kopia lustrzana https://github.com/AlexandreRouma/SDRPlusPlus
119 wiersze
3.3 KiB
C++
119 wiersze
3.3 KiB
C++
#include <path.h>
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SigPath::SigPath() {
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}
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void SigPath::init(std::string vfoName, uint64_t sampleRate, int blockSize, dsp::stream<dsp::complex_t>* input) {
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this->sampleRate = sampleRate;
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this->blockSize = blockSize;
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this->vfoName = vfoName;
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_demod = DEMOD_FM;
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// TODO: Set default VFO options
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demod.init(input, 100000, 200000, 800);
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amDemod.init(input, 50);
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ssbDemod.init(input, 6000, 3000, 22);
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audioResamp.init(&demod.output, 200000, 48000, 800);
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audio.init(&audioResamp.output, 64);
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}
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void SigPath::setSampleRate(float sampleRate) {
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this->sampleRate = sampleRate;
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// Reset the demodulator and audio systems
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setDemodulator(_demod);
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}
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void SigPath::setVolume(float volume) {
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audio.setVolume(volume);
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}
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void SigPath::setDemodulator(int demId) {
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if (demId < 0 || demId >= _DEMOD_COUNT) {
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return;
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}
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audioResamp.stop();
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// Stop current demodulator
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if (_demod == DEMOD_FM) {
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demod.stop();
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}
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else if (_demod == DEMOD_NFM) {
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demod.stop();
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}
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else if (_demod == DEMOD_AM) {
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amDemod.stop();
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}
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else if (_demod == DEMOD_USB) {
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ssbDemod.stop();
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}
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else if (_demod == DEMOD_LSB) {
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ssbDemod.stop();
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}
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_demod = demId;
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// Set input of the audio resampler
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if (demId == DEMOD_FM) {
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API->setVFOSampleRate(vfoName, 200000, 200000);
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demod.setBlockSize(API->getVFOOutputBlockSize(vfoName));
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demod.setSampleRate(200000);
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demod.setDeviation(100000);
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audioResamp.setInput(&demod.output);
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audioResamp.setInputSampleRate(200000, API->getVFOOutputBlockSize(vfoName));
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demod.start();
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}
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if (demId == DEMOD_NFM) {
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API->setVFOSampleRate(vfoName, 12500, 12500);
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demod.setBlockSize(API->getVFOOutputBlockSize(vfoName));
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demod.setSampleRate(12500);
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demod.setDeviation(6250);
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audioResamp.setInput(&demod.output);
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audioResamp.setInputSampleRate(12500, API->getVFOOutputBlockSize(vfoName));
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demod.start();
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}
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else if (demId == DEMOD_AM) {
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API->setVFOSampleRate(vfoName, 12500, 12500);
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amDemod.setBlockSize(API->getVFOOutputBlockSize(vfoName));
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audioResamp.setInput(&amDemod.output);
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audioResamp.setInputSampleRate(12500, API->getVFOOutputBlockSize(vfoName));
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amDemod.start();
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}
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else if (demId == DEMOD_USB) {
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API->setVFOSampleRate(vfoName, 6000, 3000);
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ssbDemod.setBlockSize(API->getVFOOutputBlockSize(vfoName));
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ssbDemod.setMode(dsp::SSBDemod::MODE_USB);
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audioResamp.setInput(&ssbDemod.output);
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audioResamp.setInputSampleRate(6000, API->getVFOOutputBlockSize(vfoName));
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ssbDemod.start();
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}
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else if (demId == DEMOD_LSB) {
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API->setVFOSampleRate(vfoName, 6000, 3000);
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ssbDemod.setBlockSize(API->getVFOOutputBlockSize(vfoName));
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ssbDemod.setMode(dsp::SSBDemod::MODE_LSB);
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audioResamp.setInput(&ssbDemod.output);
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audioResamp.setInputSampleRate(6000, API->getVFOOutputBlockSize(vfoName));
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ssbDemod.start();
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}
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audioResamp.start();
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}
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void SigPath::updateBlockSize() {
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setDemodulator(_demod);
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}
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void SigPath::start() {
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demod.start();
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audioResamp.start();
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audio.start();
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}
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void SigPath::DEBUG_TEST() {
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audio.stop();
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audio.start();
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} |