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/* -*- 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 2, 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _GRATSCBITTIMINGLOOP3_H_
#define _GRATSCBITTIMINGLOOP3_H_
#include <cstdio>
#include <VrDecimatingSigProc.h>
#include <atsci_diag_output.h>
#include <atsci_sssr.h>
#include <atsci_syminfo.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_
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