From a81fc41c3eb99e8fc52aa734ee63e13c937aab81 Mon Sep 17 00:00:00 2001 From: JanHenrik Date: Sun, 19 Jan 2020 00:56:37 +0100 Subject: added blink example --- .../Src/stm32f0xx_hal_rtc_ex.c | 1600 ++++++++++++++++++++ 1 file changed, 1600 insertions(+) create mode 100644 Blink/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rtc_ex.c (limited to 'Blink/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rtc_ex.c') diff --git a/Blink/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rtc_ex.c b/Blink/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rtc_ex.c new file mode 100644 index 0000000..59888c1 --- /dev/null +++ b/Blink/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rtc_ex.c @@ -0,0 +1,1600 @@ +/** + ****************************************************************************** + * @file stm32f0xx_hal_rtc_ex.c + * @author MCD Application Team + * @brief Extended RTC HAL module driver. + * This file provides firmware functions to manage the following + * functionalities of the Real Time Clock (RTC) Extended peripheral: + * + RTC Time Stamp functions + * + RTC Tamper functions + * + RTC Wake-up functions + * + Extended Control functions + * + Extended RTC features functions + * + @verbatim + ============================================================================== + ##### How to use this driver ##### + ============================================================================== + [..] + (+) Enable the RTC domain access. + (+) Configure the RTC Prescaler (Asynchronous and Synchronous) and RTC hour + format using the HAL_RTC_Init() function. + + *** RTC Wake-up configuration *** + ================================ + [..] + (+) To configure the RTC Wakeup Clock source and Counter use the HAL_RTCEx_SetWakeUpTimer() + function. You can also configure the RTC Wakeup timer with interrupt mode + using the HAL_RTCEx_SetWakeUpTimer_IT() function. + (+) To read the RTC WakeUp Counter register, use the HAL_RTCEx_GetWakeUpTimer() + function. + (@) Not available on F030x4/x6/x8 and F070x6 + + *** TimeStamp configuration *** + =============================== + [..] + (+) Configure the RTC_AF trigger and enable the RTC TimeStamp using the + HAL_RTCEx_SetTimeStamp() function. You can also configure the RTC TimeStamp with + interrupt mode using the HAL_RTCEx_SetTimeStamp_IT() function. + (+) To read the RTC TimeStamp Time and Date register, use the HAL_RTCEx_GetTimeStamp() + function. + + *** Tamper configuration *** + ============================ + [..] + (+) Enable the RTC Tamper and configure the Tamper filter count, trigger Edge + or Level according to the Tamper filter (if equal to 0 Edge else Level) + value, sampling frequency, precharge or discharge and Pull-UP using the + HAL_RTCEx_SetTamper() function. You can configure RTC Tamper in interrupt + mode using HAL_RTCEx_SetTamper_IT() function. + + *** Backup Data Registers configuration *** + =========================================== + [..] + (+) To write to the RTC Backup Data registers, use the HAL_RTCEx_BKUPWrite() + function. + (+) To read the RTC Backup Data registers, use the HAL_RTCEx_BKUPRead() + function. + (@) Not available on F030x6/x8/xC and F070x6/xB (F0xx Value Line devices) + + + @endverbatim + ****************************************************************************** + * @attention + * + *

© Copyright (c) 2016 STMicroelectronics. + * All rights reserved.

+ * + * This software component is licensed by ST under BSD 3-Clause license, + * the "License"; You may not use this file except in compliance with the + * License. You may obtain a copy of the License at: + * opensource.org/licenses/BSD-3-Clause + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f0xx_hal.h" + +/** @addtogroup STM32F0xx_HAL_Driver + * @{ + */ + + + +/** @addtogroup RTCEx + * @brief RTC Extended HAL module driver + * @{ + */ + +#ifdef HAL_RTC_MODULE_ENABLED + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Exported functions ---------------------------------------------------------*/ + +/** @addtogroup RTCEx_Exported_Functions + * @{ + */ + + +/** @addtogroup RTCEx_Exported_Functions_Group1 + * @brief RTC TimeStamp and Tamper functions + * +@verbatim + =============================================================================== + ##### RTC TimeStamp and Tamper functions ##### + =============================================================================== + + [..] This section provides functions allowing to configure TimeStamp feature + +@endverbatim + * @{ + */ + +/** + * @brief Set TimeStamp. + * @note This API must be called before enabling the TimeStamp feature. + * @param hrtc RTC handle + * @param TimeStampEdge Specifies the pin edge on which the TimeStamp is + * activated. + * This parameter can be one of the following values: + * @arg RTC_TIMESTAMPEDGE_RISING: the Time stamp event occurs on the + * rising edge of the related pin. + * @arg RTC_TIMESTAMPEDGE_FALLING: the Time stamp event occurs on the + * falling edge of the related pin. + * @param RTC_TimeStampPin specifies the RTC TimeStamp Pin. + * This parameter can be one of the following values: + * @arg RTC_TIMESTAMPPIN_DEFAULT: PC13 is selected as RTC TimeStamp Pin. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_RTCEx_SetTimeStamp(RTC_HandleTypeDef *hrtc, uint32_t TimeStampEdge, uint32_t RTC_TimeStampPin) +{ + uint32_t tmpreg = 0U; + + /* Check the parameters */ + assert_param(IS_TIMESTAMP_EDGE(TimeStampEdge)); + assert_param(IS_RTC_TIMESTAMP_PIN(RTC_TimeStampPin)); + + /* Process Locked */ + __HAL_LOCK(hrtc); + + hrtc->State = HAL_RTC_STATE_BUSY; + + /* Get the RTC_CR register and clear the bits to be configured */ + tmpreg = (uint32_t)(hrtc->Instance->CR & (uint32_t)~(RTC_CR_TSEDGE | RTC_CR_TSE)); + + tmpreg |= TimeStampEdge; + + /* Disable the write protection for RTC registers */ + __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc); + + /* Configure the Time Stamp TSEDGE and Enable bits */ + hrtc->Instance->CR = (uint32_t)tmpreg; + + __HAL_RTC_TIMESTAMP_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 Set TimeStamp with Interrupt. + * @param hrtc RTC handle + * @note This API must be called before enabling the TimeStamp feature. + * @param TimeStampEdge Specifies the pin edge on which the TimeStamp is + * activated. + * This parameter can be one of the following values: + * @arg RTC_TIMESTAMPEDGE_RISING: the Time stamp event occurs on the + * rising edge of the related pin. + * @arg RTC_TIMESTAMPEDGE_FALLING: the Time stamp event occurs on the + * falling edge of the related pin. + * @param RTC_TimeStampPin Specifies the RTC TimeStamp Pin. + * This parameter can be one of the following values: + * @arg RTC_TIMESTAMPPIN_DEFAULT: PC13 is selected as RTC TimeStamp Pin. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_RTCEx_SetTimeStamp_IT(RTC_HandleTypeDef *hrtc, uint32_t TimeStampEdge, uint32_t RTC_TimeStampPin) +{ + uint32_t tmpreg = 0U; + + /* Check the parameters */ + assert_param(IS_TIMESTAMP_EDGE(TimeStampEdge)); + assert_param(IS_RTC_TIMESTAMP_PIN(RTC_TimeStampPin)); + + /* Process Locked */ + __HAL_LOCK(hrtc); + + hrtc->State = HAL_RTC_STATE_BUSY; + + /* Get the RTC_CR register and clear the bits to be configured */ + tmpreg = (uint32_t)(hrtc->Instance->CR & (uint32_t)~(RTC_CR_TSEDGE | RTC_CR_TSE)); + + tmpreg |= TimeStampEdge; + + /* Disable the write protection for RTC registers */ + __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc); + + /* Configure the Time Stamp TSEDGE and Enable bits */ + hrtc->Instance->CR = (uint32_t)tmpreg; + + __HAL_RTC_TIMESTAMP_ENABLE(hrtc); + + /* Enable IT timestamp */ + __HAL_RTC_TIMESTAMP_ENABLE_IT(hrtc, RTC_IT_TS); + + /* RTC timestamp Interrupt Configuration: EXTI configuration */ + __HAL_RTC_TAMPER_TIMESTAMP_EXTI_ENABLE_IT(); + + __HAL_RTC_TAMPER_TIMESTAMP_EXTI_ENABLE_RISING_EDGE(); + + /* 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 TimeStamp. + * @param hrtc RTC handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_RTCEx_DeactivateTimeStamp(RTC_HandleTypeDef *hrtc) +{ + uint32_t tmpreg = 0U; + + /* Process Locked */ + __HAL_LOCK(hrtc); + + hrtc->State = HAL_RTC_STATE_BUSY; + + /* Disable the write protection for RTC registers */ + __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc); + + /* In case of interrupt mode is used, the interrupt source must disabled */ + __HAL_RTC_TIMESTAMP_DISABLE_IT(hrtc, RTC_IT_TS); + + /* Get the RTC_CR register and clear the bits to be configured */ + tmpreg = (uint32_t)(hrtc->Instance->CR & (uint32_t)~(RTC_CR_TSEDGE | RTC_CR_TSE)); + + /* Configure the Time Stamp TSEDGE and Enable bits */ + hrtc->Instance->CR = (uint32_t)tmpreg; + + /* 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 Get the RTC TimeStamp value. + * @param hrtc RTC handle + + * @param sTimeStamp Pointer to Time structure + * @param sTimeStampDate 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 + * @retval HAL status + */ +HAL_StatusTypeDef HAL_RTCEx_GetTimeStamp(RTC_HandleTypeDef *hrtc, RTC_TimeTypeDef *sTimeStamp, RTC_DateTypeDef *sTimeStampDate, uint32_t Format) +{ + uint32_t tmptime = 0U, tmpdate = 0U; + + /* Check the parameters */ + assert_param(IS_RTC_FORMAT(Format)); + + /* Get the TimeStamp time and date registers values */ + tmptime = (uint32_t)(hrtc->Instance->TSTR & RTC_TR_RESERVED_MASK); + tmpdate = (uint32_t)(hrtc->Instance->TSDR & RTC_DR_RESERVED_MASK); + + /* Fill the Time structure fields with the read parameters */ + sTimeStamp->Hours = (uint8_t)((tmptime & (RTC_TR_HT | RTC_TR_HU)) >> 16U); + sTimeStamp->Minutes = (uint8_t)((tmptime & (RTC_TR_MNT | RTC_TR_MNU)) >> 8U); + sTimeStamp->Seconds = (uint8_t)(tmptime & (RTC_TR_ST | RTC_TR_SU)); + sTimeStamp->TimeFormat = (uint8_t)((tmptime & (RTC_TR_PM)) >> 16U); + sTimeStamp->SubSeconds = (uint32_t) hrtc->Instance->TSSSR; + + /* Fill the Date structure fields with the read parameters */ + sTimeStampDate->Year = 0; + sTimeStampDate->Month = (uint8_t)((tmpdate & (RTC_DR_MT | RTC_DR_MU)) >> 8U); + sTimeStampDate->Date = (uint8_t)(tmpdate & (RTC_DR_DT | RTC_DR_DU)); + sTimeStampDate->WeekDay = (uint8_t)((tmpdate & (RTC_DR_WDU)) >> 13U); + + /* Check the input parameters format */ + if (Format == RTC_FORMAT_BIN) + { + /* Convert the TimeStamp structure parameters to Binary format */ + sTimeStamp->Hours = (uint8_t)RTC_Bcd2ToByte(sTimeStamp->Hours); + sTimeStamp->Minutes = (uint8_t)RTC_Bcd2ToByte(sTimeStamp->Minutes); + sTimeStamp->Seconds = (uint8_t)RTC_Bcd2ToByte(sTimeStamp->Seconds); + + /* Convert the DateTimeStamp structure parameters to Binary format */ + sTimeStampDate->Month = (uint8_t)RTC_Bcd2ToByte(sTimeStampDate->Month); + sTimeStampDate->Date = (uint8_t)RTC_Bcd2ToByte(sTimeStampDate->Date); + sTimeStampDate->WeekDay = (uint8_t)RTC_Bcd2ToByte(sTimeStampDate->WeekDay); + } + + /* Clear the TIMESTAMP Flag */ + __HAL_RTC_TIMESTAMP_CLEAR_FLAG(hrtc, RTC_FLAG_TSF); + + return HAL_OK; +} + +/** + * @brief Set 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 = 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; + + 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 | (uint32_t)RTC_TAFCR_TAMPIE); + + hrtc->Instance->TAFCR |= tmpreg; + + 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 Deactivate 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_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 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 */ +#if (USE_HAL_RTC_REGISTER_CALLBACKS == 1) + hrtc->TimeStampEventCallback(hrtc); +#else + HAL_RTCEx_TimeStampEventCallback(hrtc); +#endif /* USE_HAL_RTC_REGISTER_CALLBACKS */ + + /* 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 */ +#if (USE_HAL_RTC_REGISTER_CALLBACKS == 1) + hrtc->Tamper1EventCallback(hrtc); +#else + HAL_RTCEx_Tamper1EventCallback(hrtc); +#endif /* USE_HAL_RTC_REGISTER_CALLBACKS */ + + /* 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 */ +#if (USE_HAL_RTC_REGISTER_CALLBACKS == 1) + hrtc->Tamper2EventCallback(hrtc); +#else + HAL_RTCEx_Tamper2EventCallback(hrtc); +#endif /* USE_HAL_RTC_REGISTER_CALLBACKS */ + + /* 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 */ +#if (USE_HAL_RTC_REGISTER_CALLBACKS == 1) + hrtc->Tamper3EventCallback(hrtc); +#else + HAL_RTCEx_Tamper3EventCallback(hrtc); +#endif /* USE_HAL_RTC_REGISTER_CALLBACKS */ + + /* 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; +} + +/** + * @brief TimeStamp callback. + * @param hrtc RTC handle + * @retval None + */ +__weak void HAL_RTCEx_TimeStampEventCallback(RTC_HandleTypeDef *hrtc) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hrtc); + + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_RTCEx_TimeStampEventCallback could be implemented in the user file + */ +} + +/** + * @brief Tamper 1 callback. + * @param hrtc RTC handle + * @retval None + */ +__weak void HAL_RTCEx_Tamper1EventCallback(RTC_HandleTypeDef *hrtc) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hrtc); + + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_RTCEx_Tamper1EventCallback could be implemented in the user file + */ +} + +/** + * @brief Tamper 2 callback. + * @param hrtc RTC handle + * @retval None + */ +__weak void HAL_RTCEx_Tamper2EventCallback(RTC_HandleTypeDef *hrtc) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hrtc); + + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_RTCEx_Tamper2EventCallback could be implemented in the user file + */ +} + +#if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || defined(STM32F091xC) || defined(STM32F098xx) +/** + * @brief Tamper 3 callback. + * @param hrtc RTC handle + * @retval None + */ +__weak void HAL_RTCEx_Tamper3EventCallback(RTC_HandleTypeDef *hrtc) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hrtc); + + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_RTCEx_Tamper3EventCallback could be implemented in the user file + */ +} +#endif + +/** + * @brief Handle 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 == 0U) || ((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 Tamper 1 Polling. + * @param hrtc RTC handle + * @param Timeout Timeout duration + * @retval HAL status + */ +HAL_StatusTypeDef HAL_RTCEx_PollForTamper1Event(RTC_HandleTypeDef *hrtc, uint32_t Timeout) +{ + uint32_t tickstart = HAL_GetTick(); + + /* Get the status of the Interrupt */ + while (__HAL_RTC_TAMPER_GET_FLAG(hrtc, RTC_FLAG_TAMP1F) == RESET) + { + if (Timeout != HAL_MAX_DELAY) + { + if ((Timeout == 0U) || ((HAL_GetTick() - tickstart) > Timeout)) + { + hrtc->State = HAL_RTC_STATE_TIMEOUT; + return HAL_TIMEOUT; + } + } + } + + /* Clear the Tamper Flag */ + __HAL_RTC_TAMPER_CLEAR_FLAG(hrtc, RTC_FLAG_TAMP1F); + + /* Change RTC state */ + hrtc->State = HAL_RTC_STATE_READY; + + return HAL_OK; +} + +/** + * @brief Handle Tamper 2 Polling. + * @param hrtc RTC handle + * @param Timeout Timeout duration + * @retval HAL status + */ +HAL_StatusTypeDef HAL_RTCEx_PollForTamper2Event(RTC_HandleTypeDef *hrtc, uint32_t Timeout) +{ + uint32_t tickstart = HAL_GetTick(); + + /* Get the status of the Interrupt */ + while (__HAL_RTC_TAMPER_GET_FLAG(hrtc, RTC_FLAG_TAMP2F) == RESET) + { + if (Timeout != HAL_MAX_DELAY) + { + if ((Timeout == 0U) || ((HAL_GetTick() - tickstart) > Timeout)) + { + hrtc->State = HAL_RTC_STATE_TIMEOUT; + return HAL_TIMEOUT; + } + } + } + + /* Clear the Tamper Flag */ + __HAL_RTC_TAMPER_CLEAR_FLAG(hrtc, RTC_FLAG_TAMP2F); + + /* Change RTC state */ + hrtc->State = HAL_RTC_STATE_READY; + + return HAL_OK; +} + +#if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || defined(STM32F091xC) || defined(STM32F098xx) +/** + * @brief Handle Tamper 3 Polling. + * @param hrtc RTC handle + * @param Timeout Timeout duration + * @retval HAL status + */ +HAL_StatusTypeDef HAL_RTCEx_PollForTamper3Event(RTC_HandleTypeDef *hrtc, uint32_t Timeout) +{ + uint32_t tickstart = HAL_GetTick(); + + /* Get the status of the Interrupt */ + while (__HAL_RTC_TAMPER_GET_FLAG(hrtc, RTC_FLAG_TAMP3F) == RESET) + { + if (Timeout != HAL_MAX_DELAY) + { + if ((Timeout == 0U) || ((HAL_GetTick() - tickstart) > Timeout)) + { + hrtc->State = HAL_RTC_STATE_TIMEOUT; + return HAL_TIMEOUT; + } + } + } + + /* Clear the Tamper Flag */ + __HAL_RTC_TAMPER_CLEAR_FLAG(hrtc, RTC_FLAG_TAMP3F); + + /* Change RTC state */ + hrtc->State = HAL_RTC_STATE_READY; + + return HAL_OK; +} +#endif + +/** + * @} + */ + +#if defined(STM32F070xB) || defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || defined(STM32F091xC) || defined(STM32F098xx) || defined(STM32F030xC) +/** @addtogroup RTCEx_Exported_Functions_Group2 + * @brief RTC Wake-up functions + * +@verbatim + =============================================================================== + ##### RTC Wake-up functions ##### + =============================================================================== + + [..] This section provides functions allowing to configure Wake-up feature + +@endverbatim + * @{ + */ + +/** + * @brief Set wake up timer. + * @param hrtc RTC handle + * @param WakeUpCounter Wake up counter + * @param WakeUpClock Wake up clock + * @retval HAL status + */ +HAL_StatusTypeDef HAL_RTCEx_SetWakeUpTimer(RTC_HandleTypeDef *hrtc, uint32_t WakeUpCounter, uint32_t WakeUpClock) +{ + uint32_t tickstart = 0U; + + /* Check the parameters */ + assert_param(IS_RTC_WAKEUP_CLOCK(WakeUpClock)); + assert_param(IS_RTC_WAKEUP_COUNTER(WakeUpCounter)); + + /* Process Locked */ + __HAL_LOCK(hrtc); + + hrtc->State = HAL_RTC_STATE_BUSY; + + /* Disable the write protection for RTC registers */ + __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc); + + /*Check RTC WUTWF flag is reset only when wake up timer enabled*/ + if ((hrtc->Instance->CR & RTC_CR_WUTE) != RESET) + { + tickstart = HAL_GetTick(); + + /* Wait till RTC WUTWF flag is reset and if Time out is reached exit */ + while (__HAL_RTC_WAKEUPTIMER_GET_FLAG(hrtc, RTC_FLAG_WUTWF) == SET) + { + 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; + } + } + } + + __HAL_RTC_WAKEUPTIMER_DISABLE(hrtc); + + tickstart = HAL_GetTick(); + + /* Wait till RTC WUTWF flag is set and if Time out is reached exit */ + while (__HAL_RTC_WAKEUPTIMER_GET_FLAG(hrtc, RTC_FLAG_WUTWF) == 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; + } + } + + /* Clear the Wakeup Timer clock source bits in CR register */ + hrtc->Instance->CR &= (uint32_t)~RTC_CR_WUCKSEL; + + /* Configure the clock source */ + hrtc->Instance->CR |= (uint32_t)WakeUpClock; + + /* Configure the Wakeup Timer counter */ + hrtc->Instance->WUTR = (uint32_t)WakeUpCounter; + + /* Enable the Wakeup Timer */ + __HAL_RTC_WAKEUPTIMER_ENABLE(hrtc); + + /* 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 Set wake up timer with interrupt. + * @param hrtc RTC handle + * @param WakeUpCounter Wake up counter + * @param WakeUpClock Wake up clock + * @retval HAL status + */ +HAL_StatusTypeDef HAL_RTCEx_SetWakeUpTimer_IT(RTC_HandleTypeDef *hrtc, uint32_t WakeUpCounter, uint32_t WakeUpClock) +{ + uint32_t tickstart = 0U; + + /* Check the parameters */ + assert_param(IS_RTC_WAKEUP_CLOCK(WakeUpClock)); + assert_param(IS_RTC_WAKEUP_COUNTER(WakeUpCounter)); + + /* Process Locked */ + __HAL_LOCK(hrtc); + + hrtc->State = HAL_RTC_STATE_BUSY; + + /* Disable the write protection for RTC registers */ + __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc); + + /*Check RTC WUTWF flag is reset only when wake up timer enabled*/ + if ((hrtc->Instance->CR & RTC_CR_WUTE) != RESET) + { + tickstart = HAL_GetTick(); + + /* Wait till RTC WUTWF flag is reset and if Time out is reached exit */ + while (__HAL_RTC_WAKEUPTIMER_GET_FLAG(hrtc, RTC_FLAG_WUTWF) == SET) + { + 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; + } + } + } + + /* Disable the Wake-Up timer */ + __HAL_RTC_WAKEUPTIMER_DISABLE(hrtc); + + /* Clear flag Wake-Up */ + __HAL_RTC_WAKEUPTIMER_CLEAR_FLAG(hrtc, RTC_FLAG_WUTF); + + tickstart = HAL_GetTick(); + + /* Wait till RTC WUTWF flag is set and if Time out is reached exit */ + while (__HAL_RTC_WAKEUPTIMER_GET_FLAG(hrtc, RTC_FLAG_WUTWF) == 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; + } + } + + /* Configure the Wakeup Timer counter */ + hrtc->Instance->WUTR = (uint32_t)WakeUpCounter; + + /* Clear the Wakeup Timer clock source bits in CR register */ + hrtc->Instance->CR &= (uint32_t)~RTC_CR_WUCKSEL; + + /* Configure the clock source */ + hrtc->Instance->CR |= (uint32_t)WakeUpClock; + + /* RTC WakeUpTimer Interrupt Configuration: EXTI configuration */ + __HAL_RTC_WAKEUPTIMER_EXTI_ENABLE_IT(); + + __HAL_RTC_WAKEUPTIMER_EXTI_ENABLE_RISING_EDGE(); + + /* Configure the Interrupt in the RTC_CR register */ + __HAL_RTC_WAKEUPTIMER_ENABLE_IT(hrtc, RTC_IT_WUT); + + /* Enable the Wakeup Timer */ + __HAL_RTC_WAKEUPTIMER_ENABLE(hrtc); + + /* 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 wake up timer counter. + * @param hrtc RTC handle + * @retval HAL status + */ +uint32_t HAL_RTCEx_DeactivateWakeUpTimer(RTC_HandleTypeDef *hrtc) +{ + uint32_t tickstart = 0U; + + /* Process Locked */ + __HAL_LOCK(hrtc); + + hrtc->State = HAL_RTC_STATE_BUSY; + + /* Disable the write protection for RTC registers */ + __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc); + + /* Disable the Wakeup Timer */ + __HAL_RTC_WAKEUPTIMER_DISABLE(hrtc); + + /* In case of interrupt mode is used, the interrupt source must disabled */ + __HAL_RTC_WAKEUPTIMER_DISABLE_IT(hrtc, RTC_IT_WUT); + + tickstart = HAL_GetTick(); + /* Wait till RTC WUTWF flag is set and if Time out is reached exit */ + while (__HAL_RTC_WAKEUPTIMER_GET_FLAG(hrtc, RTC_FLAG_WUTWF) == 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 Get wake up timer counter. + * @param hrtc RTC handle + * @retval Counter value + */ +uint32_t HAL_RTCEx_GetWakeUpTimer(RTC_HandleTypeDef *hrtc) +{ + /* Get the counter value */ + return ((uint32_t)(hrtc->Instance->WUTR & RTC_WUTR_WUT)); +} + +/** + * @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 */ +#if (USE_HAL_RTC_REGISTER_CALLBACKS == 1) + hrtc->WakeUpTimerEventCallback(hrtc); +#else + HAL_RTCEx_WakeUpTimerEventCallback(hrtc); +#endif /* USE_HAL_RTC_REGISTER_CALLBACKS */ + + /* 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 Wake Up Timer callback. + * @param hrtc RTC handle + * @retval None + */ +__weak void HAL_RTCEx_WakeUpTimerEventCallback(RTC_HandleTypeDef *hrtc) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hrtc); + + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_RTCEx_WakeUpTimerEventCallback could be implemented in the user file + */ +} + + +/** + * @brief Handle Wake Up Timer Polling. + * @param hrtc RTC handle + * @param Timeout Timeout duration + * @retval HAL status + */ +HAL_StatusTypeDef HAL_RTCEx_PollForWakeUpTimerEvent(RTC_HandleTypeDef *hrtc, uint32_t Timeout) +{ + uint32_t tickstart = HAL_GetTick(); + + while (__HAL_RTC_WAKEUPTIMER_GET_FLAG(hrtc, RTC_FLAG_WUTF) == RESET) + { + if (Timeout != HAL_MAX_DELAY) + { + if ((Timeout == 0U) || ((HAL_GetTick() - tickstart) > Timeout)) + { + hrtc->State = HAL_RTC_STATE_TIMEOUT; + + return HAL_TIMEOUT; + } + } + } + + /* Clear the WAKEUPTIMER Flag */ + __HAL_RTC_WAKEUPTIMER_CLEAR_FLAG(hrtc, RTC_FLAG_WUTF); + + /* Change RTC state */ + hrtc->State = HAL_RTC_STATE_READY; + + return HAL_OK; +} + +/** + * @} + */ +#endif /* defined(STM32F070xB) || defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || defined(STM32F091xC) || defined(STM32F098xx) | defined(STM32F030xC) */ + +/** @addtogroup RTCEx_Exported_Functions_Group3 + * @brief Extended Peripheral Control functions + * +@verbatim + =============================================================================== + ##### Extended Peripheral Control functions ##### + =============================================================================== + [..] + This subsection provides functions allowing to + (+) Write a data in a specified RTC Backup data register + (+) Read a data in a specified RTC Backup data register + (+) Set the Coarse calibration parameters. + (+) Deactivate the Coarse calibration parameters + (+) Set the Smooth calibration parameters. + (+) Configure the Synchronization Shift Control Settings. + (+) Configure the Calibration Pinout (RTC_CALIB) Selection (1Hz or 512Hz). + (+) Deactivate the Calibration Pinout (RTC_CALIB) Selection (1Hz or 512Hz). + (+) Enable the RTC reference clock detection. + (+) Disable the RTC reference clock detection. + (+) Enable the Bypass Shadow feature. + (+) Disable the Bypass Shadow feature. + +@endverbatim + * @{ + */ + +#if !defined(STM32F030x6) && !defined(STM32F030x8) && !defined(STM32F070x6) && !defined(STM32F070xB) && !defined(STM32F030xC) +/** + * @brief Write a data in a specified RTC Backup data register. + * @param hrtc RTC handle + * @param BackupRegister RTC Backup data Register number. + * This parameter can be: RTC_BKP_DRx where x can be from 0 to 4 to + * specify the register. + * @param Data Data to be written in the specified RTC Backup data register. + * @retval None + */ +void HAL_RTCEx_BKUPWrite(RTC_HandleTypeDef *hrtc, uint32_t BackupRegister, uint32_t Data) +{ + uint32_t tmp = 0U; + + /* Check the parameters */ + assert_param(IS_RTC_BKP(BackupRegister)); + + tmp = (uint32_t) & (hrtc->Instance->BKP0R); + tmp += (BackupRegister * 4U); + + /* Write the specified register */ + *(__IO uint32_t *)tmp = (uint32_t)Data; +} + +/** + * @brief Reads data from the specified RTC Backup data Register. + * @param hrtc RTC handle + * @param BackupRegister RTC Backup data Register number. + * This parameter can be: RTC_BKP_DRx where x can be from 0 to 4 to + * specify the register. + * @retval Read value + */ +uint32_t HAL_RTCEx_BKUPRead(RTC_HandleTypeDef *hrtc, uint32_t BackupRegister) +{ + uint32_t tmp = 0U; + + /* Check the parameters */ + assert_param(IS_RTC_BKP(BackupRegister)); + + tmp = (uint32_t) & (hrtc->Instance->BKP0R); + tmp += (BackupRegister * 4U); + + /* Read the specified register */ + return (*(__IO uint32_t *)tmp); +} +#endif /* !defined(STM32F030x6) && !defined(STM32F030x8) && !defined(STM32F070x6) && !defined(STM32F070xB) && !defined(STM32F030xC) */ + +/** + * @brief Set the Smooth calibration parameters. + * @param hrtc RTC handle + * @param SmoothCalibPeriod Select the Smooth Calibration Period. + * This parameter can be can be one of the following values : + * @arg RTC_SMOOTHCALIB_PERIOD_32SEC: The smooth calibration period is 32s. + * @arg RTC_SMOOTHCALIB_PERIOD_16SEC: The smooth calibration period is 16s. + * @arg RTC_SMOOTHCALIB_PERIOD_8SEC: The smooth calibration period is 8s. + * @param SmoothCalibPlusPulses Select to Set or reset the CALP bit. + * This parameter can be one of the following values: + * @arg RTC_SMOOTHCALIB_PLUSPULSES_SET: Add one RTCCLK pulse every 2*11 pulses. + * @arg RTC_SMOOTHCALIB_PLUSPULSES_RESET: No RTCCLK pulses are added. + * @param SmoothCalibMinusPulsesValue Select the value of CALM[8:0] bits. + * This parameter can be one any value from 0 to 0x000001FF. + * @note To deactivate the smooth calibration, the field SmoothCalibPlusPulses + * must be equal to SMOOTHCALIB_PLUSPULSES_RESET and the field + * SmoothCalibMinusPulsesValue mut be equal to 0. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_RTCEx_SetSmoothCalib(RTC_HandleTypeDef *hrtc, uint32_t SmoothCalibPeriod, uint32_t SmoothCalibPlusPulses, uint32_t SmoothCalibMinusPulsesValue) +{ + uint32_t tickstart = 0U; + + /* Check the parameters */ + assert_param(IS_RTC_SMOOTH_CALIB_PERIOD(SmoothCalibPeriod)); + assert_param(IS_RTC_SMOOTH_CALIB_PLUS(SmoothCalibPlusPulses)); + assert_param(IS_RTC_SMOOTH_CALIB_MINUS(SmoothCalibMinusPulsesValue)); + + /* Process Locked */ + __HAL_LOCK(hrtc); + + hrtc->State = HAL_RTC_STATE_BUSY; + + /* Disable the write protection for RTC registers */ + __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc); + + /* check if a calibration is pending*/ + if ((hrtc->Instance->ISR & RTC_ISR_RECALPF) != RESET) + { + tickstart = HAL_GetTick(); + + /* check if a calibration is pending*/ + while ((hrtc->Instance->ISR & RTC_ISR_RECALPF) != RESET) + { + if ((HAL_GetTick() - tickstart) > RTC_TIMEOUT_VALUE) + { + /* Enable the write protection for RTC registers */ + __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc); + + /* Change RTC state */ + hrtc->State = HAL_RTC_STATE_TIMEOUT; + + /* Process Unlocked */ + __HAL_UNLOCK(hrtc); + + return HAL_TIMEOUT; + } + } + } + + /* Configure the Smooth calibration settings */ + hrtc->Instance->CALR = (uint32_t)((uint32_t)SmoothCalibPeriod | (uint32_t)SmoothCalibPlusPulses | (uint32_t)SmoothCalibMinusPulsesValue); + + /* 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 Configure the Synchronization Shift Control Settings. + * @note When REFCKON is set, firmware must not write to Shift control register. + * @param hrtc RTC handle + * @param ShiftAdd1S Select to add or not 1 second to the time calendar. + * This parameter can be one of the following values : + * @arg RTC_SHIFTADD1S_SET: Add one second to the clock calendar. + * @arg RTC_SHIFTADD1S_RESET: No effect. + * @param ShiftSubFS Select the number of Second Fractions to substitute. + * This parameter can be one any value from 0 to 0x7FFF. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_RTCEx_SetSynchroShift(RTC_HandleTypeDef *hrtc, uint32_t ShiftAdd1S, uint32_t ShiftSubFS) +{ + uint32_t tickstart = 0U; + + /* Check the parameters */ + assert_param(IS_RTC_SHIFT_ADD1S(ShiftAdd1S)); + assert_param(IS_RTC_SHIFT_SUBFS(ShiftSubFS)); + + /* Process Locked */ + __HAL_LOCK(hrtc); + + hrtc->State = HAL_RTC_STATE_BUSY; + + /* Disable the write protection for RTC registers */ + __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc); + + tickstart = HAL_GetTick(); + + /* Wait until the shift is completed*/ + while ((hrtc->Instance->ISR & RTC_ISR_SHPF) != 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; + } + } + + /* Check if the reference clock detection is disabled */ + if ((hrtc->Instance->CR & RTC_CR_REFCKON) == RESET) + { + /* Configure the Shift settings */ + hrtc->Instance->SHIFTR = (uint32_t)(uint32_t)(ShiftSubFS) | (uint32_t)(ShiftAdd1S); + + /* If RTC_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; + } + } + } + else + { + /* Enable the write protection for RTC registers */ + __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc); + + /* Change RTC state */ + 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); + + /* Change RTC state */ + hrtc->State = HAL_RTC_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hrtc); + + return HAL_OK; +} + +/** + * @brief Configure the Calibration Pinout (RTC_CALIB) Selection (1Hz or 512Hz). + * @param hrtc RTC handle + * @param CalibOutput Select the Calibration output Selection . + * This parameter can be one of the following values: + * @arg RTC_CALIBOUTPUT_512HZ: A signal has a regular waveform at 512Hz. + * @arg RTC_CALIBOUTPUT_1HZ: A signal has a regular waveform at 1Hz. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_RTCEx_SetCalibrationOutPut(RTC_HandleTypeDef *hrtc, uint32_t CalibOutput) +{ + /* Check the parameters */ + assert_param(IS_RTC_CALIB_OUTPUT(CalibOutput)); + + /* Process Locked */ + __HAL_LOCK(hrtc); + + hrtc->State = HAL_RTC_STATE_BUSY; + + /* Disable the write protection for RTC registers */ + __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc); + + /* Clear flags before config */ + hrtc->Instance->CR &= (uint32_t)~RTC_CR_COSEL; + + /* Configure the RTC_CR register */ + hrtc->Instance->CR |= (uint32_t)CalibOutput; + + __HAL_RTC_CALIBRATION_OUTPUT_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 Deactivate the Calibration Pinout (RTC_CALIB) Selection (1Hz or 512Hz). + * @param hrtc RTC handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_RTCEx_DeactivateCalibrationOutPut(RTC_HandleTypeDef *hrtc) +{ + /* Process Locked */ + __HAL_LOCK(hrtc); + + hrtc->State = HAL_RTC_STATE_BUSY; + + /* Disable the write protection for RTC registers */ + __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc); + + __HAL_RTC_CALIBRATION_OUTPUT_DISABLE(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 Enable the RTC reference clock detection. + * @param hrtc RTC handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_RTCEx_SetRefClock(RTC_HandleTypeDef *hrtc) +{ + /* Process Locked */ + __HAL_LOCK(hrtc); + + hrtc->State = HAL_RTC_STATE_BUSY; + + /* Disable the write protection for RTC registers */ + __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc); + + /* Set Initialization mode */ + if (RTC_EnterInitMode(hrtc) != HAL_OK) + { + /* Enable the write protection for RTC registers */ + __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc); + + /* Set RTC state*/ + hrtc->State = HAL_RTC_STATE_ERROR; + + /* Process Unlocked */ + __HAL_UNLOCK(hrtc); + + return HAL_ERROR; + } + else + { + __HAL_RTC_CLOCKREF_DETECTION_ENABLE(hrtc); + + /* Exit Initialization mode */ + hrtc->Instance->ISR &= (uint32_t)~RTC_ISR_INIT; + } + + /* 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 Disable the RTC reference clock detection. + * @param hrtc RTC handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_RTCEx_DeactivateRefClock(RTC_HandleTypeDef *hrtc) +{ + /* Process Locked */ + __HAL_LOCK(hrtc); + + hrtc->State = HAL_RTC_STATE_BUSY; + + /* Disable the write protection for RTC registers */ + __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc); + + /* Set Initialization mode */ + if (RTC_EnterInitMode(hrtc) != HAL_OK) + { + /* Enable the write protection for RTC registers */ + __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc); + + /* Set RTC state*/ + hrtc->State = HAL_RTC_STATE_ERROR; + + /* Process Unlocked */ + __HAL_UNLOCK(hrtc); + + return HAL_ERROR; + } + else + { + __HAL_RTC_CLOCKREF_DETECTION_DISABLE(hrtc); + + /* Exit Initialization mode */ + hrtc->Instance->ISR &= (uint32_t)~RTC_ISR_INIT; + } + + /* 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 Enable the Bypass Shadow feature. + * @param hrtc RTC handle + * @note When the Bypass Shadow is enabled the calendar value are taken + * directly from the Calendar counter. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_RTCEx_EnableBypassShadow(RTC_HandleTypeDef *hrtc) +{ + /* Process Locked */ + __HAL_LOCK(hrtc); + + hrtc->State = HAL_RTC_STATE_BUSY; + + /* Disable the write protection for RTC registers */ + __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc); + + /* Set the BYPSHAD bit */ + hrtc->Instance->CR |= (uint8_t)RTC_CR_BYPSHAD; + + /* 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 Disable the Bypass Shadow feature. + * @param hrtc RTC handle + * @note When the Bypass Shadow is enabled the calendar value are taken + * directly from the Calendar counter. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_RTCEx_DisableBypassShadow(RTC_HandleTypeDef *hrtc) +{ + /* Process Locked */ + __HAL_LOCK(hrtc); + + hrtc->State = HAL_RTC_STATE_BUSY; + + /* Disable the write protection for RTC registers */ + __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc); + + /* Reset the BYPSHAD bit */ + hrtc->Instance->CR &= ((uint8_t)~RTC_CR_BYPSHAD); + + /* 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; +} + +/** + * @} + */ + +/** + * @} + */ + +#endif /* HAL_RTC_MODULE_ENABLED */ + +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit