GNU Radio 3.7.0 C++ API
feedforward_agc_cc.h
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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2006,2012 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_ANALOG_FEEDFORWARD_AGC_CC_H
00024 #define INCLUDED_ANALOG_FEEDFORWARD_AGC_CC_H
00025 
00026 #include <gnuradio/analog/api.h>
00027 #include <gnuradio/sync_block.h>
00028 
00029 namespace gr {
00030   namespace analog {
00031 
00032     /*!
00033      * \brief Non-causal AGC which computes required gain based on max
00034      * absolute value over nsamples
00035      * \ingroup level_controllers_blk
00036      */
00037     class ANALOG_API feedforward_agc_cc : virtual public sync_block
00038     {
00039     public:
00040       // gr::analog::feedforward_agc_cc::sptr
00041       typedef boost::shared_ptr<feedforward_agc_cc> sptr;
00042 
00043       /*!
00044        * Build a complex valued feed-forward AGC loop block.
00045        *
00046        * \param nsamples number of samples to look ahead.
00047        * \param reference reference value to adjust signal power to.
00048        */
00049       static sptr make(int nsamples, float reference);
00050     };
00051     
00052   } /* namespace analog */
00053 } /* namespace gr */
00054 
00055 #endif /* INCLUDED_GR_FEEDFORWARD_AGC_CC_H */