GNU Radio 3.6.4.2 C++ API
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00001 /* 00002 * Copyright 2012-2013 Free Software Foundation, Inc. 00003 * 00004 * This file is part of GNU Radio 00005 * 00006 * GNU Radio is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation; either version 3, or (at your option) 00009 * any later version. 00010 * 00011 * GNU Radio is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with GNU Radio; see the file COPYING. If not, write to 00018 * the Free Software Foundation, Inc., 51 Franklin Street, 00019 * Boston, MA 02110-1301, USA. 00020 */ 00021 00022 #ifndef INCLUDED_GNURADIO_GR_SYNC_BLOCK_H 00023 #define INCLUDED_GNURADIO_GR_SYNC_BLOCK_H 00024 00025 #include <gr_block.h> 00026 00027 struct GR_CORE_API gr_sync_block : public gr_block 00028 { 00029 gr_sync_block(void); 00030 00031 gr_sync_block( 00032 const std::string &name, 00033 gr_io_signature_sptr input_signature, 00034 gr_io_signature_sptr output_signature 00035 ); 00036 00037 virtual ~gr_sync_block(void); 00038 00039 //! implements work -> calls work 00040 int general_work( 00041 int noutput_items, 00042 gr_vector_int &ninput_items, 00043 gr_vector_const_void_star &input_items, 00044 gr_vector_void_star &output_items 00045 ); 00046 00047 /*! 00048 * \brief just like gr_block::general_work, only this arranges to call consume_each for you 00049 * 00050 * The user must override work to define the signal processing code 00051 */ 00052 virtual int work( 00053 int noutput_items, 00054 gr_vector_const_void_star &input_items, 00055 gr_vector_void_star &output_items 00056 ); 00057 00058 }; 00059 00060 GRAS_FORCE_INLINE int gr_sync_block::general_work( 00061 int noutput_items, 00062 gr_vector_int &ninput_items, 00063 gr_vector_const_void_star &input_items, 00064 gr_vector_void_star &output_items 00065 ){ 00066 const int work_ret = this->work(noutput_items, input_items, output_items); 00067 if (work_ret > 0) 00068 { 00069 this->consume_each((decimation()*size_t(work_ret))/interpolation()); 00070 } 00071 return work_ret; 00072 } 00073 00074 #endif /*INCLUDED_GNURADIO_GR_SYNC_BLOCK_H*/