FW: [rtl] changing a bit pattern on LPT

["Basham, Richard R" <Richard.Basham@PSS.Boeing.com>]

> ----------
> From: 	Basham, Richard R
> Sent: 	Sunday, May 16, 1999 4:44 PM
> To: 	'omill@mail.ewu.edu'
> Subject: 	RE: [rtl] changing a bit pattern on LPT
> 
> Olga,
> 
> You need to have the user space process pass a flag using an rt_fifo to 
> tell the rt_module what key was pressed or what pattern you want.
> The "frank" example is quite easy to follow and it shows how to pass 
> information back and forth using the fifos.  
> 
> I hope this helps.
> 
> Rich
> 
> ----------
> From: 	omill@mail.ewu.edu[SMTP:omill@mail.ewu.edu]
> Sent: 	Saturday, May 15, 1999 8:40 PM
> To: 	rtl@rtlinux.cs.nmt.edu
> Subject: 	[rtl] changing a bit pattern on LPT
> 
> 
> Hello :
> 	I am running a periodic RT task that sets a bit pattern
> on a 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 must be
> changed ?
> 	Currently I get a stable bit pattern after I do insmod <module>
> Any help will be appreciated
> Olga
> 
> 
> ______________________________________________________________________
> 
>   Olga Mill (omill@ewu.edu)
>   Eastern Washington University
>   
>   Voice Mail :	(509) 359-6907                                                               	
> __________________________________________________________________________
> 
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