ODMR::OnSweepSeriesAdvanceLastValueClicked);
 
        Connect(Widget->GetUI()->BStart, &QPushButton::clicked, this, &ODMR::OnStartClicked);
        Connect(Widget->GetUI()->BStartSensitivity, &QPushButton::clicked, this, &ODMR::OnStartSensitivityClicked);
        Connect(Widget->GetUI()->BStop, &QPushButton::clicked, this, &ODMR::OnStopClicked);
        Connect(Widget->GetUI()->BRFOn, &QPushButton::clicked, this, &ODMR::OnRFOnClicked);
        Connect(Widget->GetUI()->BRFOff, &QPushButton::clicked, this, &ODMR::OnRFOffClicked);
 
        return Widget;
    }
 
    void ODMR::UpdateUIChild(const ModuleBase::ModuleDataGetterType& ModuleDataGetter)
    {
        auto Widget = GetWidget<ODMRWidget>();
        ODMRPlotType ODMRPlot;
        SensitivityPlotType SensitivityPlot;
 
        {
            auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(ModuleDataGetter());
 
            if (StateMachine.GetCurrentState()->GetState() == StateType::Initializing)
                return;
 
            Widget->InitializeUI(ModuleData);
            Widget->SetUIState(StateMachine.GetCurrentState(), ModuleData);
            Widget->UpdateUIData(ModuleData);
 
            if (ModuleData->ODMRPlot.HasChanged)
            {
                ODMRPlot = ModuleData->ODMRPlot;
                ModuleData->ODMRPlot.HasChanged = false;
            }
            if (ModuleData->SensitivityPlot.HasChanged)
            {
                SensitivityPlot = ModuleData->SensitivityPlot;
                ModuleData->SensitivityPlot.HasChanged = false;
            }
        } // ModuleData unlocked here (heavy plot operations follow).
 
        if (ODMRPlot.HasChanged)
        {
            Widget->UpdateODMRPlot(ODMRPlot);
            ConnectChartWidgets(Widget->GetODMRDataSeries());
        }
        if (SensitivityPlot.HasChanged)
            Widget->UpdateSensitivityPlot(SensitivityPlot);
    }
 
    void ODMR::InitSweepValues(Util::SynchronizedPointer<ModuleDataType>& ModuleData)
    {
        NextRFPower = ModuleData->RFPower;
        NextRFModulationDepth = ModuleData->RFModulationDepth;
        NextAuxAnalogOutValue = (ModuleData->AuxAnalogOutMinValue <= 0 && ModuleData->AuxAnalogOutMaxValue >= 0) ? 0 : ModuleData->AuxAnalogOutMinValue;
 
        if (!ModuleData->SweepSeriesEnabled || !ModuleData->GetSweepNumberSteps())
            return;
 
        decltype(ModuleData->CurrentSweepIndex) SweepIndex = ModuleData->CurrentSweepIndex;
        if (ModuleData->SweepSeriesAdvanceLastValue && SweepIndex == 1)
            SweepIndex = ModuleData->GetSweepNumberSteps() - 1;
        else if (ModuleData->SweepSeriesAdvanceLastValue && SweepIndex > 1)
            --SweepIndex;
 
        switch (ModuleData->SweepSeries)
        {
        case ODMRData::SweepSeriesType::RFModulationDepth:
            NextRFModulationDepth = (ModuleData->SweepSeriesStart + SweepIndex * std::abs(ModuleData->SweepSeriesStep)) * 1e3;
            break;
        case ODMRData::SweepSeriesType::RFPower:
            NextRFPower = ModuleData->SweepSeriesStart + SweepIndex * std::abs(ModuleData->SweepSeriesStep);
            break;
        case ODMRData::SweepSeriesType::AnalogOut:
            NextAuxAnalogOutValue = ModuleData->SweepSeriesStart + SweepIndex * std::abs(ModuleData->SweepSeriesStep);
            break;
        }
    }
 
    void ODMR::InitRFGenerator(double Frequency, bool EnableRF, Util::SynchronizedPointer<ModuleDataType>& ModuleData) const
    {
        ModuleData->GetRFGenerator()->SetSineFunction({ Frequency, NextRFPower, 0, 0 }, false, EnableRF);
        ModuleData->GetRFGenerator()->SetModulation({
                ModuleData->RFModulation == ODMRData::RFModulationType::None ?
                    DynExpInstr::FunctionGeneratorDefs::ModulationDescType::ModulationType::Disabled :
                    DynExpInstr::FunctionGeneratorDefs::ModulationDescType::ModulationType::Frequency,
                NextRFModulationDepth,
                ModuleData->RFModulationFreq,
                ModuleData->RFModulation == ODMRData::RFModulationType::Pulse ?
                    DynExpInstr::FunctionGeneratorDefs::ModulationDescType::ModulationShapeType::Pulse :
                DynExpInstr::FunctionGeneratorDefs::ModulationDescType::ModulationShapeType::Sine
            });
    }
 
    void ODMR::SetAuxAnalogOutValue(Util::SynchronizedPointer<ModuleDataType>& ModuleData) const
    {
        if (ModuleData->TestFeature(ODMRData::FeatureType::AuxAnalogOut))
            ModuleData->GetAuxAnalogOut()->SetSync(NextAuxAnalogOutValue);
    }
 
    void ODMR::WaitUntilReadyAndTrigger(Util::SynchronizedPointer<ModuleDataType>& ModuleData) const
    {
        // Trigger on rising edge, so set to 0 now.
        ModuleData->GetTrigger()->SetSync(0);
 
        // Wait to ensure that trigger signal does not come too fast
        std::this_thread::sleep_for(std::chrono::milliseconds(200));
 
        // Prepare acquisition.
        ModuleData->GetSignalDetector()->Stop();
        ModuleData->GetSignalDetector()->Clear();
        ModuleData->GetSignalDetector()->Start();
 
        // Wait until every involved instrument is ready.
        DynExp::WaitForInstruments(*ModuleData->GetRFGenerator(), *ModuleData->GetSignalDetector(), *ModuleData->GetTrigger());
 
        // Trigger RF sweep and data acquisition now.
        ModuleData->GetTrigger()->SetSync(1);
    }
 
    void ODMR::ConnectChartWidgets(QLineSeries* ODMRLineSeries)
    {
        if (!ODMRLineSeries)
            return;
 
        Connect(ODMRLineSeries, &QXYSeries::hovered, this, &ODMR::OnODMRChartHovered);
        Connect(ODMRLineSeries, &QXYSeries::clicked, this, &ODMR::OnODMRChartClicked);
    }
 
    void ODMR::OnInit(DynExp::ModuleInstance* Instance) const
    {
        auto ModuleParams = DynExp::dynamic_Params_cast<ODMR>(Instance->ParamsGetter());
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
 
        Instance->LockObject(ModuleParams->RFGenerator, ModuleData->GetRFGenerator());
        Instance->LockObject(ModuleParams->SignalDetector, ModuleData->GetSignalDetector());
        Instance->LockObject(ModuleParams->TriggerOut, ModuleData->GetTrigger());
 
        ModuleData->RFGeneratorMinFuncDesc = ModuleData->GetRFGenerator()->GetMinCaps();
        ModuleData->RFGeneratorMaxFuncDesc = ModuleData->GetRFGenerator()->GetMaxCaps();
        ModuleData->RFGeneratorDefaultFuncDesc = ModuleData->GetRFGenerator()->GetParamDefaults();
 
        if (dynamic_cast<const DynExpInstr::LockinAmplifier*>(ModuleData->GetSignalDetector().get()))
            ModuleData->SetFeature(ODMRData::FeatureType::LockinDetection);
        else if (dynamic_cast<const DynExpInstr::AnalogIn*>(ModuleData->GetSignalDetector().get()))
            ModuleData->SetFeature(ODMRData::FeatureType::AnalogInDetection);
        ModuleData->GetSignalDetector()->Stop();
 
        if (ModuleParams->AuxAnalogOut.ContainsID())
        {
            Instance->LockObject(ModuleParams->AuxAnalogOut, ModuleData->GetAuxAnalogOut());
            ModuleData->SetFeature(ODMRData::FeatureType::AuxAnalogOut);
 
            ModuleData->AuxAnalogOutValueUnit = ModuleData->GetAuxAnalogOut()->GetValueUnit();
            ModuleData->AuxAnalogOutMinValue = ModuleData->GetAuxAnalogOut()->GetUserMinValue();
            ModuleData->AuxAnalogOutMaxValue = ModuleData->GetAuxAnalogOut()->GetUserMaxValue();
        }
    }
 
    void ODMR::OnExit(DynExp::ModuleInstance* Instance) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
 
        Instance->UnlockObject(ModuleData->GetRFGenerator());
        Instance->UnlockObject(ModuleData->GetSignalDetector());
        Instance->UnlockObject(ModuleData->GetTrigger());
        Instance->UnlockObject(ModuleData->GetAuxAnalogOut());
    }
 
    void ODMR::OnRFPowerChanged(DynExp::ModuleInstance* Instance, double Value) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->RFPower = Value;
    }
 
    void ODMR::OnRFAutoEnableClicked(DynExp::ModuleInstance* Instance, Qt::CheckState Checked) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->RFAutoEnabled = Checked == Qt::CheckState::Checked;
    }
 
    void ODMR::OnRFCenterFreqChanged(DynExp::ModuleInstance* Instance, double Value) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->RFCenterFreq = Value * 1e6;
    }
 
    void ODMR::OnRFFreqSpanChanged(DynExp::ModuleInstance* Instance, double Value) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->RFFreqSpan = Value * 1e6;
    }
 
    void ODMR::OnRFFreqSpacingChanged(DynExp::ModuleInstance* Instance, double Value) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->RFFreqSpacing = Value * 1e3;
    }
 
    void ODMR::OnRFDwellTimeChanged(DynExp::ModuleInstance* Instance, double Value) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->RFDwellTime = Value * 1e-3;
    }
 
    void ODMR::OnRFModNoneClicked(DynExp::ModuleInstance* Instance, bool Checked) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
 
        if (Checked)
            ModuleData->RFModulation = ODMRData::RFModulationType::None;
    }
 
    void ODMR::OnRFModSineClicked(DynExp::ModuleInstance* Instance, bool Checked) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
 
        if (Checked)
            ModuleData->RFModulation = ODMRData::RFModulationType::Sine;
    }
 
    void ODMR::OnRFModPulseClicked(DynExp::ModuleInstance* Instance, bool Checked) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
 
        if (Checked)
            ModuleData->RFModulation = ODMRData::RFModulationType::Pulse;
    }
 
    void ODMR::OnRFModFreqChanged(DynExp::ModuleInstance* Instance, double Value) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->RFModulationFreq = Value * 1e3;
    }
 
    void ODMR::OnRFModDepthChanged(DynExp::ModuleInstance* Instance, double Value) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->RFModulationDepth = Value * 1e3;
    }
 
    void ODMR::OnODMRSamplingRateChanged(DynExp::ModuleInstance* Instance, double Value) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->ODMRSamplingRate = Value;
    }
 
    void ODMR::OnSavePathChanged(DynExp::ModuleInstance* Instance, QString Path) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->SaveDataPath = Path.toStdString();
    }
 
    void ODMR::OnSaveIndexChanged(DynExp::ModuleInstance* Instance, int Index) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->CurrentSaveIndex = Index;
    }
 
    void ODMR::OnAutosaveClicked(DynExp::ModuleInstance* Instance, Qt::CheckState Checked) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->AutosaveEnabled = Checked == Qt::CheckState::Checked;
    }
 
    void ODMR::OnRecordSensitivityClicked(DynExp::ModuleInstance* Instance, Qt::CheckState Checked) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->SensitivityEnabled = Checked == Qt::CheckState::Checked;
    }
 
    void ODMR::OnRecordSensitivityOncePerSweepClicked(DynExp::ModuleInstance* Instance, Qt::CheckState Checked) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->SensitivityOncePerSweep = Checked == Qt::CheckState::Checked;
    }
 
    void ODMR::OnRecordSensitivityOffResonanceClicked(DynExp::ModuleInstance* Instance, Qt::CheckState Checked) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->SensitivityOffResonanceEnabled = Checked == Qt::CheckState::Checked;
    }
 
    void ODMR::OnSensitivityResonanceFreqChanged(DynExp::ModuleInstance* Instance, double Value) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->SensitivityResonanceFreq = Value * 1e6;
    }
 
    void ODMR::OnSensitivityOffResonanceFreqChanged(DynExp::ModuleInstance* Instance, double Value) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->SensitivityOffResonanceFreq = Value * 1e6;
    }
 
    void ODMR::OnSensitivityResonanceSpanChanged(DynExp::ModuleInstance* Instance, double Value) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->SensitivityResonanceSpan = Value * 1e6;
    }
 
    void ODMR::OnSensitivitySamplingRateChanged(DynExp::ModuleInstance* Instance, double Value) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->SensitivitySamplingRate = Value;
    }
 
    void ODMR::OnSensitivityDurationChanged(DynExp::ModuleInstance* Instance, double Value) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->SensitivityDuration = Value;
    }
 
    void ODMR::OnEnableSensitivityAnalysisClicked(DynExp::ModuleInstance* Instance, bool Checked) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->SensitivityAnalysisEnabled = Checked;
    }
 
    void ODMR::OnGyromagneticRatioChanged(DynExp::ModuleInstance* Instance, double Value) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->GyromagneticRatio = Value * 1e6;
    }
 
    void ODMR::OnEnableSweepSeriesClicked(DynExp::ModuleInstance* Instance, Qt::CheckState Checked) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->SweepSeriesEnabled = Checked == Qt::CheckState::Checked;
    }
 
    void ODMR::OnSweepSeriesParamChanged(DynExp::ModuleInstance* Instance, int Index) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
 
        switch (Index)
        {
        case 0: ModuleData->SweepSeries = ODMRData::SweepSeriesType::RFModulationDepth; break;
        case 1: ModuleData->SweepSeries = ODMRData::SweepSeriesType::RFPower; break;
        case 2:
            if (ModuleData->TestFeature(ODMRData::FeatureType::AuxAnalogOut))
                ModuleData->SweepSeries = ODMRData::SweepSeriesType::AnalogOut;
            break;
        }
    }
 
    void ODMR::OnSweepSeriesStartChanged(DynExp::ModuleInstance* Instance, double Value) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->SweepSeriesStart = Value;
    }
 
    void ODMR::OnSweepSeriesStopChanged(DynExp::ModuleInstance* Instance, double Value) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->SweepSeriesStop = Value;
    }
 
    void ODMR::OnSweepSeriesStepChanged(DynExp::ModuleInstance* Instance, double Value) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->SweepSeriesStep = Value;
    }
 
    void ODMR::OnSweepSeriesRetraceClicked(DynExp::ModuleInstance* Instance, Qt::CheckState Checked) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->SweepSeriesRetrace = Checked == Qt::CheckState::Checked;
    }
 
    void ODMR::OnSweepSeriesAdvanceLastValueClicked(DynExp::ModuleInstance* Instance, Qt::CheckState Checked) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->SweepSeriesAdvanceLastValue = Checked == Qt::CheckState::Checked;
    }
 
    void ODMR::OnStartClicked(DynExp::ModuleInstance* Instance, bool) const
    {
        if (!IsReadyState())
            return;
 
        StateMachine.SetCurrentState(StateType::MeasurementSeriesInit);
 
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->MeasurementMode = ODMRData::MeasurementModeType::All;
    }
 
    void ODMR::OnStartSensitivityClicked(DynExp::ModuleInstance* Instance, bool) const
    {
        if (!IsReadyState())
            return;
            
        StateMachine.SetCurrentState(StateType::MeasurementSeriesInit);
 
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->MeasurementMode = ODMRData::MeasurementModeType::SensitivityOnly;
    }
 
    void ODMR::OnStopClicked(DynExp::ModuleInstance* Instance, bool) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
 
        if (ModuleData->RFAutoEnabled)
            ModuleData->GetRFGenerator()->Stop();
        ModuleData->GetSignalDetector()->Stop();
 
        StateMachine.ResetContext();
        StateMachine.SetCurrentState(StateType::Ready);
    }
 
    void ODMR::OnRFOnClicked(DynExp::ModuleInstance* Instance, bool) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->GetRFGenerator()->Start();
    }
 
    void ODMR::OnRFOffClicked(DynExp::ModuleInstance* Instance, bool) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->GetRFGenerator()->Stop();
    }
 
    void ODMR::OnODMRChartHovered(DynExp::ModuleInstance* Instance, QPointF Point, bool State) const
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->ODMRPlot.SelectedPoint = State ? Point : QPointF();
    }
 
    void ODMR::OnODMRChartClicked(DynExp::ModuleInstance* Instance, QPointF Point) const
    {
        if (Point.isNull())
            return;
 
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance->ModuleDataGetter());
        ModuleData->GetRFGenerator()->SetSineFunction({ Point.x() * 1e9 , ModuleData->RFPower, 0, 0});
    }
 
    StateType ODMR::ODMR::InitializingStateFunc(DynExp::ModuleInstance& Instance)
    {
        return StateType::Ready;
    }
 
    StateType ODMR::ODMR::ReadyStateFunc(DynExp::ModuleInstance& Instance)
    {
        return StateType::Ready;
    }
 
    StateType ODMR::MeasurementSeriesInitFunc(DynExp::ModuleInstance& Instance)
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance.ModuleDataGetter());
 
        ModuleData->CurrentSweepIndex = 0;
        InitSweepValues(ModuleData);
        
        if (ModuleData->TestFeature(ODMRData::FeatureType::LockinDetection))
        {
            auto LockinAmplifier = ModuleData->GetLockinAmplifier();
            LockinAmplifier->SetTriggerMode(DynExpInstr::LockinAmplifierDefs::TriggerModeType::ExternSingle);
            LockinAmplifier->SetTriggerEdge(DynExpInstr::LockinAmplifierDefs::TriggerEdgeType::Rise);
            LockinAmplifier->SetEnable(true);
        }
 
        return ModuleData->MeasurementMode == ODMRData::MeasurementModeType::All ? StateType::ODMRTraceInit : StateType::SensitivityInit;
    }
 
    StateType ODMR::MeasurementSeriesStepFunc(DynExp::ModuleInstance& Instance)
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance.ModuleDataGetter());
 
        if (!ModuleData->SweepSeriesEnabled || ++ModuleData->CurrentSweepIndex >= ModuleData->GetSweepNumberSteps())
        {
            ++ModuleData->CurrentSaveIndex;
 
            if (ModuleData->SweepSeriesEnabled && ModuleData->SweepSeriesRetrace)
            {
                ModuleData->CurrentSweepIndex = 0;
                InitSweepValues(ModuleData);
 
                SetAuxAnalogOutValue(ModuleData);
                InitRFGenerator(ModuleData->GetRFStartFreq(), false, ModuleData);
            }
            if (ModuleData->RFAutoEnabled)
                ModuleData->GetRFGenerator()->Stop();
 
            return StateType::Ready;
        }
 
        InitSweepValues(ModuleData);
 
        return ModuleData->MeasurementMode == ODMRData::MeasurementModeType::All ? StateType::ODMRTraceInit : StateType::SensitivityInit;
    }
 
    StateType ODMR::ODMRTraceInitFunc(DynExp::ModuleInstance& Instance)
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance.ModuleDataGetter());
 
        SetAuxAnalogOutValue(ModuleData);
        InitRFGenerator(ModuleData->GetRFStartFreq(), ModuleData->RFAutoEnabled, ModuleData);
        ModuleData->GetRFGenerator()->SetSweep({
            DynExpInstr::FunctionGeneratorDefs::SweepDescType::SweepType::Frequency,
            ModuleData->GetRFStartFreq(),
            ModuleData->GetRFStopFreq(),
            ModuleData->RFFreqSpacing,
            ModuleData->RFDwellTime * 1000,
            true
        });
        ModuleData->GetRFGenerator()->SetTrigger({
            DynExpInstr::FunctionGeneratorDefs::TriggerDescType::TriggerModeType::ExternSingle,
            DynExpInstr::FunctionGeneratorDefs::TriggerDescType::TriggerEdgeType::Rise
        });
 
        if (ModuleData->TestFeature(ODMRData::FeatureType::LockinDetection))
        {
            auto LockinAmplifier = ModuleData->GetLockinAmplifier();
            LockinAmplifier->SetStreamSize(ModuleData->RFDwellTime * ModuleData->GetNumSamples() * ModuleData->ODMRSamplingRate);
            LockinAmplifier->SetSamplingRate(ModuleData->ODMRSamplingRate);
        }
 
        WaitUntilReadyAndTrigger(ModuleData);
 
        return StateType::ODMRTraceWait;
    }
 
    StateType ODMR::ODMRTraceWaitFunc(DynExp::ModuleInstance& Instance)
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance.ModuleDataGetter());
 
        return ModuleData->GetSignalDetector()->HasFinished() ? StateType::ODMRTraceFinish : StateType::ODMRTraceWait;
    }
 
    StateType ODMR::ODMRTraceFinishFunc(DynExp::ModuleInstance& Instance)
    {
        std::vector<std::tuple<double, double, double>> SaveSamples;
        bool Save = false;
        bool PerformSensitivityMeasurement = false;
        double RFStartFreq{};
        decltype(ODMRData::RFDwellTime) RFDwellTime{};
        decltype(ODMRData::RFFreqSpacing) RFFreqSpacing{};
        bool IsBasicSampleTimeUsed{};
        double SamplingRate{ .0 };
        DynExpInstr::DataStreamBase::BasicSampleListType ODMRSamples;
        decltype(ODMRPlotType::DataPoints) ODMRDataPoints;
        decltype(ODMRPlotType::DataPointsMinValues) ODMRDataPointsMinValues = { std::numeric_limits<double>::max(), std::numeric_limits<double>::max() };
        decltype(ODMRPlotType::DataPointsMaxValues) ODMRDataPointsMaxValues = { std::numeric_limits<double>::lowest(), std::numeric_limits<double>::lowest() };
        decltype(ODMRData::SensitivityResonanceFreq) SensitivityResonanceFreq{};
        decltype(ODMRData::SensitivityResonanceSpan) SensitivityResonanceSpan{};
        decltype(ODMRPlotType::FitParams) ODMRFitParams{};
        decltype(ODMRPlotType::FitPoints) ODMRFitPoints{};
        std::vector<double> FitXData;
        std::vector<double> FitYData;
        std::string Filename;
        std::string ValueUnitStr;
        std::stringstream CSVData;
 
        {
            auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance.ModuleDataGetter());
 
            if (!ModuleData->GetSignalDetector()->CanRead())
                return StateType::ODMRTraceFinish;
 
            Save = ModuleData->AutosaveEnabled;
            PerformSensitivityMeasurement = ModuleData->SensitivityEnabled && (!ModuleData->SensitivityOncePerSweep || !ModuleData->CurrentSweepIndex);
            RFStartFreq = ModuleData->GetRFStartFreq();
            RFDwellTime = ModuleData->RFDwellTime;
            RFFreqSpacing = ModuleData->RFFreqSpacing;
            SensitivityResonanceFreq = ModuleData->SensitivityResonanceFreq;
            SensitivityResonanceSpan = ModuleData->SensitivityResonanceSpan;
 
            auto SignalDetectorData = DynExp::dynamic_InstrumentData_cast<DynExpInstr::DataStreamInstrument>(ModuleData->GetSignalDetector()->GetInstrumentData());
            SignalDetectorData->GetSampleStream()->SeekBeg(std::ios_base::in);
            ODMRSamples = SignalDetectorData->GetSampleStream()->ReadBasicSamples(SignalDetectorData->GetSampleStream()->GetStreamSizeRead());
 
            IsBasicSampleTimeUsed = SignalDetectorData->GetSampleStream()->IsBasicSampleTimeUsed();
            if (!IsBasicSampleTimeUsed && ModuleData->TestFeature(ODMRData::FeatureType::AnalogInDetection))
            {
                SamplingRate = ModuleData->GetAnalogIn()->GetNumericSampleStreamParams().SamplingRate;
 
                if (SamplingRate == .0)
                    throw Util::InvalidDataException("The analog input channel's sampling rate must not be 0.");
            }
 
        } // ModuleData unlocked here (heavy calculation follows).
 
        for (size_t i = 0; i < ODMRSamples.size(); ++i)
        {
            const auto& Sample = ODMRSamples[i];
 
            auto Frequency = RFStartFreq + (IsBasicSampleTimeUsed ? Sample.Time : (static_cast<double>(i) / SamplingRate)) / RFDwellTime * RFFreqSpacing;
            ODMRDataPoints.push_back({ Frequency / 1e9, Sample.Value });
            ODMRDataPointsMinValues = { std::min(ODMRDataPointsMinValues.x(), Frequency / 1e9), std::min(ODMRDataPointsMinValues.y(), Sample.Value) };
            ODMRDataPointsMaxValues = { std::max(ODMRDataPointsMaxValues.x(), Frequency / 1e9), std::max(ODMRDataPointsMaxValues.y(), Sample.Value) };
            if (Save)
                SaveSamples.emplace_back(std::make_tuple(Frequency, Sample.Time, Sample.Value));
 
            if (PerformSensitivityMeasurement &&
                Frequency >= SensitivityResonanceFreq - SensitivityResonanceSpan / 2 &&
                Frequency <= SensitivityResonanceFreq + SensitivityResonanceSpan / 2)
            {
                FitXData.push_back(Frequency - SensitivityResonanceFreq);
                FitYData.push_back(Sample.Value);
            }
        }
 
        if (PerformSensitivityMeasurement)
        {
            double c0{0}, c1{0}, cov00{0}, cov01{0}, cov11{0}, chisq{0};
            gsl_fit_linear(FitXData.data(), 1, FitYData.data(), 1, FitXData.size(), &c0, &c1, &cov00, &cov01, &cov11, &chisq);
            ODMRFitParams = { c0, c1 };
 
            for (const auto& f : FitXData)
                ODMRFitPoints.push_back({ (f + SensitivityResonanceFreq) / 1e9, c0 + c1 * f });
        }
 
        {
            auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance.ModuleDataGetter());
 
            ModuleData->ODMRPlot.DataPoints = std::move(ODMRDataPoints);
            ModuleData->ODMRPlot.DataPointsMinValues = ODMRDataPointsMinValues;
            ModuleData->ODMRPlot.DataPointsMaxValues = ODMRDataPointsMaxValues;
            ModuleData->ODMRPlot.FitParams = ODMRFitParams;
            ModuleData->ODMRPlot.FitPoints = ODMRFitPoints;
            ModuleData->ODMRPlot.HasChanged = true;
 
            Filename = Util::RemoveExtFromPath(ModuleData->SaveDataPath) + "_ODMR" + Util::ToStr(ModuleData->CurrentSaveIndex) + "_Sweep" + Util::ToStr(ModuleData->CurrentSweepIndex) + ".csv";
            ValueUnitStr = ModuleData->GetSignalDetector()->GetValueUnitStr();
 
            if (Save)
                CSVData = ModuleData->AssembleCSVHeader(NextRFPower, NextRFModulationDepth, NextAuxAnalogOutValue, false);
        } // ModuleData unlocked here.
 
        if (Save)
        {
            CSVData << "f(Hz);t(s);Value(" << ValueUnitStr << ")\n";
            for (const auto& Sample : SaveSamples)
                CSVData << std::get<0>(Sample) << ";" << std::get<1>(Sample) << ";" << std::get<2>(Sample) << "\n";
 
            Util::SaveToFile(QString::fromStdString(Filename), CSVData.str());
        }
 
        return PerformSensitivityMeasurement ? StateType::SensitivityInit : StateType::MeasurementSeriesStep;
    }
 
    StateType ODMR::SensitivityInitFunc(DynExp::ModuleInstance& Instance)
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance.ModuleDataGetter());
 
        // No sensitivity calculation if detection is not performed with a lock-in amplifer since in this case it is not possible
        // to measure the ODMR signal's derivative directly.
        if (!ModuleData->TestFeature(ODMRData::FeatureType::LockinDetection))
        {
            StateMachine.ResetContext();
            return StateType::MeasurementSeriesStep;
        }
 
        SetAuxAnalogOutValue(ModuleData);
        ModuleData->GetRFGenerator()->SetSweep({});     // Disable sweep.
        ModuleData->GetRFGenerator()->SetTrigger({});   // Disable trigger.
        auto RFFreq = StateMachine.GetContext() == &SensitivityOffResonanceContext ? ModuleData->SensitivityOffResonanceFreq : ModuleData->SensitivityResonanceFreq;
        InitRFGenerator(RFFreq, ModuleData->RFAutoEnabled, ModuleData);
 
        auto LockinAmplifier = ModuleData->GetLockinAmplifier();
        LockinAmplifier->SetStreamSize(ModuleData->SensitivityDuration * ModuleData->SensitivitySamplingRate);
        LockinAmplifier->SetSamplingRate(ModuleData->SensitivitySamplingRate);
 
        WaitUntilReadyAndTrigger(ModuleData);
 
        return StateType::SensitivityWait;
    }
 
    StateType ODMR::SensitivityWaitFunc(DynExp::ModuleInstance& Instance)
    {
        auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance.ModuleDataGetter());
 
        return ModuleData->GetSignalDetector()->HasFinished() ? StateType::SensitivityFinish : StateType::SensitivityWait;
    }
 
    StateType ODMR::SensitivityFinishFunc(DynExp::ModuleInstance& Instance)
    {
        std::vector<std::tuple<double, double>> SaveSamples;
        ODMRData::MeasurementModeType MeasurementMode = ODMRData::MeasurementModeType::All;
        bool Save = false;
        bool SensitivityOffResonanceEnabled = false;
        bool SensitivityAnalysisEnabled = false;
        decltype(ODMRPlotType::FitParams) ODMRFitParams{};
        decltype(ODMRData::GyromagneticRatio) GyromagneticRatio{};
        DynExpInstr::DataStreamBase::BasicSampleListType SensitivitySamples;
        std::vector<std::complex<double>> SensitivityASD;
        decltype(SensitivityPlotType::DataPoints) SensitivityDataPoints;
        decltype(SensitivityPlotType::DataPointsMinValues) SensitivityDataPointsMinValues = { std::numeric_limits<double>::max(), std::numeric_limits<double>::max() };
        decltype(SensitivityPlotType::DataPointsMaxValues) SensitivityDataPointsMaxValues = { std::numeric_limits<double>::lowest(), std::numeric_limits<double>::lowest() };
        std::string Filename;
        std::string FilenamePrefix;
        std::string ValueUnitStr;
        std::stringstream CSVData;
 
        {
            auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance.ModuleDataGetter());
 
            if (!ModuleData->GetSignalDetector()->CanRead())
                return StateType::SensitivityFinish;
 
            MeasurementMode = ModuleData->MeasurementMode;
            Save = ModuleData->AutosaveEnabled;
            SensitivityOffResonanceEnabled = ModuleData->SensitivityOffResonanceEnabled;
            SensitivityAnalysisEnabled = ModuleData->SensitivityAnalysisEnabled;
            ODMRFitParams = ModuleData->ODMRPlot.FitParams;
            GyromagneticRatio = ModuleData->GyromagneticRatio;
 
            auto SignalDetectorData = DynExp::dynamic_InstrumentData_cast<DynExpInstr::DataStreamInstrument>(ModuleData->GetSignalDetector()->GetInstrumentData());
            SignalDetectorData->GetSampleStream()->SeekBeg(std::ios_base::in);
            SensitivitySamples = SignalDetectorData->GetSampleStream()->ReadBasicSamples(SignalDetectorData->GetSampleStream()->GetStreamSizeRead());
        } // ModuleData unlocked here (heavy calculation follows).
 
        for (const auto& Sample : SensitivitySamples)
        {
            SaveSamples.emplace_back(std::make_tuple(Sample.Time, Sample.Value));
 
            if (MeasurementMode == ODMRData::MeasurementModeType::All && StateMachine.GetContext() != &SensitivityOffResonanceContext)
                SensitivityASD.emplace_back(Sample.Value / std::get<1>(ODMRFitParams) / GyromagneticRatio, 0);
        }
 
        if (SensitivityASD.size() > 2 && SensitivityAnalysisEnabled && StateMachine.GetContext() != &SensitivityOffResonanceContext)
        {
            const auto Length = static_cast<double>(SensitivityASD.size());
 
            SensitivityASD = Util::FFT(SensitivityASD);
            std::transform(SensitivityASD.cbegin(), SensitivityASD.cend(), SensitivityASD.begin(), [Length](auto x) { return std::abs(x / Length); });
 
            // Make single-sided spectrum
            SensitivityASD.erase(SensitivityASD.cbegin() + SensitivityASD.size() / 2 + 1, SensitivityASD.cend());
            std::transform(SensitivityASD.cbegin() + 1, SensitivityASD.cend(), SensitivityASD.begin() + 1, [Length](auto x) { return 2.0 * x; });
                
            // Assume SensitivitySamples sorted by Time. Assume samples equally spaced in time.
            double TimeSamplingRate = 1 / (std::abs(SensitivitySamples.back().Time - SensitivitySamples.front().Time) / (SensitivitySamples.size() - 1));
            std::vector<double> Frequencies(Length / 2 + 1, 0);
            std::iota(Frequencies.begin(), Frequencies.end(), 0);
            std::transform(Frequencies.cbegin(), Frequencies.cend(), Frequencies.begin(), [TimeSamplingRate, Length](auto x) { return TimeSamplingRate * x / Length; });
 
            double FrequencySamplingRate = std::abs(Frequencies.back() - Frequencies.front()) / (Frequencies.size() - 1);
            std::transform(SensitivityASD.cbegin(), SensitivityASD.cend(), SensitivityASD.begin(), [FrequencySamplingRate](auto x) { return x / std::sqrt(FrequencySamplingRate); });
 
            if (SensitivityASD.size() == Frequencies.size())
                for (size_t i = 1; i < SensitivityASD.size(); ++i)      // Ignore 0 Hz frequency component
                {
                    SensitivityDataPoints.push_back({ Frequencies[i], SensitivityASD[i].real() });
                    SensitivityDataPointsMinValues = { std::min(SensitivityDataPointsMinValues.x(), SensitivityDataPoints.back().x()),
                        std::min(SensitivityDataPointsMinValues.y(), SensitivityDataPoints.back().y()) };
                    SensitivityDataPointsMaxValues = { std::max(SensitivityDataPointsMaxValues.x(), SensitivityDataPoints.back().x()),
                        std::max(SensitivityDataPointsMaxValues.y(), SensitivityDataPoints.back().y()) };
                }
        } 
 
        {
            auto ModuleData = DynExp::dynamic_ModuleData_cast<ODMR>(Instance.ModuleDataGetter());
 
            if (StateMachine.GetContext() != &SensitivityOffResonanceContext)
            {
                ModuleData->SensitivityPlot.DataPoints = std::move(SensitivityDataPoints);
                ModuleData->SensitivityPlot.DataPointsMinValues = SensitivityDataPointsMinValues;
                ModuleData->SensitivityPlot.DataPointsMaxValues = SensitivityDataPointsMaxValues;
                ModuleData->SensitivityPlot.HasChanged = true;
 
                FilenamePrefix = "Sensitivity";
            }
            else
                FilenamePrefix = "OffResSensitivity";
 
            Filename = Util::RemoveExtFromPath(ModuleData->SaveDataPath) + "_" + FilenamePrefix + Util::ToStr(ModuleData->CurrentSaveIndex) + "_Sweep" + Util::ToStr(ModuleData->CurrentSweepIndex) + ".csv";
            ValueUnitStr = ModuleData->GetSignalDetector()->GetValueUnitStr();
 
            if (Save)
                CSVData = ModuleData->AssembleCSVHeader(NextRFPower, NextRFModulationDepth, NextAuxAnalogOutValue, StateMachine.GetContext() == &SensitivityOffResonanceContext);
        } // ModuleData unlocked here.
 
        if (Save)
        {
            CSVData << "t(s);Value(" << ValueUnitStr << ")\n";
            CSVData << std::setprecision(12);
            for (const auto& Sample : SaveSamples)
                CSVData << std::get<0>(Sample) << ";" << std::get<1>(Sample) << "\n";
 
            Util::SaveToFile(QString::fromStdString(Filename), CSVData.str());
        }
 
        if (SensitivityOffResonanceEnabled)
        {
            if (StateMachine.GetContext() == &SensitivityOffResonanceContext)
                StateMachine.ResetContext();
            else
            {
                StateMachine.SetContext(&SensitivityOffResonanceContext);
                return StateType::SensitivityInit;
            }
        }
 
        return StateType::MeasurementSeriesStep;
    }
}