Updates decoder types to specify channel sample rate and pass/stop
frequencies for requested channels.  Updates tuner channel source
managers to accept a channel specification for channels that are
allocated.
This commit is contained in:
Denny
2018-09-09 09:49:05 -04:00
parent 9950e46e5a
commit b15a3e59a0
14 changed files with 177 additions and 120 deletions

View File

@@ -212,7 +212,8 @@ public class ChannelProcessingManager implements ChannelEventListener
try
{
source = mSourceManager.getSource(channel.getSourceConfiguration(),
channel.getDecodeConfiguration().getDecoderType().getChannelBandwidth());
channel.getDecodeConfiguration().getDecoderType().getChannelBandwidth(),
channel.getDecodeConfiguration().getDecoderType().getChannelSpecification());
}
catch(SourceException se)
{

View File

@@ -104,7 +104,7 @@ public class ComplexPrimeCICDecimate implements Listener<ReusableComplexBuffer>
* @throws FilterDesignException if a final low-pass cleanup filter cannot be created for the output channel rate
* and specified pass/stop frequencies.
*/
public ComplexPrimeCICDecimate(double sampleRate, int decimation, int passFrequency, int stopFrequency)
public ComplexPrimeCICDecimate(double sampleRate, int decimation, double passFrequency, double stopFrequency)
throws FilterDesignException
{
Validate.isTrue(decimation <= PRIMES[PRIMES.length - 1]);
@@ -400,7 +400,7 @@ public class ComplexPrimeCICDecimate implements Listener<ReusableComplexBuffer>
private ComplexFIRFilter2 mLowPassFilter;
private Listener<ReusableComplexBuffer> mReusableComplexBufferListener;
public Output(double outputSampleRate, int passFrequency, int stopFrequency) throws FilterDesignException
public Output(double outputSampleRate, double passFrequency, double stopFrequency) throws FilterDesignException
{
mBufferAssembler = new ReusableComplexBufferAssembler(2400, outputSampleRate);
@@ -461,7 +461,7 @@ public class ComplexPrimeCICDecimate implements Listener<ReusableComplexBuffer>
* @return a newly designed filter or a previously designed (cached) filter
* @throws FilterDesignException
*/
private float[] getLowPassFilter(double sampleRate, int passFrequency, int stopFrequency) throws FilterDesignException
private float[] getLowPassFilter(double sampleRate, double passFrequency, double stopFrequency) throws FilterDesignException
{
//Use existing filter if we've already designed one
if(sLowPassFilters.containsKey((int)sampleRate))

View File

@@ -299,8 +299,8 @@ public class FIRFilterSpecification
private int mOrder;
private Boolean mOddLength;
private int mGridDensity = 16;
private int mPassBandEndFrequency;
private int mStopBandStartFrequency;
private double mPassBandEndFrequency;
private double mStopBandStartFrequency;
private double mPassBandRipple;
private double mStopBandRipple;
private double mPassBandAmplitude = 1.0;
@@ -342,13 +342,13 @@ public class FIRFilterSpecification
return this;
}
public LowPassBuilder passBandCutoff(int frequencyHz)
public LowPassBuilder passBandCutoff(double frequencyHz)
{
mPassBandEndFrequency = frequencyHz;
return this;
}
public LowPassBuilder stopBandStart(int frequencyHz)
public LowPassBuilder stopBandStart(double frequencyHz)
{
mStopBandStartFrequency = frequencyHz;
return this;
@@ -905,7 +905,7 @@ public class FIRFilterSpecification
* @param stopBandRipple stop band ripple in dB
* @return estimated filter length
*/
public static int estimateFilterOrder(double sampleRate, int frequency1, int frequency2,
public static int estimateFilterOrder(double sampleRate, double frequency1, double frequency2,
double passBandRipple, double stopBandRipple)
{
double df = Math.abs(frequency2 - frequency1) / sampleRate;
@@ -1013,13 +1013,13 @@ public class FIRFilterSpecification
* @param amplitude of the frequency band relative to unity (0.0 - 1.0)
* @param ripple of the frequency band specified as db ripple
*/
public FrequencyBand(double sampleRate, int start, int end, double amplitude, double ripple)
public FrequencyBand(double sampleRate, double start, double end, double amplitude, double ripple)
{
this((double)start / sampleRate, (double)end / sampleRate,
this(start / sampleRate, end / sampleRate,
amplitude, ripple);
}
public FrequencyBand(double sampleRate, int start, int end, double amplitude, double ripple, double weight)
public FrequencyBand(double sampleRate, double start, double end, double amplitude, double ripple, double weight)
{
this(sampleRate, start, end, amplitude, ripple);
mWeight = weight;

View File

@@ -260,7 +260,7 @@ public class ChannelizerViewer extends JFrame
for(int x = 0; x < mChannelCount; x++)
{
TunerChannel tunerChannel = new TunerChannel(100000000, 12500);
TunerChannelSource source = mTestTuner.getChannelSourceManager().getSource(tunerChannel);
TunerChannelSource source = mTestTuner.getChannelSourceManager().getSource(tunerChannel, null);
DiscreteChannelPanel channelPanel = new DiscreteChannelPanel(mSettingsManager, source, x);
channelPanel.setDFTSize(mChannelPanelDFTSize);
@@ -362,7 +362,7 @@ public class ChannelizerViewer extends JFrame
mComplexDecibelConverter.addListener(mSpectrumPanel);
TunerChannel tunerChannel = new TunerChannel(frequency, bandwidth);
mSource = mTestTuner.getChannelSourceManager().getSource(tunerChannel);
mSource = mTestTuner.getChannelSourceManager().getSource(tunerChannel, null);
if(mSource != null)
{
@@ -556,7 +556,7 @@ public class ChannelizerViewer extends JFrame
{
if(sourceCount < maxSourceCount)
{
TunerChannelSource source = tuner.getChannelSourceManager().getSource(tunerChannel);
TunerChannelSource source = tuner.getChannelSourceManager().getSource(tunerChannel, null);
if(source != null)
{

View File

@@ -376,7 +376,7 @@ public class ChannelizerViewer2 extends JFrame
mComplexDecibelConverter.addListener(mSpectrumPanel);
TunerChannel tunerChannel = new TunerChannel(frequency, bandwidth);
mSource = mTestTuner.getChannelSourceManager().getSource(tunerChannel);
mSource = mTestTuner.getChannelSourceManager().getSource(tunerChannel, null);
if(mSource != null)
{

View File

@@ -347,7 +347,6 @@ public class DecoderFactory
filters.add(new MPT1327MessageFilter());
break;
case P25_PHASE1:
case P25_PHASE2:
filters.add(new P25MessageFilterSet());
break;
case PASSPORT:

View File

@@ -1,22 +1,22 @@
/*******************************************************************************
* SDR Trunk
* Copyright (C) 2014 Dennis Sheirer
*
* 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, either 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 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/>
* sdr-trunk
* Copyright (C) 2014-2018 Dennis Sheirer
*
* 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, either 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 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/>
*
******************************************************************************/
package io.github.dsheirer.module.decode;
import io.github.dsheirer.source.tuner.channel.ChannelSpecification;
import java.util.ArrayList;
import java.util.EnumSet;
@@ -25,37 +25,37 @@ import java.util.EnumSet;
*/
public enum DecoderType
{
ACARS( "ACARS", "ACARS", "images/acars.png", 12500 ),
AIS( "AIS", "AIS", "images/ais.png", 12500 ),
AM( "AM", "AM", "images/am.png", 10000 ),
APRS( "APRS", "APRS", "images/aprs.png", 12500 ),
DMR( "DMR", "DMR", "images/dmr.png", 12500 ),
FLEETSYNC2( "Fleetsync II", "Fleetsync2", "images/fm.png", 12500 ),
LJ_1200( "LJ1200 173.075", "LJ1200", "images/lj1200.png", 12500 ),
LTR_STANDARD( "LTR-Standard", "LTR", "images/ltr.png", 10000 ),
LTR_NET( "LTR-Net", "LTR-Net", "images/ltr_net.png", 12500 ),
MDC1200( "MDC1200", "MDC1200", "images/fm.png", 12500 ),
MOTOROLA_TYPE_2( "MOTO T2", "MOTO T2", "images/motorola_type_2.png", 15000 ),
MPT1327( "MPT1327", "MPT1327", "images/mpt1327.png", 12500 ),
NXDN( "NXDN", "NXDN", "images/nxdn.png", 8000 ),
NBFM( "NBFM", "NBFM", "images/fm.png", 12500 ),
PASSPORT( "Passport", "Passport", "images/passport.png", 12500 ),
P25_PHASE1( "P25 Phase I", "P25-1", "images/p25_1.png", 12500 ),
P25_PHASE2( "P25 Phase II", "P25-2", "images/p25_2.png", 15000 ),
TAIT_1200( "Tait 1200", "Tait 1200", "images/tait.png", 12500 );
//Primary Decoders
AM("AM", "AM", 10000, new ChannelSpecification(25000.0, 3000.0, 5000.0)),
LTR_STANDARD("LTR-Standard", "LTR", 12500, new ChannelSpecification(25000.0, 6000.0, 7000.0)),
LTR_NET("LTR-Net", "LTR-Net", 12500, new ChannelSpecification(25000.0, 6000.0, 7000.0)),
MPT1327("MPT1327", "MPT1327", 12500, new ChannelSpecification(25000.0, 6000.0, 7000.0)),
NBFM("NBFM", "NBFM", 12500, new ChannelSpecification(25000.0, 6000.0, 7000.0)),
PASSPORT("Passport", "Passport", 12500, new ChannelSpecification(25000.0, 6000.0, 7000.0)),
P25_PHASE1("P25 Phase I", "P25-1", 12500, new ChannelSpecification(50000.0, 6000.0, 7000.0)),
//Auxiliary Decoders
FLEETSYNC2("Fleetsync II", "Fleetsync2", 12500),
LJ_1200("LJ1200 173.075", "LJ1200", 12500),
MDC1200("MDC1200", "MDC1200", 12500),
TAIT_1200("Tait 1200", "Tait 1200", 12500);
private String mDisplayString;
private String mShortDisplayString;
private String mIconFilename;
private int mChannelBandwidth;
DecoderType( String displayString, String shortDisplayString,
String iconFilename, int bandwidth )
private ChannelSpecification mChannelSpecification;
DecoderType(String displayString, String shortDisplayString, int bandwidth, ChannelSpecification channelSpecification)
{
mDisplayString = displayString;
mShortDisplayString = shortDisplayString;
mIconFilename = iconFilename;
mChannelBandwidth = bandwidth;
mChannelSpecification = channelSpecification;
}
DecoderType(String displayString, String shortDisplayString, int bandwidth)
{
this(displayString, shortDisplayString, bandwidth, null);
}
/**
@@ -63,68 +63,57 @@ public enum DecoderType
*/
public static EnumSet<DecoderType> getPrimaryDecoders()
{
return EnumSet.of( DecoderType.AM,
DecoderType.LTR_NET,
DecoderType.LTR_STANDARD,
DecoderType.MPT1327,
DecoderType.NBFM,
DecoderType.P25_PHASE1,
DecoderType.PASSPORT );
return EnumSet.of(DecoderType.AM,
DecoderType.LTR_NET,
DecoderType.LTR_STANDARD,
DecoderType.MPT1327,
DecoderType.NBFM,
DecoderType.P25_PHASE1,
DecoderType.PASSPORT);
}
/**
* Decoders that can be used in the viewer application
*/
public static EnumSet<DecoderType> getInstrumentableDecoders()
{
return EnumSet.of( DecoderType.FLEETSYNC2,
DecoderType.LJ_1200,
DecoderType.LTR_NET,
DecoderType.MDC1200,
DecoderType.MPT1327,
DecoderType.PASSPORT,
DecoderType.P25_PHASE1,
DecoderType.TAIT_1200 );
}
/**
* Available auxiliary decoders.
*/
public static ArrayList<DecoderType> getAuxDecoders()
{
ArrayList<DecoderType> decoders = new ArrayList<DecoderType>();
decoders.add( DecoderType.FLEETSYNC2 );
decoders.add( DecoderType.LJ_1200 );
decoders.add( DecoderType.MDC1200 );
decoders.add( DecoderType.TAIT_1200 );
return decoders;
ArrayList<DecoderType> decoders = new ArrayList<DecoderType>();
decoders.add(DecoderType.FLEETSYNC2);
decoders.add(DecoderType.LJ_1200);
decoders.add(DecoderType.MDC1200);
decoders.add(DecoderType.TAIT_1200);
return decoders;
}
public String getDisplayString()
{
return mDisplayString;
}
public String getShortDisplayString()
{
return mShortDisplayString;
return mShortDisplayString;
}
public String getIconFilename()
{
return mIconFilename;
}
public int getChannelBandwidth()
{
return mChannelBandwidth;
return mChannelBandwidth;
}
/**
* Channel specification for a channel for this decoder type.
* @return specification or null
*/
public ChannelSpecification getChannelSpecification()
{
return mChannelSpecification;
}
@Override
public String toString()
{
return mDisplayString;
return mDisplayString;
}
}

View File

@@ -25,6 +25,7 @@ import io.github.dsheirer.source.mixer.MixerManager;
import io.github.dsheirer.source.recording.RecordingSourceManager;
import io.github.dsheirer.source.tuner.TunerManager;
import io.github.dsheirer.source.tuner.TunerModel;
import io.github.dsheirer.source.tuner.channel.ChannelSpecification;
public class SourceManager
{
@@ -73,7 +74,7 @@ public class SourceManager
return mTunerModel;
}
public Source getSource(SourceConfiguration config, int bandwidth)
public Source getSource(SourceConfiguration config, int bandwidth, ChannelSpecification channelSpecification)
throws SourceException
{
Source retVal = null;
@@ -84,7 +85,7 @@ public class SourceManager
retVal = mMixerManager.getSource(config);
break;
case TUNER:
retVal = mTunerModel.getSource((SourceConfigTuner) config, bandwidth);
retVal = mTunerModel.getSource((SourceConfigTuner) config, bandwidth, channelSpecification);
break;
case RECORDING:
retVal = mRecordingSourceManager.getSource(config, bandwidth);

View File

@@ -21,6 +21,7 @@ import io.github.dsheirer.source.Source;
import io.github.dsheirer.source.SourceException;
import io.github.dsheirer.source.config.SourceConfigTuner;
import io.github.dsheirer.source.tuner.TunerEvent.Event;
import io.github.dsheirer.source.tuner.channel.ChannelSpecification;
import io.github.dsheirer.source.tuner.channel.TunerChannel;
import io.github.dsheirer.source.tuner.channel.TunerChannelSource;
import io.github.dsheirer.source.tuner.configuration.TunerConfiguration;
@@ -327,7 +328,7 @@ public class TunerModel extends AbstractTableModel implements Listener<TunerEven
*
* Returns null if no tuner can source the channel
*/
public Source getSource(SourceConfigTuner config, int bandwidth)
public Source getSource(SourceConfigTuner config, int bandwidth, ChannelSpecification channelSpecification)
{
TunerChannelSource retVal = null;
@@ -347,7 +348,7 @@ public class TunerModel extends AbstractTableModel implements Listener<TunerEven
{
try
{
retVal = tuner.getChannelSourceManager().getSource(tunerChannel);
retVal = tuner.getChannelSourceManager().getSource(tunerChannel, channelSpecification);
if(retVal != null)
{
@@ -370,7 +371,7 @@ public class TunerModel extends AbstractTableModel implements Listener<TunerEven
try
{
retVal = tuner.getChannelSourceManager().getSource(tunerChannel);
retVal = tuner.getChannelSourceManager().getSource(tunerChannel, channelSpecification);
}
catch(Exception e)
{

View File

@@ -44,12 +44,6 @@ public class CICTunerChannelSource extends TunerChannelSource implements Listene
//Threshold for resetting buffer overflow condition
private static final int BUFFER_OVERFLOW_RESET_THRESHOLD = 100;
//Pass band cutoff frequency for the complex channel - target = 12.5 kHz channel
private static final int CHANNEL_PASS_FREQUENCY = 6000;
//Stop band frequency for the complex channel
private static final int CHANNEL_STOP_FREQUENCY = 6700;
private OverflowableReusableBufferTransferQueue<ReusableComplexBuffer> mBuffer;
private ReusableComplexBufferQueue mReusableComplexBufferQueue = new ReusableComplexBufferQueue("CICTunerChannelSource");
private IOscillator mFrequencyCorrectionMixer;
@@ -65,16 +59,19 @@ public class CICTunerChannelSource extends TunerChannelSource implements Listene
* @param producerSourceEventListener to receive sample stream start/stop requests
* @param tunerChannel that details the desired channel frequency and bandwidth
* @param sampleRate of the incoming sample stream
* @param decimation to use in the CIC decimation filter.
* @param channelSpecification for the requested channel.
* @throws FilterDesignException if a final cleanup filter cannot be designed using the remez filter
* designer and the filter parameters.
*/
public CICTunerChannelSource(Listener<SourceEvent> producerSourceEventListener, TunerChannel tunerChannel,
double sampleRate, int decimation) throws FilterDesignException
double sampleRate, ChannelSpecification channelSpecification) throws FilterDesignException
{
super(producerSourceEventListener, tunerChannel);
mDecimationFilter = new ComplexPrimeCICDecimate(sampleRate, decimation, CHANNEL_PASS_FREQUENCY, CHANNEL_STOP_FREQUENCY);
int decimation = (int)(sampleRate / channelSpecification.getMinimumSampleRate());
mDecimationFilter = new ComplexPrimeCICDecimate(sampleRate, decimation, channelSpecification.getPassFrequency(),
channelSpecification.getStopFrequency());
mBuffer = new OverflowableReusableBufferTransferQueue<>(BUFFER_MAX_CAPACITY, BUFFER_OVERFLOW_RESET_THRESHOLD);
//Setup the frequency mixer to the current source frequency

View File

@@ -0,0 +1,63 @@
/*******************************************************************************
* sdr-trunk
* Copyright (C) 2014-2018 Dennis Sheirer
*
* 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, either 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 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/>
*
******************************************************************************/
package io.github.dsheirer.source.tuner.channel;
/**
* Channel source specification
*/
public class ChannelSpecification
{
private double mMinimumSampleRate;
private double mPassFrequency;
private double mStopFrequency;
/**
* Constructs a channel specification instance.
* @param minimumSampleRate requested for the channel
* @param passFrequency for the pass band of the channel
* @param stopFrequency for the stop band of teh channel
*/
public ChannelSpecification(double minimumSampleRate, double passFrequency, double stopFrequency)
{
mMinimumSampleRate = minimumSampleRate;
mPassFrequency = passFrequency;
mStopFrequency = stopFrequency;
}
/**
* Minimum requested sample rate for the channel
*/
public double getMinimumSampleRate()
{
return mMinimumSampleRate;
}
/**
* Pass band frequency for filtering the channel
*/
public double getPassFrequency()
{
return mPassFrequency;
}
/**
* Stop band frequency for filtering the channel
*/
public double getStopFrequency()
{
return mStopFrequency;
}
}

View File

@@ -19,6 +19,7 @@ import io.github.dsheirer.sample.Broadcaster;
import io.github.dsheirer.sample.Listener;
import io.github.dsheirer.source.ISourceEventProcessor;
import io.github.dsheirer.source.SourceEvent;
import io.github.dsheirer.source.tuner.channel.ChannelSpecification;
import io.github.dsheirer.source.tuner.channel.TunerChannel;
import io.github.dsheirer.source.tuner.channel.TunerChannelSource;
@@ -50,9 +51,10 @@ public abstract class ChannelSourceManager implements ISourceEventProcessor
* resources allocated for the tuner channel source.
*
* @param tunerChannel for requested source
* @param channelSpecification for the requested channel
* @return tuner channel source or null
*/
public abstract TunerChannelSource getSource(TunerChannel tunerChannel);
public abstract TunerChannelSource getSource(TunerChannel tunerChannel, ChannelSpecification channelSpecification);
/**
* Adds a listener to receive source events

View File

@@ -22,6 +22,7 @@ import io.github.dsheirer.source.SourceEvent;
import io.github.dsheirer.source.SourceException;
import io.github.dsheirer.source.tuner.TunerController;
import io.github.dsheirer.source.tuner.channel.CICTunerChannelSource;
import io.github.dsheirer.source.tuner.channel.ChannelSpecification;
import io.github.dsheirer.source.tuner.channel.TunerChannel;
import io.github.dsheirer.source.tuner.channel.TunerChannelSource;
import org.slf4j.Logger;
@@ -39,7 +40,6 @@ public class HeterodyneChannelSourceManager extends ChannelSourceManager
{
private final static Logger mLog = LoggerFactory.getLogger(HeterodyneChannelSourceManager.class);
private final static int OBJECTIVE_CHANNEL_SAMPLE_RATE = 25000;
private final static int DELAY_BUFFER_DURATION_MILLISECONDS = 2000;
private List<CICTunerChannelSource> mChannelSources = new CopyOnWriteArrayList<>();
@@ -67,17 +67,15 @@ public class HeterodyneChannelSourceManager extends ChannelSourceManager
}
@Override
public TunerChannelSource getSource(TunerChannel tunerChannel)
public TunerChannelSource getSource(TunerChannel tunerChannel, ChannelSpecification channelSpecification)
{
if(CenterFrequencyCalculator.canTune(tunerChannel, mTunerController, mTunerChannels))
{
int decimation = mTunerController.getBandwidth() / OBJECTIVE_CHANNEL_SAMPLE_RATE;
try
{
//Attempt to create the channel source first, in case we get a filter design exception
CICTunerChannelSource tunerChannelSource = new CICTunerChannelSource(mChannelSourceEventProcessor,
tunerChannel, mTunerController.getSampleRate(), decimation);
tunerChannel, mTunerController.getSampleRate(), channelSpecification);
//Add to the list of channel sources so that it will receive the tuner frequency change
mChannelSources.add(tunerChannelSource);
@@ -165,7 +163,7 @@ public class HeterodyneChannelSourceManager extends ChannelSourceManager
*/
private void broadcastToChannels(SourceEvent sourceEvent)
{
for(CICTunerChannelSource channelSource: mChannelSources)
for(CICTunerChannelSource channelSource : mChannelSources)
{
try
{

View File

@@ -19,6 +19,7 @@ import io.github.dsheirer.dsp.filter.channelizer.PolyphaseChannelManager;
import io.github.dsheirer.source.SourceEvent;
import io.github.dsheirer.source.SourceException;
import io.github.dsheirer.source.tuner.TunerController;
import io.github.dsheirer.source.tuner.channel.ChannelSpecification;
import io.github.dsheirer.source.tuner.channel.TunerChannel;
import io.github.dsheirer.source.tuner.channel.TunerChannelSource;
import org.slf4j.Logger;
@@ -390,8 +391,13 @@ public class PolyphaseChannelSourceManager extends ChannelSourceManager
* @return allocated DDC tuner channel source, or null if the channel cannot be provided by this source manager
*/
@Override
public TunerChannelSource getSource(TunerChannel tunerChannel)
public TunerChannelSource getSource(TunerChannel tunerChannel, ChannelSpecification channelSpecification)
{
if(channelSpecification != null)
{
throw new IllegalArgumentException("Update polyphase source manager to support channel specifications");
}
if(isTunable(tunerChannel))
{
//Get a new set of currently tuned channels