[mc1322x] 6LowPAN data payload

[Joakim Eriksson]

Jon Smirl skrev 2010-07-14 22:25:
> On Wed, Jul 14, 2010 at 4:24 PM, Mariano Alvira<mar at devl.org>  wrote:
>> On Wed, Jul 14, 2010 at 04:17:52PM -0400, Jon Smirl wrote:
>>> On Wed, Jul 14, 2010 at 3:12 PM, Mariano Alvira<mar at devl.org>  wrote:
>>>> On Wed, Jul 14, 2010 at 11:01:26AM -0400, Mariano Alvira wrote:
>>>>> On Wed, Jul 14, 2010 at 10:52:10AM -0400, Mariano Alvira wrote:
>>>>>
>>>>> I'm working on the slow ping times now --- there is a problem when the
>>>>> radio goes from RX ->  TX --- it looks like the first DMA transfer
>>>>> needs a little time to finish (or something...)
>>>>
>>>> Hey everyone,
>>>>
>>>> I've just push two major changes.
>>>>
>>>> The first are two important performance enhancements to the tx_packet
>>>> in the maca driver. Now tx_packet will force an interrupt if the maca
>>>> is idle, causing an immediate transmission. And it will also advance
>>>> the reception clock so that the current reception cycle will finish
>>>> immediately or after the current packet is done being received. This
>>>> also allows the reception cycle to be made much longer (since a
>>>> transmit can preempt it now --- you can wait for packets as long as
>>>> you want). This change has been pushed to libmc1322x and
>>>> contiki-mc1322x.
>>>
>>> Are you able to get AUTO mode working now?  I was never able to make it work.
>>
>> Yes, I got that working back when I did the big re-write.
>
>
> While it is all fresh in your mind you might want to look at energy
> detect and clear channel assessment.
> Are there other interesting MACA functions?
>

I agree, these would be great to have. Then we could start testing
if Contiki-MAC works (it makes heavy use of CCA checks).

Mariano: Great fixes by the way!


Best regards,
-- Joakim Eriksson, SICS

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