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【修改】添加注释及模块化程序
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@ -87,7 +87,9 @@ static rt_err_t set_rtc_time_stamp(time_t time_stamp)
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LOG_D("set rtc time.");
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HAL_RTCEx_BKUPWrite(&RTC_Handler, RTC_BKP_DR1, BKUP_REG_DATA);
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#ifdef SOC_SERIES_STM32F1
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/* F1 series does't save year/month/date datas. so keep those datas to bkp reg */
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HAL_RTCEx_BKUPWrite(&RTC_Handler, RTC_BKP_DR2, RTC_DateStruct.Year);
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HAL_RTCEx_BKUPWrite(&RTC_Handler, RTC_BKP_DR3, RTC_DateStruct.Month);
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HAL_RTCEx_BKUPWrite(&RTC_Handler, RTC_BKP_DR4, RTC_DateStruct.Date);
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@ -120,13 +122,22 @@ static void rt_rtc_init(void)
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#ifdef SOC_SERIES_STM32F1
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/* update RTC_BKP_DRx*/
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static void rt_rtc_bkp_update(void)
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static void rt_rtc_f1_bkp_update(void)
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{
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RTC_DateTypeDef RTC_DateStruct = {0};
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HAL_PWR_EnableBkUpAccess();
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__HAL_RCC_BKP_CLK_ENABLE();
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RTC_DateStruct.Year = HAL_RTCEx_BKUPRead(&RTC_Handler, RTC_BKP_DR2);
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RTC_DateStruct.Month = HAL_RTCEx_BKUPRead(&RTC_Handler, RTC_BKP_DR3);
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RTC_DateStruct.Date = HAL_RTCEx_BKUPRead(&RTC_Handler, RTC_BKP_DR4);
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RTC_DateStruct.WeekDay = HAL_RTCEx_BKUPRead(&RTC_Handler, RTC_BKP_DR5);
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if (HAL_RTC_SetDate(&RTC_Handler, &RTC_DateStruct, RTC_FORMAT_BIN) != HAL_OK)
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{
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Error_Handler();
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}
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HAL_RTC_GetDate(&RTC_Handler, &RTC_DateStruct, RTC_FORMAT_BIN);
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if (HAL_RTCEx_BKUPRead(&RTC_Handler, RTC_BKP_DR4) != RTC_DateStruct.Date)
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{
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@ -201,17 +212,8 @@ static rt_err_t rt_rtc_config(struct rt_device *dev)
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#ifdef SOC_SERIES_STM32F1
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else
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{
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RTC_DateTypeDef RTC_DateStruct = {0};
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RTC_DateStruct.Year = HAL_RTCEx_BKUPRead(&RTC_Handler, RTC_BKP_DR2);
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RTC_DateStruct.Month = HAL_RTCEx_BKUPRead(&RTC_Handler, RTC_BKP_DR3);
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RTC_DateStruct.Date = HAL_RTCEx_BKUPRead(&RTC_Handler, RTC_BKP_DR4);
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RTC_DateStruct.WeekDay = HAL_RTCEx_BKUPRead(&RTC_Handler, RTC_BKP_DR5);
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if (HAL_RTC_SetDate(&RTC_Handler, &RTC_DateStruct, RTC_FORMAT_BIN) != HAL_OK)
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{
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Error_Handler();
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}
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rt_rtc_bkp_update();
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/* F1 series need update by bkp reg datas */
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rt_rtc_f1_bkp_update();
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}
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#endif
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