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ts_fft_cc_impl.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2014 Communications Engineering Lab, KIT.
4  *
5  * This is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 3, or (at your option)
8  * any later version.
9  *
10  * This software is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this software; see the file COPYING. If not, write to
17  * the Free Software Foundation, Inc., 51 Franklin Street,
18  * Boston, MA 02110-1301, USA.
19  */
20 
21 #ifndef INCLUDED_RADAR_TS_FFT_CC_IMPL_H
22 #define INCLUDED_RADAR_TS_FFT_CC_IMPL_H
23 
24 #include <radar/ts_fft_cc.h>
25 #include <fftw3.h>
26 
27 namespace gr {
28  namespace radar {
29 
30  class ts_fft_cc_impl : public ts_fft_cc
31  {
32  private:
33  // Nothing to declare in this block.
34 
35  protected:
36  int calculate_output_stream_length(const gr_vector_int &ninput_items);
37 
38  public:
39  ts_fft_cc_impl(int packet_len, const std::string& len_key);
41 
42  fftwf_plan d_fft_plan;
43  fftwf_complex* d_buffer;
45 
46  // Where all the action really happens
47  int work(int noutput_items,
48  gr_vector_int &ninput_items,
49  gr_vector_const_void_star &input_items,
50  gr_vector_void_star &output_items);
51  };
52 
53  } // namespace radar
54 } // namespace gr
55 
56 #endif /* INCLUDED_RADAR_TS_FFT_CC_IMPL_H */
57 
fftwf_plan d_fft_plan
Definition: ts_fft_cc_impl.h:42
int calculate_output_stream_length(const gr_vector_int &ninput_items)
int work(int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
Definition: ts_fft_cc_impl.h:30
ts_fft_cc_impl(int packet_len, const std::string &len_key)
fftwf_complex * d_buffer
Definition: ts_fft_cc_impl.h:43
int d_packet_len
Definition: ts_fft_cc_impl.h:44
This blocks takes a tagged stream and returns a FFT of the length of the input stream. The output is NOT normalized on the number of input items and no window is used.
Definition: ts_fft_cc.h:39