839 lines
29 KiB
C
839 lines
29 KiB
C
/**
|
|
******************************************************************************
|
|
* @file stm32f4xx_ll_rtc.c
|
|
* @author MCD Application Team
|
|
* @brief RTC LL module driver.
|
|
******************************************************************************
|
|
* @attention
|
|
*
|
|
* Copyright (c) 2017 STMicroelectronics.
|
|
* All rights reserved.
|
|
*
|
|
* This software is licensed under terms that can be found in the LICENSE file
|
|
* in the root directory of this software component.
|
|
* If no LICENSE file comes with this software, it is provided AS-IS.
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
#if defined(USE_FULL_LL_DRIVER)
|
|
|
|
/* Includes ------------------------------------------------------------------*/
|
|
#include "stm32f4xx_ll_rtc.h"
|
|
#include "stm32f4xx_ll_cortex.h"
|
|
#ifdef USE_FULL_ASSERT
|
|
#include "stm32_assert.h"
|
|
#else
|
|
#define assert_param(expr) ((void)0U)
|
|
#endif
|
|
|
|
/** @addtogroup STM32F4xx_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(__MONTH__) (((__MONTH__) >= 1U) && ((__MONTH__) <= 12U))
|
|
|
|
#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_ALMB_MASK(__VALUE__) (((__VALUE__) == LL_RTC_ALMB_MASK_NONE) \
|
|
|| ((__VALUE__) == LL_RTC_ALMB_MASK_DATEWEEKDAY) \
|
|
|| ((__VALUE__) == LL_RTC_ALMB_MASK_HOURS) \
|
|
|| ((__VALUE__) == LL_RTC_ALMB_MASK_MINUTES) \
|
|
|| ((__VALUE__) == LL_RTC_ALMB_MASK_SECONDS) \
|
|
|| ((__VALUE__) == LL_RTC_ALMB_MASK_ALL))
|
|
|
|
#define IS_LL_RTC_ALMA_DATE_WEEKDAY_SEL(__SEL__) (((__SEL__) == LL_RTC_ALMA_DATEWEEKDAYSEL_DATE) || \
|
|
((__SEL__) == LL_RTC_ALMA_DATEWEEKDAYSEL_WEEKDAY))
|
|
|
|
#define IS_LL_RTC_ALMB_DATE_WEEKDAY_SEL(__SEL__) (((__SEL__) == LL_RTC_ALMB_DATEWEEKDAYSEL_DATE) || \
|
|
((__SEL__) == LL_RTC_ALMB_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 does not 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);
|
|
LL_RTC_WriteReg(RTCx, WUTR, RTC_WUTR_WUT);
|
|
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] */
|
|
LL_RTC_WriteReg(RTCx, CR, (LL_RTC_ReadReg(RTCx, CR) & RTC_CR_WUCKSEL));
|
|
|
|
LL_RTC_WriteReg(RTCx, PRER, (RTC_PRER_PREDIV_A | RTC_SYNCH_PRESC_DEFAULT));
|
|
LL_RTC_WriteReg(RTCx, ALRMAR, 0x00000000U);
|
|
LL_RTC_WriteReg(RTCx, ALRMBR, 0x00000000U);
|
|
LL_RTC_WriteReg(RTCx, CALR, 0x00000000U);
|
|
LL_RTC_WriteReg(RTCx, SHIFTR, 0x00000000U);
|
|
LL_RTC_WriteReg(RTCx, ALRMASSR, 0x00000000U);
|
|
LL_RTC_WriteReg(RTCx, ALRMBSSR, 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(RTCx);
|
|
|
|
/* 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 = (uint8_t)(RTC_DateStruct->Month & (uint8_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(RTCx);
|
|
|
|
/* 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 the RTC Alarm B.
|
|
* @note The Alarm register can only be written when the corresponding Alarm
|
|
* is disabled (@ref LL_RTC_ALMB_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: ALARMB registers are configured
|
|
* - ERROR: ALARMB registers are not configured
|
|
*/
|
|
ErrorStatus LL_RTC_ALMB_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_ALMB_MASK(RTC_AlarmStruct->AlarmMask));
|
|
assert_param(IS_LL_RTC_ALMB_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_ALMB_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_ALMB_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_ALMB_DATEWEEKDAYSEL_DATE)
|
|
{
|
|
/* Set the date for ALARM */
|
|
LL_RTC_ALMB_DisableWeekday(RTCx);
|
|
if (RTC_Format != LL_RTC_FORMAT_BIN)
|
|
{
|
|
LL_RTC_ALMB_SetDay(RTCx, RTC_AlarmStruct->AlarmDateWeekDay);
|
|
}
|
|
else
|
|
{
|
|
LL_RTC_ALMB_SetDay(RTCx, __LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmDateWeekDay));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Set the week day for ALARM */
|
|
LL_RTC_ALMB_EnableWeekday(RTCx);
|
|
LL_RTC_ALMB_SetWeekDay(RTCx, RTC_AlarmStruct->AlarmDateWeekDay);
|
|
}
|
|
|
|
/* Configure the Alarm register */
|
|
if (RTC_Format != LL_RTC_FORMAT_BIN)
|
|
{
|
|
LL_RTC_ALMB_ConfigTime(RTCx, RTC_AlarmStruct->AlarmTime.TimeFormat, RTC_AlarmStruct->AlarmTime.Hours,
|
|
RTC_AlarmStruct->AlarmTime.Minutes, RTC_AlarmStruct->AlarmTime.Seconds);
|
|
}
|
|
else
|
|
{
|
|
LL_RTC_ALMB_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_ALMB_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 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_ALMB_StructInit(LL_RTC_AlarmTypeDef *RTC_AlarmStruct)
|
|
{
|
|
/* Alarm Time Settings : Time = 00h:00mn:00sec */
|
|
RTC_AlarmStruct->AlarmTime.TimeFormat = LL_RTC_ALMB_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_ALMB_DATEWEEKDAYSEL_DATE;
|
|
RTC_AlarmStruct->AlarmDateWeekDay = 1U;
|
|
|
|
/* Alarm Masks Settings : Mask = all fields are not masked */
|
|
RTC_AlarmStruct->AlarmMask = LL_RTC_ALMB_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 != 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 */
|