comedi_internal_trigger - generate soft trigger

DavidSchleef <ds@schleef.org>
           Author.

       FrankMoriHess <fmhess@users.sourceforge.net>
           Author.

       HermanBruyninckx <Herman.Bruyninckx@mech.kuleuven.ac.be>
           Author.

       BerndPorr <tech@linux-usb-daq.co.uk>
           Author.

       IanAbbott <abbotti@mev.co.uk>
           Author.

       ÉricPiel <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, 2015 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.

Comedi                                             08/06/2025                            COMEDI_INTERNAL_TRIG(3)

       This function sends an INSN_INTTRIG instruction to a subdevice, which causes an internal triggering
       event. This event can, for example, trigger a subdevice to start an asynchronous command.

       The trig_num parameter is reserved for future use, and should be set to 0. It is likely it will be used
       in the future to support multiple independent internal triggers. For example, an asynchronous command
       might be specified for a subdevice with a start_src of TRIG_INT, and a start_arg of 5. Then the start
       event would only be triggered if comedi_internal_trigger were called on the subdevice with a trig_num
       equal to the same value of 5.

       comedi_internal_trigger - generate soft trigger

       0 on success, -1 on error.

#include<comedilib.h>intcomedi_internal_trigger(comedi_t*device,unsignedintsubdevice,unsignedinttrig_num);