ACRMSMeasurement.h

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* libscopeprotocols                                                                                                    *
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#ifndef ACRMSMeasurement_h
#define ACRMSMeasurement_h
 
#include "../scopehal/Averager.h"
#include "../scopehal/LevelCrossingDetector.h"
 
struct __attribute__((packed)) ACRMSPushConstants
{
    uint32_t numSamples;
    uint32_t numThreads;
    uint32_t samplesPerThread;
    float dcBias;
};
 
struct __attribute__((packed)) ACRMSTrendPushConstants
{
    int64_t timescale;
    int64_t numSamples;
    uint32_t numEdgePairs;
    float dcBias;
};
 
class ACRMSMeasurement : public Filter
{
public:
    ACRMSMeasurement(const std::string& color);
 
    virtual void Refresh(vk::raii::CommandBuffer& cmdBuf, std::shared_ptr<QueueHandle> queue) override;
 
    static std::string GetProtocolName();
 
    virtual bool ValidateChannel(size_t i, StreamDescriptor stream) override;
    virtual DataLocation GetInputLocation() override;
 
protected:
    void DoRefreshSparse(SparseAnalogWaveform* wfm);
    void DoRefreshUniform(
        UniformAnalogWaveform* wfm,
        vk::raii::CommandBuffer& cmdBuf,
        std::shared_ptr<QueueHandle> queue);
 
    Averager m_averager;
    LevelCrossingDetector m_detector;
 
    std::unique_ptr<ComputePipeline> m_rmsComputePipeline;
    AcceleratorBuffer<float> m_temporaryResults;
 
    std::unique_ptr<ComputePipeline> m_trendComputePipeline;
 
public:
    PROTOCOL_DECODER_INITPROC(ACRMSMeasurement)
};
 
#endif