Merge pull request #2154 from particle-iot/fix/gen2-rtc-thread-safety

[gen2] rtc: hal_rtc_get_time() is not thread-safe
particle-iot · Jul 20, 2020 · ee82be9 · ee82be9
2 parents e9e4758 + 1cf34bd
commit ee82be9
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/hal/src/stm32f2xx/rtc_hal.c b/hal/src/stm32f2xx/rtc_hal.c
@@ -183,9 +183,11 @@ int hal_rtc_get_time(struct timeval* tv, void* reserved) {
     RTC_TimeTypeDef RTC_TimeStructure;
     RTC_DateTypeDef RTC_DateStructure;
 
+    int32_t state = HAL_disable_irq();
     /* Get the current Time and Date */
     RTC_GetTime(RTC_Format_BIN, &RTC_TimeStructure);
     RTC_GetDate(RTC_Format_BIN, &RTC_DateStructure);
+    HAL_enable_irq(state);
 
     struct tm calendar_time = {0};