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Diffstat (limited to 'c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rtc.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rtc.c | 1545 |
1 files changed, 0 insertions, 1545 deletions
diff --git a/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rtc.c b/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rtc.c deleted file mode 100644 index 89ccf875fc..0000000000 --- a/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rtc.c +++ /dev/null @@ -1,1545 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f4xx_hal_rtc.c - * @author MCD Application Team - * @version V1.4.0 - * @date 14-August-2015 - * @brief RTC HAL module driver. - * This file provides firmware functions to manage the following - * functionalities of the Real Time Clock (RTC) peripheral: - * + Initialization and de-initialization functions - * + RTC Time and Date functions - * + RTC Alarm functions - * + Peripheral Control functions - * + Peripheral State functions - * - @verbatim - ============================================================================== - ##### Backup Domain Operating Condition ##### - ============================================================================== - [..] The real-time clock (RTC), the RTC backup registers, and the backup - SRAM (BKP SRAM) can be powered from the VBAT voltage when the main - VDD supply is powered off. - To retain the content of the RTC backup registers, backup SRAM, and supply - the RTC when VDD is turned off, VBAT pin can be connected to an optional - standby voltage supplied by a battery or by another source. - - [..] To allow the RTC operating even when the main digital supply (VDD) is turned - off, the VBAT pin powers the following blocks: - (#) The RTC - (#) The LSE oscillator - (#) The backup SRAM when the low power backup regulator is enabled - (#) PC13 to PC15 I/Os, plus PI8 I/O (when available) - - [..] When the backup domain is supplied by VDD (analog switch connected to VDD), - the following pins are available: - (#) PC14 and PC15 can be used as either GPIO or LSE pins - (#) PC13 can be used as a GPIO or as the RTC_AF1 pin - (#) PI8 can be used as a GPIO or as the RTC_AF2 pin - - [..] When the backup domain is supplied by VBAT (analog switch connected to VBAT - because VDD is not present), the following pins are available: - (#) PC14 and PC15 can be used as LSE pins only - (#) PC13 can be used as the RTC_AF1 pin - (#) PI8 can be used as the RTC_AF2 pin - - ##### Backup Domain Reset ##### - ================================================================== - [..] The backup domain reset sets all RTC registers and the RCC_BDCR register - to their reset values. The BKPSRAM is not affected by this reset. The only - way to reset the BKPSRAM is through the Flash interface by requesting - a protection level change from 1 to 0. - [..] A backup domain reset is generated when one of the following events occurs: - (#) Software reset, triggered by setting the BDRST bit in the - RCC Backup domain control register (RCC_BDCR). - (#) VDD or VBAT power on, if both supplies have previously been powered off. - - ##### Backup Domain Access ##### - ================================================================== - [..] After reset, the backup domain (RTC registers, RTC backup data - registers and backup SRAM) is protected against possible unwanted write - accesses. - [..] To enable access to the RTC Domain and RTC registers, proceed as follows: - (+) Enable the Power Controller (PWR) APB1 interface clock using the - __HAL_RCC_PWR_CLK_ENABLE() function. - (+) Enable access to RTC domain using the HAL_PWR_EnableBkUpAccess() function. - (+) Select the RTC clock source using the __HAL_RCC_RTC_CONFIG() function. - (+) Enable RTC Clock using the __HAL_RCC_RTC_ENABLE() function. - - - ##### How to use this driver ##### - ================================================================== - [..] - (+) Enable the RTC domain access (see description in the section above). - (+) Configure the RTC Prescaler (Asynchronous and Synchronous) and RTC hour - format using the HAL_RTC_Init() function. - - *** Time and Date configuration *** - =================================== - [..] - (+) To configure the RTC Calendar (Time and Date) use the HAL_RTC_SetTime() - and HAL_RTC_SetDate() functions. - (+) To read the RTC Calendar, use the HAL_RTC_GetTime() and HAL_RTC_GetDate() functions. - - *** Alarm configuration *** - =========================== - [..] - (+) To configure the RTC Alarm use the HAL_RTC_SetAlarm() function. - You can also configure the RTC Alarm with interrupt mode using the HAL_RTC_SetAlarm_IT() function. - (+) To read the RTC Alarm, use the HAL_RTC_GetAlarm() function. - - ##### RTC and low power modes ##### - ================================================================== - [..] The MCU can be woken up from a low power mode by an RTC alternate - function. - [..] The RTC alternate functions are the RTC alarms (Alarm A and Alarm B), - RTC wake-up, RTC tamper event detection and RTC time stamp event detection. - These RTC alternate functions can wake up the system from the Stop and - Standby low power modes. - [..] The system can also wake up from low power modes without depending - on an external interrupt (Auto-wake-up mode), by using the RTC alarm - or the RTC wake-up events. - [..] The RTC provides a programmable time base for waking up from the - Stop or Standby mode at regular intervals. - Wake-up from STOP and STANDBY modes is possible only when the RTC clock source - is LSE or LSI. - - @endverbatim - ****************************************************************************** - * @attention - * - * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************** - */ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f4xx_hal.h" - -/** @addtogroup STM32F4xx_HAL_Driver - * @{ - */ - -/** @defgroup RTC RTC - * @brief RTC HAL module driver - * @{ - */ - -#ifdef HAL_RTC_MODULE_ENABLED - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/* Private functions ---------------------------------------------------------*/ - -/** @defgroup RTC_Exported_Functions RTC Exported Functions - * @{ - */ - -/** @defgroup RTC_Exported_Functions_Group1 Initialization and de-initialization functions - * @brief Initialization and Configuration functions - * -@verbatim - =============================================================================== - ##### Initialization and de-initialization functions ##### - =============================================================================== - [..] This section provides functions allowing to initialize and configure the - RTC Prescaler (Synchronous and Asynchronous), RTC Hour format, disable - RTC registers Write protection, enter and exit the RTC initialization mode, - RTC registers synchronization check and reference clock detection enable. - (#) The RTC Prescaler is programmed to generate the RTC 1Hz time base. - It is split into 2 programmable prescalers to minimize power consumption. - (++) A 7-bit asynchronous prescaler and a 13-bit synchronous prescaler. - (++) When both prescalers are used, it is recommended to configure the - asynchronous prescaler to a high value to minimize power consumption. - (#) All RTC registers are Write protected. Writing to the RTC registers - is enabled by writing a key into the Write Protection register, RTC_WPR. - (#) To configure the RTC Calendar, user application should enter - initialization mode. In this mode, the calendar counter is stopped - and its value can be updated. When the initialization sequence is - complete, the calendar restarts counting after 4 RTCCLK cycles. - (#) 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.The HAL_RTC_WaitForSynchro() function - implements the above software sequence (RSF clear and RSF check). - -@endverbatim - * @{ - */ - -/** - * @brief Initializes the RTC peripheral - * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains - * the configuration information for RTC. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_RTC_Init(RTC_HandleTypeDef *hrtc) -{ - /* Check the RTC peripheral state */ - if(hrtc == NULL) - { - return HAL_ERROR; - } - - /* Check the parameters */ - assert_param(IS_RTC_HOUR_FORMAT(hrtc->Init.HourFormat)); - assert_param(IS_RTC_ASYNCH_PREDIV(hrtc->Init.AsynchPrediv)); - assert_param(IS_RTC_SYNCH_PREDIV(hrtc->Init.SynchPrediv)); - assert_param (IS_RTC_OUTPUT(hrtc->Init.OutPut)); - assert_param (IS_RTC_OUTPUT_POL(hrtc->Init.OutPutPolarity)); - assert_param(IS_RTC_OUTPUT_TYPE(hrtc->Init.OutPutType)); - - if(hrtc->State == HAL_RTC_STATE_RESET) - { - /* Allocate lock resource and initialize it */ - hrtc->Lock = HAL_UNLOCKED; - /* Initialize RTC MSP */ - HAL_RTC_MspInit(hrtc); - } - - /* Set RTC state */ - 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; - - return HAL_ERROR; - } - else - { - /* Clear RTC_CR FMT, OSEL and POL Bits */ - hrtc->Instance->CR &= ((uint32_t)~(RTC_CR_FMT | RTC_CR_OSEL | RTC_CR_POL)); - /* Set RTC_CR register */ - hrtc->Instance->CR |= (uint32_t)(hrtc->Init.HourFormat | hrtc->Init.OutPut | hrtc->Init.OutPutPolarity); - - /* Configure the RTC PRER */ - hrtc->Instance->PRER = (uint32_t)(hrtc->Init.SynchPrediv); - hrtc->Instance->PRER |= (uint32_t)(hrtc->Init.AsynchPrediv << 16); - - /* Exit Initialization mode */ - hrtc->Instance->ISR &= (uint32_t)~RTC_ISR_INIT; - - hrtc->Instance->TAFCR &= (uint32_t)~RTC_TAFCR_ALARMOUTTYPE; - hrtc->Instance->TAFCR |= (uint32_t)(hrtc->Init.OutPutType); - - /* Enable the write protection for RTC registers */ - __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc); - - /* Set RTC state */ - hrtc->State = HAL_RTC_STATE_READY; - - return HAL_OK; - } -} - -/** - * @brief DeInitializes the RTC peripheral - * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains - * the configuration information for RTC. - * @note This function doesn't reset the RTC Backup Data registers. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_RTC_DeInit(RTC_HandleTypeDef *hrtc) -{ - uint32_t tickstart = 0; - - /* Set RTC state */ - 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; - - return HAL_ERROR; - } - else - { - /* Reset TR, DR and CR registers */ - hrtc->Instance->TR = (uint32_t)0x00000000; - hrtc->Instance->DR = (uint32_t)0x00002101; - /* Reset All CR bits except CR[2:0] */ - hrtc->Instance->CR &= (uint32_t)0x00000007; - - /* Get tick */ - tickstart = HAL_GetTick(); - - /* Wait till WUTWF flag is set and if Time out is reached exit */ - while(((hrtc->Instance->ISR) & RTC_ISR_WUTWF) == (uint32_t)RESET) - { - if((HAL_GetTick() - tickstart ) > RTC_TIMEOUT_VALUE) - { - /* Enable the write protection for RTC registers */ - __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc); - - /* Set RTC state */ - hrtc->State = HAL_RTC_STATE_TIMEOUT; - - return HAL_TIMEOUT; - } - } - - /* Reset all RTC CR register bits */ - hrtc->Instance->CR &= (uint32_t)0x00000000; - hrtc->Instance->WUTR = (uint32_t)0x0000FFFF; - hrtc->Instance->PRER = (uint32_t)0x007F00FF; - hrtc->Instance->CALIBR = (uint32_t)0x00000000; - hrtc->Instance->ALRMAR = (uint32_t)0x00000000; - hrtc->Instance->ALRMBR = (uint32_t)0x00000000; - hrtc->Instance->SHIFTR = (uint32_t)0x00000000; - hrtc->Instance->CALR = (uint32_t)0x00000000; - hrtc->Instance->ALRMASSR = (uint32_t)0x00000000; - hrtc->Instance->ALRMBSSR = (uint32_t)0x00000000; - - /* Reset ISR register and exit initialization mode */ - hrtc->Instance->ISR = (uint32_t)0x00000000; - - /* Reset Tamper and alternate functions configuration register */ - hrtc->Instance->TAFCR = 0x00000000; - - /* 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; - - return HAL_ERROR; - } - } - } - - /* Enable the write protection for RTC registers */ - __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc); - - /* De-Initialize RTC MSP */ - HAL_RTC_MspDeInit(hrtc); - - hrtc->State = HAL_RTC_STATE_RESET; - - /* Release Lock */ - __HAL_UNLOCK(hrtc); - - return HAL_OK; -} - -/** - * @brief Initializes the RTC MSP. - * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains - * the configuration information for RTC. - * @retval None - */ -__weak void HAL_RTC_MspInit(RTC_HandleTypeDef* hrtc) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_RTC_MspInit could be implemented in the user file - */ -} - -/** - * @brief DeInitializes the RTC MSP. - * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains - * the configuration information for RTC. - * @retval None - */ -__weak void HAL_RTC_MspDeInit(RTC_HandleTypeDef* hrtc) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_RTC_MspDeInit could be implemented in the user file - */ -} - -/** - * @} - */ - -/** @defgroup RTC_Exported_Functions_Group2 RTC Time and Date functions - * @brief RTC Time and Date functions - * -@verbatim - =============================================================================== - ##### RTC Time and Date functions ##### - =============================================================================== - - [..] This section provides functions allowing to configure Time and Date features - -@endverbatim - * @{ - */ - -/** - * @brief Sets RTC current time. - * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains - * the configuration information for RTC. - * @param sTime: Pointer to Time 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_SetTime(RTC_HandleTypeDef *hrtc, RTC_TimeTypeDef *sTime, uint32_t Format) -{ - uint32_t tmpreg = 0; - - /* Check the parameters */ - assert_param(IS_RTC_FORMAT(Format)); - assert_param(IS_RTC_DAYLIGHT_SAVING(sTime->DayLightSaving)); - assert_param(IS_RTC_STORE_OPERATION(sTime->StoreOperation)); - - /* 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(sTime->Hours)); - assert_param(IS_RTC_HOURFORMAT12(sTime->TimeFormat)); - } - else - { - sTime->TimeFormat = 0x00; - assert_param(IS_RTC_HOUR24(sTime->Hours)); - } - assert_param(IS_RTC_MINUTES(sTime->Minutes)); - assert_param(IS_RTC_SECONDS(sTime->Seconds)); - - tmpreg = (uint32_t)(((uint32_t)RTC_ByteToBcd2(sTime->Hours) << 16) | \ - ((uint32_t)RTC_ByteToBcd2(sTime->Minutes) << 8) | \ - ((uint32_t)RTC_ByteToBcd2(sTime->Seconds)) | \ - (((uint32_t)sTime->TimeFormat) << 16)); - } - else - { - if((hrtc->Instance->CR & RTC_CR_FMT) != (uint32_t)RESET) - { - tmpreg = RTC_Bcd2ToByte(sTime->Hours); - assert_param(IS_RTC_HOUR12(tmpreg)); - assert_param(IS_RTC_HOURFORMAT12(sTime->TimeFormat)); - } - else - { - sTime->TimeFormat = 0x00; - assert_param(IS_RTC_HOUR24(RTC_Bcd2ToByte(sTime->Hours))); - } - assert_param(IS_RTC_MINUTES(RTC_Bcd2ToByte(sTime->Minutes))); - assert_param(IS_RTC_SECONDS(RTC_Bcd2ToByte(sTime->Seconds))); - tmpreg = (((uint32_t)(sTime->Hours) << 16) | \ - ((uint32_t)(sTime->Minutes) << 8) | \ - ((uint32_t)sTime->Seconds) | \ - ((uint32_t)(sTime->TimeFormat) << 16)); - } - - /* 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 - { - /* Set the RTC_TR register */ - hrtc->Instance->TR = (uint32_t)(tmpreg & RTC_TR_RESERVED_MASK); - - /* Clear the bits to be configured */ - hrtc->Instance->CR &= (uint32_t)~RTC_CR_BCK; - - /* Configure the RTC_CR register */ - hrtc->Instance->CR |= (uint32_t)(sTime->DayLightSaving | sTime->StoreOperation); - - /* 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; - - __HAL_UNLOCK(hrtc); - - return HAL_OK; - } -} - -/** - * @brief Gets RTC current time. - * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains - * the configuration information for RTC. - * @param sTime: Pointer to Time 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 can use SubSeconds and SecondFraction (sTime structure fields returned) to convert SubSeconds - * value in second fraction ratio with time unit following generic formula: - * Second fraction ratio * time_unit= [(SecondFraction-SubSeconds)/(SecondFraction+1)] * time_unit - * This conversion can be performed only if no shift operation is pending (ie. SHFP=0) when PREDIV_S >= SS - * @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_GetTime(RTC_HandleTypeDef *hrtc, RTC_TimeTypeDef *sTime, uint32_t Format) -{ - uint32_t tmpreg = 0; - - /* Check the parameters */ - assert_param(IS_RTC_FORMAT(Format)); - - /* Get subseconds structure field from the corresponding register */ - sTime->SubSeconds = (uint32_t)(hrtc->Instance->SSR); - - /* Get SecondFraction structure field from the corresponding register field*/ - sTime->SecondFraction = (uint32_t)(hrtc->Instance->PRER & RTC_PRER_PREDIV_S); - - /* Get the TR register */ - tmpreg = (uint32_t)(hrtc->Instance->TR & RTC_TR_RESERVED_MASK); - - /* Fill the structure fields with the read parameters */ - sTime->Hours = (uint8_t)((tmpreg & (RTC_TR_HT | RTC_TR_HU)) >> 16); - sTime->Minutes = (uint8_t)((tmpreg & (RTC_TR_MNT | RTC_TR_MNU)) >>8); - sTime->Seconds = (uint8_t)(tmpreg & (RTC_TR_ST | RTC_TR_SU)); - sTime->TimeFormat = (uint8_t)((tmpreg & (RTC_TR_PM)) >> 16); - - /* Check the input parameters format */ - if(Format == RTC_FORMAT_BIN) - { - /* Convert the time structure parameters to Binary format */ - sTime->Hours = (uint8_t)RTC_Bcd2ToByte(sTime->Hours); - sTime->Minutes = (uint8_t)RTC_Bcd2ToByte(sTime->Minutes); - sTime->Seconds = (uint8_t)RTC_Bcd2ToByte(sTime->Seconds); - } - - return HAL_OK; -} - -/** - * @brief Sets 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 - * @retval HAL status - */ -HAL_StatusTypeDef HAL_RTC_SetDate(RTC_HandleTypeDef *hrtc, RTC_DateTypeDef *sDate, uint32_t Format) -{ - uint32_t datetmpreg = 0; - - /* Check the parameters */ - assert_param(IS_RTC_FORMAT(Format)); - - /* Process Locked */ - __HAL_LOCK(hrtc); - - hrtc->State = HAL_RTC_STATE_BUSY; - - if((Format == RTC_FORMAT_BIN) && ((sDate->Month & 0x10) == 0x10)) - { - sDate->Month = (uint8_t)((sDate->Month & (uint8_t)~(0x10)) + (uint8_t)0x0A); - } - - assert_param(IS_RTC_WEEKDAY(sDate->WeekDay)); - - if(Format == RTC_FORMAT_BIN) - { - assert_param(IS_RTC_YEAR(sDate->Year)); - assert_param(IS_RTC_MONTH(sDate->Month)); - assert_param(IS_RTC_DATE(sDate->Date)); - - datetmpreg = (((uint32_t)RTC_ByteToBcd2(sDate->Year) << 16) | \ - ((uint32_t)RTC_ByteToBcd2(sDate->Month) << 8) | \ - ((uint32_t)RTC_ByteToBcd2(sDate->Date)) | \ - ((uint32_t)sDate->WeekDay << 13)); - } - else - { - assert_param(IS_RTC_YEAR(RTC_Bcd2ToByte(sDate->Year))); - datetmpreg = RTC_Bcd2ToByte(sDate->Month); - assert_param(IS_RTC_MONTH(datetmpreg)); - datetmpreg = RTC_Bcd2ToByte(sDate->Date); - assert_param(IS_RTC_DATE(datetmpreg)); - - datetmpreg = ((((uint32_t)sDate->Year) << 16) | \ - (((uint32_t)sDate->Month) << 8) | \ - ((uint32_t)sDate->Date) | \ - (((uint32_t)sDate->WeekDay) << 13)); - } - - /* 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 - { - /* 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****/ |