Adds an AM Demodulator to the list of available decoders.

src/decode/am/AMChannelState.java

@@ -0,0 +1,69 @@
+/*******************************************************************************
+ *     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.am;
+
+import alias.AliasList;
+import audio.SquelchListener;
+import audio.SquelchListener.SquelchState;
+import controller.channel.ProcessingChain;
+import controller.state.AuxChannelState;
+import controller.state.ChannelState;
+
+/**
+ * Conventional channel state - this class doesn't do anything at the moment,
+ * it is a place holder for future expansion for the conventional decoder
+ */
+public class AMChannelState extends ChannelState
+{
+	public AMChannelState( ProcessingChain channel, AliasList aliasList )
+	{
+		super( channel, aliasList );
+	}
+	
+	/**
+	 * Make the ConventionalChannelState always unsquelched
+	 */
+	public void addListener( SquelchListener listener )
+	{
+		super.addListener( listener );
+		
+		super.setSquelchState( SquelchState.UNSQUELCH );
+	}
+	
+	@Override
+	public void setSquelchState( SquelchState state )
+	{
+		//do nothing ... we want the squelch state always unsquelched (for now)
+	}
+	@Override
+    public String getActivitySummary()
+    {
+		StringBuilder sb = new StringBuilder();
+		
+		sb.append( "Activity Summary\n" );
+		sb.append( "\tDecoder:\tAM\n\n" );
+		
+		for( AuxChannelState state: mAuxChannelStates )
+		{
+			sb.append( state.getActivitySummary() );
+			sb.append( "\n\n" );
+		}
+		
+		return sb.toString();
+    }
+}