GNU Radio Manual and C++ API Reference  3.7.9.2
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probe_rate.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2005,2013 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,
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21  */
22 
23 #ifndef INCLUDED_BLOCKS_PROBE_RATE_H
24 #define INCLUDED_BLOCKS_PROBE_RATE_H
25 
26 #include <gnuradio/blocks/api.h>
27 #include <gnuradio/sync_block.h>
28 
29 namespace gr {
30  namespace blocks {
31 
32  /*!
33  * \brief throughput measurement
34  * \ingroup measurement_tools_blk
35  */
36  class BLOCKS_API probe_rate : virtual public sync_block
37  {
38  public:
39  // gr::blocks::probe_rate::sptr
40  typedef boost::shared_ptr<probe_rate> sptr;
41 
42  /*!
43  * \brief Make a throughput measurement block
44  * \param itemsize size of each stream item
45  * \param update_rate_ms minimum update time in milliseconds
46  * \param alpha gain for running average filter
47  */
48  static sptr make(size_t itemsize, double update_rate_ms = 500.0, double alpha = 0.0001);
49 
50  virtual void set_alpha(double alpha) = 0;
51 
52  virtual double rate() = 0;
53 
54  virtual bool start() = 0;
55  virtual bool stop() = 0;
56  };
57 
58  } /* namespace blocks */
59 } /* namespace gr */
60 
61 #endif /* INCLUDED_BLOCKS_PROBE_RATE_H */
boost::shared_ptr< probe_rate > sptr
Definition: probe_rate.h:40
throughput measurement
Definition: probe_rate.h:36
Include this header to use the message passing features.
Definition: logger.h:131
#define BLOCKS_API
Definition: gr-blocks/include/gnuradio/blocks/api.h:30
synchronous 1:1 input to output with historyOverride work to provide the signal processing implementa...
Definition: sync_block.h:37
BLOCKS_API size_t itemsize(vector_type type)