Re: HAI Communicating Thermostat source code?

[Robert L Bass <sales@xxxxxxxxxxxxxxxxxxxxx>]

On Sat, 27 Aug 2005 07:21:14 GMT, Bradley Plett
<plettb@xxxxxxxxxxx> wrote:

> I'm trying to learn how to communicate with my thermostat using RS232.
> Unfortunately, so far I have been completely stymied.  Does anyone
> have some sample source code that could help me get started?  The very
> easiest possible example would, I'm sure, be enough to get me going.
> I don't even care much what language it's in.  I'm about 80% certain
> I've got the cabling right, but I can't get a response from the
> thermostat no matter what I try.

I don't have the control codes but the communications format is
bi-directional, one start bit, eight data bits, one stop bit NRZ,
300-baud.  At least, that's the default setup on one model.
--

Regards,
Robert L Bass

Bass Burglar Alarms
The Online DIY Store
http://www.BassBurglarAlarms.com