46
C/C++ Library
To differentiate between DOS libraries and Windows 95 libraries, a
capital "W" is placed in the beginning of each function name of the
Windows 95 DLL driver. e.g. W_9812_Initial().
Data Types
Some data types were defined in Pci_9812.h (DOS) and Acl_pci.h
(Windows 95). These data types are used by the NuDAQ Cards’
library. It is recommended that these data types are used in your
application programs. The following table lists 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 6-1: Data Types
Summary of Contents for NuDAQ PCI-9810
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