comedi_do_insn man page

comedi_do_insn — perform instruction

Synopsis

#include <comedilib.h>

int comedi_do_insn(comedi_t * device, comedi_insn * instruction);

Description

The function comedi_do_insn performs a single instruction.

Return Value

If successful, returns a non-negative number. For the case of INSN_READ or INSN_WRITE instructions, comedi_do_insn returns the number of samples read or written, which may be less than the number requested. If there is an error, -1 is returned.

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.

Info

05/11/2017 Comedi reference