gr-baz Package
fractional_interpolator_cc_impl.h
Go to the documentation of this file.
1 /* -*- c++ -*- */
2 /*
3  * Copyright 2004,2007,2012 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
9  * the Free Software Foundation; either version 3, or (at your option)
10  * any later version.
11  *
12  * GNU Radio is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
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
19  * the Free Software Foundation, Inc., 51 Franklin Street,
20  * Boston, MA 02110-1301, USA.
21  */
22 
23 #ifndef INCLUDED_FRACTIONAL_INTERPOLATOR_CC_IMPL_H
24 #define INCLUDED_FRACTIONAL_INTERPOLATOR_CC_IMPL_H
25 
28 
29 namespace gr {
30  namespace filter {
31 
34  {
35  private:
36  float d_mu;
37  float d_mu_inc;
38  mmse_fir_interpolator_cc *d_interp;
39 
40  public:
41  fractional_interpolator_cc_impl(float phase_shift,
42  float interp_ratio);
44 
45  void forecast(int noutput_items,
46  gr_vector_int &ninput_items_required);
47  int general_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  float mu() const;
53  float interp_ratio() const;
54  void set_mu(float mu);
55  void set_interp_ratio(float interp_ratio);
56  };
57 
58  } /* namespace filter */
59 } /* namespace gr */
60 
61 #endif /* INCLUDED_FRACTIONAL_INTERPOLATOR_CC_IMPL_H */