comedi_dio_config - change input/output properties of channel
int comedi_dio_config (comedi_t * device, unsigned int subdevice,
unsigned int channel, unsigned int direction);
The function comedi_dio_config() configures individual channels in a
digital I/O subdevice to be either input or output, depending on the
value of parameter direction. Valid directions are COMEDI_INPUT or
Depending on the capabilities of the hardware device, multiple channels
may be grouped together to determine direction. In this case, a single
call to comedi_dio_config() for any channel in the group will affect
the entire group.
If sucessful, 1 is returned, otherwise -1.
28 October 2007