78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
// lasp_threadedaps.h
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//
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// Author: J.A. de Jong - ASCEE
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//
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// Description: Real Time Spectrum Viewer
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#pragma once
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#include "lasp_avpowerspectra.h"
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#include "lasp_filter.h"
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#include "lasp_mathtypes.h"
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#include "lasp_threadedindatahandler.h"
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#include <memory>
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#include <mutex>
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/**
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* \addtogroup dsp
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* @{
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*
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* \addtogroup rt
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* @{
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*/
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/**
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* @brief Real time spectral estimator using Welch method of spectral
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* estimation.
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*/
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class RtAps : public ThreadedInDataHandler<RtAps> {
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std::unique_ptr<Filter> _filterPrototype;
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std::vector<std::unique_ptr<Filter>> _freqWeightingFilters;
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/**
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* @brief Storage for sensitivity values
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*/
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vd _sens;
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/**
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* @brief Mutex only for _ps. Other members are only accessed in thread.
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*/
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mutable std::mutex _ps_mtx;
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AvPowerSpectra _ps;
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public:
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/**
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* @brief Initialize RtAps.
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*
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* @param mgr StreamMgr singleton reference
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* @param freqWeightingFilter Optionally: the frequency weighting filter.
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* Nullptr should be given for Z-weighting.
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*
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* For all other arguments, see constructor of AvPowerSpectra
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*/
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RtAps(SmgrHandle mgr, const Filter *freqWeightingFilter, const us nfft = 2048,
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const Window::WindowType w = Window::WindowType::Hann,
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const d overlap_percentage = 50., const d time_constant = -1);
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~RtAps();
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/**
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* @brief Get the latest estimate of the power spectra
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*
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* @return If available, the latest estimate. If no estimate available, an
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* empty ccube().
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*/
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ccube getCurrentValue() const;
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/**
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* @brief Implements the work to to when new DaqData arrives
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*
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* @param d DaqData to use for computing/updating spectra
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*
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* @return true if stream should continue.
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*/
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void inCallback(const DaqData & d);
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void reset(const Daq *);
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};
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/** @} */
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/** @} */
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