P25 - enhancement for LSM demod phase lock errors - adds new sync pattern detectors to detect Costas Loop phase lock errors and apply immediate correction to enable accurate symbol slicing.

src/bits/SoftSyncDetector.java

@@ -0,0 +1,38 @@
+package bits;
+
+public class SoftSyncDetector implements ISyncProcessor
+{
+	private ISyncDetectListener mListener;
+	private long mPattern;
+	private int mThreshold;
+	
+	public SoftSyncDetector( ISyncDetectListener listener, long pattern, int threshold )
+	{
+		this( pattern, threshold );
+		
+		mListener = listener;
+	}
+	
+	public SoftSyncDetector( long pattern, int threshold )
+	{
+		mPattern = pattern;
+		mThreshold = threshold;
+	}
+
+	@Override
+	public void checkSync( long value )
+	{
+		long difference = value ^ mPattern;
+		
+		if( ( difference == 0 || Long.bitCount( difference ) <= mThreshold ) &&
+			  mListener != null )
+		{
+			mListener.syncDetected();
+		}
+	}
+	
+	public void setListener( ISyncDetectListener listener )
+	{
+		mListener = listener;
+	}
+}