GNU Radio 3.6.5.1 C++ API
fmdet_cf.h
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/* -*- c++ -*- */
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/*
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* Copyright 2008,2012 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_ANALOG_FMDET_CF_H
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#define INCLUDED_ANALOG_FMDET_CF_H
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#include <
analog/api.h
>
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#include <
gr_sync_block.h
>
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namespace
gr {
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namespace
analog {
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/*!
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* \brief Implements an IQ slope detector
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*
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* \details
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* input: stream of complex; output: stream of floats
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*
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* This implements a limiting slope detector. The limiter is in
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* the normalization by the magnitude of the sample
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*/
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class
ANALOG_API
fmdet_cf
:
virtual
public
gr_sync_block
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{
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public
:
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// gr::analog::fmdet_cf::sptr
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typedef
boost::shared_ptr<fmdet_cf>
sptr
;
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/*!
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* \brief Make FM detector block.
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*
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* \param samplerate sample rate of signal (is not used; to be removed)
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* \param freq_low lowest frequency of signal (Hz)
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* \param freq_high highest frequency of signal (Hz)
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* \param scl scale factor
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*/
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static
sptr
make(
float
samplerate,
float
freq_low,
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float
freq_high,
float
scl);
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virtual
void
set_scale(
float
scl) = 0;
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virtual
void
set_freq_range(
float
freq_low,
float
freq_high) = 0;
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virtual
float
freq()
const
= 0;
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virtual
float
freq_high()
const
= 0;
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virtual
float
freq_low()
const
= 0;
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virtual
float
scale()
const
= 0;
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virtual
float
bias()
const
= 0;
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};
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}
/* namespace analog */
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}
/* namespace gr */
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#endif
/* INCLUDED_ANALOG_FMDET_CF_H */
gr-analog
include
analog
fmdet_cf.h
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