[mc1322x] [Contiki-developers] mc1322x, Issues with TCP fragments

[Jon Smirl]

On Mon, Nov 23, 2009 at 3:48 PM, Adam Dunkels <adam at sics.se> wrote:
> Given the large amount of debug printfs in your other mails, I wouldn't
> be surprised if the printouts are the villain...

I disabled the low level putchar and received no printf output. That
didn't fix it so there must be more to it. It still failed in exactly
the same way.

>
> /adam
>
> Jon Smirl wrote:
>> We can't receive the back to back TCP fragments fast enough. Half of
>> them are getting dropped.
>>
>> First thing I'll look at is the printf implementation and see if it is
>> interrupt driven or busy waiting.
>> After that I'll need to look into receive DMA.
>>
>
> --
> Adam Dunkels <adam at sics.se>, +46707731614
> http://twitter.com/adunk | http://www.sics.se/~adam/
>
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-- 
Jon Smirl
jonsmirl at gmail.com