Hardware access with WindowsXP

[Gunz]

I read that LV 7 resolves hardware access for Windows XP. It seems to me that it's only (very) partially true.
In Port and Out Port in LV 7.0 work only if you use them only one time. For ex., a simple program that reads the keyboard buffer (X60) for displaying the code of the key, when included in a while loop blocks completely the PC: no more operation is possible and you must reset the computer. The same is obviously true also for other memory address (for ex. the input or output register of the parallel port). Any suggestion? It would be very important for my didactic applications (I am a teacher)

[AlessioD]

Hi,
have you already installed the HWAccess libraries in your LabVIEW development machine?
You can download the HW Access Libraries from here:

Port and Memory Utilities for Windows [link removed; example no longer available]

This library should let you access all the low level resources you need.
Regards,

AlessioD
National Instruments