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From: felix@smoky.ikf.physik.uni-frankfurt.de (Felix the double Helix)
Newsgroups: comp.unix.bsd
Subject: Re: [386BSD] configuring serial to 8n1, multiport serials.
Keywords: bsd, 386bsd, unix, 386BSD, serial, device, help, faq, question
Message-ID: <felix.721963403@smoky>
Date: 17 Nov 92 01:23:23 GMT
References: <chk.721834320@mcshh.hanse.de>
Sender: news@c3000.ikf.physik.uni-frankfurt.de (Usenet News Account)
Organization: Institut fuer Kernphysik, Frankfurt/Main
Lines: 39
chk@mcshh.Hanse.DE (Christian Kuhtz) writes:
>Hi,
>1.) How can I configure the serials to 8N1, 8 bit, no parity, 1 stopbit ?
> I need this setting for an dialin port. This port has to be locked
> to 19200, 8N1.
you can't using the getty that was supplied with 386bsd 0.1.
> It's no problem to do stty cs -parenb -clocal </dev/com{1,2,3,4}
> but that does only work after login, cause it's no gettyredefinition.
> Please tell me how to configure /etc/gettytab for such purposes.
the problem with the getty supplied is that it uses the old v7 tty
interface (struct sgttyb). but just before it exec's a login it sets
"defaults" using the newer termios-functions. thus, you never get any-
thing else than 7e1!
i've hacked getty to use termios instead of sgttyb, but not all of the
things that can be configured using gettytab have been coded in getty yet.
the main problem with that is that there are some values in the sgttyb
structure which can't be converted that easily.
actually i think the best way would be to hack or port a system v-getty
clone to 386bsd instead of using the kind of outdated gettytab file,
unless you add a lot of new parameters to gettytab. i haven't done either,
but if anyone wants/needs a getty desperately that's able to set
the line to 8n1, 7e1, by gettytab configuration flags i could mail it.
but beware: this is currently a hack that works for me, but the work
is still far from being finished.
so long,
felix
--
Felix Gaehtgens, IKF Postmaster
Institut fuer Kernphysik, August Euler-Str. 2-6 Frankfurt/Main 90, West Germany
EMAIL: felix@smoky.ikf.physik.uni-frankfurt.de