[Tinyos Core WG] TEP102 and binary vs decimal units

[Kevin Klues]

It wouldn't have to be I guess.... I was just imagining a situation
where you would want to send your local time to a neighboring node for
time synchronization purposes.

Kevin

On 5/22/07, Joe Polastre <joe at polastre.com> wrote:
> Why would a "local time" ever be represented in nx_ types?  Seems like
> a blatent waste of resources and code space.
>
> -Joe
>
> On 5/22/07, Kevin Klues <klueska at gmail.com> wrote:
> > >
> > > Oh, and one more. Any objections to adding LocalTimeMilliC to the HIL
> > > requirements (provides LocalTime)? Was proposed by Cory, but hasn't
> > > been implemented or described in the TEP:
> > >
> >
> > It might make sense to extend the LocalTime interface to be able to
> > hold a time larger than 32 bits, as well as perform a number of
> > operations on the local time.
> >
> > i.e.
> > typedef nx_struct local_time16 {
> >   nx_uint16_t sticks; /* s: Ticks of 16 bit counter */
> >   nx_uint32_t mticks; /* m: Ticks incremented upon overflow of 16 bit counter */
> > } local_time16_t;
> >
> > typedef nx_struct local_time32 {
> >   nx_uint32_t sticks; /* s: Ticks of 32 bit counter */
> >   nx_uint32_t mticks; /* m: Ticks incremented upon overflow of 32 bit counter */
> > } local_time32_t;
> >
> > interface LocalTimeExtended<precision_tag, local_time_t> {
> >         async command local_time_t getNow();
> >         async command local_time_t add(local_time_t* t1, local_time_t* t2);
> >         async command local_time_t sub(local_time_t* t1, local_time_t* t2);
> >         async command int8_t compare(local_time_t* t1, local_time_t* t2);
> >         async command bool lessThan(local_time_t* t1, local_time_t* t2);
> >         async command bool greaterThan(local_time_t* t1, local_time_t* t2);
> >         async command bool equal(local_time_t* t1, local_time_t* t2);
> > }
> >
> > Kevin
> > _______________________________________________
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> > Tinyos-2.0wg at Mail.Millennium.Berkeley.EDU
> > https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-2.0wg
> >
>


-- 
~Kevin