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

From: Lars Noschinski
Subject: Re: [avr-gcc-list] Using PORTB with variables, PORTB = var
Date: Sat, 22 Apr 2006 08:30:33 +0200
User-agent: mutt-ng/devel-r790 (Linux)

* 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.

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