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esp_timer: use freertos critical section compliant APIs

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Some modules use esp_timer from interrupt context and hence
with vanilla FreeRTOS it should use correct critical section
API
This commit is contained in:
Mahavir Jain
2019-11-14 11:39:11 +05:30
parent 59d818c387
commit d0a37704a3
4 changed files with 44 additions and 6 deletions
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4
components/esp32/esp_timer_esp32.c
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@@ -211,7 +211,7 @@ uint64_t IRAM_ATTR esp_timer_impl_get_time(void)
void IRAM_ATTR esp_timer_impl_set_alarm(uint64_t timestamp)
{
portENTER_CRITICAL(&s_time_update_lock);
portENTER_CRITICAL_SAFE(&s_time_update_lock);
// Use calculated alarm value if it is less than ALARM_OVERFLOW_VAL.
// Note that if by the time we update ALARM_REG, COUNT_REG value is higher,
// interrupt will not happen for another ALARM_OVERFLOW_VAL timer ticks,
@@ -237,7 +237,7 @@ void IRAM_ATTR esp_timer_impl_set_alarm(uint64_t timestamp)
}
REG_WRITE(FRC_TIMER_ALARM_REG(1), alarm_reg_val);
} while (REG_READ(FRC_TIMER_ALARM_REG(1)) <= REG_READ(FRC_TIMER_COUNT_REG(1)));
portEXIT_CRITICAL(&s_time_update_lock);
portEXIT_CRITICAL_SAFE(&s_time_update_lock);
}
static void IRAM_ATTR timer_alarm_isr(void *arg)