[ECOS] cyg_flash_program_mask

Andrew Lunn andrew@lunn.ch
Tue Feb 15 16:45:00 GMT 2011


> If I understand correctly, the cyg_flash_program() operation erases
> before program such that the resulting bit pattern in the Flash always
> represents the input bit pattern exactly, instead of being the result
> of an "and-mask" operation.

I think you are wrong. Take a look at the code. cyg_flash_program()
does not call any erase functions.

I've done exactly what you want to do in the past. I implemented an
log of panic messages which just appended to the end of the current
log. No API change was needed.

     Andrew

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