GNU Radio Manual and C++ API Reference  3.7.9.2
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goertzel_fc.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 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
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22 
23 #ifndef INCLUDED_FFT_GOERTZEL_FC_H
24 #define INCLUDED_FFT_GOERTZEL_FC_H
25 
26 #include <gnuradio/fft/api.h>
28 
29 namespace gr {
30  namespace fft {
31 
32  /*!
33  * \brief Goertzel single-bin DFT calculation.
34  * \ingroup fourier_analysis_blk
35  */
36  class FFT_API goertzel_fc : virtual public sync_decimator
37  {
38  public:
39 
40  // gr::fft::goertzel_fc::sptr
41  typedef boost::shared_ptr<goertzel_fc> sptr;
42 
43  static sptr make(int rate, int len, float freq);
44 
45  virtual void set_freq (float freq) = 0;
46 
47  virtual void set_rate (int rate) = 0;
48 
49  virtual float freq() = 0;
50 
51  virtual int rate() = 0;
52  };
53 
54  } /* namespace fft */
55 } /* namespace gr */
56 
57 #endif /* INCLUDED_FFT_GOERTZEL_FC_H */
#define FFT_API
Definition: gr-fft/include/gnuradio/fft/api.h:30
Include this header to use the message passing features.
Definition: logger.h:131
synchronous N:1 input to output with historyOverride work to provide the signal processing implementa...
Definition: sync_decimator.h:37
boost::shared_ptr< goertzel_fc > sptr
Definition: goertzel_fc.h:41
Goertzel single-bin DFT calculation.
Definition: goertzel_fc.h:36