Xref: utzoo comp.unix.xenix:3692 comp.unix.wizards:11832
Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!bloom-beacon!ftp!bill
From: bill@ftp.COM (Bill Lampman)
Newsgroups: comp.unix.xenix,comp.unix.wizards
Subject: Need help with serial line device driver
Keywords: How to get data to another Driver ?
Message-ID: <385@ftp.COM>
Date: 20 Oct 88 16:26:32 GMT
Organization: FTP Software Inc., Cambridge, MA
Lines: 22

Hi,
	I'm trying to write a SLIP (serial line IP) 'driver' for SCO
	Xenix '286. I've already gotten the IP kernel code running
	and I'm able to get SLIP packets from the serial ports via
	'cat < /dev/tty1a', but I need to have the data from the
	serial port available to the IP 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 cause way too much overhead.

	Any help/advice is welcome.

Thanks in advance,
	Bill

-- 
------------------------------------------------------------------------------
Bill Lampman @ FTP Software		UUCP:	...harvard!ftp!bill
					ARPA:	bill@ftp.com
...sometimes the songs that we hear are just songs of our own...