Merge pull request #3036 from Linjieqiang/fix_stm32hal_rtc_error

bsp: fix stm32 rtc hal library error.
2019-09-05 08:05:50 +08:00 · 2019-09-05 08:05:50 +08:00 · 42248d81e5
parent 9ce84eddc1 dce37d0b4b
commit 42248d81e5
1 changed files with 3 additions and 0 deletions
--- a/bsp/stm32/libraries/HAL_Drivers/drv_rtc.c
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_rtc.c
@ -110,6 +110,9 @@ static rt_err_t rt_rtc_config(struct rt_device *dev)
 #endif
    HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);

+    /* Enable RTC Clock */
+    __HAL_RCC_RTC_ENABLE();
+
    RTC_Handler.Instance = RTC;
    if (HAL_RTCEx_BKUPRead(&RTC_Handler, RTC_BKP_DR1) != BKUP_REG_DATA)
    {