GNU Radio 3.5.3.1 C++ API
gr_histo_sink_f.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2009 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,
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21  */
22 
23 #ifndef INCLUDED_GR_HISTO_SINK_F_H
24 #define INCLUDED_GR_HISTO_SINK_F_H
25 
26 #include <gr_core_api.h>
27 #include <gr_sync_block.h>
28 #include <gr_msg_queue.h>
29 #include <gruel/thread.h>
30 
31 class gr_histo_sink_f;
33 
35 
36 /*!
37  * \brief Histogram module.
38  * \ingroup sink_blk
39  */
41 {
42 private:
43  gr_msg_queue_sptr d_msgq;
44  unsigned int d_num_bins;
45  unsigned int d_frame_size;
46  unsigned int d_sample_count;
47  unsigned int *d_bins;
48  float *d_samps;
49  gruel::mutex d_mutex;
50 
53  void send_frame(void);
54  void clear(void);
55 
56 public:
57  ~gr_histo_sink_f (void);
58 
59  int work (int noutput_items,
60  gr_vector_const_void_star &input_items,
61  gr_vector_void_star &output_items);
62 
63  unsigned int get_frame_size(void);
64  unsigned int get_num_bins(void);
65 
66  void set_frame_size(unsigned int frame_size);
67  void set_num_bins(unsigned int num_bins);
68 
69 };
70 
71 #endif /* INCLUDED_GR_HISTO_SINK_F_H */