[En-Nut-Discussion] Hardware Register Access Using Volatile Pointer

Harald Kipp harald.kipp at egnite.de
Tue Apr 26 14:26:16 CEST 2011

On 4/26/2011 12:59 PM, Bernd Walter wrote:
> On Tue, Apr 26, 2011 at 09:33:26AM +0200, Harald Kipp wrote:
>> int dummy;
>> ...
>> dummy = inr(TC0_SR);
> (void) dummy;

What? Is this some secret in the language I'm not aware of, or just a 
typo, meaning

  (void) inr(TC0_SR);

Still I can't follow. GCC 4.6 doesn't like unused local variables, it 
doesn't require to to cast the function result.



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