C/C++ DOS Function Library
13
PCIe-7432
Appendix A C/C++ DOS Function Library
A.1 Data Types
The following data types in the PCIe function library can be used
in application programs.
A.2 List of Functions
Initial
Initializes all installed PCIe-7432 cards. Plug and play capa-
bility allows IRQ and I/O address to be assigned by the sys-
tem BIOS directly.
Type
Description
Range
U8
8-bit ASCII character
0 to 255
I16
16-bit signed integer
-32768 to 32767
U16
16-bit unsigned integer
0 to 65535
I32
32-bit signed integer
-2147483648 to 2147483647
U32
32-bit single-precision
floating-point
0 to 4294967295
F32
32-bit single-precision
floating-point
-3.402823E38 to
3.402823E38
F64
64-bit double-precision
floating-point
-.797683134862315E308 to
1.797683134862315E309
Boolean
Boolean logic value
TRUE, FALSE
Function
Initial
Digital Input Relative Functions
Digital Output Relative Functions
Interrupt Source Control
Get Interrupt Status
Interrupt Enable
Interrupt Disable