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Re: [avr-libc-dev] Help with __ASSEMBLER__ usage in device header files

From: Frédéric Nadeau
Subject: Re: [avr-libc-dev] Help with __ASSEMBLER__ usage in device header files
Date: Tue, 21 Sep 2010 07:35:10 -0400


Is this the same problem as this:

Frédéric Nadeau ing. jr

On Tue, Sep 21, 2010 at 5:40 AM, Boyapati, Anitha
<address@hidden> wrote:
> Hi,
> Many header files use __ASSEMBLER__ (predefined macro automatically set by 
> gcc front end when processing assembly files) to protect some macros. As far 
> as I notice, ADC is mostly protected. For e.g., the change introduced in the 
> below link does that.
> http://svn.savannah.nongnu.org/viewvc/trunk/avr-libc/include/avr/iom8.h?root=avr-libc&r1=274&r2=280
> #ifndef __ASSEMBLER__
>        #define ADC _SFR_MEM16(...)
> #endif
> Can someone explain why this is intended only for ADC and that too only for 
> some devices? (For e.g., iom32u4.h doesn't have)
> Thanks
> Anitha
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