1 /* -*- c++ -*- */
2 /*
3  * Copyright 2005-2011,2013 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_THROTTLE_IMPL_H
24 #define INCLUDED_GR_THROTTLE_IMPL_H
25 
26 #include <gnuradio/blocks/throttle.h>
27 
28 namespace gr {
29 namespace blocks {
30 
31 class throttle_impl : public throttle
32 {
33 private:
34     boost::system_time d_start;
35     size_t d_itemsize;
36     uint64_t d_total_samples;
37     double d_samps_per_tick, d_samps_per_us;
38     bool d_ignore_tags;
39 
40 public:
41     throttle_impl(size_t itemsize, double samples_per_sec, bool ignore_tags = true);
42     ~throttle_impl();
43 
44     // Overloading gr::block::start to reset timer
45     bool start();
46 
47     void setup_rpc();
48 
49     void set_sample_rate(double rate);
50     double sample_rate() const;
51 
52     int work(int noutput_items,
53              gr_vector_const_void_star& input_items,
54              gr_vector_void_star& output_items);
55 };
56 
57 } /* namespace blocks */
58 } /* namespace gr */
59 
60 #endif /* INCLUDED_GR_THROTTLE_IMPL_H */
61