[Tinyos-help] Documentation regarding exact contents of the MAC Protocol Data Unit frame

[Pedro Almeida]

Hello, Alexander!

Yes, you are right, apparently the SHR is not included in the frame that is
sent into the serial port! The initial (and last) bytes are merely sync
bytes. Now i just have to decode the rest!

Thank you!

Sincerely,

Pedro

On 6/13/07, Alexander Becher <becher at i4.informatik.rwth-aachen.de> wrote:
>
> * Pedro Almeida:
> >I then have 9 bytes from the MHR, adding to 1 from length (PHR) and
> >the 5 from the Synchronization Header
> >(SHR), assuming (I don't think I'm mistaken here) the I-frame is not in
> use,
>
> The synchronisation header is not part of the data you get from the
> radio chip. There is a new modulation for ZigBee, which has a different
> SHR made up of fractional bytes ...
>
> Regards,
> Alexander
>
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