GNU Radio 3.7.1 C++ API
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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_AGC2_CC_H 00024 #define INCLUDED_ANALOG_AGC2_CC_H 00025 00026 #include <gnuradio/analog/api.h> 00027 #include <gnuradio/analog/agc2.h> 00028 #include <gnuradio/sync_block.h> 00029 00030 namespace gr { 00031 namespace analog { 00032 00033 /*! 00034 * \brief high performance Automatic Gain Control class with 00035 * attack and decay rates. 00036 * \ingroup level_controllers_blk 00037 * 00038 * \details 00039 * For Power the absolute value of the complex number is used. 00040 */ 00041 class ANALOG_API agc2_cc : virtual public sync_block 00042 { 00043 public: 00044 // gr::analog::agc2_cc::sptr 00045 typedef boost::shared_ptr<agc2_cc> sptr; 00046 00047 /*! 00048 * Build a complex value AGC loop block with attack and decay rates. 00049 * 00050 * \param attack_rate the update rate of the loop when in attack mode. 00051 * \param decay_rate the update rate of the loop when in decay mode. 00052 * \param reference reference value to adjust signal power to. 00053 * \param gain initial gain value. 00054 */ 00055 static sptr make(float attack_rate = 1e-1, float decay_rate = 1e-2, 00056 float reference = 1.0, float gain = 1.0); 00057 00058 virtual float attack_rate() const = 0; 00059 virtual float decay_rate() const = 0; 00060 virtual float reference() const = 0; 00061 virtual float gain() const = 0; 00062 virtual float max_gain() const = 0; 00063 00064 virtual void set_attack_rate(float rate) = 0; 00065 virtual void set_decay_rate(float rate) = 0; 00066 virtual void set_reference(float reference) = 0; 00067 virtual void set_gain(float gain) = 0; 00068 virtual void set_max_gain(float max_gain) = 0; 00069 }; 00070 00071 } /* namespace analog */ 00072 } /* namespace gr */ 00073 00074 #endif /* INCLUDED_ANALOG_AGC2_CC_H */