ADLINK PCI-7258 - Manual (Page 32)

24 • C/C++ Libraries
5.1.2 Data Types
We have defined some data types in the ACL_PCI.h header file. These data
types are used by the NuDAQ Cards’ library. We suggest you use these data
types in your application programs. The following table shows the data type
names and their range.
Type Name 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
-1.797683134862315E308 to
1.797683134862315E309
Boolean Boolean logic value TRUE, FALSE
Table 3. Data Types and Range