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driver/timer: only re-enable alarm in callback when auto reload is true

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closes https://github.com/espressif/esp-idf/issues/7001
This commit is contained in:
laokaiyao 2021-05-12 14:00:58 +08:00
parent 1e36383909
commit 9a14cf083f
1 changed files with 6 additions and 2 deletions
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8
components/driver/timer.c
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@ -216,8 +216,12 @@ static void IRAM_ATTR timer_isr_default(void *arg)
is_awoken = timer_obj->timer_isr_fun.fn(timer_obj->timer_isr_fun.args);
//Clear intrrupt status
timer_hal_clear_intr_status(&(timer_obj->hal));
//After the alarm has been triggered, we need enable it again, so it is triggered the next time.
timer_hal_set_alarm_enable(&(timer_obj->hal), TIMER_ALARM_EN);
//If the timer is set to auto reload, we need enable it again, so it is triggered the next time.
if (timer_hal_get_auto_reload(&timer_obj->hal)) {
timer_hal_set_alarm_enable(&(timer_obj->hal), TIMER_ALARM_EN);
} else {
timer_hal_set_alarm_enable(&(timer_obj->hal), TIMER_ALARM_DIS);
}
}
}
TIMER_EXIT_CRITICAL(&timer_spinlock[timer_obj->timer_isr_fun.isr_timer_group]);