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/* -*- c++ -*- */
/*
* Copyright 2005,2012 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_ANALOG_SIMPLE_SQUELCH_CC_H
#define INCLUDED_ANALOG_SIMPLE_SQUELCH_CC_H
#include <gnuradio/analog/api.h>
#include <gnuradio/sync_block.h>
namespace gr {
namespace analog {
/*!
* \brief simple squelch block based on average signal power and threshold in dB.
* \ingroup level_controllers_blk
*/
class ANALOG_API simple_squelch_cc : virtual public sync_block
{
public:
// gr::analog::simple_squelch_cc::sptr
typedef boost::shared_ptr<simple_squelch_cc> sptr;
/*!
* \brief Make a simple squelch block.
*
* \param threshold_db Threshold for muting.
* \param alpha Gain parameter for the running average filter.
*/
static sptr make(double threshold_db, double alpha);
virtual bool unmuted() const = 0;
virtual void set_alpha(double alpha) = 0;
virtual void set_threshold(double decibels) = 0;
virtual double threshold() const = 0;
virtual std::vector<float> squelch_range() const = 0;
};
} /* namespace analog */
} /* namespace gr */
#endif /* INCLUDED_ANALOG_SIMPLE_SQUELCH_CC_H */
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