Re: Parallel I/O
Michael Beattie wrote:
>
> I dont know if this got through due to the DNS problem, so here's my
> Question again:
>
> I am having trouble with porting a DOS prog to linux, It is used to
> control a Parallel port interface card, which I bought as a kit from the
> local electronics store. It works fine in DOS, but now, when I try to get
> and send info to it ( inb([base]) and outb([value],[base]) ) nothing
> registers. The control program that someone pointed to at:
> http://www-ugrad.cs.colorado.edu/~rkirkpat/software/ppc-1.0.tgz
> works quite well, but My program wont work.
>
Don't you have to open say /dev/lp0 as a file (in read and write) to do
this? I could be wrong, but since Linux treats everything as a file it
makes sence.
> Is there something I should do in my program to let the port be used
> freely? ( Hex 0x378 ) I have the ioperm stuff from the ppc program.
>
> Can anyone help? I would probably accept flames... :)
>
Can you send the source code? It's hard to visualize something without
takin' a look.
Mark Panzer
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