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Merge pull request #3036 from Linjieqiang/fix_stm32hal_rtc_error 

bsp: fix stm32 rtc hal library error.
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Bernard Xiong 2019-09-05 08:05:50 +08:00 committed by GitHub
parent 9ce84eddc1 dce37d0b4b
commit 42248d81e5
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1 changed files with 3 additions and 0 deletions
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3
bsp/stm32/libraries/HAL_Drivers/drv_rtc.c
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@ -110,6 +110,9 @@ static rt_err_t rt_rtc_config(struct rt_device *dev)
#endif #endif
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct); HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
/* Enable RTC Clock */
__HAL_RCC_RTC_ENABLE();
RTC_Handler.Instance = RTC; RTC_Handler.Instance = RTC;
if (HAL_RTCEx_BKUPRead(&RTC_Handler, RTC_BKP_DR1) != BKUP_REG_DATA) if (HAL_RTCEx_BKUPRead(&RTC_Handler, RTC_BKP_DR1) != BKUP_REG_DATA)
{ {