GNU Radio 3.6.4 C++ API
rms_ff.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)
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15  * GNU General Public License for more details.
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22 #ifndef INCLUDED_BLOCKS_RMS_FF_H
23 #define INCLUDED_BLOCKS_RMS_FF_H
24 
25 #include <blocks/api.h>
26 #include <gr_sync_block.h>
27 
28 namespace gr {
29  namespace blocks {
30 
31  /*!
32  * \brief RMS average power
33  * \ingroup math_blk
34  */
35  class BLOCKS_API rms_ff : virtual public gr_sync_block
36  {
37  public:
38  // gr::blocks::rms_ff::sptr
40 
41  /*!
42  * \brief Make an RMS calc. block.
43  * \param alpha gain for running average filter.
44  */
45  static sptr make(double alpha = 0.0001);
46 
47  virtual void set_alpha(double alpha) = 0;
48  };
49 
50  } /* namespace blocks */
51 } /* namespace gr */
52 
53 #endif /* INCLUDED_BLOCKS_RMS_FF_H */