1 files changed, 87 insertions, 0 deletions
diff --git a/gsmsp/gsm/src/lib/gsm_run_bb.h b/gsmsp/gsm/src/lib/gsm_run_bb.h
new file mode 100644
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--- /dev/null
+++ b/gsmsp/gsm/src/lib/gsm_run_bb.h
@@ -0,0 +1,87 @@
+/* -*- c++ -*- */
+#ifndef INCLUDED_GR_EXAMPLE_B_SQUARE_BB_H
+#define INCLUDED_GR_EXAMPLE_B_SQUARE_BB_H
+
+#include <gr_sync_block.h>
+
+class gsm_run_bb;
+
+/*
+ * We use boost::shared_ptr's instead of raw pointers for all access
+ * to gr_blocks (and many other data structures).  The shared_ptr gets
+ * us transparent reference counting, which greatly simplifies storage
+ * management issues.  This is especially helpful in our hybrid
+ * C++ / Python system.
+ *
+ * See http://www.boost.org/libs/smart_ptr/smart_ptr.htm
+ *
+ * As a convention, the _sptr suffix indicates a boost::shared_ptr
+ */
+typedef boost::shared_ptr<gsm_run_bb> gsm_run_bb_sptr;
+
+/*!
+ * \brief Return a shared_ptr to a new instance of howto_square2_ff.
+ *
+ * To avoid accidental use of raw pointers, howto_square2_ff's
+ * constructor is private.  howto_make_square2_ff is the public
+ * interface for creating new instances.
+ */
+gsm_run_bb_sptr gsm_make_run_bb ();
+
+enum TimeslotConfig { TS_CONFIG_UNKNOWN, TS_CONFIG_CCH, TS_CONFIG_SDCCH8 };
+struct timeslot_st
+{
+	unsigned char data[102][156];
+	unsigned char n_max_frames;
+	TimeslotConfig config;
+};
+
+/*!
+ * \brief square2 a stream of floats.
+ * \ingroup block
+ *
+ * This uses the preferred technique: subclassing gr_sync_block.
+ */
+class gsm_run_bb : public gr_sync_block
+{
+	private:
+		enum TMode { EModeFindFCCH, EModeFindSCH, EModeProcessSCH, EModeProcessL2 };
+  // The friend declaration allows howto_make_square2_ff to
+  // access the private constructor.
+
+  friend gsm_run_bb_sptr gsm_make_run_bb ();
+
+  gsm_run_bb ();  	// private constructor
+	int find_sch();
+	int process_sch();
+	int find_fch();
+	int handle_l2();
+	//int find_fch(const unsigned char *start, const unsigned char *end);
+	//int FillWorkingBuffer(const unsigned char *start, const unsigned char *end);
+	void ChangeSearchMode(TMode new_mode);
+ public:
+  ~gsm_run_bb ();	// public destructor
+
+   void forecast(int noutput_items, gr_vector_int &ninput_items_required);
+  // Where all the action really happens
+
+  int work (int noutput_items,
+	    gr_vector_const_void_star &input_items,
+	    gr_vector_void_star &output_items);
+	private:
+		int ts_n;
+		unsigned char syncbits_match[64];
+		int bits_processed;
+		int fcch_zero_count;
+		unsigned char *burst_ptr;
+//		unsigned char burst[156];
+		struct timeslot_st timeslots[8];
+		TMode mode;
+		//unsigned char mode;
+		const unsigned char *iStart, *iPtr, *iEnd;
+		unsigned char iFchLastBit;
+		unsigned char iPhase;
+		int iFN;
+};
+
+#endif /* INCLUDED_HOWTO_SQUARE2_FF_H */