Ok, sure - I'll get right on it.
I know about not being able to get the DS1821 out of thermostat mode -
that's a pretty weird design, IMHO, but that's what it is. That's why I'm
in the process of bashing together a little doo-dad that will do the little
16-pulse incantation. Silly, but entertaining...
On 6/19/07, Alfille, Paul H.,M.D. <[EMAIL PROTECTED]> wrote:
-----Original Message-----
From: [EMAIL PROTECTED] on behalf of Doug
Collinge
Sent: Tue 6/19/2007 7:26 PM
To: [email protected]
Subject: [Owfs-developers] Write to DS1821 configuration register - how?
I'm fooling around with the DS1821 for which there is some support in
OWFS.
I can read the temperature and set the Th and Tl registers.
I want to use the part in thermostat mode but there doesn't seem to be any
facility in OWFS for setting that bit in the status/config register. The
only bit I can set is the POL bit, which controls which logic sense the
thermostat output has.
Is there any way to set any other bit using, say, the owfs or the owshell
commands?
I have reviewed the code and I see that it should be just a moment's work
to
add support for the remaining THF, THL, TR, and 1SHOT bits in the
configuration register. I'm willing to do this if some contributor is
willing to accept my patch.
--------------
Sure, send the patch.
If you want (not required), a patch for the man page would be appreciated.
The DS1821 still cannot be taken out of thermostat mode with the controls
that
OWFS can access -- the Bus adapters don't allow control of the power line.
Paul Alfille
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