GNU Radio 3.6.5 C++ API
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00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2012 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_PACK_K_BITS_BB_H 00024 #define INCLUDED_GR_PACK_K_BITS_BB_H 00025 00026 #include <gr_core_api.h> 00027 #include <gr_sync_decimator.h> 00028 00029 class gr_pack_k_bits_bb; 00030 typedef boost::shared_ptr<gr_pack_k_bits_bb> gr_pack_k_bits_bb_sptr; 00031 GR_CORE_API gr_pack_k_bits_bb_sptr gr_make_pack_k_bits_bb (unsigned k); 00032 00033 class gr_pack_k_bits_bb; 00034 00035 /*! 00036 * \brief Converts a stream of bytes with 1 bit in the LSB to a byte with k relevent bits. 00037 */ 00038 class GR_CORE_API gr_pack_k_bits_bb : public gr_sync_decimator 00039 { 00040 private: 00041 friend GR_CORE_API gr_pack_k_bits_bb_sptr gr_make_pack_k_bits_bb (unsigned k); 00042 00043 gr_pack_k_bits_bb (unsigned k); 00044 00045 unsigned d_k; // number of relevent bits to pack from k input bytes 00046 00047 public: 00048 ~gr_pack_k_bits_bb (); 00049 00050 int work (int noutput_items, 00051 gr_vector_const_void_star &input_items, 00052 gr_vector_void_star &output_items); 00053 }; 00054 00055 #endif