Merge pull request #3740 from jeromecoutant/PR_L4_RTC

STM32L4 HAL update for RTC Wake Up Timer
2017-02-17 09:12:01 -06:00 · 2017-02-17 09:12:01 -06:00 · 99dda9a60b
parent 69de788f94 2433b1ad95
commit 99dda9a60b
1 changed files with 4 additions and 1 deletions
--- a/targets/TARGET_STM/TARGET_STM32L4/device/stm32l4xx_hal_rtc_ex.c
+++ b/targets/TARGET_STM/TARGET_STM32L4/device/stm32l4xx_hal_rtc_ex.c
@ -1123,9 +1123,12 @@ HAL_StatusTypeDef HAL_RTCEx_SetWakeUpTimer_IT(RTC_HandleTypeDef *hrtc, uint32_t
      }
    }
  }
-
+  /* Disable the Wake-Up timer */
  __HAL_RTC_WAKEUPTIMER_DISABLE(hrtc);

+  /* Clear flag Wake-Up */
+  __HAL_RTC_WAKEUPTIMER_CLEAR_FLAG(hrtc, RTC_FLAG_WUTF);
+
  tickstart = HAL_GetTick();

  /* Wait till RTC WUTWF flag is set and if Time out is reached exit */