GNU Radio Manual and C++ API Reference 3.8.5.0
The Free & Open Software Radio Ecosystem
 
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fmdet_cf.h
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1/* -*- c++ -*- */
2/*
3 * Copyright 2008,2012 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_FMDET_CF_H
24#define INCLUDED_ANALOG_FMDET_CF_H
25
26#include <gnuradio/analog/api.h>
27#include <gnuradio/sync_block.h>
28
29namespace gr {
30namespace analog {
31
32/*!
33 * \brief Implements an IQ slope detector
34 * \ingroup modulators_blk
35 *
36 * \details
37 * input: stream of complex; output: stream of floats
38 *
39 * This implements a limiting slope detector. The limiter is in
40 * the normalization by the magnitude of the sample
41 */
42class ANALOG_API fmdet_cf : virtual public sync_block
43{
44public:
45 // gr::analog::fmdet_cf::sptr
46 typedef boost::shared_ptr<fmdet_cf> sptr;
47
48 /*!
49 * \brief Make FM detector block.
50 *
51 * \param samplerate sample rate of signal (is not used; to be removed)
52 * \param freq_low lowest frequency of signal (Hz)
53 * \param freq_high highest frequency of signal (Hz)
54 * \param scl scale factor
55 */
56 static sptr make(float samplerate, float freq_low, float freq_high, float scl);
57
58 virtual void set_scale(float scl) = 0;
59 virtual void set_freq_range(float freq_low, float freq_high) = 0;
60
61 virtual float freq() const = 0;
62 virtual float freq_high() const = 0;
63 virtual float freq_low() const = 0;
64 virtual float scale() const = 0;
65 virtual float bias() const = 0;
66};
67
68} /* namespace analog */
69} /* namespace gr */
70
71#endif /* INCLUDED_ANALOG_FMDET_CF_H */
Implements an IQ slope detector.
Definition fmdet_cf.h:43
virtual float bias() const =0
boost::shared_ptr< fmdet_cf > sptr
Definition fmdet_cf.h:46
static sptr make(float samplerate, float freq_low, float freq_high, float scl)
Make FM detector block.
virtual void set_scale(float scl)=0
virtual float scale() const =0
virtual float freq() const =0
virtual float freq_high() const =0
virtual void set_freq_range(float freq_low, float freq_high)=0
virtual float freq_low() const =0
synchronous 1:1 input to output with history
Definition sync_block.h:38
#define ANALOG_API
Definition gr-analog/include/gnuradio/analog/api.h:30
GNU Radio logging wrapper for log4cpp library (C++ port of log4j)
Definition basic_block.h:46