bsp: fix stm32 rtc hal library error.

2019-09-04 10:08:34 +08:00 · 2019-09-04 10:08:34 +08:00 · dce37d0b4b
commit dce37d0b4b
parent 03f8762e28
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)
    {