diff options
Diffstat (limited to 'gr-atsc/include/gnuradio/atsc/GrAtscBitTimingLoop2.h')
-rw-r--r-- | gr-atsc/include/gnuradio/atsc/GrAtscBitTimingLoop2.h | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/gr-atsc/include/gnuradio/atsc/GrAtscBitTimingLoop2.h b/gr-atsc/include/gnuradio/atsc/GrAtscBitTimingLoop2.h deleted file mode 100644 index 7acdbb6140..0000000000 --- a/gr-atsc/include/gnuradio/atsc/GrAtscBitTimingLoop2.h +++ /dev/null @@ -1,80 +0,0 @@ -/* -*- 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 _GRATSCBITTIMINGLOOP2_H_ -#define _GRATSCBITTIMINGLOOP2_H_ - -#include <gnuradio/blocks/nco.h> -#include <VrSigProc.h> -#include <VrHistoryProc.h> -#include <VrDecimatingSigProc.h> -#include <gnuradio/atsc/interleaver_fifo.h> -#include <filtersingle_pole_iir.h> -#include <gnuradio/filter/mmse_fir_interpolator.h> - -/*! - * \brief ATSC BitTimingLoop - * - * This class accepts a single real input and produces a single real output - */ - -class GrAtscBitTimingLoop2 : public VrDecimatingSigProc<float,float> { - - public: - - GrAtscBitTimingLoop2 (); - virtual ~GrAtscBitTimingLoop2 () { }; - - virtual const char *name () { return "GrAtscBitTimingLoop2"; } - - virtual int forecast (VrSampleRange output, - VrSampleRange inputs[]); - - virtual int work (VrSampleRange output, void *o[], - VrSampleRange inputs[], void *i[]); - - // debug - void set_mu (float a_mu) { - assert (0 <= a_mu && a_mu <= 1.9); - use_right_p = a_mu < 1.0; - mu = a_mu - floor (a_mu); - cerr << "BTL2: mu: " << mu << " use_right_p: " << use_right_p << endl; - } - - protected: - - typedef float iType; - typedef float oType; - - iType produce_sample (const iType *in, unsigned int &index); - float filter_error (float e); - - VrSampleIndex next_input; - gr_single_pole_iir<float,float,float> dc; // used to estimate DC component - gr_mmse_fir_interpolator intr; - float mu; // fractional delay - iType last_right; // last right hand sample - - bool use_right_p; // ...else middle -}; - -#endif // _GRATSCBITTIMINGLOOP2_H_ |