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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_SQUELCH_BASE_FF_H
#define INCLUDED_ANALOG_SQUELCH_BASE_FF_H
#include <gnuradio/analog/api.h>
#include <gnuradio/block.h>
namespace gr {
namespace analog {
/*!
* \brief basic squelch block; to be subclassed for other squelches.
* \ingroup level_blk
*/
class ANALOG_API squelch_base_ff : virtual public block
{
protected:
virtual void update_state(const float& sample) = 0;
virtual bool mute() const = 0;
public:
squelch_base_ff(){};
virtual int ramp() const = 0;
virtual void set_ramp(int ramp) = 0;
virtual bool gate() const = 0;
virtual void set_gate(bool gate) = 0;
virtual bool unmuted() const = 0;
virtual std::vector<float> squelch_range() const = 0;
};
} /* namespace analog */
} /* namespace gr */
#endif /* INCLUDED_ANALOG_SQUELCH_BASE_FF_H */
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