GNU Radio 3.6.5 C++ API
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00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2008,2012 Free Software Foundation, Inc. 00004 * 00005 * GNU Radio is free software; you can redistribute it and/or modify 00006 * it under the terms of the GNU General Public License as published by 00007 * the Free Software Foundation; either version 3, or (at your option) 00008 * any later version. 00009 * 00010 * GNU Radio is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 * GNU General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU General Public License 00016 * along with GNU Radio; see the file COPYING. If not, write to 00017 * the Free Software Foundation, Inc., 51 Franklin Street, 00018 * Boston, MA 02110-1301, USA. 00019 */ 00020 00021 #ifndef INCLUDED_ANALOG_CPFSK_BC_H 00022 #define INCLUDED_ANALOG_CPFSK_BC_H 00023 00024 #include <analog/api.h> 00025 #include <gr_sync_interpolator.h> 00026 00027 namespace gr { 00028 namespace analog { 00029 00030 /*! 00031 * \brief Perform continuous phase 2-level frequency shift keying modulation 00032 * on an input stream of unpacked bits. 00033 * \ingroup modulators_blk 00034 */ 00035 class ANALOG_API cpfsk_bc : virtual public gr_sync_interpolator 00036 { 00037 public: 00038 // gr::analog::cpfsk_bc::sptr 00039 typedef boost::shared_ptr<cpfsk_bc> sptr; 00040 00041 /*! 00042 * \brief Make a CPFSK block. 00043 * 00044 * \param k modulation index 00045 * \param ampl output amplitude 00046 * \param samples_per_sym number of output samples per input bit 00047 */ 00048 static sptr make(float k, float ampl, int samples_per_sym); 00049 00050 virtual void set_amplitude(float amplitude) = 0; 00051 virtual float amplitude() = 0; 00052 virtual float freq() = 0; 00053 virtual float phase() = 0; 00054 }; 00055 00056 } /* namespace analog */ 00057 } /* namespace gr */ 00058 00059 #endif /* INCLUDED_ANALOG_CPFSK_BC_H */