GNU Radio 3.4.0 C++ API
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00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2004 Free Software Foundation, Inc. 00004 * 00005 * This file is part of GNU Radio 00006 * 00007 * GNU Radio is free software; you can redistribute it and/or modify 00008 * it under the terms of the GNU General Public License as published by 00009 * the Free Software Foundation; either version 3, or (at your option) 00010 * any later version. 00011 * 00012 * GNU Radio is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with GNU Radio; see the file COPYING. If not, write to 00019 * the Free Software Foundation, Inc., 51 Franklin Street, 00020 * Boston, MA 02110-1301, USA. 00021 */ 00022 00023 #ifndef INCLUDED_GR_QUADRATURE_DEMOD_CF_H 00024 #define INCLUDED_GR_QUADRATURE_DEMOD_CF_H 00025 00026 #include <gr_sync_block.h> 00027 00028 class gr_quadrature_demod_cf; 00029 typedef boost::shared_ptr<gr_quadrature_demod_cf> gr_quadrature_demod_cf_sptr; 00030 gr_quadrature_demod_cf_sptr gr_make_quadrature_demod_cf (float gain); 00031 00032 /*! 00033 * \brief quadrature demodulator: complex in, float out 00034 * \ingroup demodulation_blk 00035 * 00036 * This can be used to demod FM, FSK, GMSK, etc. 00037 * The input is complex baseband. 00038 */ 00039 class gr_quadrature_demod_cf : public gr_sync_block 00040 { 00041 friend gr_quadrature_demod_cf_sptr gr_make_quadrature_demod_cf (float gain); 00042 gr_quadrature_demod_cf (float gain); 00043 00044 float d_gain; 00045 00046 public: 00047 00048 int work (int noutput_items, 00049 gr_vector_const_void_star &input_items, 00050 gr_vector_void_star &output_items); 00051 }; 00052 00053 #endif /* INCLUDED_GR_QUADRATURE_DEMOD_CF_H */