/* -*- c++ -*- */ /* * Copyright 2005,2006,2012 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_GR_FRAMER_SINK_1_H #define INCLUDED_GR_FRAMER_SINK_1_H #include <gnuradio/digital/api.h> #include <gnuradio/sync_block.h> #include <gnuradio/msg_queue.h> namespace gr { namespace digital { /*! * \brief Given a stream of bits and access_code flags, assemble packets. * \ingroup packet_operators_blk * * \details * input: stream of bytes from digital_correlate_access_code_bb * output: none. Pushes assembled packet into target queue * * The framer expects a fixed length header of 2 16-bit shorts * containing the payload length, followed by the payload. If the * 2 16-bit shorts are not identical, this packet is * ignored. Better algs are welcome. * * The input data consists of bytes that have two bits used. Bit * 0, the LSB, contains the data bit. Bit 1 if set, indicates that * the corresponding bit is the the first bit of the packet. That * is, this bit is the first one after the access code. */ class DIGITAL_API framer_sink_1 : virtual public sync_block { public: // gr::digital::framer_sink_1::sptr typedef boost::shared_ptr<framer_sink_1> sptr; /*! * Make a framer_sink_1 block. * * \param target_queue The message queue where frames go. */ static sptr make(msg_queue::sptr target_queue); }; } /* namespace digital */ } /* namespace gr */ #endif /* INCLUDED_GR_FRAMER_SINK_1_H */