/usr/include/gnuradio/analog/agc3_cc.h is in gnuradio-dev 3.7.9.1-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | /* -*- c++ -*- */
/*
* Copyright 2006,2012 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_AGC3_CC_H
#define INCLUDED_ANALOG_AGC3_CC_H
#include <gnuradio/analog/api.h>
#include <gnuradio/sync_block.h>
namespace gr {
namespace analog {
/*!
* \brief high performance Automatic Gain Control class with
* attack and decay rates.
* \ingroup level_controllers_blk
*
* \details
* Unlike the AGC2 loop, this uses an initial linear calculation
* at the beginning for very fast initial acquisition. Moves to
* IIR model for tracking purposes.
*
* For Power the absolute value of the complex number is used.
*/
class ANALOG_API agc3_cc : virtual public sync_block
{
public:
// gr::analog::agc3_cc::sptr
typedef boost::shared_ptr<agc3_cc> sptr;
/*!
* Build a complex value AGC loop block with attack and decay rates.
*
* \param attack_rate the update rate of the loop when in attack mode.
* \param decay_rate the update rate of the loop when in decay mode.
* \param reference reference value to adjust signal power to.
* \param gain initial gain value.
* \param iir_update_decim stride by this number of samples before
* computing an IIR gain update
*/
static sptr make(float attack_rate = 1e-1, float decay_rate = 1e-2,
float reference = 1.0, float gain = 1.0, int iir_update_decim=1);
virtual float attack_rate() const = 0;
virtual float decay_rate() const = 0;
virtual float reference() const = 0;
virtual float gain() const = 0;
virtual float max_gain() const = 0;
virtual void set_attack_rate(float rate) = 0;
virtual void set_decay_rate(float rate) = 0;
virtual void set_reference(float reference) = 0;
virtual void set_gain(float gain) = 0;
virtual void set_max_gain(float max_gain) = 0;
};
} /* namespace analog */
} /* namespace gr */
#endif /* INCLUDED_ANALOG_AGC3_CC_H */
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