Date: Mon, 13 Feb 1995 20:53:05 +0100 (MET) From: j@uriah.sax.de (J Wunsch) To: aledm@relay-europe.ps.net (Aled Morris) Cc: hackers@FreeBSD.org Subject: Re: lpt Message-ID: <199502131953.UAA18869@bonnie.tcd-dresden.de> In-Reply-To: <Pine.3.89.9502131652.B8328-0100000@relay-europe.ps.net> from "Aled Morris" at Feb 13, 95 04:47:36 pm
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As Aled Morris wrote:
|
| Am I supposed to be able to "echo hello > /dev/lpt0" to test my parallel
| printer?
of course
|
| Needless to say, it doesn't work. It just hangs for a minute and comes
| back "/dev/lpt0: Device busy".
| lpt0 at 0x3bc-0x3c3 irq 7 on isa
| lpt0: Interrupt-driven port
| lp0: TCP/IP capable interface
Can you try to find out if the open() would hang or the write()?
[Short C program à la ``Hello world''.] Watch out for possible
console/syslog messages.
Perhaps your cabling is bad, you can try to configure your lpt
port for polled IO, simply omit the ``irq 7'' from the config line.
(just guessing...)
--
cheers, J"org work: --- no longer ---
private: joerg_wunsch@uriah.sax.de
Never trust an operating system you don't have sources for. ;-)
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