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Re: [avr-gcc-list] inline asm problem


From: Artur Lipowski
Subject: Re: [avr-gcc-list] inline asm problem
Date: Thu, 12 Feb 2004 08:24:49 +0100
User-agent: Mozilla Thunderbird 0.5 (Windows/20040207)

whiteman wrote:

> hi,all:
>        I want to write a simple inline asm statement in "main" function. but 
> when compiling the source, I always received a error message "pwm.c:27: 
> error: impossible constraint in `asm'". what's meaning? 
> My inline asm is : 
>                       asm volatile("sbi 0,1" : "=I"(PORTC) : "I"(6));

Your case is described in the avr-libc documentation, read it please.
Hint: Related Pages/Inline Asm/GCC asm Statement

Regards,
-- 
Artur Lipowski


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