/* * Copyright 2015 Free Software Foundation, Inc. * * This file is part of GNU Radio * * GNU Radio is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3, or (at your option) * any later version. * * GNU Radio is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GNU Radio; see the file COPYING. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, * Boston, MA 02110-1301, USA. */ #ifndef INCLUDED_DIGITAL_MODULATE_VECTOR_H #define INCLUDED_DIGITAL_MODULATE_VECTOR_H #include <gnuradio/digital/api.h> #include <gnuradio/types.h> namespace gr { namespace digital { /*! * \brief Modulate a vector of data and apply a shaping filter. * * \p modulator: Pointer to a byte-to-complex modulator block. * \p data: Vector of bytes to modulate into symbols. * \p taps: Post-modulation symbol shaping filter taps. * * \details * This function modulates the input vector and applies a * symbol shaping filter. It is intended for use with the * corr_est_cc block as the symbol stream to correlate * against. * * Any differential encoding or other data coding must be * performed on the input vector before this modulation * operation. * * Be aware that the format of the incoming data must match * the format the modulator block is expecting. GNURadio * modulator blocks are inconsistent in their data type * expectations. For instance, cpmmod_bc expects unpacked, * signed bytes in (-1, 1), while gmsk_mod expects packed, * unsigned bytes in (0, 1). In other words, the output of * gmsk_mod given the input vector [0xaa, 0x00] is equivalent * to the output of cpmmod_bc given the input vector * [1,255,1,255,1,255,1,255,255,255,255,255,255,255,255,255] * * Please check the documentation or source of the modulator * before using this function. * */ DIGITAL_API std::vector<gr_complex> modulate_vector_bc(basic_block_sptr modulator, std::vector<uint8_t> data, std::vector<float> taps); } /* namespace digital */ } /* namespace gr */ #endif /* INCLUDED_DIGITAL_MODULATE_VECTOR_H */