From: Michael Buesch <freesoftwaredeveloper@web.de>
To: linux-kernel@vger.kernel.org
Subject: Re: modifying line state manually on ttyS
Date: Mon, 7 Apr 2003 17:42:27 +0200 [thread overview]
Message-ID: <200304071742.27972.freesoftwaredeveloper@web.de> (raw)
In-Reply-To: <1049724987.2965.60.camel@dhcp22.swansea.linux.org.uk>
On Monday 07 April 2003 16:16, Alan Cox wrote:
> TxD is a bad choice. A lot of the hardware cannot control TXD this
> way. DTR is the usual one because it is easy to handle but there
> are other control lines you can drive directly (see TIOCGMODEM)
Oh great, you have just discovered the reason, why my driver is working
on my Pentium1-PC but not on my Pentium4-PC. It's simply not supported
by hardware. I've spent hours and hours about this. :)
My device is actually using DTR and RTS. What line could I use instead of
TxD? Is it possible to use CTS for this, although it is normally a
"input-signal", but not a "output-signal" like RTS?
Regards
Michael Buesch.
--
My homepage: http://www.8ung.at/tuxsoft
fighting for peace is like fu**ing for virginity
next prev parent reply other threads:[~2003-04-07 15:31 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-07 15:02 modifying line state manually on ttyS Michael Buesch
2003-04-07 14:16 ` Alan Cox
2003-04-07 15:42 ` Michael Buesch [this message]
2003-04-07 15:34 ` Sergei Organov
2003-04-07 16:32 ` Michael Buesch
2003-04-07 17:01 ` Sergei Organov
2003-04-07 17:16 ` Michael Buesch
2003-04-07 15:51 ` Richard B. Johnson
2003-04-07 15:48 ` Michael Buesch
-- strict thread matches above, loose matches on Subject: below --
2003-04-07 16:22 Ed Vance
2003-04-07 16:48 ` Michael Buesch
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