On Tue, Mar 06, 2007 at 08:28:36PM -0300, Mauricio Jancic wrote:
> Hi,
> 	I modifying a C code for an ATMEL chip, and I found this statement:
> 
> if(!(PINB & (1<<PB1)))
> 
> 	Whats that? Specially the (1<<PB1) that I cant seem to figure out...

It shifts a bit over PB1 positions. Generally used to create a bit mask.

BAJ
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