From a81fc41c3eb99e8fc52aa734ee63e13c937aab81 Mon Sep 17 00:00:00 2001 From: JanHenrik Date: Sun, 19 Jan 2020 00:56:37 +0100 Subject: added blink example --- .../STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_rtc.c | 725 +++++++++++++++++++++ 1 file changed, 725 insertions(+) create mode 100644 Blink/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_rtc.c (limited to 'Blink/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_rtc.c') diff --git a/Blink/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_rtc.c b/Blink/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_rtc.c new file mode 100644 index 0000000..b9eb1ef --- /dev/null +++ b/Blink/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_ll_rtc.c @@ -0,0 +1,725 @@ +/** + ****************************************************************************** + * @file stm32f0xx_ll_rtc.c + * @author MCD Application Team + * @brief RTC LL module driver. + ****************************************************************************** + * @attention + * + *

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

+ * + * This software component is licensed by ST under BSD 3-Clause license, + * the "License"; You may not use this file except in compliance with the + * License. You may obtain a copy of the License at: + * opensource.org/licenses/BSD-3-Clause + * + ****************************************************************************** + */ + +#if defined(USE_FULL_LL_DRIVER) + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f0xx_ll_rtc.h" +#include "stm32f0xx_ll_cortex.h" +#ifdef USE_FULL_ASSERT +#include "stm32_assert.h" +#else +#define assert_param(expr) ((void)0U) +#endif + +/** @addtogroup STM32F0xx_LL_Driver + * @{ + */ + +#if defined(RTC) + +/** @addtogroup RTC_LL + * @{ + */ + +/* Private types -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private constants ---------------------------------------------------------*/ +/** @addtogroup RTC_LL_Private_Constants + * @{ + */ +/* Default values used for prescaler */ +#define RTC_ASYNCH_PRESC_DEFAULT 0x0000007FU +#define RTC_SYNCH_PRESC_DEFAULT 0x000000FFU + +/* Values used for timeout */ +#define RTC_INITMODE_TIMEOUT 1000U /* 1s when tick set to 1ms */ +#define RTC_SYNCHRO_TIMEOUT 1000U /* 1s when tick set to 1ms */ +/** + * @} + */ + +/* Private macros ------------------------------------------------------------*/ +/** @addtogroup RTC_LL_Private_Macros + * @{ + */ + +#define IS_LL_RTC_HOURFORMAT(__VALUE__) (((__VALUE__) == LL_RTC_HOURFORMAT_24HOUR) \ + || ((__VALUE__) == LL_RTC_HOURFORMAT_AMPM)) + +#define IS_LL_RTC_ASYNCH_PREDIV(__VALUE__) ((__VALUE__) <= 0x7FU) + +#define IS_LL_RTC_SYNCH_PREDIV(__VALUE__) ((__VALUE__) <= 0x7FFFU) + +#define IS_LL_RTC_FORMAT(__VALUE__) (((__VALUE__) == LL_RTC_FORMAT_BIN) \ + || ((__VALUE__) == LL_RTC_FORMAT_BCD)) + +#define IS_LL_RTC_TIME_FORMAT(__VALUE__) (((__VALUE__) == LL_RTC_TIME_FORMAT_AM_OR_24) \ + || ((__VALUE__) == LL_RTC_TIME_FORMAT_PM)) + +#define IS_LL_RTC_HOUR12(__HOUR__) (((__HOUR__) > 0U) && ((__HOUR__) <= 12U)) +#define IS_LL_RTC_HOUR24(__HOUR__) ((__HOUR__) <= 23U) +#define IS_LL_RTC_MINUTES(__MINUTES__) ((__MINUTES__) <= 59U) +#define IS_LL_RTC_SECONDS(__SECONDS__) ((__SECONDS__) <= 59U) + +#define IS_LL_RTC_WEEKDAY(__VALUE__) (((__VALUE__) == LL_RTC_WEEKDAY_MONDAY) \ + || ((__VALUE__) == LL_RTC_WEEKDAY_TUESDAY) \ + || ((__VALUE__) == LL_RTC_WEEKDAY_WEDNESDAY) \ + || ((__VALUE__) == LL_RTC_WEEKDAY_THURSDAY) \ + || ((__VALUE__) == LL_RTC_WEEKDAY_FRIDAY) \ + || ((__VALUE__) == LL_RTC_WEEKDAY_SATURDAY) \ + || ((__VALUE__) == LL_RTC_WEEKDAY_SUNDAY)) + +#define IS_LL_RTC_DAY(__DAY__) (((__DAY__) >= 1U) && ((__DAY__) <= 31U)) + +#define IS_LL_RTC_MONTH(__VALUE__) (((__VALUE__) == LL_RTC_MONTH_JANUARY) \ + || ((__VALUE__) == LL_RTC_MONTH_FEBRUARY) \ + || ((__VALUE__) == LL_RTC_MONTH_MARCH) \ + || ((__VALUE__) == LL_RTC_MONTH_APRIL) \ + || ((__VALUE__) == LL_RTC_MONTH_MAY) \ + || ((__VALUE__) == LL_RTC_MONTH_JUNE) \ + || ((__VALUE__) == LL_RTC_MONTH_JULY) \ + || ((__VALUE__) == LL_RTC_MONTH_AUGUST) \ + || ((__VALUE__) == LL_RTC_MONTH_SEPTEMBER) \ + || ((__VALUE__) == LL_RTC_MONTH_OCTOBER) \ + || ((__VALUE__) == LL_RTC_MONTH_NOVEMBER) \ + || ((__VALUE__) == LL_RTC_MONTH_DECEMBER)) + +#define IS_LL_RTC_YEAR(__YEAR__) ((__YEAR__) <= 99U) + +#define IS_LL_RTC_ALMA_MASK(__VALUE__) (((__VALUE__) == LL_RTC_ALMA_MASK_NONE) \ + || ((__VALUE__) == LL_RTC_ALMA_MASK_DATEWEEKDAY) \ + || ((__VALUE__) == LL_RTC_ALMA_MASK_HOURS) \ + || ((__VALUE__) == LL_RTC_ALMA_MASK_MINUTES) \ + || ((__VALUE__) == LL_RTC_ALMA_MASK_SECONDS) \ + || ((__VALUE__) == LL_RTC_ALMA_MASK_ALL)) + + +#define IS_LL_RTC_ALMA_DATE_WEEKDAY_SEL(__SEL__) (((__SEL__) == LL_RTC_ALMA_DATEWEEKDAYSEL_DATE) || \ + ((__SEL__) == LL_RTC_ALMA_DATEWEEKDAYSEL_WEEKDAY)) + + +/** + * @} + */ +/* Private function prototypes -----------------------------------------------*/ +/* Exported functions --------------------------------------------------------*/ +/** @addtogroup RTC_LL_Exported_Functions + * @{ + */ + +/** @addtogroup RTC_LL_EF_Init + * @{ + */ + +/** + * @brief De-Initializes the RTC registers to their default reset values. + * @note This function doesn't reset the RTC Clock source and RTC Backup Data + * registers. + * @param RTCx RTC Instance + * @retval An ErrorStatus enumeration value: + * - SUCCESS: RTC registers are de-initialized + * - ERROR: RTC registers are not de-initialized + */ +ErrorStatus LL_RTC_DeInit(RTC_TypeDef *RTCx) +{ + ErrorStatus status = ERROR; + + /* Check the parameter */ + assert_param(IS_RTC_ALL_INSTANCE(RTCx)); + + /* Disable the write protection for RTC registers */ + LL_RTC_DisableWriteProtection(RTCx); + + /* Set Initialization mode */ + if (LL_RTC_EnterInitMode(RTCx) != ERROR) + { + /* Reset TR, DR and CR registers */ + LL_RTC_WriteReg(RTCx, TR, 0x00000000U); +#if defined(RTC_WAKEUP_SUPPORT) + LL_RTC_WriteReg(RTCx, WUTR, RTC_WUTR_WUT); +#endif /* RTC_WAKEUP_SUPPORT */ + LL_RTC_WriteReg(RTCx, DR, (RTC_DR_WDU_0 | RTC_DR_MU_0 | RTC_DR_DU_0)); + /* Reset All CR bits except CR[2:0] */ +#if defined(RTC_WAKEUP_SUPPORT) + LL_RTC_WriteReg(RTCx, CR, (LL_RTC_ReadReg(RTCx, CR) & RTC_CR_WUCKSEL)); +#else + LL_RTC_WriteReg(RTCx, CR, 0x00000000U); +#endif /* RTC_WAKEUP_SUPPORT */ + LL_RTC_WriteReg(RTCx, PRER, (RTC_PRER_PREDIV_A | RTC_SYNCH_PRESC_DEFAULT)); + LL_RTC_WriteReg(RTCx, ALRMAR, 0x00000000U); + LL_RTC_WriteReg(RTCx, SHIFTR, 0x00000000U); + LL_RTC_WriteReg(RTCx, CALR, 0x00000000U); + LL_RTC_WriteReg(RTCx, ALRMASSR, 0x00000000U); + + /* Reset ISR register and exit initialization mode */ + LL_RTC_WriteReg(RTCx, ISR, 0x00000000U); + + /* Reset Tamper and alternate functions configuration register */ + LL_RTC_WriteReg(RTCx, TAFCR, 0x00000000U); + + /* Wait till the RTC RSF flag is set */ + status = LL_RTC_WaitForSynchro(RTCx); + } + + /* Enable the write protection for RTC registers */ + LL_RTC_EnableWriteProtection(RTCx); + + return status; +} + +/** + * @brief Initializes the RTC registers according to the specified parameters + * in RTC_InitStruct. + * @param RTCx RTC Instance + * @param RTC_InitStruct pointer to a @ref LL_RTC_InitTypeDef structure that contains + * the configuration information for the RTC peripheral. + * @note The RTC Prescaler register is write protected and can be written in + * initialization mode only. + * @retval An ErrorStatus enumeration value: + * - SUCCESS: RTC registers are initialized + * - ERROR: RTC registers are not initialized + */ +ErrorStatus LL_RTC_Init(RTC_TypeDef *RTCx, LL_RTC_InitTypeDef *RTC_InitStruct) +{ + ErrorStatus status = ERROR; + + /* Check the parameters */ + assert_param(IS_RTC_ALL_INSTANCE(RTCx)); + assert_param(IS_LL_RTC_HOURFORMAT(RTC_InitStruct->HourFormat)); + assert_param(IS_LL_RTC_ASYNCH_PREDIV(RTC_InitStruct->AsynchPrescaler)); + assert_param(IS_LL_RTC_SYNCH_PREDIV(RTC_InitStruct->SynchPrescaler)); + + /* Disable the write protection for RTC registers */ + LL_RTC_DisableWriteProtection(RTCx); + + /* Set Initialization mode */ + if (LL_RTC_EnterInitMode(RTCx) != ERROR) + { + /* Set Hour Format */ + LL_RTC_SetHourFormat(RTCx, RTC_InitStruct->HourFormat); + + /* Configure Synchronous and Asynchronous prescaler factor */ + LL_RTC_SetSynchPrescaler(RTCx, RTC_InitStruct->SynchPrescaler); + LL_RTC_SetAsynchPrescaler(RTCx, RTC_InitStruct->AsynchPrescaler); + + /* Exit Initialization mode */ + LL_RTC_DisableInitMode(RTCx); + + status = SUCCESS; + } + /* Enable the write protection for RTC registers */ + LL_RTC_EnableWriteProtection(RTCx); + + return status; +} + +/** + * @brief Set each @ref LL_RTC_InitTypeDef field to default value. + * @param RTC_InitStruct pointer to a @ref LL_RTC_InitTypeDef structure which will be initialized. + * @retval None + */ +void LL_RTC_StructInit(LL_RTC_InitTypeDef *RTC_InitStruct) +{ + /* Set RTC_InitStruct fields to default values */ + RTC_InitStruct->HourFormat = LL_RTC_HOURFORMAT_24HOUR; + RTC_InitStruct->AsynchPrescaler = RTC_ASYNCH_PRESC_DEFAULT; + RTC_InitStruct->SynchPrescaler = RTC_SYNCH_PRESC_DEFAULT; +} + +/** + * @brief Set the RTC current time. + * @param RTCx RTC Instance + * @param RTC_Format This parameter can be one of the following values: + * @arg @ref LL_RTC_FORMAT_BIN + * @arg @ref LL_RTC_FORMAT_BCD + * @param RTC_TimeStruct pointer to a RTC_TimeTypeDef structure that contains + * the time configuration information for the RTC. + * @retval An ErrorStatus enumeration value: + * - SUCCESS: RTC Time register is configured + * - ERROR: RTC Time register is not configured + */ +ErrorStatus LL_RTC_TIME_Init(RTC_TypeDef *RTCx, uint32_t RTC_Format, LL_RTC_TimeTypeDef *RTC_TimeStruct) +{ + ErrorStatus status = ERROR; + + /* Check the parameters */ + assert_param(IS_RTC_ALL_INSTANCE(RTCx)); + assert_param(IS_LL_RTC_FORMAT(RTC_Format)); + + if (RTC_Format == LL_RTC_FORMAT_BIN) + { + if (LL_RTC_GetHourFormat(RTCx) != LL_RTC_HOURFORMAT_24HOUR) + { + assert_param(IS_LL_RTC_HOUR12(RTC_TimeStruct->Hours)); + assert_param(IS_LL_RTC_TIME_FORMAT(RTC_TimeStruct->TimeFormat)); + } + else + { + RTC_TimeStruct->TimeFormat = 0x00U; + assert_param(IS_LL_RTC_HOUR24(RTC_TimeStruct->Hours)); + } + assert_param(IS_LL_RTC_MINUTES(RTC_TimeStruct->Minutes)); + assert_param(IS_LL_RTC_SECONDS(RTC_TimeStruct->Seconds)); + } + else + { + if (LL_RTC_GetHourFormat(RTCx) != LL_RTC_HOURFORMAT_24HOUR) + { + assert_param(IS_LL_RTC_HOUR12(__LL_RTC_CONVERT_BCD2BIN(RTC_TimeStruct->Hours))); + assert_param(IS_LL_RTC_TIME_FORMAT(RTC_TimeStruct->TimeFormat)); + } + else + { + RTC_TimeStruct->TimeFormat = 0x00U; + assert_param(IS_LL_RTC_HOUR24(__LL_RTC_CONVERT_BCD2BIN(RTC_TimeStruct->Hours))); + } + assert_param(IS_LL_RTC_MINUTES(__LL_RTC_CONVERT_BCD2BIN(RTC_TimeStruct->Minutes))); + assert_param(IS_LL_RTC_SECONDS(__LL_RTC_CONVERT_BCD2BIN(RTC_TimeStruct->Seconds))); + } + + /* Disable the write protection for RTC registers */ + LL_RTC_DisableWriteProtection(RTCx); + + /* Set Initialization mode */ + if (LL_RTC_EnterInitMode(RTCx) != ERROR) + { + /* Check the input parameters format */ + if (RTC_Format != LL_RTC_FORMAT_BIN) + { + LL_RTC_TIME_Config(RTCx, RTC_TimeStruct->TimeFormat, RTC_TimeStruct->Hours, + RTC_TimeStruct->Minutes, RTC_TimeStruct->Seconds); + } + else + { + LL_RTC_TIME_Config(RTCx, RTC_TimeStruct->TimeFormat, __LL_RTC_CONVERT_BIN2BCD(RTC_TimeStruct->Hours), + __LL_RTC_CONVERT_BIN2BCD(RTC_TimeStruct->Minutes), + __LL_RTC_CONVERT_BIN2BCD(RTC_TimeStruct->Seconds)); + } + + /* Exit Initialization mode */ + LL_RTC_DisableInitMode(RTC); + + /* If RTC_CR_BYPSHAD bit = 0, wait for synchro else this check is not needed */ + if (LL_RTC_IsShadowRegBypassEnabled(RTCx) == 0U) + { + status = LL_RTC_WaitForSynchro(RTCx); + } + else + { + status = SUCCESS; + } + } + /* Enable the write protection for RTC registers */ + LL_RTC_EnableWriteProtection(RTCx); + + return status; +} + +/** + * @brief Set each @ref LL_RTC_TimeTypeDef field to default value (Time = 00h:00min:00sec). + * @param RTC_TimeStruct pointer to a @ref LL_RTC_TimeTypeDef structure which will be initialized. + * @retval None + */ +void LL_RTC_TIME_StructInit(LL_RTC_TimeTypeDef *RTC_TimeStruct) +{ + /* Time = 00h:00min:00sec */ + RTC_TimeStruct->TimeFormat = LL_RTC_TIME_FORMAT_AM_OR_24; + RTC_TimeStruct->Hours = 0U; + RTC_TimeStruct->Minutes = 0U; + RTC_TimeStruct->Seconds = 0U; +} + +/** + * @brief Set the RTC current date. + * @param RTCx RTC Instance + * @param RTC_Format This parameter can be one of the following values: + * @arg @ref LL_RTC_FORMAT_BIN + * @arg @ref LL_RTC_FORMAT_BCD + * @param RTC_DateStruct pointer to a RTC_DateTypeDef structure that contains + * the date configuration information for the RTC. + * @retval An ErrorStatus enumeration value: + * - SUCCESS: RTC Day register is configured + * - ERROR: RTC Day register is not configured + */ +ErrorStatus LL_RTC_DATE_Init(RTC_TypeDef *RTCx, uint32_t RTC_Format, LL_RTC_DateTypeDef *RTC_DateStruct) +{ + ErrorStatus status = ERROR; + + /* Check the parameters */ + assert_param(IS_RTC_ALL_INSTANCE(RTCx)); + assert_param(IS_LL_RTC_FORMAT(RTC_Format)); + + if ((RTC_Format == LL_RTC_FORMAT_BIN) && ((RTC_DateStruct->Month & 0x10U) == 0x10U)) + { + RTC_DateStruct->Month = (RTC_DateStruct->Month & (uint32_t)~(0x10U)) + 0x0AU; + } + if (RTC_Format == LL_RTC_FORMAT_BIN) + { + assert_param(IS_LL_RTC_YEAR(RTC_DateStruct->Year)); + assert_param(IS_LL_RTC_MONTH(RTC_DateStruct->Month)); + assert_param(IS_LL_RTC_DAY(RTC_DateStruct->Day)); + } + else + { + assert_param(IS_LL_RTC_YEAR(__LL_RTC_CONVERT_BCD2BIN(RTC_DateStruct->Year))); + assert_param(IS_LL_RTC_MONTH(__LL_RTC_CONVERT_BCD2BIN(RTC_DateStruct->Month))); + assert_param(IS_LL_RTC_DAY(__LL_RTC_CONVERT_BCD2BIN(RTC_DateStruct->Day))); + } + assert_param(IS_LL_RTC_WEEKDAY(RTC_DateStruct->WeekDay)); + + /* Disable the write protection for RTC registers */ + LL_RTC_DisableWriteProtection(RTCx); + + /* Set Initialization mode */ + if (LL_RTC_EnterInitMode(RTCx) != ERROR) + { + /* Check the input parameters format */ + if (RTC_Format != LL_RTC_FORMAT_BIN) + { + LL_RTC_DATE_Config(RTCx, RTC_DateStruct->WeekDay, RTC_DateStruct->Day, RTC_DateStruct->Month, RTC_DateStruct->Year); + } + else + { + LL_RTC_DATE_Config(RTCx, RTC_DateStruct->WeekDay, __LL_RTC_CONVERT_BIN2BCD(RTC_DateStruct->Day), + __LL_RTC_CONVERT_BIN2BCD(RTC_DateStruct->Month), __LL_RTC_CONVERT_BIN2BCD(RTC_DateStruct->Year)); + } + + /* Exit Initialization mode */ + LL_RTC_DisableInitMode(RTC); + + /* If RTC_CR_BYPSHAD bit = 0, wait for synchro else this check is not needed */ + if (LL_RTC_IsShadowRegBypassEnabled(RTCx) == 0U) + { + status = LL_RTC_WaitForSynchro(RTCx); + } + else + { + status = SUCCESS; + } + } + /* Enable the write protection for RTC registers */ + LL_RTC_EnableWriteProtection(RTCx); + + return status; +} + +/** + * @brief Set each @ref LL_RTC_DateTypeDef field to default value (date = Monday, January 01 xx00) + * @param RTC_DateStruct pointer to a @ref LL_RTC_DateTypeDef structure which will be initialized. + * @retval None + */ +void LL_RTC_DATE_StructInit(LL_RTC_DateTypeDef *RTC_DateStruct) +{ + /* Monday, January 01 xx00 */ + RTC_DateStruct->WeekDay = LL_RTC_WEEKDAY_MONDAY; + RTC_DateStruct->Day = 1U; + RTC_DateStruct->Month = LL_RTC_MONTH_JANUARY; + RTC_DateStruct->Year = 0U; +} + +/** + * @brief Set the RTC Alarm A. + * @note The Alarm register can only be written when the corresponding Alarm + * is disabled (Use @ref LL_RTC_ALMA_Disable function). + * @param RTCx RTC Instance + * @param RTC_Format This parameter can be one of the following values: + * @arg @ref LL_RTC_FORMAT_BIN + * @arg @ref LL_RTC_FORMAT_BCD + * @param RTC_AlarmStruct pointer to a @ref LL_RTC_AlarmTypeDef structure that + * contains the alarm configuration parameters. + * @retval An ErrorStatus enumeration value: + * - SUCCESS: ALARMA registers are configured + * - ERROR: ALARMA registers are not configured + */ +ErrorStatus LL_RTC_ALMA_Init(RTC_TypeDef *RTCx, uint32_t RTC_Format, LL_RTC_AlarmTypeDef *RTC_AlarmStruct) +{ + /* Check the parameters */ + assert_param(IS_RTC_ALL_INSTANCE(RTCx)); + assert_param(IS_LL_RTC_FORMAT(RTC_Format)); + assert_param(IS_LL_RTC_ALMA_MASK(RTC_AlarmStruct->AlarmMask)); + assert_param(IS_LL_RTC_ALMA_DATE_WEEKDAY_SEL(RTC_AlarmStruct->AlarmDateWeekDaySel)); + + if (RTC_Format == LL_RTC_FORMAT_BIN) + { + if (LL_RTC_GetHourFormat(RTCx) != LL_RTC_HOURFORMAT_24HOUR) + { + assert_param(IS_LL_RTC_HOUR12(RTC_AlarmStruct->AlarmTime.Hours)); + assert_param(IS_LL_RTC_TIME_FORMAT(RTC_AlarmStruct->AlarmTime.TimeFormat)); + } + else + { + RTC_AlarmStruct->AlarmTime.TimeFormat = 0x00U; + assert_param(IS_LL_RTC_HOUR24(RTC_AlarmStruct->AlarmTime.Hours)); + } + assert_param(IS_LL_RTC_MINUTES(RTC_AlarmStruct->AlarmTime.Minutes)); + assert_param(IS_LL_RTC_SECONDS(RTC_AlarmStruct->AlarmTime.Seconds)); + + if (RTC_AlarmStruct->AlarmDateWeekDaySel == LL_RTC_ALMA_DATEWEEKDAYSEL_DATE) + { + assert_param(IS_LL_RTC_DAY(RTC_AlarmStruct->AlarmDateWeekDay)); + } + else + { + assert_param(IS_LL_RTC_WEEKDAY(RTC_AlarmStruct->AlarmDateWeekDay)); + } + } + else + { + if (LL_RTC_GetHourFormat(RTCx) != LL_RTC_HOURFORMAT_24HOUR) + { + assert_param(IS_LL_RTC_HOUR12(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmTime.Hours))); + assert_param(IS_LL_RTC_TIME_FORMAT(RTC_AlarmStruct->AlarmTime.TimeFormat)); + } + else + { + RTC_AlarmStruct->AlarmTime.TimeFormat = 0x00U; + assert_param(IS_LL_RTC_HOUR24(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmTime.Hours))); + } + + assert_param(IS_LL_RTC_MINUTES(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmTime.Minutes))); + assert_param(IS_LL_RTC_SECONDS(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmTime.Seconds))); + + if (RTC_AlarmStruct->AlarmDateWeekDaySel == LL_RTC_ALMA_DATEWEEKDAYSEL_DATE) + { + assert_param(IS_LL_RTC_DAY(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmDateWeekDay))); + } + else + { + assert_param(IS_LL_RTC_WEEKDAY(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmDateWeekDay))); + } + } + + /* Disable the write protection for RTC registers */ + LL_RTC_DisableWriteProtection(RTCx); + + /* Select weekday selection */ + if (RTC_AlarmStruct->AlarmDateWeekDaySel == LL_RTC_ALMA_DATEWEEKDAYSEL_DATE) + { + /* Set the date for ALARM */ + LL_RTC_ALMA_DisableWeekday(RTCx); + if (RTC_Format != LL_RTC_FORMAT_BIN) + { + LL_RTC_ALMA_SetDay(RTCx, RTC_AlarmStruct->AlarmDateWeekDay); + } + else + { + LL_RTC_ALMA_SetDay(RTCx, __LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmDateWeekDay)); + } + } + else + { + /* Set the week day for ALARM */ + LL_RTC_ALMA_EnableWeekday(RTCx); + LL_RTC_ALMA_SetWeekDay(RTCx, RTC_AlarmStruct->AlarmDateWeekDay); + } + + /* Configure the Alarm register */ + if (RTC_Format != LL_RTC_FORMAT_BIN) + { + LL_RTC_ALMA_ConfigTime(RTCx, RTC_AlarmStruct->AlarmTime.TimeFormat, RTC_AlarmStruct->AlarmTime.Hours, + RTC_AlarmStruct->AlarmTime.Minutes, RTC_AlarmStruct->AlarmTime.Seconds); + } + else + { + LL_RTC_ALMA_ConfigTime(RTCx, RTC_AlarmStruct->AlarmTime.TimeFormat, + __LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmTime.Hours), + __LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmTime.Minutes), + __LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmTime.Seconds)); + } + /* Set ALARM mask */ + LL_RTC_ALMA_SetMask(RTCx, RTC_AlarmStruct->AlarmMask); + + /* Enable the write protection for RTC registers */ + LL_RTC_EnableWriteProtection(RTCx); + + return SUCCESS; +} + +/** + * @brief Set each @ref LL_RTC_AlarmTypeDef of ALARMA field to default value (Time = 00h:00mn:00sec / + * Day = 1st day of the month/Mask = all fields are masked). + * @param RTC_AlarmStruct pointer to a @ref LL_RTC_AlarmTypeDef structure which will be initialized. + * @retval None + */ +void LL_RTC_ALMA_StructInit(LL_RTC_AlarmTypeDef *RTC_AlarmStruct) +{ + /* Alarm Time Settings : Time = 00h:00mn:00sec */ + RTC_AlarmStruct->AlarmTime.TimeFormat = LL_RTC_ALMA_TIME_FORMAT_AM; + RTC_AlarmStruct->AlarmTime.Hours = 0U; + RTC_AlarmStruct->AlarmTime.Minutes = 0U; + RTC_AlarmStruct->AlarmTime.Seconds = 0U; + + /* Alarm Day Settings : Day = 1st day of the month */ + RTC_AlarmStruct->AlarmDateWeekDaySel = LL_RTC_ALMA_DATEWEEKDAYSEL_DATE; + RTC_AlarmStruct->AlarmDateWeekDay = 1U; + + /* Alarm Masks Settings : Mask = all fields are not masked */ + RTC_AlarmStruct->AlarmMask = LL_RTC_ALMA_MASK_NONE; +} + +/** + * @brief Enters the RTC Initialization mode. + * @note The RTC Initialization mode is write protected, use the + * @ref LL_RTC_DisableWriteProtection before calling this function. + * @param RTCx RTC Instance + * @retval An ErrorStatus enumeration value: + * - SUCCESS: RTC is in Init mode + * - ERROR: RTC is not in Init mode + */ +ErrorStatus LL_RTC_EnterInitMode(RTC_TypeDef *RTCx) +{ + __IO uint32_t timeout = RTC_INITMODE_TIMEOUT; + ErrorStatus status = SUCCESS; + uint32_t tmp = 0U; + + /* Check the parameter */ + assert_param(IS_RTC_ALL_INSTANCE(RTCx)); + + /* Check if the Initialization mode is set */ + if (LL_RTC_IsActiveFlag_INIT(RTCx) == 0U) + { + /* Set the Initialization mode */ + LL_RTC_EnableInitMode(RTCx); + + /* Wait till RTC is in INIT state and if Time out is reached exit */ + tmp = LL_RTC_IsActiveFlag_INIT(RTCx); + while ((timeout != 0U) && (tmp != 1U)) + { + if (LL_SYSTICK_IsActiveCounterFlag() == 1U) + { + timeout --; + } + tmp = LL_RTC_IsActiveFlag_INIT(RTCx); + if (timeout == 0U) + { + status = ERROR; + } + } + } + return status; +} + +/** + * @brief Exit the RTC Initialization mode. + * @note When the initialization sequence is complete, the calendar restarts + * counting after 4 RTCCLK cycles. + * @note The RTC Initialization mode is write protected, use the + * @ref LL_RTC_DisableWriteProtection before calling this function. + * @param RTCx RTC Instance + * @retval An ErrorStatus enumeration value: + * - SUCCESS: RTC exited from in Init mode + * - ERROR: Not applicable + */ +ErrorStatus LL_RTC_ExitInitMode(RTC_TypeDef *RTCx) +{ + /* Check the parameter */ + assert_param(IS_RTC_ALL_INSTANCE(RTCx)); + + /* Disable initialization mode */ + LL_RTC_DisableInitMode(RTCx); + + return SUCCESS; +} + +/** + * @brief Waits until the RTC Time and Day registers (RTC_TR and RTC_DR) are + * synchronized with RTC APB clock. + * @note The RTC Resynchronization mode is write protected, use the + * @ref LL_RTC_DisableWriteProtection before calling this function. + * @note To read the calendar through the shadow registers after Calendar + * initialization, calendar update or after wakeup 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 RTCx RTC Instance + * @retval An ErrorStatus enumeration value: + * - SUCCESS: RTC registers are synchronised + * - ERROR: RTC registers are not synchronised + */ +ErrorStatus LL_RTC_WaitForSynchro(RTC_TypeDef *RTCx) +{ + __IO uint32_t timeout = RTC_SYNCHRO_TIMEOUT; + ErrorStatus status = SUCCESS; + uint32_t tmp = 0U; + + /* Check the parameter */ + assert_param(IS_RTC_ALL_INSTANCE(RTCx)); + + /* Clear RSF flag */ + LL_RTC_ClearFlag_RS(RTCx); + + /* Wait the registers to be synchronised */ + tmp = LL_RTC_IsActiveFlag_RS(RTCx); + while ((timeout != 0U) && (tmp != 0U)) + { + if (LL_SYSTICK_IsActiveCounterFlag() == 1U) + { + timeout--; + } + tmp = LL_RTC_IsActiveFlag_RS(RTCx); + if (timeout == 0U) + { + status = ERROR; + } + } + + if (status != ERROR) + { + timeout = RTC_SYNCHRO_TIMEOUT; + tmp = LL_RTC_IsActiveFlag_RS(RTCx); + while ((timeout != 0U) && (tmp != 1U)) + { + if (LL_SYSTICK_IsActiveCounterFlag() == 1U) + { + timeout--; + } + tmp = LL_RTC_IsActiveFlag_RS(RTCx); + if (timeout == 0U) + { + status = ERROR; + } + } + } + + return (status); +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#endif /* defined(RTC) */ + +/** + * @} + */ + +#endif /* USE_FULL_LL_DRIVER */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit