1 files changed, 72 insertions, 0 deletions
diff --git a/gr-atsc/include/atsc/GrAtscBitTimingLoop3.h b/gr-atsc/include/atsc/GrAtscBitTimingLoop3.h
new file mode 100644
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+++ b/gr-atsc/include/atsc/GrAtscBitTimingLoop3.h
@@ -0,0 +1,72 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2002 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio 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, or (at your option)
+ * any later version.
+ *
+ * GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef _GRATSCBITTIMINGLOOP3_H_
+#define _GRATSCBITTIMINGLOOP3_H_
+
+#include <cstdio>
+#include <VrDecimatingSigProc.h>
+#include <atsc/diag_output_impl.h>
+#include <atsc/sssr_impl.h>
+#include <atsc/syminfo_impl.h>
+
+/*!
+ * \brief ATSC BitTimingLoop3
+ *
+ * This class accepts a single real input and produces two outputs,
+ *  the raw symbol (float) and the tag (atsc_syminfo)
+ */
+
+class GrAtscBitTimingLoop3 : public VrDecimatingSigProc<float,float> {
+
+ public:
+
+  GrAtscBitTimingLoop3 (double ratio_of_rx_clock_to_symbol_freq);
+  virtual ~GrAtscBitTimingLoop3 () { };
+
+  virtual const char *name () { return "GrAtscBitTimingLoop3"; }
+
+  virtual int forecast (VrSampleRange output,
+			VrSampleRange inputs[]);
+
+  virtual int work (VrSampleRange output, void *o[],
+		    VrSampleRange inputs[], void *i[]);
+
+  // debug (NOPs)
+  void set_mu (double a_mu) {  }
+  void set_no_update (bool a_no_update) {  }
+  void set_loop_filter_tap (double tap)  { }
+  void set_timing_rate (double rate)     { }
+
+ protected:
+
+  typedef float 	iType;
+  typedef float 	oDataType;
+  typedef atsc::syminfo	oTagType;
+
+  atsci_sssr			d_sssr;
+  atsci_interpolator		d_interp;
+  VrSampleIndex			d_next_input;
+  double 			d_rx_clock_to_symbol_freq;
+};
+
+#endif // _GRATSCBITTIMINGLOOP3_H_