[Tinyos-devel] Re: [Tinyos Core WG] time sync interfaces

Miklos Maroti mmaroti at math.u-szeged.hu
Wed Dec 19 02:33:29 PST 2007


Hi!

> I could only imagine a worthwhile HIL time sync if the hardware had a PLL oscillator
> that can be adjusted based on round trip tests as a system runs.  NO hardware has
> that yet, so a HIL wouldn't be worthwhile.

I completely disaggree. It is a big mistake to mess with the rate or
offset of the
oscillator! The only important thing is how stable that oscillator is,
and I do not
care if the rate is 5% off as it is quite easy to compensate for that
in software.

Miklos


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