Re: How to send a break?

[Haar János <djani22@netcenter.hu>]

"H. Peter Anvin" <hpa@zytor.com> az alábbiakat írta a következo üzenetben
e5dacu$v33$1@terminus.zytor.com">news:e5dacu$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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