I'm using interrupts and using the signal.h include as that looks like a
reasonably efficient way to dispatch interrupts from different sources -
however I want the interrupt code in a different file, so in my main
interrupt handling file I have:
(cut-down example)
extern SIGHANDLER(rtcHandler) ;
DEF_INTHIGH (high_int)
DEF_HANDLER (SIG_TMR1, rtcHandler)
END_DEF
and in a separate file:
SIGHANDLER (rtcHandler)
{
...etc
}
it compiles fine, but the assembler doesn't like it:
interrupts.asm:883:Error [113] Symbol not previously defined (_rtcHandler).
If I put everything in the same file it works fine.
Is this a limitation of the compiler/assembler, or it just failing to
output the neccessary extern references for an __interrupt function (which
SIGHANDLER expands to), or am I missing something terribly obvious!
Thanks,
Gordon
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