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Appendix A - PXI Trigger I/O Function Reference
This appendix describes use of the PXI trigger I/O function library for the PXIe-63985
controller, to program routing of trigger signals between the trigger I/O SMB connector
on the faceplate and the PXI trigger bus on the backplane. API files are located in the
installation directory of the PXI Trigger I/O driver.
A.1 Data Types
The PXIe-63985 library uses these data types in pxitrigio.h in the directory X:\JYTEK\PXI
Trigger IO\Include. It is recommended that you use these data types in your application
programs. The table shows the data type names, ranges, and corresponding data types in
C/C++, Visual Basic, and Delphi for reference.
Type Description
Range
Type
C/C++
(for 32-bit
compiler)
Visual Basic
Pascal
(Delphi)
U8
8-bit ASCII
character
0 to 255
unsigned
char
Byte
Byte
I16
16-bit signed
integer
-32768 to
32767
short
Integer
SmallInt
U16
16-bit unsigned
integer
0 to 65535
unsigned
short
Not supported by BASIC,
use the signed integer
(I16) instead
Word
I32
32-bit signed
integer
-2147483648
to
2147483647
long
Long
LongInt
U32
32-bit unsigned
integer
0 to
4294967295
unsigned
long
Not supported by BASIC,
use the signed long
integer (I32) instead
Cardinal
F32
32-bit single-
precisio n
floating-point
-3.402823E38
to
3.402823E38
float
Single
Single
F64 64-bit double-
precisio n
floating-point
1.7976831348
62315E308 to
1.7976831348
62315E309
double
Double
Double
