On 12 July 2011 06:23, Øyvind Harboe <[email protected]> wrote:
> Problem: CFI flashes can be quite slow. 200kBytes erase + 100kBytes write
> are not uncommon limitations => maximum theoretical performance
> of 66kBytes/s erase+write speed.
>
> With a 16mByte flash, this means 4 minutes best case.
>
> Alternative approach: upload an application to RAM that contains
> the entire image and flashes it to RAM.
>
> The advantage is that one can disconnect OpenOCD as soon as
> the RAM image is uploaded, but leave the power on.
>
> Uploading to RAM is much faster. As fast as 1mByte/s or so. A >10x
> improvement :-)
>

if we made the write algo buffer size tweak-able then we get the same effect.

Cheers
Spen
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