74 lines
1.5 KiB
C++
74 lines
1.5 KiB
C++
#pragma once
|
|
#include <dsp/resampling.h>
|
|
#include <dsp/demodulator.h>
|
|
#include <dsp/filter.h>
|
|
#include <dsp/window.h>
|
|
#include <dsp/audio.h>
|
|
#include <io/audio.h>
|
|
#include <module.h>
|
|
#include <signal_path/signal_path.h>
|
|
#include <dsp/processing.h>
|
|
|
|
class SigPath {
|
|
public:
|
|
SigPath();
|
|
void init(std::string vfoName, uint64_t sampleRate, int blockSize);
|
|
void start();
|
|
void setSampleRate(float sampleRate);
|
|
void setVFOFrequency(uint64_t frequency);
|
|
void updateBlockSize();
|
|
void setDemodulator(int demod, float bandWidth);
|
|
void setDeemphasis(int deemph);
|
|
void setBandwidth(float bandWidth);
|
|
|
|
enum {
|
|
DEMOD_FM,
|
|
DEMOD_NFM,
|
|
DEMOD_AM,
|
|
DEMOD_USB,
|
|
DEMOD_LSB,
|
|
DEMOD_DSB,
|
|
DEMOD_RAW,
|
|
_DEMOD_COUNT
|
|
};
|
|
|
|
enum {
|
|
DEEMP_50US,
|
|
DEEMP_75US,
|
|
DEEMP_NONE,
|
|
_DEEMP_COUNT
|
|
};
|
|
|
|
|
|
dsp::BFMDeemp deemp;
|
|
VFOManager::VFO* vfo;
|
|
|
|
private:
|
|
static int sampleRateChangeHandler(void* ctx, double sampleRate);
|
|
|
|
dsp::stream<dsp::complex_t> input;
|
|
|
|
// Demodulators
|
|
dsp::FMDemod demod;
|
|
dsp::AMDemod amDemod;
|
|
dsp::SSBDemod ssbDemod;
|
|
|
|
// Gain control
|
|
dsp::AGC agc;
|
|
|
|
// Audio output
|
|
dsp::MonoToStereo m2s;
|
|
dsp::filter_window::BlackmanWindow audioWin;
|
|
dsp::PolyphaseResampler<float> audioResamp;
|
|
|
|
std::string vfoName;
|
|
|
|
float sampleRate;
|
|
float bandwidth;
|
|
float demodOutputSamplerate;
|
|
float outputSampleRate;
|
|
int blockSize;
|
|
int _demod;
|
|
int _deemp;
|
|
float audioBw;
|
|
}; |