/* Private RTC IRQ handlers */
void RTC_WKUP_IRQHandler(void) {
/* Check for RTC interrupt */
if (__HAL_RTC_WAKEUPTIMER_GET_IT(&hRTC, RTC_IT_WUT) != RESET) {
/* Call user function */
TM_RTC_WakeupHandler();
/* Clear interrupt flags */
__HAL_RTC_WAKEUPTIMER_CLEAR_FLAG(&hRTC, RTC_FLAG_WUTF);
}
/* Clear EXTI line 22 bit */
__HAL_RTC_WAKEUPTIMER_EXTI_CLEAR_FLAG();
}
TM_RTC_Result_t TM_RTC_Interrupts(TM_RTC_Int_t int_value) {
uint32_t int_val;
/* Disable wakeup interrupt */
__HAL_RTC_WAKEUPTIMER_DISABLE(&hRTC);
/* Disable RTC interrupt flag */
__HAL_RTC_WAKEUPTIMER_DISABLE_IT(&hRTC, RTC_IT_WUT);
/* Clear pending bit */
__HAL_RTC_WAKEUPTIMER_EXTI_CLEAR_FLAG();
/* Clear flag */
__HAL_RTC_WAKEUPTIMER_CLEAR_FLAG(&hRTC, RTC_FLAG_WUTF);
/* If enable again */
if (int_value != TM_RTC_Int_Disable) {
if (int_value == TM_RTC_Int_60s) {
int_val = 0x3BFFF; /* 60 seconds = 60 * 4096 / 1 = 245760 */
} else if (int_value == TM_RTC_Int_30s) {
int_val = 0x1DFFF; /* 30 seconds */
} else if (int_value == TM_RTC_Int_15s) {
int_val = 0xEFFF; /* 15 seconds */
} else if (int_value == TM_RTC_Int_10s) {
int_val = 0x9FFF; /* 10 seconds */
} else if (int_value == TM_RTC_Int_5s) {
int_val = 0x4FFF; /* 5 seconds */
} else if (int_value == TM_RTC_Int_2s) {
int_val = 0x1FFF; /* 2 seconds */
} else if (int_value == TM_RTC_Int_1s) {
int_val = 0x0FFF; /* 1 second */
} else if (int_value == TM_RTC_Int_500ms) {
int_val = 0x7FF; /* 500 ms */
} else if (int_value == TM_RTC_Int_250ms) {
int_val = 0x3FF; /* 250 ms */
} else if (int_value == TM_RTC_Int_125ms) {
int_val = 0x1FF; /* 125 ms */
}
/* Clock divided by 8, 32768 / 8 = 4096 */
/* 4096 ticks for 1second interrupt */
HAL_RTCEx_SetWakeUpTimer_IT(&hRTC, int_val, RTC_WAKEUPCLOCK_RTCCLK_DIV8);
/* Set NVIC */
HAL_NVIC_SetPriority(RTC_WKUP_IRQn, RTC_NVIC_PRIORITY, RTC_NVIC_WAKEUP_SUBPRIORITY);
HAL_NVIC_EnableIRQ(RTC_WKUP_IRQn);
}
/* Return OK */
return TM_RTC_Result_Ok;
}
/**
* @brief This function handles Wake Up Timer interrupt request.
* @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
* the configuration information for RTC.
* @retval None
*/
void HAL_RTCEx_WakeUpTimerIRQHandler(RTC_HandleTypeDef *hrtc)
{
if(__HAL_RTC_WAKEUPTIMER_GET_IT(hrtc, RTC_IT_WUT))
{
/* Get the status of the Interrupt */
if((uint32_t)(hrtc->Instance->CR & RTC_IT_WUT) != (uint32_t)RESET)
{
/* WAKEUPTIMER callback */
HAL_RTCEx_WakeUpTimerEventCallback(hrtc);
/* Clear the WAKEUPTIMER interrupt pending bit */
__HAL_RTC_WAKEUPTIMER_CLEAR_FLAG(hrtc, RTC_FLAG_WUTF);
}
}
/* Clear the EXTI's line Flag for RTC WakeUpTimer */
__HAL_RTC_WAKEUPTIMER_EXTI_CLEAR_FLAG();
/* Change RTC state */
hrtc->State = HAL_RTC_STATE_READY;
}
/**
* @brief Handle Wake Up Timer interrupt request.
* @param hrtc: RTC handle
* @retval None
*/
void HAL_RTCEx_WakeUpTimerIRQHandler(RTC_HandleTypeDef *hrtc)
{
/* Get the WAKEUPTIMER interrupt source enable status */
if(__HAL_RTC_WAKEUPTIMER_GET_IT_SOURCE(hrtc, RTC_IT_WUT) != RESET)
{
/* Get the pending status of the WAKEUPTIMER Interrupt */
if(__HAL_RTC_WAKEUPTIMER_GET_FLAG(hrtc, RTC_FLAG_WUTF) != RESET)
{
/* WAKEUPTIMER callback */
HAL_RTCEx_WakeUpTimerEventCallback(hrtc);
/* Clear the WAKEUPTIMER interrupt pending bit */
__HAL_RTC_WAKEUPTIMER_CLEAR_FLAG(hrtc, RTC_FLAG_WUTF);
}
}
/* Clear the EXTI's line Flag for RTC WakeUpTimer */
__HAL_RTC_WAKEUPTIMER_EXTI_CLEAR_FLAG();
/* Change RTC state */
hrtc->State = HAL_RTC_STATE_READY;
}
