Re: [avr-gcc-list] Using PORTB with variables, PORTB = var

[Lars Noschinski]

* address@hidden <address@hidden> [2006-04-22 08:09]:
>  How can I use the PORTB constant with variables? eg:
>
> while (1) {
>  var <<= 1;
>  PORTB = var
> }

This will work. But after seven iterations (if var is (u)int8_t), var
will be 0.

> That is what I'm trying to acheive.  I'd like to be able to do it with variables
> like I do above, but it doesn't seem to work.  Once I replace "var" with an
> actual number, it works as expected.

The problem lies probably elsewhere.