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/** |
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****************************************************************************** |
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* @file stm32f0xx_ll_rtc.c |
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* @author MCD Application Team |
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* @brief RTC LL module driver. |
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****************************************************************************** |
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* @attention |
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* |
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* <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> |
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* |
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* Redistribution and use in source and binary forms, with or without modification, |
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* are permitted provided that the following conditions are met: |
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* 1. Redistributions of source code must retain the above copyright notice, |
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* this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright notice, |
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* this list of conditions and the following disclaimer in the documentation |
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* and/or other materials provided with the distribution. |
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* 3. Neither the name of STMicroelectronics nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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****************************************************************************** |
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*/ |
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#if defined(USE_FULL_LL_DRIVER) |
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/* Includes ------------------------------------------------------------------*/ |
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#include "stm32f0xx_ll_rtc.h" |
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#include "stm32f0xx_ll_cortex.h" |
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#ifdef USE_FULL_ASSERT |
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#include "stm32_assert.h" |
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#else |
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#define assert_param(expr) ((void)0U) |
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#endif |
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/** @addtogroup STM32F0xx_LL_Driver |
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* @{ |
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*/ |
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#if defined(RTC) |
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/** @addtogroup RTC_LL |
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* @{ |
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*/ |
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/* Private types -------------------------------------------------------------*/ |
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/* Private variables ---------------------------------------------------------*/ |
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/* Private constants ---------------------------------------------------------*/ |
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/** @addtogroup RTC_LL_Private_Constants |
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* @{ |
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*/ |
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/* Default values used for prescaler */ |
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#define RTC_ASYNCH_PRESC_DEFAULT 0x0000007FU |
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#define RTC_SYNCH_PRESC_DEFAULT 0x000000FFU |
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/* Values used for timeout */ |
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#define RTC_INITMODE_TIMEOUT 1000U /* 1s when tick set to 1ms */ |
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#define RTC_SYNCHRO_TIMEOUT 1000U /* 1s when tick set to 1ms */ |
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/** |
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* @} |
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*/ |
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/* Private macros ------------------------------------------------------------*/ |
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/** @addtogroup RTC_LL_Private_Macros |
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* @{ |
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*/ |
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#define IS_LL_RTC_HOURFORMAT(__VALUE__) (((__VALUE__) == LL_RTC_HOURFORMAT_24HOUR) \ |
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|| ((__VALUE__) == LL_RTC_HOURFORMAT_AMPM)) |
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#define IS_LL_RTC_ASYNCH_PREDIV(__VALUE__) ((__VALUE__) <= 0x7FU) |
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#define IS_LL_RTC_SYNCH_PREDIV(__VALUE__) ((__VALUE__) <= 0x7FFFU) |
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#define IS_LL_RTC_FORMAT(__VALUE__) (((__VALUE__) == LL_RTC_FORMAT_BIN) \ |
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|| ((__VALUE__) == LL_RTC_FORMAT_BCD)) |
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#define IS_LL_RTC_TIME_FORMAT(__VALUE__) (((__VALUE__) == LL_RTC_TIME_FORMAT_AM_OR_24) \ |
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|| ((__VALUE__) == LL_RTC_TIME_FORMAT_PM)) |
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#define IS_LL_RTC_HOUR12(__HOUR__) (((__HOUR__) > 0U) && ((__HOUR__) <= 12U)) |
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#define IS_LL_RTC_HOUR24(__HOUR__) ((__HOUR__) <= 23U) |
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#define IS_LL_RTC_MINUTES(__MINUTES__) ((__MINUTES__) <= 59U) |
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#define IS_LL_RTC_SECONDS(__SECONDS__) ((__SECONDS__) <= 59U) |
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#define IS_LL_RTC_WEEKDAY(__VALUE__) (((__VALUE__) == LL_RTC_WEEKDAY_MONDAY) \ |
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|| ((__VALUE__) == LL_RTC_WEEKDAY_TUESDAY) \ |
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|| ((__VALUE__) == LL_RTC_WEEKDAY_WEDNESDAY) \ |
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|| ((__VALUE__) == LL_RTC_WEEKDAY_THURSDAY) \ |
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|| ((__VALUE__) == LL_RTC_WEEKDAY_FRIDAY) \ |
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|| ((__VALUE__) == LL_RTC_WEEKDAY_SATURDAY) \ |
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|| ((__VALUE__) == LL_RTC_WEEKDAY_SUNDAY)) |
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#define IS_LL_RTC_DAY(__DAY__) (((__DAY__) >= 1U) && ((__DAY__) <= 31U)) |
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#define IS_LL_RTC_MONTH(__VALUE__) (((__VALUE__) == LL_RTC_MONTH_JANUARY) \ |
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|| ((__VALUE__) == LL_RTC_MONTH_FEBRUARY) \ |
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|| ((__VALUE__) == LL_RTC_MONTH_MARCH) \ |
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|| ((__VALUE__) == LL_RTC_MONTH_APRIL) \ |
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|| ((__VALUE__) == LL_RTC_MONTH_MAY) \ |
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|| ((__VALUE__) == LL_RTC_MONTH_JUNE) \ |
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|| ((__VALUE__) == LL_RTC_MONTH_JULY) \ |
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|| ((__VALUE__) == LL_RTC_MONTH_AUGUST) \ |
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|| ((__VALUE__) == LL_RTC_MONTH_SEPTEMBER) \ |
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|| ((__VALUE__) == LL_RTC_MONTH_OCTOBER) \ |
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|| ((__VALUE__) == LL_RTC_MONTH_NOVEMBER) \ |
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|| ((__VALUE__) == LL_RTC_MONTH_DECEMBER)) |
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#define IS_LL_RTC_YEAR(__YEAR__) ((__YEAR__) <= 99U) |
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#define IS_LL_RTC_ALMA_MASK(__VALUE__) (((__VALUE__) == LL_RTC_ALMA_MASK_NONE) \ |
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|| ((__VALUE__) == LL_RTC_ALMA_MASK_DATEWEEKDAY) \ |
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|| ((__VALUE__) == LL_RTC_ALMA_MASK_HOURS) \ |
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|| ((__VALUE__) == LL_RTC_ALMA_MASK_MINUTES) \ |
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|| ((__VALUE__) == LL_RTC_ALMA_MASK_SECONDS) \ |
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|| ((__VALUE__) == LL_RTC_ALMA_MASK_ALL)) |
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#define IS_LL_RTC_ALMA_DATE_WEEKDAY_SEL(__SEL__) (((__SEL__) == LL_RTC_ALMA_DATEWEEKDAYSEL_DATE) || \ |
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((__SEL__) == LL_RTC_ALMA_DATEWEEKDAYSEL_WEEKDAY)) |
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/** |
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* @} |
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*/ |
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/* Private function prototypes -----------------------------------------------*/ |
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/* Exported functions --------------------------------------------------------*/ |
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/** @addtogroup RTC_LL_Exported_Functions |
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* @{ |
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*/ |
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/** @addtogroup RTC_LL_EF_Init |
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* @{ |
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*/ |
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/** |
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* @brief De-Initializes the RTC registers to their default reset values. |
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* @note This function doesn't reset the RTC Clock source and RTC Backup Data |
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* registers. |
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* @param RTCx RTC Instance |
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* @retval An ErrorStatus enumeration value: |
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* - SUCCESS: RTC registers are de-initialized |
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* - ERROR: RTC registers are not de-initialized |
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*/ |
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ErrorStatus LL_RTC_DeInit(RTC_TypeDef *RTCx) |
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{ |
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ErrorStatus status = ERROR; |
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/* Check the parameter */ |
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assert_param(IS_RTC_ALL_INSTANCE(RTCx)); |
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/* Disable the write protection for RTC registers */ |
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LL_RTC_DisableWriteProtection(RTCx); |
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/* Set Initialization mode */ |
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if (LL_RTC_EnterInitMode(RTCx) != ERROR) |
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{ |
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/* Reset TR, DR and CR registers */ |
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LL_RTC_WriteReg(RTCx, TR, 0x00000000U); |
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#if defined(RTC_WAKEUP_SUPPORT) |
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LL_RTC_WriteReg(RTCx, WUTR, RTC_WUTR_WUT); |
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#endif /* RTC_WAKEUP_SUPPORT */ |
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LL_RTC_WriteReg(RTCx, DR , (RTC_DR_WDU_0 | RTC_DR_MU_0 | RTC_DR_DU_0)); |
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/* Reset All CR bits except CR[2:0] */ |
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#if defined(RTC_WAKEUP_SUPPORT) |
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LL_RTC_WriteReg(RTCx, CR, (LL_RTC_ReadReg(RTCx, CR) & RTC_CR_WUCKSEL)); |
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#else |
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LL_RTC_WriteReg(RTCx, CR, 0x00000000U); |
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#endif /* RTC_WAKEUP_SUPPORT */ |
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LL_RTC_WriteReg(RTCx, PRER, (RTC_PRER_PREDIV_A | RTC_SYNCH_PRESC_DEFAULT)); |
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LL_RTC_WriteReg(RTCx, ALRMAR, 0x00000000U); |
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LL_RTC_WriteReg(RTCx, SHIFTR, 0x00000000U); |
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LL_RTC_WriteReg(RTCx, CALR, 0x00000000U); |
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LL_RTC_WriteReg(RTCx, ALRMASSR, 0x00000000U); |
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/* Reset ISR register and exit initialization mode */ |
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LL_RTC_WriteReg(RTCx, ISR, 0x00000000U); |
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/* Reset Tamper and alternate functions configuration register */ |
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LL_RTC_WriteReg(RTCx, TAFCR, 0x00000000U); |
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/* Wait till the RTC RSF flag is set */ |
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status = LL_RTC_WaitForSynchro(RTCx); |
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} |
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/* Enable the write protection for RTC registers */ |
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LL_RTC_EnableWriteProtection(RTCx); |
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return status; |
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} |
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/** |
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* @brief Initializes the RTC registers according to the specified parameters |
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* in RTC_InitStruct. |
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* @param RTCx RTC Instance |
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* @param RTC_InitStruct pointer to a @ref LL_RTC_InitTypeDef structure that contains |
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* the configuration information for the RTC peripheral. |
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* @note The RTC Prescaler register is write protected and can be written in |
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* initialization mode only. |
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* @retval An ErrorStatus enumeration value: |
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* - SUCCESS: RTC registers are initialized |
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* - ERROR: RTC registers are not initialized |
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*/ |
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ErrorStatus LL_RTC_Init(RTC_TypeDef *RTCx, LL_RTC_InitTypeDef *RTC_InitStruct) |
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{ |
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ErrorStatus status = ERROR; |
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/* Check the parameters */ |
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assert_param(IS_RTC_ALL_INSTANCE(RTCx)); |
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assert_param(IS_LL_RTC_HOURFORMAT(RTC_InitStruct->HourFormat)); |
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assert_param(IS_LL_RTC_ASYNCH_PREDIV(RTC_InitStruct->AsynchPrescaler)); |
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assert_param(IS_LL_RTC_SYNCH_PREDIV(RTC_InitStruct->SynchPrescaler)); |
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/* Disable the write protection for RTC registers */ |
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LL_RTC_DisableWriteProtection(RTCx); |
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/* Set Initialization mode */ |
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if (LL_RTC_EnterInitMode(RTCx) != ERROR) |
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{ |
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/* Set Hour Format */ |
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LL_RTC_SetHourFormat(RTCx, RTC_InitStruct->HourFormat); |
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/* Configure Synchronous and Asynchronous prescaler factor */ |
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LL_RTC_SetSynchPrescaler(RTCx, RTC_InitStruct->SynchPrescaler); |
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LL_RTC_SetAsynchPrescaler(RTCx, RTC_InitStruct->AsynchPrescaler); |
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/* Exit Initialization mode */ |
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LL_RTC_DisableInitMode(RTCx); |
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status = SUCCESS; |
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} |
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/* Enable the write protection for RTC registers */ |
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LL_RTC_EnableWriteProtection(RTCx); |
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return status; |
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} |
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/** |
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* @brief Set each @ref LL_RTC_InitTypeDef field to default value. |
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* @param RTC_InitStruct pointer to a @ref LL_RTC_InitTypeDef structure which will be initialized. |
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* @retval None |
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*/ |
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void LL_RTC_StructInit(LL_RTC_InitTypeDef *RTC_InitStruct) |
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{ |
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/* Set RTC_InitStruct fields to default values */ |
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RTC_InitStruct->HourFormat = LL_RTC_HOURFORMAT_24HOUR; |
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RTC_InitStruct->AsynchPrescaler = RTC_ASYNCH_PRESC_DEFAULT; |
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RTC_InitStruct->SynchPrescaler = RTC_SYNCH_PRESC_DEFAULT; |
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} |
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/** |
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* @brief Set the RTC current time. |
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* @param RTCx RTC Instance |
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* @param RTC_Format This parameter can be one of the following values: |
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* @arg @ref LL_RTC_FORMAT_BIN |
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* @arg @ref LL_RTC_FORMAT_BCD |
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* @param RTC_TimeStruct pointer to a RTC_TimeTypeDef structure that contains |
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* the time configuration information for the RTC. |
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* @retval An ErrorStatus enumeration value: |
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* - SUCCESS: RTC Time register is configured |
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* - ERROR: RTC Time register is not configured |
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*/ |
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ErrorStatus LL_RTC_TIME_Init(RTC_TypeDef *RTCx, uint32_t RTC_Format, LL_RTC_TimeTypeDef *RTC_TimeStruct) |
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{ |
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ErrorStatus status = ERROR; |
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/* Check the parameters */ |
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assert_param(IS_RTC_ALL_INSTANCE(RTCx)); |
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assert_param(IS_LL_RTC_FORMAT(RTC_Format)); |
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if (RTC_Format == LL_RTC_FORMAT_BIN) |
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{ |
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if (LL_RTC_GetHourFormat(RTCx) != LL_RTC_HOURFORMAT_24HOUR) |
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{ |
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assert_param(IS_LL_RTC_HOUR12(RTC_TimeStruct->Hours)); |
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assert_param(IS_LL_RTC_TIME_FORMAT(RTC_TimeStruct->TimeFormat)); |
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} |
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else |
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{ |
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RTC_TimeStruct->TimeFormat = 0x00U; |
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assert_param(IS_LL_RTC_HOUR24(RTC_TimeStruct->Hours)); |
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} |
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assert_param(IS_LL_RTC_MINUTES(RTC_TimeStruct->Minutes)); |
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assert_param(IS_LL_RTC_SECONDS(RTC_TimeStruct->Seconds)); |
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} |
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else |
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{ |
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if (LL_RTC_GetHourFormat(RTCx) != LL_RTC_HOURFORMAT_24HOUR) |
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{ |
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assert_param(IS_LL_RTC_HOUR12(__LL_RTC_CONVERT_BCD2BIN(RTC_TimeStruct->Hours))); |
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assert_param(IS_LL_RTC_TIME_FORMAT(RTC_TimeStruct->TimeFormat)); |
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} |
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else |
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{ |
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RTC_TimeStruct->TimeFormat = 0x00U; |
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assert_param(IS_LL_RTC_HOUR24(__LL_RTC_CONVERT_BCD2BIN(RTC_TimeStruct->Hours))); |
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} |
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assert_param(IS_LL_RTC_MINUTES(__LL_RTC_CONVERT_BCD2BIN(RTC_TimeStruct->Minutes))); |
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assert_param(IS_LL_RTC_SECONDS(__LL_RTC_CONVERT_BCD2BIN(RTC_TimeStruct->Seconds))); |
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} |
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/* Disable the write protection for RTC registers */ |
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LL_RTC_DisableWriteProtection(RTCx); |
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/* Set Initialization mode */ |
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if (LL_RTC_EnterInitMode(RTCx) != ERROR) |
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{ |
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/* Check the input parameters format */ |
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if (RTC_Format != LL_RTC_FORMAT_BIN) |
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{ |
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LL_RTC_TIME_Config(RTCx, RTC_TimeStruct->TimeFormat, RTC_TimeStruct->Hours, |
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RTC_TimeStruct->Minutes, RTC_TimeStruct->Seconds); |
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} |
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else |
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{ |
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LL_RTC_TIME_Config(RTCx, RTC_TimeStruct->TimeFormat, __LL_RTC_CONVERT_BIN2BCD(RTC_TimeStruct->Hours), |
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__LL_RTC_CONVERT_BIN2BCD(RTC_TimeStruct->Minutes), |
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__LL_RTC_CONVERT_BIN2BCD(RTC_TimeStruct->Seconds)); |
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} |
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/* Exit Initialization mode */ |
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LL_RTC_DisableInitMode(RTC); |
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/* If RTC_CR_BYPSHAD bit = 0, wait for synchro else this check is not needed */ |
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if (LL_RTC_IsShadowRegBypassEnabled(RTCx) == 0U) |
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{ |
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status = LL_RTC_WaitForSynchro(RTCx); |
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} |
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else |
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{ |
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status = SUCCESS; |
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} |
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} |
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/* Enable the write protection for RTC registers */ |
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LL_RTC_EnableWriteProtection(RTCx); |
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return status; |
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} |
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|
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/** |
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* @brief Set each @ref LL_RTC_TimeTypeDef field to default value (Time = 00h:00min:00sec). |
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* @param RTC_TimeStruct pointer to a @ref LL_RTC_TimeTypeDef structure which will be initialized. |
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* @retval None |
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*/ |
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void LL_RTC_TIME_StructInit(LL_RTC_TimeTypeDef *RTC_TimeStruct) |
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{ |
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/* Time = 00h:00min:00sec */ |
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RTC_TimeStruct->TimeFormat = LL_RTC_TIME_FORMAT_AM_OR_24; |
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RTC_TimeStruct->Hours = 0U; |
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RTC_TimeStruct->Minutes = 0U; |
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RTC_TimeStruct->Seconds = 0U; |
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} |
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|
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/** |
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* @brief Set the RTC current date. |
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* @param RTCx RTC Instance |
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* @param RTC_Format This parameter can be one of the following values: |
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* @arg @ref LL_RTC_FORMAT_BIN |
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* @arg @ref LL_RTC_FORMAT_BCD |
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* @param RTC_DateStruct pointer to a RTC_DateTypeDef structure that contains |
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* the date configuration information for the RTC. |
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* @retval An ErrorStatus enumeration value: |
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* - SUCCESS: RTC Day register is configured |
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* - ERROR: RTC Day register is not configured |
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*/ |
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ErrorStatus LL_RTC_DATE_Init(RTC_TypeDef *RTCx, uint32_t RTC_Format, LL_RTC_DateTypeDef *RTC_DateStruct) |
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{ |
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ErrorStatus status = ERROR; |
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|
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/* Check the parameters */ |
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assert_param(IS_RTC_ALL_INSTANCE(RTCx)); |
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assert_param(IS_LL_RTC_FORMAT(RTC_Format)); |
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if ((RTC_Format == LL_RTC_FORMAT_BIN) && ((RTC_DateStruct->Month & 0x10U) == 0x10U)) |
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{ |
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RTC_DateStruct->Month = (RTC_DateStruct->Month & (uint32_t)~(0x10U)) + 0x0AU; |
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} |
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if (RTC_Format == LL_RTC_FORMAT_BIN) |
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{ |
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assert_param(IS_LL_RTC_YEAR(RTC_DateStruct->Year)); |
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assert_param(IS_LL_RTC_MONTH(RTC_DateStruct->Month)); |
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assert_param(IS_LL_RTC_DAY(RTC_DateStruct->Day)); |
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} |
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else |
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{ |
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assert_param(IS_LL_RTC_YEAR(__LL_RTC_CONVERT_BCD2BIN(RTC_DateStruct->Year))); |
|
397 |
assert_param(IS_LL_RTC_MONTH(__LL_RTC_CONVERT_BCD2BIN(RTC_DateStruct->Month))); |
|
398 |
assert_param(IS_LL_RTC_DAY(__LL_RTC_CONVERT_BCD2BIN(RTC_DateStruct->Day))); |
|
399 |
} |
|
400 |
assert_param(IS_LL_RTC_WEEKDAY(RTC_DateStruct->WeekDay)); |
|
401 |
|
|
402 |
/* Disable the write protection for RTC registers */ |
|
403 |
LL_RTC_DisableWriteProtection(RTCx); |
|
404 |
|
|
405 |
/* Set Initialization mode */ |
|
406 |
if (LL_RTC_EnterInitMode(RTCx) != ERROR) |
|
407 |
{ |
|
408 |
/* Check the input parameters format */ |
|
409 |
if (RTC_Format != LL_RTC_FORMAT_BIN) |
|
410 |
{ |
|
411 |
LL_RTC_DATE_Config(RTCx, RTC_DateStruct->WeekDay, RTC_DateStruct->Day, RTC_DateStruct->Month, RTC_DateStruct->Year); |
|
412 |
} |
|
413 |
else |
|
414 |
{ |
|
415 |
LL_RTC_DATE_Config(RTCx, RTC_DateStruct->WeekDay, __LL_RTC_CONVERT_BIN2BCD(RTC_DateStruct->Day), |
|
416 |
__LL_RTC_CONVERT_BIN2BCD(RTC_DateStruct->Month), __LL_RTC_CONVERT_BIN2BCD(RTC_DateStruct->Year)); |
|
417 |
} |
|
418 |
|
|
419 |
/* Exit Initialization mode */ |
|
420 |
LL_RTC_DisableInitMode(RTC); |
|
421 |
|
|
422 |
/* If RTC_CR_BYPSHAD bit = 0, wait for synchro else this check is not needed */ |
|
423 |
if (LL_RTC_IsShadowRegBypassEnabled(RTCx) == 0U) |
|
424 |
{ |
|
425 |
status = LL_RTC_WaitForSynchro(RTCx); |
|
426 |
} |
|
427 |
else |
|
428 |
{ |
|
429 |
status = SUCCESS; |
|
430 |
} |
|
431 |
} |
|
432 |
/* Enable the write protection for RTC registers */ |
|
433 |
LL_RTC_EnableWriteProtection(RTCx); |
|
434 |
|
|
435 |
return status; |
|
436 |
} |
|
437 |
|
|
438 |
/** |
|
439 |
* @brief Set each @ref LL_RTC_DateTypeDef field to default value (date = Monday, January 01 xx00) |
|
440 |
* @param RTC_DateStruct pointer to a @ref LL_RTC_DateTypeDef structure which will be initialized. |
|
441 |
* @retval None |
|
442 |
*/ |
|
443 |
void LL_RTC_DATE_StructInit(LL_RTC_DateTypeDef *RTC_DateStruct) |
|
444 |
{ |
|
445 |
/* Monday, January 01 xx00 */ |
|
446 |
RTC_DateStruct->WeekDay = LL_RTC_WEEKDAY_MONDAY; |
|
447 |
RTC_DateStruct->Day = 1U; |
|
448 |
RTC_DateStruct->Month = LL_RTC_MONTH_JANUARY; |
|
449 |
RTC_DateStruct->Year = 0U; |
|
450 |
} |
|
451 |
|
|
452 |
/** |
|
453 |
* @brief Set the RTC Alarm A. |
|
454 |
* @note The Alarm register can only be written when the corresponding Alarm |
|
455 |
* is disabled (Use @ref LL_RTC_ALMA_Disable function). |
|
456 |
* @param RTCx RTC Instance |
|
457 |
* @param RTC_Format This parameter can be one of the following values: |
|
458 |
* @arg @ref LL_RTC_FORMAT_BIN |
|
459 |
* @arg @ref LL_RTC_FORMAT_BCD |
|
460 |
* @param RTC_AlarmStruct pointer to a @ref LL_RTC_AlarmTypeDef structure that |
|
461 |
* contains the alarm configuration parameters. |
|
462 |
* @retval An ErrorStatus enumeration value: |
|
463 |
* - SUCCESS: ALARMA registers are configured |
|
464 |
* - ERROR: ALARMA registers are not configured |
|
465 |
*/ |
|
466 |
ErrorStatus LL_RTC_ALMA_Init(RTC_TypeDef *RTCx, uint32_t RTC_Format, LL_RTC_AlarmTypeDef *RTC_AlarmStruct) |
|
467 |
{ |
|
468 |
/* Check the parameters */ |
|
469 |
assert_param(IS_RTC_ALL_INSTANCE(RTCx)); |
|
470 |
assert_param(IS_LL_RTC_FORMAT(RTC_Format)); |
|
471 |
assert_param(IS_LL_RTC_ALMA_MASK(RTC_AlarmStruct->AlarmMask)); |
|
472 |
assert_param(IS_LL_RTC_ALMA_DATE_WEEKDAY_SEL(RTC_AlarmStruct->AlarmDateWeekDaySel)); |
|
473 |
|
|
474 |
if (RTC_Format == LL_RTC_FORMAT_BIN) |
|
475 |
{ |
|
476 |
if (LL_RTC_GetHourFormat(RTCx) != LL_RTC_HOURFORMAT_24HOUR) |
|
477 |
{ |
|
478 |
assert_param(IS_LL_RTC_HOUR12(RTC_AlarmStruct->AlarmTime.Hours)); |
|
479 |
assert_param(IS_LL_RTC_TIME_FORMAT(RTC_AlarmStruct->AlarmTime.TimeFormat)); |
|
480 |
} |
|
481 |
else |
|
482 |
{ |
|
483 |
RTC_AlarmStruct->AlarmTime.TimeFormat = 0x00U; |
|
484 |
assert_param(IS_LL_RTC_HOUR24(RTC_AlarmStruct->AlarmTime.Hours)); |
|
485 |
} |
|
486 |
assert_param(IS_LL_RTC_MINUTES(RTC_AlarmStruct->AlarmTime.Minutes)); |
|
487 |
assert_param(IS_LL_RTC_SECONDS(RTC_AlarmStruct->AlarmTime.Seconds)); |
|
488 |
|
|
489 |
if (RTC_AlarmStruct->AlarmDateWeekDaySel == LL_RTC_ALMA_DATEWEEKDAYSEL_DATE) |
|
490 |
{ |
|
491 |
assert_param(IS_LL_RTC_DAY(RTC_AlarmStruct->AlarmDateWeekDay)); |
|
492 |
} |
|
493 |
else |
|
494 |
{ |
|
495 |
assert_param(IS_LL_RTC_WEEKDAY(RTC_AlarmStruct->AlarmDateWeekDay)); |
|
496 |
} |
|
497 |
} |
|
498 |
else |
|
499 |
{ |
|
500 |
if (LL_RTC_GetHourFormat(RTCx) != LL_RTC_HOURFORMAT_24HOUR) |
|
501 |
{ |
|
502 |
assert_param(IS_LL_RTC_HOUR12(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmTime.Hours))); |
|
503 |
assert_param(IS_LL_RTC_TIME_FORMAT(RTC_AlarmStruct->AlarmTime.TimeFormat)); |
|
504 |
} |
|
505 |
else |
|
506 |
{ |
|
507 |
RTC_AlarmStruct->AlarmTime.TimeFormat = 0x00U; |
|
508 |
assert_param(IS_LL_RTC_HOUR24(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmTime.Hours))); |
|
509 |
} |
|
510 |
|
|
511 |
assert_param(IS_LL_RTC_MINUTES(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmTime.Minutes))); |
|
512 |
assert_param(IS_LL_RTC_SECONDS(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmTime.Seconds))); |
|
513 |
|
|
514 |
if (RTC_AlarmStruct->AlarmDateWeekDaySel == LL_RTC_ALMA_DATEWEEKDAYSEL_DATE) |
|
515 |
{ |
|
516 |
assert_param(IS_LL_RTC_DAY(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmDateWeekDay))); |
|
517 |
} |
|
518 |
else |
|
519 |
{ |
|
520 |
assert_param(IS_LL_RTC_WEEKDAY(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmDateWeekDay))); |
|
521 |
} |
|
522 |
} |
|
523 |
|
|
524 |
/* Disable the write protection for RTC registers */ |
|
525 |
LL_RTC_DisableWriteProtection(RTCx); |
|
526 |
|
|
527 |
/* Select weekday selection */ |
|
528 |
if (RTC_AlarmStruct->AlarmDateWeekDaySel == LL_RTC_ALMA_DATEWEEKDAYSEL_DATE) |
|
529 |
{ |
|
530 |
/* Set the date for ALARM */ |
|
531 |
LL_RTC_ALMA_DisableWeekday(RTCx); |
|
532 |
if (RTC_Format != LL_RTC_FORMAT_BIN) |
|
533 |
{ |
|
534 |
LL_RTC_ALMA_SetDay(RTCx, RTC_AlarmStruct->AlarmDateWeekDay); |
|
535 |
} |
|
536 |
else |
|
537 |
{ |
|
538 |
LL_RTC_ALMA_SetDay(RTCx, __LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmDateWeekDay)); |
|
539 |
} |
|
540 |
} |
|
541 |
else |
|
542 |
{ |
|
543 |
/* Set the week day for ALARM */ |
|
544 |
LL_RTC_ALMA_EnableWeekday(RTCx); |
|
545 |
LL_RTC_ALMA_SetWeekDay(RTCx, RTC_AlarmStruct->AlarmDateWeekDay); |
|
546 |
} |
|
547 |
|
|
548 |
/* Configure the Alarm register */ |
|
549 |
if (RTC_Format != LL_RTC_FORMAT_BIN) |
|
550 |
{ |
|
551 |
LL_RTC_ALMA_ConfigTime(RTCx, RTC_AlarmStruct->AlarmTime.TimeFormat, RTC_AlarmStruct->AlarmTime.Hours, |
|
552 |
RTC_AlarmStruct->AlarmTime.Minutes, RTC_AlarmStruct->AlarmTime.Seconds); |
|
553 |
} |
|
554 |
else |
|
555 |
{ |
|
556 |
LL_RTC_ALMA_ConfigTime(RTCx, RTC_AlarmStruct->AlarmTime.TimeFormat, |
|
557 |
__LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmTime.Hours), |
|
558 |
__LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmTime.Minutes), |
|
559 |
__LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmTime.Seconds)); |
|
560 |
} |
|
561 |
/* Set ALARM mask */ |
|
562 |
LL_RTC_ALMA_SetMask(RTCx, RTC_AlarmStruct->AlarmMask); |
|
563 |
|
|
564 |
/* Enable the write protection for RTC registers */ |
|
565 |
LL_RTC_EnableWriteProtection(RTCx); |
|
566 |
|
|
567 |
return SUCCESS; |
|
568 |
} |
|
569 |
|
|
570 |
/** |
|
571 |
* @brief Set each @ref LL_RTC_AlarmTypeDef of ALARMA field to default value (Time = 00h:00mn:00sec / |
|
572 |
* Day = 1st day of the month/Mask = all fields are masked). |
|
573 |
* @param RTC_AlarmStruct pointer to a @ref LL_RTC_AlarmTypeDef structure which will be initialized. |
|
574 |
* @retval None |
|
575 |
*/ |
|
576 |
void LL_RTC_ALMA_StructInit(LL_RTC_AlarmTypeDef *RTC_AlarmStruct) |
|
577 |
{ |
|
578 |
/* Alarm Time Settings : Time = 00h:00mn:00sec */ |
|
579 |
RTC_AlarmStruct->AlarmTime.TimeFormat = LL_RTC_ALMA_TIME_FORMAT_AM; |
|
580 |
RTC_AlarmStruct->AlarmTime.Hours = 0U; |
|
581 |
RTC_AlarmStruct->AlarmTime.Minutes = 0U; |
|
582 |
RTC_AlarmStruct->AlarmTime.Seconds = 0U; |
|
583 |
|
|
584 |
/* Alarm Day Settings : Day = 1st day of the month */ |
|
585 |
RTC_AlarmStruct->AlarmDateWeekDaySel = LL_RTC_ALMA_DATEWEEKDAYSEL_DATE; |
|
586 |
RTC_AlarmStruct->AlarmDateWeekDay = 1U; |
|
587 |
|
|
588 |
/* Alarm Masks Settings : Mask = all fields are not masked */ |
|
589 |
RTC_AlarmStruct->AlarmMask = LL_RTC_ALMA_MASK_NONE; |
|
590 |
} |
|
591 |
|
|
592 |
/** |
|
593 |
* @brief Enters the RTC Initialization mode. |
|
594 |
* @note The RTC Initialization mode is write protected, use the |
|
595 |
* @ref LL_RTC_DisableWriteProtection before calling this function. |
|
596 |
* @param RTCx RTC Instance |
|
597 |
* @retval An ErrorStatus enumeration value: |
|
598 |
* - SUCCESS: RTC is in Init mode |
|
599 |
* - ERROR: RTC is not in Init mode |
|
600 |
*/ |
|
601 |
ErrorStatus LL_RTC_EnterInitMode(RTC_TypeDef *RTCx) |
|
602 |
{ |
|
603 |
__IO uint32_t timeout = RTC_INITMODE_TIMEOUT; |
|
604 |
ErrorStatus status = SUCCESS; |
|
605 |
uint32_t tmp = 0U; |
|
606 |
|
|
607 |
/* Check the parameter */ |
|
608 |
assert_param(IS_RTC_ALL_INSTANCE(RTCx)); |
|
609 |
|
|
610 |
/* Check if the Initialization mode is set */ |
|
611 |
if (LL_RTC_IsActiveFlag_INIT(RTCx) == 0U) |
|
612 |
{ |
|
613 |
/* Set the Initialization mode */ |
|
614 |
LL_RTC_EnableInitMode(RTCx); |
|
615 |
|
|
616 |
/* Wait till RTC is in INIT state and if Time out is reached exit */ |
|
617 |
tmp = LL_RTC_IsActiveFlag_INIT(RTCx); |
|
618 |
while ((timeout != 0U) && (tmp != 1U)) |
|
619 |
{ |
|
620 |
if (LL_SYSTICK_IsActiveCounterFlag() == 1U) |
|
621 |
{ |
|
622 |
timeout --; |
|
623 |
} |
|
624 |
tmp = LL_RTC_IsActiveFlag_INIT(RTCx); |
|
625 |
if (timeout == 0U) |
|
626 |
{ |
|
627 |
status = ERROR; |
|
628 |
} |
|
629 |
} |
|
630 |
} |
|
631 |
return status; |
|
632 |
} |
|
633 |
|
|
634 |
/** |
|
635 |
* @brief Exit the RTC Initialization mode. |
|
636 |
* @note When the initialization sequence is complete, the calendar restarts |
|
637 |
* counting after 4 RTCCLK cycles. |
|
638 |
* @note The RTC Initialization mode is write protected, use the |
|
639 |
* @ref LL_RTC_DisableWriteProtection before calling this function. |
|
640 |
* @param RTCx RTC Instance |
|
641 |
* @retval An ErrorStatus enumeration value: |
|
642 |
* - SUCCESS: RTC exited from in Init mode |
|
643 |
* - ERROR: Not applicable |
|
644 |
*/ |
|
645 |
ErrorStatus LL_RTC_ExitInitMode(RTC_TypeDef *RTCx) |
|
646 |
{ |
|
647 |
/* Check the parameter */ |
|
648 |
assert_param(IS_RTC_ALL_INSTANCE(RTCx)); |
|
649 |
|
|
650 |
/* Disable initialization mode */ |
|
651 |
LL_RTC_DisableInitMode(RTCx); |
|
652 |
|
|
653 |
return SUCCESS; |
|
654 |
} |
|
655 |
|
|
656 |
/** |
|
657 |
* @brief Waits until the RTC Time and Day registers (RTC_TR and RTC_DR) are |
|
658 |
* synchronized with RTC APB clock. |
|
659 |
* @note The RTC Resynchronization mode is write protected, use the |
|
660 |
* @ref LL_RTC_DisableWriteProtection before calling this function. |
|
661 |
* @note To read the calendar through the shadow registers after Calendar |
|
662 |
* initialization, calendar update or after wakeup from low power modes |
|
663 |
* the software must first clear the RSF flag. |
|
664 |
* The software must then wait until it is set again before reading |
|
665 |
* the calendar, which means that the calendar registers have been |
|
666 |
* correctly copied into the RTC_TR and RTC_DR shadow registers. |
|
667 |
* @param RTCx RTC Instance |
|
668 |
* @retval An ErrorStatus enumeration value: |
|
669 |
* - SUCCESS: RTC registers are synchronised |
|
670 |
* - ERROR: RTC registers are not synchronised |
|
671 |
*/ |
|
672 |
ErrorStatus LL_RTC_WaitForSynchro(RTC_TypeDef *RTCx) |
|
673 |
{ |
|
674 |
__IO uint32_t timeout = RTC_SYNCHRO_TIMEOUT; |
|
675 |
ErrorStatus status = SUCCESS; |
|
676 |
uint32_t tmp = 0U; |
|
677 |
|
|
678 |
/* Check the parameter */ |
|
679 |
assert_param(IS_RTC_ALL_INSTANCE(RTCx)); |
|
680 |
|
|
681 |
/* Clear RSF flag */ |
|
682 |
LL_RTC_ClearFlag_RS(RTCx); |
|
683 |
|
|
684 |
/* Wait the registers to be synchronised */ |
|
685 |
tmp = LL_RTC_IsActiveFlag_RS(RTCx); |
|
686 |
while ((timeout != 0U) && (tmp != 0U)) |
|
687 |
{ |
|
688 |
if (LL_SYSTICK_IsActiveCounterFlag() == 1U) |
|
689 |
{ |
|
690 |
timeout--; |
|
691 |
} |
|
692 |
tmp = LL_RTC_IsActiveFlag_RS(RTCx); |
|
693 |
if (timeout == 0U) |
|
694 |
{ |
|
695 |
status = ERROR; |
|
696 |
} |
|
697 |
} |
|
698 |
|
|
699 |
if (status != ERROR) |
|
700 |
{ |
|
701 |
timeout = RTC_SYNCHRO_TIMEOUT; |
|
702 |
tmp = LL_RTC_IsActiveFlag_RS(RTCx); |
|
703 |
while ((timeout != 0U) && (tmp != 1U)) |
|
704 |
{ |
|
705 |
if (LL_SYSTICK_IsActiveCounterFlag() == 1U) |
|
706 |
{ |
|
707 |
timeout--; |
|
708 |
} |
|
709 |
tmp = LL_RTC_IsActiveFlag_RS(RTCx); |
|
710 |
if (timeout == 0U) |
|
711 |
{ |
|
712 |
status = ERROR; |
|
713 |
} |
|
714 |
} |
|
715 |
} |
|
716 |
|
|
717 |
return (status); |
|
718 |
} |
|
719 |
|
|
720 |
/** |
|
721 |
* @} |
|
722 |
*/ |
|
723 |
|
|
724 |
/** |
|
725 |
* @} |
|
726 |
*/ |
|
727 |
|
|
728 |
/** |
|
729 |
* @} |
|
730 |
*/ |
|
731 |
|
|
732 |
#endif /* defined(RTC) */ |
|
733 |
|
|
734 |
/** |
|
735 |
* @} |
|
736 |
*/ |
|
737 |
|
|
738 |
#endif /* USE_FULL_LL_DRIVER */ |
|
739 |
|
|
740 |
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |