[Tinyos-devel] Copying directly from RxFIFO to TxFIFO of CC2420

[Sagar Bijwe]

I am using telos platform by the way.

On Thu, Aug 14, 2008 at 2:26 AM, Sagar Bijwe <sag.bijwe at gmail.com> wrote:

> I should have elaborated more. I just needed to know whether there exists a
> control command (i could not find in CC2420 datasheet)  to transfer data
> directly from rxbuffer to txbuffer. I don't want to use any external kit for
> the purpose of programming CC2420. Driver level modifications can be handled
> once i know that such a command exists. According to current implemenation,
> we have to first copy pkt from rxbuffer to msp & then to txbuffer (this
> makes spi bus bottleneck). I want to remove this critical path. Thanks for
> your response anyway.
>
> -Sagar Bijwe
> Research:here <http://sag.bijwe.googlepages.com/mtp>
>
>
> On Thu, Aug 14, 2008 at 2:04 AM, Eric Decker <cire831 at gmail.com> wrote:
>
>> How are you going to do that without programming the CC2420?
>> There has to be somekind of control signalling which has to touch the
>> CC2420.
>> And there are state implications as well.
>>
>> It has to hook through the driver.  Starting with the CC2420 driver will
>> be necessary.
>>
>> eric
>>
>>
>> On Wed, Aug 13, 2008 at 12:39 PM, Sagar Bijwe <sag.bijwe at gmail.com>wrote:
>>
>>> Is there a way to copy directly from RxFIFO of CC2420 to TxFIFO?
>>> I'm looking for the improved pkt forwarding without programming CC2420
>>> itself.
>>>
>>>
>>> - Sagar Bijwe <http://sag.bijwe.googlepages.com/home.html>
>>>
>>>
>>>
>>> _______________________________________________
>>> Tinyos-devel mailing list
>>> Tinyos-devel at millennium.berkeley.edu
>>> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-devel
>>>
>>>
>>
>>
>> --
>> Eric B. Decker
>> Senior (over 50 :-) Researcher
>> Autonomous Systems Lab
>> Jack Baskin School of Engineering
>> UCSC
>>
>>
>
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