RunRev lack of rs232 Com Ports !
Camm29 at tesco.net
Thu Feb 28 14:46:50 CST 2008
Now days people have so many allocated ports in use !
Virtual Com Ports for usb and bluetooth etc , etc
I have 100's of requests for users to be able to select Com port 10 and
So its not that we need to use 10's of RS232 Physical ports but need to
more than revs out dated 1 to 9.
It's seem strange that Rev's RS232 Core can handle 1-9 only , I'm sure it
would not be a
vast code change to increase ?
----- Original Message -----
From: "Stephen Barncard" <stephenREVOLUTION2 at barncard.com>
To: "How to use Revolution" <use-revolution at lists.runrev.com>
Sent: Thursday, February 28, 2008 6:24 PM
Subject: Re: RunRev lack of rs232 Com Ports !
> I wouldn't hold my breath for that many RS232 ports...
> may I ask why you need so many INDIVIDUAL ports on the computer side?
> The reason I ask is that there might be a way around this..
> This sounds like a data collection task...
> if it doesn't have to be simultanious... consider software controlled
> external switching in hardware;
> port 1 has the data transfer as a standard port, port 2 controls the
> switching of port 1. Then one could put any number of devices on the
> I did this with a bunch of printers for A&M tape copy in 1990. We
> needed multipe tape box jcards made from pin feed paper... so I got a
> bunch of serial to parallel buffer boxes, one per printer, and
> devised a switching box that actually fed 6 the printer buffers off
> of the single serial port on a Mac SE. as well as the machine control
> of 135 cassette decks. This allowed us to do nice 'letter' quality
> printing at "high speed" with cheap office printers. (We went through
> about 30) while using the Mac SE for control of everything.
> I used simple TTL and a serial controller chip from Cybernetic Micro
> Cybernetic makes many incredible devices and proto boards to hook up
> computers to the physical world.
> >Does anybody have a working solution to get more
> >rs232 com ports 1 - 9 in rev ??????????????
> >This is a major drawback on developments , its has been raised as a bug
> >a long time ago.
> stephen barncard
> s a n f r a n c i s c o
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