mgmt-keystore.c « hsm « projects - sw/stm32 - Cryptech HSM on STM-32 ARM processor

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ass="p">); return HAL_ERROR; } else { /* Set the RTC_DR register */ hrtc->Instance->DR = (uint32_t)(datetmpreg & RTC_DR_RESERVED_MASK); /* Exit Initialization mode */ hrtc->Instance->ISR &= (uint32_t)~RTC_ISR_INIT; /* If CR_BYPSHAD bit = 0, wait for synchro else this check is not needed */ if((hrtc->Instance->CR & RTC_CR_BYPSHAD) == RESET) { if(HAL_RTC_WaitForSynchro(hrtc) != HAL_OK) { /* Enable the write protection for RTC registers */ __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc); hrtc->State = HAL_RTC_STATE_ERROR; /* Process Unlocked */ __HAL_UNLOCK(hrtc); return HAL_ERROR; } } /* Enable the write protection for RTC registers */ __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc); hrtc->State = HAL_RTC_STATE_READY ; /* Process Unlocked */ __HAL_UNLOCK(hrtc); return HAL_OK; } } /** * @brief Gets RTC current date. * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains * the configuration information for RTC. * @param sDate: Pointer to Date structure * @param Format: Specifies the format of the entered parameters. * This parameter can be one of the following values: * @arg RTC_FORMAT_BIN: Binary data format * @arg RTC_FORMAT_BCD: BCD data format * @note You must call HAL_RTC_GetDate() after HAL_RTC_GetTime() to unlock the values * in the higher-order calendar shadow registers to ensure consistency between the time and date values. * Reading RTC current time locks the values in calendar shadow registers until Current date is read. * @retval HAL status */ HAL_StatusTypeDef HAL_RTC_GetDate(RTC_HandleTypeDef *hrtc, RTC_DateTypeDef *sDate, uint32_t Format) { uint32_t datetmpreg = 0; /* Check the parameters */ assert_param(IS_RTC_FORMAT(Format)); /* Get the DR register */ datetmpreg = (uint32_t)(hrtc->Instance->DR & RTC_DR_RESERVED_MASK); /* Fill the structure fields with the read parameters */ sDate->Year = (uint8_t)((datetmpreg & (RTC_DR_YT | RTC_DR_YU)) >> 16); sDate->Month = (uint8_t)((datetmpreg & (RTC_DR_MT | RTC_DR_MU)) >> 8); sDate->Date = (uint8_t)(datetmpreg & (RTC_DR_DT | RTC_DR_DU)); sDate->WeekDay = (uint8_t)((datetmpreg & (RTC_DR_WDU)) >> 13); /* Check the input parameters format */ if(Format == RTC_FORMAT_BIN) { /* Convert the date structure parameters to Binary format */ sDate->Year = (uint8_t)RTC_Bcd2ToByte(sDate->Year); sDate->Month = (uint8_t)RTC_Bcd2ToByte(sDate->Month); sDate->Date = (uint8_t)RTC_Bcd2ToByte(sDate->Date); } return HAL_OK; } /** * @} */ /** @defgroup RTC_Exported_Functions_Group3 RTC Alarm functions * @brief RTC Alarm functions * @verbatim =============================================================================== ##### RTC Alarm functions ##### =============================================================================== [..] This section provides functions allowing to configure Alarm feature @endverbatim * @{ */ /** * @brief Sets the specified RTC Alarm. * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains * the configuration information for RTC. * @param sAlarm: Pointer to Alarm structure * @param Format: Specifies the format of the entered parameters. * This parameter can be one of the following values: * @arg RTC_FORMAT_BIN: Binary data format * @arg RTC_FORMAT_BCD: BCD data format * @retval HAL status */ HAL_StatusTypeDef HAL_RTC_SetAlarm(RTC_HandleTypeDef *hrtc, RTC_AlarmTypeDef *sAlarm, uint32_t Format) { uint32_t tickstart = 0; uint32_t tmpreg = 0, subsecondtmpreg = 0; /* Check the parameters */ assert_param(IS_RTC_FORMAT(Format)); assert_param(IS_RTC_ALARM(sAlarm->Alarm)); assert_param(IS_RTC_ALARM_MASK(sAlarm->AlarmMask)); assert_param(IS_RTC_ALARM_DATE_WEEKDAY_SEL(sAlarm->AlarmDateWeekDaySel)); assert_param(IS_RTC_ALARM_SUB_SECOND_VALUE(sAlarm->AlarmTime.SubSeconds)); assert_param(IS_RTC_ALARM_SUB_SECOND_MASK(sAlarm->AlarmSubSecondMask)); /* Process Locked */ __HAL_LOCK(hrtc); hrtc->State = HAL_RTC_STATE_BUSY; if(Format == RTC_FORMAT_BIN) { if((hrtc->Instance->CR & RTC_CR_FMT) != (uint32_t)RESET) { assert_param(IS_RTC_HOUR12(sAlarm->AlarmTime.Hours)); assert_param(IS_RTC_HOURFORMAT12(sAlarm->AlarmTime.TimeFormat)); } else { sAlarm->AlarmTime.TimeFormat = 0x00; assert_param(IS_RTC_HOUR24(sAlarm->AlarmTime.Hours)); } assert_param(IS_RTC_MINUTES(sAlarm->AlarmTime.Minutes)); assert_param(IS_RTC_SECONDS(sAlarm->AlarmTime.Seconds)); if(sAlarm->AlarmDateWeekDaySel == RTC_ALARMDATEWEEKDAYSEL_DATE) { assert_param(IS_RTC_ALARM_DATE_WEEKDAY_DATE(sAlarm->AlarmDateWeekDay)); } else { assert_param(IS_RTC_ALARM_DATE_WEEKDAY_WEEKDAY(sAlarm->AlarmDateWeekDay)); } tmpreg = (((uint32_t)RTC_ByteToBcd2(sAlarm->AlarmTime.Hours) << 16) | \ ((uint32_t)RTC_ByteToBcd2(sAlarm->AlarmTime.Minutes) << 8) | \ ((uint32_t)RTC_ByteToBcd2(sAlarm->AlarmTime.Seconds)) | \ ((uint32_t)(sAlarm->AlarmTime.TimeFormat) << 16) | \ ((uint32_t)RTC_ByteToBcd2(sAlarm->AlarmDateWeekDay) << 24) | \ ((uint32_t)sAlarm->AlarmDateWeekDaySel) | \ ((uint32_t)sAlarm->AlarmMask)); } else { if((hrtc->Instance->CR & RTC_CR_FMT) != (uint32_t)RESET) { tmpreg = RTC_Bcd2ToByte(sAlarm->AlarmTime.Hours); assert_param(IS_RTC_HOUR12(tmpreg)); assert_param(IS_RTC_HOURFORMAT12(sAlarm->AlarmTime.TimeFormat)); } else { sAlarm->AlarmTime.TimeFormat = 0x00; assert_param(IS_RTC_HOUR24(RTC_Bcd2ToByte(sAlarm->AlarmTime.Hours))); } assert_param(IS_RTC_MINUTES(RTC_Bcd2ToByte(sAlarm->AlarmTime.Minutes))); assert_param(IS_RTC_SECONDS(RTC_Bcd2ToByte(sAlarm->AlarmTime.Seconds))); if(sAlarm->AlarmDateWeekDaySel == RTC_ALARMDATEWEEKDAYSEL_DATE) { tmpreg = RTC_Bcd2ToByte(sAlarm->AlarmDateWeekDay); assert_param(IS_RTC_ALARM_DATE_WEEKDAY_DATE(tmpreg)); } else { tmpreg = RTC_Bcd2ToByte(sAlarm->AlarmDateWeekDay); assert_param(IS_RTC_ALARM_DATE_WEEKDAY_WEEKDAY(tmpreg)); } tmpreg = (((uint32_t)(sAlarm->AlarmTime.Hours) << 16) | \ ((uint32_t)(sAlarm->AlarmTime.Minutes) << 8) | \ ((uint32_t) sAlarm->AlarmTime.Seconds) | \ ((uint32_t)(sAlarm->AlarmTime.TimeFormat) << 16) | \ ((uint32_t)(sAlarm->AlarmDateWeekDay) << 24) | \ ((uint32_t)sAlarm->AlarmDateWeekDaySel) | \ ((uint32_t)sAlarm->AlarmMask)); } /* Configure the Alarm A or Alarm B Sub Second registers */ subsecondtmpreg = (uint32_t)((uint32_t)(sAlarm->AlarmTime.SubSeconds) | (uint32_t)(sAlarm->AlarmSubSecondMask)); /* Disable the write protection for RTC registers */ __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc); /* Configure the Alarm register */ if(sAlarm->Alarm == RTC_ALARM_A) { /* Disable the Alarm A interrupt */ __HAL_RTC_ALARMA_DISABLE(hrtc); /* In case of interrupt mode is used, the interrupt source must disabled */ __HAL_RTC_ALARM_DISABLE_IT(hrtc, RTC_IT_ALRA); /* Get tick */ tickstart = HAL_GetTick(); /* Wait till RTC ALRAWF flag is set and if Time out is reached exit */ while(__HAL_RTC_ALARM_GET_FLAG(hrtc, RTC_FLAG_ALRAWF) == RESET) { if((HAL_GetTick() - tickstart ) > RTC_TIMEOUT_VALUE) { /* Enable the write protection for RTC registers */ __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc); hrtc->State = HAL_RTC_STATE_TIMEOUT; /* Process Unlocked */ __HAL_UNLOCK(hrtc); return HAL_TIMEOUT; } } hrtc->Instance->ALRMAR = (uint32_t)tmpreg; /* Configure the Alarm A Sub Second register */ hrtc->Instance->ALRMASSR = subsecondtmpreg; /* Configure the Alarm state: Enable Alarm */ __HAL_RTC_ALARMA_ENABLE(hrtc); } else { /* Disable the Alarm B interrupt */ __HAL_RTC_ALARMB_DISABLE(hrtc); /* In case of interrupt mode is used, the interrupt source must disabled */ __HAL_RTC_ALARM_DISABLE_IT(hrtc, RTC_IT_ALRB); /* Get tick */ tickstart = HAL_GetTick(); /* Wait till RTC ALRBWF flag is set and if Time out is reached exit */ while(__HAL_RTC_ALARM_GET_FLAG(hrtc, RTC_FLAG_ALRBWF) == RESET) { if((HAL_GetTick() - tickstart ) > RTC_TIMEOUT_VALUE) { /* Enable the write protection for RTC registers */ __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc); hrtc->State = HAL_RTC_STATE_TIMEOUT; /* Process Unlocked */ __HAL_UNLOCK(hrtc); return HAL_TIMEOUT; } } hrtc->Instance->ALRMBR = (uint32_t)tmpreg; /* Configure the Alarm B Sub Second register */ hrtc->Instance->ALRMBSSR = subsecondtmpreg; /* Configure the Alarm state: Enable Alarm */ __HAL_RTC_ALARMB_ENABLE(hrtc); } /* Enable the write protection for RTC registers */ __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc); /* Change RTC state */ hrtc->State = HAL_RTC_STATE_READY; /* Process Unlocked */ __HAL_UNLOCK(hrtc); return HAL_OK; } /** * @brief Sets the specified RTC Alarm with Interrupt * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains * the configuration information for RTC. * @param sAlarm: Pointer to Alarm structure * @param Format: Specifies the format of the entered parameters. * This parameter can be one of the following values: * @arg RTC_FORMAT_BIN: Binary data format * @arg RTC_FORMAT_BCD: BCD data format * @retval HAL status */ HAL_StatusTypeDef HAL_RTC_SetAlarm_IT(RTC_HandleTypeDef *hrtc, RTC_AlarmTypeDef *sAlarm, uint32_t Format) { uint32_t tickstart = 0; uint32_t tmpreg = 0, subsecondtmpreg = 0; /* Check the parameters */ assert_param(IS_RTC_FORMAT(Format)); assert_param(IS_RTC_ALARM(sAlarm->Alarm)); assert_param(IS_RTC_ALARM_MASK(sAlarm->AlarmMask)); assert_param(IS_RTC_ALARM_DATE_WEEKDAY_SEL(sAlarm->AlarmDateWeekDaySel)); assert_param(IS_RTC_ALARM_SUB_SECOND_VALUE(sAlarm->AlarmTime.SubSeconds)); assert_param(IS_RTC_ALARM_SUB_SECOND_MASK(sAlarm->AlarmSubSecondMask)); /* Process Locked */ __HAL_LOCK(hrtc); hrtc->State = HAL_RTC_STATE_BUSY; if(Format == RTC_FORMAT_BIN) { if((hrtc->Instance->CR & RTC_CR_FMT) != (uint32_t)RESET) { assert_param(IS_RTC_HOUR12(sAlarm->AlarmTime.Hours)); assert_param(IS_RTC_HOURFORMAT12(sAlarm->AlarmTime.TimeFormat)); } else { sAlarm->AlarmTime.TimeFormat = 0x00; assert_param(IS_RTC_HOUR24(sAlarm->AlarmTime.Hours)); } assert_param(IS_RTC_MINUTES(sAlarm->AlarmTime.Minutes)); assert_param(IS_RTC_SECONDS(sAlarm->AlarmTime.Seconds)); if(sAlarm->AlarmDateWeekDaySel == RTC_ALARMDATEWEEKDAYSEL_DATE) { assert_param(IS_RTC_ALARM_DATE_WEEKDAY_DATE(sAlarm->AlarmDateWeekDay)); } else { assert_param(IS_RTC_ALARM_DATE_WEEKDAY_WEEKDAY(sAlarm->AlarmDateWeekDay)); } tmpreg = (((uint32_t)RTC_ByteToBcd2(sAlarm->AlarmTime.Hours) << 16) | \ ((uint32_t)RTC_ByteToBcd2(sAlarm->AlarmTime.Minutes) << 8) | \ ((uint32_t)RTC_ByteToBcd2(sAlarm->AlarmTime.Seconds)) | \ ((uint32_t)(sAlarm->AlarmTime.TimeFormat) << 16) | \ ((uint32_t)RTC_ByteToBcd2(sAlarm->AlarmDateWeekDay) << 24) | \ ((uint32_t)sAlarm->AlarmDateWeekDaySel) | \ ((uint32_t)sAlarm->AlarmMask)); } else { if((hrtc->Instance->CR & RTC_CR_FMT) != (uint32_t)RESET) { tmpreg = RTC_Bcd2ToByte(sAlarm->AlarmTime.Hours); assert_param(IS_RTC_HOUR12(tmpreg)); assert_param(IS_RTC_HOURFORMAT12(sAlarm->AlarmTime.TimeFormat)); } else { sAlarm->AlarmTime.TimeFormat = 0x00; assert_param(IS_RTC_HOUR24(RTC_Bcd2ToByte(sAlarm->AlarmTime.Hours))); } assert_param(IS_RTC_MINUTES(RTC_Bcd2ToByte(sAlarm->AlarmTime.Minutes))); assert_param(IS_RTC_SECONDS(RTC_Bcd2ToByte(sAlarm->AlarmTime.Seconds))); if(sAlarm->AlarmDateWeekDaySel == RTC_ALARMDATEWEEKDAYSEL_DATE) { tmpreg = RTC_Bcd2ToByte(sAlarm->AlarmDateWeekDay); assert_param(IS_RTC_ALARM_DATE_WEEKDAY_DATE(tmpreg)); } else { tmpreg = RTC_Bcd2ToByte(sAlarm->AlarmDateWeekDay); assert_param(IS_RTC_ALARM_DATE_WEEKDAY_WEEKDAY(tmpreg)); } tmpreg = (((uint32_t)(sAlarm->AlarmTime.Hours) << 16) | \ ((uint32_t)(sAlarm->AlarmTime.Minutes) << 8) | \ ((uint32_t) sAlarm->AlarmTime.Seconds) | \ ((uint32_t)(sAlarm->AlarmTime.TimeFormat) << 16) | \ ((uint32_t)(sAlarm->AlarmDateWeekDay) << 24) | \ ((uint32_t)sAlarm->AlarmDateWeekDaySel) | \ ((uint32_t)sAlarm->AlarmMask)); } /* Configure the Alarm A or Alarm B Sub Second registers */ subsecondtmpreg = (uint32_t)((uint32_t)(sAlarm->AlarmTime.SubSeconds) | (uint32_t)(sAlarm->AlarmSubSecondMask)); /* Disable the write protection for RTC registers */ __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc); /* Configure the Alarm register */ if(sAlarm->Alarm == RTC_ALARM_A) { /* Disable the Alarm A interrupt */ __HAL_RTC_ALARMA_DISABLE(hrtc); /* Clear flag alarm A */ __HAL_RTC_ALARM_CLEAR_FLAG(hrtc, RTC_FLAG_ALRAF); /* Get tick */ tickstart = HAL_GetTick(); /* Wait till RTC ALRAWF flag is set and if Time out is reached exit */ while(__HAL_RTC_ALARM_GET_FLAG(hrtc, RTC_FLAG_ALRAWF) == RESET) { if((HAL_GetTick() - tickstart ) > RTC_TIMEOUT_VALUE) { /* Enable the write protection for RTC registers */ __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc); hrtc->State = HAL_RTC_STATE_TIMEOUT; /* Process Unlocked */ __HAL_UNLOCK(hrtc); return HAL_TIMEOUT; } } hrtc->Instance->ALRMAR = (uint32_t)tmpreg; /* Configure the Alarm A Sub Second register */ hrtc->Instance->ALRMASSR = subsecondtmpreg; /* Configure the Alarm state: Enable Alarm */ __HAL_RTC_ALARMA_ENABLE(hrtc); /* Configure the Alarm interrupt */ __HAL_RTC_ALARM_ENABLE_IT(hrtc,RTC_IT_ALRA); } else { /* Disable the Alarm B interrupt */ __HAL_RTC_ALARMB_DISABLE(hrtc); /* Clear flag alarm B */ __HAL_RTC_ALARM_CLEAR_FLAG(hrtc, RTC_FLAG_ALRBF); /* Get tick */ tickstart = HAL_GetTick(); /* Wait till RTC ALRBWF flag is set and if Time out is reached exit */ while(__HAL_RTC_ALARM_GET_FLAG(hrtc, RTC_FLAG_ALRBWF) == RESET) { if((HAL_GetTick() - tickstart ) > RTC_TIMEOUT_VALUE) { /* Enable the write protection for RTC registers */ __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc); hrtc->State = HAL_RTC_STATE_TIMEOUT; /* Process Unlocked */ __HAL_UNLOCK(hrtc); return HAL_TIMEOUT; } } hrtc->Instance->ALRMBR = (uint32_t)tmpreg; /* Configure the Alarm B Sub Second register */ hrtc->Instance->ALRMBSSR = subsecondtmpreg; /* Configure the Alarm state: Enable Alarm */ __HAL_RTC_ALARMB_ENABLE(hrtc); /* Configure the Alarm interrupt */ __HAL_RTC_ALARM_ENABLE_IT(hrtc, RTC_IT_ALRB); } /* RTC Alarm Interrupt Configuration: EXTI configuration */ __HAL_RTC_ALARM_EXTI_ENABLE_IT(); EXTI->RTSR |= RTC_EXTI_LINE_ALARM_EVENT; /* Enable the write protection for RTC registers */ __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc); hrtc->State = HAL_RTC_STATE_READY; /* Process Unlocked */ __HAL_UNLOCK(hrtc); return HAL_OK; } /** * @brief Deactivate the specified RTC Alarm * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains * the configuration information for RTC. * @param Alarm: Specifies the Alarm. * This parameter can be one of the following values: * @arg RTC_ALARM_A: AlarmA * @arg RTC_ALARM_B: AlarmB * @retval HAL status */ HAL_StatusTypeDef HAL_RTC_DeactivateAlarm(RTC_HandleTypeDef *hrtc, uint32_t Alarm) { uint32_t tickstart = 0; /* Check the parameters */ assert_param(IS_RTC_ALARM(Alarm)); /* Process Locked */ __HAL_LOCK(hrtc); hrtc->State = HAL_RTC_STATE_BUSY; /* Disable the write protection for RTC registers */ __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc); if(Alarm == RTC_ALARM_A) { /* AlarmA */ __HAL_RTC_ALARMA_DISABLE(hrtc); /* In case of interrupt mode is used, the interrupt source must disabled */ __HAL_RTC_ALARM_DISABLE_IT(hrtc, RTC_IT_ALRA); /* Get tick */ tickstart = HAL_GetTick(); /* Wait till RTC ALRxWF flag is set and if Time out is reached exit */ while(__HAL_RTC_ALARM_GET_FLAG(hrtc, RTC_FLAG_ALRAWF) == RESET) { if((HAL_GetTick() - tickstart ) > RTC_TIMEOUT_VALUE) { /* Enable the write protection for RTC registers */ __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc); hrtc->State = HAL_RTC_STATE_TIMEOUT; /* Process Unlocked */ __HAL_UNLOCK(hrtc); return HAL_TIMEOUT; } } } else { /* AlarmB */ __HAL_RTC_ALARMB_DISABLE(hrtc); /* In case of interrupt mode is used, the interrupt source must disabled */ __HAL_RTC_ALARM_DISABLE_IT(hrtc,RTC_IT_ALRB); /* Get tick */ tickstart = HAL_GetTick(); /* Wait till RTC ALRxWF flag is set and if Time out is reached exit */ while(__HAL_RTC_ALARM_GET_FLAG(hrtc, RTC_FLAG_ALRBWF) == RESET) { if((HAL_GetTick() - tickstart ) > RTC_TIMEOUT_VALUE) { /* Enable the write protection for RTC registers */ __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc); hrtc->State = HAL_RTC_STATE_TIMEOUT; /* Process Unlocked */ __HAL_UNLOCK(hrtc); return HAL_TIMEOUT; } } } /* Enable the write protection for RTC registers */ __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc); hrtc->State = HAL_RTC_STATE_READY; /* Process Unlocked */ __HAL_UNLOCK(hrtc); return HAL_OK; } /** * @brief Gets the RTC Alarm value and masks. * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains * the configuration information for RTC. * @param sAlarm: Pointer to Date structure * @param Alarm: Specifies the Alarm. * This parameter can be one of the following values: * @arg RTC_ALARM_A: AlarmA * @arg RTC_ALARM_B: AlarmB * @param Format: Specifies the format of the entered parameters. * This parameter can be one of the following values: * @arg RTC_FORMAT_BIN: Binary data format * @arg RTC_FORMAT_BCD: BCD data format * @retval HAL status */ HAL_StatusTypeDef HAL_RTC_GetAlarm(RTC_HandleTypeDef *hrtc, RTC_AlarmTypeDef *sAlarm, uint32_t Alarm, uint32_t Format) { uint32_t tmpreg = 0, subsecondtmpreg = 0; /* Check the parameters */ assert_param(IS_RTC_FORMAT(Format)); assert_param(IS_RTC_ALARM(Alarm)); if(Alarm == RTC_ALARM_A) { /* AlarmA */ sAlarm->Alarm = RTC_ALARM_A; tmpreg = (uint32_t)(hrtc->Instance->ALRMAR); subsecondtmpreg = (uint32_t)((hrtc->Instance->ALRMASSR ) & RTC_ALRMASSR_SS); } else { sAlarm->Alarm = RTC_ALARM_B; tmpreg = (uint32_t)(hrtc->Instance->ALRMBR); subsecondtmpreg = (uint32_t)((hrtc->Instance->ALRMBSSR) & RTC_ALRMBSSR_SS); } /* Fill the structure with the read parameters */ sAlarm->AlarmTime.Hours = (uint32_t)((tmpreg & (RTC_ALRMAR_HT | RTC_ALRMAR_HU)) >> 16); sAlarm->AlarmTime.Minutes = (uint32_t)((tmpreg & (RTC_ALRMAR_MNT | RTC_ALRMAR_MNU)) >> 8); sAlarm->AlarmTime.Seconds = (uint32_t)(tmpreg & (RTC_ALRMAR_ST | RTC_ALRMAR_SU)); sAlarm->AlarmTime.TimeFormat = (uint32_t)((tmpreg & RTC_ALRMAR_PM) >> 16); sAlarm->AlarmTime.SubSeconds = (uint32_t) subsecondtmpreg; sAlarm->AlarmDateWeekDay = (uint32_t)((tmpreg & (RTC_ALRMAR_DT | RTC_ALRMAR_DU)) >> 24); sAlarm->AlarmDateWeekDaySel = (uint32_t)(tmpreg & RTC_ALRMAR_WDSEL); sAlarm->AlarmMask = (uint32_t)(tmpreg & RTC_ALARMMASK_ALL); if(Format == RTC_FORMAT_BIN) { sAlarm->AlarmTime.Hours = RTC_Bcd2ToByte(sAlarm->AlarmTime.Hours); sAlarm->AlarmTime.Minutes = RTC_Bcd2ToByte(sAlarm->AlarmTime.Minutes); sAlarm->AlarmTime.Seconds = RTC_Bcd2ToByte(sAlarm->AlarmTime.Seconds); sAlarm->AlarmDateWeekDay = RTC_Bcd2ToByte(sAlarm->AlarmDateWeekDay); } return HAL_OK; } /** * @brief This function handles Alarm interrupt request. * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains * the configuration information for RTC. * @retval None */ void HAL_RTC_AlarmIRQHandler(RTC_HandleTypeDef* hrtc) { if(__HAL_RTC_ALARM_GET_IT(hrtc, RTC_IT_ALRA)) { /* Get the status of the Interrupt */ if((uint32_t)(hrtc->Instance->CR & RTC_IT_ALRA) != (uint32_t)RESET) { /* AlarmA callback */ HAL_RTC_AlarmAEventCallback(hrtc); /* Clear the Alarm interrupt pending bit */ __HAL_RTC_ALARM_CLEAR_FLAG(hrtc,RTC_FLAG_ALRAF); } } if(__HAL_RTC_ALARM_GET_IT(hrtc, RTC_IT_ALRB)) { /* Get the status of the Interrupt */ if((uint32_t)(hrtc->Instance->CR & RTC_IT_ALRB) != (uint32_t)RESET) { /* AlarmB callback */ HAL_RTCEx_AlarmBEventCallback(hrtc); /* Clear the Alarm interrupt pending bit */ __HAL_RTC_ALARM_CLEAR_FLAG(hrtc,RTC_FLAG_ALRBF); } } /* Clear the EXTI's line Flag for RTC Alarm */ __HAL_RTC_ALARM_EXTI_CLEAR_FLAG(); /* Change RTC state */ hrtc->State = HAL_RTC_STATE_READY; } /** * @brief Alarm A callback. * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains * the configuration information for RTC. * @retval None */ __weak void HAL_RTC_AlarmAEventCallback(RTC_HandleTypeDef *hrtc) { /* NOTE : This function Should not be modified, when the callback is needed, the HAL_RTC_AlarmAEventCallback could be implemented in the user file */ } /** * @brief This function handles AlarmA Polling request. * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains * the configuration information for RTC. * @param Timeout: Timeout duration * @retval HAL status */ HAL_StatusTypeDef HAL_RTC_PollForAlarmAEvent(RTC_HandleTypeDef *hrtc, uint32_t Timeout) { uint32_t tickstart = 0; /* Get tick */ tickstart = HAL_GetTick(); while(__HAL_RTC_ALARM_GET_FLAG(hrtc, RTC_FLAG_ALRAF) == RESET) { if(Timeout != HAL_MAX_DELAY) { if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) { hrtc->State = HAL_RTC_STATE_TIMEOUT; return HAL_TIMEOUT; } } } /* Clear the Alarm interrupt pending bit */ __HAL_RTC_ALARM_CLEAR_FLAG(hrtc, RTC_FLAG_ALRAF); /* Change RTC state */ hrtc->State = HAL_RTC_STATE_READY; return HAL_OK; } /** * @} */ /** @defgroup RTC_Exported_Functions_Group4 Peripheral Control functions * @brief Peripheral Control functions * @verbatim =============================================================================== ##### Peripheral Control functions ##### =============================================================================== [..] This subsection provides functions allowing to (+) Wait for RTC Time and Date Synchronization @endverbatim * @{ */ /** * @brief Waits until the RTC Time and Date registers (RTC_TR and RTC_DR) are * synchronized with RTC APB clock. * @note The RTC Resynchronization mode is write protected, use the * __HAL_RTC_WRITEPROTECTION_DISABLE() before calling this function. * @note To read the calendar through the shadow registers after Calendar * initialization, calendar update or after wake-up from low power modes * the software must first clear the RSF flag. * The software must then wait until it is set again before reading * the calendar, which means that the calendar registers have been * correctly copied into the RTC_TR and RTC_DR shadow registers. * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains * the configuration information for RTC. * @retval HAL status */ HAL_StatusTypeDef HAL_RTC_WaitForSynchro(RTC_HandleTypeDef* hrtc) { uint32_t tickstart = 0; /* Clear RSF flag */ hrtc->Instance->ISR &= (uint32_t)RTC_RSF_MASK; /* Get tick */ tickstart = HAL_GetTick(); /* Wait the registers to be synchronised */ while((hrtc->Instance->ISR & RTC_ISR_RSF) == (uint32_t)RESET) { if((HAL_GetTick() - tickstart ) > RTC_TIMEOUT_VALUE) { return HAL_TIMEOUT; } } return HAL_OK; } /** * @} */ /** @defgroup RTC_Exported_Functions_Group5 Peripheral State functions * @brief Peripheral State functions * @verbatim =============================================================================== ##### Peripheral State functions ##### =============================================================================== [..] This subsection provides functions allowing to (+) Get RTC state @endverbatim * @{ */ /** * @brief Returns the RTC state. * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains * the configuration information for RTC. * @retval HAL state */ HAL_RTCStateTypeDef HAL_RTC_GetState(RTC_HandleTypeDef* hrtc) { return hrtc->State; } /** * @} */ /** * @brief Enters the RTC Initialization mode. * @note The RTC Initialization mode is write protected, use the * __HAL_RTC_WRITEPROTECTION_DISABLE() before calling this function. * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains * the configuration information for RTC. * @retval HAL status */ HAL_StatusTypeDef RTC_EnterInitMode(RTC_HandleTypeDef* hrtc) { uint32_t tickstart = 0; /* Check if the Initialization mode is set */ if((hrtc->Instance->ISR & RTC_ISR_INITF) == (uint32_t)RESET) { /* Set the Initialization mode */ hrtc->Instance->ISR = (uint32_t)RTC_INIT_MASK; /* Get tick */ tickstart = HAL_GetTick(); /* Wait till RTC is in INIT state and if Time out is reached exit */ while((hrtc->Instance->ISR & RTC_ISR_INITF) == (uint32_t)RESET) { if((HAL_GetTick() - tickstart ) > RTC_TIMEOUT_VALUE) { return HAL_TIMEOUT; } } } return HAL_OK; } /** * @brief Converts a 2 digit decimal to BCD format. * @param Value: Byte to be converted * @retval Converted byte */ uint8_t RTC_ByteToBcd2(uint8_t Value) { uint32_t bcdhigh = 0; while(Value >= 10) { bcdhigh++; Value -= 10; } return ((uint8_t)(bcdhigh << 4) | Value); } /** * @brief Converts from 2 digit BCD to Binary. * @param Value: BCD value to be converted * @retval Converted word */ uint8_t RTC_Bcd2ToByte(uint8_t Value) { uint32_t tmp = 0; tmp = ((uint8_t)(Value & (uint8_t)0xF0) >> (uint8_t)0x4) * 10; return (tmp + (Value & (uint8_t)0x0F)); } /** * @} */ #endif /* HAL_RTC_MODULE_ENABLED */ /** * @} */ /** * @} */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/