Thomas Ribbrock wrote:
>> Hi folks,
>> does anybody out there happen to know where I can find documentation about
> programming/accessing the parallel port under Linux? I'd like to experiment
> a bit with the port as 8bit I/O (should be possible with most modern,
> bidirectional parallel ports), but I'm not too certain how to actually
> access it (or is it as simple as writing to/reading from /dev/lp ?).
>
/dev/lp? is the line printer device. You need to either access the
ports
directly (use ioperm to gain access - see ioperm(2)) or use ppdev -
http://www.cyberelk.demon.co.uk/parport.html .
See http://www.torque.net/linux-pp.html for information on drivers
for existing parallel port devices.
Donnchadh
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