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Merge pull request #782 from ejoerns/pull-req/avr-mcucsrfix

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[avr] Removed usage of deprecated MCUSR
This commit is contained in:
Fredrik Österlind 2014-11-13 10:25:30 +01:00
parent bfc217fbd0 8cc0bb8a1e
commit 03a923b6b9
2 changed files with 15 additions and 12 deletions
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14
cpu/avr/bootloader.c
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@ -9,10 +9,12 @@
#include <avr/interrupt.h> #include <avr/interrupt.h>
#include <avr/eeprom.h> #include <avr/eeprom.h>
/* Not all AVR toolchains alias MCUSR to the older MSUSCR name */ /* MCUSR is a deprecated name but older avr-libc versions may define it */
#if !defined (MCUSR) && defined (MCUCSR) #if !defined (MCUCSR)
#warning *** MCUSR not defined, using MCUCSR instead *** # if defined (MCUSR)
#define MCUSR MCUCSR # warning *** MCUCSR not defined, using MCUSR instead ***
# define MCUCSR MCUSR
# endif
#endif #endif
#ifndef EEPROM_MAGIC_BYTE_ADDR #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, /* If the reset source was the bootloader and the key is correct,
* clear it and jump to the bootloader * clear it and jump to the bootloader
*/ */
if(MCUSR & (1 << WDRF)) { if(MCUCSR & (1 << WDRF)) {
MCUSR = 0; MCUCSR = 0;
if(Boot_Key == MAGIC_BOOT_KEY) { if(Boot_Key == MAGIC_BOOT_KEY) {
Boot_Key = 0; Boot_Key = 0;
wdt_disable(); wdt_disable();

13
cpu/avr/watchdog.c
View file

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