On Fri, Jul 8, 2011 at 3:09 PM, Pedro Côrte-Real <[email protected]> wrote:
> I spoke too soon. Seems like stdout was just not being flushed. It's
> now outputting readings. I should have one of the strange ones in a
> bit.

After running it for a while I got a few wrong values and put them in
a spreadsheet[1]. What seems to be happening is that when the value is
wrong VAD is equal to VDD. Here are four successive reads with the two
middle ones in error:

VAD     VDD     T       H
2.78    4.96    25.0312 64.5598
2.91    2.91    24.4062 135.229
4.94    4.94    24.4688 135.248
2.9     4.94    24.5    68.7626

Because the saal code is doing reads in quick succession it could
indeed be a timing bug as I may be pushing this to the limit. Most of
the reads here are explicitly uncached too.

Pedro

[1] http://scratch.pedrocr.net/OwServerAnalysis.gnumeric

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