GNU Radio 3.6.4.1 C++ API
ctcss_squelch_ff_impl.h
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/* -*- c++ -*- */
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/*
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* Copyright 2006,2012 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_CTCSS_SQUELCH_FF_IMPL_H
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#define INCLUDED_ANALOG_CTCSS_SQUELCH_FF_IMPL_H
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#include <
analog/ctcss_squelch_ff.h
>
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#include "
squelch_base_ff_impl.h
"
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#include <
fft/goertzel.h
>
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namespace
gr {
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namespace
analog {
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class
ctcss_squelch_ff_impl
:
public
ctcss_squelch_ff
,
squelch_base_ff_impl
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{
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private
:
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float
d_freq;
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float
d_level;
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int
d_len;
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bool
d_mute;
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fft::goertzel
d_goertzel_l;
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fft::goertzel
d_goertzel_c;
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fft::goertzel
d_goertzel_r;
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int
find_tone(
float
freq);
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protected
:
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virtual
void
update_state
(
const
float
&in);
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virtual
bool
mute
()
const
{
return
d_mute; }
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public
:
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ctcss_squelch_ff_impl
(
int
rate,
float
freq,
float
level
,
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int
len
,
int
ramp
,
bool
gate
);
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~ctcss_squelch_ff_impl
();
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std::vector<float>
squelch_range
()
const
;
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float
level
()
const
{
return
d_level; }
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void
set_level
(
float
level
) { d_level =
level
; }
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int
len
()
const
{
return
d_len; }
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int
ramp
()
const
{
return
squelch_base_ff_impl::ramp
(); }
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void
set_ramp
(
int
ramp
) {
squelch_base_ff_impl::set_ramp
(ramp); }
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bool
gate
()
const
{
return
squelch_base_ff_impl::gate
(); }
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void
set_gate
(
bool
gate
) {
squelch_base_ff_impl::set_gate
(gate); }
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bool
unmuted
()
const
{
return
squelch_base_ff_impl::unmuted
(); }
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int
general_work
(
int
noutput_items,
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gr_vector_int
&ninput_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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return
squelch_base_ff_impl::general_work
(noutput_items,
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ninput_items,
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input_items,
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output_items);
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}
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};
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}
/* namespace analog */
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}
/* namespace gr */
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#endif
/* INCLUDED_ANALOG_CTCSS_SQUELCH_FF_IMPL_H */
gnuradio
gr-analog
lib
ctcss_squelch_ff_impl.h
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