Need help with serial line device driver

[Jon Zeeff]

In article <7581 at bloom-beacon.MIT.EDU> dyer at arktouros.MIT.EDU (Steve Dyer) writes:
>In article <385 at ftp.COM> bill at 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 at b-tech.ann-arbor.mi.us