Re: [Paparazzi-devel] Paparazzi on Linux and Lisa design questions

[Tilman Baumann]

Thanks.
I'm not sure if anything that complex should be my first contact with  
paparazzi but it sounds totally awesome.
Will see, I have to probably ease myself into this whole thing module  
by module, it is all happening under tight financial pressure. :)

But I guess when I have that board and try some examples, I will find  
out rather quick how it all fits together...

Regards
 Tilman

On 5 Aug 2010, at 21:51, antoine drouin wrote:

> Hello Tilman
>
> There's a block schematic of Lisa/L on the wiki
>
> http://paparazzi.enac.fr/wiki/Image:Lisa_bd.png
>
> As you see, the board contains a STM32 (cortexM3 @ 72Mhz) with all
> peripherals exposed ( UARTS, I2C, SPI, ADCs, CAN, input capture, PWMs)
> and a socket for a gumstix Overo ( OMAP3 at 600Mhz). The link between
> the two processor is done by SPI and served by DMA on both sides (so
> alot of bandwith with little CPU overhead).
> This architecture is designed to be flexible: the STM32 has the
> potential to run all the current Paparazzi software alone ( that would
> be one side of the spektrum ) or the STM32 can be used only as IO
> processor and you can run your autopilot on the Overo ( that would be
> the other end of the spektrum ). Of course anything in between is
> possible, like for example running stabilization on the STM32 and
> navigation on the Overo.
>
> I'm not sure if that answers your questions. Sorry for the late answer
>
> Regards
>
> Poine
>
> ps: I know the doc about Lisa sucks. I'm focusing on software those
> days but I promise I'll work on documentation as soon as possible
>
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