GNU Radio's GSM Package
controlled_fractional_resampler_cc_impl.h
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1 /* -*- c++ -*- */
2 /* @file
3  * @author (C) 2016 by Piotr Krysik <ptrkrysik@gmail.com>
4  * @section LICENSE
5  *
6  * Gr-gsm is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 3, or (at your option)
9  * any later version.
10  *
11  * Gr-gsm is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with gr-gsm; see the file COPYING. If not, write to
18  * the Free Software Foundation, Inc., 51 Franklin Street,
19  * Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #ifndef INCLUDED_GRGSM_CONTROLLED_FRACTIONAL_RESAMPLER_CC_IMPL_H
24 #define INCLUDED_GRGSM_CONTROLLED_FRACTIONAL_RESAMPLER_CC_IMPL_H
25 
27 #include <gnuradio/filter/mmse_fir_interpolator_cc.h>
28 
29 using namespace gr::filter;
30 
31 namespace gr {
32  namespace gsm {
33 
35  {
36  private:
37  float d_mu;
38  float d_mu_inc;
39  mmse_fir_interpolator_cc *d_resamp;
40 
41  inline uint64_t resample(const gr_complex *in,
42  uint64_t first_in_sample,
43  gr_complex *out,
44  uint64_t first_out_sample,
45  uint64_t samples_to_produce);
46 
47  public:
49  float resamp_ratio);
51 
52  void forecast(int noutput_items,
53  gr_vector_int &ninput_items_required);
54 
55  int general_work(int noutput_items,
56  gr_vector_int &ninput_items,
57  gr_vector_const_void_star &input_items,
58  gr_vector_void_star &output_items);
59 
60 
61  float mu() const;
62  float resamp_ratio() const;
63  void set_mu(float mu);
64  void set_resamp_ratio(float resamp_ratio);
65  };
66 
67  } // namespace gsm
68 } // namespace gr
69 
70 #endif /* INCLUDED_GRGSM_CONTROLLED_FRACTIONAL_RESAMPLER_CC_IMPL_H */
71 
gr::gsm::controlled_fractional_resampler_cc
<+description of block+>
Definition: controlled_fractional_resampler_cc.h:39
controlled_fractional_resampler_cc.h
gr::gsm::controlled_fractional_resampler_cc_impl
Definition: controlled_fractional_resampler_cc_impl.h:34
gr
Definition: constants.h:29