Well, do you mean all the power-saving functions and modules are just
for conceptual use but without really switching the AVR MCU into sleep
mode?

Ivan

On 1/13/06, Harri Siirtola <[EMAIL PROTECTED]> wrote:
>
> That's interesting. Looking at CountSleepRadio, all it does is call
> Enable() in the init(), then for every timer interrupt it just calls
> GenericComm.stop(). And the consumption drops below 50uV between transmits.
>
> I've always thought the lower levels take care of calling both Enable() and
> AdjustPower(). Anyway, a fact is that power saving modes don't work in
> MicaZ applications, even though there are many compiler switches and naming
> conventions that make you believe they do.
>
> Regards,
>
>         Harri
>
> At 05:28 PM 1/12/2006 -0500, Razvan Musaloiu-E. wrote:
> >Hi!
> >
> >In my application, disabling the radio reduced the power consumption from
> >~20mA to ~2mA (this is Idle mode). To get the MicaZ in the Power Save mode
> >I had to wired the HPLPowerManagementM and call the enable() function.
> >After that the consumption dropped to about 0.2mA.
> >
> >I hope this helps...
> >
> >--
> >Razvan ME
> >
> >On Wed, 11 Jan 2006, Harri Siirtola wrote:
> >
> > >
> > > Sorry, my previous reply was a bit confusing. Power saving is there by
> > > default in the latest installations, all you have to do is "stop" the 
> > > radio
> > > and serve pending interrupts (timers can be left running, of course).
> > > That's what you can see in the CountRadio apps.
> > >
> > > Regards,
> > >
> > >          Harri
> > >
> > > At 02:16 AM 1/11/2006 -0500, Ivan Wing Mau Cheung wrote:
> > > >Hi,
> > > >
> > > >The mote is used to keep track of light intensity but need a power-saving
> > > >solution to extend the battery life. Due to this constraint, the 
> > > >processor
> > > >Atmel ATmega128L cannot be changed to other states, such as Power Down or
> > > >Power Save. However, I am thinking of whether it is possible to power 
> > > >down
> > > >the antenna of Micaz since it still consumes large amount of power in
> > > >receiving mode. But I couldn't find any commands in TinyOS that allows me
> > > >to do so. Does anybody encounter this problem before? Does anybody have
> > > >any idea of conserving power according to this constraint?
> > > >
> > > >Thank you,
> > > >Ivan
> > >
>
>

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