context:
********
I want to find out, how fast I can broadcast packets with the CC2420
Radio on the Tmote platform (under the newest TinyOS-2.x from cvs).
Therefore I send a packet burst of the same packet and measure the time
at the sender (send->sendDone-event) and at a receiver(receive-event or
SFDpinUp->SFDpinDown).
My implementation is working if I use AMSend for every single packet of
the burst. But now I want to make it faster and use
CC2420Transmit.resend(...)
Actually, I don't care about seq-no. or acks. (all acks turned off
anyway). I just want the receiver to get the payload of any broadcasted
package.
questions:
*********
Can I just use AMSend.send(AM_BROADCAST_ADDR, &pkt, paylen) and than use
CC2420Transmit.resend(FALSE) as long as I want to resend the packet at
&pkt? (to generate a packet burst of that packet)
And will the CC2420 detect each packets separately? Or will it detect
only the first such package and then discard all the following?
(There are obviously different meanings of "detect": SFD pin behavior,
TinyOS CC2420 behavior, TinyOS ActiveMessage behavior)
Thank you in advance for any answers, clues, pointers to instruction.
M.
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