hi miklos,

in the meantime, on shimmers you can certainly wire in FastClockC, which 
uses the platform's 8mhz xt2 and runs smclk at 4mhz, which will divert 
data bottlenecks away from the spi bus...

$0.02,

steve

On 04/21/2011 04:50 AM, Miklos Maroti wrote:
> Hi Michiel,
>
> I think creating another platform is a very bad idea. I would like to
> use the fast SPI interface on both the shimmer2 and shimmer2r
> platforms, and possibly get the cc2420x driver working to improve the
> throughput. Do you think one needs to have a new platform for those as
> well?
>
> Miklos
>
> On Wed, Apr 20, 2011 at 6:32 PM, Michiel Konstapel
> <m.konsta...@sownet.nl>  wrote:
>>>>> I will put together a telos-specific code that allows for choosing
>>>>> compile time whether a) SMCLK should be DCO or DCO/4 (default), and
>>> b)
>>>>> selecting the timer configurations (timerB->32khz timerA->micro
>>> being
>>>>> the default).
>>>>
>>>> Why compile time?   I would think given a platform configuration it
>>> should
>>>> just always be that way for the given platform.
>>> Certainly so for new platforms, but not for the telos. There's just
>>> too many applications that depend on the current cc2420 stack. So
>>> choosing the cc2420x stack must be a compile time option.
>>
>> If we assume a "platform" is hardware plus software (including configuration 
>> of said hardware), couldn't you just define a new platform (say, telosx) 
>> which has telosb (or similar) hardware, but the cc2420x radio stack, faster 
>> default DCO, etc.? That way, you don't break any old code and you're free to 
>> implement improvements on top of the old hardware. If people want the new 
>> features, they'd have to explicitly port over their app to the new platform, 
>> or at least check that their assumptions still hold when they type "make 
>> telosx" instead of "make telosb".
>> Michiel
>>
>
> _______________________________________________
> tinyos-msp430 mailing list
> tinyos-msp...@millennium.berkeley.edu
> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-msp430
_______________________________________________
Tinyos-help mailing list
Tinyos-help@millennium.berkeley.edu
https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help

Reply via email to