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Re: [AVR-Chat] REVERSE ENGINEERING

2009-06-24 by Dennis Clark

> I have a automobile interface PC to PCM that I am trying to reverse
> engineer, the microcontroller is an ATmega 323L, I want to modify the
> firmware controlling the processor. I gave myself a quick lesson in ISP
> Programming. I now know that I know enough to get myself in trouble. I am
> looking for help and am willing to pay in order to avoid the inevitable
> pitfalls. any takers?

  Unless you are only trying to change a couple of constants in the code
your odds of success here are pretty marginal.  The code may not have
been written in assembly, and assembly instructions are all that you
will be able to read back.  I've yet to see an assembly to C translator
or assembly to Basic translator, depending upon the original language
the developers used to create the code.

DLC
-- 
Dennis Clark
TTT Enterprises

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