man comedi_cancel (Fonctions bibliothèques) - stop streaming input/output in progress
NAME
comedi_cancel - stop streaming input/output in progress
SYNOPSIS
#include <comedilib.h> int comedi_cancel (comedi_t * device, unsigned int subdevice);
DESCRIPTION
The function comedi_cancel() can be used to stop a Comedi command previously started by comedi_command() that is still in progress on the subdevice indicated by the parameters device and subdevice. This may not return the subdevice to a ready state, since there may be samples in the buffer that need to be read.
If sucessful, 0 is returned, otherwise -1.