Add interface for protocol

codec2talkie/src/main/java/com/radio/codec2talkie/AudioProcessor.java

@@ -69,7 +69,7 @@ public class AudioProcessor extends Thread {
         _rxDataBuffer = new byte[RX_BUFFER_SIZE];
 
         _transport  = TransportFactory.create(transportType);
-        _protocol = new Kiss(_protocolCallback);
+        _protocol = new Kiss();
 
         constructCodec2(codec2Mode);
         constructSystemAudioDevices();
@@ -281,7 +281,7 @@ public class AudioProcessor extends Thread {
 
         try {
             sendStatusUpdate(PROCESSOR_LISTENING, 0);
-            _protocol.initialize();
+            _protocol.initialize(_protocolCallback);
 
             while (_isRunning)
                 if (!process())

codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Kiss.java

@@ -6,7 +6,7 @@ import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.util.Arrays;
 
-public class Kiss {
+public class Kiss implements Protocol {
 
     private static final String TAG = Kiss.class.getSimpleName();
 
@@ -47,24 +47,27 @@ public class Kiss {
     private final byte[] _outputKissBuffer;
     private final byte[] _inputKissBuffer;
 
-    private final Callback _callback;
+    private Callback _callback;
 
     private int _outputKissBufferPos;
     private int _inputKissBufferPos;
 
-    public Kiss(Callback callback) {
-        _callback = callback;
+    public Kiss() {
         _outputKissBuffer = new byte[KISS_TX_FRAME_MAX_SIZE];
         _inputKissBuffer = new byte[100 * KISS_TX_FRAME_MAX_SIZE];
+
         _tncCsmaPersistence = CSMA_PERSISTENCE;
         _tncCsmaSlotTime = CSMA_SLOT_TIME;
         _tncTxDelay = TX_DELAY_10MS_UNITS;
         _tncTxTail = TX_TAIL_10MS_UNITS;
+
         _outputKissBufferPos = 0;
         _inputKissBufferPos = 0;
     }
 
-    public void initialize() throws IOException {
+    public void initialize(Callback callback) throws IOException {
+        _callback = callback;
+
         startKissPacket(KISS_CMD_P);
         sendKissByte(_tncCsmaPersistence);
         completeKissPacket();

codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Protocol.java

@@ -0,0 +1,10 @@
+package com.radio.codec2talkie.protocol;
+
+import java.io.IOException;
+
+public interface Protocol {
+    void initialize(Callback callback) throws IOException;
+    void send(byte [] frame) throws IOException;
+    void receive(byte[] data);
+    void flush() throws IOException;
+}