> ----------
> From: Basham, Richard R
> Sent: Sunday, May 16, 1999 4:49 PM
> To: [EMAIL PROTECTED]; '[EMAIL PROTECTED]'
> Subject: RE: [rtl] Setting a bit pattern dynamically on the parallel port
>
> Olga,
>
> You can not simply use global variables to pass information between user space
> processes and kernel space processes. You can use shared memory or you
> can use the rt_fifos. If you want to use shared memory (it acts like global memory)
> you need to read the howto for using shared memory. There are several steps to
> follow in both the rt_module and the user space process. Otherwise you need to look
> at the frank example and use the fifos.
>
> I hope this helps.
>
> Rich
>
> ----------
> From: [EMAIL PROTECTED][SMTP:[EMAIL PROTECTED]]
> Sent: Sunday, May 16, 1999 4:41 PM
> To: [EMAIL PROTECTED]
> Subject: [rtl] Setting a bit pattern dynamically on the parallel port
>
>
> Hello :
> I am running a periodic RT task that sets a bit pattern
> on the parallel port.
> How can I change this bit pattern dynamically ? I mean
> when a user presses a key, the bit pattern on the parallel port gets
> changed ? I can detect a key press in my application.
> Currently I get a stable bit pattern after every time I do insmod
> <module>, but the pattern
> stays even after I pass a different bit pattern to the module via a
> global variable in my include file
>
> Any help will be appreciated
>
> Sincerely,
> Olga
>
>
> ______________________________________________________________________
>
> Olga Mill ([EMAIL PROTECTED])
> Eastern Washington University
>
> Voice Mail : (509) 359-6907
>
> __________________________________________________________________________
>
>
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