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Re: [avr-chat] SFRs in assembly code
From: |
Daniel Otte |
Subject: |
Re: [avr-chat] SFRs in assembly code |
Date: |
22 Jul 2009 19:47:28 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; de; rv:1.8.1.21) Gecko/20090331 Thunderbird/2.0.0.21 Mnenhy/0.7.6.666 |
Heike C. Zimmerer schrieb:
> It's UBRR0H (last two chars reversed). As it is written now, the
> assembler must assume that is an externally defined symbol (thus not a
> constant).
Thanks for the advice, but now I'm facing some troubles with <utils/setbaud.h>.
my config.h includes the following:
[...]
#include <avr/io.h>
#define F_CPU 16000000
#define UART0_BAUD_RATE 38400
[...]
I get the following errors:
uart_ni-asm.S: Assembler messages:
uart_ni-asm.S:27: Error: missing ')'
uart_ni-asm.S:27: Error: missing ')'
uart_ni-asm.S:27: Error: missing ')'
uart_ni-asm.S:27: Warning: constant out of 8-bit range: 16000008
[...]
while line 27 is:
ldi r24, UBRRH_VALUE
thanks very much,
Daniel
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- [avr-chat] SFRs in assembly code, Daniel Otte, 2009/07/22
- Re: [avr-chat] SFRs in assembly code, Heike C. Zimmerer, 2009/07/22
- Re: [avr-chat] SFRs in assembly code,
Daniel Otte <=
- Re: [avr-chat] SFRs in assembly code, Heike C. Zimmerer, 2009/07/22
- Re: [avr-chat] SFRs in assembly code, Daniel Otte, 2009/07/22
- RE: [avr-chat] SFRs in assembly code, Weddington, Eric, 2009/07/22
- RE: [avr-chat] SFRs in assembly code, Weddington, Eric, 2009/07/22
- Re: [avr-chat] SFRs in assembly code, Daniel Otte, 2009/07/22
- Re: [avr-chat] SFRs in assembly code, Heike C. Zimmerer, 2009/07/23