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#1310 NBFM decoder uses new Noise Squelch and includes new noise squelch view and control. (#2264)

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Co-authored-by: denny <dennis.sheirer@gmail.com>
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Denny Sheirer
2025-08-02 08:34:32 -04:00
committed by GitHub
parent 912925ee7d
commit b2be38b239
32 changed files with 2999 additions and 858 deletions
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src/main/java/io/github/dsheirer/gui/power/SignalPowerView.java Normal file
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/*
* *****************************************************************************
* Copyright (C) 2014-2025 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.gui.power;
import io.github.dsheirer.controller.channel.Channel;
import io.github.dsheirer.dsp.squelch.ISquelchConfiguration;
import io.github.dsheirer.gui.control.DbPowerMeter;
import io.github.dsheirer.module.ProcessingChain;
import io.github.dsheirer.playlist.PlaylistManager;
import io.github.dsheirer.source.SourceEvent;
import java.awt.EventQueue;
import java.text.DecimalFormat;
import jiconfont.icons.font_awesome.FontAwesome;
import jiconfont.swing.IconFontSwing;
import net.miginfocom.swing.MigLayout;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
/**
* Swing view for displaying signal power measurements with integrated squelch control.
*/
public class SignalPowerView extends JPanel
{
private static final DecimalFormat DECIMAL_FORMAT = new DecimalFormat("0.0");
private static final String NOT_AVAILABLE = "Not Available";
private final DbPowerMeter mPowerMeter = new DbPowerMeter();
private final PeakMonitor mPeakMonitor = new PeakMonitor(DbPowerMeter.DEFAULT_MINIMUM_POWER);
private final JLabel mPowerLabel;
private final JLabel mPeakLabel;
private final JLabel mSquelchLabel;
private final JLabel mSquelchValueLabel;
private final JButton mSquelchUpButton;
private final JButton mSquelchDownButton;
private final JCheckBox mSquelchAutoTrackCheckBox;
private double mSquelchThreshold;
private final PlaylistManager mPlaylistManager;
private ProcessingChain mProcessingChain;
public SignalPowerView(PlaylistManager playlistManager)
{
mPlaylistManager = playlistManager;
setLayout(new MigLayout("", "[][][][grow,fill]", "[grow,fill]"));
mPowerMeter.setPeakVisible(true);
mPowerMeter.setSquelchThresholdVisible(true);
add(mPowerMeter);
JPanel valuePanel = new JPanel();
valuePanel.setLayout(new MigLayout("", "[right][left][][]", ""));
mPeakLabel = new JLabel("0");
mPeakLabel.setToolTipText("Current peak power level in decibels.");
valuePanel.add(new JLabel("Peak:"));
valuePanel.add(mPeakLabel, "wrap");
mPowerLabel = new JLabel("0");
mPowerLabel.setToolTipText("Current Power level in decibels");
valuePanel.add(new JLabel("Power:"));
valuePanel.add(mPowerLabel, "wrap");
mSquelchLabel = new JLabel("Squelch:");
mSquelchLabel.setEnabled(false);
valuePanel.add(mSquelchLabel);
mSquelchValueLabel = new JLabel(NOT_AVAILABLE);
mSquelchValueLabel.setToolTipText("Squelch threshold value in decibels");
mSquelchValueLabel.setEnabled(false);
valuePanel.add(mSquelchValueLabel, "wrap");
IconFontSwing.register(FontAwesome.getIconFont());
Icon iconUp = IconFontSwing.buildIcon(FontAwesome.ANGLE_UP, 12);
mSquelchUpButton = new JButton(iconUp);
mSquelchUpButton.setToolTipText("Increases the squelch threshold value");
mSquelchUpButton.setEnabled(false);
mSquelchUpButton.addActionListener(e -> broadcast(SourceEvent.requestSquelchThreshold(null, mSquelchThreshold + 1)));
valuePanel.add(mSquelchUpButton);
Icon iconDown = IconFontSwing.buildIcon(FontAwesome.ANGLE_DOWN, 12);
mSquelchDownButton = new JButton(iconDown);
mSquelchDownButton.setToolTipText("Decreases the squelch threshold value.");
mSquelchDownButton.setEnabled(false);
mSquelchDownButton.addActionListener(e -> broadcast(SourceEvent.requestSquelchThreshold(null, mSquelchThreshold - 1)));
valuePanel.add(mSquelchDownButton, "wrap");
mSquelchAutoTrackCheckBox = new JCheckBox("Auto Track");
mSquelchAutoTrackCheckBox.setToolTipText("Enable or disable monitoring of the noise floor to auto-adjust the " +
"squelch threshold value maintaining a consistent level/buffer above the noise floor");
mSquelchAutoTrackCheckBox.setEnabled(false);
mSquelchAutoTrackCheckBox.addActionListener(e ->
{
broadcast(SourceEvent.requestSquelchAutoTrack(mSquelchAutoTrackCheckBox.isSelected()));
});
valuePanel.add(mSquelchAutoTrackCheckBox, "span,left");
add(valuePanel);
}
/**
* Updates the channel's decode configuration with a new squelch threshold value
*/
private void setConfigSquelchThreshold(int threshold)
{
if(mProcessingChain != null)
{
Channel channel = mPlaylistManager.getChannelProcessingManager().getChannel(mProcessingChain);
if(channel != null && channel.getDecodeConfiguration() instanceof ISquelchConfiguration configuration)
{
configuration.setSquelchThreshold(threshold);
mPlaylistManager.schedulePlaylistSave();
}
}
}
/**
* Updates the channel configuration squelch auto-track feature setting.
* @param autoTrack true to enable.
*/
private void setConfigSquelchAutoTrack(boolean autoTrack)
{
Channel channel = mPlaylistManager.getChannelProcessingManager().getChannel(mProcessingChain);
if(channel != null && channel.getDecodeConfiguration() instanceof ISquelchConfiguration configuration)
{
configuration.setSquelchAutoTrack(autoTrack);
mPlaylistManager.schedulePlaylistSave();
}
}
private void broadcast(SourceEvent sourceEvent)
{
if(mProcessingChain != null)
{
mProcessingChain.broadcast(sourceEvent);
}
}
/**
* Resets controls when changing processing chain source. Note: this must be called on the Swing
* dispatch thread because it directly invokes swing components.
*/
private void reset()
{
mPeakMonitor.reset();
mPowerMeter.reset();
mPeakLabel.setText("0");
mPowerLabel.setText("0");
mSquelchLabel.setEnabled(false);
mSquelchValueLabel.setText("Not Available");
mSquelchValueLabel.setEnabled(false);
mSquelchUpButton.setEnabled(false);
mSquelchDownButton.setEnabled(false);
mSquelchAutoTrackCheckBox.setEnabled(false);
mSquelchAutoTrackCheckBox.setSelected(false);
}
public void receive(SourceEvent sourceEvent)
{
switch(sourceEvent.getEvent())
{
case NOTIFICATION_CHANNEL_POWER ->
{
final double power = sourceEvent.getValue().doubleValue();
final double peak = mPeakMonitor.process(power);
EventQueue.invokeLater(() -> {
mPowerMeter.setPower(power);
mPowerLabel.setText(DECIMAL_FORMAT.format(power));
mPowerMeter.setPeak(peak);
mPeakLabel.setText(DECIMAL_FORMAT.format(peak));
});
}
case NOTIFICATION_SQUELCH_THRESHOLD ->
{
final double threshold = sourceEvent.getValue().doubleValue();
mSquelchThreshold = threshold;
setConfigSquelchThreshold((int)threshold);
EventQueue.invokeLater(() -> {
mPowerMeter.setSquelchThreshold(threshold);
mSquelchLabel.setEnabled(true);
mSquelchValueLabel.setEnabled(true);
mSquelchValueLabel.setText(DECIMAL_FORMAT.format(threshold));
mSquelchDownButton.setEnabled(true);
mSquelchUpButton.setEnabled(true);
});
}
case NOTIFICATION_SQUELCH_AUTO_TRACK ->
{
boolean autoTrack = sourceEvent.getValue().intValue() == 1;
setConfigSquelchAutoTrack(autoTrack);
EventQueue.invokeLater(() -> {
mSquelchAutoTrackCheckBox.setSelected(autoTrack);
mSquelchAutoTrackCheckBox.setEnabled(true);
});
}
}
}
/**
* Sets the processing chain for this view
*/
public void setProcessingChain(ProcessingChain processingChain)
{
mProcessingChain = processingChain;
reset();
}
}