[Tinyos-help] Help with Ack' s in CC2420TransmitP.nc

JUNG IL CHOI jungilchoi at gmail.com
Fri Dec 12 13:25:56 PST 2008


Hi,

Ramon Duato Navarro wrote:
>
>
> So , there are no retransmissions and you do the same signalling as if 
> you had received the ACK.
> Is that correct?
> Thanks in advance!
> Ramon.
>
>
That is correct. Signalling SendDone with SUCCESS means the packet is 
transmitted on the air, but does not tell you it's been acked. It must 
be checked by accessing the ack bit in the packet metadata, possibly 
through PacketAcknowledgement interface.

Thanks,
Jung Il



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