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Shared Memory
Additional Software Notes
© National Instruments Corporation
Refer to the documentation that came with your compiler package for
detailed instructions about using the compiler and the various tools (linker,
debugger, and so on). Your compiler documentation is an important and
useful source of information for writing, compiling, and debugging
C programs.
The VXI-1394 supports sharing of onboard VXI-1394 RAM in VXI space.
However, it does not support sharing of the local PC memory. Refer to
T&M Explorer online help for more information.
This section describes additional software options you may want to
consider.
Compatibility
NI-VXI applications that follow the guidelines documented in the NI-VXI
User Manual will work with NI-VXI for the VXI-1394.
System Configuration Functions
The
InitVXIlibrary()
INIT_RET_OK_RMERROR (2)
NI-VXI library successfully initialized, but the Resource Manager has not
been run successfully." Always run the Resource Manager before using the
NI-VXI library, even if you are using only VME.
Low-Level VXIbus Access Functions
Do not make any assumptions about the size and features of a window
returned from
MapVXIAddress()
to determine the size of a window. The 32-bit value returned from
and passed to
GetContext()
Applications that set the context bits directly for use in
may not be compatible with the new format for context. Because the MITE
allows more flexible window mapping, extra bits have been added to this
field to reflect these new features. Do not manipulate the context bits
directly.
Chapter 3
function has a new return value of
. If this value is returned, it means "The
. You should use
SetContext()
3-7
VXI-1394 Interface for Windows NT/98
Developing Your Application
GetWindowRange()
has a new format.
SetContext()
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