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sdrangel/plugins/channelrx/demodft8/ft8demodsettings.cpp
f4exb 09d18ce9a3 FT8 demod: band presets
2023-01-22 20:08:32 +01:00

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 Edouard Griffiths, F4EXB. //
// //
// 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 <QColor>
#include "dsp/dspengine.h"
#include "util/simpleserializer.h"
#include "settings/serializable.h"
#include "ft8demodsettings.h"
const int FT8DemodSettings::m_ft8SampleRate = 12000;
#ifdef SDR_RX_SAMPLE_24BIT
const int FT8DemodSettings::m_minPowerThresholdDB = -120;
const float FT8DemodSettings::m_mminPowerThresholdDBf = 120.0f;
#else
const int FT8DemodSettings::m_minPowerThresholdDB = -100;
const float FT8DemodSettings::m_mminPowerThresholdDBf = 100.0f;
#endif
FT8DemodSettings::FT8DemodSettings() :
m_channelMarker(nullptr),
m_spectrumGUI(nullptr),
m_rollupState(nullptr)
{
m_filterBank.resize(10);
resetToDefaults();
}
void FT8DemodSettings::resetToDefaults()
{
m_agc = false;
m_recordWav = false;
m_logMessages = false;
m_nbDecoderThreads = 3;
m_decoderTimeBudget = 0.5;
m_volume = 1.0;
m_inputFrequencyOffset = 0;
m_rgbColor = QColor(0, 192, 255).rgb();
m_title = "FT8 Demodulator";
m_streamIndex = 0;
m_useReverseAPI = false;
m_reverseAPIAddress = "127.0.0.1";
m_reverseAPIPort = 8888;
m_reverseAPIDeviceIndex = 0;
m_reverseAPIChannelIndex = 0;
m_workspaceIndex = 0;
m_hidden = false;
m_filterIndex = 0;
m_bandPresets.push_back(FT8DemodBandPreset{"160m", 1840, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "80m", 3573, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "60m", 5357, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "40m", 7074, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "30m", 10136, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "20m", 14074, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "17m", 18100, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "15m", 21074, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "12m", 24915, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "10m", 28074, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "6m", 50313, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "4m", 70100, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "2m", 144120, 0});
m_bandPresets.push_back(FT8DemodBandPreset{"1.2m", 222065, 0});
m_bandPresets.push_back(FT8DemodBandPreset{"70cm", 432065, 0});
}
void FT8DemodSettings::resetBandPresets()
{
m_bandPresets.clear();
m_bandPresets.push_back(FT8DemodBandPreset{"160m", 1840, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "80m", 3573, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "60m", 5357, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "40m", 7074, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "30m", 10136, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "20m", 14074, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "17m", 18100, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "15m", 21074, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "12m", 24915, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "10m", 28074, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "6m", 50313, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "4m", 70100, 0});
m_bandPresets.push_back(FT8DemodBandPreset{ "2m", 144120, 0});
m_bandPresets.push_back(FT8DemodBandPreset{"1.2m", 222065, 0});
m_bandPresets.push_back(FT8DemodBandPreset{"70cm", 432065, 0});
}
QByteArray FT8DemodSettings::serialize() const
{
SimpleSerializer s(1);
QByteArray bytetmp;
QDataStream *stream = new QDataStream(&bytetmp, QIODevice::WriteOnly);
*stream << m_bandPresets;
delete stream;
s.writeBlob(2, bytetmp);
s.writeS32(1, m_inputFrequencyOffset);
s.writeS32(3, m_volume * 10.0);
if (m_spectrumGUI) {
s.writeBlob(4, m_spectrumGUI->serialize());
}
s.writeU32(5, m_rgbColor);
s.writeBool(6, m_recordWav);
s.writeBool(7, m_logMessages);
s.writeS32(8, m_nbDecoderThreads);
s.writeFloat(9, m_decoderTimeBudget);
s.writeBool(11, m_agc);
s.writeString(16, m_title);
s.writeBool(18, m_useReverseAPI);
s.writeString(19, m_reverseAPIAddress);
s.writeU32(20, m_reverseAPIPort);
s.writeU32(21, m_reverseAPIDeviceIndex);
s.writeU32(22, m_reverseAPIChannelIndex);
s.writeS32(23, m_streamIndex);
if (m_rollupState) {
s.writeBlob(24, m_rollupState->serialize());
}
s.writeS32(25, m_workspaceIndex);
s.writeBlob(26, m_geometryBytes);
s.writeBool(27, m_hidden);
s.writeU32(29, m_filterIndex);
for (unsigned int i = 0; i < 10; i++)
{
s.writeS32(100 + 10*i, m_filterBank[i].m_spanLog2);
s.writeS32(101 + 10*i, m_filterBank[i].m_rfBandwidth / 100.0);
s.writeS32(102 + 10*i, m_filterBank[i].m_lowCutoff / 100.0);
s.writeS32(103 + 10*i, (int) m_filterBank[i].m_fftWindow);
}
return s.final();
}
bool FT8DemodSettings::deserialize(const QByteArray& data)
{
SimpleDeserializer d(data);
if(!d.isValid())
{
resetToDefaults();
return false;
}
if(d.getVersion() == 1)
{
QByteArray bytetmp;
qint32 tmp;
uint32_t utmp;
QString strtmp;
d.readBlob(2, &bytetmp);
QDataStream readStream(&bytetmp, QIODevice::ReadOnly);
readStream >> m_bandPresets;
d.readS32(1, &m_inputFrequencyOffset, 0);
d.readS32(3, &tmp, 30);
m_volume = tmp / 10.0;
if (m_spectrumGUI)
{
d.readBlob(4, &bytetmp);
m_spectrumGUI->deserialize(bytetmp);
}
d.readU32(5, &m_rgbColor);
d.readBool(6, &m_recordWav, false);
d.readBool(7, &m_logMessages, false);
d.readS32(8, &m_nbDecoderThreads, 3);
d.readFloat(9, &m_decoderTimeBudget, 0.5);
d.readBool(11, &m_agc, false);
d.readString(16, &m_title, "SSB Demodulator");
d.readBool(18, &m_useReverseAPI, false);
d.readString(19, &m_reverseAPIAddress, "127.0.0.1");
d.readU32(20, &utmp, 0);
if ((utmp > 1023) && (utmp < 65535)) {
m_reverseAPIPort = utmp;
} else {
m_reverseAPIPort = 8888;
}
d.readU32(21, &utmp, 0);
m_reverseAPIDeviceIndex = utmp > 99 ? 99 : utmp;
d.readU32(22, &utmp, 0);
m_reverseAPIChannelIndex = utmp > 99 ? 99 : utmp;
d.readS32(23, &m_streamIndex, 0);
if (m_rollupState)
{
d.readBlob(24, &bytetmp);
m_rollupState->deserialize(bytetmp);
}
d.readS32(25, &m_workspaceIndex, 0);
d.readBlob(26, &m_geometryBytes);
d.readBool(27, &m_hidden, false);
d.readU32(29, &utmp, 0);
m_filterIndex = utmp < 10 ? utmp : 0;
for (unsigned int i = 0; (i < 10); i++)
{
d.readS32(100 + 10*i, &m_filterBank[i].m_spanLog2, 3);
d.readS32(101 + 10*i, &tmp, 30);
m_filterBank[i].m_rfBandwidth = tmp * 100.0;
d.readS32(102+ 10*i, &tmp, 3);
m_filterBank[i].m_lowCutoff = tmp * 100.0;
d.readS32(103 + 10*i, &tmp, (int) FFTWindow::Blackman);
m_filterBank[i].m_fftWindow =
(FFTWindow::Function) (tmp < 0 ? 0 : tmp > (int) FFTWindow::BlackmanHarris7 ? (int) FFTWindow::BlackmanHarris7 : tmp);
}
return true;
}
else
{
resetToDefaults();
return false;
}
}
QDataStream& operator<<(QDataStream& out, const FT8DemodBandPreset& bandPreset)
{
out << bandPreset.m_name;
out << bandPreset.m_baseFrequency;
out << bandPreset.m_channelOffset;
return out;
}
QDataStream& operator>>(QDataStream& in, FT8DemodBandPreset& bandPreset)
{
in >> bandPreset.m_name;
in >> bandPreset.m_baseFrequency;
in >> bandPreset.m_channelOffset;
return in;
}
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