On Feb 23, 2010, at 7:43 PM, Yi Tang wrote: > Hi All, > > I read ticksPerSecond() function in TOSSIM and found it returns > 10000000000ULL via sim_ticks_per_sec(). > > I'm wondering why the value is set to that. Does it associate with > any specific real-world phenomena (like micro-controller or cc2420 > frequency)? Or there are any simulator design considerations?
Good question. I can't recall the *exact* reason, but it had to do with finding the smallest value that two different time constants could evenly divide (so could be represented as an integer number of ticks). I can't recall what those two values were. Phil _______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
