[time-nuts] RS 232

Mark C. Stephens marks at non-stop.com.au
Sat Jul 27 15:40:24 UTC 2013


Quite right Bob, Echolink is one such program that doesn't automagically raise DTR when the port is opened.
Anyway, I have gone Echo-IRLP now, much more robust running under unix.
But I veer of topic..

--marki

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On Behalf Of Bob Camp
Sent: Saturday, 27 July 2013 11:16 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] RS 232

Hi

If the "driving program" is written using the standard DLL's / libraries it's directly under control of that program. It's state will depend a lot on what the coder decided was right.

Bob


On Jul 26, 2013, at 9:07 PM, Hal Murray <hmurray at megapathdsl.net> wrote:

> 
> marks at non-stop.com.au said:
>> It you can figure out how to raise DTR while your application has the 
>> port open it can be a good source of power for a RS232 device.
> 
> Most OSes turn it on automagically when you open the file.  (and turn 
> it off when you close the file)
> 
> 
> 
> --
> These are my opinions.  I hate spam.
> 
> 
> 
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