/**
* @brief Sets Tamper with interrupt.
* @note By calling this API we force the tamper interrupt for all tampers.
* @param hrtc: RTC handle
* @param sTamper: Pointer to RTC Tamper.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_RTCEx_SetTamper_IT(RTC_HandleTypeDef *hrtc, RTC_TamperTypeDef* sTamper)
{
uint32_t tmpreg = 0;
/* Check the parameters */
assert_param(IS_TAMPER(sTamper->Tamper));
assert_param(IS_RTC_TAMPER_PIN(sTamper->PinSelection));
assert_param(IS_TAMPER_TRIGGER(sTamper->Trigger));
assert_param(IS_TAMPER_FILTER(sTamper->Filter));
assert_param(IS_TAMPER_SAMPLING_FREQ(sTamper->SamplingFrequency));
assert_param(IS_TAMPER_PRECHARGE_DURATION(sTamper->PrechargeDuration));
assert_param(IS_TAMPER_PULLUP_STATE(sTamper->TamperPullUp));
assert_param(IS_TAMPER_TIMESTAMPONTAMPER_DETECTION(sTamper->TimeStampOnTamperDetection));
/* Process Locked */
__HAL_LOCK(hrtc);
hrtc->State = HAL_RTC_STATE_BUSY;
/* Configure the tamper trigger */
if((sTamper->Trigger == RTC_TAMPERTRIGGER_RISINGEDGE) || (sTamper->Trigger == RTC_TAMPERTRIGGER_LOWLEVEL))
{
sTamper->Trigger = RTC_TAMPERTRIGGER_RISINGEDGE;
}
else
{
sTamper->Trigger = (uint32_t)(sTamper->Tamper << 1);
}
tmpreg = ((uint32_t)sTamper->Tamper | (uint32_t)sTamper->PinSelection | (uint32_t)sTamper->Trigger |\
(uint32_t)sTamper->Filter | (uint32_t)sTamper->SamplingFrequency | (uint32_t)sTamper->PrechargeDuration |\
(uint32_t)sTamper->TamperPullUp | sTamper->TimeStampOnTamperDetection);
hrtc->Instance->TAFCR &= (uint32_t)~((uint32_t)sTamper->Tamper | (uint32_t)(sTamper->Tamper << 1) | (uint32_t)RTC_TAFCR_TAMPTS |\
(uint32_t)RTC_TAFCR_TAMPFREQ | (uint32_t)RTC_TAFCR_TAMPFLT | (uint32_t)RTC_TAFCR_TAMPPRCH |\
(uint32_t)RTC_TAFCR_TAMPPUDIS | (uint32_t)RTC_TAFCR_TAMPINSEL);
hrtc->Instance->TAFCR |= tmpreg;
/* Configure the Tamper Interrupt in the RTC_TAFCR */
hrtc->Instance->TAFCR |= (uint32_t)RTC_TAFCR_TAMPIE;
/* RTC Tamper Interrupt Configuration: EXTI configuration */
__HAL_RTC_ENABLE_IT(RTC_EXTI_LINE_TAMPER_TIMESTAMP_EVENT);
EXTI->RTSR |= RTC_EXTI_LINE_TAMPER_TIMESTAMP_EVENT;
hrtc->State = HAL_RTC_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hrtc);
return HAL_OK;
}
/**
* @brief Deactivates Tamper.
* @param hrtc: RTC handle
* @param Tamper: Selected tamper pin.
* This parameter can be any combination of RTC_TAMPER_1, RTC_TAMPER_2 and RTC_TAMPER_3.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_RTCEx_DeactivateTamper(RTC_HandleTypeDef *hrtc, uint32_t Tamper)
{
assert_param(IS_TAMPER(Tamper));
/* Process Locked */
__HAL_LOCK(hrtc);
hrtc->State = HAL_RTC_STATE_BUSY;
/* Disable the selected Tamper pin */
hrtc->Instance->TAFCR &= (uint32_t)~Tamper;
hrtc->State = HAL_RTC_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hrtc);
return HAL_OK;
}
/**
* @brief Sets Tamper
* @note By calling this API we disable the tamper interrupt for all tampers.
* @param hrtc: RTC handle
* @param sTamper: Pointer to Tamper Structure.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_RTCEx_SetTamper(RTC_HandleTypeDef *hrtc, RTC_TamperTypeDef* sTamper)
{
uint32_t tmpreg = 0;
/* Check the parameters */
assert_param(IS_TAMPER(sTamper->Tamper));
assert_param(IS_RTC_TAMPER_PIN(sTamper->PinSelection));
assert_param(IS_TAMPER_TRIGGER(sTamper->Trigger));
assert_param(IS_TAMPER_FILTER(sTamper->Filter));
assert_param(IS_TAMPER_SAMPLING_FREQ(sTamper->SamplingFrequency));
assert_param(IS_TAMPER_PRECHARGE_DURATION(sTamper->PrechargeDuration));
assert_param(IS_TAMPER_PULLUP_STATE(sTamper->TamperPullUp));
assert_param(IS_TAMPER_TIMESTAMPONTAMPER_DETECTION(sTamper->TimeStampOnTamperDetection));
/* Process Locked */
__HAL_LOCK(hrtc);
hrtc->State = HAL_RTC_STATE_BUSY;
if(sTamper->Trigger != RTC_TAMPERTRIGGER_RISINGEDGE)
{
sTamper->Trigger = (uint32_t)(sTamper->Tamper << 1);
}
tmpreg = ((uint32_t)sTamper->Tamper | (uint32_t)sTamper->PinSelection | (uint32_t)sTamper->Trigger |\
(uint32_t)sTamper->Filter | (uint32_t)sTamper->SamplingFrequency | (uint32_t)sTamper->PrechargeDuration |\
(uint32_t)sTamper->TamperPullUp | sTamper->TimeStampOnTamperDetection);
hrtc->Instance->TAFCR &= (uint32_t)~((uint32_t)sTamper->Tamper | (uint32_t)(sTamper->Tamper << 1) | (uint32_t)RTC_TAFCR_TAMPTS |\
(uint32_t)RTC_TAFCR_TAMPFREQ | (uint32_t)RTC_TAFCR_TAMPFLT | (uint32_t)RTC_TAFCR_TAMPPRCH |\
(uint32_t)RTC_TAFCR_TAMPPUDIS | (uint32_t)RTC_TAFCR_TAMPINSEL | (uint32_t)RTC_TAFCR_TAMPIE);
hrtc->Instance->TAFCR |= tmpreg;
hrtc->State = HAL_RTC_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hrtc);
return HAL_OK;
}
