/**
* @brief Sets Tamper
* @note By calling this API we disable the tamper interrupt for all tampers.
* @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
* the configuration information for RTC.
* @param sTamper: Pointer to Tamper Structure.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_RTCEx_SetTamper(RTC_HandleTypeDef *hrtc, RTC_TamperTypeDef* sTamper)
{
uint32_t tmpreg = 0U;
/* Check the parameters */
assert_param(IS_RTC_TAMPER(sTamper->Tamper));
assert_param(IS_RTC_TAMPER_PIN(sTamper->PinSelection));
assert_param(IS_RTC_TAMPER_TRIGGER(sTamper->Trigger));
/* Process Locked */
__HAL_LOCK(hrtc);
hrtc->State = HAL_RTC_STATE_BUSY;
tmpreg = ((uint32_t)sTamper->Tamper | (uint32_t)sTamper->PinSelection | (uint32_t)(sTamper->Trigger));
hrtc->Instance->TAFCR &= (uint32_t)~((uint32_t)RTC_TAFCR_TAMP1E | (uint32_t)RTC_TAFCR_TAMP1TRG | (uint32_t)RTC_TAFCR_TAMPINSEL);
hrtc->Instance->TAFCR |= tmpreg;
hrtc->State = HAL_RTC_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hrtc);
return HAL_OK;
}
/**
* @brief Deactivates Tamper.
* @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
* the configuration information for RTC.
* @param Tamper: Selected tamper pin.
* This parameter can be a value of @ref RTCEx_Tamper_Pins_Definitions
* @retval HAL status
*/
HAL_StatusTypeDef HAL_RTCEx_DeactivateTamper(RTC_HandleTypeDef *hrtc, uint32_t Tamper)
{
/* Check input parameters */
if(hrtc == NULL)
{
return HAL_ERROR;
}
assert_param(IS_RTC_TAMPER(Tamper));
/* Process Locked */
__HAL_LOCK(hrtc);
hrtc->State = HAL_RTC_STATE_BUSY;
/* Disable the selected Tamper pin */
CLEAR_BIT(BKP->CR, BKP_CR_TPE);
/* Disable the Tamper Interrupt in the BKP->CSR */
/* Configure the Tamper Interrupt in the BKP->CSR */
__HAL_RTC_TAMPER_DISABLE_IT(hrtc, RTC_IT_TAMP1);
/* Clear the Tamper interrupt pending bit */
__HAL_RTC_TAMPER_CLEAR_FLAG(hrtc, RTC_FLAG_TAMP1F);
SET_BIT(BKP->CSR, BKP_CSR_CTE);
hrtc->State = HAL_RTC_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hrtc);
return HAL_OK;
}
/**
* @brief Sets Tamper with interrupt.
* @note By calling this API we force the tamper interrupt for all tampers.
* @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
* the configuration information for RTC.
* @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_RTC_TAMPER(sTamper->Tamper));
assert_param(IS_RTC_TAMPER_PIN(sTamper->PinSelection));
assert_param(IS_RTC_TAMPER_TRIGGER(sTamper->Trigger));
/* Process Locked */
__HAL_LOCK(hrtc);
hrtc->State = HAL_RTC_STATE_BUSY;
tmpreg = ((uint32_t)sTamper->Tamper | (uint32_t)sTamper->PinSelection | (uint32_t)sTamper->Trigger);
hrtc->Instance->TAFCR &= (uint32_t)~((uint32_t)RTC_TAFCR_TAMP1E | (uint32_t)RTC_TAFCR_TAMP1TRG | (uint32_t)RTC_TAFCR_TAMPINSEL | (uint32_t)RTC_TAFCR_TAMPIE);
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_TAMPER_TIMESTAMP_EXTI_ENABLE_IT();
EXTI->RTSR |= RTC_EXTI_LINE_TAMPER_TIMESTAMP_EVENT;
hrtc->State = HAL_RTC_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hrtc);
return HAL_OK;
}
/**
* @brief Sets Tamper with interrupt.
* @note By calling this API we force the tamper interrupt for all tampers.
* @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
* the configuration information for RTC.
* @param sTamper: Pointer to RTC Tamper.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_RTCEx_SetTamper_IT(RTC_HandleTypeDef *hrtc, RTC_TamperTypeDef* sTamper)
{
uint32_t tmpreg = 0U;
/* Check the parameters */
assert_param(IS_RTC_TAMPER(sTamper->Tamper));
assert_param(IS_RTC_TAMPER_TRIGGER(sTamper->Trigger));
assert_param(IS_RTC_TAMPER_FILTER(sTamper->Filter));
assert_param(IS_RTC_TAMPER_SAMPLING_FREQ(sTamper->SamplingFrequency));
assert_param(IS_RTC_TAMPER_PRECHARGE_DURATION(sTamper->PrechargeDuration));
assert_param(IS_RTC_TAMPER_PULLUP_STATE(sTamper->TamperPullUp));
assert_param(IS_RTC_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 = (uint32_t)(sTamper->Tamper << 1U);
}
tmpreg = ((uint32_t)sTamper->Tamper | (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 << 1U) | (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);
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_TAMPER_TIMESTAMP_EXTI_ENABLE_IT();
__HAL_RTC_TAMPER_TIMESTAMP_EXTI_ENABLE_RISING_EDGE();
hrtc->State = HAL_RTC_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hrtc);
return HAL_OK;
}
/**
* @brief Deactivates Tamper.
* @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
* the configuration information for RTC.
* @param Tamper: Selected tamper pin.
* This parameter can be RTC_Tamper_1.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_RTCEx_DeactivateTamper(RTC_HandleTypeDef *hrtc, uint32_t Tamper)
{
assert_param(IS_RTC_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 with interrupt.
* @note By calling this API we force the tamper interrupt for all tampers.
* @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
* the configuration information for RTC.
* @param sTamper: Pointer to RTC Tamper.
* @note Tamper can be enabled only if ASOE and CCO bit are reset
* @retval HAL status
*/
HAL_StatusTypeDef HAL_RTCEx_SetTamper_IT(RTC_HandleTypeDef *hrtc, RTC_TamperTypeDef* sTamper)
{
/* Check input parameters */
if((hrtc == NULL) || (sTamper == NULL))
{
return HAL_ERROR;
}
/* Check the parameters */
assert_param(IS_RTC_TAMPER(sTamper->Tamper));
assert_param(IS_RTC_TAMPER_TRIGGER(sTamper->Trigger));
/* Process Locked */
__HAL_LOCK(hrtc);
hrtc->State = HAL_RTC_STATE_BUSY;
if (HAL_IS_BIT_SET(BKP->RTCCR,(BKP_RTCCR_CCO | BKP_RTCCR_ASOE)))
{
hrtc->State = HAL_RTC_STATE_ERROR;
/* Process Unlocked */
__HAL_UNLOCK(hrtc);
return HAL_ERROR;
}
MODIFY_REG(BKP->CR, (BKP_CR_TPE | BKP_CR_TPAL), (sTamper->Tamper | (sTamper->Trigger)));
/* Configure the Tamper Interrupt in the BKP->CSR */
__HAL_RTC_TAMPER_ENABLE_IT(hrtc, RTC_IT_TAMP1);
hrtc->State = HAL_RTC_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hrtc);
return HAL_OK;
}