GNU Radio Manual and C++ API Reference  3.7.9.2
The Free & Open Software Radio Ecosystem
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Modules Pages
pll_carriertracking_cc.h
Go to the documentation of this file.
1 /* -*- c++ -*- */
2 /*
3  * Copyright 2004,2006,2011,2012 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_PLL_CARRIERTRACKING_CC_H
24 #define INCLUDED_ANALOG_PLL_CARRIERTRACKING_CC_H
25 
26 #include <gnuradio/analog/api.h>
28 #include <gnuradio/sync_block.h>
29 
30 namespace gr {
31  namespace analog {
32 
33  /*!
34  * \brief Implements a PLL which locks to the input frequency and outputs the
35  * input signal mixed with that carrier.
36  * \ingroup synchronizers_blk
37  *
38  * \details
39  * Input stream 0: complex
40  * Output stream 0: complex
41  *
42  * This PLL locks onto a [possibly noisy] reference carrier on the
43  * input and outputs that signal, downconverted to DC
44  *
45  * All settings max_freq and min_freq are in terms of radians per
46  * sample, NOT HERTZ. The loop bandwidth determins the lock range
47  * and should be set around pi/200 -- 2pi/100. \sa
48  * pll_freqdet_cf, pll_carriertracking_cc
49  */
51  : virtual public sync_block,
52  virtual public blocks::control_loop
53  {
54  public:
55  // gr::analog::pll_carriertracking_cc::sptr
56  typedef boost::shared_ptr<pll_carriertracking_cc> sptr;
57 
58  /* \brief Make a carrier tracking PLL block.
59  *
60  * \param loop_bw: control loop's bandwidth parameter.
61  * \param max_freq: maximum (normalized) frequency PLL will lock to.
62  * \param min_freq: minimum (normalized) frequency PLL will lock to.
63  */
64  static sptr make(float loop_bw, float max_freq, float min_freq);
65 
66  virtual bool lock_detector(void) = 0;
67  virtual bool squelch_enable(bool) = 0;
68  virtual float set_lock_threshold(float) = 0;
69 
70  virtual void set_loop_bandwidth(float bw) = 0;
71  virtual void set_damping_factor(float df) = 0;
72  virtual void set_alpha(float alpha) = 0;
73  virtual void set_beta(float beta) = 0;
74  virtual void set_frequency(float freq) = 0;
75  virtual void set_phase(float phase) = 0;
76  virtual void set_min_freq(float freq) = 0;
77  virtual void set_max_freq(float freq) = 0;
78 
79  virtual float get_loop_bandwidth() const = 0;
80  virtual float get_damping_factor() const = 0;
81  virtual float get_alpha() const = 0;
82  virtual float get_beta() const = 0;
83  virtual float get_frequency() const = 0;
84  virtual float get_phase() const = 0;
85  virtual float get_min_freq() const = 0;
86  virtual float get_max_freq() const = 0;
87  };
88 
89  } /* namespace analog */
90 } /* namespace gr */
91 
92 #endif /* INCLUDED_ANALOG_PLL_CARRIERTRACKING_CC_H */
boost::shared_ptr< pll_carriertracking_cc > sptr
Definition: pll_carriertracking_cc.h:56
Include this header to use the message passing features.
Definition: logger.h:131
synchronous 1:1 input to output with historyOverride work to provide the signal processing implementa...
Definition: sync_block.h:37
Implements a PLL which locks to the input frequency and outputs the input signal mixed with that carr...
Definition: pll_carriertracking_cc.h:50
#define ANALOG_API
Definition: gr-analog/include/gnuradio/analog/api.h:30
A second-order control loop implementation class.
Definition: control_loop.h:61