3 * Copyright 2004 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
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)
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.
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.
23 #ifndef INCLUDED_GR_QUADRATURE_DEMOD_CF_H
24 #define INCLUDED_GR_QUADRATURE_DEMOD_CF_H
26 #include <gr_sync_block.h>
28 class gr_quadrature_demod_cf;
29 typedef boost::shared_ptr<gr_quadrature_demod_cf> gr_quadrature_demod_cf_sptr;
30 gr_quadrature_demod_cf_sptr gr_make_quadrature_demod_cf (float gain);
33 * \brief quadrature demodulator: complex in, float out
36 * This can be used to demod FM, FSK, GMSK, etc.
37 * The input is complex baseband.
39 class gr_quadrature_demod_cf : public gr_sync_block
41 friend gr_quadrature_demod_cf_sptr gr_make_quadrature_demod_cf (float gain);
42 gr_quadrature_demod_cf (float gain);
48 int work (int noutput_items,
49 gr_vector_const_void_star &input_items,
50 gr_vector_void_star &output_items);
53 #endif /* INCLUDED_GR_QUADRATURE_DEMOD_CF_H */