Name

comedi_dio_get_config — query input/output properties of channel

Synopsis

#include <comedilib.h>
int comedi_dio_get_config(comedi_t * device,
 unsigned int subdevice,
 unsigned int channel,
 unsigned int * direction);
 

Description

The function comedi_dio_get_config queries the input/output configuration of an individual channel in a digital I/O subdevice (see comedi_dio_config). On success, *direction will be set to either COMEDI_INPUT or COMEDI_OUTPUT.

Return value

If successful, 0 is returned, otherwise -1.