From owner-freebsd-questions Mon Dec 27 16:42:28 1999 Delivered-To: freebsd-questions@freebsd.org Received: from bigphred.greycat.com (bigphred.greycat.com [207.173.133.2]) by hub.freebsd.org (Postfix) with ESMTP id 6885A15065 for ; Mon, 27 Dec 1999 16:42:25 -0800 (PST) (envelope-from dann@bigphred.greycat.com) Received: (from dann@localhost) by bigphred.greycat.com (8.9.3/8.9.3) id QAA17448; Mon, 27 Dec 1999 16:42:59 -0800 (PST) (envelope-from dann) Date: Mon, 27 Dec 1999 16:42:59 -0800 From: Dann Lunsford To: Robert Norgard Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Parallel Port Control Message-ID: <19991227164259.A17318@greycat.com> References: <99122711371901.00371@catawba.ohio.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0pre2i In-Reply-To: <99122711371901.00371@catawba.ohio.net> Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Mon, Dec 27, 1999 at 11:32:49AM -0900, Robert Norgard wrote: > Would anyone have suggestions on where to find information on > taking control of the parallel port to manipulate the i/o > lines directly? I need to control some external hardware in > real time. The i/o lines would need to be strobed about 1500 > times/sec. Any problem with this rate? > > Any suggestions? /usr/share/examples/ppi, for the first. That rate is probably not a problem, depending on what you do in between. The times I've run PLIP were much faster than that. -- Dann Lunsford The only thing necessary for the triumph of evil dann@greycat.com is that men of good will do nothing. -- Cicero To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message