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Rev	Author	Line No.	Line
2	mjames	1	/**
		2	******************************************************************************
		3	* @file stm32f1xx_ll_rtc.h
		4	* @author MCD Application Team
		5	* @brief Header file of RTC LL module.
		6	******************************************************************************
		7	* @attention
		8	*
9	mjames	9	* <h2><center>© Copyright (c) 2016 STMicroelectronics.
		10	* All rights reserved.</center></h2>
2	mjames	11	*
9	mjames	12	* This software component is licensed by ST under BSD 3-Clause license,
		13	* the "License"; You may not use this file except in compliance with the
		14	* License. You may obtain a copy of the License at:
		15	* opensource.org/licenses/BSD-3-Clause
2	mjames	16	*
		17	******************************************************************************
		18	*/
		19
		20	/* Define to prevent recursive inclusion -------------------------------------*/
		21	#ifndef __STM32F1xx_LL_RTC_H
		22	#define __STM32F1xx_LL_RTC_H
		23
		24	#ifdef __cplusplus
		25	extern "C" {
		26	#endif
		27
		28	/* Includes ------------------------------------------------------------------*/
		29	#include "stm32f1xx.h"
		30
		31	/** @addtogroup STM32F1xx_LL_Driver
		32	* @{
		33	*/
		34
		35	#if defined(RTC)
		36
		37	/** @defgroup RTC_LL RTC
		38	* @{
		39	*/
		40
		41	/* Private types -------------------------------------------------------------*/
		42	/* Private variables ---------------------------------------------------------*/
		43	/* Private constants ---------------------------------------------------------*/
		44
		45	/* Private macros ------------------------------------------------------------*/
		46	#if defined(USE_FULL_LL_DRIVER)
		47	/** @defgroup RTC_LL_Private_Macros RTC Private Macros
		48	* @{
		49	*/
		50	/**
		51	* @}
		52	*/
		53	#endif /USE_FULL_LL_DRIVER/
		54
		55	/* Exported types ------------------------------------------------------------*/
		56	#if defined(USE_FULL_LL_DRIVER)
		57	/** @defgroup RTC_LL_ES_INIT RTC Exported Init structure
		58	* @{
		59	*/
		60
		61	/**
		62	* @brief RTC Init structures definition
		63	*/
		64	typedef struct
		65	{
		66	uint32_t AsynchPrescaler; /*!< Specifies the RTC Asynchronous Predivider value.
		67	This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFFFFF
9	mjames	68
2	mjames	69	This feature can be modified afterwards using unitary function
		70	@ref LL_RTC_SetAsynchPrescaler(). */
		71
		72	uint32_t OutPutSource; /*!< Specifies which signal will be routed to the RTC Tamper pin.
9	mjames	73	This parameter can be a value of @ref LL_RTC_Output_Source
		74
2	mjames	75	This feature can be modified afterwards using unitary function
		76	@ref LL_RTC_SetOutputSource(). */
		77
		78	} LL_RTC_InitTypeDef;
		79
		80	/**
		81	* @brief RTC Time structure definition
		82	*/
		83	typedef struct
		84	{
		85	uint8_t Hours; /*!< Specifies the RTC Time Hours.
		86	This parameter must be a number between Min_Data = 0 and Max_Data = 23 */
		87
		88	uint8_t Minutes; /*!< Specifies the RTC Time Minutes.
		89	This parameter must be a number between Min_Data = 0 and Max_Data = 59 */
		90
		91	uint8_t Seconds; /*!< Specifies the RTC Time Seconds.
		92	This parameter must be a number between Min_Data = 0 and Max_Data = 59 */
		93	} LL_RTC_TimeTypeDef;
		94
		95
		96	/**
		97	* @brief RTC Alarm structure definition
		98	*/
		99	typedef struct
		100	{
		101	LL_RTC_TimeTypeDef AlarmTime; /!< Specifies the RTC Alarm Time members. /
		102
		103	} LL_RTC_AlarmTypeDef;
		104
		105	/**
		106	* @}
		107	*/
		108	#endif /* USE_FULL_LL_DRIVER */
		109
		110	/* Exported constants --------------------------------------------------------*/
		111	/** @defgroup RTC_LL_Exported_Constants RTC Exported Constants
		112	* @{
		113	*/
		114
		115	#if defined(USE_FULL_LL_DRIVER)
		116	/** @defgroup RTC_LL_EC_FORMAT FORMAT
		117	* @{
		118	*/
		119	#define LL_RTC_FORMAT_BIN (0x000000000U) /!< Binary data format /
		120	#define LL_RTC_FORMAT_BCD (0x000000001U) /!< BCD data format /
		121	/**
		122	* @}
		123	*/
		124	#endif /* USE_FULL_LL_DRIVER */
		125
		126	/** @defgroup RTC_LL_EC_BKP BACKUP
		127	* @{
		128	*/
		129	#if RTC_BKP_NUMBER > 0
		130	#define LL_RTC_BKP_DR1 (0x00000001U)
		131	#define LL_RTC_BKP_DR2 (0x00000002U)
		132	#define LL_RTC_BKP_DR3 (0x00000003U)
		133	#define LL_RTC_BKP_DR4 (0x00000004U)
		134	#define LL_RTC_BKP_DR5 (0x00000005U)
		135	#define LL_RTC_BKP_DR6 (0x00000006U)
		136	#define LL_RTC_BKP_DR7 (0x00000007U)
		137	#define LL_RTC_BKP_DR8 (0x00000008U)
		138	#define LL_RTC_BKP_DR9 (0x00000009U)
		139	#define LL_RTC_BKP_DR10 (0x0000000AU)
		140	#endif /* RTC_BKP_NUMBER > 0 */
		141	#if RTC_BKP_NUMBER > 10
		142	#define LL_RTC_BKP_DR11 (0x0000000BU)
		143	#define LL_RTC_BKP_DR12 (0x0000000CU)
		144	#define LL_RTC_BKP_DR13 (0x0000000DU)
		145	#define LL_RTC_BKP_DR14 (0x0000000EU)
		146	#define LL_RTC_BKP_DR15 (0x0000000FU)
		147	#define LL_RTC_BKP_DR16 (0x00000010U)
		148	#define LL_RTC_BKP_DR17 (0x00000011U)
		149	#define LL_RTC_BKP_DR18 (0x00000012U)
		150	#define LL_RTC_BKP_DR19 (0x00000013U)
		151	#define LL_RTC_BKP_DR20 (0x00000014U)
		152	#define LL_RTC_BKP_DR21 (0x00000015U)
		153	#define LL_RTC_BKP_DR22 (0x00000016U)
		154	#define LL_RTC_BKP_DR23 (0x00000017U)
		155	#define LL_RTC_BKP_DR24 (0x00000018U)
		156	#define LL_RTC_BKP_DR25 (0x00000019U)
		157	#define LL_RTC_BKP_DR26 (0x0000001AU)
		158	#define LL_RTC_BKP_DR27 (0x0000001BU)
		159	#define LL_RTC_BKP_DR28 (0x0000001CU)
		160	#define LL_RTC_BKP_DR29 (0x0000001DU)
		161	#define LL_RTC_BKP_DR30 (0x0000001EU)
		162	#define LL_RTC_BKP_DR31 (0x0000001FU)
		163	#define LL_RTC_BKP_DR32 (0x00000020U)
		164	#define LL_RTC_BKP_DR33 (0x00000021U)
		165	#define LL_RTC_BKP_DR34 (0x00000022U)
		166	#define LL_RTC_BKP_DR35 (0x00000023U)
		167	#define LL_RTC_BKP_DR36 (0x00000024U)
		168	#define LL_RTC_BKP_DR37 (0x00000025U)
		169	#define LL_RTC_BKP_DR38 (0x00000026U)
		170	#define LL_RTC_BKP_DR39 (0x00000027U)
		171	#define LL_RTC_BKP_DR40 (0x00000028U)
		172	#define LL_RTC_BKP_DR41 (0x00000029U)
		173	#define LL_RTC_BKP_DR42 (0x0000002AU)
		174	#endif /* RTC_BKP_NUMBER > 10 */
		175
		176	/**
		177	* @}
		178	*/
		179
		180	/** @defgroup RTC_LL_EC_TAMPLEVEL Tamper Active Level
		181	* @{
9	mjames	182	*/
2	mjames	183	#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) /
		184	#define LL_RTC_TAMPER_ACTIVELEVEL_HIGH (0x00000000U) /!< A low level on the TAMPER pin resets all data backup registers (if TPE bit is set) /
		185
		186	/**
		187	* @}
		188	*/
		189
		190	/** @defgroup LL_RTC_Output_Source Clock Source to output on the Tamper Pin
		191	* @{
		192	*/
		193	#define LL_RTC_CALIB_OUTPUT_NONE (0x00000000U) /!< Calibration output disabled /
		194	#define LL_RTC_CALIB_OUTPUT_RTCCLOCK BKP_RTCCR_CCO /!< Calibration output is RTC Clock with a frequency divided by 64 on the TAMPER Pin /
		195	#define LL_RTC_CALIB_OUTPUT_ALARM BKP_RTCCR_ASOE /!< Calibration output is Alarm pulse signal on the TAMPER pin /
		196	#define LL_RTC_CALIB_OUTPUT_SECOND (BKP_RTCCR_ASOS \| BKP_RTCCR_ASOE) /!< Calibration output is Second pulse signal on the TAMPER pin/
		197	/**
		198	* @}
		199	*/
		200
		201	/**
		202	* @}
		203	*/
		204
		205	/* Exported macro ------------------------------------------------------------*/
		206	/** @defgroup RTC_LL_Exported_Macros RTC Exported Macros
		207	* @{
		208	*/
		209
		210	/** @defgroup RTC_LL_EM_WRITE_READ Common Write and read registers Macros
		211	* @{
		212	*/
		213
		214	/**
		215	* @brief Write a value in RTC register
		216	* @param __INSTANCE__ RTC Instance
		217	* @param __REG__ Register to be written
		218	* @param __VALUE__ Value to be written in the register
		219	* @retval None
		220	*/
		221	#define LL_RTC_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
		222
		223	/**
		224	* @brief Read a value in RTC register
		225	* @param __INSTANCE__ RTC Instance
		226	* @param __REG__ Register to be read
		227	* @retval Register value
		228	*/
		229	#define LL_RTC_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
		230	/**
		231	* @}
		232	*/
		233
		234	/** @defgroup RTC_LL_EM_Convert Convert helper Macros
		235	* @{
		236	*/
		237
		238	/**
		239	* @brief Helper macro to convert a value from 2 digit decimal format to BCD format
		240	* @param __VALUE__ Byte to be converted
		241	* @retval Converted byte
		242	*/
		243	#define __LL_RTC_CONVERT_BIN2BCD(__VALUE__) (uint8_t)((((__VALUE__) / 10U) << 4U) \| ((__VALUE__) % 10U))
		244
		245	/**
		246	* @brief Helper macro to convert a value from BCD format to 2 digit decimal format
		247	* @param __VALUE__ BCD value to be converted
		248	* @retval Converted byte
		249	*/
		250	#define __LL_RTC_CONVERT_BCD2BIN(__VALUE__) (uint8_t)(((uint8_t)((__VALUE__) & (uint8_t)0xF0U) >> (uint8_t)0x4U) * 10U + ((__VALUE__) & (uint8_t)0x0FU))
		251
		252	/**
		253	* @}
		254	*/
		255
		256	/**
		257	* @}
		258	*/
		259
		260	/* Exported functions --------------------------------------------------------*/
		261	/** @defgroup RTC_LL_Exported_Functions RTC Exported Functions
		262	* @{
		263	*/
		264
		265	/** @defgroup RTC_LL_EF_Configuration Configuration
		266	* @{
		267	*/
		268
		269	/**
		270	* @brief Set Asynchronous prescaler factor
		271	* @rmtoll PRLH PRL LL_RTC_SetAsynchPrescaler\n
		272	* @rmtoll PRLL PRL LL_RTC_SetAsynchPrescaler\n
		273	* @param RTCx RTC Instance
		274	* @param AsynchPrescaler Value between Min_Data = 0 and Max_Data = 0xFFFFF
		275	* @retval None
		276	*/
		277	__STATIC_INLINE void LL_RTC_SetAsynchPrescaler(RTC_TypeDef *RTCx, uint32_t AsynchPrescaler)
		278	{
		279	MODIFY_REG(RTCx->PRLH, RTC_PRLH_PRL, (AsynchPrescaler >> 16));
		280	MODIFY_REG(RTCx->PRLL, RTC_PRLL_PRL, (AsynchPrescaler & RTC_PRLL_PRL));
		281	}
		282
		283	/**
		284	* @brief Get Asynchronous prescaler factor
		285	* @rmtoll DIVH DIV LL_RTC_GetDivider\n
		286	* @rmtoll DIVL DIV LL_RTC_GetDivider\n
		287	* @param RTCx RTC Instance
		288	* @retval Value between Min_Data = 0 and Max_Data = 0xFFFFF
		289	*/
		290	__STATIC_INLINE uint32_t LL_RTC_GetDivider(RTC_TypeDef *RTCx)
		291	{
9	mjames	292	register uint16_t Highprescaler = 0, Lowprescaler = 0;
2	mjames	293	Highprescaler = READ_REG(RTCx->DIVH & RTC_DIVH_RTC_DIV);
		294	Lowprescaler = READ_REG(RTCx->DIVL & RTC_DIVL_RTC_DIV);
9	mjames	295
2	mjames	296	return (((uint32_t) Highprescaler << 16U) \| Lowprescaler);
		297	}
		298
		299	/**
		300	* @brief Set Output Source
		301	* @rmtoll RTCCR CCO LL_RTC_SetOutputSource
		302	* @rmtoll RTCCR ASOE LL_RTC_SetOutputSource
		303	* @rmtoll RTCCR ASOS LL_RTC_SetOutputSource
		304	* @param BKPx BKP Instance
		305	* @param OutputSource This parameter can be one of the following values:
		306	* @arg @ref LL_RTC_CALIB_OUTPUT_NONE
		307	* @arg @ref LL_RTC_CALIB_OUTPUT_RTCCLOCK
		308	* @arg @ref LL_RTC_CALIB_OUTPUT_ALARM
		309	* @arg @ref LL_RTC_CALIB_OUTPUT_SECOND
		310	* @retval None
		311	*/
		312	__STATIC_INLINE void LL_RTC_SetOutputSource(BKP_TypeDef *BKPx, uint32_t OutputSource)
		313	{
		314	MODIFY_REG(BKPx->RTCCR, (BKP_RTCCR_CCO \| BKP_RTCCR_ASOE \| BKP_RTCCR_ASOS), OutputSource);
		315	}
		316
		317	/**
		318	* @brief Get Output Source
		319	* @rmtoll RTCCR CCO LL_RTC_GetOutPutSource
		320	* @rmtoll RTCCR ASOE LL_RTC_GetOutPutSource
		321	* @rmtoll RTCCR ASOS LL_RTC_GetOutPutSource
		322	* @param BKPx BKP Instance
		323	* @retval Returned value can be one of the following values:
		324	* @arg @ref LL_RTC_CALIB_OUTPUT_NONE
		325	* @arg @ref LL_RTC_CALIB_OUTPUT_RTCCLOCK
		326	* @arg @ref LL_RTC_CALIB_OUTPUT_ALARM
		327	* @arg @ref LL_RTC_CALIB_OUTPUT_SECOND
		328	*/
		329	__STATIC_INLINE uint32_t LL_RTC_GetOutPutSource(BKP_TypeDef *BKPx)
		330	{
		331	return (uint32_t)(READ_BIT(BKPx->RTCCR, (BKP_RTCCR_CCO \| BKP_RTCCR_ASOE \| BKP_RTCCR_ASOS)));
		332	}
		333
		334	/**
		335	* @brief Enable the write protection for RTC registers.
		336	* @rmtoll CRL CNF LL_RTC_EnableWriteProtection
		337	* @param RTCx RTC Instance
		338	* @retval None
		339	*/
		340	__STATIC_INLINE void LL_RTC_EnableWriteProtection(RTC_TypeDef *RTCx)
		341	{
9	mjames	342	CLEAR_BIT(RTCx->CRL, RTC_CRL_CNF);
2	mjames	343	}
		344
		345	/**
		346	* @brief Disable the write protection for RTC registers.
		347	* @rmtoll CRL RTC_CRL_CNF LL_RTC_DisableWriteProtection
		348	* @param RTCx RTC Instance
		349	* @retval None
		350	*/
		351	__STATIC_INLINE void LL_RTC_DisableWriteProtection(RTC_TypeDef *RTCx)
		352	{
		353	SET_BIT(RTCx->CRL, RTC_CRL_CNF);
		354	}
		355
		356	/**
		357	* @}
		358	*/
		359
		360	/** @defgroup RTC_LL_EF_Time Time
		361	* @{
		362	*/
		363
		364	/**
		365	* @brief Set time counter in BCD format
		366	* @note Bit is write-protected. @ref LL_RTC_DisableWriteProtection function should be called before.
		367	* @note It can be written in initialization mode only (@ref LL_RTC_EnterInitMode function)
		368	* @rmtoll CNTH CNT LL_RTC_TIME_Set\n
		369	* CNTL CNT LL_RTC_TIME_Set\n
		370	* @param RTCx RTC Instance
		371	* @param TimeCounter Value between Min_Data=0x00 and Max_Data=0xFFFFF
		372	* @retval None
		373	*/
		374	__STATIC_INLINE void LL_RTC_TIME_Set(RTC_TypeDef *RTCx, uint32_t TimeCounter)
		375	{
9	mjames	376	/* Set RTC COUNTER MSB word */
		377	WRITE_REG(RTCx->CNTH, (TimeCounter >> 16U));
		378	/* Set RTC COUNTER LSB word */
		379	WRITE_REG(RTCx->CNTL, (TimeCounter & RTC_CNTL_RTC_CNT));
2	mjames	380	}
		381
		382	/**
		383	* @brief Get time counter in BCD format
		384	* @rmtoll CNTH CNT LL_RTC_TIME_Get\n
		385	* CNTL CNT LL_RTC_TIME_Get\n
		386	* @param RTCx RTC Instance
		387	* @retval Value between Min_Data = 0 and Max_Data = 0xFFFFF
		388	*/
		389	__STATIC_INLINE uint32_t LL_RTC_TIME_Get(RTC_TypeDef *RTCx)
		390	{
		391	register uint16_t high = 0, low = 0;
9	mjames	392
2	mjames	393	high = READ_REG(RTCx->CNTH & RTC_CNTH_RTC_CNT);
		394	low = READ_REG(RTCx->CNTL & RTC_CNTL_RTC_CNT);
		395	return ((uint32_t)(((uint32_t) high << 16U) \| low));
		396	}
		397
		398	/**
		399	* @}
		400	*/
		401
		402	/** @defgroup RTC_LL_EF_ALARM ALARM
		403	* @{
		404	*/
		405
		406	/**
		407	* @brief Set Alarm Counter
		408	* @note Bit is write-protected. @ref LL_RTC_DisableWriteProtection function should be called before.
		409	* @rmtoll ALRH ALR LL_RTC_ALARM_Set\n
		410	* @rmtoll ALRL ALR LL_RTC_ALARM_Set\n
		411	* @param RTCx RTC Instance
		412	* @param AlarmCounter Value between Min_Data=0x00 and Max_Data=0xFFFFF
		413	* @retval None
		414	*/
		415	__STATIC_INLINE void LL_RTC_ALARM_Set(RTC_TypeDef *RTCx, uint32_t AlarmCounter)
		416	{
		417	/* Set RTC COUNTER MSB word */
		418	WRITE_REG(RTCx->ALRH, (AlarmCounter >> 16));
		419	/* Set RTC COUNTER LSB word */
		420	WRITE_REG(RTCx->ALRL, (AlarmCounter & RTC_ALRL_RTC_ALR));
		421	}
		422
		423	/**
		424	* @brief Get Alarm Counter
		425	* @note Bit is write-protected. @ref LL_RTC_DisableWriteProtection function should be called before.
		426	* @rmtoll ALRH ALR LL_RTC_ALARM_Get\n
		427	* @rmtoll ALRL ALR LL_RTC_ALARM_Get\n
		428	* @param RTCx RTC Instance
		429	* @retval None
		430	*/
		431	__STATIC_INLINE uint32_t LL_RTC_ALARM_Get(RTC_TypeDef *RTCx)
		432	{
		433	register uint16_t high = 0, low = 0;
		434
		435	high = READ_REG(RTCx->ALRH & RTC_ALRH_RTC_ALR);
		436	low = READ_REG(RTCx->ALRL & RTC_ALRL_RTC_ALR);
		437
		438	return (((uint32_t) high << 16U) \| low);
		439	}
		440
		441	/**
		442	* @}
		443	*/
		444
		445	/** @defgroup RTC_LL_EF_Tamper Tamper
		446	* @{
		447	*/
		448
		449	/**
		450	* @brief Enable RTC_TAMPx input detection
		451	* @rmtoll CR TPE LL_RTC_TAMPER_Enable\n
		452	* @retval None
		453	*/
		454	__STATIC_INLINE void LL_RTC_TAMPER_Enable(BKP_TypeDef *BKPx)
		455	{
		456	SET_BIT(BKPx->CR, BKP_CR_TPE);
		457	}
		458
		459	/**
		460	* @brief Disable RTC_TAMPx Tamper
		461	* @rmtoll CR TPE LL_RTC_TAMPER_Disable\n
		462	* @retval None
		463	*/
		464	__STATIC_INLINE void LL_RTC_TAMPER_Disable(BKP_TypeDef *BKPx)
		465	{
		466	CLEAR_BIT(BKP->CR, BKP_CR_TPE);
		467	}
		468
		469	/**
		470	* @brief Enable Active level for Tamper input
		471	* @rmtoll CR TPAL LL_RTC_TAMPER_SetActiveLevel\n
		472	* @param BKPx BKP Instance
		473	* @param Tamper This parameter can be a combination of the following values:
		474	* @arg @ref LL_RTC_TAMPER_ACTIVELEVEL_LOW
		475	* @arg @ref LL_RTC_TAMPER_ACTIVELEVEL_HIGH
		476	* @retval None
		477	*/
		478	__STATIC_INLINE void LL_RTC_TAMPER_SetActiveLevel(BKP_TypeDef *BKPx, uint32_t Tamper)
		479	{
		480	MODIFY_REG(BKPx->CR, BKP_CR_TPAL, Tamper);
		481	}
		482
		483	/**
		484	* @brief Disable Active level for Tamper input
		485	* @rmtoll CR TPAL LL_RTC_TAMPER_SetActiveLevel\n
		486	* @retval None
		487	*/
		488	__STATIC_INLINE uint32_t LL_RTC_TAMPER_GetActiveLevel(BKP_TypeDef *BKPx)
		489	{
		490	return (uint32_t)(READ_BIT(BKPx->CR, BKP_CR_TPAL));
		491	}
		492
		493	/**
		494	* @}
		495	*/
		496
		497	/** @defgroup RTC_LL_EF_Backup_Registers Backup_Registers
		498	* @{
		499	*/
		500
		501	/**
		502	* @brief Writes a data in a specified RTC Backup data register.
		503	* @rmtoll BKPDR DR LL_RTC_BKP_SetRegister
		504	* @param BKPx BKP Instance
		505	* @param BackupRegister This parameter can be one of the following values:
		506	* @arg @ref LL_RTC_BKP_DR1
		507	* @arg @ref LL_RTC_BKP_DR2
		508	* @arg @ref LL_RTC_BKP_DR3
		509	* @arg @ref LL_RTC_BKP_DR4
9	mjames	510	* @arg @ref LL_RTC_BKP_DR5
		511	* @arg @ref LL_RTC_BKP_DR6
		512	* @arg @ref LL_RTC_BKP_DR7
		513	* @arg @ref LL_RTC_BKP_DR8
		514	* @arg @ref LL_RTC_BKP_DR9
		515	* @arg @ref LL_RTC_BKP_DR10
2	mjames	516	* @arg @ref LL_RTC_BKP_DR11 (*)
		517	* @arg @ref LL_RTC_BKP_DR12 (*)
		518	* @arg @ref LL_RTC_BKP_DR13 (*)
		519	* @arg @ref LL_RTC_BKP_DR14 (*)
		520	* @arg @ref LL_RTC_BKP_DR15 (*)
		521	* @arg @ref LL_RTC_BKP_DR16 (*)
		522	* @arg @ref LL_RTC_BKP_DR17 (*)
		523	* @arg @ref LL_RTC_BKP_DR18 (*)
		524	* @arg @ref LL_RTC_BKP_DR19 (*)
		525	* @arg @ref LL_RTC_BKP_DR20 (*)
		526	* @arg @ref LL_RTC_BKP_DR21 (*)
		527	* @arg @ref LL_RTC_BKP_DR22 (*)
		528	* @arg @ref LL_RTC_BKP_DR23 (*)
		529	* @arg @ref LL_RTC_BKP_DR24 (*)
		530	* @arg @ref LL_RTC_BKP_DR25 (*)
		531	* @arg @ref LL_RTC_BKP_DR26 (*)
		532	* @arg @ref LL_RTC_BKP_DR27 (*)
		533	* @arg @ref LL_RTC_BKP_DR28 (*)
		534	* @arg @ref LL_RTC_BKP_DR29 (*)
		535	* @arg @ref LL_RTC_BKP_DR30 (*)
		536	* @arg @ref LL_RTC_BKP_DR31 (*)
		537	* @arg @ref LL_RTC_BKP_DR32 (*)
		538	* @arg @ref LL_RTC_BKP_DR33 (*)
		539	* @arg @ref LL_RTC_BKP_DR34 (*)
		540	* @arg @ref LL_RTC_BKP_DR35 (*)
		541	* @arg @ref LL_RTC_BKP_DR36 (*)
		542	* @arg @ref LL_RTC_BKP_DR37 (*)
		543	* @arg @ref LL_RTC_BKP_DR38 (*)
		544	* @arg @ref LL_RTC_BKP_DR39 (*)
		545	* @arg @ref LL_RTC_BKP_DR40 (*)
		546	* @arg @ref LL_RTC_BKP_DR41 (*)
		547	* @arg @ref LL_RTC_BKP_DR42 (*)
		548	* (*) value not defined in all devices.
		549	* @param Data Value between Min_Data=0x00 and Max_Data=0xFFFFFFFF
		550	* @retval None
		551	*/
		552	__STATIC_INLINE void LL_RTC_BKP_SetRegister(BKP_TypeDef *BKPx, uint32_t BackupRegister, uint32_t Data)
		553	{
		554	register uint32_t tmp = 0U;
		555
		556	tmp = (uint32_t)BKP_BASE;
		557	tmp += (BackupRegister * 4U);
		558
		559	/* Write the specified register */
		560	(__IO uint32_t )tmp = (uint32_t)Data;
		561	}
		562
		563	/**
		564	* @brief Reads data from the specified RTC Backup data Register.
		565	* @rmtoll BKPDR DR LL_RTC_BKP_GetRegister
		566	* @param BKPx BKP Instance
		567	* @param BackupRegister This parameter can be one of the following values:
		568	* @arg @ref LL_RTC_BKP_DR1
		569	* @arg @ref LL_RTC_BKP_DR2
		570	* @arg @ref LL_RTC_BKP_DR3
		571	* @arg @ref LL_RTC_BKP_DR4
9	mjames	572	* @arg @ref LL_RTC_BKP_DR5
		573	* @arg @ref LL_RTC_BKP_DR6
		574	* @arg @ref LL_RTC_BKP_DR7
		575	* @arg @ref LL_RTC_BKP_DR8
		576	* @arg @ref LL_RTC_BKP_DR9
		577	* @arg @ref LL_RTC_BKP_DR10
2	mjames	578	* @arg @ref LL_RTC_BKP_DR11 (*)
		579	* @arg @ref LL_RTC_BKP_DR12 (*)
		580	* @arg @ref LL_RTC_BKP_DR13 (*)
		581	* @arg @ref LL_RTC_BKP_DR14 (*)
		582	* @arg @ref LL_RTC_BKP_DR15 (*)
		583	* @arg @ref LL_RTC_BKP_DR16 (*)
		584	* @arg @ref LL_RTC_BKP_DR17 (*)
		585	* @arg @ref LL_RTC_BKP_DR18 (*)
		586	* @arg @ref LL_RTC_BKP_DR19 (*)
		587	* @arg @ref LL_RTC_BKP_DR20 (*)
		588	* @arg @ref LL_RTC_BKP_DR21 (*)
		589	* @arg @ref LL_RTC_BKP_DR22 (*)
		590	* @arg @ref LL_RTC_BKP_DR23 (*)
		591	* @arg @ref LL_RTC_BKP_DR24 (*)
		592	* @arg @ref LL_RTC_BKP_DR25 (*)
		593	* @arg @ref LL_RTC_BKP_DR26 (*)
		594	* @arg @ref LL_RTC_BKP_DR27 (*)
		595	* @arg @ref LL_RTC_BKP_DR28 (*)
		596	* @arg @ref LL_RTC_BKP_DR29 (*)
		597	* @arg @ref LL_RTC_BKP_DR30 (*)
		598	* @arg @ref LL_RTC_BKP_DR31 (*)
		599	* @arg @ref LL_RTC_BKP_DR32 (*)
		600	* @arg @ref LL_RTC_BKP_DR33 (*)
		601	* @arg @ref LL_RTC_BKP_DR34 (*)
		602	* @arg @ref LL_RTC_BKP_DR35 (*)
		603	* @arg @ref LL_RTC_BKP_DR36 (*)
		604	* @arg @ref LL_RTC_BKP_DR37 (*)
		605	* @arg @ref LL_RTC_BKP_DR38 (*)
		606	* @arg @ref LL_RTC_BKP_DR39 (*)
		607	* @arg @ref LL_RTC_BKP_DR40 (*)
		608	* @arg @ref LL_RTC_BKP_DR41 (*)
		609	* @arg @ref LL_RTC_BKP_DR42 (*)
		610	* @retval Value between Min_Data=0x00 and Max_Data=0xFFFFFFFF
		611	*/
		612	__STATIC_INLINE uint32_t LL_RTC_BKP_GetRegister(BKP_TypeDef *BKPx, uint32_t BackupRegister)
		613	{
		614	register uint32_t tmp = 0U;
		615
		616	tmp = (uint32_t)BKP_BASE;
		617	tmp += (BackupRegister * 4U);
		618
		619	/* Read the specified register */
		620	return (((__IO uint32_t )tmp) & BKP_DR1_D);
		621	}
		622
		623	/**
		624	* @}
		625	*/
		626
		627	/** @defgroup RTC_LL_EF_Calibration Calibration
		628	* @{
		629	*/
		630
		631	/**
		632	* @brief Set the coarse digital calibration
		633	* @note Bit is write-protected. @ref LL_RTC_DisableWriteProtection function should be called before.
		634	* @note It can be written in initialization mode only (@ref LL_RTC_EnterInitMode function)
		635	* @rmtoll RTCCR CAL LL_RTC_CAL_SetCoarseDigital\n
		636	* @param BKPx RTC Instance
		637	* @param Value value of coarse calibration expressed in ppm (coded on 5 bits)
		638	* @note This Calibration value should be between 0 and 121 when using positive sign with a 4-ppm step.
		639	* @retval None
		640	*/
9	mjames	641	__STATIC_INLINE void LL_RTC_CAL_SetCoarseDigital(BKP_TypeDef *BKPx, uint32_t Value)
2	mjames	642	{
9	mjames	643	MODIFY_REG(BKPx->RTCCR, BKP_RTCCR_CAL, Value);
2	mjames	644	}
		645
		646	/**
		647	* @brief Get the coarse digital calibration value
		648	* @rmtoll RTCCR CAL LL_RTC_CAL_SetCoarseDigital\n
		649	* @param BKPx BKP Instance
		650	* @retval value of coarse calibration expressed in ppm (coded on 5 bits)
		651	*/
		652	__STATIC_INLINE uint32_t LL_RTC_CAL_GetCoarseDigital(BKP_TypeDef *BKPx)
		653	{
		654	return (uint32_t)(READ_BIT(BKPx->RTCCR, BKP_RTCCR_CAL));
		655	}
		656	/**
		657	* @}
		658	*/
		659
		660	/** @defgroup RTC_LL_EF_FLAG_Management FLAG_Management
		661	* @{
		662	*/
		663
		664	/**
		665	* @brief Get RTC_TAMPI Interruption detection flag
		666	* @rmtoll CSR TIF LL_RTC_IsActiveFlag_TAMPI
		667	* @param BKPx BKP Instance
		668	* @retval State of bit (1 or 0).
		669	*/
		670	__STATIC_INLINE uint32_t LL_RTC_IsActiveFlag_TAMPI(BKP_TypeDef *BKPx)
		671	{
		672	return (READ_BIT(BKPx->CSR, BKP_CSR_TIF) == (BKP_CSR_TIF));
		673	}
		674
		675	/**
		676	* @brief Clear RTC_TAMP Interruption detection flag
		677	* @rmtoll CSR CTI LL_RTC_ClearFlag_TAMPI
		678	* @param BKPx BKP Instance
		679	* @retval None
		680	*/
		681	__STATIC_INLINE void LL_RTC_ClearFlag_TAMPI(BKP_TypeDef *BKPx)
		682	{
		683	SET_BIT(BKPx->CSR, BKP_CSR_CTI);
		684	}
		685
		686	/**
		687	* @brief Get RTC_TAMPE Event detection flag
		688	* @rmtoll CSR TEF LL_RTC_IsActiveFlag_TAMPE
		689	* @param BKPx BKP Instance
		690	* @retval State of bit (1 or 0).
		691	*/
		692	__STATIC_INLINE uint32_t LL_RTC_IsActiveFlag_TAMPE(BKP_TypeDef *BKPx)
		693	{
		694	return (READ_BIT(BKPx->CSR, BKP_CSR_TEF) == (BKP_CSR_TEF));
		695	}
		696
		697	/**
		698	* @brief Clear RTC_TAMPE Even detection flag
		699	* @rmtoll CSR CTE LL_RTC_ClearFlag_TAMPE
		700	* @param BKPx BKP Instance
		701	* @retval None
		702	*/
		703	__STATIC_INLINE void LL_RTC_ClearFlag_TAMPE(BKP_TypeDef *BKPx)
		704	{
		705	SET_BIT(BKPx->CSR, BKP_CSR_CTE);
		706	}
		707
		708	/**
		709	* @brief Get Alarm flag
		710	* @rmtoll CRL ALRF LL_RTC_IsActiveFlag_ALR
		711	* @param RTCx RTC Instance
		712	* @retval State of bit (1 or 0).
		713	*/
		714	__STATIC_INLINE uint32_t LL_RTC_IsActiveFlag_ALR(RTC_TypeDef *RTCx)
		715	{
		716	return (READ_BIT(RTCx->CRL, RTC_CRL_ALRF) == (RTC_CRL_ALRF));
		717	}
		718
		719	/**
		720	* @brief Clear Alarm flag
		721	* @rmtoll CRL ALRF LL_RTC_ClearFlag_ALR
		722	* @param RTCx RTC Instance
		723	* @retval None
		724	*/
		725	__STATIC_INLINE void LL_RTC_ClearFlag_ALR(RTC_TypeDef *RTCx)
		726	{
		727	CLEAR_BIT(RTCx->CRL, RTC_CRL_ALRF);
		728	}
		729
		730	/**
		731	* @brief Get Registers synchronization flag
		732	* @rmtoll CRL RSF LL_RTC_IsActiveFlag_RS
		733	* @param RTCx RTC Instance
		734	* @retval State of bit (1 or 0).
		735	*/
		736	__STATIC_INLINE uint32_t LL_RTC_IsActiveFlag_RS(RTC_TypeDef *RTCx)
		737	{
		738	return (READ_BIT(RTCx->CRL, RTC_CRL_RSF) == (RTC_CRL_RSF));
		739	}
		740
		741	/**
		742	* @brief Clear Registers synchronization flag
		743	* @rmtoll CRL RSF LL_RTC_ClearFlag_RS
		744	* @param RTCx RTC Instance
		745	* @retval None
		746	*/
		747	__STATIC_INLINE void LL_RTC_ClearFlag_RS(RTC_TypeDef *RTCx)
		748	{
		749	CLEAR_BIT(RTCx->CRL, RTC_CRL_RSF);
		750	}
		751
		752	/**
		753	* @brief Get Registers OverFlow flag
		754	* @rmtoll CRL OWF LL_RTC_IsActiveFlag_OW
		755	* @param RTCx RTC Instance
		756	* @retval State of bit (1 or 0).
		757	*/
		758	__STATIC_INLINE uint32_t LL_RTC_IsActiveFlag_OW(RTC_TypeDef *RTCx)
		759	{
		760	return (READ_BIT(RTCx->CRL, RTC_CRL_OWF) == (RTC_CRL_OWF));
		761	}
		762
		763	/**
		764	* @brief Clear Registers OverFlow flag
		765	* @rmtoll CRL OWF LL_RTC_ClearFlag_OW
		766	* @param RTCx RTC Instance
		767	* @retval None
		768	*/
		769	__STATIC_INLINE void LL_RTC_ClearFlag_OW(RTC_TypeDef *RTCx)
		770	{
		771	CLEAR_BIT(RTCx->CRL, RTC_CRL_OWF);
		772	}
		773
		774	/**
		775	* @brief Get Registers synchronization flag
		776	* @rmtoll CRL SECF LL_RTC_IsActiveFlag_SEC
		777	* @param RTCx RTC Instance
		778	* @retval State of bit (1 or 0).
		779	*/
		780	__STATIC_INLINE uint32_t LL_RTC_IsActiveFlag_SEC(RTC_TypeDef *RTCx)
		781	{
		782	return (READ_BIT(RTCx->CRL, RTC_CRL_SECF) == (RTC_CRL_SECF));
		783	}
		784
		785	/**
		786	* @brief Clear Registers synchronization flag
		787	* @rmtoll CRL SECF LL_RTC_ClearFlag_SEC
		788	* @param RTCx RTC Instance
		789	* @retval None
		790	*/
		791	__STATIC_INLINE void LL_RTC_ClearFlag_SEC(RTC_TypeDef *RTCx)
		792	{
		793	CLEAR_BIT(RTCx->CRL, RTC_CRL_SECF);
		794	}
		795
		796	/**
		797	* @brief Get RTC Operation OFF status flag
		798	* @rmtoll CRL RTOFF LL_RTC_IsActiveFlag_RTOF
		799	* @param RTCx RTC Instance
		800	* @retval State of bit (1 or 0).
		801	*/
		802	__STATIC_INLINE uint32_t LL_RTC_IsActiveFlag_RTOF(RTC_TypeDef *RTCx)
		803	{
		804	return (READ_BIT(RTCx->CRL, RTC_CRL_RTOFF) == (RTC_CRL_RTOFF));
		805	}
		806
		807	/**
		808	* @}
		809	*/
		810
		811	/** @defgroup RTC_LL_EF_IT_Management IT_Management
		812	* @{
		813	*/
		814
		815	/**
		816	* @brief Enable Alarm interrupt
		817	* @note Bit is write-protected. @ref LL_RTC_DisableWriteProtection function should be called before.
		818	* @rmtoll CRH ALRIE LL_RTC_EnableIT_ALR
		819	* @param RTCx RTC Instance
		820	* @retval None
		821	*/
		822	__STATIC_INLINE void LL_RTC_EnableIT_ALR(RTC_TypeDef *RTCx)
		823	{
		824	SET_BIT(RTCx->CRH, RTC_CRH_ALRIE);
		825	}
		826
		827	/**
		828	* @brief Disable Alarm interrupt
		829	* @note Bit is write-protected. @ref LL_RTC_DisableWriteProtection function should be called before.
		830	* @rmtoll CRH ALRIE LL_RTC_DisableIT_ALR
		831	* @param RTCx RTC Instance
		832	* @retval None
		833	*/
		834	__STATIC_INLINE void LL_RTC_DisableIT_ALR(RTC_TypeDef *RTCx)
		835	{
		836	CLEAR_BIT(RTCx->CRH, RTC_CRH_ALRIE);
		837	}
		838
		839	/**
		840	* @brief Check if Alarm interrupt is enabled or not
		841	* @rmtoll CRH ALRIE LL_RTC_IsEnabledIT_ALR
		842	* @param RTCx RTC Instance
		843	* @retval State of bit (1 or 0).
		844	*/
		845	__STATIC_INLINE uint32_t LL_RTC_IsEnabledIT_ALR(RTC_TypeDef *RTCx)
		846	{
		847	return (READ_BIT(RTCx->CRH, RTC_CRH_ALRIE) == (RTC_CRH_ALRIE));
		848	}
		849
		850	/**
		851	* @brief Enable Second Interrupt interrupt
		852	* @note Bit is write-protected. @ref LL_RTC_DisableWriteProtection function should be called before.
		853	* @rmtoll CRH SECIE LL_RTC_EnableIT_SEC
		854	* @param RTCx RTC Instance
		855	* @retval None
		856	*/
		857	__STATIC_INLINE void LL_RTC_EnableIT_SEC(RTC_TypeDef *RTCx)
		858	{
		859	SET_BIT(RTCx->CRH, RTC_CRH_SECIE);
		860	}
		861
		862	/**
		863	* @brief Disable Second interrupt
		864	* @note Bit is write-protected. @ref LL_RTC_DisableWriteProtection function should be called before.
		865	* @rmtoll CRH SECIE LL_RTC_DisableIT_SEC
		866	* @param RTCx RTC Instance
		867	* @retval None
		868	*/
		869	__STATIC_INLINE void LL_RTC_DisableIT_SEC(RTC_TypeDef *RTCx)
		870	{
		871	CLEAR_BIT(RTCx->CRH, RTC_CRH_SECIE);
		872	}
		873
		874	/**
		875	* @brief Check if Second interrupt is enabled or not
		876	* @rmtoll CRH SECIE LL_RTC_IsEnabledIT_SEC
		877	* @param RTCx RTC Instance
		878	* @retval State of bit (1 or 0).
		879	*/
		880	__STATIC_INLINE uint32_t LL_RTC_IsEnabledIT_SEC(RTC_TypeDef *RTCx)
		881	{
		882	return (READ_BIT(RTCx->CRH, RTC_CRH_SECIE) == (RTC_CRH_SECIE));
		883	}
		884
		885	/**
		886	* @brief Enable OverFlow interrupt
		887	* @note Bit is write-protected. @ref LL_RTC_DisableWriteProtection function should be called before.
		888	* @rmtoll CRH OWIE LL_RTC_EnableIT_OW
		889	* @param RTCx RTC Instance
		890	* @retval None
		891	*/
		892	__STATIC_INLINE void LL_RTC_EnableIT_OW(RTC_TypeDef *RTCx)
		893	{
		894	SET_BIT(RTCx->CRH, RTC_CRH_OWIE);
		895	}
		896
		897	/**
		898	* @brief Disable OverFlow interrupt
		899	* @note Bit is write-protected. @ref LL_RTC_DisableWriteProtection function should be called before.
		900	* @rmtoll CRH OWIE LL_RTC_DisableIT_OW
		901	* @param RTCx RTC Instance
		902	* @retval None
		903	*/
		904	__STATIC_INLINE void LL_RTC_DisableIT_OW(RTC_TypeDef *RTCx)
		905	{
		906	CLEAR_BIT(RTCx->CRH, RTC_CRH_OWIE);
		907	}
		908
		909	/**
		910	* @brief Check if OverFlow interrupt is enabled or not
		911	* @rmtoll CRH OWIE LL_RTC_IsEnabledIT_OW
		912	* @param RTCx RTC Instance
		913	* @retval State of bit (1 or 0).
		914	*/
		915	__STATIC_INLINE uint32_t LL_RTC_IsEnabledIT_OW(RTC_TypeDef *RTCx)
		916	{
		917	return (READ_BIT(RTCx->CRH, RTC_CRH_OWIE) == (RTC_CRH_OWIE));
		918	}
		919
		920	/**
		921	* @brief Enable Tamper interrupt
		922	* @rmtoll CSR TPIE LL_RTC_EnableIT_TAMP
		923	* @param BKPx BKP Instance
		924	* @retval None
		925	*/
		926	__STATIC_INLINE void LL_RTC_EnableIT_TAMP(BKP_TypeDef *BKPx)
		927	{
9	mjames	928	SET_BIT(BKPx->CSR, BKP_CSR_TPIE);
2	mjames	929	}
		930
		931	/**
		932	* @brief Disable Tamper interrupt
		933	* @rmtoll CSR TPIE LL_RTC_EnableIT_TAMP
		934	* @param BKPx BKP Instance
		935	* @retval None
		936	*/
		937	__STATIC_INLINE void LL_RTC_DisableIT_TAMP(BKP_TypeDef *BKPx)
		938	{
9	mjames	939	CLEAR_BIT(BKPx->CSR, BKP_CSR_TPIE);
2	mjames	940	}
		941
		942	/**
		943	* @brief Check if all the TAMPER interrupts are enabled or not
		944	* @rmtoll CSR TPIE LL_RTC_IsEnabledIT_TAMP
		945	* @param BKPx BKP Instance
		946	* @retval State of bit (1 or 0).
		947	*/
		948	__STATIC_INLINE uint32_t LL_RTC_IsEnabledIT_TAMP(BKP_TypeDef *BKPx)
		949	{
9	mjames	950	return (READ_BIT(BKPx->CSR, BKP_CSR_TPIE) == BKP_CSR_TPIE);
2	mjames	951	}
		952	/**
		953	* @}
		954	*/
		955
		956	#if defined(USE_FULL_LL_DRIVER)
		957	/** @defgroup RTC_LL_EF_Init Initialization and de-initialization functions
		958	* @{
		959	*/
		960
		961	ErrorStatus LL_RTC_DeInit(RTC_TypeDef *RTCx);
		962	ErrorStatus LL_RTC_Init(RTC_TypeDef RTCx, LL_RTC_InitTypeDef RTC_InitStruct);
		963	void LL_RTC_StructInit(LL_RTC_InitTypeDef *RTC_InitStruct);
		964	ErrorStatus LL_RTC_TIME_Init(RTC_TypeDef RTCx, uint32_t RTC_Format, LL_RTC_TimeTypeDef RTC_TimeStruct);
		965	void LL_RTC_TIME_StructInit(LL_RTC_TimeTypeDef *RTC_TimeStruct);
		966	ErrorStatus LL_RTC_ALARM_Init(RTC_TypeDef RTCx, uint32_t RTC_Format, LL_RTC_AlarmTypeDef RTC_AlarmStruct);
		967	void LL_RTC_ALARM_StructInit(LL_RTC_AlarmTypeDef *RTC_AlarmStruct);
		968	ErrorStatus LL_RTC_EnterInitMode(RTC_TypeDef *RTCx);
		969	ErrorStatus LL_RTC_ExitInitMode(RTC_TypeDef *RTCx);
		970	ErrorStatus LL_RTC_WaitForSynchro(RTC_TypeDef *RTCx);
		971	ErrorStatus LL_RTC_TIME_SetCounter(RTC_TypeDef *RTCx, uint32_t TimeCounter);
		972	ErrorStatus LL_RTC_ALARM_SetCounter(RTC_TypeDef *RTCx, uint32_t AlarmCounter);
		973
		974	/**
		975	* @}
		976	*/
		977	#endif /* USE_FULL_LL_DRIVER */
		978
		979	/**
		980	* @}
		981	*/
		982
		983	/**
		984	* @}
		985	*/
		986
		987	/**
		988	* @}
		989	*/
		990
		991	#endif /* defined(RTC) */
		992
		993	/**
		994	* @}
		995	*/
		996
		997	#ifdef __cplusplus
		998	}
		999	#endif
		1000
		1001	#endif /* __STM32F1xx_LL_RTC_H */
		1002
		1003	/********************** (C) COPYRIGHT STMicroelectronics *END OF FILE**/

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(root)/trunk/Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_ll_rtc.h – Rev 9