Well... i believe it's about time synchronization, isn't it? You need a "trusted" source of clocking in order to correct your drift. Am i wrong?
raf 2009/7/17 Eric Decker <[email protected]> > on the telosb it is done once on boot and then not done again. > in other words it is something you have to figure out how to provide. Most > of the pieces are in the code. > > eric > > On Fri, Jul 17, 2009 at 4:03 PM, Raffaele Gravina < > [email protected]> wrote: > >> Which is the easiest way to correct it? Does TinyOS provide with a >> specific api/component or is something one would do by himself? >> - Raf >> >> 2009/7/17 Michael Schippling <[email protected]> >> >> One would have to look at the specs for the crystal used >>> but something like .1% (or less) sticks in mind. Whatever >>> it is, it seems small but actually leads to significant drift >>> if not frequently corrected. >>> >>> MS >>> >>> Yi-Tao Wang wrote: >>> > Hi, >>> > >>> > Does anyone know the clock skew I can expect from a tmote sky? >>> > >>> > Thanks, >>> > >>> > David >>> > _______________________________________________ >>> > Tinyos-help mailing list >>> > [email protected] >>> > >>> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help >>> _______________________________________________ >>> Tinyos-help mailing list >>> [email protected] >>> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help >> >> >> _______________________________________________ >> Tinyos-help mailing list >> [email protected] >> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help >> > > > > -- > Eric B. Decker > Senior (over 50 :-) Researcher > Autonomous Systems Lab > Jack Baskin School of Engineering > UCSC > > -- Raffaele Gravina | Research Engineer Wireless Sensor Networks Lab Berkeley 2000 Hearst Ave, suite 304 Berkeley, CA 94709 +1 510 666 0174 ext. 101
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