1COMEDI_SV_INIT(3) Comedi reference COMEDI_SV_INIT(3)
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6 comedi_sv_init - slowly-varying inputs
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9 #include <comedilib.h>
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11 int comedi_sv_init(comedi_sv_t * sv, comedi_t * device,
12 unsigned int subdevice, unsigned int channel);
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15 deprecated
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18 The function comedi_sv_init initializes the slow varying Comedi
19 structure pointed to by sv to use the device device, the analog input
20 subdevice subdevice, and the channel channel. The slow varying Comedi
21 structure is used by comedi_sv_measure to accurately measure an analog
22 input by averaging over many samples. The default number of samples is
23 100.
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26 This function returns 0 on success, -1 on error.
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29 David Schleef <ds@schleef.org>
30 Author.
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32 Frank Mori Hess <fmhess@users.sourceforge.net>
33 Author.
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35 Herman Bruyninckx <Herman.Bruyninckx@mech.kuleuven.ac.be>
36 Author.
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38 Bernd Porr <tech@linux-usb-daq.co.uk>
39 Author.
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41 Ian Abbott <abbotti@mev.co.uk>
42 Author.
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44 Éric Piel <piel@delmic.com>
45 Author.
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48 Copyright © 1998-2003 David Schleef
49 Copyright © 2001-2003, 2005, 2008 Frank Mori Hess
50 Copyright © 2002-2003 Herman Bruyninckx
51 Copyright © 2012 Bernd Porr
52 Copyright © 2012 Ian Abbott
53 Copyright © 2012, 2015 Éric Piel
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55 This document is part of Comedilib. In the context of this document,
56 the term "source code" as defined by the license is interpreted as the
57 XML source.
58
59 This library is free software; you can redistribute it and/or modify it
60 under the terms of the GNU Lesser General Public License as published
61 by the Free Software Foundation, version 2.1 of the License.
62
63 This library is distributed in the hope that it will be useful, but
64 WITHOUT ANY WARRANTY; without even the implied warranty of
65 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
66 General Public License for more details.
67
68 You should have received a copy of the GNU Lesser General Public
69 License along with this library; if not, write to the Free Software
70 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
71 USA.
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76Comedi 05/11/2017 COMEDI_SV_INIT(3)