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. If there is an error, NULL is returned.