Updated spectral display to used dBm scale and removed baseline/amplification items.

Updated sample handling code to use -1.0 to 1.0 float values throughout, to support P25 decoder and symbol filter.

src/decode/config/DecodeConfigP25Phase1.java

@@ -0,0 +1,35 @@
+/*******************************************************************************
+ *     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/>
+ ******************************************************************************/
+package decode.config;
+
+import decode.DecoderType;
+
+public class DecodeConfigP25Phase1 extends DecodeConfiguration
+{
+	public DecodeConfigP25Phase1()
+    {
+	    super( DecoderType.P25_PHASE1 );
+	    
+	    setAFC( false );
+    }
+	
+    public boolean supportsAFC()
+    {
+        return false;
+    }
+}