GNU Radio v3.7.0-113-g523a53ac C++ API
simple_squelch_cc.h
Go to the documentation of this file.
1
/* -*- c++ -*- */
2
/*
3
* Copyright 2005,2012 Free Software Foundation, Inc.
4
*
5
* This file is part of GNU Radio
6
*
7
* GNU Radio is free software; you can redistribute it and/or modify
8
* it under the terms of the GNU General Public License as published by
9
* the Free Software Foundation; either version 3, or (at your option)
10
* any later version.
11
*
12
* GNU Radio is distributed in the hope that it will be useful,
13
* but WITHOUT ANY WARRANTY; without even the implied warranty of
14
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15
* GNU General Public License for more details.
16
*
17
* You should have received a copy of the GNU General Public License
18
* along with GNU Radio; see the file COPYING. If not, write to
19
* the Free Software Foundation, Inc., 51 Franklin Street,
20
* Boston, MA 02110-1301, USA.
21
*/
22
23
#ifndef INCLUDED_ANALOG_SIMPLE_SQUELCH_CC_H
24
#define INCLUDED_ANALOG_SIMPLE_SQUELCH_CC_H
25
26
#include <
gnuradio/analog/api.h
>
27
#include <
gnuradio/sync_block.h
>
28
29
namespace
gr {
30
namespace
analog {
31
32
/*!
33
* \brief simple squelch block based on average signal power and threshold in dB.
34
* \ingroup level_controllers_blk
35
*/
36
class
ANALOG_API
simple_squelch_cc
:
virtual
public
sync_block
37
{
38
public
:
39
// gr::analog::simple_squelch_cc::sptr
40
typedef
boost::shared_ptr<simple_squelch_cc>
sptr
;
41
42
/*!
43
* \brief Make a simple squelch block.
44
*
45
* \param threshold_db Threshold for muting.
46
* \param alpha Gain parameter for the running average filter.
47
*/
48
static
sptr
make(
double
threshold_db,
double
alpha);
49
50
virtual
bool
unmuted()
const
= 0;
51
52
virtual
void
set_alpha(
double
alpha) = 0;
53
virtual
void
set_threshold(
double
decibels) = 0;
54
55
virtual
double
threshold()
const
= 0;
56
virtual
std::vector<float> squelch_range()
const
= 0;
57
};
58
59
}
/* namespace analog */
60
}
/* namespace gr */
61
62
#endif
/* INCLUDED_ANALOG_SIMPLE_SQUELCH_CC_H */
gnuradio
gr-analog
include
gnuradio
analog
simple_squelch_cc.h
Generated by
1.8.1.1