On Feb 27, 2008, at 12:11 PM, José Moyano wrote:
Yes, you are right. If so many people is using this compiler, must
be my error. I try hardcoding, and the error continues. Maybe an
optimization problem? I'm using -o0 (no optimization).
That would still be a compiler problem.
One more thing: Does C support coercion? Theoretically, I don't
need casting for my example. Or, at least, the compiler must throw
a warning or something. Do you use casting for all your 32-bit
statements?
On microcontrollers, the int type is often 16 bits, not 32 bits. So
you need coercion.
I've used casting for the comparison (mask != CAN_DEFAULT_MASK) but
the error continues.
Another clue: The error happens only when there are few sentences
betweens two (or more) calls to the routine. If I wait some time
for the second call, it works fine. However, as you can see in the
code, the routine doesn't need clock cycles to be called again.
Two steps:
1) Take a look at app.c
2) Take a look at the assembly
There have been compiler bugs in the past, but as far as I recall
they've all been on msp430-gcc.
Phil
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