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Re: [avr-libc-dev] ??Upgrade from 2005 to 2006 of WinAvr breaks ISR(_vec


From: Steve Franks
Subject: Re: [avr-libc-dev] ??Upgrade from 2005 to 2006 of WinAvr breaks ISR(_vector_default)??
Date: Sat, 22 Apr 2006 10:17:41 -0700

>
> > I get the following warning:
> >
> > main.cpp:92: warning: `_Z16__vector_defaultv' appears to be a
> > misspelled
> > signal handler
> >
> > When I try to compile:
> >
> > ISR(__vector_default) { puts("\nUI"); }
> >
> > On a Mega168.  I changed "SIGNAL" to "ISR", and changed #include
> > "avr/signal.h" to "avr/interrupt.h"
>
> Are you doing
>
> extern "C" {
> #include <avr/interrupt.h>
> }
>
>
> for the include?
>
> --
> Ned Konz
> address@hidden


Ah, Ned, you nailed it, almost. "extern C" around the include is not the
solution, but putting it around the ISR is! See below:

extern "C" {
     ISR(__vector_default) { puts("\nUI"); }
}

Is this the type of thing that one should do a avr-libc bug entry for?
Obviously not alot of C++ hackers out there.

Thanks for the leg-up,
Steve





--
Steve Franks, KE7BTE
Staff Engineer
Franks Development, LLC
http://www.franks-development.com
(520) 312-0089


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