Keithley KUSB-3100, User Manual

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Appendix C
106
Name:
Description:
DataVal
An unsigned long variable that contains the
digital output value to write the specified
register. Values can range between 0 and
4,294,967,295.
If DIO_PORT_CONFIG is specified for
Address , the value specified for DataVal is the
bit mask that configures the digital I/O lines
for input (0) or output (1).
If DIO_PORT_Data is specified for Address ,
the value specified for DataVal is the value
that is written to the configured digital output
lines.
Notes The KUSB-3100 module has 8 fixed digital
input lines and 8 fixed digital output lines.
Return Values Possible return values are as follows:
OLBADRANGE The value is out of range for the device.
OLNOTSUPPORTED Request not supported by subsystem.
OLBADDEVHANDLE Illegal device handle specified.