GNU Radio 3.7.2git-79-g931a7b07 C++ API
probe_density_b.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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* 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_GR_PROBE_DENSITY_B_H
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#define INCLUDED_GR_PROBE_DENSITY_B_H
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#include <
gnuradio/digital/api.h
>
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#include <
gnuradio/sync_block.h
>
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namespace
gr {
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namespace
digital {
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/*!
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* \ingroup measurement_tools_blk
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*
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* This block maintains a running average of the input stream and
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* makes it available as an accessor function. The input stream is
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* type unsigned char.
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*
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* If you send this block a stream of unpacked bytes, it will tell
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* you what the bit density is.
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*/
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class
DIGITAL_API
probe_density_b
:
virtual
public
sync_block
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{
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public
:
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// gr::digital::probe_density_b::sptr
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typedef
boost::shared_ptr<probe_density_b>
sptr
;
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/*!
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* Make a density probe block.
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*
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* \param alpha Average filter constant
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*
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*/
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static
sptr
make(
double
alpha);
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/*!
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* \brief Returns the current density value
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*/
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virtual
double
density()
const
= 0;
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/*!
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* \brief Set the average filter constant
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*/
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virtual
void
set_alpha(
double
alpha) = 0;
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};
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}
/* namespace digital */
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}
/* namespace gr */
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#endif
/* INCLUDED_GR_PROBE_DENSITY_B_H */
gnuradio
gr-digital
include
gnuradio
digital
probe_density_b.h
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