[visionegg] Re: paralle port: voltage measured by oscilloscope
- From: Pallier Christophe <pallier@xxxxxxxxxxxxx>
- To: visionegg@xxxxxxxxxxxxx
- Date: Mon, 3 Feb 2003 16:22:25 +0100 (MET)
On Mon, 3 Feb 2003, Christoph Lehmann wrote:
> o.k. on pin 12 (0x20) I measured +5V. when I "bind" it down to 0V (pin
> 25 is grounded to 0V-conncected with ground of the signal generator)
> nothing happens with VE: VE always sees "32" (suppose this means
> 2power5)....
> so either the VE code doesn't work properly with my thinkpad (although I
> run VE as su) or....do I need to change the LPT settings in the bios?
You should really try the LPT.EXE program available (as a floppy
disk image EXPE.BIN) at
http://www.pallier.org/ressources/timelpt/timelpt.html
As it displays the values of all the bits of the parallel port, and show
when they change, it will help determine if the problem is with
the parallel port or with the software (windows or VE).
Christophe Pallier
www.pallier.org
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