Date: Sun, 27 Oct 2002 21:01:25 -0700 (MST) From: "M. Warner Losh" <imp@bsdimp.com> To: davek@saturn5.com Cc: gkshenaut@ucdavis.edu, hackers@FreeBSD.ORG Subject: Re: Programming the Parallel Port using ppi. Message-ID: <20021027.210125.27780229.imp@bsdimp.com> In-Reply-To: <Pine.BSF.4.44.0210271903180.1234-100000@blackbox.yayproductions.com> References: <200210280155.g9S1tiQ69311@thistle.bogs.org> <Pine.BSF.4.44.0210271903180.1234-100000@blackbox.yayproductions.com>
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In message: <Pine.BSF.4.44.0210271903180.1234-100000@blackbox.yayproductions.com> David Nicholas Kayal <davek@saturn5.com> writes: : Shouldn't 0xff result in 5v outputs? Depends on of the pins are negative logic, now doesn't it :-) And most Parallel ports I've measured clock in at about 3.3V. Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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