Re: [avr-gcc-list] simple macro to dig w/ ports

[Bjarne Laursen]

Jkx wrote:

> I want to transform this:
> - sbi(PORTD,PD6)
> - to something like sbi(PD6) (yes i use a the old fashion
>  sbi/cbi code, because I'm a old fashion guy:)
>  
I often define 2 macros for each port pin like:

#define LED1_ON() PORTB|=0x40
#define LED1_OFF() PORTB&=~0x40

#define CS_ENABLE() PORTB&=~0x01
#define CS_DISABLE() PORTB|=0x01

that way I also abtract away from the polarity of the pin.

-Bjarne Laursen, RoseTechnology A/S