We did some hacking on the source code. With a very basic hack to
change the delay on a simultanous temperature command, alarming on
bus-powered 18b20's now work. I think this hack is not
production-ready, but it does appear to be a fairly easy fix.
--Jim
On Tue, Jan 4, 2011 at 3:34 PM, Jim
I see your hack, which will certainly work. The delay was supposed to
be not at the time of simultaneous, but at the time of the first
temperature read, so work could be done in between.
I'll include your change in the next release. Thank you for your work!
Paul
On Thu, Jan 6, 2011 at 2:20 PM,
Hi all:
I've been reporting for a while that alarming was not working with
DS18B20 temperature chips. Today we have finally gotten the traces
and compared to the Dallas data sheets to figure out exactly why
they're not working.
Thanks to the relatively new bus traffic debug feature, we were