Javier Almansa Sobrino wrote:
The problem is I can't understand the malfuncion of malloc... :-S
Usually malloc() get nuts when you free() a wrong pointer, or you
overwrite some bytes just around an allocated area: depending of the
implementation of malloc, bytes around the malloc'ed area hold
information for malloc() itself (I dunno for avr-libc however). IMHO you
should dig more to find your bug, it may not be related directly to
malloc(), for instance you may overwrite some area of RAM and, actually,
this area holds some data for malloc(). This overwriting may occur
during interrupts, or whatever code is activated outside the sample you
have posted here.
So changing your memory usage by moving to statically allocated memory
may just 'hide the dirt underneath the carpet' :-)
Bernard
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