[Diy_efi] Hexfile Map Structures

Stephan Helbig sthl at gmx.de
Thu Dec 19 10:35:38 GMT 2002


Hello,

Maybe someone can give me a little hint on that:
I'm working on several Bosch ECU hexfiles and already found out several
maps which are said to have a DAMOS structure: number of x-markers,
number of y-markers; x-values, y-values; map values (z-values). With
this I can draw a 3-dimensional graph.
Anyway this only works when I can clearly differentiate between
programmed and non-programmed (FFFFF) sections. Many Bosch files however
seem to have the maps within other programmed sections so one cannot
start from the beginning of them. There must be a map-marker value at
the beginning of each map (as far as I'm correct here) and also the
structure seems to be different.
Does anyone know about different structures in hexfiles and how they
work if you want to find and define distinct maps?

Any help would be much appreciated.

Stephan


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