From: "Andreas Färber" <afaerber@suse.de>
To: Yang Jin <andysycrane@gmail.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] CAN device
Date: Sun, 30 Jun 2013 14:37:29 +0200 [thread overview]
Message-ID: <51D02689.1040802@suse.de> (raw)
In-Reply-To: <CAPmXEm=NWNPYMzHdQ3-0iG3a-gP589-4aWnM60cfOGDyfxtpKw@mail.gmail.com>
Hi,
Am 30.06.2013 14:25, schrieb Yang Jin:
> Thanks, Andreas. It really help me a lot.
>
> When I man qemu, I found "path specifies the name of the serial device
> to open". Does that mean I should have a real serial device or I cannot
> test it? Can I test it just in a virtual environment? When I try to open
> a /dev/ttyS0 through "cat /dev/ttyS0", error "Input/output error".
-chardev serial is for a serial device. If you cannot or don't want to
use one, just use a different -chardev parameter. The man page I pointed
you to documents quite a few: null, file, pipe, stdio and many more. I
cannot guess which one is best for what you are trying to do. ;)
Regards,
Andreas
P.S. Please avoid top-posting on the mailing list.
--
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
prev parent reply other threads:[~2013-06-30 12:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-28 12:19 [Qemu-devel] CAN device Yang Jin
2013-06-28 12:51 ` Andreas Färber
2013-06-30 12:25 ` Yang Jin
2013-06-30 12:37 ` Andreas Färber [this message]
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