GNU Radio 3.6.4.1 C++ API
ppio_ppdev.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2001,2003 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_PPIO_PPDEV_H
24 #define INCLUDED_PPIO_PPDEV_H
25 
26 #include <gr_core_api.h>
27 #include <ppio.h>
28 
29 class ppio_ppdev;
31 
32 /*!
33  * \brief access to parallel port bits using the linux ppdev interface
34  * \ingroup hardware
35  */
36 
37 class GR_CORE_API ppio_ppdev : public ppio {
38  friend GR_CORE_API ppio_ppdev_sptr make_ppio_ppdev (int which = 0);
39  ppio_ppdev (int which = 0);
40 
41  public:
42  virtual ~ppio_ppdev ();
43 
44  virtual void write_data (unsigned char v);
45  virtual unsigned char read_data ();
46  virtual void write_control (unsigned char v);
47  virtual unsigned char read_control ();
48  virtual unsigned char read_status ();
49 
50  virtual void lock ();
51  virtual void unlock ();
52 
53  private:
54  int d_fd;
55 };
56 
58 make_ppio_ppdev (int which);
59 
60 
61 #endif /* INCLUDED_PPIO_PPDEV_H */
62