Xref: utzoo comp.unix.xenix:3717 comp.unix.wizards:11884
Path: utzoo!utgpu!attcan!uunet!husc6!mailrus!umix!b-tech!zeeff
From: zeeff@b-tech.ann-arbor.mi.us (Jon Zeeff)
Newsgroups: comp.unix.xenix,comp.unix.wizards
Subject: Re: Need help with serial line device driver
Keywords: How to get data to another Driver ?
Message-ID: <4886@b-tech.ann-arbor.mi.us>
Date: 21 Oct 88 13:25:51 GMT
References: <385@ftp.COM> <7581@bloom-beacon.MIT.EDU>
Reply-To: zeeff@b-tech.ann-arbor.mi.us (Jon Zeeff)
Organization: Branch Technology Ann Arbor, MI
Lines: 15

In article <7581@bloom-beacon.MIT.EDU> dyer@arktouros.MIT.EDU (Steve Dyer) writes:
>In article <385@ftp.COM> bill@ftp.COM (Bill Lampman) writes:
>>kernel code for demultiplexing and checksumming, etc.  Does anyone know
>>how I can access the serial line data without having a daemon running to
>>read the data and then write it back to the kernel ? This scheme would
>
>You want to define a new TTY line discipline which will make the
>bytes available to your IP input routine.  This is what's done

I think he is trying to avoid having or writing the tty driver source.
Can a kernel routine call ttyopen() and ttyread()?  Ar there any PD
tty drivers for Xenix (or Microport)?
-- 
Jon Zeeff      			Ann Arbor, MI
umix!b-tech!zeeff  		zeeff@b-tech.ann-arbor.mi.us