gr_peak_detector_fb.h

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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2007 Free Software Foundation, Inc.
00004  * 
00005  * This file is part of GNU Radio
00006  * 
00007  * GNU Radio is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 3, or (at your option)
00010  * any later version.
00011  * 
00012  * GNU Radio is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  * 
00017  * You should have received a copy of the GNU General Public License
00018  * along with GNU Radio; see the file COPYING.  If not, write to
00019  * the Free Software Foundation, Inc., 51 Franklin Street,
00020  * Boston, MA 02110-1301, USA.
00021  */
00022 
00023 // WARNING: this file is machine generated.  Edits will be over written
00024 
00025 #ifndef INCLUDED_GR_PEAK_DETECTOR_FB_H
00026 #define INCLUDED_GR_PEAK_DETECTOR_FB_H
00027 
00028 #include <gr_sync_block.h>
00029 
00030 class gr_peak_detector_fb;
00031 typedef boost::shared_ptr<gr_peak_detector_fb> gr_peak_detector_fb_sptr;
00032 
00033 gr_peak_detector_fb_sptr gr_make_peak_detector_fb (float threshold_factor_rise = 0.25,
00034                                  float threshold_factor_fall = 0.40,
00035                                  int look_ahead = 10,
00036                                  float alpha = 0.001);
00037 
00060 class gr_peak_detector_fb : public gr_sync_block
00061 {
00062   friend gr_peak_detector_fb_sptr gr_make_peak_detector_fb (float threshold_factor_rise,
00063                                           float threshold_factor_fall,
00064                                           int look_ahead, float alpha);
00065 
00066   gr_peak_detector_fb (float threshold_factor_rise, 
00067           float threshold_factor_fall,
00068           int look_ahead, float alpha);
00069 
00070  private:
00071   float d_threshold_factor_rise;
00072   float d_threshold_factor_fall;
00073   int d_look_ahead;
00074   float d_avg_alpha;
00075   float d_avg;
00076   unsigned char d_found;
00077 
00078  public:
00079 
00083   void set_threshold_factor_rise(float thr) { d_threshold_factor_rise = thr; }
00084 
00088   void set_threshold_factor_fall(float thr) { d_threshold_factor_fall = thr; }
00089 
00093   void set_look_ahead(int look) { d_look_ahead = look; }
00094 
00098   void set_alpha(int alpha) { d_avg_alpha = alpha; }
00099 
00103   float threshold_factor_rise() { return d_threshold_factor_rise; }
00104 
00108   float threshold_factor_fall() { return d_threshold_factor_fall; }
00109 
00113   int look_ahead() { return d_look_ahead; }
00114 
00118   float alpha() { return d_avg_alpha; }
00119 
00120   int work (int noutput_items,
00121             gr_vector_const_void_star &input_items,
00122             gr_vector_void_star &output_items);
00123 };
00124 
00125 #endif

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