91 lines
1.7 KiB
C++
91 lines
1.7 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 Signal Viewer.
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#pragma once
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#include "lasp_mathtypes.h"
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#include "lasp_threadedindatahandler.h"
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#include "lasp_timebuffer.h"
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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 signal viewer. Shows envelope of the signal based on amount
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* of history shown.
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*/
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class RtSignalViewer : public ThreadedInDataHandler<RtSignalViewer> {
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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 Storage for time samples
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*/
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TimeBuffer _tb;
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/**
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* @brief The amount of time history to show
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*/
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const d _approx_time_hist;
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/**
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* @brief The number of points to show
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*/
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const us _resolution;
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/**
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* @brief The channel to show
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*/
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const us _channel;
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us _nsamples_per_point;
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d _fs;
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dmat _dat;
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/**
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* @brief Mutex only for _signalviewer.
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*/
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mutable std::mutex _sv_mtx;
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public:
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/**
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* @brief
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*
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* @param mgr Stream manager
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* @param approx_time_hist The *approximate* time history to show. The exact
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* time history will be calculated such that there fits an integer number of
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* samples in a single 'point'.
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* @param resolution Number of time points
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* @param channel The channel number
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*/
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RtSignalViewer(SmgrHandle mgr, const d approx_time_hist, const us resolution,
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const us channel);
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~RtSignalViewer();
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/**
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* @brief Returns a 2D array, with:
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* - first column: time instances.
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* - second column: minimum value of signal
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* - third column: maximum value of signal
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*
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*/
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dmat getCurrentValue() const;
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void inCallback(const DaqData &);
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void reset(const Daq *);
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};
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/** @} */
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/** @} */
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