[GreenKeys] RS232 to TTY Loop Boards

[Hugh Pyle]

FWIW, I've done a half of something similar, for the 33, using the USB UART
on Teensy 3.0.   The USB piece is trivially easy.   It will handle 110
baud, but not 45 or fractional stop-bits; you'd need Eric's bit-banging
work to do that.   Anyway, here's the current (untested cos hardware)
version of mine.

https://github.com/hughpyle/ASR33

-Hugh


On Mon, Feb 16, 2015 at 7:44 PM, <epvgk at limpoc.com> wrote:

> On Mon, Feb 16, 2015 at 02:20:09PM -0500, Lester Veenstra wrote:
> > So where do we find code that will get  a Silicon Laboratories CP2102 to
> 45 baud?
> >
> oh i neglected to mention i *have* written the code that will do usb-tty
> conversion
> for Atmega32u4 so that's up for grabs if you'd like to use it.
>
> eric
>
> >
> >
> >
> >
> > Lester B Veenstra  M??YCM K1YCM W8YCM
> >
> >  <mailto:lester at veenstras.com> lester at veenstras.com
> >
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> > From: GreenKeys [mailto:greenkeys-bounces at mailman.qth.net] On Behalf Of
> Mark Hall
> > Sent: Sunday, February 15, 2015 10:32 PM
> > To: greenkeys at mailman.qth.net
> > Subject: Re: [GreenKeys] RS232 to TTY Loop Boards
> >
> >
> >
> > Hello all!
> >
> > I have been looking at the encased loop supply /RS 232 to TTY Loop
> Boards that John Nagle and Steve Garrison
> >
> > have built. Their boxes feature a USB to RS 232 interface- a "Silicon
> Laboratories CP2102-EB evaluation board" that
> > allows the user to reconfigure the interface to 45 baud by using an
> archived program. If there was some way to fabricate
> >
> > a board based on the Nagle board, with a direct interface to USB rather
> than via an adapter for RS 232, this would be
> >
> > pretty nifty. I have one old Dell desktop running XP Pro that has both
> serial and USB ports, but USB seems to be the
> >
> > direction things are going now. Unless it's a custom-built laptop-
> something so "bespoke" that it could be literally "made
> > to order"...
> >
> > If anyone decides to order boards, I'd like to get in on a buy. Many
> thanks!
> >
> >
> >
> > 73 de KE5LIB!
> >
> > Mark
> >
>
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