[En-Nut-Discussion] at91sam7x bloader

[Ole Reinhardt]

Hi,

> I've done a small test. Bootloader linked with NUT, ( ok, it's a first time
> test, space consuming etc... ) I've written a small xmodem uploader, what
> will
> upload the NUT app from hyperterm to address 0x4000. The loader read rs232
> and write flash successfully (seems) and jump to address 0x4000.
> I used my own usart function, without IRQs, no Nut's libs.
> 
> I modified the .ld script, so Nut app is linked to 0x4000, but no success,
> after the jump, it's not starting. 
> 
> My exact problem is, what other steps needed before the jump :)
> I'll try to found the answers from myself, but if anybody has an idea, it
> will speed up the things :)

I've done the same (xmodem bootloader) for the Ethernut 3.0 Board. If
you mind I could send you my code in PM. There is no encryption but a
quite good working xmodem / ymodem upload code and of course you can see
how the application will be started.

Best regards,

Ole

> Ps: Ole, do you received my patch about AHDLC on at91?

Yes! Thank you alot. I thought I just send you an answer?

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