Changed FrequencyChangeListener interface to an event so that I could describe what event was causing the frequency change and to broadcast frequency and sample rate error values.

R820T - added a couple more sample rate settings to the enum and modified the periodic sample rate info logger.

src/spectrum/ChannelSpectrumPanel.java

@@ -23,6 +23,8 @@ import settings.Setting;
 import settings.SettingChangeListener;
 import settings.SettingsManager;
 import source.Source.SampleType;
+import source.tuner.FrequencyChangeEvent;
+import source.tuner.FrequencyChangeEvent.Attribute;
 import spectrum.converter.DFTResultsConverter;
 import spectrum.converter.RealDecibelConverter;
 import spectrum.menu.AmplificationItem;
@@ -86,7 +88,8 @@ public class ChannelSpectrumPanel extends JPanel
     	mDecimatingSampleAssembler = new DecimatingSampleAssembler( mDFTProcessor );
     	
     	/* Set the DFTProcessor to the decimated 24kHz sample rate */
-    	mDFTProcessor.frequencyChanged( 0, 24000 );
+    	mDFTProcessor.frequencyChanged( 
+    			new FrequencyChangeEvent( Attribute.SAMPLE_RATE, 24000 ) );
     	
     	initGui();
     }

src/spectrum/DFTProcessor.java

@@ -33,6 +33,7 @@ import org.slf4j.LoggerFactory;
 import sample.Listener;
 import source.Source;
 import source.Source.SampleType;
+import source.tuner.FrequencyChangeEvent;
 import source.tuner.FrequencyChangeListener;
 import spectrum.converter.DFTResultsConverter;
 import dsp.filter.Window;
@@ -443,11 +444,19 @@ public class DFTProcessor implements Listener<Float[]>,
 	}
 	
 	@Override
-    public void frequencyChanged( long frequency, int bandwidth )
+    public void frequencyChanged( FrequencyChangeEvent event )
     {
-		mSampleRate = bandwidth;
-		
-		calculateConsumptionRate();
+		switch( event.getAttribute() )
+		{
+			case SAMPLE_RATE_ERROR:
+				break;
+			case SAMPLE_RATE:
+				mSampleRate = (int)event.getValue();
+				calculateConsumptionRate();
+				break;
+			default:
+				break;
+		}
     }
 	
 	/**

src/spectrum/OverlayPanel.java

@@ -36,6 +36,7 @@ import settings.ColorSetting;
 import settings.ColorSetting.ColorSettingName;
 import settings.Setting;
 import settings.SettingChangeListener;
+import source.tuner.FrequencyChangeEvent;
 import source.tuner.FrequencyChangeListener;
 import source.tuner.TunerChannel;
 import controller.ResourceManager;
@@ -523,10 +524,22 @@ public class OverlayPanel extends JPanel
      * Frequency change event handler
      */
 	@Override
-    public void frequencyChanged( long frequency, int bandwidth )
+    public void frequencyChanged( FrequencyChangeEvent event )
     {
-		mBandwidth = bandwidth;
-		mFrequency = frequency;
+		switch( event.getAttribute() )
+		{
+			case SAMPLE_RATE_ERROR:
+//				System.out.println( "OVerlay panel got a sample rate error update" );
+				break;
+			case SAMPLE_RATE:
+				mBandwidth = (int)event.getValue();
+				break;
+			case FREQUENCY:
+				mFrequency = (int)event.getValue();
+				break;
+			default:
+				break;
+		}
 		
 		/**
 		 * Reset the visible channel configs list

src/spectrum/SpectralDisplayPanel.java

@@ -55,9 +55,11 @@ import settings.SettingChangeListener;
 import settings.SettingsManager;
 import source.Source.SampleType;
 import source.SourceException;
+import source.tuner.FrequencyChangeEvent;
 import source.tuner.FrequencyChangeListener;
 import source.tuner.Tuner;
 import source.tuner.TunerSelectionListener;
+import source.tuner.FrequencyChangeEvent.Attribute;
 import spectrum.converter.ComplexDecibelConverter;
 import spectrum.converter.DFTResultsConverter;
 import spectrum.menu.AmplificationItem;
@@ -340,10 +342,10 @@ public class SpectralDisplayPanel extends JPanel
 	 * Receives frequency change events -- primarily from tuner components.
 	 */
 	@Override
-    public void frequencyChanged( long frequency, int bandwidth )
+    public void frequencyChanged( FrequencyChangeEvent event )
     {
-		mOverlayPanel.frequencyChanged( frequency, bandwidth );
-		mDFTProcessor.frequencyChanged( frequency, bandwidth );
+		mOverlayPanel.frequencyChanged( event );
+		mDFTProcessor.frequencyChanged( event );
     }
 
 	/**
@@ -381,11 +383,15 @@ public class SpectralDisplayPanel extends JPanel
 			//Register the dft processor to receive samples from the tuner
 			mTuner.addListener( (Listener<Float[]>)mDFTProcessor );
 			
-			//Fire a frequency change event so that everyone can init
+			//Fire frequency and sample rate change events so that everyone 
+			//can init
 			try
             {
-	            frequencyChanged( mTuner.getFrequency(), 
-	            				  mTuner.getSampleRate() );
+				frequencyChanged( new FrequencyChangeEvent( 
+						Attribute.FREQUENCY, mTuner.getFrequency() ) );
+				
+				frequencyChanged( new FrequencyChangeEvent( 
+						Attribute.SAMPLE_RATE, mTuner.getSampleRate() ) );
             }
             catch ( SourceException e )
             {