Path: utzoo!attcan!uunet!lll-winken!ames!ucsd!rutgers!mcnc!rti!tijc02!cgh018
From: cgh018@tijc02.UUCP (Calvin Hayden    )
Newsgroups: comp.sources.wanted
Subject: Re: Need simple serial port monitor
Message-ID: <356@tijc02.UUCP>
Date: 24 Jan 89 19:00:24 GMT
References: <213@wa3wbu.UUCP>
Organization: Texas Instr., Johnson City TN
Lines: 25

John writes:

> 
>    I'm looking for a simple seril-port interface program written in
> C that would monitor a given port for the assertion of DSR or DCD
> and then execute a routine depending on wether one, the other 
> or both signals were detected. 
> 
>    What I'm trying to do is come up with an interface for a UPS system.
> This system will provide two relay closures, one at switch-over time
> and another at the 2-minute warning. I'd like to wire these into
> synthesizing a signal like DSR and DCD (or something else) and then
> when it detects the first signal it would know the power has gone off.
---snip snip---
> 
>    Does anyone have any ideas or perhaps a program that already does
> something like this for SVR2 ?  Any and all suggestions are
> appreciated.
---snip snip---

I would be interested in such also.  No need to reinvent the wheel.

Calvin 
UUCP:  mcnc!rti!tijc02!cgh018
Voice: (615)461-2254