TektronixOscilloscope.h

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* libscopehal                                                                                                          *
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* Copyright (c) 2012-2026 Andrew D. Zonenberg and contributors                                                         *
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#ifndef TektronixOscilloscope_h
#define TektronixOscilloscope_h
 
class EdgeTrigger;
class PulseWidthTrigger;
class DropoutTrigger;
class RuntTrigger;
class SlewRateTrigger;
class WindowTrigger;
 
class TektronixOscilloscope
    : public virtual SCPIOscilloscope
    , public virtual SCPIFunctionGenerator
    , public virtual SCPIMultimeter
{
public:
    TektronixOscilloscope(SCPITransport* transport);
    virtual ~TektronixOscilloscope();
 
    //not copyable or assignable
    TektronixOscilloscope(const TektronixOscilloscope& rhs) =delete;
    TektronixOscilloscope& operator=(const TektronixOscilloscope& rhs) =delete;
 
public:
 
    //Device information
    virtual unsigned int GetInstrumentTypes() const override;
 
    virtual void FlushConfigCache() override;
 
    //Channel configuration
    virtual uint32_t GetInstrumentTypesForChannel(size_t i) const override;
    virtual bool IsChannelEnabled(size_t i) override;
    virtual void EnableChannel(size_t i) override;
    virtual bool CanEnableChannel(size_t i) override;
    virtual void DisableChannel(size_t i) override;
    virtual OscilloscopeChannel::CouplingType GetChannelCoupling(size_t i) override;
    virtual void SetChannelCoupling(size_t i, OscilloscopeChannel::CouplingType type) override;
    virtual std::vector<OscilloscopeChannel::CouplingType> GetAvailableCouplings(size_t i) override;
    virtual double GetChannelAttenuation(size_t i) override;
    virtual void SetChannelAttenuation(size_t i, double atten) override;
    virtual unsigned int GetChannelBandwidthLimit(size_t i) override;
    virtual void SetChannelBandwidthLimit(size_t i, unsigned int limit_mhz) override;
    virtual float GetChannelVoltageRange(size_t i, size_t stream) override;
    virtual void SetChannelVoltageRange(size_t i, size_t stream, float range) override;
    virtual OscilloscopeChannel* GetExternalTrigger() override;
    virtual float GetChannelOffset(size_t i, size_t stream) override;
    virtual void SetChannelOffset(size_t i, size_t stream, float offset) override;
    virtual std::string GetChannelDisplayName(size_t i) override;
    virtual void SetChannelDisplayName(size_t i, std::string name) override;
    virtual std::vector<unsigned int> GetChannelBandwidthLimiters(size_t i) override;
    Unit GetYAxisUnit(size_t i);
    virtual bool CanDegauss(size_t i) override;
    virtual bool ShouldDegauss(size_t i) override;
    virtual void Degauss(size_t i) override;
    virtual std::string GetProbeName(size_t i) override;
 
    //Triggering
    virtual Oscilloscope::TriggerMode PollTrigger() override;
    virtual bool PeekTriggerArmed() override;
    virtual bool AcquireData() override;
    virtual void Start() override;
    virtual void StartSingleTrigger() override;
    virtual void Stop() override;
    virtual void ForceTrigger() override;
    virtual bool IsTriggerArmed() override;
    virtual void PushTrigger() override;
    virtual void PullTrigger() override;
    std::vector<std::string> GetTriggerTypes() override;
 
    virtual std::vector<uint64_t> GetSampleRatesNonInterleaved() override;
    virtual std::vector<uint64_t> GetSampleRatesInterleaved() override;
    virtual std::set<InterleaveConflict> GetInterleaveConflicts() override;
    virtual std::vector<uint64_t> GetSampleDepthsNonInterleaved() override;
    virtual std::vector<uint64_t> GetSampleDepthsInterleaved() override;
    virtual uint64_t GetSampleRate() override;
    virtual uint64_t GetSampleDepth() override;
    virtual void SetSampleDepth(uint64_t depth) override;
    virtual void SetSampleRate(uint64_t rate) override;
    virtual void SetTriggerOffset(int64_t offset) override;
    virtual int64_t GetTriggerOffset() override;
    virtual bool IsInterleaving() override;
    virtual bool SetInterleaving(bool combine) override;
 
    virtual void SetDeskewForChannel(size_t channel, int64_t skew) override;
    virtual int64_t GetDeskewForChannel(size_t channel) override;
 
    virtual void SetUseExternalRefclk(bool external) override;
    virtual void EnableTriggerOutput() override;
 
    // Logic analyzer configuration
 
    virtual std::vector<DigitalBank> GetDigitalBanks() override;
    virtual DigitalBank GetDigitalBank(size_t channel) override;
    virtual bool IsDigitalHysteresisConfigurable() override;
    virtual bool IsDigitalThresholdConfigurable() override;
    virtual float GetDigitalHysteresis(size_t channel) override;
    virtual float GetDigitalThreshold(size_t channel) override;
    virtual void SetDigitalHysteresis(size_t channel, float level) override;
    virtual void SetDigitalThreshold(size_t channel, float level) override;
 
    // Multimeter stuff
 
    virtual unsigned int GetMeasurementTypes() override;
    virtual int GetMeterChannelCount();
    virtual int GetCurrentMeterChannel() override;
    virtual void SetCurrentMeterChannel(int chan) override;
    virtual MeasurementTypes GetMeterMode() override;
    virtual void SetMeterMode(MeasurementTypes type) override;
    virtual void SetMeterAutoRange(bool enable) override;
    virtual bool GetMeterAutoRange() override;
    virtual void StartMeter() override;
    virtual void StopMeter() override;
    virtual double GetMeterValue() override;
    virtual int GetMeterDigits() override;
 
    // Function generator
 
    virtual std::vector<WaveShape> GetAvailableWaveformShapes(int chan) override;
 
    //Configuration
    virtual bool GetFunctionChannelActive(int chan) override;
    virtual void SetFunctionChannelActive(int chan, bool on) override;
 
    virtual float GetFunctionChannelDutyCycle(int chan) override;
    virtual void SetFunctionChannelDutyCycle(int chan, float duty) override;
 
    virtual float GetFunctionChannelAmplitude(int chan) override;
    virtual void SetFunctionChannelAmplitude(int chan, float amplitude) override;
 
    virtual float GetFunctionChannelOffset(int chan) override;
    virtual void SetFunctionChannelOffset(int chan, float offset) override;
 
    virtual float GetFunctionChannelFrequency(int chan) override;
    virtual void SetFunctionChannelFrequency(int chan, float hz) override;
 
    virtual WaveShape GetFunctionChannelShape(int chan) override;
    virtual void SetFunctionChannelShape(int chan, WaveShape shape) override;
 
    virtual bool HasFunctionRiseFallTimeControls(int chan) override;
 
    virtual OutputImpedance GetFunctionChannelOutputImpedance(int chan) override;
    virtual void SetFunctionChannelOutputImpedance(int chan, OutputImpedance z) override;
 
    // Spectrum analyzer configuration
 
    virtual bool HasFrequencyControls() override;
    virtual void SetSpan(int64_t span) override;
    virtual int64_t GetSpan() override;
    virtual void SetCenterFrequency(size_t channel, int64_t freq) override;
    virtual int64_t GetCenterFrequency(size_t channel) override;
    virtual void SetResolutionBandwidth(int64_t rbw) override;
    virtual int64_t GetResolutionBandwidth() override;
 
protected:
 
    OscilloscopeChannel* m_extTrigChannel;
 
    FunctionGeneratorChannel* m_awgChannel;
 
    struct mso56_preamble
    {
        int byte_num;
        int bit_num;
        char encoding[32];
        char bin_format[32];
        char asc_format[32];
        char byte_order[32];
        char wfid[256];
        int nr_pt;
        char pt_fmt[32];
        char pt_order[32];
        char xunit[32];
        union
        {
            double xincrement;
            double hzbase;
        };
        union
        {
            double xzero;
            double hzoff;
        };
        int pt_off;
        char yunit[32];
        double ymult;
        double yoff;
        double yzero;
        char domain[32];
        char wfmtype[32];
        double centerfreq;
        double span;
    };
 
    //acquisition
    void ResynchronizeSCPI();
    bool ReadPreamble(std::string& preamble_in, mso56_preamble& preamble_out);
    bool AcquireDataMSO56(std::map<int, std::vector<WaveformBase*> >& pending_waveforms);
    void DetectProbes();
 
    unsigned int m_analogChannelCount;
 
    enum ProbeType
    {
        PROBE_TYPE_ANALOG,
 
        PROBE_TYPE_ANALOG_250K,
 
        PROBE_TYPE_ANALOG_CURRENT,
 
        PROBE_TYPE_DIGITAL_8BIT
    };
 
    //config cache
 
    std::map<size_t, float> m_channelOffsets;
 
    std::map<size_t, float> m_channelVoltageRanges;
 
    std::map<size_t, float> m_channelDigitalThresholds;
 
    std::map<size_t, OscilloscopeChannel::CouplingType> m_channelCouplings;
 
    std::map<size_t, double> m_channelAttenuations;
 
    std::map<size_t, int> m_channelBandwidthLimits;
 
    std::map<int, bool> m_channelsEnabled;
 
    std::map<int, int64_t> m_channelCenterFrequencies;
 
    bool m_triggerChannelValid;
 
    size_t m_triggerChannel;
 
    bool m_sampleRateValid;
 
    uint64_t m_sampleRate;
 
    bool m_sampleDepthValid;
 
    uint64_t m_sampleDepth;
 
    bool m_triggerOffsetValid;
 
    int64_t m_triggerOffset;
 
    bool m_spanValid;
 
    int64_t m_span;
 
    std::map<size_t, int64_t> m_channelDeskew;
    std::map<size_t, ProbeType> m_probeTypes;
    std::map<size_t, std::string> m_probeNames;
    bool m_rbwValid;
    int64_t m_rbw;
    bool m_dmmAutorangeValid;
    bool m_dmmAutorange;
    bool m_dmmChannelValid;
    int m_dmmChannel;
    bool m_dmmModeValid;
    Multimeter::MeasurementTypes m_dmmMode;
    std::map<size_t, Unit> m_channelUnits;
 
    std::map<OscilloscopeChannel*, size_t> m_flexChannelParents;
 
    //The lane number for each flex channel
    std::map<OscilloscopeChannel*, size_t> m_flexChannelLanes;
 
    size_t m_digitalChannelBase;
 
    size_t m_digitalChannelCount;
 
    size_t m_spectrumChannelBase;
 
    void PullEdgeTrigger();
    void PushEdgeTrigger(EdgeTrigger* trig);
    void PullPulseWidthTrigger();
    void PushPulseWidthTrigger(PulseWidthTrigger* trig);
    void PullDropoutTrigger();
    void PushDropoutTrigger(DropoutTrigger* trig);
    void PullRuntTrigger();
    void PushRuntTrigger(RuntTrigger* trig);
    void PullSlewRateTrigger();
    void PushSlewRateTrigger(SlewRateTrigger* trig);
    void PullWindowTrigger();
    void PushWindowTrigger(WindowTrigger* trig);
 
    float ReadTriggerLevelMSO56(OscilloscopeChannel* chan);
    void SetTriggerLevelMSO56(Trigger* trig);
 
    bool IsAnalog(size_t index)
    { return index < m_analogChannelCount; }
 
    bool IsDigital(size_t index)
    {
        if(index < m_digitalChannelBase)
            return false;
        if(index >= (m_digitalChannelBase + 8*m_analogChannelCount) )
            return false;
        return true;
    }
 
    bool IsSpectrum(size_t index)
    {
        if(index < m_spectrumChannelBase)
            return false;
        if(index >= (m_spectrumChannelBase + m_analogChannelCount) )
            return false;
        return true;
    }
 
    unsigned int m_maxBandwidth;
 
    enum Family
    {
        FAMILY_MSO5,
 
        FAMILY_MSO6,
 
        FAMILY_UNKNOWN
    } m_family;
 
    bool m_hasDVM;
 
    std::set<size_t> m_channelEnableStatusDirty;
    bool IsEnableStateDirty(size_t chan);
    void FlushChannelEnableStates();
 
    bool m_hasAFG;
 
    bool m_afgEnabled;
 
    float m_afgAmplitude;
 
    float m_afgOffset;
 
    float m_afgFrequency;
 
    float m_afgDutyCycle;
 
    FunctionGenerator::WaveShape m_afgShape;
 
    FunctionGenerator::OutputImpedance m_afgImpedance;
 
public:
    static std::string GetDriverNameInternal();
    OSCILLOSCOPE_INITPROC(TektronixOscilloscope)
};
 
#endif