In a glance, You are starting the timer with a 5000 millisecond at the
Boot.booted event
Saludos
Martín René Vilugrón
Patagonia Argentina
On Sun, Sep 28, 2008 at 3:38 PM, Rediviva Goth <[EMAIL PROTECTED]>wrote:
> Thanks for your answer, but now I have another problem: I have two
> kinds of telosB Motes, the first sends a message every second and the
> second motes sends a message every five seconds and it is always
> listening. The second mote has the following code:
>
> event void Boot.booted ( )
> {call RadioControl.start ( );
> call LowPowerListening.setLocalSleepInterval (5000);
> call Timer.startPeriodic (5000);
> }
>
> event void RadioControl.startDone (error_t error) { }
>
> event void RadioControl.stopDone (error_t error) { }
>
> event void Timer.fired ( )
> {call Leds.led0Toggle ( );
> call AMSend.send (AM_BROADCAST_ADDR, &sendbuf, sizeof local);
> }
> event void AMSend.sendDone (message_t* msg, error_t error) { }
>
> event message_t* Receive.receive (message_t* msg, error_t error)
> {call Leds.led1Toggle ( );
> return msg
> }
>
> I don't understand why the yellow LED toggles every five seconds
> instead to toggle every second. Can someone explain me why and how to
> solve the problem?
>
> Sarah Rediviva
>
>
> 2008/9/25 David Moss <[EMAIL PROTECTED]>:
> > Are you compiling in the low power listening layer with the stack? By
> > default it is not there to save ROM for apps that don't need it. Add
> "lpl"
> > to your make command, like "make telosb lpl" or just add
> > "CFLAGS+=-DLOW_POWER_LISTENING" to your Makefile to add in the LPL layer.
> > You'll see a warning telling you the LPL layer has been compiled in.
> >
> > You should only have to call setLocalSleepInterval once at the start of
> your
> > application. After that, the layer in the radio stack responsible for
> > managing radio power will automatically put the radio back to sleep when
> no
> > more activity is found on the channel.
> >
> > The amount of time the radio is awake after activity is programmable by
> > editing the DELAY_AFTER_RECEIVE preprocessor variable found in
> DefaultLpl.h
> > (in the latest stack version).
> >
> > -David
> >
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On Behalf Of
> Rediviva
> > Goth
> > Sent: Thursday, September 25, 2008 12:18 PM
> > To: tinyos-help@millennium.berkeley.edu
> > Subject: [Tinyos-help] CC2420 energy consumptions
> >
> > Hi to all
> > I am an engineering student and I'm studying consumptions for the
> > CC2420 radio. I have noticed that
> >
> > energy consumptions are very high and I tried to use LPL interface to
> > reduce consumptions.
> > In my test program I switched the radio, I set the timer and when it
> > is called the event fired I send
> >
> > data to another mote. Every time I send data invoke the command
> > setLocalSleepInterval to avoid
> >
> > unnecessary energy consumptions of radio, but consumption remains
> unchanged.
> > How should I use interface LPL? someone can show me an example code if
> > it is possible?
> > Thank you
> >
> > Sarah Rediviva
> > _______________________________________________
> > Tinyos-help mailing list
> > Tinyos-help@millennium.berkeley.edu
> > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
> >
> >
> _______________________________________________
> Tinyos-help mailing list
> Tinyos-help@millennium.berkeley.edu
> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
>
_______________________________________________
Tinyos-help mailing list
Tinyos-help@millennium.berkeley.edu
https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
