1 /* -*- c++ -*- */ 2 /* 3 * Copyright 2007,2013,2018 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 PEAK_DETECTOR_IMPL_H 24 #define PEAK_DETECTOR_IMPL_H 25 26 #include <gnuradio/blocks/peak_detector.h> 27 28 namespace gr { 29 namespace blocks { 30 31 template <class T> 32 class peak_detector_impl : public peak_detector<T> 33 { 34 private: 35 float d_threshold_factor_rise; 36 float d_threshold_factor_fall; 37 int d_look_ahead; 38 float d_avg_alpha; 39 float d_avg; 40 41 public: 42 peak_detector_impl(float threshold_factor_rise, 43 float threshold_factor_fall, 44 int look_ahead, 45 float alpha); 46 ~peak_detector_impl(); 47 set_threshold_factor_rise(float thr)48 void set_threshold_factor_rise(float thr) { d_threshold_factor_rise = thr; } set_threshold_factor_fall(float thr)49 void set_threshold_factor_fall(float thr) { d_threshold_factor_fall = thr; } set_look_ahead(int look)50 void set_look_ahead(int look) { d_look_ahead = look; } set_alpha(float alpha)51 void set_alpha(float alpha) { d_avg_alpha = alpha; } threshold_factor_rise()52 float threshold_factor_rise() { return d_threshold_factor_rise; } threshold_factor_fall()53 float threshold_factor_fall() { return d_threshold_factor_fall; } look_ahead()54 int look_ahead() { return d_look_ahead; } alpha()55 float alpha() { return d_avg_alpha; } 56 57 int work(int noutput_items, 58 gr_vector_const_void_star& input_items, 59 gr_vector_void_star& output_items); 60 }; 61 62 } /* namespace blocks */ 63 } /* namespace gr */ 64 65 #endif /* PEAK_DETECTOR_IMPL_H */ 66