* userspace app needing signal on parport input change
@ 2005-02-26 21:47 Melkor Ainur
0 siblings, 0 replies; 2+ messages in thread
From: Melkor Ainur @ 2005-02-26 21:47 UTC (permalink / raw)
To: linux-kernel
Hello,
Is there a way for a user space app to get a signal or
maybe woken up from select/read when there is a change
on a particular input pin on the parallel port?
Thanks.
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: userspace app needing signal on parport input change
[not found] <fa.l796vn9.1kjep0r@ifi.uio.no>
@ 2005-02-27 2:57 ` Bodo Eggert
0 siblings, 0 replies; 2+ messages in thread
From: Bodo Eggert @ 2005-02-27 2:57 UTC (permalink / raw)
To: Melkor Ainur, linux-kernel
Melkor Ainur <melkorainur@yahoo.com> wrote:
> Is there a way for a user space app to get a signal or
> maybe woken up from select/read when there is a change
> on a particular input pin on the parallel port?
The easiest hack I can think of is: Change the db9-driver to be freely
configurable and make yourself a zero-axis 13-button "joystick".
http://www.infonewsindia.com/pinout/ibmlpt.txt might help for the pin
assignment. I guess you don't need it, but maybe some other vicolunteer does.
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2005-02-26 21:47 userspace app needing signal on parport input change Melkor Ainur
[not found] <fa.l796vn9.1kjep0r@ifi.uio.no>
2005-02-27 2:57 ` Bodo Eggert
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