[time-nuts] 57600 baud rate with Basic etc

Bob Camp lists at rtty.us
Wed Oct 10 16:10:45 UTC 2012


Hi

Again, I'd say it's the lowest common denominator. Synchronous comm using
RS-232 levels on a DB-25 came before asynchronous comm. It's long dead.
Being first isn't *always* best. Same could be said of 125V / 60 ma current
loops. I suspect serial will easily outlive RS-232 levels though. 

Bob

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Michael Tharp
Sent: Wednesday, October 10, 2012 11:55 AM
To: time-nuts at febo.com
Subject: Re: [time-nuts] 57600 baud rate with Basic etc

On 10/10/2012 11:49 AM, Bob Camp wrote:
> No easy solution. Serial com is still with us because it's a lowest common
> denominator. I'm sitting here coding it into a new product right now (once
> the uber super compiler finishes a build). It's supported on just about
> every chip set in the universe. I suspect it will outlive the cockroaches.

Basic serial has its merits, but it's regrettable that RS-232 came out 
on top. RS-422 (or full-duplex RS-485, not much difference) would have 
been a much better choice. Differential so it has good noise resistance, 
and it doesn't use weird voltages (-12V? come on...)

It all looks the same from the software side though. Bytes in, bytes out.

-- m. tharp

_______________________________________________
time-nuts mailing list -- time-nuts at febo.com
To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.





More information about the time-nuts mailing list