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ChannelAnalyzerNG: implemented FLL

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This commit is contained in:
f4exb 2018-05-17 09:09:57 +02:00
parent e723764376
commit 47f214fdf0
5 changed files with 43 additions and 10 deletions
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21
plugins/channelrx/chanalyzerng/chanalyzerng.cpp
View File

@ -51,6 +51,7 @@ ChannelAnalyzerNG::ChannelAnalyzerNG(DeviceSourceAPI *deviceAPI) :
DSBFilter = new fftfilt(m_config.m_Bandwidth / m_config.m_inputSampleRate, 2*ssbFftLen);
//m_pll.computeCoefficients(0.05f, 0.707f, 1000.0f); // bandwidth, damping factor, loop gain
m_pll.computeCoefficients(0.002f, 0.5f, 10.0f); // bandwidth, damping factor, loop gain
m_fll.computeCoefficients(0.004f); // ~100Hz @ 48 kHz
apply(true);
@ -77,9 +78,10 @@ void ChannelAnalyzerNG::configure(MessageQueue* messageQueue,
int spanLog2,
bool ssb,
bool pll,
bool fll,
unsigned int pllPskOrder)
{
Message* cmd = MsgConfigureChannelAnalyzer::create(channelSampleRate, Bandwidth, LowCutoff, spanLog2, ssb, pll, pllPskOrder);
Message* cmd = MsgConfigureChannelAnalyzer::create(channelSampleRate, Bandwidth, LowCutoff, spanLog2, ssb, pll, fll, pllPskOrder);
messageQueue->push(cmd);
}
@ -170,6 +172,7 @@ bool ChannelAnalyzerNG::handleMessage(const Message& cmd)
m_config.m_spanLog2 = cfg.getSpanLog2();
m_config.m_ssb = cfg.getSSB();
m_config.m_pll = cfg.getPLL();
m_config.m_fll = cfg.getFLL();
m_config.m_pllPskOrder = cfg.getPLLPSKOrder();
qDebug() << "ChannelAnalyzerNG::handleMessage: MsgConfigureChannelAnalyzer:"
@ -179,6 +182,7 @@ bool ChannelAnalyzerNG::handleMessage(const Message& cmd)
<< " m_spanLog2: " << m_config.m_spanLog2
<< " m_ssb: " << m_config.m_ssb
<< " m_pll: " << m_config.m_pll
<< " m_fll: " << m_config.m_fll
<< " m_pllPskOrder: " << m_config.m_pllPskOrder;
apply();
@ -254,7 +258,9 @@ void ChannelAnalyzerNG::apply(bool force)
if ((m_running.m_channelSampleRate != m_config.m_channelSampleRate) ||
(m_running.m_spanLog2 != m_config.m_spanLog2) || force)
{
m_pll.setSampleRate(m_running.m_channelSampleRate / (1<<m_running.m_spanLog2));
int sampleRate = m_running.m_channelSampleRate / (1<<m_running.m_spanLog2);
m_pll.setSampleRate(sampleRate);
m_fll.computeCoefficients(200.0f/sampleRate); // 100 Hz
}
if (m_running.m_pll != m_config.m_pll || force)
@ -264,10 +270,19 @@ void ChannelAnalyzerNG::apply(bool force)
}
}
if (m_running.m_pll != m_config.m_pll || force)
if (m_running.m_fll != m_config.m_fll || force)
{
if (m_config.m_fll) {
m_fll.reset();
}
}
if (m_running.m_pllPskOrder != m_config.m_pllPskOrder || force)
{
if (m_config.m_pllPskOrder < 5) {
m_pll.setPskOrder(m_config.m_pllPskOrder);
}
}
m_running.m_frequency = m_config.m_frequency;
m_running.m_channelSampleRate = m_config.m_channelSampleRate;

15
plugins/channelrx/chanalyzerng/chanalyzerng.h
View File

@ -26,6 +26,7 @@
#include "dsp/ncof.h"
#include "dsp/fftfilt.h"
#include "dsp/phaselockcomplex.h"
#include "dsp/freqlockcomplex.h"
#include "audio/audiofifo.h"
#include "util/message.h"
@ -47,6 +48,7 @@ public:
int getSpanLog2() const { return m_spanLog2; }
bool getSSB() const { return m_ssb; }
bool getPLL() const { return m_pll; }
bool getFLL() const { return m_fll; }
unsigned int getPLLPSKOrder() const { return m_pllPskOrder; }
static MsgConfigureChannelAnalyzer* create(
@ -56,6 +58,7 @@ public:
int spanLog2,
bool ssb,
bool pll,
bool fll,
unsigned int pllPskOrder)
{
return new MsgConfigureChannelAnalyzer(
@ -65,6 +68,7 @@ public:
spanLog2,
ssb,
pll,
fll,
pllPskOrder);
}
@ -75,6 +79,7 @@ public:
int m_spanLog2;
bool m_ssb;
bool m_pll;
bool m_fll;
unsigned int m_pllPskOrder;
MsgConfigureChannelAnalyzer(
@ -84,6 +89,7 @@ public:
int spanLog2,
bool ssb,
bool pll,
bool fll,
unsigned int pllPskOrder) :
Message(),
m_channelSampleRate(channelSampleRate),
@ -92,6 +98,7 @@ public:
m_spanLog2(spanLog2),
m_ssb(ssb),
m_pll(pll),
m_fll(fll),
m_pllPskOrder(pllPskOrder)
{ }
};
@ -148,6 +155,7 @@ public:
int spanLog2,
bool ssb,
bool pll,
bool fll,
unsigned int pllPskOrder);
DownChannelizer *getChannelizer() { return m_channelizer; }
@ -185,6 +193,7 @@ private:
int m_spanLog2;
bool m_ssb;
bool m_pll;
bool m_fll;
unsigned int m_pllPskOrder;
Config() :
@ -196,6 +205,7 @@ private:
m_spanLog2(3),
m_ssb(false),
m_pll(false),
m_fll(false),
m_pllPskOrder(1)
{}
};
@ -215,6 +225,7 @@ private:
NCOF m_nco;
PhaseLockComplex m_pll;
FreqLockComplex m_fll;
Interpolator m_interpolator;
Real m_interpolatorDistance;
Real m_interpolatorDistanceRemain;
@ -258,7 +269,11 @@ private:
if (m_running.m_pll)
{
if (m_running.m_fll) {
m_fll.feed(re, im);
} else {
m_pll.feed(re, im);
}
// Use -fPLL to mix (exchange PLL real and image in the complex multiplication)
Real mixI = m_sum.real() * m_pll.getImag() - m_sum.imag() * m_pll.getReal();

7
plugins/channelrx/chanalyzerng/chanalyzernggui.cpp
View File

@ -251,9 +251,8 @@ void ChannelAnalyzerNGGUI::on_channelSampleRate_changed(quint64 value)
}
}
void ChannelAnalyzerNGGUI::on_pll_toggled(bool checked)
void ChannelAnalyzerNGGUI::on_pll_toggled(bool checked __attribute__((unused)))
{
m_usePll = checked;
applySettings();
}
@ -399,8 +398,7 @@ ChannelAnalyzerNGGUI::ChannelAnalyzerNGGUI(PluginAPI* pluginAPI, DeviceUISet *de
m_channelMarker(this),
m_doApplySettings(true),
m_rate(6000),
m_spanLog2(0),
m_usePll(false)
m_spanLog2(0)
{
ui->setupUi(this);
setAttribute(Qt::WA_DeleteOnClose, true);
@ -592,6 +590,7 @@ void ChannelAnalyzerNGGUI::applySettings()
m_spanLog2,
ui->ssb->isChecked(),
ui->pll->isChecked(),
ui->pllPskOrder->currentIndex() == 5,
1<<ui->pllPskOrder->currentIndex());
}
}

1
plugins/channelrx/chanalyzerng/chanalyzernggui.h
View File

@ -66,7 +66,6 @@ private:
bool m_doApplySettings;
int m_rate; //!< sample rate after final in-channel decimation (spanlog2)
int m_spanLog2;
bool m_usePll;
MovingAverageUtil<Real, double, 40> m_channelPowerDbAvg;
ChannelAnalyzerNG* m_channelAnalyzer;

5
plugins/channelrx/chanalyzerng/chanalyzernggui.ui
View File

@ -233,6 +233,11 @@
<string>16</string>
</property>
</item>
<item>
<property name="text">
<string>F</string>
</property>
</item>
</widget>
</item>
<item>