Converted frequency to long primitive type (from integer) in anticipation of HackRF support which requires frequencies greater than 2.147 GHz, which is the max hertz value that can be represented by an integer primitive.

src/decode/passport/PassportMessage.java

@@ -34,8 +34,6 @@ import decode.DecoderType;
 public class PassportMessage extends Message
 {
 	private static final String sUNKNOWN = "**UNKNOWN**";
-	private static final int sINT_NULL_VALUE = -1;
-	private static final double sDOUBLE_NULL_VALUE = -1.0D;
 	private SimpleDateFormat mSDF = new SimpleDateFormat( "yyyyMMdd HHmmss" );
 	private DecimalFormat mDecimalFormatter = new DecimalFormat("0.00000");
 	
@@ -189,7 +187,7 @@ public class PassportMessage extends Message
         return getInt( sLCN );
     }
 
-    public int getLCNFrequency()
+    public long getLCNFrequency()
     {
     	return getSiteFrequency( getLCN() );
     }
@@ -209,7 +207,7 @@ public class PassportMessage extends Message
         return PassportBand.lookup( getInt( sNEIGHBOR_BAND ) );
     }
 
-    public int getFrequency( int base, int channel )
+    public long getFrequency( int base, int channel )
     {
     	return ( base + ( channel * 12500 ) );
     }
@@ -219,7 +217,7 @@ public class PassportMessage extends Message
         return getInt( sFREE );
     }
     
-    public int getFreeFrequency()
+    public long getFreeFrequency()
     {
     	return getSiteFrequency( getFree() );
     }
@@ -229,18 +227,16 @@ public class PassportMessage extends Message
     	return mDecimalFormatter.format( (double)getFreeFrequency() / 1000000.0d );   
     }
     
-    public int getNeighborFrequency()
+    public long getNeighborFrequency()
     {
-    	int retVal = 0;
-    	
     	if( getMessageType() == MessageType.SY_IDLE )
     	{
     		PassportBand band = getNeighborBand();
     		
-    		retVal = getFrequency( band.getBase(), getFree() );
+    		return getFrequency( band.getBase(), getFree() );
     	}
     	
-    	return retVal;
+    	return 0;
     }
     
     /**
@@ -392,10 +388,8 @@ public class PassportMessage extends Message
 	    return null;
     }
 	
-	public int getSiteFrequency( int channel )
+	public long getSiteFrequency( int channel )
 	{
-		int freq = 0;
-		
 		if( mIdleMessage != null && 0 < channel && channel < 1792 )
 		{
 			PassportBand band = mIdleMessage.getSiteBand();
@@ -404,11 +398,11 @@ public class PassportMessage extends Message
 			{
 				int base = band.getBase();
 				
-				freq = getFrequency( base, channel );
+				return getFrequency( base, channel );
 			}
 		}
 
-		return freq;
+		return 0;
 	}
 
 	@Override