Date: Fri, 12 Jan 1996 12:37:23 +1030 (CST) From: Michael Smith <msmith@atrad.adelaide.edu.au> To: charlie_conklin@il.us.swissbank.com (Charlie Conklin) Cc: questions@FreeBSD.org Subject: Re: lpt driver question Message-ID: <199601120207.MAA14564@genesis.atrad.adelaide.edu.au> In-Reply-To: <9601111144.AA01349@ln1d279nwk> from "Charlie Conklin" at Jan 11, 96 11:44:15 am
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Charlie Conklin stands accused of saying: > to talk to that hardware. The code looks fairly simple, basically just > poking a few values at an io port. Great; you're in business! > I am now faced with the task of making the hardware work under > FreeBSD instead of windows, and I realize that I do not have the > foggiest notion of how to proceed! :-( Does anyone have any ideas, > or have some useful direction to point me in? Can I use the lpt > driver to do this easily? No, remove the lpt driver from your kernel config, and in your C program (which must run as root) open /dev/io and then use the functions in /usr/include/machine/cpufunc.h (inbv and outbv in particular) to talk to the port directly. > - Charlie Conklin conklic@swissbank.com -- ]] Mike Smith, Software Engineer msmith@atrad.adelaide.edu.au [[ ]] Genesis Software genesis@atrad.adelaide.edu.au [[ ]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[ ]] realtime instrument control (ph/fax) +61-8-267-3039 [[ ]] "Who does BSD?" "We do Chucky, we do." [[
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