lfengsir/based-on-stm32-taxi-meter
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add rtc

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小冯Sir 2024-05-03 03:31:39 +08:00
parent 234a4151ae
commit 8054529380
1 changed files with 45 additions and 43 deletions
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88
Firmware/Core/Src/rtc.c
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@ -27,8 +27,7 @@
RTC_HandleTypeDef hrtc; RTC_HandleTypeDef hrtc;
/* RTC init function */ /* RTC init function */
void MX_RTC_Init(void) void MX_RTC_Init(void) {
{
/* USER CODE BEGIN RTC_Init 0 */ /* USER CODE BEGIN RTC_Init 0 */
@ -46,13 +45,22 @@ void MX_RTC_Init(void)
hrtc.Instance = RTC; hrtc.Instance = RTC;
hrtc.Init.AsynchPrediv = RTC_AUTO_1_SECOND; hrtc.Init.AsynchPrediv = RTC_AUTO_1_SECOND;
hrtc.Init.OutPut = RTC_OUTPUTSOURCE_ALARM; hrtc.Init.OutPut = RTC_OUTPUTSOURCE_ALARM;
if (HAL_RTC_Init(&hrtc) != HAL_OK) if (HAL_RTC_Init(&hrtc) != HAL_OK) {
{ Error_Handler();
Error_Handler();
} }
/* USER CODE BEGIN Check_RTC_BKUP */ /* USER CODE BEGIN Check_RTC_BKUP */
__HAL_RTC_SECOND_ENABLE_IT(&hrtc, RTC_IT_SEC);
if (HAL_RTCEx_BKUPRead(&hrtc, RTC_BKP_DR1) == 0x1234) {
// 从备份寄存器还原日期
hrtc.DateToUpdate.Year = HAL_RTCEx_BKUPRead(&hrtc, RTC_BKP_DR2);
hrtc.DateToUpdate.Month = HAL_RTCEx_BKUPRead(&hrtc, RTC_BKP_DR3);
hrtc.DateToUpdate.Date = HAL_RTCEx_BKUPRead(&hrtc, RTC_BKP_DR4);
// 把RTC计数单元的计数值更新到日期
HAL_RTC_GetTime(&hrtc, &sTime, RTC_FORMAT_BIN);
return;
}
/* USER CODE END Check_RTC_BKUP */ /* USER CODE END Check_RTC_BKUP */
/** Initialize RTC and set the Time and Date /** Initialize RTC and set the Time and Date
@ -61,67 +69,61 @@ void MX_RTC_Init(void)
sTime.Minutes = 0; sTime.Minutes = 0;
sTime.Seconds = 0; sTime.Seconds = 0;
if (HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BIN) != HAL_OK) if (HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BIN) != HAL_OK) {
{ Error_Handler();
Error_Handler();
} }
DateToUpdate.WeekDay = RTC_WEEKDAY_MONDAY; DateToUpdate.WeekDay = RTC_WEEKDAY_MONDAY;
DateToUpdate.Month = RTC_MONTH_JANUARY; DateToUpdate.Month = RTC_MONTH_JANUARY;
DateToUpdate.Date = 1; DateToUpdate.Date = 1;
DateToUpdate.Year = 0; DateToUpdate.Year = 0;
if (HAL_RTC_SetDate(&hrtc, &DateToUpdate, RTC_FORMAT_BIN) != HAL_OK) if (HAL_RTC_SetDate(&hrtc, &DateToUpdate, RTC_FORMAT_BIN) != HAL_OK) {
{ Error_Handler();
Error_Handler();
} }
/* USER CODE BEGIN RTC_Init 2 */ /* USER CODE BEGIN RTC_Init 2 */
HAL_RTCEx_BKUPWrite(&hrtc,RTC_BKP_DR1,0x1234);
/* USER CODE END RTC_Init 2 */ /* USER CODE END RTC_Init 2 */
} }
void HAL_RTC_MspInit(RTC_HandleTypeDef* rtcHandle) void HAL_RTC_MspInit(RTC_HandleTypeDef *rtcHandle) {
{
if(rtcHandle->Instance==RTC) if (rtcHandle->Instance == RTC) {
{ /* USER CODE BEGIN RTC_MspInit 0 */
/* USER CODE BEGIN RTC_MspInit 0 */
/* USER CODE END RTC_MspInit 0 */ /* USER CODE END RTC_MspInit 0 */
HAL_PWR_EnableBkUpAccess(); HAL_PWR_EnableBkUpAccess();
/* Enable BKP CLK enable for backup registers */ /* Enable BKP CLK enable for backup registers */
__HAL_RCC_BKP_CLK_ENABLE(); __HAL_RCC_BKP_CLK_ENABLE();
/* RTC clock enable */ /* RTC clock enable */
__HAL_RCC_RTC_ENABLE(); __HAL_RCC_RTC_ENABLE();
/* RTC interrupt Init */ /* RTC interrupt Init */
HAL_NVIC_SetPriority(RTC_IRQn, 3, 0); HAL_NVIC_SetPriority(RTC_IRQn, 3, 0);
HAL_NVIC_EnableIRQ(RTC_IRQn); HAL_NVIC_EnableIRQ(RTC_IRQn);
HAL_NVIC_SetPriority(RTC_Alarm_IRQn, 3, 0); HAL_NVIC_SetPriority(RTC_Alarm_IRQn, 3, 0);
HAL_NVIC_EnableIRQ(RTC_Alarm_IRQn); HAL_NVIC_EnableIRQ(RTC_Alarm_IRQn);
/* USER CODE BEGIN RTC_MspInit 1 */ /* USER CODE BEGIN RTC_MspInit 1 */
/* USER CODE END RTC_MspInit 1 */ /* USER CODE END RTC_MspInit 1 */
} }
} }
void HAL_RTC_MspDeInit(RTC_HandleTypeDef* rtcHandle) void HAL_RTC_MspDeInit(RTC_HandleTypeDef *rtcHandle) {
{
if(rtcHandle->Instance==RTC) if (rtcHandle->Instance == RTC) {
{ /* USER CODE BEGIN RTC_MspDeInit 0 */
/* USER CODE BEGIN RTC_MspDeInit 0 */
/* USER CODE END RTC_MspDeInit 0 */ /* USER CODE END RTC_MspDeInit 0 */
/* Peripheral clock disable */ /* Peripheral clock disable */
__HAL_RCC_RTC_DISABLE(); __HAL_RCC_RTC_DISABLE();
/* RTC interrupt Deinit */ /* RTC interrupt Deinit */
HAL_NVIC_DisableIRQ(RTC_IRQn); HAL_NVIC_DisableIRQ(RTC_IRQn);
HAL_NVIC_DisableIRQ(RTC_Alarm_IRQn); HAL_NVIC_DisableIRQ(RTC_Alarm_IRQn);
/* USER CODE BEGIN RTC_MspDeInit 1 */ /* USER CODE BEGIN RTC_MspDeInit 1 */
/* USER CODE END RTC_MspDeInit 1 */ /* USER CODE END RTC_MspDeInit 1 */
} }
} }