File: fifo.h

package info (click to toggle)
gr-fosphor 3.7.0.2.7b6b996-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 1,364 kB
  • ctags: 2,853
  • sloc: python: 9,622; ansic: 3,211; cpp: 1,048; lisp: 609; xml: 260; makefile: 32
file content (63 lines) | stat: -rw-r--r-- 1,656 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
/* -*- c++ -*- */
/*
 * Copyright 2013-2014 Sylvain Munaut <tnt@246tNt.com>
 *
 * This is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3, or (at your option)
 * any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this software; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#ifndef INCLUDED_GR_FOSPHOR_FIFO_H
#define INCLUDED_GR_FOSPHOR_FIFO_H

#include <gnuradio/fosphor/api.h>

#include <gnuradio/gr_complex.h>
#include <gnuradio/thread/thread.h>

namespace gr {
  namespace fosphor {

   class GR_FOSPHOR_API fifo
   {
    private:
     gr_complex *d_buf;
     int d_len;
     int d_rp;
     int d_wp;

     thread::mutex d_mutex;
     thread::condition_variable d_cond_empty;
     thread::condition_variable d_cond_full;

    public:
     fifo(int length);
     ~fifo();

     int free();
     int used();

     int write_max_size();
     gr_complex *write_prepare(int size, bool wait=true);
     void write_commit(int size);

     int read_max_size();
     gr_complex *read_peek(int size, bool wait=true);
     void read_discard(int size);
   };

  } // namespace fosphor
} // namespace gr

#endif /* INCLUDED_GR_FOSPHOR_FIFO_H */