Merge pull request #3740 from jeromecoutant/PR_L4_RTC

sg- · web-flow · commit 99dda9a60b85 · 2017-02-17T09:12:01.000-06:00
STM32L4 HAL update for RTC Wake Up Timer
diff --git 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 */

Original file line number	Diff line number	Diff line change
`@@ -1123,9 +1123,12 @@ HAL_StatusTypeDef HAL_RTCEx_SetWakeUpTimer_IT(RTC_HandleTypeDef *hrtc, uint32_t`
`1123`	`1123`	`}`
`1124`	`1124`	`}`
`1125`	`1125`	`}`
`1126`		`-`
	`1126`	`+ /* Disable the Wake-Up timer */`
`1127`	`1127`	`__HAL_RTC_WAKEUPTIMER_DISABLE(hrtc);`
`1128`	`1128`
	`1129`	`+ /* Clear flag Wake-Up */`
	`1130`	`+ __HAL_RTC_WAKEUPTIMER_CLEAR_FLAG(hrtc, RTC_FLAG_WUTF);`
	`1131`	`+`
`1129`	`1132`	`tickstart = HAL_GetTick();`
`1130`	`1133`
`1131`	`1134`	`/* Wait till RTC WUTWF flag is set and if Time out is reached exit */`