GNU Radio v3.6.2-149-ga6d285d9 C++ API
|
00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2004,2012 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_SIMPLE_FRAMER_H 00024 #define INCLUDED_GR_SIMPLE_FRAMER_H 00025 00026 #include <digital_api.h> 00027 #include <gr_block.h> 00028 00029 class digital_simple_framer; 00030 typedef boost::shared_ptr<digital_simple_framer> digital_simple_framer_sptr; 00031 00032 DIGITAL_API digital_simple_framer_sptr digital_make_simple_framer(int payload_bytesize); 00033 00034 /*! 00035 * \brief add sync field, seq number and command field to payload 00036 * \ingroup sync_blk 00037 * 00038 * Takes in enough samples to create a full output frame. The frame is 00039 * prepended with the GRSF_SYNC (defind in 00040 * digital_simple_framer_sync.h) and an 8-bit sequence number. 00041 * 00042 * \param payload_bytesize The size of the payload in bytes. 00043 */ 00044 class DIGITAL_API digital_simple_framer : public gr_block 00045 { 00046 int d_seqno; 00047 int d_payload_bytesize; 00048 int d_input_block_size; // bytes 00049 int d_output_block_size; // bytes 00050 00051 friend DIGITAL_API digital_simple_framer_sptr 00052 digital_make_simple_framer(int payload_bytesize); 00053 digital_simple_framer(int payload_bytesize); 00054 00055 public: 00056 void forecast(int noutput_items, 00057 gr_vector_int &ninput_items_required); 00058 00059 int general_work(int noutput_items, 00060 gr_vector_int &ninput_items, 00061 gr_vector_const_void_star &input_items, 00062 gr_vector_void_star &output_items); 00063 }; 00064 00065 00066 #endif /* INCLUDED_GR_SIMPLE_FRAMER_H */