Quoting Engelen (email@example.com):
> I had this cool idea the other night: wouldn't it be (fairly easily)
> possible to create a little component with som LED's which shows the status
> of some serial port, so you could write some programs to do the following:
I cobbled together a kernel module to do this on the parallel port,
and a python module to drive the driver, plus a python program to
A kid next door used it with a Tk gui that he wrote to drive model
trains at a church fete. You've reminded me that I'll have to revise
it for the 2.2 kernel by next summer unless he learns quickly.
The parallel port pinout is in the pc-hardware faq on usenet.
> I don't want to kill my serial ports :)
They're the robust ones. Take good care of your parallel port.
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