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Date:      Fri, 15 Dec 2006 20:25:16 +1030
From:      "Daniel O'Connor" <doconnor@gsoft.com.au>
To:        freebsd-hackers@freebsd.org
Cc:        Mr CW <mrcomputerwiz@hotmail.com>
Subject:   Re: Capturing Parallel Port Data
Message-ID:  <200612152025.17442.doconnor@gsoft.com.au>
In-Reply-To: <BAY127-F187D6C4606B7092264F699B3D50@phx.gbl>
References:  <BAY127-F187D6C4606B7092264F699B3D50@phx.gbl>

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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 t=
he
> 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=
=20
suspect you'd need to write a ppbus driver because lpt only returns the=20
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)

=2D-=20
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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