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fix: timerRead() is returning the last read value, not the actual #3434 (#5498)

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Lori 2021-08-23 16:19:37 +02:00 committed by GitHub
parent 29455a0447
commit 94809ce38b
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1 changed files with 2 additions and 1 deletions
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cores/esp32/esp32-hal-timer.c
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@ -119,8 +119,9 @@ void ARDUINO_ISR_ATTR __timerISR(void * arg){
} }
} }
uint64_t timerRead(hw_timer_t *timer){ uint64_t inline timerRead(hw_timer_t *timer){
timer->dev->update = 1; timer->dev->update = 1;
while (timer->dev->update) {};
uint64_t h = timer->dev->cnt_high; uint64_t h = timer->dev->cnt_high;
uint64_t l = timer->dev->cnt_low; uint64_t l = timer->dev->cnt_low;
return (h << 32) | l; return (h << 32) | l;