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/* -*- c++ -*- */
/*
* Copyright 2006,2009 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.
*/
GR_SWIG_BLOCK_MAGIC(gr,pwr_squelch_ff);
// retrieve info on the base class, without generating wrappers since
// the base class has a pure virual method.
%import "gr_squelch_base_ff.i"
gr_pwr_squelch_ff_sptr
gr_make_pwr_squelch_ff(double db, double alpha=0.0001, int ramp=0, bool gate=false);
class gr_pwr_squelch_ff : public gr_squelch_base_ff
{
private:
gr_pwr_squelch_ff(double db, double alpha, int ramp, bool gate);
public:
double threshold() const { return 10*log10(d_threshold); }
void set_threshold(double db) { d_threshold = std::pow(10.0, db/10); }
void set_alpha(double alpha) { d_iir.set_taps(alpha); }
std::vector<float> squelch_range() const;
};
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