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AF squelch

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This commit is contained in:
f4exb 2017-05-13 16:05:47 +02:00
parent 7430dee09a
commit e4d3f7eba7
3 changed files with 11 additions and 11 deletions
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2
plugins/channelrx/demodnfm/nfmdemod.cpp
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@ -27,7 +27,7 @@
#include "dsp/dspengine.h" #include "dsp/dspengine.h"
#include "nfmdemodgui.h" #include "nfmdemodgui.h"
static const Real afSqTones[2] = {1200.0, 8000.0}; // {1200.0, 8000.0}; static const double afSqTones[2] = {1200.0, 8000.0}; // {1200.0, 8000.0};
MESSAGE_CLASS_DEFINITION(NFMDemod::MsgConfigureNFMDemod, Message) MESSAGE_CLASS_DEFINITION(NFMDemod::MsgConfigureNFMDemod, Message)

10
sdrbase/dsp/afsquelch.cpp
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@ -34,7 +34,7 @@ AFSquelch::AFSquelch() :
{ {
m_k = new double[m_nTones]; m_k = new double[m_nTones];
m_coef = new double[m_nTones]; m_coef = new double[m_nTones];
m_toneSet = new Real[m_nTones]; m_toneSet = new double[m_nTones];
m_u0 = new double[m_nTones]; m_u0 = new double[m_nTones];
m_u1 = new double[m_nTones]; m_u1 = new double[m_nTones];
m_power = new double[m_nTones]; m_power = new double[m_nTones];
@ -53,7 +53,7 @@ AFSquelch::AFSquelch() :
} }
} }
AFSquelch::AFSquelch(unsigned int nbTones, const Real *tones) : AFSquelch::AFSquelch(unsigned int nbTones, const double *tones) :
m_N(0), m_N(0),
m_nbAvg(128), m_nbAvg(128),
m_sampleRate(0), m_sampleRate(0),
@ -70,7 +70,7 @@ AFSquelch::AFSquelch(unsigned int nbTones, const Real *tones) :
{ {
m_k = new double[m_nTones]; m_k = new double[m_nTones];
m_coef = new double[m_nTones]; m_coef = new double[m_nTones];
m_toneSet = new Real[m_nTones]; m_toneSet = new double[m_nTones];
m_u0 = new double[m_nTones]; m_u0 = new double[m_nTones];
m_u1 = new double[m_nTones]; m_u1 = new double[m_nTones];
m_power = new double[m_nTones]; m_power = new double[m_nTones];
@ -134,7 +134,7 @@ void AFSquelch::setCoefficients(int N, unsigned int nbAvg, int _samplerate, int
// Analyze an input signal // Analyze an input signal
bool AFSquelch::analyze(Real sample) bool AFSquelch::analyze(double sample)
{ {
feedback(sample); // Goertzel feedback feedback(sample); // Goertzel feedback
@ -162,7 +162,7 @@ bool AFSquelch::analyze(Real sample)
} }
void AFSquelch::feedback(Real in) void AFSquelch::feedback(double in)
{ {
double t; double t;

10
sdrbase/dsp/afsquelch.h
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@ -29,7 +29,7 @@ public:
AFSquelch(); AFSquelch();
// allows user defined tone pair // allows user defined tone pair
AFSquelch(unsigned int nbTones, AFSquelch(unsigned int nbTones,
const Real *tones); const double *tones);
virtual ~AFSquelch(); virtual ~AFSquelch();
// setup the basic parameters and coefficients // setup the basic parameters and coefficients
@ -45,11 +45,11 @@ public:
// analyze a sample set and optionally filter // analyze a sample set and optionally filter
// the tone frequencies. // the tone frequencies.
bool analyze(Real sample); // input signal sample bool analyze(double sample); // input signal sample
bool evaluate(); // evaluate result bool evaluate(); // evaluate result
// get the tone set // get the tone set
const Real *getToneSet() const const double *getToneSet() const
{ {
return m_toneSet; return m_toneSet;
} }
@ -61,7 +61,7 @@ public:
void reset(); // reset the analysis algorithm void reset(); // reset the analysis algorithm
protected: protected:
void feedback(Real sample); void feedback(double sample);
void feedForward(); void feedForward();
private: private:
@ -80,7 +80,7 @@ private:
double m_threshold; double m_threshold;
double *m_k; double *m_k;
double *m_coef; double *m_coef;
Real *m_toneSet; double *m_toneSet;
double *m_u0; double *m_u0;
double *m_u1; double *m_u1;
double *m_power; double *m_power;