>> So how do you re-bootload once Murphy has succeeded in bootloading an
>> image (with correct checksum) that refuses to bootload?
> 
> The bootloader is only for the convenience of our customers, so any
> firmware images will be thoroughly tested before being released.  In the
> lab or production facility we use a JTAG interface to program the
> devices.

That approach is (of course) feasible if the chance of uploading a 
non-cooperative image is 'sufficiently small' compared to the cost of 
re-programming using another mechanism (or the loss of the device).

Wouter van Ooijen

-- -------------------------------------------
Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: www.voti.nl/hvu

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