GNU Radio 3.7.1-24 C++ API
goertzel_fc.h
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/* -*- c++ -*- */
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/*
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* Copyright 2006,2011,2012 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_FFT_GOERTZEL_FC_H
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#define INCLUDED_FFT_GOERTZEL_FC_H
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#include <
gnuradio/fft/api.h
>
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#include <
gnuradio/sync_decimator.h
>
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namespace
gr {
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namespace
fft {
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/*!
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* \brief Goertzel single-bin DFT calculation.
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* \ingroup fourier_analysis_blk
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*/
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class
FFT_API
goertzel_fc
:
virtual
public
sync_decimator
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{
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public
:
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// gr::fft::goertzel_fc::sptr
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typedef
boost::shared_ptr<goertzel_fc>
sptr
;
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static
sptr
make(
int
rate,
int
len,
float
freq);
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virtual
void
set_freq (
float
freq) = 0;
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virtual
void
set_rate (
int
rate) = 0;
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virtual
float
freq() = 0;
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virtual
int
rate() = 0;
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};
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}
/* namespace fft */
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}
/* namespace gr */
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#endif
/* INCLUDED_FFT_GOERTZEL_FC_H */
gnuradio
gr-fft
include
gnuradio
fft
goertzel_fc.h
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