From: "Haar János" <djani22@netcenter.hu>
To: <hpa@zytor.com>
Cc: <linux-kernel@vger.kernel.org>
Subject: Re: How to send a break?
Date: Mon, 29 May 2006 09:51:56 +0200 [thread overview]
Message-ID: <00cb01c682f4$c307d7a0$1800a8c0@dcccs> (raw)
"H. Peter Anvin" <hpa@zytor.com> az alábbiakat írta a következo üzenetben
news:e5dacu$v33$1@terminus.zytor.com...
> Followup to: <01b701c6818d$4bcd37b0$1800a8c0@dcccs>
> By author: =?iso-8859-2?Q?Haar_J=E1nos?= <djani22@netcenter.hu>
> In newsgroup: linux.dev.kernel
> >
> > Hello, list,
> >
> > I wish to know, how to send a "BREAK" to trigger the sysreq functions on
the
> > serial line, using echo.
> >
> > I mean like this:
> >
> > #!/bin/bash
> > echo "?BREAK?" >/dev/ttyS0
> > sleep 2
> > echo "m" >/dev/ttyS0
> >
>
> You can't use it using echo, however, you can do it using Perl:
>
> perl -e 'use POSIX; tcsendbreak(1,0);' > /dev/ttyS0
Ahh, thats what i am waiting for, thanks! :-)
Works fine!
Thanks,
Janos
>
> -hpa
> -
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next reply other threads:[~2006-05-29 7:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-29 7:51 Haar János [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-05-27 12:58 How to send a break? Haar János
2006-05-27 23:43 ` Jim Crilly
2006-05-28 23:06 ` H. Peter Anvin
2006-05-29 15:08 ` linux-os (Dick Johnson)
2006-05-29 15:35 ` Valdis.Kletnieks
2006-05-29 17:32 ` Haar János
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