Vanderbilt has written a library to do this, you may want to check out
contrib/vu

-Joe


On Mon, 14 Mar 2005 15:38:39 -0500, mingli <[EMAIL PROTECTED]> wrote:
>  
>  
> 
> Hello guys, 
> 
>   
> 
> I am working on a project about time synchronization between micaz nodes.
> Basically we want to insert a timestamp into outgoing packet when the radio
> begins to send it out, therefore we can know what is the exactly time of
> sending the packet into air. However, since CC2420 is packet level, we have
> to change the fifo queue in the flesh of CC2420 when the packet is being
> sent out. This seems a little tricky. Does tinyos have any library to
> support this, or anyone else has done this before? 
> 
>   
> 
> Thanks a lot! 
> 
>   
> 
> Ming 
> 
>   
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> Tinyos-users@Millennium.Berkeley.EDU
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> 
> 
>
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