Man pages sections > man3 > comedi_find_range

comedi_find_range - search for range

COMEDI_FIND_RANGE(3) Comedi reference COMEDI_FIND_RANGE(3)

NAME

comedi_find_range - search for range

SYNOPSIS

#include <comedilib.h>
int comedi_find_range(comedi_t * device, unsigned int subdevice, unsigned int channel, unsigned int unit, double min, double max);

DESCRIPTION

The function comedi_find_range tries to locate the optimal (smallest) range for the channel channel belonging to subdevice subdevice of the comedi device device, that includes both min and max in units of unit.

RETURN VALUE

If a matching range is found, the index of the matching range is returned. If no matching range is available, the function returns -1.

AUTHORS

David Schleef <ds@schleef.org>
Author.
Frank Mori Hess <fmhess@users.sourceforge.net>
Author.
Herman Bruyninckx <Herman.Bruyninckx@mech.kuleuven.ac.be>
Author.
Bernd Porr <tech@linux-usb-daq.co.uk>
Author.
Ian Abbott <abbotti@mev.co.uk>
Author.
Éric Piel <piel@delmic.com>
Author.
Copyright © 1998-2003 David Schleef
 
Copyright © 2001-2003, 2005, 2008 Frank Mori Hess
 
Copyright © 2002-2003 Herman Bruyninckx
 
Copyright © 2012 Bernd Porr
 
Copyright © 2012 Ian Abbott
 
Copyright © 2012 Éric Piel
 
This document is part of Comedilib. In the context of this document, the term "source code" as defined by the license is interpreted as the XML source.
This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, version 2.1 of the License.
This library 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 
08/09/2017 Comedi