1COMEDI_GET_N_CHANNEL(3)        Comedi reference        COMEDI_GET_N_CHANNEL(3)
2
3
4

NAME

6       comedi_get_n_channels - number of subdevice channels
7

SYNOPSIS

9       #include <comedilib.h>
10
11       int comedi_get_n_channels(comedi_t * device, unsigned int subdevice);
12

DESCRIPTION

14       The function comedi_get_n_channels returns the number of channels of
15       the subdevice subdevice belonging to the comedi device device. This
16       function returns -1 on error and the Comedilib error value is set.
17

AUTHORS

19       David Schleef <ds@schleef.org>
20           Author.
21
22       Frank Mori Hess <fmhess@users.sourceforge.net>
23           Author.
24
25       Herman Bruyninckx <Herman.Bruyninckx@mech.kuleuven.ac.be>
26           Author.
27
28       Bernd Porr <tech@linux-usb-daq.co.uk>
29           Author.
30
31       Ian Abbott <abbotti@mev.co.uk>
32           Author.
33
34       Éric Piel <piel@delmic.com>
35           Author.
36
38       Copyright © 1998-2003 David Schleef
39       Copyright © 2001-2003, 2005, 2008 Frank Mori Hess
40       Copyright © 2002-2003 Herman Bruyninckx
41       Copyright © 2012 Bernd Porr
42       Copyright © 2012 Ian Abbott
43       Copyright © 2012, 2015 Éric Piel
44
45       This document is part of Comedilib. In the context of this document,
46       the term "source code" as defined by the license is interpreted as the
47       XML source.
48
49       This library is free software; you can redistribute it and/or modify it
50       under the terms of the GNU Lesser General Public License as published
51       by the Free Software Foundation, version 2.1 of the License.
52
53       This library is distributed in the hope that it will be useful, but
54       WITHOUT ANY WARRANTY; without even the implied warranty of
55       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
56       General Public License for more details.
57
58       You should have received a copy of the GNU Lesser General Public
59       License along with this library; if not, write to the Free Software
60       Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
61       USA.
62
63
64
65
66Comedi                            05/11/2017           COMEDI_GET_N_CHANNEL(3)
Impressum