GNU Radio 3.6.4.2 C++ API
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00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2005,2013 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 #ifndef INCLUDED_BLOCKS_RMS_FF_H 00023 #define INCLUDED_BLOCKS_RMS_FF_H 00024 00025 #include <blocks/api.h> 00026 #include <gr_sync_block.h> 00027 00028 namespace gr { 00029 namespace blocks { 00030 00031 /*! 00032 * \brief RMS average power 00033 * \ingroup math_blk 00034 */ 00035 class BLOCKS_API rms_ff : virtual public gr_sync_block 00036 { 00037 public: 00038 // gr::blocks::rms_ff::sptr 00039 typedef boost::shared_ptr<rms_ff> sptr; 00040 00041 /*! 00042 * \brief Make an RMS calc. block. 00043 * \param alpha gain for running average filter. 00044 */ 00045 static sptr make(double alpha = 0.0001); 00046 00047 virtual void set_alpha(double alpha) = 0; 00048 }; 00049 00050 } /* namespace blocks */ 00051 } /* namespace gr */ 00052 00053 #endif /* INCLUDED_BLOCKS_RMS_FF_H */