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/* -*- c++ -*- */
/*
* Copyright 2004,2006,2010,2012 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "pwr_squelch_ff_impl.h"
namespace gr {
namespace analog {
pwr_squelch_ff::sptr
pwr_squelch_ff::make(double threshold, double alpha, int ramp, bool gate)
{
return gnuradio::make_block_sptr<pwr_squelch_ff_impl>(threshold, alpha, ramp, gate);
}
pwr_squelch_ff_impl::pwr_squelch_ff_impl(double threshold,
double alpha,
int ramp,
bool gate)
: block("pwr_squelch_ff",
io_signature::make(1, 1, sizeof(float)),
io_signature::make(1, 1, sizeof(float))),
squelch_base_ff_impl("pwr_squelch_ff", ramp, gate),
d_pwr(0),
d_iir(alpha)
{
set_threshold(threshold);
}
pwr_squelch_ff_impl::~pwr_squelch_ff_impl() {}
std::vector<float> pwr_squelch_ff_impl::squelch_range() const
{
std::vector<float> r(3);
r[0] = -50.0; // min FIXME
r[1] = +50.0; // max FIXME
r[2] = (r[1] - r[0]) / 100; // step size
return r;
}
void pwr_squelch_ff_impl::update_state(const float& in) { d_pwr = d_iir.filter(in * in); }
} /* namespace analog */
} /* namespace gr */
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