GNU Radio 3.7.0 C++ API
|
00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2005,2006,2011,2012 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_DIGITAL_CORRELATE_ACCESS_CODE_TAG_BB_H 00024 #define INCLUDED_DIGITAL_CORRELATE_ACCESS_CODE_TAG_BB_H 00025 00026 #include <gnuradio/digital/api.h> 00027 #include <gnuradio/sync_block.h> 00028 #include <string> 00029 00030 namespace gr { 00031 namespace digital { 00032 00033 /*! 00034 * \brief Examine input for specified access code, one bit at a time. 00035 * \ingroup packet_operators_blk 00036 * 00037 * \details 00038 * input: stream of bits, 1 bit per input byte (data in LSB) 00039 * output: unaltered stream of bits (plus tags) 00040 * 00041 * This block annotates the input stream with tags. The tags have 00042 * key name [tag_name], specified in the constructor. Used for 00043 * searching an input data stream for preambles, etc. 00044 */ 00045 class DIGITAL_API correlate_access_code_tag_bb : virtual public sync_block 00046 { 00047 public: 00048 // gr::digital::correlate_access_code_tag_bb::sptr 00049 typedef boost::shared_ptr<correlate_access_code_tag_bb> sptr; 00050 00051 /*! 00052 * \param access_code is represented with 1 byte per bit, 00053 * e.g., "010101010111000100" 00054 * \param threshold maximum number of bits that may be wrong 00055 * \param tag_name key of the tag inserted into the tag stream 00056 */ 00057 static sptr make(const std::string &access_code, 00058 int threshold, 00059 const std::string &tag_name); 00060 00061 /*! 00062 * \param access_code is represented with 1 byte per bit, 00063 * e.g., "010101010111000100" 00064 */ 00065 virtual bool set_access_code(const std::string &access_code) = 0; 00066 }; 00067 00068 } /* namespace digital */ 00069 } /* namespace gr */ 00070 00071 #endif /* INCLUDED_DIGITAL_CORRELATE_ACCESS_CODE_TAG_BB_H */