GNU Radio 3.6.3 C++ API
goertzel_fc_impl.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
8  * it under the terms of the GNU General Public License as published by
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10  * any later version.
11  *
12  * GNU Radio is distributed in the hope that it will be useful,
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14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
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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
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22 
23 #ifndef INCLUDED_FFT_GOERTZEL_FC_IMPL_H
24 #define INCLUDED_FFT_GOERTZEL_FC_IMPL_H
25 
26 #include <fft/goertzel_fc.h>
27 #include <fft/goertzel.h>
28 
29 namespace gr {
30  namespace fft {
31 
33  {
34  private:
35  goertzel d_goertzel;
36  int d_len;
37  float d_freq;
38  int d_rate;
39 
40  public:
41  goertzel_fc_impl(int rate, int len, float freq);
42 
44 
45  void set_freq(float freq);
46  void set_rate(int rate);
47 
48  float freq() { return d_freq; }
49  int rate() { return d_rate; }
50 
51  int work(int noutput_items,
52  gr_vector_const_void_star &input_items,
53  gr_vector_void_star &output_items);
54  };
55 
56  } /* namespace fft */
57 } /* namespace gr */
58 
59 #endif /* INCLUDED_FFT_GOERTZEL_FC_IMPL_H */
60