GNU Radio C++ API
gr_squelch_base_cc.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_SQUELCH_BASE_CC_H
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#define INCLUDED_GR_SQUELCH_BASE_CC_H
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#include <
gr_core_api.h
>
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#include <
gr_block.h
>
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class
GR_CORE_API
gr_squelch_base_cc
:
public
gr_block
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{
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private
:
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int
d_ramp;
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int
d_ramped;
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bool
d_gate;
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double
d_envelope;
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enum
{ ST_MUTED, ST_ATTACK, ST_UNMUTED, ST_DECAY } d_state;
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protected
:
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virtual
void
update_state
(
const
gr_complex
&sample) {};
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virtual
bool
mute
()
const
{
return
false
; };
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public
:
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gr_squelch_base_cc
(
const
char
*name,
int
ramp,
bool
gate);
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int
ramp
()
const
{
return
d_ramp; }
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void
set_ramp
(
int
ramp) { d_ramp = ramp; }
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bool
gate
()
const
{
return
d_gate; }
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void
set_gate
(
bool
gate) { d_gate = gate; }
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bool
unmuted
()
const
{
return
(d_state == ST_UNMUTED || d_state == ST_ATTACK); }
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virtual
std::vector<float> squelch_range()
const
= 0;
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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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#endif
/* INCLUDED_GR_SQUELCH_BASE_CC_H */
gnuradio-core
src
lib
general
gr_squelch_base_cc.h
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1.8.4