[riot-devel] RIOT-OS on ARM SAM3X8E?

Zac Harvey zharvey at pobox.com
Tue May 19 18:31:26 CEST 2015


Thanks for clearing that up Hauke - makes perfect sense!

On 5/19/2015 12:29 PM, Hauke Petersen wrote:
> Hi Zac,
>
> I think you got something wrong: the Arduino-due is indeed based on 
> the Atmel SAM3X8E which is based on an ARM Cortex-M3 with *~96kB* RAM 
> and *~512kB*  Flash. The RPi on the other hand has nothing at all to 
> do with the Atmel SAM3X8E. Instead it is base on some Broadcom Arm-A11 
> SoC with (depending on the version) *~512MB* of RAM and some 
> *Gigabyte* of memory... So they have nothing in common.
>
> The nature of RIOT is, that it is focusing on very constrained 
> micro-controller platforms, where the Arduino-due is already on the 
> upper scale... So basically: "If your device runs Linux (like the 
> RPi), then run Linux!". For everything that can't, run RIOT :-)
>
> Cheers,
> Hauke
>
> On 19.05.2015 18:00, Zac Harvey wrote:
>> I was surprised to see Arduino Due (an SAM3X8E-based chip) on your 
>> list of supported platforms, but not Raspberry Pi (any 
>> model/version), which is also based on SAM3X8E.  On the "Future 
>> Hardware Platforms" wiki page 
>> (https://github.com/RIOT-OS/RIOT/wiki/Future-Hardware-Platforms) I 
>> see RPi mentioned with a bulleted list of items/todos/notes.
>>
>> While I like the Due, the sheer power and RAM capacity of the RPi is 
>> enticing to me.  I would have thought that making RIOT-OS compatible 
>> for Arduino Due would have crossed RPi off the list as well since 
>> they are both SAM3X8E-based.
>>
>> What would I need to do to get RPi supported? What if I am interested 
>> in supporting other SAM3X8E boards as well?
>>
>> -Zac
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