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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
View File

@ -27,7 +27,7 @@
#include "dsp/dspengine.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)

10
sdrbase/dsp/afsquelch.cpp
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@ -34,7 +34,7 @@ AFSquelch::AFSquelch() :
{
m_k = 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_u1 = 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_nbAvg(128),
m_sampleRate(0),
@ -70,7 +70,7 @@ AFSquelch::AFSquelch(unsigned int nbTones, const Real *tones) :
{
m_k = 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_u1 = 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
bool AFSquelch::analyze(Real sample)
bool AFSquelch::analyze(double sample)
{
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;

10
sdrbase/dsp/afsquelch.h
View File

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