/**
* @brief Configure the RTC peripheral by selecting the clock source.
* @param None
* @retval None
*/
static void RTC_Config(void)
{
/*##-1- Configure the RTC peripheral #######################################*/
/* Configure RTC prescaler and RTC data registers */
/* RTC configured as follow:
- Asynch Prediv = Calculated automatically by HAL (based on LSI at 40kHz) */
RtcHandle.Instance = RTC;
RtcHandle.Init.AsynchPrediv = RTC_AUTO_1_SECOND;
if(HAL_RTC_Init(&RtcHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/*##-2- Check if data stored in BackUp register1: Wakeup timer enable #######*/
/* Read the Back Up Register 1 Data */
if (HAL_RTCEx_BKUPRead(&RtcHandle, RTC_BKP_DR1) == WAKEUP_TIMER_ENABLE)
{
/* if the wakeup timer is enabled then desable it to disable the wakeup timer interrupt */
if(HAL_RTCEx_DeactivateSecond(&RtcHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
}
/*##-3- Configure the RTC Wakeup peripheral #################################*/
HAL_RTCEx_SetSecond_IT(&RtcHandle);
/*##-4- Write 'wakeup timer enabled' tag in RTC Backup data Register 1 #######*/
HAL_RTCEx_BKUPWrite(&RtcHandle, RTC_BKP_DR1, WAKEUP_TIMER_ENABLE);
}
void HAL_RTC_MspInit(RTC_HandleTypeDef* hrtc)
{
if(hrtc->Instance==RTC)
{
/* USER CODE BEGIN RTC_MspInit 0 */
HAL_RTCEx_SetSecond_IT(hrtc);
/* USER CODE END RTC_MspInit 0 */
HAL_PWR_EnableBkUpAccess();
/* Enable BKP CLK enable for backup registers */
__HAL_RCC_BKP_CLK_ENABLE();
/* Peripheral clock enable */
__HAL_RCC_RTC_ENABLE();
/* Peripheral interrupt init */
HAL_NVIC_SetPriority(RTC_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(RTC_IRQn);
/* USER CODE BEGIN RTC_MspInit 1 */
/* USER CODE END RTC_MspInit 1 */
}
}
void RTC_Init(void)
{
RTC_DateTypeDef DateToUpdate;
HAL_PWR_EnableBkUpAccess();
/* Enable BKP CLK enable for backup registers */
__HAL_RCC_BKP_CLK_ENABLE();
/* Peripheral clock enable */
__HAL_RCC_RTC_ENABLE();
/* Peripheral interrupt init */
HAL_NVIC_SetPriority(RTC_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(RTC_IRQn);
HAL_NVIC_SetPriority(RTC_Alarm_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(RTC_Alarm_IRQn);
/**Initialize RTC and set the Time and Date
*/
hrtc.Instance = RTC;
hrtc.Init.AsynchPrediv = RTC_AUTO_1_SECOND;
hrtc.Init.OutPut = RTC_OUTPUTSOURCE_NONE;
HAL_RTC_Init(&hrtc);
if (HAL_RTCEx_BKUPRead(&hrtc, 1) != RTC_IS_SET)
{// check RTC is init or no
HAL_RTC_GetDate(&hrtc, &DateToUpdate, RTC_FORMAT_BCD);
if (DateToUpdate.Year == 0x0)
{
sTime.Hours = 0x20;
sTime.Minutes = 0x10;
sTime.Seconds = 0;
//HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BCD);
DateToUpdate.WeekDay = RTC_WEEKDAY_THURSDAY;
DateToUpdate.Month = RTC_MONTH_AUGUST;
DateToUpdate.Date = 0x11;
DateToUpdate.Year = 0x16;
//HAL_RTC_SetDate(&hrtc, &DateToUpdate, RTC_FORMAT_BCD);
//directly write to counter
// if(something == 1)
// {
// something = 0;
// while ((hrtc.Instance->CRL | RTC_CRL_RTOFF) == 0);
// hrtc.Instance->CRL |= RTC_CRL_CNF;
// hrtc.Instance->CNTL = 0xD63C;
// hrtc.Instance->CNTH = 0x57DF;
// hrtc.Instance->CRL &= ~RTC_CRL_CNF;
// }
}
HAL_RTCEx_BKUPWrite(&hrtc, 1, RTC_IS_SET);
}
HAL_RTCEx_SetSecond_IT(&hrtc);
}
