GNU Radio 3.6.5.1 C++ API
gr_bin_statistics_f.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_GR_BIN_STATISTICS_F_H
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#define INCLUDED_GR_BIN_STATISTICS_F_H
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#include <
gr_core_api.h
>
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#include <
gr_sync_block.h
>
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#include <
gr_feval.h
>
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#include <
gr_message.h
>
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#include <
gr_msg_queue.h
>
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class
gr_bin_statistics_f
;
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typedef
boost::shared_ptr<gr_bin_statistics_f>
gr_bin_statistics_f_sptr
;
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GR_CORE_API
gr_bin_statistics_f_sptr
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gr_make_bin_statistics_f
(
unsigned
int
vlen
,
// vector length
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gr_msg_queue_sptr
msgq
,
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gr_feval_dd
*tune,
// callback
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size_t
tune_delay,
// samples
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size_t
dwell_delay);
// samples
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/*!
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* \brief control scanning and record frequency domain statistics
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*/
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class
GR_CORE_API
gr_bin_statistics_f
:
public
gr_sync_block
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{
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friend
GR_CORE_API
gr_bin_statistics_f_sptr
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gr_make_bin_statistics_f
(
unsigned
int
vlen,
// vector length
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gr_msg_queue_sptr
msgq,
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gr_feval_dd
*tune,
// callback
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size_t
tune_delay,
// samples
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size_t
dwell_delay);
// samples
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enum
state_t { ST_INIT, ST_TUNE_DELAY, ST_DWELL_DELAY };
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size_t
d_vlen;
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gr_msg_queue_sptr
d_msgq;
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gr_feval_dd
*d_tune;
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size_t
d_tune_delay;
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size_t
d_dwell_delay;
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double
d_center_freq;
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state_t d_state;
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size_t
d_delay;
// nsamples remaining to state transition
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gr_bin_statistics_f
(
unsigned
int
vlen,
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gr_msg_queue_sptr
msgq,
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gr_feval_dd
*tune,
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size_t
tune_delay,
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size_t
dwell_delay);
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void
enter_init();
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void
enter_tune_delay();
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void
enter_dwell_delay();
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void
leave_dwell_delay();
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protected
:
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std::vector<float>
d_max
;
// per bin maxima
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size_t
vlen
()
const
{
return
d_vlen; }
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double
center_freq
()
const
{
return
d_center_freq; }
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gr_msg_queue_sptr
msgq
()
const
{
return
d_msgq; }
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virtual
void
reset_stats();
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virtual
void
accrue_stats(
const
float
*input);
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virtual
void
send_stats();
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public
:
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~
gr_bin_statistics_f
();
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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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};
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#endif
gnuradio-core
src
lib
general
gr_bin_statistics_f.h
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