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avr: minor changes to watchdogOn (not used, yet).

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This commit is contained in:
Martin Preuss
2023-04-22 16:38:03 +02:00
parent 4bf20fb032
commit 1893d50908
1 changed files with 8 additions and 2 deletions
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10
avr/common/watchdog.asm
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@@ -17,8 +17,11 @@
watchdogOn: watchdogOn:
in r16, WDTCSR ldi r16, (1<<WDE) | (1<<WDP0) ; about 32ms period
ori r16, (1<<WDE) | (1<<WDP0) ; about 32ms period out WDTCSR, r16
ldi r16, (1<<WDP0) ; about 32ms period
out WDTCSR, r16
ori r16, (1<<WDE)
out WDTCSR, r16 out WDTCSR, r16
ret ret
@@ -26,6 +29,9 @@ watchdogOn:
watchdogOff: watchdogOff:
wdr ; reset WDT wdr ; reset WDT
ldi r16, (0<<WDRF) ; clear WDRF bit in MCUSR
out MCUSR, r16
in r16, WDTCSR in r16, WDTCSR
ori r16, (1<<WDCE)|(1<<WDE) ori r16, (1<<WDCE)|(1<<WDE)
push r15 push r15