mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-03 07:21:14 -05:00
1a9b6d1763
Add GS232 Rotator Controller feature plugin. Add altitude and station name to My Positon. Use QtDeploy to ensure all required Qt libraries are included (Should fix OpenGL issues)
107 lines
4.0 KiB
C++
107 lines
4.0 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2019 Edouard Griffiths, F4EXB //
|
|
// Copyright (C) 2020 Jon Beniston, M7RCE //
|
|
// //
|
|
// 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/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef INCLUDE_ADSBDEMODSINK_H
|
|
#define INCLUDE_ADSBDEMODSINK_H
|
|
|
|
#include <vector>
|
|
|
|
#include "dsp/channelsamplesink.h"
|
|
#include "dsp/nco.h"
|
|
#include "dsp/interpolator.h"
|
|
#include "util/movingaverage.h"
|
|
|
|
#include "adsbdemodsettings.h"
|
|
|
|
class ADSBDemodSink : public ChannelSampleSink {
|
|
public:
|
|
ADSBDemodSink();
|
|
~ADSBDemodSink();
|
|
|
|
virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end);
|
|
|
|
void getMagSqLevels(double& avg, double& peak, int& nbSamples)
|
|
{
|
|
if (m_magsqCount > 0)
|
|
{
|
|
m_magsq = m_magsqSum / m_magsqCount;
|
|
m_magSqLevelStore.m_magsq = m_magsq;
|
|
m_magSqLevelStore.m_magsqPeak = m_magsqPeak;
|
|
}
|
|
|
|
avg = m_magSqLevelStore.m_magsq;
|
|
peak = m_magSqLevelStore.m_magsqPeak;
|
|
nbSamples = m_magsqCount == 0 ? 1 : m_magsqCount;
|
|
|
|
m_magsqSum = 0.0f;
|
|
m_magsqPeak = 0.0f;
|
|
m_magsqCount = 0;
|
|
}
|
|
|
|
void init(int samplesPerBit);
|
|
void applyChannelSettings(int channelSampleRate, int channelFrequencyOffset, bool force = false);
|
|
void applySettings(const ADSBDemodSettings& settings, bool force = false);
|
|
void setMessageQueueToGUI(MessageQueue *messageQueue) { m_messageQueueToGUI = messageQueue; }
|
|
void setMessageQueueToWorker(MessageQueue *messageQueue) { m_messageQueueToWorker = messageQueue; }
|
|
|
|
private:
|
|
struct MagSqLevelsStore
|
|
{
|
|
MagSqLevelsStore() :
|
|
m_magsq(1e-12),
|
|
m_magsqPeak(1e-12)
|
|
{}
|
|
double m_magsq;
|
|
double m_magsqPeak;
|
|
};
|
|
|
|
int m_channelSampleRate;
|
|
int m_channelFrequencyOffset;
|
|
ADSBDemodSettings m_settings;
|
|
|
|
NCO m_nco;
|
|
Interpolator m_interpolator;
|
|
Real m_interpolatorDistance;
|
|
Real m_interpolatorDistanceRemain;
|
|
int m_sampleIdx;
|
|
int m_sampleCount;
|
|
int m_skipCount; // Samples to skip, because we've already received a frame
|
|
Real *m_sampleBuffer;
|
|
Real *m_preamble;
|
|
|
|
int m_totalSamples; // These two values are derived from samplesPerBit
|
|
int m_samplesPerChip;
|
|
|
|
double m_magsq; //!< displayed averaged value
|
|
double m_magsqSum;
|
|
double m_magsqPeak;
|
|
int m_magsqCount;
|
|
MagSqLevelsStore m_magSqLevelStore;
|
|
|
|
MovingAverageUtil<Real, double, 32> m_movingAverage;
|
|
|
|
MessageQueue *m_messageQueueToGUI;
|
|
MessageQueue *m_messageQueueToWorker;
|
|
|
|
void processOneSample(Complex &ci);
|
|
MessageQueue *getMessageQueueToGUI() { return m_messageQueueToGUI; }
|
|
MessageQueue *getMessageQueueToWorker() { return m_messageQueueToWorker; }
|
|
};
|
|
|
|
#endif // INCLUDE_ADSBDEMODSINK_H
|