OLPC Laptop - an open source substandard ?

[Alex Gibson]

Ivan Krstić wrote:
> Gabor Dolla wrote:
>   
>> - The goal to have an open source solution. If the code will be free and
>> available what is the purpose of NDA ?
>>     
>
> The meshing code is inextricable from the RTOS currently used, which is
> commercial and proprietary. The RTOS is thus delivered as part of the
> meshing code for porting, and protecting the RTOS requires an NDA.
>   

The rtos is threadx ?
>   
>> - Marvell would hand over the full specs of the chip including the radio
>> part ? AFAIK usually the radio part is kept as a secret to make
>> regulators happy,,, Or the radio part would be in binary format ?
>>     
>
> Still being discussed.
>
>   
>> - 802.11 b/g is also implemented in software as in recent prism54 chips
>> (soft MAC)? The open source solutions should cover that part too ?
>>     
>
> Not sure about this bit. Michalis?
>
>   
>> - An underlying OS (ticket suggest TinyOS) is really needed ?
>>     
>
> Yes. I've recently received the suggestion that eCos, which is GPL'd,
> can be used for this purpose.
>   
There is also free rtos  -  freertos.org

Which has a port for arm9 (ports for arm7 as well) already like ecos
does but the footprint is a bit smaller
than ecos. Gives the choice of pre-emptive and co-operative real time
kernels

Its available under a modified gpl
http://www.freertos.org/a00114.html

Alex
>   
>> - 802.11s or batman is preferred ?
>>     
>
> We've chosen to go with 802.11s.
>
>   
>> - 802.11i is in the scope ?
>>     
>
> Not initially, as far as I know.
>
>   

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