GNU Radio 3.5.1 C++ API
gr_histo_sink_f.h
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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2009 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 #ifndef INCLUDED_GR_HISTO_SINK_F_H
00024 #define INCLUDED_GR_HISTO_SINK_F_H
00025 
00026 #include <gr_core_api.h>
00027 #include <gr_sync_block.h>
00028 #include <gr_msg_queue.h>
00029 #include <gruel/thread.h>
00030 
00031 class gr_histo_sink_f;
00032 typedef boost::shared_ptr<gr_histo_sink_f> gr_histo_sink_f_sptr;
00033 
00034 GR_CORE_API gr_histo_sink_f_sptr gr_make_histo_sink_f (gr_msg_queue_sptr msgq);
00035 
00036 /*!
00037  * \brief Histogram module.
00038  * \ingroup sink_blk
00039  */
00040 class GR_CORE_API gr_histo_sink_f : public gr_sync_block
00041 {
00042 private:
00043   gr_msg_queue_sptr     d_msgq;
00044   unsigned int d_num_bins;
00045   unsigned int d_frame_size;
00046   unsigned int d_sample_count;
00047   unsigned int *d_bins;
00048   float *d_samps;
00049   gruel::mutex d_mutex;
00050 
00051   friend GR_CORE_API gr_histo_sink_f_sptr gr_make_histo_sink_f (gr_msg_queue_sptr msgq);
00052   gr_histo_sink_f (gr_msg_queue_sptr msgq);
00053   void send_frame(void);
00054   void clear(void);
00055 
00056 public:
00057   ~gr_histo_sink_f (void);
00058 
00059   int work (int noutput_items,
00060     gr_vector_const_void_star &input_items,
00061     gr_vector_void_star &output_items);
00062 
00063   unsigned int get_frame_size(void);
00064   unsigned int get_num_bins(void);
00065 
00066   void set_frame_size(unsigned int frame_size);
00067   void set_num_bins(unsigned int num_bins);
00068 
00069 };
00070 
00071 #endif /* INCLUDED_GR_HISTO_SINK_F_H */