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/**
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
  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
10
  * All rights reserved.</center></h2>
11
  *
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
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
68
 
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.
73
                                 This parameter can be a value of @ref LL_RTC_Output_Source
74
 
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                    (0x00000010U)
143
#define LL_RTC_BKP_DR12                    (0x00000011U)
144
#define LL_RTC_BKP_DR13                    (0x00000012U)
145
#define LL_RTC_BKP_DR14                    (0x00000013U)
146
#define LL_RTC_BKP_DR15                    (0x00000014U)
147
#define LL_RTC_BKP_DR16                    (0x00000015U)
148
#define LL_RTC_BKP_DR17                    (0x00000016U)
149
#define LL_RTC_BKP_DR18                    (0x00000017U)
150
#define LL_RTC_BKP_DR19                    (0x00000018U)
151
#define LL_RTC_BKP_DR20                    (0x00000019U)
152
#define LL_RTC_BKP_DR21                    (0x0000001AU)
153
#define LL_RTC_BKP_DR22                    (0x0000001BU)
154
#define LL_RTC_BKP_DR23                    (0x0000001CU)
155
#define LL_RTC_BKP_DR24                    (0x0000001DU)
156
#define LL_RTC_BKP_DR25                    (0x0000001EU)
157
#define LL_RTC_BKP_DR26                    (0x0000001FU)
158
#define LL_RTC_BKP_DR27                    (0x00000020U)
159
#define LL_RTC_BKP_DR28                    (0x00000021U)
160
#define LL_RTC_BKP_DR29                    (0x00000022U)
161
#define LL_RTC_BKP_DR30                    (0x00000023U)
162
#define LL_RTC_BKP_DR31                    (0x00000024U)
163
#define LL_RTC_BKP_DR32                    (0x00000025U)
164
#define LL_RTC_BKP_DR33                    (0x00000026U)
165
#define LL_RTC_BKP_DR34                    (0x00000027U)
166
#define LL_RTC_BKP_DR35                    (0x00000028U)
167
#define LL_RTC_BKP_DR36                    (0x00000029U)
168
#define LL_RTC_BKP_DR37                    (0x0000002AU)
169
#define LL_RTC_BKP_DR38                    (0x0000002BU)
170
#define LL_RTC_BKP_DR39                    (0x0000002CU)
171
#define LL_RTC_BKP_DR40                    (0x0000002DU)
172
#define LL_RTC_BKP_DR41                    (0x0000002EU)
173
#define LL_RTC_BKP_DR42                    (0x0000002FU)
174
#endif /* RTC_BKP_NUMBER > 10 */
175
 
176
/**
177
  * @}
178
  */
179
 
180
/** @defgroup RTC_LL_EC_TAMPLEVEL  Tamper Active Level
181
  * @{
182
  */
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
{
292
  register uint16_t Highprescaler = 0, Lowprescaler = 0;
293
  Highprescaler = READ_REG(RTCx->DIVH & RTC_DIVH_RTC_DIV);
294
  Lowprescaler  = READ_REG(RTCx->DIVL & RTC_DIVL_RTC_DIV);
295
 
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
{
342
  CLEAR_BIT(RTCx->CRL, RTC_CRL_CNF);
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
{
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));
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;
392
 
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
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
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
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
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
  */
641
__STATIC_INLINE void LL_RTC_CAL_SetCoarseDigital(BKP_TypeDef *BKPx, uint32_t Value)
642
{
643
  MODIFY_REG(BKPx->RTCCR, BKP_RTCCR_CAL, Value);
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
{
928
  SET_BIT(BKPx->CSR, BKP_CSR_TPIE);
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
{
939
  CLEAR_BIT(BKPx->CSR, BKP_CSR_TPIE);
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
{
950
  return (READ_BIT(BKPx->CSR, BKP_CSR_TPIE) == BKP_CSR_TPIE);
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****/