28
A.2 Function Library
This section provides detailed definitions of the functions available in the PXI-63980 function
library. Each function includes a description, list of supported cards, syntax, parameter list
and Return Code information.
A�2�1 TRIG_Init
Description
Initializes trigger I/O function of PXI-63980 controller.
TRIG_Init must be called before the invocation of any other trigger I/O function.
Supported Controllers
PXI-63980, PXI-63930,
Syntax
C/C++
◦ I16 TRIG_Init()
Visual Basic
◦ TRIG_Init As Integer
Parameter
None
Return Code
ERR_NoError
ERR_BoardBusy
ERR_OpenDriverFail
ERR_GetGPIOAddress
A�2�2 TRIG_Close
Description
Closes trigger I/O function of PXI-63980 controller, releasing resources allocated for
the trigger I/O function. Users must invoke TRIG_Close before exiting the application.
Supported Controllers
PXI-63980, PXI-63930,
Syntax
C/C++
◦ I16 TRIG_Close()
Visual Basic
◦ TRIG_Close() As Integer
Parameter
None
