/** * @brief This function handles TimeStamp polling request. * @param hrtc: RTC handle * @param Timeout: Timeout duration * @retval HAL status */ HAL_StatusTypeDef HAL_RTCEx_PollForTimeStampEvent(RTC_HandleTypeDef *hrtc, uint32_t Timeout) { uint32_t tickstart = HAL_GetTick(); while(__HAL_RTC_TIMESTAMP_GET_FLAG(hrtc, RTC_FLAG_TSF) == RESET) { if(__HAL_RTC_TIMESTAMP_GET_FLAG(hrtc, RTC_FLAG_TSOVF) != RESET) { /* Clear the TIMESTAMP OverRun Flag */ __HAL_RTC_TIMESTAMP_CLEAR_FLAG(hrtc, RTC_FLAG_TSOVF); /* Change TIMESTAMP state */ hrtc->State = HAL_RTC_STATE_ERROR; return HAL_ERROR; } if(Timeout != HAL_MAX_DELAY) { if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) { hrtc->State = HAL_RTC_STATE_TIMEOUT; return HAL_TIMEOUT; } } } /* Change RTC state */ hrtc->State = HAL_RTC_STATE_READY; return HAL_OK; }
/** * @brief Handle TimeStamp interrupt request. * @param hrtc: RTC handle * @retval None */ void HAL_RTCEx_TamperTimeStampIRQHandler(RTC_HandleTypeDef *hrtc) { /* Get the TimeStamp interrupt source enable status */ if(__HAL_RTC_TIMESTAMP_GET_IT_SOURCE(hrtc, RTC_IT_TS) != RESET) { /* Get the pending status of the TIMESTAMP Interrupt */ if(__HAL_RTC_TIMESTAMP_GET_FLAG(hrtc, RTC_FLAG_TSF) != RESET) { /* TIMESTAMP callback */ HAL_RTCEx_TimeStampEventCallback(hrtc); /* Clear the TIMESTAMP interrupt pending bit */ __HAL_RTC_TIMESTAMP_CLEAR_FLAG(hrtc, RTC_FLAG_TSF); } } /* Get the Tamper interrupts source enable status */ if(__HAL_RTC_TAMPER_GET_IT_SOURCE(hrtc, RTC_IT_TAMP)) { /* Get the pending status of the Tamper1 Interrupt */ if(__HAL_RTC_TAMPER_GET_FLAG(hrtc, RTC_FLAG_TAMP1F) != RESET) { /* Tamper1 callback */ HAL_RTCEx_Tamper1EventCallback(hrtc); /* Clear the Tamper1 interrupt pending bit */ __HAL_RTC_TAMPER_CLEAR_FLAG(hrtc, RTC_FLAG_TAMP1F); } } /* Get the Tamper interrupts source enable status */ if(__HAL_RTC_TAMPER_GET_IT_SOURCE(hrtc, RTC_IT_TAMP)) { /* Get the pending status of the Tamper2 Interrupt */ if(__HAL_RTC_TAMPER_GET_FLAG(hrtc, RTC_FLAG_TAMP2F) != RESET) { /* Tamper2 callback */ HAL_RTCEx_Tamper2EventCallback(hrtc); /* Clear the Tamper2 interrupt pending bit */ __HAL_RTC_TAMPER_CLEAR_FLAG(hrtc, RTC_FLAG_TAMP2F); } } #if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || defined(STM32F091xC) || defined(STM32F098xx) /* Get the Tamper interrupts source enable status */ if(__HAL_RTC_TAMPER_GET_IT_SOURCE(hrtc, RTC_IT_TAMP)) { /* Get the pending status of the Tamper3 Interrupt */ if(__HAL_RTC_TAMPER_GET_FLAG(hrtc, RTC_FLAG_TAMP3F) != RESET) { /* Tamper3 callback */ HAL_RTCEx_Tamper3EventCallback(hrtc); /* Clear the Tamper3 interrupt pending bit */ __HAL_RTC_TAMPER_CLEAR_FLAG(hrtc, RTC_FLAG_TAMP3F); } } #endif /* Clear the EXTI's Flag for RTC TimeStamp and Tamper */ __HAL_RTC_TAMPER_TIMESTAMP_EXTI_CLEAR_FLAG(); /* Change RTC state */ hrtc->State = HAL_RTC_STATE_READY; }