[En-Nut-Discussion] Nut OS reliable on AT91SAM7X Evaluation Board?

Ulrich Prinz uprinz2 at netscape.net
Sun Nov 15 13:04:01 CET 2009

Never mind,

I come back to your code next week. I'd like to implement PDC/DMA for 
the network and the SPI channels. If supported, I'd like to implement it 
for a background memcpy too.


Marcus Jansson schrieb:
> Oh, I should think before posting! And sorry for not getting the mails into threads.
> What I should have said in the previous post from me was:
> "For AT91SAM7X256 I have ADC PDC implemented, and PWMC too. But I have not done PDC implementations of the other PDC 
> channels. My code is not yet in the Nut/OS."
> I hope I didnt give anyone false hopes.
>  >> Wiegelmann wrote:
>  >>> I'm looking for hardwareplattform with a little bit more performance than Ethernut 1-2 but cheaper than 3 or EIR. 
> The At91Sam7x with the integrated network controller seems to ideal for me. Does anyone has experience with the 
> At91Sam7x- Eval Board and NutOs running? I think that a design with this processor could be a good and cheap replacement 
> for Ethernut1.3 or 2. What do you think?
>  >>
>  >> The bad thing is, that Nut/OS doesn't make use of all the goodies
>  >> offered by this chip [sam7x]. For example, PDC (DMA) is almost not implemented
>  >> in the drivers.
>  >
>  >I have implemented PDC (DMA) and also the PWMC unit for the AT91SAM7X256 Olimex board in Nut/OS.
>  >I think Ulrich Prinz is reviewing the code right now ;)
>  >Hopefully the code can make it into Nut/OS.
> Regards,
> Marcus
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