GNU Radio 3.6.5.1 C++ API
noaa_hrpt_pll_cf.h
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/* -*- c++ -*- */
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/*
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* Copyright 2009 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_NOAA_HRPT_PLL_CF_H
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#define INCLUDED_NOAA_HRPT_PLL_CF_H
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#include <
noaa_api.h
>
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#include <
gr_sync_block.h
>
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class
noaa_hrpt_pll_cf
;
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typedef
boost::shared_ptr<noaa_hrpt_pll_cf>
noaa_hrpt_pll_cf_sptr
;
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/*!
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* \brief NOAA HRPT PLL
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* \ingroup noaa_blk
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*/
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NOAA_API
noaa_hrpt_pll_cf_sptr
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noaa_make_hrpt_pll_cf
(
float
alpha,
float
beta,
float
max_offset);
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class
NOAA_API
noaa_hrpt_pll_cf
:
public
gr_sync_block
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{
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friend
NOAA_API
noaa_hrpt_pll_cf_sptr
noaa_make_hrpt_pll_cf
(
float
alpha,
float
beta,
float
max_offset);
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noaa_hrpt_pll_cf
(
float
alpha,
float
beta,
float
max_offset);
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float
d_alpha;
// 1st order loop constant
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float
d_beta;
// 2nd order loop constant
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float
d_max_offset;
// Maximum frequency offset, radians/sample
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float
d_phase;
// Instantaneous carrier phase
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float
d_freq;
// Instantaneous carrier frequency, radians/sample
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public
:
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virtual
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
set_alpha
(
float
alpha) { d_alpha = alpha; }
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void
set_beta
(
float
beta) { d_beta = beta; }
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void
set_max_offset
(
float
max_offset) { d_max_offset = max_offset; }
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};
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#endif
/* INCLUDED_NOAA_HRPT_PLL_CF_H */
gr-noaa
lib
noaa_hrpt_pll_cf.h
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