GNU Radio 3.6.4.1 C++ API
gr_quadrature_demod_cf.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2004 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_GR_QUADRATURE_DEMOD_CF_H
24 #define INCLUDED_GR_QUADRATURE_DEMOD_CF_H
25 
26 #include <gr_core_api.h>
27 #include <gr_sync_block.h>
28 
32 
33 /*!
34  * \brief quadrature demodulator: complex in, float out
35  * \ingroup demodulation_blk
36  *
37  * This can be used to demod FM, FSK, GMSK, etc.
38  * The input is complex baseband.
39  */
41 {
43  gr_quadrature_demod_cf (float gain);
44 
45  float d_gain;
46 
47  public:
48  void set_gain(float gain) { d_gain = gain; }
49  float gain() const { return d_gain; }
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 #endif /* INCLUDED_GR_QUADRATURE_DEMOD_CF_H */