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sdrangel/plugins/channelrx/chanalyzer/chanalyzersettings.cpp
Jon Beniston 5d5b221e83 Add Costas Loop PLL in Channel Analyzer
Add loop bandwidth and other PLL controls to Channel Analyzer GUI.
Fix bug where PLL lock frequency would be incorrect by the decimation
factor.
2021-03-05 13:37:49 +00:00

142 lines
4.5 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2018 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 "chanalyzersettings.h"
ChannelAnalyzerSettings::ChannelAnalyzerSettings() :
m_channelMarker(0),
m_spectrumGUI(0),
m_scopeGUI(0)
{
resetToDefaults();
}
void ChannelAnalyzerSettings::resetToDefaults()
{
m_inputFrequencyOffset = 0;
m_rationalDownSample = false;
m_rationalDownSamplerRate = 0;
m_bandwidth = 5000;
m_lowCutoff = 300;
m_log2Decim = 0;
m_ssb = false;
m_pll = false;
m_fll = false;
m_costasLoop = false;
m_rrc = false;
m_rrcRolloff = 35; // 0.35
m_pllPskOrder = 1;
m_pllBandwidth = 0.002f;
m_pllDampingFactor = 0.5f;
m_pllLoopGain = 10.0f;
m_inputType = InputSignal;
m_rgbColor = QColor(128, 128, 128).rgb();
m_title = "Channel Analyzer";
}
QByteArray ChannelAnalyzerSettings::serialize() const
{
SimpleSerializer s(1);
s.writeS32(1, m_inputFrequencyOffset);
s.writeS32(2, m_bandwidth);
s.writeBlob(3, m_spectrumGUI->serialize());
s.writeU32(4, m_rgbColor);
s.writeS32(5, m_lowCutoff);
s.writeS32(6, m_log2Decim);
s.writeBool(7, m_ssb);
s.writeBlob(8, m_scopeGUI->serialize());
s.writeBool(9, m_rationalDownSample);
s.writeU32(10, m_rationalDownSamplerRate);
s.writeBool(11, m_pll);
s.writeBool(12, m_fll);
s.writeU32(13, m_pllPskOrder);
s.writeS32(14, (int) m_inputType);
s.writeString(15, m_title);
s.writeBool(16, m_rrc);
s.writeU32(17, m_rrcRolloff);
s.writeFloat(18, m_pllBandwidth);
s.writeFloat(19, m_pllDampingFactor);
s.writeFloat(20, m_pllLoopGain);
s.writeBool(21, m_costasLoop);
return s.final();
}
bool ChannelAnalyzerSettings::deserialize(const QByteArray& data)
{
SimpleDeserializer d(data);
if(!d.isValid())
{
resetToDefaults();
return false;
}
if(d.getVersion() == 1)
{
QByteArray bytetmp;
int tmp;
d.readS32(1, &m_inputFrequencyOffset, 0);
d.readS32(2, &m_bandwidth, 5000);
if (m_spectrumGUI) {
d.readBlob(3, &bytetmp);
m_spectrumGUI->deserialize(bytetmp);
}
d.readU32(4, &m_rgbColor);
d.readS32(5, &m_lowCutoff, 3);
d.readS32(6, &m_log2Decim, 0);
d.readBool(7, &m_ssb, false);
if (m_scopeGUI) {
d.readBlob(8, &bytetmp);
m_scopeGUI->deserialize(bytetmp);
}
d.readBool(9, &m_rationalDownSample, false);
d.readU32(10, &m_rationalDownSamplerRate, 2000U);
d.readBool(11, &m_pll, false);
d.readBool(12, &m_fll, false);
d.readU32(13, &m_pllPskOrder, 1);
d.readS32(14, &tmp, 0);
m_inputType = (InputType) tmp;
d.readString(15, &m_title, "Channel Analyzer");
d.readBool(16, &m_rrc, false);
d.readU32(17, &m_rrcRolloff, 35);
d.readFloat(18, &m_pllBandwidth, 0.002f);
d.readFloat(19, &m_pllDampingFactor, 0.5f);
d.readFloat(20, &m_pllLoopGain, 10.0f);
d.readBool(21, &m_costasLoop, false);
return true;
}
else
{
resetToDefaults();
return false;
}
}