78 lines
1.5 KiB
C++
78 lines
1.5 KiB
C++
// lasp_clip.h
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//
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// Author: J.A. de Jong, C.R.D. Jansen - ASCEE
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//
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// Description: Clip handler
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#pragma once
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#include <memory>
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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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/**
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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 Clipping detector (Clip). Detects when a signal overdrives the input
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* */
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class ClipHandler: public ThreadedInDataHandler<ClipHandler> {
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/**
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* @brief Assuming full scale of a signal is +/- 1.0. If a value is found
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*/
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static inline const d clip_point = 0.98;
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/**
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* @brief How long it takes in [s] after a clip event has happened, that we
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* are actually still in 'clip' mode.
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*/
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static inline const d clip_indication_time = 2.0;
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/**
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* @brief Inverse of block sampling frequency [s]: (framesPerBlock/fs)
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*/
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d _dt;
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mutable std::mutex _mtx;
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/**
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* @brief How long ago the last clip has happened. Negative in case no clip
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* has happened.
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*/
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vd _clip_time;
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/**
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* @brief Storage for maximum values
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*/
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vd _max_range;
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public:
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/**
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* @brief Constructs Clipping indicator
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*
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* @param mgr Stream Mgr to operate on
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*/
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ClipHandler(SmgrHandle mgr);
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~ClipHandler();
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/**
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* @brief Get the current values of the clip handler. Returns a vector of of True's.
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*
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* @return clipping indication
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*/
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arma::uvec 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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