74 lines
1.5 KiB
C++
74 lines
1.5 KiB
C++
#pragma once
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#include <dsp/filter.h>
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#include <dsp/resampling.h>
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#include <dsp/source.h>
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#include <dsp/math.h>
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#include <dsp/demodulator.h>
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#include <dsp/routing.h>
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#include <dsp/sink.h>
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#include <dsp/correction.h>
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#include <dsp/vfo.h>
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#include <io/audio.h>
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#include <module.h>
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#include <signal_path/signal_path.h>
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class SigPath {
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public:
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SigPath();
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void init(std::string vfoName, uint64_t sampleRate, int blockSize);
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void start();
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void setSampleRate(float sampleRate);
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void setVFOFrequency(uint64_t frequency);
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void updateBlockSize();
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void setDemodulator(int demod, float bandWidth);
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void setDeemphasis(int deemph);
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void setBandwidth(float bandWidth);
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enum {
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DEMOD_FM,
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DEMOD_NFM,
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DEMOD_AM,
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DEMOD_USB,
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DEMOD_LSB,
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DEMOD_DSB,
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DEMOD_RAW,
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_DEMOD_COUNT
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};
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enum {
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DEEMP_50US,
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DEEMP_75US,
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DEEMP_NONE,
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_DEEMP_COUNT
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};
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dsp::FMDeemphasis deemp;
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private:
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static int sampleRateChangeHandler(void* ctx, float sampleRate);
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VFOManager::VFO* vfo;
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dsp::stream<dsp::complex_t> input;
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// Demodulators
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dsp::FMDemodulator demod;
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dsp::AMDemodulator amDemod;
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dsp::SSBDemod ssbDemod;
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dsp::ComplexToStereo cpx2stereo;
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// Audio output
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dsp::MonoToStereo m2s;
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dsp::FIRResampler<float> audioResamp;
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std::string vfoName;
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float sampleRate;
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float bandwidth;
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float outputSampleRate;
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int blockSize;
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int _demod;
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int _deemp;
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float audioBw;
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}; |