comedi_get_range — range information of channel
#include <comedilib.h>
comedi_range * comedi_get_range( | comedi_t * device, |
| unsigned int subdevice, | |
| unsigned int channel, | |
unsigned int range); |
The function comedi_get_range returns a pointer to a
comedi_range
structure that contains information on
the range specified by the subdevice,
channel,
and range parameters.
The pointer is valid until the Comedi device
device is closed. The
comedi_range
pointed to by the return value should not be modified.
If there is an error, NULL is returned.