The Control and Measurement Device Interface handbook for Comedilib &comedilib_version; David Schleef ds@schleef.org Frank Mori Hess fmhess@users.sourceforge.net Herman Bruyninckx Herman.Bruyninckx@mech.kuleuven.ac.be Bernd Porr tech@linux-usb-daq.co.uk Ian Abbott abbotti@mev.co.uk Éric Piel piel@delmic.com 1998-2003 David Schleef 2001-2003, 2005, 2008 Frank Mori Hess 2002-2003 Herman Bruyninckx 2012 Bernd Porr 2012 Ian Abbott 2012, 2015 Éric Piel &comedi; is a free software project to interface digital acquisition (DAQ) cards. It is the combination of three complementary software items: (i) a generic, device-independent API, (ii) a collection of Linux kernel modules that implement this API for a wide range of cards, and (iii) a Linux user space library with a developer-oriented programming interface to configure and use the cards. 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.