1 /* -*- c++ -*- */
2 /*
3  * Copyright 2007,2013,2015 Free Software Foundation, Inc.
4  *
5  * This file is part of GNU Radio
6  *
7  * GNU Radio is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 3, or (at your option)
10  * any later version.
11  *
12  * GNU Radio is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with GNU Radio; see the file COPYING.  If not, write to
19  * the Free Software Foundation, Inc., 51 Franklin Street,
20  * Boston, MA 02110-1301, USA.
21  */
22 
23 #ifndef INCLUDED_GR_PEAK_DETECTOR2_FB_IMPL_H
24 #define INCLUDED_GR_PEAK_DETECTOR2_FB_IMPL_H
25 
26 #include <gnuradio/blocks/peak_detector2_fb.h>
27 
28 namespace gr {
29 namespace blocks {
30 
31 class peak_detector2_fb_impl : public peak_detector2_fb
32 {
33 private:
34     float d_threshold_factor_rise;
35     int d_look_ahead;
36     float d_alpha;
37     float d_avg;
38     bool d_found;
39 
40     void invalidate();
41 
42 public:
43     peak_detector2_fb_impl(float threshold_factor_rise, int look_ahead, float alpha);
44     ~peak_detector2_fb_impl();
45 
46     void set_threshold_factor_rise(float thr);
47     void set_look_ahead(int look);
48     void set_alpha(float alpha);
49 
threshold_factor_rise()50     float threshold_factor_rise() { return d_threshold_factor_rise; }
look_ahead()51     int look_ahead() { return d_look_ahead; }
alpha()52     float alpha() { return d_alpha; }
53 
54     int work(int noutput_items,
55              gr_vector_const_void_star& input_items,
56              gr_vector_void_star& output_items);
57 };
58 
59 } /* namespace blocks */
60 } /* namespace gr */
61 
62 #endif /* INCLUDED_GR_PEAK_DETECTOR2_FB_IMPL_H */
63