GNU Radio 3.6.4 C++ API
atsc_fpll.h
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/* -*- c++ -*- */
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/*
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* Copyright 2006 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_ATSC_FPLL_H
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#define INCLUDED_ATSC_FPLL_H
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#include <
atsc_api.h
>
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#include <
gr_sync_block.h
>
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#include <
gr_nco.h
>
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#include <
gr_single_pole_iir.h
>
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#include <
gri_agc_ff.h
>
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#include <stdio.h>
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#include <
atsci_diag_output.h
>
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class
atsc_fpll
;
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typedef
boost::shared_ptr<atsc_fpll>
atsc_fpll_sptr
;
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ATSC_API
atsc_fpll_sptr
atsc_make_fpll
();
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/*!
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* \brief ATSC FPLL (2nd Version)
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* \ingroup atsc
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*
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* A/D --> GrFIRfilterFFF ----> GrAtscFPLL ---->
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*
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* We use GrFIRfilterFFF to bandpass filter the signal of interest.
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*
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* This class accepts a single real input and produces a single real output
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*/
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class
ATSC_API
atsc_fpll
:
public
gr_sync_block
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{
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friend
ATSC_API
atsc_fpll_sptr
atsc_make_fpll
();
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atsc_fpll
();
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public
:
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int
work
(
int
noutput_items,
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gr_vector_const_void_star
&input_items,
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gr_vector_void_star
&output_items);
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void
reset
() {
/* nop */
}
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void
initialize () ;
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protected
:
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double
initial_freq
;
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double
initial_phase
;
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bool
debug_no_update;
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gr_nco<float,float>
nco
;
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gri_agc_ff
agc
;
// automatic gain control
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gr_single_pole_iir<float,float,float>
afci
;
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gr_single_pole_iir<float,float,float>
afcq
;
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};
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#endif
/* INCLUDED_ATSC_FPLL_H */
gnuradio
gr-atsc
src
lib
atsc_fpll.h
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