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/* -*- c++ -*- */
/*
* Copyright 2006,2012 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#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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