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apache / mynewt-documentation / 94c47ae2bc67c54a68d227abbb47c27ae97cc232 / . / versions / v1_4_0 / mynewt-core / hw / mcu / stm / stm32f1xx / src / ext / Drivers / STM32F1xx_HAL_Driver / Inc / stm32f1xx_ll_rtc.h
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/**
******************************************************************************
* @file stm32f1xx_ll_rtc.h
* @author MCD Application Team
* @version V1.1.1
* @date 12-May-2017
* @brief Header file of RTC LL module.
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F1xx_LL_RTC_H
#define __STM32F1xx_LL_RTC_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f1xx.h"
/** @addtogroup STM32F1xx_LL_Driver
* @{
*/
#if defined(RTC)
/** @defgroup RTC_LL RTC
* @{
*/
/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/
#if defined(USE_FULL_LL_DRIVER)
/** @defgroup RTC_LL_Private_Macros RTC Private Macros
* @{
*/
/**
* @}
*/
#endif /*USE_FULL_LL_DRIVER*/
/* Exported types ------------------------------------------------------------*/
#if defined(USE_FULL_LL_DRIVER)
/** @defgroup RTC_LL_ES_INIT RTC Exported Init structure
* @{
*/
/**
* @brief RTC Init structures definition
*/
typedef struct
{
uint32_t AsynchPrescaler; /*!< Specifies the RTC Asynchronous Predivider value.
This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFFFFF
This feature can be modified afterwards using unitary function
@ref LL_RTC_SetAsynchPrescaler(). */
uint32_t OutPutSource; /*!< Specifies which signal will be routed to the RTC Tamper pin.
This parameter can be a value of @ref LL_RTC_Output_Source
This feature can be modified afterwards using unitary function
@ref LL_RTC_SetOutputSource(). */
} LL_RTC_InitTypeDef;
/**
* @brief RTC Time structure definition
*/
typedef struct
{
uint8_t Hours; /*!< Specifies the RTC Time Hours.
This parameter must be a number between Min_Data = 0 and Max_Data = 23 */
uint8_t Minutes; /*!< Specifies the RTC Time Minutes.
This parameter must be a number between Min_Data = 0 and Max_Data = 59 */
uint8_t Seconds; /*!< Specifies the RTC Time Seconds.
This parameter must be a number between Min_Data = 0 and Max_Data = 59 */
} LL_RTC_TimeTypeDef;
/**
* @brief RTC Alarm structure definition
*/
typedef struct
{
LL_RTC_TimeTypeDef AlarmTime; /*!< Specifies the RTC Alarm Time members. */
} LL_RTC_AlarmTypeDef;
/**
* @}
*/
#endif /* USE_FULL_LL_DRIVER */
/* Exported constants --------------------------------------------------------*/
/** @defgroup RTC_LL_Exported_Constants RTC Exported Constants
* @{
*/
#if defined(USE_FULL_LL_DRIVER)
/** @defgroup RTC_LL_EC_FORMAT FORMAT
* @{
*/
#define LL_RTC_FORMAT_BIN (0x000000000U) /*!< Binary data format */
#define LL_RTC_FORMAT_BCD (0x000000001U) /*!< BCD data format */
/**
* @}
*/
#endif /* USE_FULL_LL_DRIVER */
/** @defgroup RTC_LL_EC_BKP BACKUP
* @{
*/
#if RTC_BKP_NUMBER > 0
#define LL_RTC_BKP_DR1 (0x00000001U)
#define LL_RTC_BKP_DR2 (0x00000002U)
#define LL_RTC_BKP_DR3 (0x00000003U)
#define LL_RTC_BKP_DR4 (0x00000004U)
#define LL_RTC_BKP_DR5 (0x00000005U)
#define LL_RTC_BKP_DR6 (0x00000006U)
#define LL_RTC_BKP_DR7 (0x00000007U)
#define LL_RTC_BKP_DR8 (0x00000008U)
#define LL_RTC_BKP_DR9 (0x00000009U)
#define LL_RTC_BKP_DR10 (0x0000000AU)
#endif /* RTC_BKP_NUMBER > 0 */
#if RTC_BKP_NUMBER > 10
#define LL_RTC_BKP_DR11 (0x0000000BU)
#define LL_RTC_BKP_DR12 (0x0000000CU)
#define LL_RTC_BKP_DR13 (0x0000000DU)
#define LL_RTC_BKP_DR14 (0x0000000EU)
#define LL_RTC_BKP_DR15 (0x0000000FU)
#define LL_RTC_BKP_DR16 (0x00000010U)
#define LL_RTC_BKP_DR17 (0x00000011U)
#define LL_RTC_BKP_DR18 (0x00000012U)
#define LL_RTC_BKP_DR19 (0x00000013U)
#define LL_RTC_BKP_DR20 (0x00000014U)
#define LL_RTC_BKP_DR21 (0x00000015U)
#define LL_RTC_BKP_DR22 (0x00000016U)
#define LL_RTC_BKP_DR23 (0x00000017U)
#define LL_RTC_BKP_DR24 (0x00000018U)
#define LL_RTC_BKP_DR25 (0x00000019U)
#define LL_RTC_BKP_DR26 (0x0000001AU)
#define LL_RTC_BKP_DR27 (0x0000001BU)
#define LL_RTC_BKP_DR28 (0x0000001CU)
#define LL_RTC_BKP_DR29 (0x0000001DU)
#define LL_RTC_BKP_DR30 (0x0000001EU)
#define LL_RTC_BKP_DR31 (0x0000001FU)
#define LL_RTC_BKP_DR32 (0x00000020U)
#define LL_RTC_BKP_DR33 (0x00000021U)
#define LL_RTC_BKP_DR34 (0x00000022U)
#define LL_RTC_BKP_DR35 (0x00000023U)
#define LL_RTC_BKP_DR36 (0x00000024U)
#define LL_RTC_BKP_DR37 (0x00000025U)
#define LL_RTC_BKP_DR38 (0x00000026U)
#define LL_RTC_BKP_DR39 (0x00000027U)
#define LL_RTC_BKP_DR40 (0x00000028U)
#define LL_RTC_BKP_DR41 (0x00000029U)
#define LL_RTC_BKP_DR42 (0x0000002AU)
#endif /* RTC_BKP_NUMBER > 10 */
/**
* @}
*/
/** @defgroup RTC_LL_EC_TAMPLEVEL Tamper Active Level
* @{
*/
#define LL_RTC_TAMPER_ACTIVELEVEL_LOW BKP_CR_TPAL /*!< A high level on the TAMPER pin resets all data backup registers (if TPE bit is set) */
#define LL_RTC_TAMPER_ACTIVELEVEL_HIGH (0x00000000U) /*!< A low level on the TAMPER pin resets all data backup registers (if TPE bit is set) */
/**
* @}
*/
/** @defgroup LL_RTC_Output_Source Clock Source to output on the Tamper Pin
* @{
*/
#define LL_RTC_CALIB_OUTPUT_NONE (0x00000000U) /*!< Calibration output disabled */
#define LL_RTC_CALIB_OUTPUT_RTCCLOCK BKP_RTCCR_CCO /*!< Calibration output is RTC Clock with a frequency divided by 64 on the TAMPER Pin */
#define LL_RTC_CALIB_OUTPUT_ALARM BKP_RTCCR_ASOE /*!< Calibration output is Alarm pulse signal on the TAMPER pin */
#define LL_RTC_CALIB_OUTPUT_SECOND (BKP_RTCCR_ASOS | BKP_RTCCR_ASOE) /*!< Calibration output is Second pulse signal on the TAMPER pin*/
/**
* @}
*/
/**
* @}
*/
/* Exported macro ------------------------------------------------------------*/
/** @defgroup RTC_LL_Exported_Macros RTC Exported Macros
* @{
*/
/** @defgroup RTC_LL_EM_WRITE_READ Common Write and read registers Macros
* @{
*/
/**
* @brief Write a value in RTC register
* @param __INSTANCE__ RTC Instance
* @param __REG__ Register to be written
* @param __VALUE__ Value to be written in the register
* @retval None
*/
#define LL_RTC_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
/**
* @brief Read a value in RTC register
* @param __INSTANCE__ RTC Instance
* @param __REG__ Register to be read
* @retval Register value
*/
#define LL_RTC_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
/**
* @}
*/
/** @defgroup RTC_LL_EM_Convert Convert helper Macros
* @{
*/
/**
* @brief Helper macro to convert a value from 2 digit decimal format to BCD format
* @param __VALUE__ Byte to be converted
* @retval Converted byte
*/
#define __LL_RTC_CONVERT_BIN2BCD(__VALUE__) (uint8_t)((((__VALUE__) / 10U) << 4U) | ((__VALUE__) % 10U))
/**
* @brief Helper macro to convert a value from BCD format to 2 digit decimal format
* @param __VALUE__ BCD value to be converted
* @retval Converted byte
*/
#define __LL_RTC_CONVERT_BCD2BIN(__VALUE__) (uint8_t)(((uint8_t)((__VALUE__) & (uint8_t)0xF0U) >> (uint8_t)0x4U) * 10U + ((__VALUE__) & (uint8_t)0x0FU))
/**
* @}
*/
/**
* @}
*/
/* Exported functions --------------------------------------------------------*/
/** @defgroup RTC_LL_Exported_Functions RTC Exported Functions
* @{
*/
/** @defgroup RTC_LL_EF_Configuration Configuration
* @{
*/
/**
* @brief Set Asynchronous prescaler factor
* @rmtoll PRLH PRL LL_RTC_SetAsynchPrescaler\n
* @rmtoll PRLL PRL LL_RTC_SetAsynchPrescaler\n
* @param RTCx RTC Instance
* @param AsynchPrescaler Value between Min_Data = 0 and Max_Data = 0xFFFFF
* @retval None
*/
__STATIC_INLINE void LL_RTC_SetAsynchPrescaler(RTC_TypeDef *RTCx, uint32_t AsynchPrescaler)
{
MODIFY_REG(RTCx->PRLH, RTC_PRLH_PRL, (AsynchPrescaler >> 16));
MODIFY_REG(RTCx->PRLL, RTC_PRLL_PRL, (AsynchPrescaler & RTC_PRLL_PRL));
}
/**
* @brief Get Asynchronous prescaler factor
* @rmtoll DIVH DIV LL_RTC_GetDivider\n
* @rmtoll DIVL DIV LL_RTC_GetDivider\n
* @param RTCx RTC Instance
* @retval Value between Min_Data = 0 and Max_Data = 0xFFFFF
*/
__STATIC_INLINE uint32_t LL_RTC_GetDivider(RTC_TypeDef *RTCx)
{
register uint16_t Highprescaler = 0 , Lowprescaler = 0;
Highprescaler = READ_REG(RTCx->DIVH & RTC_DIVH_RTC_DIV);
Lowprescaler = READ_REG(RTCx->DIVL & RTC_DIVL_RTC_DIV);
return (((uint32_t) Highprescaler << 16U) | Lowprescaler);
}
/**
* @brief Set Output Source
* @rmtoll RTCCR CCO LL_RTC_SetOutputSource
* @rmtoll RTCCR ASOE LL_RTC_SetOutputSource
* @rmtoll RTCCR ASOS LL_RTC_SetOutputSource
* @param BKPx BKP Instance
* @param OutputSource This parameter can be one of the following values:
* @arg @ref LL_RTC_CALIB_OUTPUT_NONE
* @arg @ref LL_RTC_CALIB_OUTPUT_RTCCLOCK
* @arg @ref LL_RTC_CALIB_OUTPUT_ALARM
* @arg @ref LL_RTC_CALIB_OUTPUT_SECOND
* @retval None
*/
__STATIC_INLINE void LL_RTC_SetOutputSource(BKP_TypeDef *BKPx, uint32_t OutputSource)
{
MODIFY_REG(BKPx->RTCCR, (BKP_RTCCR_CCO | BKP_RTCCR_ASOE | BKP_RTCCR_ASOS), OutputSource);
}
/**
* @brief Get Output Source
* @rmtoll RTCCR CCO LL_RTC_GetOutPutSource
* @rmtoll RTCCR ASOE LL_RTC_GetOutPutSource
* @rmtoll RTCCR ASOS LL_RTC_GetOutPutSource
* @param BKPx BKP Instance
* @retval Returned value can be one of the following values:
* @arg @ref LL_RTC_CALIB_OUTPUT_NONE
* @arg @ref LL_RTC_CALIB_OUTPUT_RTCCLOCK
* @arg @ref LL_RTC_CALIB_OUTPUT_ALARM
* @arg @ref LL_RTC_CALIB_OUTPUT_SECOND
*/
__STATIC_INLINE uint32_t LL_RTC_GetOutPutSource(BKP_TypeDef *BKPx)
{
return (uint32_t)(READ_BIT(BKPx->RTCCR, (BKP_RTCCR_CCO | BKP_RTCCR_ASOE | BKP_RTCCR_ASOS)));
}
/**
* @brief Enable the write protection for RTC registers.
* @rmtoll CRL CNF LL_RTC_EnableWriteProtection
* @param RTCx RTC Instance
* @retval None
*/
__STATIC_INLINE void LL_RTC_EnableWriteProtection(RTC_TypeDef *RTCx)
{
CLEAR_BIT(RTCx->CRL, RTC_CRL_CNF);
}
/**
* @brief Disable the write protection for RTC registers.
* @rmtoll CRL RTC_CRL_CNF LL_RTC_DisableWriteProtection
* @param RTCx RTC Instance
* @retval None
*/
__STATIC_INLINE void LL_RTC_DisableWriteProtection(RTC_TypeDef *RTCx)
{
SET_BIT(RTCx->CRL, RTC_CRL_CNF);
}
/**
* @}
*/
/** @defgroup RTC_LL_EF_Time Time
* @{
*/
/**
* @brief Set time counter in BCD format
* @note Bit is write-protected. @ref LL_RTC_DisableWriteProtection function should be called before.
* @note It can be written in initialization mode only (@ref LL_RTC_EnterInitMode function)
* @rmtoll CNTH CNT LL_RTC_TIME_Set\n
* CNTL CNT LL_RTC_TIME_Set\n
* @param RTCx RTC Instance
* @param TimeCounter Value between Min_Data=0x00 and Max_Data=0xFFFFF
* @retval None
*/
__STATIC_INLINE void LL_RTC_TIME_Set(RTC_TypeDef *RTCx, uint32_t TimeCounter)
{
/* Set RTC COUNTER MSB word */
WRITE_REG(RTCx->CNTH, (TimeCounter >> 16U));
/* Set RTC COUNTER LSB word */
WRITE_REG(RTCx->CNTL, (TimeCounter & RTC_CNTL_RTC_CNT));
}
/**
* @brief Get time counter in BCD format
* @rmtoll CNTH CNT LL_RTC_TIME_Get\n
* CNTL CNT LL_RTC_TIME_Get\n
* @param RTCx RTC Instance
* @retval Value between Min_Data = 0 and Max_Data = 0xFFFFF
*/
__STATIC_INLINE uint32_t LL_RTC_TIME_Get(RTC_TypeDef *RTCx)
{
register uint16_t high = 0, low = 0;
high = READ_REG(RTCx->CNTH & RTC_CNTH_RTC_CNT);
low = READ_REG(RTCx->CNTL & RTC_CNTL_RTC_CNT);
return ((uint32_t)(((uint32_t) high << 16U) | low));
}
/**
* @}
*/
/** @defgroup RTC_LL_EF_ALARM ALARM
* @{
*/
/**
* @brief Set Alarm Counter
* @note Bit is write-protected. @ref LL_RTC_DisableWriteProtection function should be called before.
* @rmtoll ALRH ALR LL_RTC_ALARM_Set\n
* @rmtoll ALRL ALR LL_RTC_ALARM_Set\n
* @param RTCx RTC Instance
* @param AlarmCounter Value between Min_Data=0x00 and Max_Data=0xFFFFF
* @retval None
*/
__STATIC_INLINE void LL_RTC_ALARM_Set(RTC_TypeDef *RTCx, uint32_t AlarmCounter)
{
/* Set RTC COUNTER MSB word */
WRITE_REG(RTCx->ALRH, (AlarmCounter >> 16));
/* Set RTC COUNTER LSB word */
WRITE_REG(RTCx->ALRL, (AlarmCounter & RTC_ALRL_RTC_ALR));
}
/**
* @brief Get Alarm Counter
* @note Bit is write-protected. @ref LL_RTC_DisableWriteProtection function should be called before.
* @rmtoll ALRH ALR LL_RTC_ALARM_Get\n
* @rmtoll ALRL ALR LL_RTC_ALARM_Get\n
* @param RTCx RTC Instance
* @retval None
*/
__STATIC_INLINE uint32_t LL_RTC_ALARM_Get(RTC_TypeDef *RTCx)
{
register uint16_t high = 0, low = 0;
high = READ_REG(RTCx->ALRH & RTC_ALRH_RTC_ALR);
low = READ_REG(RTCx->ALRL & RTC_ALRL_RTC_ALR);
return (((uint32_t) high << 16U) | low);
}
/**
* @}
*/
/** @defgroup RTC_LL_EF_Tamper Tamper
* @{
*/
/**
* @brief Enable RTC_TAMPx input detection
* @rmtoll CR TPE LL_RTC_TAMPER_Enable\n
* @retval None
*/
__STATIC_INLINE void LL_RTC_TAMPER_Enable(BKP_TypeDef *BKPx)
{
SET_BIT(BKPx->CR, BKP_CR_TPE);
}
/**
* @brief Disable RTC_TAMPx Tamper
* @rmtoll CR TPE LL_RTC_TAMPER_Disable\n
* @retval None
*/
__STATIC_INLINE void LL_RTC_TAMPER_Disable(BKP_TypeDef *BKPx)
{
CLEAR_BIT(BKP->CR, BKP_CR_TPE);
}
/**
* @brief Enable Active level for Tamper input
* @rmtoll CR TPAL LL_RTC_TAMPER_SetActiveLevel\n
* @param BKPx BKP Instance
* @param Tamper This parameter can be a combination of the following values:
* @arg @ref LL_RTC_TAMPER_ACTIVELEVEL_LOW
* @arg @ref LL_RTC_TAMPER_ACTIVELEVEL_HIGH
* @retval None
*/
__STATIC_INLINE void LL_RTC_TAMPER_SetActiveLevel(BKP_TypeDef *BKPx, uint32_t Tamper)
{
MODIFY_REG(BKPx->CR, BKP_CR_TPAL, Tamper);
}
/**
* @brief Disable Active level for Tamper input
* @rmtoll CR TPAL LL_RTC_TAMPER_SetActiveLevel\n
* @retval None
*/
__STATIC_INLINE uint32_t LL_RTC_TAMPER_GetActiveLevel(BKP_TypeDef *BKPx)
{
return (uint32_t)(READ_BIT(BKPx->CR, BKP_CR_TPAL));
}
/**
* @}
*/
/** @defgroup RTC_LL_EF_Backup_Registers Backup_Registers
* @{
*/
/**
* @brief Writes a data in a specified RTC Backup data register.
* @rmtoll BKPDR DR LL_RTC_BKP_SetRegister
* @param BKPx BKP Instance
* @param BackupRegister This parameter can be one of the following values:
* @arg @ref LL_RTC_BKP_DR1
* @arg @ref LL_RTC_BKP_DR2
* @arg @ref LL_RTC_BKP_DR3
* @arg @ref LL_RTC_BKP_DR4
* @arg @ref LL_RTC_BKP_DR5
* @arg @ref LL_RTC_BKP_DR6
* @arg @ref LL_RTC_BKP_DR7
* @arg @ref LL_RTC_BKP_DR8
* @arg @ref LL_RTC_BKP_DR9
* @arg @ref LL_RTC_BKP_DR10
* @arg @ref LL_RTC_BKP_DR11 (*)
* @arg @ref LL_RTC_BKP_DR12 (*)
* @arg @ref LL_RTC_BKP_DR13 (*)
* @arg @ref LL_RTC_BKP_DR14 (*)
* @arg @ref LL_RTC_BKP_DR15 (*)
* @arg @ref LL_RTC_BKP_DR16 (*)
* @arg @ref LL_RTC_BKP_DR17 (*)
* @arg @ref LL_RTC_BKP_DR18 (*)
* @arg @ref LL_RTC_BKP_DR19 (*)
* @arg @ref LL_RTC_BKP_DR20 (*)
* @arg @ref LL_RTC_BKP_DR21 (*)
* @arg @ref LL_RTC_BKP_DR22 (*)
* @arg @ref LL_RTC_BKP_DR23 (*)
* @arg @ref LL_RTC_BKP_DR24 (*)
* @arg @ref LL_RTC_BKP_DR25 (*)
* @arg @ref LL_RTC_BKP_DR26 (*)
* @arg @ref LL_RTC_BKP_DR27 (*)
* @arg @ref LL_RTC_BKP_DR28 (*)
* @arg @ref LL_RTC_BKP_DR29 (*)
* @arg @ref LL_RTC_BKP_DR30 (*)
* @arg @ref LL_RTC_BKP_DR31 (*)
* @arg @ref LL_RTC_BKP_DR32 (*)
* @arg @ref LL_RTC_BKP_DR33 (*)
* @arg @ref LL_RTC_BKP_DR34 (*)
* @arg @ref LL_RTC_BKP_DR35 (*)
* @arg @ref LL_RTC_BKP_DR36 (*)
* @arg @ref LL_RTC_BKP_DR37 (*)
* @arg @ref LL_RTC_BKP_DR38 (*)
* @arg @ref LL_RTC_BKP_DR39 (*)
* @arg @ref LL_RTC_BKP_DR40 (*)
* @arg @ref LL_RTC_BKP_DR41 (*)
* @arg @ref LL_RTC_BKP_DR42 (*)
* (*) value not defined in all devices.
* @param Data Value between Min_Data=0x00 and Max_Data=0xFFFFFFFF
* @retval None
*/
__STATIC_INLINE void LL_RTC_BKP_SetRegister(BKP_TypeDef *BKPx, uint32_t BackupRegister, uint32_t Data)
{
register uint32_t tmp = 0U;
tmp = (uint32_t)BKP_BASE;
tmp += (BackupRegister * 4U);
/* Write the specified register */
*(__IO uint32_t *)tmp = (uint32_t)Data;
}
/**
* @brief Reads data from the specified RTC Backup data Register.
* @rmtoll BKPDR DR LL_RTC_BKP_GetRegister
* @param BKPx BKP Instance
* @param BackupRegister This parameter can be one of the following values:
* @arg @ref LL_RTC_BKP_DR1
* @arg @ref LL_RTC_BKP_DR2
* @arg @ref LL_RTC_BKP_DR3
* @arg @ref LL_RTC_BKP_DR4
* @arg @ref LL_RTC_BKP_DR5
* @arg @ref LL_RTC_BKP_DR6
* @arg @ref LL_RTC_BKP_DR7
* @arg @ref LL_RTC_BKP_DR8
* @arg @ref LL_RTC_BKP_DR9
* @arg @ref LL_RTC_BKP_DR10
* @arg @ref LL_RTC_BKP_DR11 (*)
* @arg @ref LL_RTC_BKP_DR12 (*)
* @arg @ref LL_RTC_BKP_DR13 (*)
* @arg @ref LL_RTC_BKP_DR14 (*)
* @arg @ref LL_RTC_BKP_DR15 (*)
* @arg @ref LL_RTC_BKP_DR16 (*)
* @arg @ref LL_RTC_BKP_DR17 (*)
* @arg @ref LL_RTC_BKP_DR18 (*)
* @arg @ref LL_RTC_BKP_DR19 (*)
* @arg @ref LL_RTC_BKP_DR20 (*)
* @arg @ref LL_RTC_BKP_DR21 (*)
* @arg @ref LL_RTC_BKP_DR22 (*)
* @arg @ref LL_RTC_BKP_DR23 (*)
* @arg @ref LL_RTC_BKP_DR24 (*)
* @arg @ref LL_RTC_BKP_DR25 (*)
* @arg @ref LL_RTC_BKP_DR26 (*)
* @arg @ref LL_RTC_BKP_DR27 (*)
* @arg @ref LL_RTC_BKP_DR28 (*)
* @arg @ref LL_RTC_BKP_DR29 (*)
* @arg @ref LL_RTC_BKP_DR30 (*)
* @arg @ref LL_RTC_BKP_DR31 (*)
* @arg @ref LL_RTC_BKP_DR32 (*)
* @arg @ref LL_RTC_BKP_DR33 (*)
* @arg @ref LL_RTC_BKP_DR34 (*)
* @arg @ref LL_RTC_BKP_DR35 (*)
* @arg @ref LL_RTC_BKP_DR36 (*)
* @arg @ref LL_RTC_BKP_DR37 (*)
* @arg @ref LL_RTC_BKP_DR38 (*)
* @arg @ref LL_RTC_BKP_DR39 (*)
* @arg @ref LL_RTC_BKP_DR40 (*)
* @arg @ref LL_RTC_BKP_DR41 (*)
* @arg @ref LL_RTC_BKP_DR42 (*)
* @retval Value between Min_Data=0x00 and Max_Data=0xFFFFFFFF
*/
__STATIC_INLINE uint32_t LL_RTC_BKP_GetRegister(BKP_TypeDef *BKPx, uint32_t BackupRegister)
{
register uint32_t tmp = 0U;
tmp = (uint32_t)BKP_BASE;
tmp += (BackupRegister * 4U);
/* Read the specified register */
return ((*(__IO uint32_t *)tmp) & BKP_DR1_D);
}
/**
* @}
*/
/** @defgroup RTC_LL_EF_Calibration Calibration
* @{
*/
/**
* @brief Set the coarse digital calibration
* @note Bit is write-protected. @ref LL_RTC_DisableWriteProtection function should be called before.
* @note It can be written in initialization mode only (@ref LL_RTC_EnterInitMode function)
* @rmtoll RTCCR CAL LL_RTC_CAL_SetCoarseDigital\n
* @param BKPx RTC Instance
* @param Value value of coarse calibration expressed in ppm (coded on 5 bits)
* @note This Calibration value should be between 0 and 121 when using positive sign with a 4-ppm step.
* @retval None
*/
__STATIC_INLINE void LL_RTC_CAL_SetCoarseDigital(BKP_TypeDef* BKPx, uint32_t Value)
{
MODIFY_REG(BKPx->RTCCR,BKP_RTCCR_CAL, Value);
}
/**
* @brief Get the coarse digital calibration value
* @rmtoll RTCCR CAL LL_RTC_CAL_SetCoarseDigital\n
* @param BKPx BKP Instance
* @retval value of coarse calibration expressed in ppm (coded on 5 bits)
*/
__STATIC_INLINE uint32_t LL_RTC_CAL_GetCoarseDigital(BKP_TypeDef *BKPx)
{
return (uint32_t)(READ_BIT(BKPx->RTCCR, BKP_RTCCR_CAL));
}
/**
* @}
*/
/** @defgroup RTC_LL_EF_FLAG_Management FLAG_Management
* @{
*/
/**
* @brief Get RTC_TAMPI Interruption detection flag
* @rmtoll CSR TIF LL_RTC_IsActiveFlag_TAMPI
* @param BKPx BKP Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RTC_IsActiveFlag_TAMPI(BKP_TypeDef *BKPx)
{
return (READ_BIT(BKPx->CSR, BKP_CSR_TIF) == (BKP_CSR_TIF));
}
/**
* @brief Clear RTC_TAMP Interruption detection flag
* @rmtoll CSR CTI LL_RTC_ClearFlag_TAMPI
* @param BKPx BKP Instance
* @retval None
*/
__STATIC_INLINE void LL_RTC_ClearFlag_TAMPI(BKP_TypeDef *BKPx)
{
SET_BIT(BKPx->CSR, BKP_CSR_CTI);
}
/**
* @brief Get RTC_TAMPE Event detection flag
* @rmtoll CSR TEF LL_RTC_IsActiveFlag_TAMPE
* @param BKPx BKP Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RTC_IsActiveFlag_TAMPE(BKP_TypeDef *BKPx)
{
return (READ_BIT(BKPx->CSR, BKP_CSR_TEF) == (BKP_CSR_TEF));
}
/**
* @brief Clear RTC_TAMPE Even detection flag
* @rmtoll CSR CTE LL_RTC_ClearFlag_TAMPE
* @param BKPx BKP Instance
* @retval None
*/
__STATIC_INLINE void LL_RTC_ClearFlag_TAMPE(BKP_TypeDef *BKPx)
{
SET_BIT(BKPx->CSR, BKP_CSR_CTE);
}
/**
* @brief Get Alarm flag
* @rmtoll CRL ALRF LL_RTC_IsActiveFlag_ALR
* @param RTCx RTC Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RTC_IsActiveFlag_ALR(RTC_TypeDef *RTCx)
{
return (READ_BIT(RTCx->CRL, RTC_CRL_ALRF) == (RTC_CRL_ALRF));
}
/**
* @brief Clear Alarm flag
* @rmtoll CRL ALRF LL_RTC_ClearFlag_ALR
* @param RTCx RTC Instance
* @retval None
*/
__STATIC_INLINE void LL_RTC_ClearFlag_ALR(RTC_TypeDef *RTCx)
{
CLEAR_BIT(RTCx->CRL, RTC_CRL_ALRF);
}
/**
* @brief Get Registers synchronization flag
* @rmtoll CRL RSF LL_RTC_IsActiveFlag_RS
* @param RTCx RTC Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RTC_IsActiveFlag_RS(RTC_TypeDef *RTCx)
{
return (READ_BIT(RTCx->CRL, RTC_CRL_RSF) == (RTC_CRL_RSF));
}
/**
* @brief Clear Registers synchronization flag
* @rmtoll CRL RSF LL_RTC_ClearFlag_RS
* @param RTCx RTC Instance
* @retval None
*/
__STATIC_INLINE void LL_RTC_ClearFlag_RS(RTC_TypeDef *RTCx)
{
CLEAR_BIT(RTCx->CRL, RTC_CRL_RSF);
}
/**
* @brief Get Registers OverFlow flag
* @rmtoll CRL OWF LL_RTC_IsActiveFlag_OW
* @param RTCx RTC Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RTC_IsActiveFlag_OW(RTC_TypeDef *RTCx)
{
return (READ_BIT(RTCx->CRL, RTC_CRL_OWF) == (RTC_CRL_OWF));
}
/**
* @brief Clear Registers OverFlow flag
* @rmtoll CRL OWF LL_RTC_ClearFlag_OW
* @param RTCx RTC Instance
* @retval None
*/
__STATIC_INLINE void LL_RTC_ClearFlag_OW(RTC_TypeDef *RTCx)
{
CLEAR_BIT(RTCx->CRL, RTC_CRL_OWF);
}
/**
* @brief Get Registers synchronization flag
* @rmtoll CRL SECF LL_RTC_IsActiveFlag_SEC
* @param RTCx RTC Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RTC_IsActiveFlag_SEC(RTC_TypeDef *RTCx)
{
return (READ_BIT(RTCx->CRL, RTC_CRL_SECF) == (RTC_CRL_SECF));
}
/**
* @brief Clear Registers synchronization flag
* @rmtoll CRL SECF LL_RTC_ClearFlag_SEC
* @param RTCx RTC Instance
* @retval None
*/
__STATIC_INLINE void LL_RTC_ClearFlag_SEC(RTC_TypeDef *RTCx)
{
CLEAR_BIT(RTCx->CRL, RTC_CRL_SECF);
}
/**
* @brief Get RTC Operation OFF status flag
* @rmtoll CRL RTOFF LL_RTC_IsActiveFlag_RTOF
* @param RTCx RTC Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RTC_IsActiveFlag_RTOF(RTC_TypeDef *RTCx)
{
return (READ_BIT(RTCx->CRL, RTC_CRL_RTOFF) == (RTC_CRL_RTOFF));
}
/**
* @}
*/
/** @defgroup RTC_LL_EF_IT_Management IT_Management
* @{
*/
/**
* @brief Enable Alarm interrupt
* @note Bit is write-protected. @ref LL_RTC_DisableWriteProtection function should be called before.
* @rmtoll CRH ALRIE LL_RTC_EnableIT_ALR
* @param RTCx RTC Instance
* @retval None
*/
__STATIC_INLINE void LL_RTC_EnableIT_ALR(RTC_TypeDef *RTCx)
{
SET_BIT(RTCx->CRH, RTC_CRH_ALRIE);
}
/**
* @brief Disable Alarm interrupt
* @note Bit is write-protected. @ref LL_RTC_DisableWriteProtection function should be called before.
* @rmtoll CRH ALRIE LL_RTC_DisableIT_ALR
* @param RTCx RTC Instance
* @retval None
*/
__STATIC_INLINE void LL_RTC_DisableIT_ALR(RTC_TypeDef *RTCx)
{
CLEAR_BIT(RTCx->CRH, RTC_CRH_ALRIE);
}
/**
* @brief Check if Alarm interrupt is enabled or not
* @rmtoll CRH ALRIE LL_RTC_IsEnabledIT_ALR
* @param RTCx RTC Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RTC_IsEnabledIT_ALR(RTC_TypeDef *RTCx)
{
return (READ_BIT(RTCx->CRH, RTC_CRH_ALRIE) == (RTC_CRH_ALRIE));
}
/**
* @brief Enable Second Interrupt interrupt
* @note Bit is write-protected. @ref LL_RTC_DisableWriteProtection function should be called before.
* @rmtoll CRH SECIE LL_RTC_EnableIT_SEC
* @param RTCx RTC Instance
* @retval None
*/
__STATIC_INLINE void LL_RTC_EnableIT_SEC(RTC_TypeDef *RTCx)
{
SET_BIT(RTCx->CRH, RTC_CRH_SECIE);
}
/**
* @brief Disable Second interrupt
* @note Bit is write-protected. @ref LL_RTC_DisableWriteProtection function should be called before.
* @rmtoll CRH SECIE LL_RTC_DisableIT_SEC
* @param RTCx RTC Instance
* @retval None
*/
__STATIC_INLINE void LL_RTC_DisableIT_SEC(RTC_TypeDef *RTCx)
{
CLEAR_BIT(RTCx->CRH, RTC_CRH_SECIE);
}
/**
* @brief Check if Second interrupt is enabled or not
* @rmtoll CRH SECIE LL_RTC_IsEnabledIT_SEC
* @param RTCx RTC Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RTC_IsEnabledIT_SEC(RTC_TypeDef *RTCx)
{
return (READ_BIT(RTCx->CRH, RTC_CRH_SECIE) == (RTC_CRH_SECIE));
}
/**
* @brief Enable OverFlow interrupt
* @note Bit is write-protected. @ref LL_RTC_DisableWriteProtection function should be called before.
* @rmtoll CRH OWIE LL_RTC_EnableIT_OW
* @param RTCx RTC Instance
* @retval None
*/
__STATIC_INLINE void LL_RTC_EnableIT_OW(RTC_TypeDef *RTCx)
{
SET_BIT(RTCx->CRH, RTC_CRH_OWIE);
}
/**
* @brief Disable OverFlow interrupt
* @note Bit is write-protected. @ref LL_RTC_DisableWriteProtection function should be called before.
* @rmtoll CRH OWIE LL_RTC_DisableIT_OW
* @param RTCx RTC Instance
* @retval None
*/
__STATIC_INLINE void LL_RTC_DisableIT_OW(RTC_TypeDef *RTCx)
{
CLEAR_BIT(RTCx->CRH, RTC_CRH_OWIE);
}
/**
* @brief Check if OverFlow interrupt is enabled or not
* @rmtoll CRH OWIE LL_RTC_IsEnabledIT_OW
* @param RTCx RTC Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RTC_IsEnabledIT_OW(RTC_TypeDef *RTCx)
{
return (READ_BIT(RTCx->CRH, RTC_CRH_OWIE) == (RTC_CRH_OWIE));
}
/**
* @brief Enable Tamper interrupt
* @rmtoll CSR TPIE LL_RTC_EnableIT_TAMP
* @param BKPx BKP Instance
* @retval None
*/
__STATIC_INLINE void LL_RTC_EnableIT_TAMP(BKP_TypeDef *BKPx)
{
SET_BIT(BKPx->CSR,BKP_CSR_TPIE);
}
/**
* @brief Disable Tamper interrupt
* @rmtoll CSR TPIE LL_RTC_EnableIT_TAMP
* @param BKPx BKP Instance
* @retval None
*/
__STATIC_INLINE void LL_RTC_DisableIT_TAMP(BKP_TypeDef *BKPx)
{
CLEAR_BIT(BKPx->CSR,BKP_CSR_TPIE);
}
/**
* @brief Check if all the TAMPER interrupts are enabled or not
* @rmtoll CSR TPIE LL_RTC_IsEnabledIT_TAMP
* @param BKPx BKP Instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_RTC_IsEnabledIT_TAMP(BKP_TypeDef *BKPx)
{
return (READ_BIT(BKPx->CSR,BKP_CSR_TPIE) == BKP_CSR_TPIE);
}
/**
* @}
*/
#if defined(USE_FULL_LL_DRIVER)
/** @defgroup RTC_LL_EF_Init Initialization and de-initialization functions
* @{
*/
ErrorStatus LL_RTC_DeInit(RTC_TypeDef *RTCx);
ErrorStatus LL_RTC_Init(RTC_TypeDef *RTCx, LL_RTC_InitTypeDef *RTC_InitStruct);
void LL_RTC_StructInit(LL_RTC_InitTypeDef *RTC_InitStruct);
ErrorStatus LL_RTC_TIME_Init(RTC_TypeDef *RTCx, uint32_t RTC_Format, LL_RTC_TimeTypeDef *RTC_TimeStruct);
void LL_RTC_TIME_StructInit(LL_RTC_TimeTypeDef *RTC_TimeStruct);
ErrorStatus LL_RTC_ALARM_Init(RTC_TypeDef *RTCx, uint32_t RTC_Format, LL_RTC_AlarmTypeDef *RTC_AlarmStruct);
void LL_RTC_ALARM_StructInit(LL_RTC_AlarmTypeDef *RTC_AlarmStruct);
ErrorStatus LL_RTC_EnterInitMode(RTC_TypeDef *RTCx);
ErrorStatus LL_RTC_ExitInitMode(RTC_TypeDef *RTCx);
ErrorStatus LL_RTC_WaitForSynchro(RTC_TypeDef *RTCx);
ErrorStatus LL_RTC_TIME_SetCounter(RTC_TypeDef *RTCx, uint32_t TimeCounter);
ErrorStatus LL_RTC_ALARM_SetCounter(RTC_TypeDef *RTCx, uint32_t AlarmCounter);
/**
* @}
*/
#endif /* USE_FULL_LL_DRIVER */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#endif /* defined(RTC) */
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __STM32F1xx_LL_RTC_H */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/