Refactored
This commit is contained in:
@@ -6,6 +6,7 @@ NAME := Source
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CXX_SRCS := GraphComponent.cpp
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CXX_SRCS += LogComponent.cpp
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CXX_SRCS += Receiver.cpp
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CXX_SRCS += TimingGeneratorGardner.cpp
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CXX_SRCS += FrameReceiver.cpp
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CXX_SRCS += Transmitter.cpp
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CXX_SRCS += ControlComponent.cpp
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+4
-4
@@ -638,14 +638,14 @@ void Receiver::processBaseband(CVec const &iq, size_t len)
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// Statistics
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#ifndef DISABLE_UNUSED_STATISTICS
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SlidingVarProcess(&m_statistics.I_MF, IQ_mf.real);
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SlidingVarProcess(&m_statistics.Q_MF, IQ_mf.imag);
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SlidingVarProcess(&m_statistics.I_MF, IQ_mf.real());
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SlidingVarProcess(&m_statistics.Q_MF, IQ_mf.imag());
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SlidingVarProcess(&m_statistics.I_CPR, IQ_cpr.real());
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SlidingVarProcess(&m_statistics.Q_CPR, IQ_cpr.imag());
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SlidingVarProcess(&m_statistics.I_AGC, IQ_agc.real);
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SlidingVarProcess(&m_statistics.Q_AGC, IQ_agc.imag);
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SlidingVarProcess(&m_statistics.I_decision, IQ_hard.real);
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SlidingVarProcess(&m_statistics.Q_decision, IQ_hard.imag);
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SlidingVarProcess(&m_statistics.I_decision, IQ_hard.real());
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SlidingVarProcess(&m_statistics.Q_decision, IQ_hard.imag());
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SlidingVarProcess(&m_statistics.MagDecision, sym_err.hard_mag);
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SlidingVarProcess(&m_statistics.PhiDecision, sym_err.hard_phi);
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#endif
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+1
-62
@@ -11,6 +11,7 @@
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#include <JuceHeader.h>
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#include "LogComponent.h"
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#include "FrameReceiver.hpp"
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#include "TimingGeneratorGardner.hpp"
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#include <cpp/radio/Vector.hpp>
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#include <cpp/radio/FirComplex.hpp>
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@@ -274,68 +275,6 @@ public:
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virtual void receiverDataChanged(Receiver *pObj) = 0;
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};
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// Symbol timing recovery
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class TimingGeneratorGardner : public Interpolation::TimingGenerator
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{
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// Loop-Filter
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lead_lag_filter_t *filter;
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lead_lag_coeff_t *coeff;
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// Gardner Symbol Timing Recovery
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str_t m_SymbolTimingRevovery;
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sl_var_t sl_var;
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bool is_time;
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radio_float_t m_omega;
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public:
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TimingGeneratorGardner()
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: Interpolation::TimingGenerator()
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, filter(nullptr)
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, coeff(nullptr)
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, is_time(true)
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{
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STRGardnerInit(&m_SymbolTimingRevovery);
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SlidingVarInit(&sl_var, 12000, 12000);
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}
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virtual ~TimingGeneratorGardner() = default;
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void reset()
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{
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LeadLagInit(filter, 0.00);
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}
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void loopFilterSetup(lead_lag_filter_t *pFilter, lead_lag_coeff_t *pCoeff)
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{
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filter = pFilter;
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coeff = pCoeff;
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}
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bool process(ComplexScalar const &iq)
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{
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// @2 x symbolrate
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// Symbol timing recovery
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radio_float_t vd = STRGardnerProcess(&m_SymbolTimingRevovery, toCpx(iq));
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if (is_time)
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{
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// @1 x symbolrate
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m_omega = LeadLagProcess(filter, coeff, vd);
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SlidingVarProcess(&sl_var, getMu());
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}
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is_time = not is_time;
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update(m_omega);
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return not is_time;
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}
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radio_float_t getMuVar()
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{
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return SlidingVarGet(&sl_var);
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}
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};
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class Receiver : public ReceiverInterface, public Timer
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{
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public:
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@@ -0,0 +1,51 @@
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#include "TimingGeneratorGardner.hpp"
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namespace Radio
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{
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TimingGeneratorGardner::TimingGeneratorGardner()
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: Interpolation::TimingGenerator()
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, filter(nullptr)
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, coeff(nullptr)
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, is_time(true)
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{
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STRGardnerInit(&m_SymbolTimingRevovery);
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SlidingVarInit(&sl_var, 12000, 12000);
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}
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void TimingGeneratorGardner::reset()
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{
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LeadLagInit(filter, 0.00);
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}
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void TimingGeneratorGardner::loopFilterSetup(lead_lag_filter_t *pFilter, lead_lag_coeff_t *pCoeff)
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{
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filter = pFilter;
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coeff = pCoeff;
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}
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bool TimingGeneratorGardner::process(ComplexScalar const &iq)
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{
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// @2 x symbolrate
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// Symbol timing recovery
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radio_float_t vd = STRGardnerProcess(&m_SymbolTimingRevovery, toCpx(iq));
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if (is_time)
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{
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// @1 x symbolrate
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m_omega = LeadLagProcess(filter, coeff, vd);
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SlidingVarProcess(&sl_var, getMu());
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}
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is_time = not is_time;
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update(m_omega);
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return not is_time;
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}
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radio_float_t TimingGeneratorGardner::getMuVar()
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{
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return SlidingVarGet(&sl_var);
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}
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} // Radio
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@@ -0,0 +1,40 @@
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#ifndef TIMINGGENERATORGARDNER_HPP
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#define TIMINGGENERATORGARDNER_HPP
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#pragma once
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#include <cpp/radio/interpolation/TimingGenerator.hpp>
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#include <radio/synchronization.h>
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#include <radio/statistics.h>
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namespace Radio
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{
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// Symbol timing recovery
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class TimingGeneratorGardner : public Interpolation::TimingGenerator
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{
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public:
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TimingGeneratorGardner();
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virtual ~TimingGeneratorGardner() = default;
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void reset();
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void loopFilterSetup(lead_lag_filter_t *pFilter, lead_lag_coeff_t *pCoeff);
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bool process(ComplexScalar const &iq);
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radio_float_t getMuVar();
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private:
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// Loop-Filter
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lead_lag_filter_t *filter;
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lead_lag_coeff_t *coeff;
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// Gardner Symbol Timing Recovery
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str_t m_SymbolTimingRevovery;
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sl_var_t sl_var;
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bool is_time;
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radio_float_t m_omega;
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};
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} // Radio
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#endif // TIMINGGENERATORGARDNER_HPP
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