Date: Fri, 7 Jun 2002 11:58:46 -0400 (EDT) From: Jai Dhar <jdhar@omega.focalnetworks.net> To: <freebsd-hardware@freebsd.org> Subject: Parallel port Programming Message-ID: <20020607115651.J29906-100000@omega.focalnetworks.net>
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Hi, I am trying to interface an LCD with buttons to my parport in FreeBSD. Now as I understand it, PPI is the 'geek' interface.. I'v been using it, and it's great, but does it provide any means for interrupt handling? The reason I ask is because if I press a button for example, I do not want to send my program into an endless loop checking to see if a certain pin is high.. I think it would be more efficient to have an interrupt triggered when I press a button, but I'm not sure how I would go about doing this. Any help is appreciated, thank you. Jai To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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