ADLINK Technology HDV62, User Manual

Page: 123 / 164

112 Programming Guide
Parameters
 StartPin
The beginning DIO pin you want to read from or write to.
The StartPin is less than 4.
 StopPin
The end DIO pin you want to read from or write to. The
StopPin is larger than or equal to StartPin and less than 4.
 Values
The states of DIO you read from or write to.
If StartPin = StopPin, Values is the state of single pin. Val-
ues = 0 means low level and Values = 1 means high level.
If StartPin < StopPin, Values is the states of multi-pins.
Each respective bit of Values is the states of each pin
counting from StartPin. For example, StartPin = 0, StopPin
= 3, and Values = 12 = 2b1010, that is Pin0 = low level, Pin1
= high level, Pin2 = low level, and Pin3 = high level.
Return Value
No error occurs if return value >= 0; if negative value, call AMGet-
ErrorText function to get error information about return codes.