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Re: [lpc2000] Re: Interrupt Handling (Vector checksum)

2004-11-18 by Robert Adsett

At 06:30 PM 11/18/04 +0000, you wrote:
>Did you ever solve the vector table checksum problem?  Like you, I've
>tried the algorithm described in the manual (the one you typed below)
>and the boot code won't start when the file is loaded with IAP.  From
>the description, the checksum covers the first 8 words.
>
>My application uses IAP for firmware updates, so long-term dependency
>on the Philips downloader is not an option.

Take a look at the source for Martin's LPC21ISP.  It does the calculation 
and it should be simple to adapt.

Robert

" 'Freedom' has no meaning of itself.  There are always restrictions,
be they legal, genetic, or physical.  If you don't believe me, try to
chew a radio signal. "

                         Kelvin Throop, III

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