xref: /btstack/port/stm32-f4discovery-usb/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_rtc.h (revision a8f7f3fcbcd51f8d2e92aca076b6a9f812db358c)
1 /**
2   ******************************************************************************
3   * @file    stm32f4xx_hal_rtc.h
4   * @author  MCD Application Team
5   * @brief   Header file of RTC HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * <h2><center>&copy; Copyright (c) 2017 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 __STM32F4xx_HAL_RTC_H
22 #define __STM32F4xx_HAL_RTC_H
23 
24 #ifdef __cplusplus
25  extern "C" {
26 #endif
27 
28 /* Includes ------------------------------------------------------------------*/
29 #include "stm32f4xx_hal_def.h"
30 
31 /** @addtogroup STM32F4xx_HAL_Driver
32   * @{
33   */
34 
35 /** @addtogroup RTC
36   * @{
37   */
38 
39 /* Exported types ------------------------------------------------------------*/
40 /** @defgroup RTC_Exported_Types RTC Exported Types
41   * @{
42   */
43 
44 /**
45   * @brief  HAL State structures definition
46   */
47 typedef enum
48 {
49   HAL_RTC_STATE_RESET             = 0x00U,  /*!< RTC not yet initialized or disabled */
50   HAL_RTC_STATE_READY             = 0x01U,  /*!< RTC initialized and ready for use   */
51   HAL_RTC_STATE_BUSY              = 0x02U,  /*!< RTC process is ongoing              */
52   HAL_RTC_STATE_TIMEOUT           = 0x03U,  /*!< RTC timeout state                   */
53   HAL_RTC_STATE_ERROR             = 0x04U   /*!< RTC error state                     */
54 }HAL_RTCStateTypeDef;
55 
56 /**
57   * @brief  RTC Configuration Structure definition
58   */
59 typedef struct
60 {
61   uint32_t HourFormat;      /*!< Specifies the RTC Hour Format.
62                                  This parameter can be a value of @ref RTC_Hour_Formats */
63 
64   uint32_t AsynchPrediv;    /*!< Specifies the RTC Asynchronous Predivider value.
65                                  This parameter must be a number between Min_Data = 0x00 and Max_Data = 0x7F */
66 
67   uint32_t SynchPrediv;     /*!< Specifies the RTC Synchronous Predivider value.
68                                  This parameter must be a number between Min_Data = 0x00 and Max_Data = 0x7FFFU */
69 
70   uint32_t OutPut;          /*!< Specifies which signal will be routed to the RTC output.
71                                  This parameter can be a value of @ref RTC_Output_selection_Definitions */
72 
73   uint32_t OutPutPolarity;  /*!< Specifies the polarity of the output signal.
74                                  This parameter can be a value of @ref RTC_Output_Polarity_Definitions */
75 
76   uint32_t OutPutType;      /*!< Specifies the RTC Output Pin mode.
77                                  This parameter can be a value of @ref RTC_Output_Type_ALARM_OUT */
78 }RTC_InitTypeDef;
79 
80 /**
81   * @brief  RTC Time structure definition
82   */
83 typedef struct
84 {
85   uint8_t Hours;            /*!< Specifies the RTC Time Hour.
86                                  This parameter must be a number between Min_Data = 0 and Max_Data = 12 if the RTC_HourFormat_12 is selected.
87                                  This parameter must be a number between Min_Data = 0 and Max_Data = 23 if the RTC_HourFormat_24 is selected  */
88 
89   uint8_t Minutes;          /*!< Specifies the RTC Time Minutes.
90                                  This parameter must be a number between Min_Data = 0 and Max_Data = 59 */
91 
92   uint8_t Seconds;          /*!< Specifies the RTC Time Seconds.
93                                  This parameter must be a number between Min_Data = 0 and Max_Data = 59 */
94 
95   uint8_t TimeFormat;       /*!< Specifies the RTC AM/PM Time.
96                                  This parameter can be a value of @ref RTC_AM_PM_Definitions */
97 
98   uint32_t SubSeconds;     /*!< Specifies the RTC_SSR RTC Sub Second register content.
99                                  This parameter corresponds to a time unit range between [0-1] Second
100                                  with [1 Sec / SecondFraction +1] granularity */
101 
102   uint32_t SecondFraction;  /*!< Specifies the range or granularity of Sub Second register content
103                                  corresponding to Synchronous pre-scaler factor value (PREDIV_S)
104                                  This parameter corresponds to a time unit range between [0-1] Second
105                                  with [1 Sec / SecondFraction +1] granularity.
106                                  This field will be used only by HAL_RTC_GetTime function */
107 
108   uint32_t DayLightSaving;  /*!< Specifies DayLight Save Operation.
109                                  This parameter can be a value of @ref RTC_DayLightSaving_Definitions */
110 
111   uint32_t StoreOperation;  /*!< Specifies RTC_StoreOperation value to be written in the BCK bit
112                                  in CR register to store the operation.
113                                  This parameter can be a value of @ref RTC_StoreOperation_Definitions */
114 }RTC_TimeTypeDef;
115 
116 /**
117   * @brief  RTC Date structure definition
118   */
119 typedef struct
120 {
121   uint8_t WeekDay;  /*!< Specifies the RTC Date WeekDay.
122                          This parameter can be a value of @ref RTC_WeekDay_Definitions */
123 
124   uint8_t Month;    /*!< Specifies the RTC Date Month (in BCD format).
125                          This parameter can be a value of @ref RTC_Month_Date_Definitions */
126 
127   uint8_t Date;     /*!< Specifies the RTC Date.
128                          This parameter must be a number between Min_Data = 1 and Max_Data = 31 */
129 
130   uint8_t Year;     /*!< Specifies the RTC Date Year.
131                          This parameter must be a number between Min_Data = 0 and Max_Data = 99 */
132 
133 }RTC_DateTypeDef;
134 
135 /**
136   * @brief  RTC Alarm structure definition
137   */
138 typedef struct
139 {
140   RTC_TimeTypeDef AlarmTime;     /*!< Specifies the RTC Alarm Time members */
141 
142   uint32_t AlarmMask;            /*!< Specifies the RTC Alarm Masks.
143                                       This parameter can be a value of @ref RTC_AlarmMask_Definitions */
144 
145   uint32_t AlarmSubSecondMask;   /*!< Specifies the RTC Alarm SubSeconds Masks.
146                                       This parameter can be a value of @ref RTC_Alarm_Sub_Seconds_Masks_Definitions */
147 
148   uint32_t AlarmDateWeekDaySel;  /*!< Specifies the RTC Alarm is on Date or WeekDay.
149                                      This parameter can be a value of @ref RTC_AlarmDateWeekDay_Definitions */
150 
151   uint8_t AlarmDateWeekDay;      /*!< Specifies the RTC Alarm Date/WeekDay.
152                                       If the Alarm Date is selected, this parameter must be set to a value in the 1-31 range.
153                                       If the Alarm WeekDay is selected, this parameter can be a value of @ref RTC_WeekDay_Definitions */
154 
155   uint32_t Alarm;                /*!< Specifies the alarm .
156                                       This parameter can be a value of @ref RTC_Alarms_Definitions */
157 }RTC_AlarmTypeDef;
158 
159 /**
160   * @brief  RTC Handle Structure definition
161   */
162 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
163 typedef struct __RTC_HandleTypeDef
164 #else
165 typedef struct
166 #endif /* (USE_HAL_RTC_REGISTER_CALLBACKS) */
167 {
168   RTC_TypeDef                 *Instance;  /*!< Register base address    */
169 
170   RTC_InitTypeDef             Init;       /*!< RTC required parameters  */
171 
172   HAL_LockTypeDef             Lock;       /*!< RTC locking object       */
173 
174   __IO HAL_RTCStateTypeDef    State;      /*!< Time communication state */
175 
176 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
177   void  (* AlarmAEventCallback)      ( struct __RTC_HandleTypeDef * hrtc);  /*!< RTC Alarm A Event callback         */
178 
179   void  (* AlarmBEventCallback)      ( struct __RTC_HandleTypeDef * hrtc);  /*!< RTC Alarm B Event callback         */
180 
181   void  (* TimeStampEventCallback)   ( struct __RTC_HandleTypeDef * hrtc);  /*!< RTC TimeStamp Event callback       */
182 
183   void  (* WakeUpTimerEventCallback) ( struct __RTC_HandleTypeDef * hrtc);  /*!< RTC WakeUpTimer Event callback     */
184 
185   void  (* Tamper1EventCallback)     ( struct __RTC_HandleTypeDef * hrtc);  /*!< RTC Tamper 1 Event callback        */
186 
187   void  (* Tamper2EventCallback)     ( struct __RTC_HandleTypeDef * hrtc);  /*!< RTC Tamper 2 Event callback        */
188 
189   void  (* MspInitCallback)          ( struct __RTC_HandleTypeDef * hrtc);  /*!< RTC Msp Init callback              */
190 
191   void  (* MspDeInitCallback)        ( struct __RTC_HandleTypeDef * hrtc);  /*!< RTC Msp DeInit callback            */
192 
193 #endif /* (USE_HAL_RTC_REGISTER_CALLBACKS) */
194 
195 }RTC_HandleTypeDef;
196 
197 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
198 /**
199   * @brief  HAL RTC Callback ID enumeration definition
200   */
201 typedef enum
202 {
203   HAL_RTC_ALARM_A_EVENT_CB_ID           = 0x00u,    /*!< RTC Alarm A Event Callback ID       */
204   HAL_RTC_ALARM_B_EVENT_CB_ID           = 0x01u,    /*!< RTC Alarm B Event Callback ID       */
205   HAL_RTC_TIMESTAMP_EVENT_CB_ID         = 0x02u,    /*!< RTC TimeStamp Event Callback ID     */
206   HAL_RTC_WAKEUPTIMER_EVENT_CB_ID       = 0x03u,    /*!< RTC Wake-Up Timer Event Callback ID */
207   HAL_RTC_TAMPER1_EVENT_CB_ID           = 0x04u,    /*!< RTC Tamper 1 Callback ID            */
208   HAL_RTC_TAMPER2_EVENT_CB_ID           = 0x05u,    /*!< RTC Tamper 2 Callback ID            */
209   HAL_RTC_MSPINIT_CB_ID                 = 0x0Eu,    /*!< RTC Msp Init callback ID            */
210   HAL_RTC_MSPDEINIT_CB_ID               = 0x0Fu     /*!< RTC Msp DeInit callback ID          */
211 }HAL_RTC_CallbackIDTypeDef;
212 
213 /**
214   * @brief  HAL RTC Callback pointer definition
215   */
216 typedef  void (*pRTC_CallbackTypeDef)(RTC_HandleTypeDef * hrtc); /*!< pointer to an RTC callback function */
217 #endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
218 
219 /**
220   * @}
221   */
222 
223 /* Exported constants --------------------------------------------------------*/
224 /** @defgroup RTC_Exported_Constants RTC Exported Constants
225   * @{
226   */
227 
228 /** @defgroup RTC_Hour_Formats RTC Hour Formats
229   * @{
230   */
231 #define RTC_HOURFORMAT_24              0x00000000U
232 #define RTC_HOURFORMAT_12              0x00000040U
233 /**
234   * @}
235   */
236 
237 /** @defgroup RTC_Output_selection_Definitions RTC Output Selection Definitions
238   * @{
239   */
240 #define RTC_OUTPUT_DISABLE             0x00000000U
241 #define RTC_OUTPUT_ALARMA              0x00200000U
242 #define RTC_OUTPUT_ALARMB              0x00400000U
243 #define RTC_OUTPUT_WAKEUP              0x00600000U
244 /**
245   * @}
246   */
247 
248 /** @defgroup RTC_Output_Polarity_Definitions RTC Output Polarity Definitions
249   * @{
250   */
251 #define RTC_OUTPUT_POLARITY_HIGH       0x00000000U
252 #define RTC_OUTPUT_POLARITY_LOW        0x00100000U
253 /**
254   * @}
255   */
256 
257 /** @defgroup RTC_Output_Type_ALARM_OUT RTC Output Type ALARM OUT
258   * @{
259   */
260 #define RTC_OUTPUT_TYPE_OPENDRAIN      0x00000000U
261 #define RTC_OUTPUT_TYPE_PUSHPULL       0x00040000U
262 /**
263   * @}
264   */
265 
266 /** @defgroup RTC_AM_PM_Definitions RTC AM PM Definitions
267   * @{
268   */
269 #define RTC_HOURFORMAT12_AM            ((uint8_t)0x00)
270 #define RTC_HOURFORMAT12_PM            ((uint8_t)0x40)
271 /**
272   * @}
273   */
274 
275 /** @defgroup RTC_DayLightSaving_Definitions RTC DayLight Saving Definitions
276   * @{
277   */
278 #define RTC_DAYLIGHTSAVING_SUB1H       0x00020000U
279 #define RTC_DAYLIGHTSAVING_ADD1H       0x00010000U
280 #define RTC_DAYLIGHTSAVING_NONE        0x00000000U
281 /**
282   * @}
283   */
284 
285 /** @defgroup RTC_StoreOperation_Definitions RTC Store Operation Definitions
286   * @{
287   */
288 #define RTC_STOREOPERATION_RESET        0x00000000U
289 #define RTC_STOREOPERATION_SET          0x00040000U
290 /**
291   * @}
292   */
293 
294 /** @defgroup RTC_Input_parameter_format_definitions RTC Input Parameter Format Definitions
295   * @{
296   */
297 #define RTC_FORMAT_BIN                      0x00000000U
298 #define RTC_FORMAT_BCD                      0x00000001U
299 /**
300   * @}
301   */
302 
303 /** @defgroup RTC_Month_Date_Definitions RTC Month Date Definitions
304   * @{
305   */
306 /* Coded in BCD format */
307 #define RTC_MONTH_JANUARY              ((uint8_t)0x01)
308 #define RTC_MONTH_FEBRUARY             ((uint8_t)0x02)
309 #define RTC_MONTH_MARCH                ((uint8_t)0x03)
310 #define RTC_MONTH_APRIL                ((uint8_t)0x04)
311 #define RTC_MONTH_MAY                  ((uint8_t)0x05)
312 #define RTC_MONTH_JUNE                 ((uint8_t)0x06)
313 #define RTC_MONTH_JULY                 ((uint8_t)0x07)
314 #define RTC_MONTH_AUGUST               ((uint8_t)0x08)
315 #define RTC_MONTH_SEPTEMBER            ((uint8_t)0x09)
316 #define RTC_MONTH_OCTOBER              ((uint8_t)0x10)
317 #define RTC_MONTH_NOVEMBER             ((uint8_t)0x11)
318 #define RTC_MONTH_DECEMBER             ((uint8_t)0x12)
319 /**
320   * @}
321   */
322 
323 /** @defgroup RTC_WeekDay_Definitions RTC WeekDay Definitions
324   * @{
325   */
326 #define RTC_WEEKDAY_MONDAY             ((uint8_t)0x01)
327 #define RTC_WEEKDAY_TUESDAY            ((uint8_t)0x02)
328 #define RTC_WEEKDAY_WEDNESDAY          ((uint8_t)0x03)
329 #define RTC_WEEKDAY_THURSDAY           ((uint8_t)0x04)
330 #define RTC_WEEKDAY_FRIDAY             ((uint8_t)0x05)
331 #define RTC_WEEKDAY_SATURDAY           ((uint8_t)0x06)
332 #define RTC_WEEKDAY_SUNDAY             ((uint8_t)0x07)
333 /**
334   * @}
335   */
336 
337 /** @defgroup RTC_AlarmDateWeekDay_Definitions RTC Alarm Date WeekDay Definitions
338   * @{
339   */
340 #define RTC_ALARMDATEWEEKDAYSEL_DATE      0x00000000U
341 #define RTC_ALARMDATEWEEKDAYSEL_WEEKDAY   0x40000000U
342 /**
343   * @}
344   */
345 
346 /** @defgroup RTC_AlarmMask_Definitions RTC Alarm Mask Definitions
347   * @{
348   */
349 #define RTC_ALARMMASK_NONE                0x00000000U
350 #define RTC_ALARMMASK_DATEWEEKDAY         RTC_ALRMAR_MSK4
351 #define RTC_ALARMMASK_HOURS               RTC_ALRMAR_MSK3
352 #define RTC_ALARMMASK_MINUTES             RTC_ALRMAR_MSK2
353 #define RTC_ALARMMASK_SECONDS             RTC_ALRMAR_MSK1
354 #define RTC_ALARMMASK_ALL                 0x80808080U
355 /**
356   * @}
357   */
358 
359 /** @defgroup RTC_Alarms_Definitions RTC Alarms Definitions
360   * @{
361   */
362 #define RTC_ALARM_A                       RTC_CR_ALRAE
363 #define RTC_ALARM_B                       RTC_CR_ALRBE
364 /**
365   * @}
366   */
367 
368 /** @defgroup RTC_Alarm_Sub_Seconds_Masks_Definitions RTC Alarm Sub Seconds Masks Definitions
369   * @{
370   */
371 #define RTC_ALARMSUBSECONDMASK_ALL         0x00000000U  /*!< All Alarm SS fields are masked.
372                                                                         There is no comparison on sub seconds
373                                                                         for Alarm */
374 #define RTC_ALARMSUBSECONDMASK_SS14_1      0x01000000U  /*!< SS[14:1] are don't care in Alarm
375                                                                         comparison. Only SS[0] is compared.    */
376 #define RTC_ALARMSUBSECONDMASK_SS14_2      0x02000000U  /*!< SS[14:2] are don't care in Alarm
377                                                                         comparison. Only SS[1:0] are compared  */
378 #define RTC_ALARMSUBSECONDMASK_SS14_3      0x03000000U  /*!< SS[14:3] are don't care in Alarm
379                                                                         comparison. Only SS[2:0] are compared  */
380 #define RTC_ALARMSUBSECONDMASK_SS14_4      0x04000000U  /*!< SS[14:4] are don't care in Alarm
381                                                                         comparison. Only SS[3:0] are compared  */
382 #define RTC_ALARMSUBSECONDMASK_SS14_5      0x05000000U  /*!< SS[14:5] are don't care in Alarm
383                                                                         comparison. Only SS[4:0] are compared  */
384 #define RTC_ALARMSUBSECONDMASK_SS14_6      0x06000000U  /*!< SS[14:6] are don't care in Alarm
385                                                                         comparison. Only SS[5:0] are compared  */
386 #define RTC_ALARMSUBSECONDMASK_SS14_7      0x07000000U  /*!< SS[14:7] are don't care in Alarm
387                                                                         comparison. Only SS[6:0] are compared  */
388 #define RTC_ALARMSUBSECONDMASK_SS14_8      0x08000000U  /*!< SS[14:8] are don't care in Alarm
389                                                                         comparison. Only SS[7:0] are compared  */
390 #define RTC_ALARMSUBSECONDMASK_SS14_9      0x09000000U  /*!< SS[14:9] are don't care in Alarm
391                                                                         comparison. Only SS[8:0] are compared  */
392 #define RTC_ALARMSUBSECONDMASK_SS14_10     0x0A000000U  /*!< SS[14:10] are don't care in Alarm
393                                                                         comparison. Only SS[9:0] are compared  */
394 #define RTC_ALARMSUBSECONDMASK_SS14_11     0x0B000000U  /*!< SS[14:11] are don't care in Alarm
395                                                                         comparison. Only SS[10:0] are compared */
396 #define RTC_ALARMSUBSECONDMASK_SS14_12     0x0C000000U  /*!< SS[14:12] are don't care in Alarm
397                                                                         comparison.Only SS[11:0] are compared  */
398 #define RTC_ALARMSUBSECONDMASK_SS14_13     0x0D000000U  /*!< SS[14:13] are don't care in Alarm
399                                                                         comparison. Only SS[12:0] are compared */
400 #define RTC_ALARMSUBSECONDMASK_SS14        0x0E000000U  /*!< SS[14] is don't care in Alarm
401                                                                         comparison.Only SS[13:0] are compared  */
402 #define RTC_ALARMSUBSECONDMASK_NONE        0x0F000000U  /*!< SS[14:0] are compared and must match
403                                                                         to activate alarm. */
404 /**
405   * @}
406   */
407 
408 /** @defgroup RTC_Interrupts_Definitions RTC Interrupts Definitions
409   * @{
410   */
411 #define RTC_IT_TS                         0x00008000U
412 #define RTC_IT_WUT                        0x00004000U
413 #define RTC_IT_ALRB                       0x00002000U
414 #define RTC_IT_ALRA                       0x00001000U
415 #define RTC_IT_TAMP                       0x00000004U /* Used only to Enable the Tamper Interrupt */
416 #define RTC_IT_TAMP1                      0x00020000U
417 #define RTC_IT_TAMP2                      0x00040000U
418 /**
419   * @}
420   */
421 
422 /** @defgroup RTC_Flags_Definitions RTC Flags Definitions
423   * @{
424   */
425 #define RTC_FLAG_RECALPF                  0x00010000U
426 #define RTC_FLAG_TAMP2F                   0x00004000U
427 #define RTC_FLAG_TAMP1F                   0x00002000U
428 #define RTC_FLAG_TSOVF                    0x00001000U
429 #define RTC_FLAG_TSF                      0x00000800U
430 #define RTC_FLAG_WUTF                     0x00000400U
431 #define RTC_FLAG_ALRBF                    0x00000200U
432 #define RTC_FLAG_ALRAF                    0x00000100U
433 #define RTC_FLAG_INITF                    0x00000040U
434 #define RTC_FLAG_RSF                      0x00000020U
435 #define RTC_FLAG_INITS                    0x00000010U
436 #define RTC_FLAG_SHPF                     0x00000008U
437 #define RTC_FLAG_WUTWF                    0x00000004U
438 #define RTC_FLAG_ALRBWF                   0x00000002U
439 #define RTC_FLAG_ALRAWF                   0x00000001U
440 /**
441   * @}
442   */
443 
444 /**
445   * @}
446   */
447 
448 /* Exported macro ------------------------------------------------------------*/
449 /** @defgroup RTC_Exported_Macros RTC Exported Macros
450   * @{
451   */
452 
453 /** @brief Reset RTC handle state
454   * @param  __HANDLE__ specifies the RTC handle.
455   * @retval None
456   */
457 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
458 #define __HAL_RTC_RESET_HANDLE_STATE(__HANDLE__) do{\
459                                                       (__HANDLE__)->State = HAL_RTC_STATE_RESET;\
460                                                       (__HANDLE__)->MspInitCallback = NULL;\
461                                                       (__HANDLE__)->MspDeInitCallback = NULL;\
462                                                      }while(0u)
463 #else
464 #define __HAL_RTC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_RTC_STATE_RESET)
465 #endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
466 
467 /**
468   * @brief  Disable the write protection for RTC registers.
469   * @param  __HANDLE__ specifies the RTC handle.
470   * @retval None
471   */
472 #define __HAL_RTC_WRITEPROTECTION_DISABLE(__HANDLE__)             \
473                         do{                                       \
474                             (__HANDLE__)->Instance->WPR = 0xCAU;  \
475                             (__HANDLE__)->Instance->WPR = 0x53U;  \
476                           } while(0U)
477 
478 /**
479   * @brief  Enable the write protection for RTC registers.
480   * @param  __HANDLE__ specifies the RTC handle.
481   * @retval None
482   */
483 #define __HAL_RTC_WRITEPROTECTION_ENABLE(__HANDLE__)              \
484                         do{                                       \
485                             (__HANDLE__)->Instance->WPR = 0xFFU;  \
486                           } while(0U)
487 
488 /**
489   * @brief  Enable the RTC ALARMA peripheral.
490   * @param  __HANDLE__ specifies the RTC handle.
491   * @retval None
492   */
493 #define __HAL_RTC_ALARMA_ENABLE(__HANDLE__)                           ((__HANDLE__)->Instance->CR |= (RTC_CR_ALRAE))
494 
495 /**
496   * @brief  Disable the RTC ALARMA peripheral.
497   * @param  __HANDLE__ specifies the RTC handle.
498   * @retval None
499   */
500 #define __HAL_RTC_ALARMA_DISABLE(__HANDLE__)                          ((__HANDLE__)->Instance->CR &= ~(RTC_CR_ALRAE))
501 
502 /**
503   * @brief  Enable the RTC ALARMB peripheral.
504   * @param  __HANDLE__ specifies the RTC handle.
505   * @retval None
506   */
507 #define __HAL_RTC_ALARMB_ENABLE(__HANDLE__)                           ((__HANDLE__)->Instance->CR |= (RTC_CR_ALRBE))
508 
509 /**
510   * @brief  Disable the RTC ALARMB peripheral.
511   * @param  __HANDLE__ specifies the RTC handle.
512   * @retval None
513   */
514 #define __HAL_RTC_ALARMB_DISABLE(__HANDLE__)                          ((__HANDLE__)->Instance->CR &= ~(RTC_CR_ALRBE))
515 
516 /**
517   * @brief  Enable the RTC Alarm interrupt.
518   * @param  __HANDLE__ specifies the RTC handle.
519   * @param  __INTERRUPT__ specifies the RTC Alarm interrupt sources to be enabled or disabled.
520   *          This parameter can be any combination of the following values:
521   *             @arg RTC_IT_ALRA: Alarm A interrupt
522   *             @arg RTC_IT_ALRB: Alarm B interrupt
523   * @retval None
524   */
525 #define __HAL_RTC_ALARM_ENABLE_IT(__HANDLE__, __INTERRUPT__)          ((__HANDLE__)->Instance->CR |= (__INTERRUPT__))
526 
527 /**
528   * @brief  Disable the RTC Alarm interrupt.
529   * @param  __HANDLE__ specifies the RTC handle.
530   * @param  __INTERRUPT__ specifies the RTC Alarm interrupt sources to be enabled or disabled.
531   *         This parameter can be any combination of the following values:
532   *            @arg RTC_IT_ALRA: Alarm A interrupt
533   *            @arg RTC_IT_ALRB: Alarm B interrupt
534   * @retval None
535   */
536 #define __HAL_RTC_ALARM_DISABLE_IT(__HANDLE__, __INTERRUPT__)         ((__HANDLE__)->Instance->CR &= ~(__INTERRUPT__))
537 
538 /**
539   * @brief  Check whether the specified RTC Alarm interrupt has occurred or not.
540   * @param  __HANDLE__ specifies the RTC handle.
541   * @param  __INTERRUPT__ specifies the RTC Alarm interrupt to check.
542   *         This parameter can be:
543   *            @arg RTC_IT_ALRA: Alarm A interrupt
544   *            @arg RTC_IT_ALRB: Alarm B interrupt
545   * @retval None
546   */
547 #define __HAL_RTC_ALARM_GET_IT(__HANDLE__, __INTERRUPT__)           (((((__HANDLE__)->Instance->ISR)& ((__INTERRUPT__)>> 4U)) != RESET)? SET : RESET)
548 
549 /**
550   * @brief  Get the selected RTC Alarm's flag status.
551   * @param  __HANDLE__ specifies the RTC handle.
552   * @param  __FLAG__ specifies the RTC Alarm Flag to check.
553   *         This parameter can be:
554   *            @arg RTC_FLAG_ALRAF
555   *            @arg RTC_FLAG_ALRBF
556   *            @arg RTC_FLAG_ALRAWF
557   *            @arg RTC_FLAG_ALRBWF
558   * @retval None
559   */
560 #define __HAL_RTC_ALARM_GET_FLAG(__HANDLE__, __FLAG__)                (((((__HANDLE__)->Instance->ISR) & (__FLAG__)) != RESET)? SET : RESET)
561 
562 /**
563   * @brief  Clear the RTC Alarm's pending flags.
564   * @param  __HANDLE__ specifies the RTC handle.
565   * @param  __FLAG__ specifies the RTC Alarm Flag sources to be enabled or disabled.
566   *          This parameter can be:
567   *             @arg RTC_FLAG_ALRAF
568   *             @arg RTC_FLAG_ALRBF
569   * @retval None
570   */
571 #define __HAL_RTC_ALARM_CLEAR_FLAG(__HANDLE__, __FLAG__)                  ((__HANDLE__)->Instance->ISR) = (~((__FLAG__) | RTC_ISR_INIT)|((__HANDLE__)->Instance->ISR & RTC_ISR_INIT))
572 
573 
574 /**
575   * @brief  Check whether the specified RTC Alarm interrupt has been enabled or not.
576   * @param  __HANDLE__ specifies the RTC handle.
577   * @param  __INTERRUPT__ specifies the RTC Alarm interrupt sources to check.
578   *         This parameter can be:
579   *            @arg RTC_IT_ALRA: Alarm A interrupt
580   *            @arg RTC_IT_ALRB: Alarm B interrupt
581   * @retval None
582   */
583 #define __HAL_RTC_ALARM_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__)     (((((__HANDLE__)->Instance->CR) & (__INTERRUPT__)) != RESET) ? SET : RESET)
584 
585 /**
586   * @brief  Enable interrupt on the RTC Alarm associated Exti line.
587   * @retval None
588   */
589 #define __HAL_RTC_ALARM_EXTI_ENABLE_IT()            (EXTI->IMR |= RTC_EXTI_LINE_ALARM_EVENT)
590 
591 /**
592   * @brief  Disable interrupt on the RTC Alarm associated Exti line.
593   * @retval None
594   */
595 #define __HAL_RTC_ALARM_EXTI_DISABLE_IT()           (EXTI->IMR &= ~(RTC_EXTI_LINE_ALARM_EVENT))
596 
597 /**
598   * @brief  Enable event on the RTC Alarm associated Exti line.
599   * @retval None.
600   */
601 #define __HAL_RTC_ALARM_EXTI_ENABLE_EVENT()         (EXTI->EMR |= RTC_EXTI_LINE_ALARM_EVENT)
602 
603 /**
604   * @brief  Disable event on the RTC Alarm associated Exti line.
605   * @retval None.
606   */
607 #define __HAL_RTC_ALARM_EXTI_DISABLE_EVENT()         (EXTI->EMR &= ~(RTC_EXTI_LINE_ALARM_EVENT))
608 
609 /**
610   * @brief  Enable falling edge trigger on the RTC Alarm associated Exti line.
611   * @retval None.
612   */
613 #define __HAL_RTC_ALARM_EXTI_ENABLE_FALLING_EDGE()   (EXTI->FTSR |= RTC_EXTI_LINE_ALARM_EVENT)
614 
615 /**
616   * @brief  Disable falling edge trigger on the RTC Alarm associated Exti line.
617   * @retval None.
618   */
619 #define __HAL_RTC_ALARM_EXTI_DISABLE_FALLING_EDGE()  (EXTI->FTSR &= ~(RTC_EXTI_LINE_ALARM_EVENT))
620 
621 /**
622   * @brief  Enable rising edge trigger on the RTC Alarm associated Exti line.
623   * @retval None.
624   */
625 #define __HAL_RTC_ALARM_EXTI_ENABLE_RISING_EDGE()    (EXTI->RTSR |= RTC_EXTI_LINE_ALARM_EVENT)
626 
627 /**
628   * @brief  Disable rising edge trigger on the RTC Alarm associated Exti line.
629   * @retval None.
630   */
631 #define __HAL_RTC_ALARM_EXTI_DISABLE_RISING_EDGE()   (EXTI->RTSR &= ~(RTC_EXTI_LINE_ALARM_EVENT))
632 
633 /**
634   * @brief  Enable rising & falling edge trigger on the RTC Alarm associated Exti line.
635   * @retval None.
636   */
637 #define __HAL_RTC_ALARM_EXTI_ENABLE_RISING_FALLING_EDGE() do { __HAL_RTC_ALARM_EXTI_ENABLE_RISING_EDGE(); \
638                                                                __HAL_RTC_ALARM_EXTI_ENABLE_FALLING_EDGE();\
639                                                              } while(0U)
640 
641 /**
642   * @brief  Disable rising & falling edge trigger on the RTC Alarm associated Exti line.
643   * @retval None.
644   */
645 #define __HAL_RTC_ALARM_EXTI_DISABLE_RISING_FALLING_EDGE() do { __HAL_RTC_ALARM_EXTI_DISABLE_RISING_EDGE();\
646                                                                 __HAL_RTC_ALARM_EXTI_DISABLE_FALLING_EDGE();\
647                                                               } while(0U)
648 
649 /**
650   * @brief Check whether the RTC Alarm associated Exti line interrupt flag is set or not.
651   * @retval Line Status.
652   */
653 #define __HAL_RTC_ALARM_EXTI_GET_FLAG()              (EXTI->PR & RTC_EXTI_LINE_ALARM_EVENT)
654 
655 /**
656   * @brief Clear the RTC Alarm associated Exti line flag.
657   * @retval None.
658   */
659 #define __HAL_RTC_ALARM_EXTI_CLEAR_FLAG()            (EXTI->PR = RTC_EXTI_LINE_ALARM_EVENT)
660 
661 /**
662   * @brief Generate a Software interrupt on RTC Alarm associated Exti line.
663   * @retval None.
664   */
665 #define __HAL_RTC_ALARM_EXTI_GENERATE_SWIT()         (EXTI->SWIER |= RTC_EXTI_LINE_ALARM_EVENT)
666 /**
667   * @}
668   */
669 
670 /* Include RTC HAL Extension module */
671 #include "stm32f4xx_hal_rtc_ex.h"
672 
673 /* Exported functions --------------------------------------------------------*/
674 /** @addtogroup RTC_Exported_Functions
675   * @{
676   */
677 
678 /** @addtogroup RTC_Exported_Functions_Group1
679   * @{
680   */
681 /* Initialization and de-initialization functions  ****************************/
682 HAL_StatusTypeDef HAL_RTC_Init(RTC_HandleTypeDef *hrtc);
683 HAL_StatusTypeDef HAL_RTC_DeInit(RTC_HandleTypeDef *hrtc);
684 void       HAL_RTC_MspInit(RTC_HandleTypeDef *hrtc);
685 void       HAL_RTC_MspDeInit(RTC_HandleTypeDef *hrtc);
686 
687 /* Callbacks Register/UnRegister functions  ***********************************/
688 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
689 HAL_StatusTypeDef HAL_RTC_RegisterCallback(RTC_HandleTypeDef *hrtc, HAL_RTC_CallbackIDTypeDef CallbackID, pRTC_CallbackTypeDef pCallback);
690 HAL_StatusTypeDef HAL_RTC_UnRegisterCallback(RTC_HandleTypeDef *hrtc, HAL_RTC_CallbackIDTypeDef CallbackID);
691 #endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
692 /**
693   * @}
694   */
695 
696 /** @addtogroup RTC_Exported_Functions_Group2
697   * @{
698   */
699 /* RTC Time and Date functions ************************************************/
700 HAL_StatusTypeDef HAL_RTC_SetTime(RTC_HandleTypeDef *hrtc, RTC_TimeTypeDef *sTime, uint32_t Format);
701 HAL_StatusTypeDef HAL_RTC_GetTime(RTC_HandleTypeDef *hrtc, RTC_TimeTypeDef *sTime, uint32_t Format);
702 HAL_StatusTypeDef HAL_RTC_SetDate(RTC_HandleTypeDef *hrtc, RTC_DateTypeDef *sDate, uint32_t Format);
703 HAL_StatusTypeDef HAL_RTC_GetDate(RTC_HandleTypeDef *hrtc, RTC_DateTypeDef *sDate, uint32_t Format);
704 /**
705   * @}
706   */
707 
708 /** @addtogroup RTC_Exported_Functions_Group3
709   * @{
710   */
711 /* RTC Alarm functions ********************************************************/
712 HAL_StatusTypeDef HAL_RTC_SetAlarm(RTC_HandleTypeDef *hrtc, RTC_AlarmTypeDef *sAlarm, uint32_t Format);
713 HAL_StatusTypeDef HAL_RTC_SetAlarm_IT(RTC_HandleTypeDef *hrtc, RTC_AlarmTypeDef *sAlarm, uint32_t Format);
714 HAL_StatusTypeDef HAL_RTC_DeactivateAlarm(RTC_HandleTypeDef *hrtc, uint32_t Alarm);
715 HAL_StatusTypeDef HAL_RTC_GetAlarm(RTC_HandleTypeDef *hrtc, RTC_AlarmTypeDef *sAlarm, uint32_t Alarm, uint32_t Format);
716 void                HAL_RTC_AlarmIRQHandler(RTC_HandleTypeDef *hrtc);
717 HAL_StatusTypeDef   HAL_RTC_PollForAlarmAEvent(RTC_HandleTypeDef *hrtc, uint32_t Timeout);
718 void         HAL_RTC_AlarmAEventCallback(RTC_HandleTypeDef *hrtc);
719 /**
720   * @}
721   */
722 
723 /** @addtogroup RTC_Exported_Functions_Group4
724   * @{
725   */
726 /* Peripheral Control functions ***********************************************/
727 HAL_StatusTypeDef   HAL_RTC_WaitForSynchro(RTC_HandleTypeDef* hrtc);
728 /**
729   * @}
730   */
731 
732 /** @addtogroup RTC_Exported_Functions_Group5
733   * @{
734   */
735 /* Peripheral State functions *************************************************/
736 HAL_RTCStateTypeDef HAL_RTC_GetState(RTC_HandleTypeDef *hrtc);
737 /**
738   * @}
739   */
740 
741 /**
742   * @}
743   */
744 
745 /* Private types -------------------------------------------------------------*/
746 /* Private variables ---------------------------------------------------------*/
747 /* Private constants ---------------------------------------------------------*/
748 /** @defgroup RTC_Private_Constants RTC Private Constants
749   * @{
750   */
751 /* Masks Definition */
752 #define RTC_TR_RESERVED_MASK    0x007F7F7FU
753 #define RTC_DR_RESERVED_MASK    0x00FFFF3FU
754 #define RTC_INIT_MASK           0xFFFFFFFFU
755 #define RTC_RSF_MASK            0xFFFFFF5FU
756 #define RTC_FLAGS_MASK          ((uint32_t)(RTC_FLAG_TSOVF | RTC_FLAG_TSF | RTC_FLAG_WUTF | \
757                                             RTC_FLAG_ALRBF | RTC_FLAG_ALRAF | RTC_FLAG_INITF | \
758                                             RTC_FLAG_RSF | RTC_FLAG_INITS | RTC_FLAG_WUTWF | \
759                                             RTC_FLAG_ALRBWF | RTC_FLAG_ALRAWF | RTC_FLAG_TAMP1F | \
760                                             RTC_FLAG_RECALPF | RTC_FLAG_SHPF))
761 
762 #define RTC_TIMEOUT_VALUE       1000
763 
764 #define RTC_EXTI_LINE_ALARM_EVENT             ((uint32_t)EXTI_IMR_MR17)  /*!< External interrupt line 17 Connected to the RTC Alarm event */
765 /**
766   * @}
767   */
768 
769 /* Private macros ------------------------------------------------------------*/
770 /** @defgroup RTC_Private_Macros RTC Private Macros
771   * @{
772   */
773 
774 /** @defgroup RTC_IS_RTC_Definitions RTC Private macros to check input parameters
775   * @{
776   */
777 #define IS_RTC_HOUR_FORMAT(FORMAT)     (((FORMAT) == RTC_HOURFORMAT_12) || \
778                                         ((FORMAT) == RTC_HOURFORMAT_24))
779 #define IS_RTC_OUTPUT(OUTPUT) (((OUTPUT) == RTC_OUTPUT_DISABLE) || \
780                                ((OUTPUT) == RTC_OUTPUT_ALARMA)  || \
781                                ((OUTPUT) == RTC_OUTPUT_ALARMB)  || \
782                                ((OUTPUT) == RTC_OUTPUT_WAKEUP))
783 #define IS_RTC_OUTPUT_POL(POL) (((POL) == RTC_OUTPUT_POLARITY_HIGH) || \
784                                 ((POL) == RTC_OUTPUT_POLARITY_LOW))
785 #define IS_RTC_OUTPUT_TYPE(TYPE) (((TYPE) == RTC_OUTPUT_TYPE_OPENDRAIN) || \
786                                   ((TYPE) == RTC_OUTPUT_TYPE_PUSHPULL))
787 #define IS_RTC_HOUR12(HOUR)            (((HOUR) > 0U) && ((HOUR) <= 12U))
788 #define IS_RTC_HOUR24(HOUR)            ((HOUR) <= 23U)
789 #define IS_RTC_ASYNCH_PREDIV(PREDIV)   ((PREDIV) <= 0x7FU)
790 #define IS_RTC_SYNCH_PREDIV(PREDIV)    ((PREDIV) <= 0x7FFFU)
791 #define IS_RTC_MINUTES(MINUTES)        ((MINUTES) <= 59U)
792 #define IS_RTC_SECONDS(SECONDS)        ((SECONDS) <= 59U)
793 
794 #define IS_RTC_HOURFORMAT12(PM)  (((PM) == RTC_HOURFORMAT12_AM) || ((PM) == RTC_HOURFORMAT12_PM))
795 #define IS_RTC_DAYLIGHT_SAVING(SAVE) (((SAVE) == RTC_DAYLIGHTSAVING_SUB1H) || \
796                                       ((SAVE) == RTC_DAYLIGHTSAVING_ADD1H) || \
797                                       ((SAVE) == RTC_DAYLIGHTSAVING_NONE))
798 #define IS_RTC_STORE_OPERATION(OPERATION) (((OPERATION) == RTC_STOREOPERATION_RESET) || \
799                                            ((OPERATION) == RTC_STOREOPERATION_SET))
800 #define IS_RTC_FORMAT(FORMAT) (((FORMAT) == RTC_FORMAT_BIN) || ((FORMAT) == RTC_FORMAT_BCD))
801 #define IS_RTC_YEAR(YEAR)              ((YEAR) <= 99U)
802 #define IS_RTC_MONTH(MONTH)            (((MONTH) >= 1U) && ((MONTH) <= 12U))
803 #define IS_RTC_DATE(DATE)              (((DATE) >= 1U) && ((DATE) <= 31U))
804 #define IS_RTC_WEEKDAY(WEEKDAY) (((WEEKDAY) == RTC_WEEKDAY_MONDAY)    || \
805                                  ((WEEKDAY) == RTC_WEEKDAY_TUESDAY)   || \
806                                  ((WEEKDAY) == RTC_WEEKDAY_WEDNESDAY) || \
807                                  ((WEEKDAY) == RTC_WEEKDAY_THURSDAY)  || \
808                                  ((WEEKDAY) == RTC_WEEKDAY_FRIDAY)    || \
809                                  ((WEEKDAY) == RTC_WEEKDAY_SATURDAY)  || \
810                                  ((WEEKDAY) == RTC_WEEKDAY_SUNDAY))
811 #define IS_RTC_ALARM_DATE_WEEKDAY_DATE(DATE) (((DATE) > 0U) && ((DATE) <= 31U))
812 #define IS_RTC_ALARM_DATE_WEEKDAY_WEEKDAY(WEEKDAY) (((WEEKDAY) == RTC_WEEKDAY_MONDAY)    || \
813                                                     ((WEEKDAY) == RTC_WEEKDAY_TUESDAY)   || \
814                                                     ((WEEKDAY) == RTC_WEEKDAY_WEDNESDAY) || \
815                                                     ((WEEKDAY) == RTC_WEEKDAY_THURSDAY)  || \
816                                                     ((WEEKDAY) == RTC_WEEKDAY_FRIDAY)    || \
817                                                     ((WEEKDAY) == RTC_WEEKDAY_SATURDAY)  || \
818                                                     ((WEEKDAY) == RTC_WEEKDAY_SUNDAY))
819 #define IS_RTC_ALARM_DATE_WEEKDAY_SEL(SEL) (((SEL) == RTC_ALARMDATEWEEKDAYSEL_DATE) || \
820                                             ((SEL) == RTC_ALARMDATEWEEKDAYSEL_WEEKDAY))
821 #define IS_RTC_ALARM_MASK(MASK)  (((MASK) & 0x7F7F7F7FU) == (uint32_t)RESET)
822 #define IS_RTC_ALARM(ALARM)      (((ALARM) == RTC_ALARM_A) || ((ALARM) == RTC_ALARM_B))
823 #define IS_RTC_ALARM_SUB_SECOND_VALUE(VALUE) ((VALUE) <= 0x00007FFFU)
824 
825 #define IS_RTC_ALARM_SUB_SECOND_MASK(MASK)   (((MASK) == RTC_ALARMSUBSECONDMASK_ALL) || \
826                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_1) || \
827                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_2) || \
828                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_3) || \
829                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_4) || \
830                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_5) || \
831                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_6) || \
832                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_7) || \
833                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_8) || \
834                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_9) || \
835                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_10) || \
836                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_11) || \
837                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_12) || \
838                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_13) || \
839                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14) || \
840                                               ((MASK) == RTC_ALARMSUBSECONDMASK_NONE))
841 /**
842   * @}
843   */
844 
845 /**
846   * @}
847   */
848 
849 /* Private functions ---------------------------------------------------------*/
850 /** @defgroup RTC_Private_Functions RTC Private Functions
851   * @{
852   */
853 HAL_StatusTypeDef  RTC_EnterInitMode(RTC_HandleTypeDef* hrtc);
854 uint8_t            RTC_ByteToBcd2(uint8_t Value);
855 uint8_t            RTC_Bcd2ToByte(uint8_t Value);
856 /**
857   * @}
858   */
859 
860 /**
861   * @}
862   */
863 
864 /**
865   * @}
866   */
867 
868 #ifdef __cplusplus
869 }
870 #endif
871 
872 #endif /* __STM32F4xx_HAL_RTC_H */
873 
874 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
875