AVR-Chat

On Mon, 31 Jan 2005 14:21:19 +0100, Svenn Dahlstrøm <svenn@symetrics.no>  
wrote:

> I use ICCAVR and do it this way :
> #define setbit(ADDRESS,BIT) ((ADDRESS) |= (1<<(BIT)))
> #define clrbit(ADDRESS,BIT) ((ADDRESS) &= ~(1<<(BIT)))
> #define chkbit(ADDRESS,BIT) ((ADDRESS) & (1<<(BIT)))
> #define togglebit(ADDRESS,BIT) ((ADDRESS) ^= (1<<(BIT)))
> and write code like this :
> setbit(PORTA, 2);
> togglebit(PORTB, 6);
> clrbit(DDRC, 0);
> And this can be used to set, clear, check or toggle one bit on any  
> register
> or variable.
> Svenn


i like that. It's still not as clear to me as e.g. PORTB.1 but it is a very
good solution already.

thanks

ST