kopia lustrzana https://github.com/f4exb/sdrangel
Put device frequency shift calculation in static methods accessible globally
f4exb
rodzic
ee3313dc82
commit
2d62cc74eb
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@ -111,6 +111,7 @@ set(sdrbase_SOURCES
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dsp/devicesamplesource.cpp
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dsp/devicesamplesink.cpp
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dsp/devicesamplemimo.cpp
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dsp/devicesamplestatic.cpp
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device/deviceapi.cpp
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device/deviceenumerator.cpp
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@ -249,6 +250,7 @@ set(sdrbase_HEADERS
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dsp/devicesamplesource.h
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dsp/devicesamplesink.h
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dsp/devicesamplemimo.h
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dsp/devicesamplestatic.h
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device/deviceapi.h
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device/deviceenumerator.h
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@ -18,6 +18,7 @@
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#include <QDebug>
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#include "dsp/devicesamplestatic.h"
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#include "dsp/devicesamplesink.h"
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DeviceSampleSink::DeviceSampleSink() :
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@ -52,23 +53,14 @@ qint64 DeviceSampleSink::calculateDeviceCenterFrequency(
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quint32 devSampleRate,
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bool transverterMode)
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{
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qint64 deviceCenterFrequency = centerFrequency;
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deviceCenterFrequency -= transverterMode ? transverterDeltaFrequency : 0;
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deviceCenterFrequency = deviceCenterFrequency < 0 ? 0 : deviceCenterFrequency;
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qint64 f_img = deviceCenterFrequency;
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deviceCenterFrequency -= calculateFrequencyShift(log2Interp, fcPos, devSampleRate);
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f_img -= 2*calculateFrequencyShift(log2Interp, fcPos, devSampleRate);
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qDebug() << "DeviceSampleSink::calculateDeviceCenterFrequency:"
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<< " desired center freq: " << centerFrequency << " Hz"
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<< " device center freq: " << deviceCenterFrequency << " Hz"
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<< " device sample rate: " << devSampleRate << "S/s"
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<< " Actual sample rate: " << devSampleRate/(1<<log2Interp) << "S/s"
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<< " center freq position code: " << fcPos
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<< " image frequency: " << f_img << "Hz";
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return deviceCenterFrequency;
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return DeviceSampleStatic::calculateSinkDeviceCenterFrequency(
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centerFrequency,
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transverterDeltaFrequency,
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log2Interp,
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(DeviceSampleStatic::fcPos_t) fcPos,
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devSampleRate,
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transverterMode
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);
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}
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qint64 DeviceSampleSink::calculateCenterFrequency(
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@ -79,19 +71,14 @@ qint64 DeviceSampleSink::calculateCenterFrequency(
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quint32 devSampleRate,
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bool transverterMode)
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{
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qint64 centerFrequency = deviceCenterFrequency;
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centerFrequency += calculateFrequencyShift(log2Interp, fcPos, devSampleRate);
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centerFrequency += transverterMode ? transverterDeltaFrequency : 0;
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centerFrequency = centerFrequency < 0 ? 0 : centerFrequency;
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qDebug() << "DeviceSampleSink::calculateCenterFrequency:"
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<< " desired center freq: " << centerFrequency << " Hz"
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<< " device center freq: " << deviceCenterFrequency << " Hz"
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<< " device sample rate: " << devSampleRate << "S/s"
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<< " Actual sample rate: " << devSampleRate/(1<<log2Interp) << "S/s"
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<< " center freq position code: " << fcPos;
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return centerFrequency;
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return DeviceSampleStatic::calculateSinkCenterFrequency(
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deviceCenterFrequency,
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transverterDeltaFrequency,
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log2Interp,
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(DeviceSampleStatic::fcPos_t) fcPos,
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devSampleRate,
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transverterMode
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);
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}
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/**
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@ -116,29 +103,10 @@ qint32 DeviceSampleSink::calculateFrequencyShift(
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fcPos_t fcPos,
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quint32 devSampleRate)
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{
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if (fcPos == FC_POS_CENTER) {
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return 0;
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}
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int sign = fcPos == FC_POS_INFRA ? -1 : 1;
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int halfSampleRate = devSampleRate / 2; // fractions are relative to sideband thus based on half the sample rate
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if (log2Interp == 0) {
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return 0;
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} else if (log2Interp == 1) {
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return sign * (halfSampleRate / 2);
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} else if (log2Interp == 2) {
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return sign * ((halfSampleRate * 3) / 4);
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} else if (log2Interp == 3) {
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return sign * ((halfSampleRate * 5) / 8);
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} else if (log2Interp == 4) {
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return sign * ((halfSampleRate * 11) / 16);
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} else if (log2Interp == 5) {
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return sign * ((halfSampleRate * 21) / 32);
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} else if (log2Interp == 6) {
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return sign * ((halfSampleRate * 21) / 64);
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} else {
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return 0;
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}
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return DeviceSampleStatic::calculateSinkFrequencyShift(
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log2Interp,
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(DeviceSampleStatic::fcPos_t) fcPos,
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devSampleRate
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);
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}
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@ -17,7 +17,9 @@
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///////////////////////////////////////////////////////////////////////////////////
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#include <QDebug>
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#include <dsp/devicesamplesource.h>
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#include "dsp/devicesamplestatic.h"
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#include "dsp/devicesamplesource.h"
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DeviceSampleSource::DeviceSampleSource() :
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m_guiMessageQueue(0)
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@ -51,24 +53,15 @@ qint64 DeviceSampleSource::calculateDeviceCenterFrequency(
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FrequencyShiftScheme frequencyShiftScheme,
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bool transverterMode)
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{
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qint64 deviceCenterFrequency = centerFrequency;
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deviceCenterFrequency -= transverterMode ? transverterDeltaFrequency : 0;
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deviceCenterFrequency = deviceCenterFrequency < 0 ? 0 : deviceCenterFrequency;
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qint64 f_img = deviceCenterFrequency;
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deviceCenterFrequency -= calculateFrequencyShift(log2Decim, fcPos, devSampleRate, frequencyShiftScheme);
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f_img -= 2*calculateFrequencyShift(log2Decim, fcPos, devSampleRate, frequencyShiftScheme);
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qDebug() << "DeviceSampleSource::calculateDeviceCenterFrequency:"
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<< " frequencyShiftScheme: " << frequencyShiftScheme
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<< " desired center freq: " << centerFrequency << " Hz"
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<< " device center freq: " << deviceCenterFrequency << " Hz"
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<< " device sample rate: " << devSampleRate << "S/s"
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<< " Actual sample rate: " << devSampleRate/(1<<log2Decim) << "S/s"
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<< " center freq position code: " << fcPos
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<< " image frequency: " << f_img << "Hz";
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return deviceCenterFrequency;
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return DeviceSampleStatic::calculateSourceDeviceCenterFrequency(
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centerFrequency,
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transverterDeltaFrequency,
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log2Decim,
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(DeviceSampleStatic::fcPos_t) fcPos,
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devSampleRate,
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(DeviceSampleStatic::FrequencyShiftScheme) frequencyShiftScheme,
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transverterMode
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);
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}
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qint64 DeviceSampleSource::calculateCenterFrequency(
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@ -80,20 +73,15 @@ qint64 DeviceSampleSource::calculateCenterFrequency(
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FrequencyShiftScheme frequencyShiftScheme,
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bool transverterMode)
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{
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qint64 centerFrequency = deviceCenterFrequency;
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centerFrequency += calculateFrequencyShift(log2Decim, fcPos, devSampleRate, frequencyShiftScheme);
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centerFrequency += transverterMode ? transverterDeltaFrequency : 0;
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centerFrequency = centerFrequency < 0 ? 0 : centerFrequency;
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qDebug() << "DeviceSampleSource::calculateCenterFrequency:"
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<< " frequencyShiftScheme: " << frequencyShiftScheme
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<< " desired center freq: " << centerFrequency << " Hz"
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<< " device center freq: " << deviceCenterFrequency << " Hz"
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<< " device sample rate: " << devSampleRate << "S/s"
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<< " Actual sample rate: " << devSampleRate/(1<<log2Decim) << "S/s"
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<< " center freq position code: " << fcPos;
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return centerFrequency;
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return DeviceSampleStatic::calculateSourceCenterFrequency(
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deviceCenterFrequency,
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transverterDeltaFrequency,
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log2Decim,
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(DeviceSampleStatic::fcPos_t) fcPos,
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devSampleRate,
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(DeviceSampleStatic::FrequencyShiftScheme) frequencyShiftScheme,
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transverterMode
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);
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}
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/**
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@ -117,53 +105,10 @@ qint32 DeviceSampleSource::calculateFrequencyShift(
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quint32 devSampleRate,
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FrequencyShiftScheme frequencyShiftScheme)
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{
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if (frequencyShiftScheme == FSHIFT_STD)
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{
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if (log2Decim == 0) { // no shift at all
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return 0;
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} else if (log2Decim < 3) {
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if (fcPos == FC_POS_INFRA) { // shift in the square next to center frequency
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return -(devSampleRate / (1<<(log2Decim+1)));
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} else if (fcPos == FC_POS_SUPRA) {
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return devSampleRate / (1<<(log2Decim+1));
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} else {
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return 0;
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}
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} else {
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if (fcPos == FC_POS_INFRA) { // shift centered in the square next to center frequency
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return -(devSampleRate / (1<<(log2Decim)));
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} else if (fcPos == FC_POS_SUPRA) {
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return devSampleRate / (1<<(log2Decim));
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} else {
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return 0;
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}
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}
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}
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else // frequencyShiftScheme == FSHIFT_TXSYNC
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{
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if (fcPos == FC_POS_CENTER) {
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return 0;
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}
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int sign = fcPos == FC_POS_INFRA ? -1 : 1;
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int halfSampleRate = devSampleRate / 2; // fractions are relative to sideband thus based on half the sample rate
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if (log2Decim == 0) {
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return 0;
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} else if (log2Decim == 1) {
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return sign * (halfSampleRate / 2); // inf or sup: 1/2
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} else if (log2Decim == 2) {
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return sign * ((halfSampleRate * 3) / 4); // inf, inf or sup, sup: 1/2 + 1/4
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} else if (log2Decim == 3) {
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return sign * ((halfSampleRate * 5) / 8); // inf, inf, sup or sup, sup, inf: 1/2 + 1/4 - 1/8 = 5/8
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} else if (log2Decim == 4) {
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return sign * ((halfSampleRate * 11) / 16); // inf, inf, sup, inf or sup, sup, inf, sup: 1/2 + 1/4 - 1/8 + 1/16 = 11/16
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} else if (log2Decim == 5) {
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return sign * ((halfSampleRate * 21) / 32); // inf, inf, sup, inf, sup or sup, sup, inf, sup, inf: 1/2 + 1/4 - 1/8 + 1/16 - 1/32 = 21/32
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} else if (log2Decim == 6) {
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return sign * ((halfSampleRate * 21) / 64); // inf, sup, inf, sup, inf, sup or sup, inf, sup, inf, sup, inf: 1/2 - 1/4 + 1/8 -1/16 + 1/32 - 1/64 = 21/64
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} else {
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return 0;
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}
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}
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return DeviceSampleStatic::calculateSourceFrequencyShift(
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log2Decim,
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(DeviceSampleStatic::fcPos_t) fcPos,
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devSampleRate,
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(DeviceSampleStatic::FrequencyShiftScheme) frequencyShiftScheme
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);
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}
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@ -0,0 +1,246 @@
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///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2019 F4EXB //
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// written by Edouard Griffiths //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <QDebug>
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#include "devicesamplestatic.h"
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int64_t DeviceSampleStatic::calculateSourceDeviceCenterFrequency(
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uint64_t centerFrequency,
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int64_t transverterDeltaFrequency,
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int log2Decim,
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fcPos_t fcPos,
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uint32_t devSampleRate,
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FrequencyShiftScheme frequencyShiftScheme,
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bool transverterMode)
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{
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int64_t deviceCenterFrequency = centerFrequency;
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deviceCenterFrequency -= transverterMode ? transverterDeltaFrequency : 0;
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deviceCenterFrequency = deviceCenterFrequency < 0 ? 0 : deviceCenterFrequency;
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int64_t f_img = deviceCenterFrequency;
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deviceCenterFrequency -= calculateSourceFrequencyShift(log2Decim, fcPos, devSampleRate, frequencyShiftScheme);
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f_img -= 2*calculateSourceFrequencyShift(log2Decim, fcPos, devSampleRate, frequencyShiftScheme);
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qDebug() << "DeviceSampleStatic::calculateSourceDeviceCenterFrequency:"
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<< " frequencyShiftScheme: " << frequencyShiftScheme
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<< " desired center freq: " << centerFrequency << " Hz"
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<< " device center freq: " << deviceCenterFrequency << " Hz"
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<< " device sample rate: " << devSampleRate << "S/s"
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<< " Actual sample rate: " << devSampleRate/(1<<log2Decim) << "S/s"
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<< " center freq position code: " << fcPos
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<< " image frequency: " << f_img << "Hz";
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return deviceCenterFrequency;
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}
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int64_t DeviceSampleStatic::calculateSourceCenterFrequency(
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uint64_t deviceCenterFrequency,
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int64_t transverterDeltaFrequency,
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int log2Decim,
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fcPos_t fcPos,
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uint32_t devSampleRate,
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FrequencyShiftScheme frequencyShiftScheme,
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bool transverterMode)
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{
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qint64 centerFrequency = deviceCenterFrequency;
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centerFrequency += calculateSourceFrequencyShift(log2Decim, fcPos, devSampleRate, frequencyShiftScheme);
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centerFrequency += transverterMode ? transverterDeltaFrequency : 0;
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centerFrequency = centerFrequency < 0 ? 0 : centerFrequency;
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qDebug() << "DeviceSampleStatic::calculateSourceCenterFrequency:"
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<< " frequencyShiftScheme: " << frequencyShiftScheme
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<< " desired center freq: " << centerFrequency << " Hz"
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<< " device center freq: " << deviceCenterFrequency << " Hz"
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<< " device sample rate: " << devSampleRate << "S/s"
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<< " Actual sample rate: " << devSampleRate/(1<<log2Decim) << "S/s"
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<< " center freq position code: " << fcPos;
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return centerFrequency;
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}
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/**
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* log2Decim = 0: no shift
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*
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* n = log2Decim <= 2: fc = +/- 1/2^(n-1)
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* center
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* | ^ |
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* | inf | sup |
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* ^ ^
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*
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* n = log2Decim > 2: fc = +/- 1/2^n
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* center
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* | ^ |
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* | |inf| | |sup| |
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* ^ ^
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*/
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int DeviceSampleStatic::calculateSourceFrequencyShift(
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int log2Decim,
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fcPos_t fcPos,
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uint32_t devSampleRate,
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FrequencyShiftScheme frequencyShiftScheme)
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{
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if (frequencyShiftScheme == FSHIFT_STD)
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{
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if (log2Decim == 0) { // no shift at all
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return 0;
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} else if (log2Decim < 3) {
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if (fcPos == FC_POS_INFRA) { // shift in the square next to center frequency
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return -(devSampleRate / (1<<(log2Decim+1)));
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} else if (fcPos == FC_POS_SUPRA) {
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return devSampleRate / (1<<(log2Decim+1));
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} else {
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return 0;
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}
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} else {
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if (fcPos == FC_POS_INFRA) { // shift centered in the square next to center frequency
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return -(devSampleRate / (1<<(log2Decim)));
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} else if (fcPos == FC_POS_SUPRA) {
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return devSampleRate / (1<<(log2Decim));
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} else {
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return 0;
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}
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}
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}
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else // frequencyShiftScheme == FSHIFT_TXSYNC
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{
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if (fcPos == FC_POS_CENTER) {
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return 0;
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}
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int sign = fcPos == FC_POS_INFRA ? -1 : 1;
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int halfSampleRate = devSampleRate / 2; // fractions are relative to sideband thus based on half the sample rate
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if (log2Decim == 0) {
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return 0;
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} else if (log2Decim == 1) {
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return sign * (halfSampleRate / 2); // inf or sup: 1/2
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} else if (log2Decim == 2) {
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return sign * ((halfSampleRate * 3) / 4); // inf, inf or sup, sup: 1/2 + 1/4
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} else if (log2Decim == 3) {
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return sign * ((halfSampleRate * 5) / 8); // inf, inf, sup or sup, sup, inf: 1/2 + 1/4 - 1/8 = 5/8
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} else if (log2Decim == 4) {
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return sign * ((halfSampleRate * 11) / 16); // inf, inf, sup, inf or sup, sup, inf, sup: 1/2 + 1/4 - 1/8 + 1/16 = 11/16
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} else if (log2Decim == 5) {
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return sign * ((halfSampleRate * 21) / 32); // inf, inf, sup, inf, sup or sup, sup, inf, sup, inf: 1/2 + 1/4 - 1/8 + 1/16 - 1/32 = 21/32
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} else if (log2Decim == 6) {
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return sign * ((halfSampleRate * 21) / 64); // inf, sup, inf, sup, inf, sup or sup, inf, sup, inf, sup, inf: 1/2 - 1/4 + 1/8 -1/16 + 1/32 - 1/64 = 21/64
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} else {
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return 0;
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}
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}
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}
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int64_t DeviceSampleStatic::calculateSinkDeviceCenterFrequency(
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uint64_t centerFrequency,
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int64_t transverterDeltaFrequency,
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int log2Interp,
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fcPos_t fcPos,
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uint32_t devSampleRate,
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bool transverterMode)
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{
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int64_t deviceCenterFrequency = centerFrequency;
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deviceCenterFrequency -= transverterMode ? transverterDeltaFrequency : 0;
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deviceCenterFrequency = deviceCenterFrequency < 0 ? 0 : deviceCenterFrequency;
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int64_t f_img = deviceCenterFrequency;
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deviceCenterFrequency -= calculateSinkFrequencyShift(log2Interp, fcPos, devSampleRate);
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f_img -= 2*calculateSinkFrequencyShift(log2Interp, fcPos, devSampleRate);
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qDebug() << "DeviceSampleStatic::calculateSinkDeviceCenterFrequency:"
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<< " desired center freq: " << centerFrequency << " Hz"
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<< " device center freq: " << deviceCenterFrequency << " Hz"
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<< " device sample rate: " << devSampleRate << "S/s"
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<< " Actual sample rate: " << devSampleRate/(1<<log2Interp) << "S/s"
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<< " center freq position code: " << fcPos
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<< " image frequency: " << f_img << "Hz";
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||||
return deviceCenterFrequency;
|
||||
}
|
||||
|
||||
int64_t DeviceSampleStatic::calculateSinkCenterFrequency(
|
||||
uint64_t deviceCenterFrequency,
|
||||
int64_t transverterDeltaFrequency,
|
||||
int log2Interp,
|
||||
fcPos_t fcPos,
|
||||
uint32_t devSampleRate,
|
||||
bool transverterMode)
|
||||
{
|
||||
int64_t centerFrequency = deviceCenterFrequency;
|
||||
centerFrequency += calculateSinkFrequencyShift(log2Interp, fcPos, devSampleRate);
|
||||
centerFrequency += transverterMode ? transverterDeltaFrequency : 0;
|
||||
centerFrequency = centerFrequency < 0 ? 0 : centerFrequency;
|
||||
|
||||
qDebug() << "DeviceSampleStatic::calculateSinkCenterFrequency:"
|
||||
<< " desired center freq: " << centerFrequency << " Hz"
|
||||
<< " device center freq: " << deviceCenterFrequency << " Hz"
|
||||
<< " device sample rate: " << devSampleRate << "S/s"
|
||||
<< " Actual sample rate: " << devSampleRate/(1<<log2Interp) << "S/s"
|
||||
<< " center freq position code: " << fcPos;
|
||||
|
||||
return centerFrequency;
|
||||
}
|
||||
|
||||
/**
|
||||
* log2Interp = 0: no shift
|
||||
*
|
||||
* log2Interp = 1: middle of side band (inf or sup: 1/2)
|
||||
* ^ | ^
|
||||
* | inf | inf | sup | sup |
|
||||
*
|
||||
* log2Interp = 2: middle of far side half side band (inf, inf or sup, sup: 1/2 + 1/4)
|
||||
* ^ | ^
|
||||
* | inf | inf | sup | sup |
|
||||
*
|
||||
* log2Interp = 3: inf, inf, sup or sup, sup, inf: 1/2 + 1/4 - 1/8 = 5/8
|
||||
* log2Interp = 4: inf, inf, sup, inf or sup, sup, inf, sup: 1/2 + 1/4 - 1/8 + 1/16 = 11/16
|
||||
* log2Interp = 5: inf, inf, sup, inf, sup or sup, sup, inf, sup, inf: 1/2 + 1/4 - 1/8 + 1/16 - 1/32 = 21/32
|
||||
* log2Interp = 6: inf, sup, inf, sup, inf, sup or sup, inf, sup, inf, sup, inf: 1/2 - 1/4 + 1/8 -1/16 + 1/32 - 1/64 = 21/64
|
||||
*
|
||||
*/
|
||||
int DeviceSampleStatic::calculateSinkFrequencyShift(
|
||||
int log2Interp,
|
||||
fcPos_t fcPos,
|
||||
uint32_t devSampleRate)
|
||||
{
|
||||
if (fcPos == FC_POS_CENTER) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
int sign = fcPos == FC_POS_INFRA ? -1 : 1;
|
||||
int halfSampleRate = devSampleRate / 2; // fractions are relative to sideband thus based on half the sample rate
|
||||
|
||||
if (log2Interp == 0) {
|
||||
return 0;
|
||||
} else if (log2Interp == 1) {
|
||||
return sign * (halfSampleRate / 2);
|
||||
} else if (log2Interp == 2) {
|
||||
return sign * ((halfSampleRate * 3) / 4);
|
||||
} else if (log2Interp == 3) {
|
||||
return sign * ((halfSampleRate * 5) / 8);
|
||||
} else if (log2Interp == 4) {
|
||||
return sign * ((halfSampleRate * 11) / 16);
|
||||
} else if (log2Interp == 5) {
|
||||
return sign * ((halfSampleRate * 21) / 32);
|
||||
} else if (log2Interp == 6) {
|
||||
return sign * ((halfSampleRate * 21) / 64);
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,82 @@
|
|||
///////////////////////////////////////////////////////////////////////////////////
|
||||
// Copyright (C) 2019 F4EXB //
|
||||
// written by Edouard Griffiths //
|
||||
// //
|
||||
// This program is free software; you can redistribute it and/or modify //
|
||||
// it under the terms of the GNU General Public License as published by //
|
||||
// the Free Software Foundation as version 3 of the License, or //
|
||||
// (at your option) any later version. //
|
||||
// //
|
||||
// This program is distributed in the hope that it will be useful, //
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
|
||||
// GNU General Public License V3 for more details. //
|
||||
// //
|
||||
// You should have received a copy of the GNU General Public License //
|
||||
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
|
||||
///////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
class DeviceSampleStatic
|
||||
{
|
||||
public:
|
||||
typedef enum {
|
||||
FC_POS_INFRA = 0,
|
||||
FC_POS_SUPRA,
|
||||
FC_POS_CENTER
|
||||
} fcPos_t;
|
||||
|
||||
typedef enum {
|
||||
FSHIFT_STD = 0, // Standard Rx independent
|
||||
FSHIFT_TXSYNC // Follows same scheme as Tx
|
||||
} FrequencyShiftScheme;
|
||||
|
||||
static int64_t calculateSourceDeviceCenterFrequency(
|
||||
uint64_t centerFrequency,
|
||||
int64_t transverterDeltaFrequency,
|
||||
int log2Decim,
|
||||
fcPos_t fcPos,
|
||||
uint32_t devSampleRate,
|
||||
FrequencyShiftScheme frequencyShiftScheme,
|
||||
bool transverterMode = false
|
||||
);
|
||||
|
||||
static int64_t calculateSourceCenterFrequency(
|
||||
uint64_t deviceCenterFrequency,
|
||||
int64_t transverterDeltaFrequency,
|
||||
int log2Decim,
|
||||
fcPos_t fcPos,
|
||||
uint32_t devSampleRate,
|
||||
FrequencyShiftScheme frequencyShiftScheme,
|
||||
bool transverterMode = false
|
||||
);
|
||||
|
||||
static int calculateSourceFrequencyShift(
|
||||
int log2Decim,
|
||||
fcPos_t fcPos,
|
||||
uint32_t devSampleRate,
|
||||
FrequencyShiftScheme frequencyShiftScheme
|
||||
);
|
||||
|
||||
static int64_t calculateSinkDeviceCenterFrequency(
|
||||
uint64_t centerFrequency,
|
||||
int64_t transverterDeltaFrequency,
|
||||
int log2Interp,
|
||||
fcPos_t fcPos,
|
||||
uint32_t devSampleRate,
|
||||
bool transverterMode = false);
|
||||
|
||||
static int64_t calculateSinkCenterFrequency(
|
||||
uint64_t deviceCenterFrequency,
|
||||
int64_t transverterDeltaFrequency,
|
||||
int log2Interp,
|
||||
fcPos_t fcPos,
|
||||
uint32_t devSampleRate,
|
||||
bool transverterMode = false);
|
||||
|
||||
static int calculateSinkFrequencyShift(
|
||||
int log2Interp,
|
||||
fcPos_t fcPos,
|
||||
uint32_t devSampleRate);
|
||||
};
|
||||
Ładowanie…
Reference in New Issue