[ell-i-developers] Re: Status report: IP and ARP work on real hardware -- but still WIP

  • From: Pekka Nikander <pekka.nikander@xxxxxx>
  • To: ell-i-developers@xxxxxxxxxxxxx
  • Date: Fri, 14 Mar 2014 15:18:48 +0200

>> Thanks to Ivan's efforts, IP and ARP now work now on real Ell-i hardware.  
>> To baton is now back to me, and I expect to get it merged to the master 
>> branch in Runtime either tomorrow or latest during the weekend.
> After fixing a couple of tiny bugs, also UDP works now and CoAP responds.  
> However, there is still something wrong with CoAP replies, Copper doesn't 
> process them.  I haven't pushed the latest changes yet.  Will continue 
> tomorrow.

It looks like the remaining problem is missing UDP checksums, otherwise CoAP 
seems to be working.  Apparently Mac OS X requires UDP checksums on received 
packets.  Adding good checksum code will take a while; most probably I won't 
get it done today.


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