Date: Wed, 8 May 1996 08:37:38 PDT From: "Marty Leisner" <leisner@sdsp.mc.xerox.com> To: Harlan Stenn <Harlan.Stenn@pfcs.com> Cc: freebsd-questions@freebsd.org Subject: Re: Bidirectional parallel port? Message-ID: <9605081537.AA10004@gnu.mc.xerox.com> In-Reply-To: Your message of "Wed, 08 May 1996 02:03:14 PDT." <3845.831549794@mumps.pfcs.com>
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> I gather from the docs that the parallel port (/dev/lpt0) is output only. > > However, I gather that the parallel port can be used for IP, which means > that it can also be bidirectional. > > What's the story? > > I haven't been able to get bidirectional I/O to the port with a > PostScript printer. > > H I'm very interested in hearing how to do this... While newer parallel ports are supposed to support bidirectionality, I'd like to see a working implementation (I want to be able to do: cat </dev/pp in one window and cat job.ps >/dev/pp in the other... -- marty leisner@sdsp.mc.xerox.com Member of the League for Programming Freedom
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