- added simple pattern matcher

git-svn-id: http://moon:8086/svn/software/trunk/projects/GnuRadio@428 b431acfa-c32f-4a4a-93f1-934dc6c82436

gr-jay/lib/bit_packer_impl.h

@@ -28,27 +28,30 @@ namespace gr {
 
     class bit_packer_impl : public bit_packer
     {
-     private:
+	private:
       // Nothing to declare in this block.
 	int m_inputCounter;
-	int m_outputCounter;
 	int m_numBitsIn;
 	int m_numBitsOut;
 	int m_endianess;
 	int m_output;
 	int m_gapCount;
-	
-     public:
-      bit_packer_impl(int numBitsIn, int numBitsOut, int endianess);
-      ~bit_packer_impl();
+	int m_patternMatchCount[2];
+	static const uint8_t m_pattern[2][18];
+	void patternMatchProcess(uint8_t byte);
+	void patternMatchReset();
+	void reset();
+	public:
+	bit_packer_impl(int numBitsIn, int numBitsOut, int endianess);
+	~bit_packer_impl();
 
-      // Where all the action really happens
-      void forecast (int noutput_items, gr_vector_int &ninput_items_required);
+	// Where all the action really happens
+	void forecast (int noutput_items, gr_vector_int &ninput_items_required);
 
-      int general_work(int noutput_items,
-           gr_vector_int &ninput_items,
-           gr_vector_const_void_star &input_items,
-           gr_vector_void_star &output_items);
+	int general_work(int noutput_items,
+		gr_vector_int &ninput_items,
+		gr_vector_const_void_star &input_items,
+		gr_vector_void_star &output_items);
     };
 
   } // namespace jay