Added configuration for controlling echo output on received APRS packets

lib/peak/config_loader.rb

@@ -99,11 +99,16 @@ module Peak
                     end
                     tnc_port = port_section['tnc_port']
                     
-                    port_map[port_name] = TncPort.new(kiss_tnc, port_name, port_identifier, port_net, true, tnc_port)
+                    unless config_lookup_enforce(port_section, 'echo')
+                        return nil
+                    end
+                    echo_state = port_section['echo']
+                    
+                    port_map[port_name] = TncPort.new(kiss_tnc, port_name, port_identifier, port_net, echo_state, tnc_port)
                 end
             end
         end
         
         return port_map
     end
-end
\ No newline at end of file
+end

lib/peak/tnc_port.rb

@@ -3,7 +3,7 @@ require 'peak/echo'
 module Peak
     class TncPort
         protected
-        def initialize(data_stream, name, identifier, net, echo_frames=false, port=0)
+        def initialize(data_stream, name, identifier, net, echo_frames = 'none', port=0)
             @data_stream = data_stream
             @port = port
             @name = name
@@ -25,7 +25,7 @@ module Peak
         public
         def read(*args, **kwargs)
             read_frame = @data_stream.read(*args, **kwargs)
-            if @echo_frames and read_frame
+            if (@echo_frames == 'all' or @echo_frames == 'in') and read_frame
                 Peak::echo_color_frame(read_frame, @name, true)
             end
             return read_frame
@@ -34,11 +34,11 @@ module Peak
         public
         def write(frame, *args, **kwargs)
             @data_stream.write(frame, @port, *args, **kwargs)
-            if @echo_frames and frame
+            if (@echo_frames == 'all' or @echo_frames == 'out') and frame
                 Peak::echo_color_frame(frame, @name, false)
             end
         end
 
         attr_reader :name, :net, :port, :identifier
     end
-end
\ No newline at end of file
+end