Capturing Parallel Port Data

[Daniel O'Connor]

On Friday 15 December 2006 05:32, Mr CW wrote:
> Now, my real question is:  how do I read data from the parallel port on the
> FreeBSD computer that is coming from the tester which is trying to 'print'
> to the FBSD computer's parallel port?  Is there a suggested pinout for a
> parallel crossover calbe to accomplish this task with ppi?  Is the
> crossover cable even required?

I think you would need to wire ACK to STROBE at the very least.. I kind of 
suspect you'd need to write a ppbus driver because lpt only returns the 
printer status when read.

> Finally, is there a FBSD-sanctioned parallel port driver for use with Perl
> instead of using ppi and C?

It would be pretty easy to write a wrapper to use ppi in Perl (eg SWIG)

-- 
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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