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From: han@Apple.COM (Byron Han, scapegoat)
Newsgroups: comp.sys.mac.programmer
Subject: Re: RAM serial driver and event handling
Message-ID: <10308@goofy.Apple.COM>
Date: 19 Sep 90 23:04:43 GMT
References: <1021.26f75aef@iccgcc.decnet.ab.com> <1990Sep19.193147.15445@eng.umd.edu>
Organization: Apple Computer, Inc.
Lines: 14

In article <1021.26f75aef@iccgcc.decnet.ab.com> milikich@iccgcc.decnet.ab.com (Mike Milikich, Allen-Bradley Company) writes:
>I am writing an application which needs to communicate with an external device
>(a network bridge, actually) through the modem or printer ports. I have two
>questions :
>
>0) Can anyone direct me to some sample code which uses the RAM serial driver to
>read and write bytes to/from either port? In fact, is the RAM serial driver the
>best way to do something like this (what are the options / pros / cons)?

As a further note, when opening the serial driver, it is best to check to see
if the driver is already open before opening - this prevents one application
from "stealing" the serial driver from another under MultiFinder.

Someday, serial port arbitration will be a reality,  Until then...