[Tinyos Core WG] Meeting: 3/14

[Joe Polastre]

The problem lies with TinyOS 2.x

With TinyOS 1.x, specifically the CountSleep application in
tinyos-1.x/apps/CountRadio, compiled with 'make tmote' yields:

8.84uA
9.01uA
8.94uA

on three randomly chosen RoHS motes without sensors at 3.15V supply
(two brand-new batteries).  The current consumption is about 1.5uA
lower at 2.7V supply.

You should check your initialization routine for TinyOS 2.x, sounds
like hardware pin configuration problem to me.

-Joe

On 3/20/07, Philip Levis <pal at cs.stanford.edu> wrote:
> On Mar 20, 2007, at 8:05 AM, Vlado Handziski wrote:
>
> > As promised, here is the average Null app current draw at 3.0V for
> > 3 tmote sky nodes randomly selected from our latest purchase. They
> > all had RoHS sticker on the transport bags:
> >
> > 36.96 uA
> > 36.73 uA
> > 36.87 uA
> >
> > the circuit board has the designation: H014-4787/0640
> >
>
> Did these have sensors populated? The ones I measured didn't.
>
> This puts the Telos minimum current over the micaz, even given its
> wakeup latency and current draw for low-rate timers...
>
> Phil
>
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