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[avr] Removed usage of deprecated MCUSR

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Since avr-libc 1.8.0 MCUSR is marked as poison as it was replaced by the
correct name MCUCSR.
Thus code still using the old MCUSR name does not compile anymore.

This commit replaces usages of former MCUSR by its new name MCUCSR and
modifies the alias fallback accordingly.
This commit is contained in:
Enrico Joerns 2014-08-30 01:58:18 +02:00
parent 2a0ccf2c6b
commit 8cc0bb8a1e
2 changed files with 15 additions and 12 deletions
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14
cpu/avr/bootloader.c
View File

@ -9,10 +9,12 @@
#include <avr/interrupt.h>
#include <avr/eeprom.h>
/* Not all AVR toolchains alias MCUSR to the older MSUSCR name */
#if !defined (MCUSR) && defined (MCUCSR)
#warning *** MCUSR not defined, using MCUCSR instead ***
#define MCUSR MCUCSR
/* MCUSR is a deprecated name but older avr-libc versions may define it */
#if !defined (MCUCSR)
# if defined (MCUSR)
# warning *** MCUCSR not defined, using MCUSR instead ***
# define MCUCSR MCUSR
# endif
#endif
#ifndef EEPROM_MAGIC_BYTE_ADDR
@ -69,8 +71,8 @@ Bootloader_Jump_Check(void)
/* If the reset source was the bootloader and the key is correct,
* clear it and jump to the bootloader
*/
if(MCUSR & (1 << WDRF)) {
MCUSR = 0;
if(MCUCSR & (1 << WDRF)) {
MCUCSR = 0;
if(Boot_Key == MAGIC_BOOT_KEY) {
Boot_Key = 0;
wdt_disable();

13
cpu/avr/watchdog.c
View File

@ -64,11 +64,12 @@
#include <avr/wdt.h>
#include <avr/interrupt.h>
//Not all AVR toolchains alias MCUSR to the older MSUSCR name
//#if defined (__AVR_ATmega8__) || defined (__AVR_ATmega8515__) || defined (__AVR_ATmega16__)
#if !defined (MCUSR) && defined (MCUCSR)
#warning *** MCUSR not defined, using MCUCSR instead ***
#define MCUSR MCUCSR
/* MCUSR is a deprecated name but older avr-libc versions may define it */
#if !defined (MCUCSR)
# if defined (MCUSR)
# warning *** MCUCSR not defined, using MCUSR instead ***
# define MCUCSR MCUSR
# endif
#endif
#if WATCHDOG_CONF_BALANCE && WATCHDOG_CONF_TIMEOUT >= 0
@ -82,7 +83,7 @@ watchdog_init(void)
/* Clear startup bit and disable the wdt, whether or not it will be used.
Random code may have caused the last reset.
*/
MCUSR&=~(1<<WDRF);
MCUCSR&=~(1<<WDRF);
wdt_disable();
#if WATCHDOG_CONF_BALANCE && WATCHDOG_CONF_TIMEOUT >= 0
stopped = 1;