[Tinyos Core WG] TEP102 and binary vs decimal units

[Philip Levis]

On Mon, 2007-05-21 at 16:05, David Gay wrote:
> I'm finally getting to some final revisions for TEP 102, and the only
> real open issue is the "binary vs decimal" milli and micro second one.
> There's been a bunch of discussion on this, but I'm not clear we
> really reached consensus. Two options:
> 
> - Leave the current TEP 102 more or less as is, i.e., our units are
> defined as 1/1024s, 1/32768s and 1/1048576s (TMilli, T32khz, TMicro)
> 
> - Switch to the correspondiong decimal units (1/1000s, 1/32000s, 1/1000000s)
> 
> In practice, no implementations need change, as there's verbiage about
> accuracy being loose.
> 
> FWIW, on mica platforms the actual units (w/o drift or temperature
> effects) are 1/1024s, 1/28800s and 7.37/8000000s. On telos, I believe
> it's 1/1024s, 1/32768s and 1/1000000s.
> 
> If nobody answers this week, I'll switch TEP102 to the decimal units.

The consensus was to stick with the binary units, with the understanding
that additional types could always be added for decimal units when/if
needed.

Phil