On Mon, Mar 30, 2015 at 12:31:51AM +1300, IVP wrote:
> >> Having another look at the PCB to refresh my memory, DO
> >> has, and always has had, a 47k pull-up to Vcard. ISTR the
> >> actual recommended value is 50k
> >=20
> > Okay, so code for missing DO low at the expected time.
>=20
> Hopefully I can put tomorrow aside to pull this apart and put it
> back together with tests like that. At least I've got something to
> look at now

Aye, there's nothing like a good scope trace to apply skeptical
physicist brain to.  It can bring up questions that are rarely thought
of when coding.

> I'm hoping the mysterious occassional click will get fixed too

I hope not.  Can't stand not knowing the cause of problems.  ;-)

--=20
James Cameron
http://quozl.linux.org.au/
--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.