1 /**
2   ******************************************************************************
3   * @file    stm32c0xx_hal_rtc.h
4   * @author  MCD Application Team
5   * @brief   Header file of RTC HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2022 STMicroelectronics.
10   * All rights reserved.
11   *
12   * This software is licensed under terms that can be found in the LICENSE file
13   * in the root directory of this software component.
14   * If no LICENSE file comes with this software, it is provided AS-IS.
15   *
16   ******************************************************************************
17   */
18 
19 /* Define to prevent recursive inclusion -------------------------------------*/
20 #ifndef STM32C0xx_HAL_RTC_H
21 #define STM32C0xx_HAL_RTC_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32c0xx_hal_def.h"
29 
30 /** @addtogroup STM32C0xx_HAL_Driver
31   * @{
32   */
33 
34 /** @defgroup RTC RTC
35   * @{
36   */
37 
38 /* Exported types ------------------------------------------------------------*/
39 /** @defgroup RTC_Exported_Types RTC Exported Types
40   * @{
41   */
42 
43 /**
44   * @brief  HAL State structures definition
45   */
46 typedef enum
47 {
48   HAL_RTC_STATE_RESET             = 0x00U,  /*!< RTC not yet initialized or disabled */
49   HAL_RTC_STATE_READY             = 0x01U,  /*!< RTC initialized and ready for use   */
50   HAL_RTC_STATE_BUSY              = 0x02U,  /*!< RTC process is ongoing              */
51   HAL_RTC_STATE_TIMEOUT           = 0x03U,  /*!< RTC timeout state                   */
52   HAL_RTC_STATE_ERROR             = 0x04U   /*!< RTC error state                     */
53 
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 = 0x7FFF */
69 
70   uint32_t OutPut;            /*!< Specifies which signal will be routed to the RTC output.
71                                  This parameter can be a value of @ref RTCEx_Output_selection_Definitions */
72 
73   uint32_t OutPutRemap;       /*!< Specifies the remap for RTC output.
74                                  This parameter can be a value of @ref  RTC_Output_ALARM_OUT_Remap */
75 
76   uint32_t OutPutPolarity;    /*!< Specifies the polarity of the output signal.
77                                  This parameter can be a value of @ref RTC_Output_Polarity_Definitions */
78 
79   uint32_t OutPutType;        /*!< Specifies the RTC Output Pin mode.
80                                  This parameter can be a value of @ref RTC_Output_Type_ALARM_OUT */
81 
82   uint32_t OutPutPullUp;      /*!< Specifies the RTC Output Pull-Up mode.
83                                  This parameter can be a value of @ref RTC_Output_PullUp_ALARM_OUT */
84 } RTC_InitTypeDef;
85 
86 /**
87   * @brief  RTC Time structure definition
88   */
89 typedef struct
90 {
91   uint8_t Hours;            /*!< Specifies the RTC Time Hour.
92                                  This parameter must be a number between Min_Data = 0 and Max_Data = 12 if the RTC_HOURFORMAT_12 is selected.
93                                  This parameter must be a number between Min_Data = 0 and Max_Data = 23 if the RTC_HOURFORMAT_24 is selected */
94 
95   uint8_t Minutes;          /*!< Specifies the RTC Time Minutes.
96                                  This parameter must be a number between Min_Data = 0 and Max_Data = 59 */
97 
98   uint8_t Seconds;          /*!< Specifies the RTC Time Seconds.
99                                  This parameter must be a number between Min_Data = 0 and Max_Data = 59 */
100 
101   uint8_t TimeFormat;       /*!< Specifies the RTC AM/PM Time.
102                                  This parameter can be a value of @ref RTC_AM_PM_Definitions */
103 
104   uint32_t SubSeconds;     /*!< Specifies the RTC_SSR RTC Sub Second register content.
105                                  This parameter corresponds to a time unit range between [0-1] Second
106                                  with [1 Sec / SecondFraction +1] granularity */
107 
108   uint32_t SecondFraction;  /*!< Specifies the range or granularity of Sub Second register content
109                                  corresponding to Synchronous pre-scaler factor value (PREDIV_S)
110                                  This parameter corresponds to a time unit range between [0-1] Second
111                                  with [1 Sec / SecondFraction +1] granularity.
112                                  This field will be used only by HAL_RTC_GetTime function */
113 
114   uint32_t DayLightSaving;  /*!< Specifies RTC_DayLightSaveOperation: the value of hour adjustment.
115                                  This parameter can be a value of @ref RTC_DayLightSaving_Definitions */
116 
117   uint32_t StoreOperation;  /*!< Specifies RTC_StoreOperation value to be written in the BKP bit
118                                  in CR register to store the operation.
119                                  This parameter can be a value of @ref RTC_StoreOperation_Definitions */
120 } RTC_TimeTypeDef;
121 
122 /**
123   * @brief  RTC Date structure definition
124   */
125 typedef struct
126 {
127   uint8_t WeekDay;  /*!< Specifies the RTC Date WeekDay.
128                          This parameter can be a value of @ref RTC_WeekDay_Definitions */
129 
130   uint8_t Month;    /*!< Specifies the RTC Date Month (in BCD format).
131                          This parameter can be a value of @ref RTC_Month_Date_Definitions */
132 
133   uint8_t Date;     /*!< Specifies the RTC Date.
134                          This parameter must be a number between Min_Data = 1 and Max_Data = 31 */
135 
136   uint8_t Year;     /*!< Specifies the RTC Date Year.
137                          This parameter must be a number between Min_Data = 0 and Max_Data = 99 */
138 
139 } RTC_DateTypeDef;
140 
141 /**
142   * @brief  RTC Alarm structure definition
143   */
144 typedef struct
145 {
146   RTC_TimeTypeDef AlarmTime;     /*!< Specifies the RTC Alarm Time members */
147 
148   uint32_t AlarmMask;            /*!< Specifies the RTC Alarm Masks.
149                                       This parameter can be a value of @ref RTC_AlarmMask_Definitions */
150 
151   uint32_t AlarmSubSecondMask;   /*!< Specifies the RTC Alarm SubSeconds Masks.
152                                       This parameter can be a value of @ref RTC_Alarm_Sub_Seconds_Masks_Definitions */
153 
154   uint32_t AlarmDateWeekDaySel;  /*!< Specifies the RTC Alarm is on Date or WeekDay.
155                                      This parameter can be a value of @ref RTC_AlarmDateWeekDay_Definitions */
156 
157   uint8_t AlarmDateWeekDay;      /*!< Specifies the RTC Alarm Date/WeekDay.
158                                       If the Alarm Date is selected, this parameter must be set to a value in the 1-31 range.
159                                       If the Alarm WeekDay is selected, this parameter can be a value of @ref RTC_WeekDay_Definitions */
160 
161   uint32_t Alarm;                /*!< Specifies the alarm .
162                                       This parameter can be a value of @ref RTC_Alarms_Definitions */
163 } RTC_AlarmTypeDef;
164 
165 /**
166   * @brief  RTC Handle Structure definition
167   */
168 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
169 typedef struct __RTC_HandleTypeDef
170 #else
171 typedef struct
172 #endif
173 {
174   RTC_TypeDef               *Instance;  /*!< Register base address    */
175 
176   RTC_InitTypeDef           Init;       /*!< RTC required parameters  */
177 
178   HAL_LockTypeDef           Lock;       /*!< RTC locking object       */
179 
180   __IO HAL_RTCStateTypeDef  State;      /*!< Time communication state */
181 
182 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
183   void (* AlarmAEventCallback)(struct __RTC_HandleTypeDef *hrtc);      /*!< RTC Alarm A Event callback */
184 
185   void (* AlarmBEventCallback)(struct __RTC_HandleTypeDef *hrtc);      /*!< RTC Alarm B Event callback */
186 
187   void (* TimeStampEventCallback)(struct __RTC_HandleTypeDef *hrtc);      /*!< RTC TimeStamp 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_TIMESTAMP_EVENT_CB_ID         = 0x02U,    /*!< RTC TimeStamp Event Callback ID    */
205   HAL_RTC_MSPINIT_CB_ID                 = 0x0EU,    /*!< RTC Msp Init callback ID           */
206   HAL_RTC_MSPDEINIT_CB_ID               = 0x0FU     /*!< RTC Msp DeInit callback ID         */
207 } HAL_RTC_CallbackIDTypeDef;
208 
209 /**
210   * @brief  HAL RTC Callback pointer definition
211   */
212 typedef  void (*pRTC_CallbackTypeDef)(RTC_HandleTypeDef *hrtc);  /*!< pointer to an RTC callback function */
213 #endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
214 
215 /**
216   * @}
217   */
218 
219 /* Exported constants --------------------------------------------------------*/
220 /** @defgroup RTC_Exported_Constants RTC Exported Constants
221   * @{
222   */
223 
224 /** @defgroup RTC_Hour_Formats RTC Hour Formats
225   * @{
226   */
227 #define RTC_HOURFORMAT_24                   0U
228 #define RTC_HOURFORMAT_12                   RTC_CR_FMT
229 /**
230   * @}
231   */
232 
233 /** @defgroup RTCEx_Output_selection_Definitions RTCEx Output Selection Definition
234   * @{
235   */
236 #define RTC_OUTPUT_DISABLE                  0U
237 #define RTC_OUTPUT_ALARMA                   RTC_CR_OSEL_0
238 
239 /**
240   * @}
241   */
242 
243 /** @defgroup RTC_Output_Polarity_Definitions RTC Output Polarity Definitions
244   * @{
245   */
246 #define RTC_OUTPUT_POLARITY_HIGH            0U
247 #define RTC_OUTPUT_POLARITY_LOW             RTC_CR_POL
248 /**
249   * @}
250   */
251 
252 /** @defgroup RTC_Output_Type_ALARM_OUT RTC Output Type ALARM OUT
253   * @{
254   */
255 #define RTC_OUTPUT_TYPE_PUSHPULL            0U
256 #define RTC_OUTPUT_TYPE_OPENDRAIN           RTC_CR_TAMPALRM_TYPE
257 /**
258   * @}
259   */
260 
261 /** @defgroup RTC_Output_PullUp_ALARM_OUT RTC Output Pull-Up ALARM OUT
262   * @{
263   */
264 #define RTC_OUTPUT_PULLUP_NONE              0U
265 #define RTC_OUTPUT_PULLUP_ON                RTC_CR_TAMPALRM_PU
266 /**
267   * @}
268   */
269 
270 /** @defgroup RTC_Output_ALARM_OUT_Remap RTC Output ALARM OUT Remap
271   * @{
272   */
273 #define RTC_OUTPUT_REMAP_NONE               0U
274 #define RTC_OUTPUT_REMAP_POS1               RTC_CR_OUT2EN
275 /**
276   * @}
277   */
278 
279 /** @defgroup RTC_AM_PM_Definitions RTC AM PM Definitions
280   * @{
281   */
282 #define RTC_HOURFORMAT12_AM                 ((uint8_t)0U)
283 #define RTC_HOURFORMAT12_PM                 ((uint8_t)1U)
284 /**
285   * @}
286   */
287 
288 /** @defgroup RTC_DayLightSaving_Definitions RTC DayLightSaving Definitions
289   * @{
290   */
291 #define RTC_DAYLIGHTSAVING_SUB1H            RTC_CR_SUB1H
292 #define RTC_DAYLIGHTSAVING_ADD1H            RTC_CR_ADD1H
293 #define RTC_DAYLIGHTSAVING_NONE             0U
294 /**
295   * @}
296   */
297 
298 /** @defgroup RTC_StoreOperation_Definitions RTC StoreOperation Definitions
299   * @{
300   */
301 #define RTC_STOREOPERATION_RESET            0U
302 #define RTC_STOREOPERATION_SET              RTC_CR_BKP
303 /**
304   * @}
305   */
306 
307 /** @defgroup RTC_Input_parameter_format_definitions RTC Input Parameter Format Definitions
308   * @{
309   */
310 #define RTC_FORMAT_BIN                      0U
311 #define RTC_FORMAT_BCD                      1U
312 /**
313   * @}
314   */
315 
316 /** @defgroup RTC_Month_Date_Definitions RTC Month Date Definitions
317   * @{
318   */
319 
320 /* Coded in BCD format */
321 #define RTC_MONTH_JANUARY                   ((uint8_t)0x01U)
322 #define RTC_MONTH_FEBRUARY                  ((uint8_t)0x02U)
323 #define RTC_MONTH_MARCH                     ((uint8_t)0x03U)
324 #define RTC_MONTH_APRIL                     ((uint8_t)0x04U)
325 #define RTC_MONTH_MAY                       ((uint8_t)0x05U)
326 #define RTC_MONTH_JUNE                      ((uint8_t)0x06U)
327 #define RTC_MONTH_JULY                      ((uint8_t)0x07U)
328 #define RTC_MONTH_AUGUST                    ((uint8_t)0x08U)
329 #define RTC_MONTH_SEPTEMBER                 ((uint8_t)0x09U)
330 #define RTC_MONTH_OCTOBER                   ((uint8_t)0x10U)
331 #define RTC_MONTH_NOVEMBER                  ((uint8_t)0x11U)
332 #define RTC_MONTH_DECEMBER                  ((uint8_t)0x12U)
333 
334 /**
335   * @}
336   */
337 
338 /** @defgroup RTC_WeekDay_Definitions RTC WeekDay Definitions
339   * @{
340   */
341 #define RTC_WEEKDAY_MONDAY                  ((uint8_t)0x01U)
342 #define RTC_WEEKDAY_TUESDAY                 ((uint8_t)0x02U)
343 #define RTC_WEEKDAY_WEDNESDAY               ((uint8_t)0x03U)
344 #define RTC_WEEKDAY_THURSDAY                ((uint8_t)0x04U)
345 #define RTC_WEEKDAY_FRIDAY                  ((uint8_t)0x05U)
346 #define RTC_WEEKDAY_SATURDAY                ((uint8_t)0x06U)
347 #define RTC_WEEKDAY_SUNDAY                  ((uint8_t)0x07U)
348 
349 /**
350   * @}
351   */
352 
353 /** @defgroup RTC_AlarmDateWeekDay_Definitions RTC AlarmDateWeekDay Definitions
354   * @{
355   */
356 #define RTC_ALARMDATEWEEKDAYSEL_DATE        0U
357 #define RTC_ALARMDATEWEEKDAYSEL_WEEKDAY     RTC_ALRMAR_WDSEL
358 
359 /**
360   * @}
361   */
362 
363 /** @defgroup RTC_AlarmMask_Definitions RTC AlarmMask Definitions
364   * @{
365   */
366 #define RTC_ALARMMASK_NONE                  0U
367 #define RTC_ALARMMASK_DATEWEEKDAY           RTC_ALRMAR_MSK4
368 #define RTC_ALARMMASK_HOURS                 RTC_ALRMAR_MSK3
369 #define RTC_ALARMMASK_MINUTES               RTC_ALRMAR_MSK2
370 #define RTC_ALARMMASK_SECONDS               RTC_ALRMAR_MSK1
371 #define RTC_ALARMMASK_ALL                   (RTC_ALARMMASK_NONE | RTC_ALARMMASK_DATEWEEKDAY | \
372                                              RTC_ALARMMASK_HOURS | RTC_ALARMMASK_MINUTES     | \
373                                              RTC_ALARMMASK_SECONDS)
374 
375 /**
376   * @}
377   */
378 
379 /** @defgroup RTC_Alarms_Definitions RTC Alarms Definitions
380   * @{
381   */
382 #define RTC_ALARM_A                         RTC_CR_ALRAE
383 
384 /**
385   * @}
386   */
387 
388 
389 /** @defgroup RTC_Alarm_Sub_Seconds_Masks_Definitions RTC Alarm Sub Seconds Masks Definitions
390   * @{
391   */
392 #define RTC_ALARMSUBSECONDMASK_ALL          0U                                                                       /*!< All Alarm SS fields are masked.
393                                                                                                                           There is no comparison on sub seconds
394                                                                                                                           for Alarm */
395 #define RTC_ALARMSUBSECONDMASK_SS14_1       RTC_ALRMASSR_MASKSS_0                                                    /*!< SS[14:1] not used in Alarm
396                                                                                                                           comparison. Only SS[0] is compared.    */
397 #define RTC_ALARMSUBSECONDMASK_SS14_2       RTC_ALRMASSR_MASKSS_1                                                    /*!< SS[14:2] not used in Alarm
398                                                                                                                           comparison. Only SS[1:0] are compared  */
399 #define RTC_ALARMSUBSECONDMASK_SS14_3       (RTC_ALRMASSR_MASKSS_0 | RTC_ALRMASSR_MASKSS_1)                          /*!< SS[14:3] not used in Alarm
400                                                                                                                           comparison. Only SS[2:0] are compared  */
401 #define RTC_ALARMSUBSECONDMASK_SS14_4       RTC_ALRMASSR_MASKSS_2                                                    /*!< SS[14:4] not used in Alarm
402                                                                                                                           comparison. Only SS[3:0] are compared  */
403 #define RTC_ALARMSUBSECONDMASK_SS14_5       (RTC_ALRMASSR_MASKSS_0 | RTC_ALRMASSR_MASKSS_2)                          /*!< SS[14:5] not used in Alarm
404                                                                                                                           comparison. Only SS[4:0] are compared  */
405 #define RTC_ALARMSUBSECONDMASK_SS14_6       (RTC_ALRMASSR_MASKSS_1 | RTC_ALRMASSR_MASKSS_2)                          /*!< SS[14:6] not used in Alarm
406                                                                                                                           comparison. Only SS[5:0] are compared  */
407 #define RTC_ALARMSUBSECONDMASK_SS14_7       (RTC_ALRMASSR_MASKSS_0 | RTC_ALRMASSR_MASKSS_1 | RTC_ALRMASSR_MASKSS_2)  /*!< SS[14:7] not used in Alarm
408                                                                                                                           comparison. Only SS[6:0] are compared  */
409 #define RTC_ALARMSUBSECONDMASK_SS14_8       RTC_ALRMASSR_MASKSS_3                                                    /*!< SS[14:8] not used in Alarm
410                                                                                                                           comparison. Only SS[7:0] are compared  */
411 #define RTC_ALARMSUBSECONDMASK_SS14_9       (RTC_ALRMASSR_MASKSS_0 | RTC_ALRMASSR_MASKSS_3)                          /*!< SS[14:9] not used in Alarm
412                                                                                                                           comparison. Only SS[8:0] are compared  */
413 #define RTC_ALARMSUBSECONDMASK_SS14_10      (RTC_ALRMASSR_MASKSS_1 | RTC_ALRMASSR_MASKSS_3)                          /*!< SS[14:10] not used in Alarm
414                                                                                                                           comparison. Only SS[9:0] are compared  */
415 #define RTC_ALARMSUBSECONDMASK_SS14_11      (RTC_ALRMASSR_MASKSS_0 | RTC_ALRMASSR_MASKSS_1 | RTC_ALRMASSR_MASKSS_3)  /*!< SS[14:11] not used in Alarm
416                                                                                                                           comparison. Only SS[10:0] are compared */
417 #define RTC_ALARMSUBSECONDMASK_SS14_12      (RTC_ALRMASSR_MASKSS_2 | RTC_ALRMASSR_MASKSS_3)                          /*!< SS[14:12] not used in Alarm
418                                                                                                                           comparison.Only SS[11:0] are compared  */
419 #define RTC_ALARMSUBSECONDMASK_SS14_13      (RTC_ALRMASSR_MASKSS_0 | RTC_ALRMASSR_MASKSS_2 | RTC_ALRMASSR_MASKSS_3)  /*!< SS[14:13] not used in Alarm
420                                                                                                                           comparison. Only SS[12:0] are compared */
421 #define RTC_ALARMSUBSECONDMASK_SS14         (RTC_ALRMASSR_MASKSS_1 | RTC_ALRMASSR_MASKSS_2 | RTC_ALRMASSR_MASKSS_3)  /*!< SS[14] not used in Alarm
422                                                                                                                           comparison.Only SS[13:0] are compared  */
423 #define RTC_ALARMSUBSECONDMASK_NONE         RTC_ALRMASSR_MASKSS                                                      /*!< SS[14:0] are compared and must match
424                                                                                                                           to activate alarm. */
425 /**
426   * @}
427   */
428 
429 /** @defgroup RTC_Interrupts_Definitions RTC Interrupts Definitions
430   * @{
431   */
432 #define RTC_IT_TS                           RTC_CR_TSIE        /*!< Enable Timestamp Interrupt    */
433 #define RTC_IT_ALRA                         RTC_CR_ALRAIE      /*!< Enable Alarm A Interrupt      */
434 
435 /**
436   * @}
437   */
438 
439 /** @defgroup RTC_Flag_Mask    RTC Flag Mask (5bits) describe __HAL_RTC_GET_FLAG()
440   * @{
441   */
442 #define RTC_FLAG_MASK                       0x001FU        /*!< RTC flags mask (5bits) */
443 /**
444   * @}
445   */
446 
447 /** @defgroup RTC_Flags_Definitions RTC Flags Definitions
448   *        Elements values convention: 000000XX000YYYYYb
449   *           - YYYYY  : Interrupt flag position in the XX register (5bits)
450   *           - XX  : Interrupt status register (2bits)
451   *                 - 01: ICSR register
452   *                 - 10: SR or SCR or MISR or SMISR registers
453   * @{
454   */
455 #define RTC_FLAG_RECALPF                    (0x00000100U | RTC_ICSR_RECALPF_Pos) /*!< Recalibration pending Flag */
456 #define RTC_FLAG_INITF                      (0x00000100U | RTC_ICSR_INITF_Pos)   /*!< Initialization flag */
457 #define RTC_FLAG_RSF                        (0x00000100U | RTC_ICSR_RSF_Pos)     /*!< Registers synchronization flag */
458 #define RTC_FLAG_INITS                      (0x00000100U | RTC_ICSR_INITS_Pos)   /*!< Initialization status flag */
459 #define RTC_FLAG_SHPF                       (0x00000100U | RTC_ICSR_SHPF_Pos)    /*!< Shift operation pending flag */
460 #define RTC_FLAG_ALRAWF                     (0x00000100U | RTC_ICSR_ALRAWF_Pos)  /*!< Alarm A write flag */
461 #define RTC_FLAG_ITSF                       (0x00000200U | RTC_SR_ITSF_Pos)      /*!< Internal Time-stamp flag */
462 #define RTC_FLAG_TSOVF                      (0x00000200U | RTC_SR_TSOVF_Pos)     /*!< Time-stamp overflow flag */
463 #define RTC_FLAG_TSF                        (0x00000200U | RTC_SR_TSF_Pos)       /*!< Time-stamp flag */
464 #define RTC_FLAG_ALRAF                      (0x00000200U | RTC_SR_ALRAF_Pos)     /*!< Alarm A flag */
465 /**
466   * @}
467   */
468 
469 /** @defgroup RTC_Clear_Flags_Definitions RTC Clear Flags Definitions
470   * @{
471   */
472 #define RTC_CLEAR_ITSF                      RTC_SCR_CITSF    /*!< Clear Internal Time-stamp flag */
473 #define RTC_CLEAR_TSOVF                     RTC_SCR_CTSOVF   /*!< Clear Time-stamp overflow flag */
474 #define RTC_CLEAR_TSF                       RTC_SCR_CTSF     /*!< Clear Time-stamp flag */
475 #define RTC_CLEAR_ALRAF                     RTC_SCR_CALRAF   /*!< Clear Alarm A flag */
476 /**
477   * @}
478   */
479 
480 /**
481   * @}
482   */
483 
484 /* Exported macros -----------------------------------------------------------*/
485 /** @defgroup RTC_Exported_Macros RTC Exported Macros
486   * @{
487   */
488 
489 /** @brief Reset RTC handle state
490   * @param  __HANDLE__ RTC handle.
491   * @retval None
492   */
493 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
494 #define __HAL_RTC_RESET_HANDLE_STATE(__HANDLE__) do{\
495                                                       (__HANDLE__)->State = HAL_RTC_STATE_RESET;\
496                                                       (__HANDLE__)->MspInitCallback = NULL;\
497                                                       (__HANDLE__)->MspDeInitCallback = NULL;\
498                                                      }while(0)
499 #else
500 #define __HAL_RTC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_RTC_STATE_RESET)
501 #endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
502 
503 /**
504   * @brief  Disable the write protection for RTC registers.
505   * @param  __HANDLE__ specifies the RTC handle.
506   * @retval None
507   */
508 #define __HAL_RTC_WRITEPROTECTION_DISABLE(__HANDLE__)             \
509   do{                                       \
510     (__HANDLE__)->Instance->WPR = 0xCAU;   \
511     (__HANDLE__)->Instance->WPR = 0x53U;   \
512   } while(0U)
513 
514 /**
515   * @brief  Enable the write protection for RTC registers.
516   * @param  __HANDLE__ specifies the RTC handle.
517   * @retval None
518   */
519 #define __HAL_RTC_WRITEPROTECTION_ENABLE(__HANDLE__)              \
520   do{                                       \
521     (__HANDLE__)->Instance->WPR = 0xFFU;   \
522   } while(0U)
523 
524 /**
525   * @brief  Check whether the RTC Calendar is initialized.
526   * @param  __HANDLE__ specifies the RTC handle.
527   * @retval None
528   */
529 #define __HAL_RTC_IS_CALENDAR_INITIALIZED(__HANDLE__)  (((((__HANDLE__)->Instance->ICSR) & (RTC_ICSR_INITS)) == RTC_ICSR_INITS) ? 1U : 0U)
530 
531 /**
532   * @brief  Add 1 hour (summer time change).
533   * @param  __HANDLE__ specifies the RTC handle.
534   * @param  __BKP__ Backup
535   *         This parameter can be:
536   *            @arg @ref RTC_STOREOPERATION_RESET
537   *            @arg @ref RTC_STOREOPERATION_SET
538   * @retval None
539   */
540 #define __HAL_RTC_DAYLIGHT_SAVING_TIME_ADD1H(__HANDLE__, __BKP__)                         \
541   do {                                                              \
542     __HAL_RTC_WRITEPROTECTION_DISABLE(__HANDLE__);                \
543     SET_BIT((__HANDLE__)->Instance->CR, RTC_CR_ADD1H);            \
544     MODIFY_REG((__HANDLE__)->Instance->CR, RTC_CR_BKP , (__BKP__)); \
545     __HAL_RTC_WRITEPROTECTION_ENABLE(__HANDLE__);                 \
546   } while(0);
547 
548 /**
549   * @brief  Subtract 1 hour (winter time change).
550   * @param  __HANDLE__ specifies the RTC handle.
551   * @param  __BKP__ Backup
552   *         This parameter can be:
553   *            @arg @ref RTC_STOREOPERATION_RESET
554   *            @arg @ref RTC_STOREOPERATION_SET
555   * @retval None
556   */
557 #define __HAL_RTC_DAYLIGHT_SAVING_TIME_SUB1H(__HANDLE__, __BKP__)                         \
558   do {                                                              \
559     __HAL_RTC_WRITEPROTECTION_DISABLE(__HANDLE__);                \
560     SET_BIT((__HANDLE__)->Instance->CR, RTC_CR_SUB1H);            \
561     MODIFY_REG((__HANDLE__)->Instance->CR, RTC_CR_BKP , (__BKP__)); \
562     __HAL_RTC_WRITEPROTECTION_ENABLE(__HANDLE__);                 \
563   } while(0);
564 
565 /**
566   * @brief  Enable the RTC ALARMA peripheral.
567   * @param  __HANDLE__ specifies the RTC handle.
568   * @retval None
569   */
570 #define __HAL_RTC_ALARMA_ENABLE(__HANDLE__)  ((__HANDLE__)->Instance->CR |= (RTC_CR_ALRAE))
571 
572 /**
573   * @brief  Disable the RTC ALARMA peripheral.
574   * @param  __HANDLE__ specifies the RTC handle.
575   * @retval None
576   */
577 #define __HAL_RTC_ALARMA_DISABLE(__HANDLE__)  ((__HANDLE__)->Instance->CR &= ~(RTC_CR_ALRAE))
578 
579 /**
580   * @brief  Enable the RTC Alarm interrupt.
581   * @param  __HANDLE__ specifies the RTC handle.
582   * @param  __INTERRUPT__ specifies the RTC Alarm interrupt sources to be enabled or disabled.
583   *          This parameter can be any combination of the following values:
584   *             @arg @ref RTC_IT_ALRA Alarm A interrupt, @ref RTC_Interrupts_Definitions
585   * @retval None
586   */
587 #define __HAL_RTC_ALARM_ENABLE_IT(__HANDLE__, __INTERRUPT__)   ((__HANDLE__)->Instance->CR |= (__INTERRUPT__))
588 
589 /**
590   * @brief  Disable the RTC Alarm interrupt.
591   * @param  __HANDLE__ specifies the RTC handle.
592   * @param  __INTERRUPT__ specifies the RTC Alarm interrupt sources to be enabled or disabled.
593   *         This parameter can be any combination of the following values:
594   *            @arg @ref RTC_IT_ALRA Alarm A interrupt
595   * @retval None
596   */
597 #define __HAL_RTC_ALARM_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR &= ~(__INTERRUPT__))
598 
599 /**
600   * @brief  Check whether the specified RTC Alarm interrupt has occurred or not.
601   * @param  __HANDLE__ specifies the RTC handle.
602   * @param  __INTERRUPT__ specifies the RTC Alarm interrupt sources to check.
603   *         This parameter can be:
604   *            @arg @ref RTC_IT_ALRA Alarm A interrupt
605   * @retval None
606   */
607 #define __HAL_RTC_ALARM_GET_IT(__HANDLE__, __INTERRUPT__) (((((__HANDLE__)->Instance->SR\
608                                                              )& ((__INTERRUPT__)>> 12U)) != 0U)? 1U : 0U)
609 
610 /**
611   * @brief  Check whether the specified RTC Alarm interrupt has been enabled or not.
612   * @param  __HANDLE__ specifies the RTC handle.
613   * @param  __INTERRUPT__ specifies the RTC Alarm interrupt sources to check.
614   *         This parameter can be:
615   *            @arg @ref RTC_IT_ALRA Alarm A interrupt
616   * @retval None
617   */
618 #define __HAL_RTC_ALARM_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__)     (((((__HANDLE__)->Instance->CR)\
619                                                                         & (__INTERRUPT__)) != 0U) ? 1U : 0U)
620 
621 /**
622   * @brief  Get the selected RTC Alarms flag status.
623   * @param  __HANDLE__ specifies the RTC handle.
624   * @param  __FLAG__ specifies the RTC Alarm Flag sources to check.
625   *         This parameter can be:
626   *            @arg @ref RTC_FLAG_ALRAF
627   *            @arg @ref RTC_FLAG_ALRAWF
628   * @retval None
629   */
630 #define __HAL_RTC_ALARM_GET_FLAG(__HANDLE__, __FLAG__)   (__HAL_RTC_GET_FLAG((__HANDLE__), (__FLAG__)))
631 
632 /**
633   * @brief  Clear the RTC Alarms pending flags.
634   * @param  __HANDLE__ specifies the RTC handle.
635   * @param  __FLAG__ specifies the RTC Alarm Flag sources to clear.
636   *          This parameter can be:
637   *             @arg @ref RTC_FLAG_ALRAF
638   * @retval None
639   */
640 #define __HAL_RTC_ALARM_CLEAR_FLAG(__HANDLE__, __FLAG__)  (__HAL_RTC_CLEAR_FLAG((__HANDLE__), RTC_CLEAR_ALRAF))
641 
642 /**
643   * @brief  Enable interrupt on the RTC Alarm associated Exti line.
644   * @retval None
645   */
646 #define __HAL_RTC_ALARM_EXTI_ENABLE_IT()            (EXTI->IMR1 |= RTC_EXTI_LINE_ALARM_EVENT)
647 
648 /**
649   * @brief  Disable interrupt on the RTC Alarm associated Exti line.
650   * @retval None
651   */
652 #define __HAL_RTC_ALARM_EXTI_DISABLE_IT()           (EXTI->IMR1 &= ~(RTC_EXTI_LINE_ALARM_EVENT))
653 
654 /**
655   * @brief  Enable event on the RTC Alarm associated Exti line.
656   * @retval None.
657   */
658 #define __HAL_RTC_ALARM_EXTI_ENABLE_EVENT()         (EXTI->EMR1 |= RTC_EXTI_LINE_ALARM_EVENT)
659 
660 /**
661   * @brief  Disable event on the RTC Alarm associated Exti line.
662   * @retval None.
663   */
664 #define __HAL_RTC_ALARM_EXTI_DISABLE_EVENT()         (EXTI->EMR1 &= ~(RTC_EXTI_LINE_ALARM_EVENT))
665 
666 /**
667   * @}
668   */
669 
670 /* Include RTC HAL Extended module */
671 #include "stm32c0xx_hal_rtc_ex.h"
672 
673 /* Exported functions --------------------------------------------------------*/
674 /** @defgroup RTC_Exported_Functions RTC Exported Functions
675   * @{
676   */
677 
678 /** @defgroup RTC_Exported_Functions_Group1 Initialization and de-initialization functions
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 
685 void HAL_RTC_MspInit(RTC_HandleTypeDef *hrtc);
686 void HAL_RTC_MspDeInit(RTC_HandleTypeDef *hrtc);
687 
688 /* Callbacks Register/UnRegister functions  ***********************************/
689 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
690 HAL_StatusTypeDef HAL_RTC_RegisterCallback(RTC_HandleTypeDef *hrtc, HAL_RTC_CallbackIDTypeDef CallbackID,
691                                            pRTC_CallbackTypeDef pCallback);
692 HAL_StatusTypeDef HAL_RTC_UnRegisterCallback(RTC_HandleTypeDef *hrtc, HAL_RTC_CallbackIDTypeDef CallbackID);
693 #endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
694 
695 /**
696   * @}
697   */
698 
699 /** @defgroup RTC_Exported_Functions_Group2 RTC Time and Date functions
700   * @{
701   */
702 /* RTC Time and Date functions ************************************************/
703 HAL_StatusTypeDef HAL_RTC_SetTime(RTC_HandleTypeDef *hrtc, RTC_TimeTypeDef *sTime, uint32_t Format);
704 HAL_StatusTypeDef HAL_RTC_GetTime(RTC_HandleTypeDef *hrtc, RTC_TimeTypeDef *sTime, uint32_t Format);
705 HAL_StatusTypeDef HAL_RTC_SetDate(RTC_HandleTypeDef *hrtc, RTC_DateTypeDef *sDate, uint32_t Format);
706 HAL_StatusTypeDef HAL_RTC_GetDate(RTC_HandleTypeDef *hrtc, RTC_DateTypeDef *sDate, uint32_t Format);
707 /**
708   * @}
709   */
710 
711 /** @defgroup RTC_Exported_Functions_Group3 RTC Alarm functions
712   * @{
713   */
714 /* RTC Alarm functions ********************************************************/
715 HAL_StatusTypeDef HAL_RTC_SetAlarm(RTC_HandleTypeDef *hrtc, RTC_AlarmTypeDef *sAlarm, uint32_t Format);
716 HAL_StatusTypeDef HAL_RTC_SetAlarm_IT(RTC_HandleTypeDef *hrtc, RTC_AlarmTypeDef *sAlarm, uint32_t Format);
717 HAL_StatusTypeDef HAL_RTC_DeactivateAlarm(RTC_HandleTypeDef *hrtc, uint32_t Alarm);
718 HAL_StatusTypeDef HAL_RTC_GetAlarm(RTC_HandleTypeDef *hrtc, RTC_AlarmTypeDef *sAlarm, uint32_t Alarm, uint32_t Format);
719 void              HAL_RTC_AlarmIRQHandler(RTC_HandleTypeDef *hrtc);
720 HAL_StatusTypeDef HAL_RTC_PollForAlarmAEvent(RTC_HandleTypeDef *hrtc, uint32_t Timeout);
721 void              HAL_RTC_AlarmAEventCallback(RTC_HandleTypeDef *hrtc);
722 /**
723   * @}
724   */
725 
726 /** @defgroup  RTC_Exported_Functions_Group4 Peripheral Control functions
727   * @{
728   */
729 /* Peripheral Control functions ***********************************************/
730 HAL_StatusTypeDef   HAL_RTC_WaitForSynchro(RTC_HandleTypeDef *hrtc);
731 /**
732   * @}
733   */
734 
735 /** @defgroup RTC_Exported_Functions_Group5 Peripheral State functions
736   * @{
737   */
738 /* Peripheral State functions *************************************************/
739 HAL_RTCStateTypeDef HAL_RTC_GetState(RTC_HandleTypeDef *hrtc);
740 /**
741   * @}
742   */
743 
744 /**
745   * @}
746   */
747 
748 /* Private types -------------------------------------------------------------*/
749 /* Private variables ---------------------------------------------------------*/
750 /* Private constants ---------------------------------------------------------*/
751 /** @defgroup RTC_Private_Constants RTC Private Constants
752   * @{
753   */
754 /* Masks Definition */
755 #define RTC_TR_RESERVED_MASK                (RTC_TR_PM | RTC_TR_HT | RTC_TR_HU | \
756                                              RTC_TR_MNT | RTC_TR_MNU| RTC_TR_ST | \
757                                              RTC_TR_SU)
758 #define RTC_DR_RESERVED_MASK                (RTC_DR_YT | RTC_DR_YU | RTC_DR_WDU | \
759                                              RTC_DR_MT | RTC_DR_MU | RTC_DR_DT  | \
760                                              RTC_DR_DU)
761 #define RTC_INIT_MASK                       0xFFFFFFFFU
762 #define RTC_RSF_MASK                        (~(RTC_ICSR_INIT | RTC_ICSR_RSF))
763 
764 #define RTC_TIMEOUT_VALUE                   1000U
765 
766 #define RTC_EXTI_LINE_ALARM_EVENT           EXTI_IMR1_IM19  /*!< External interrupt line 19 Connected to the RTC Alarm event */
767 
768 /**
769   * @}
770   */
771 
772 /* Private macros ------------------------------------------------------------*/
773 /** @defgroup RTC_Private_Macros RTC Private Macros
774   * @{
775   */
776 
777 /** @defgroup RTC_IS_RTC_Definitions RTC Private macros to check input parameters
778   * @{
779   */
780 #define IS_RTC_OUTPUT(OUTPUT) (((OUTPUT) == RTC_OUTPUT_DISABLE) || \
781                                ((OUTPUT) == RTC_OUTPUT_ALARMA))
782 
783 #define IS_RTC_HOUR_FORMAT(FORMAT)     (((FORMAT) == RTC_HOURFORMAT_12) || \
784                                         ((FORMAT) == RTC_HOURFORMAT_24))
785 
786 #define IS_RTC_OUTPUT_POL(POL) (((POL) == RTC_OUTPUT_POLARITY_HIGH) || \
787                                 ((POL) == RTC_OUTPUT_POLARITY_LOW))
788 
789 #define IS_RTC_OUTPUT_TYPE(TYPE) (((TYPE) == RTC_OUTPUT_TYPE_OPENDRAIN) || \
790                                   ((TYPE) == RTC_OUTPUT_TYPE_PUSHPULL))
791 
792 #define IS_RTC_OUTPUT_PULLUP(TYPE) (((TYPE) == RTC_OUTPUT_PULLUP_NONE) || \
793                                     ((TYPE) == RTC_OUTPUT_PULLUP_ON))
794 
795 #define IS_RTC_OUTPUT_REMAP(REMAP)   (((REMAP) == RTC_OUTPUT_REMAP_NONE) || \
796                                       ((REMAP) == RTC_OUTPUT_REMAP_POS1))
797 
798 #define IS_RTC_HOURFORMAT12(PM)  (((PM) == RTC_HOURFORMAT12_AM) || \
799                                   ((PM) == RTC_HOURFORMAT12_PM))
800 
801 #define IS_RTC_DAYLIGHT_SAVING(SAVE) (((SAVE) == RTC_DAYLIGHTSAVING_SUB1H) || \
802                                       ((SAVE) == RTC_DAYLIGHTSAVING_ADD1H) || \
803                                       ((SAVE) == RTC_DAYLIGHTSAVING_NONE))
804 
805 #define IS_RTC_STORE_OPERATION(OPERATION) (((OPERATION) == RTC_STOREOPERATION_RESET) || \
806                                            ((OPERATION) == RTC_STOREOPERATION_SET))
807 
808 #define IS_RTC_FORMAT(FORMAT) (((FORMAT) == RTC_FORMAT_BIN) || \
809                                ((FORMAT) == RTC_FORMAT_BCD))
810 
811 #define IS_RTC_YEAR(YEAR)              ((YEAR) <= 99U)
812 
813 #define IS_RTC_MONTH(MONTH)            (((MONTH) >= 1U) && ((MONTH) <= 12U))
814 
815 #define IS_RTC_DATE(DATE)              (((DATE) >= 1U) && ((DATE) <= 31U))
816 
817 #define IS_RTC_WEEKDAY(WEEKDAY) (((WEEKDAY) == RTC_WEEKDAY_MONDAY)    || \
818                                  ((WEEKDAY) == RTC_WEEKDAY_TUESDAY)   || \
819                                  ((WEEKDAY) == RTC_WEEKDAY_WEDNESDAY) || \
820                                  ((WEEKDAY) == RTC_WEEKDAY_THURSDAY)  || \
821                                  ((WEEKDAY) == RTC_WEEKDAY_FRIDAY)    || \
822                                  ((WEEKDAY) == RTC_WEEKDAY_SATURDAY)  || \
823                                  ((WEEKDAY) == RTC_WEEKDAY_SUNDAY))
824 
825 #define IS_RTC_ALARM_DATE_WEEKDAY_DATE(DATE) (((DATE) >0U) && ((DATE) <= 31U))
826 
827 #define IS_RTC_ALARM_DATE_WEEKDAY_WEEKDAY(WEEKDAY) (((WEEKDAY) == RTC_WEEKDAY_MONDAY)    || \
828                                                     ((WEEKDAY) == RTC_WEEKDAY_TUESDAY)   || \
829                                                     ((WEEKDAY) == RTC_WEEKDAY_WEDNESDAY) || \
830                                                     ((WEEKDAY) == RTC_WEEKDAY_THURSDAY)  || \
831                                                     ((WEEKDAY) == RTC_WEEKDAY_FRIDAY)    || \
832                                                     ((WEEKDAY) == RTC_WEEKDAY_SATURDAY)  || \
833                                                     ((WEEKDAY) == RTC_WEEKDAY_SUNDAY))
834 
835 #define IS_RTC_ALARM_DATE_WEEKDAY_SEL(SEL) (((SEL) == RTC_ALARMDATEWEEKDAYSEL_DATE) || \
836                                             ((SEL) == RTC_ALARMDATEWEEKDAYSEL_WEEKDAY))
837 
838 #define IS_RTC_ALARM_MASK(MASK)  (((MASK) & ~(RTC_ALARMMASK_ALL)) == 0U)
839 
840 #define IS_RTC_ALARM(ALARM)      ((ALARM) == RTC_ALARM_A)
841 
842 #define IS_RTC_ALARM_SUB_SECOND_VALUE(VALUE) ((VALUE) <= RTC_ALRMASSR_SS)
843 
844 #define IS_RTC_ALARM_SUB_SECOND_MASK(MASK)   (((MASK) == RTC_ALARMSUBSECONDMASK_ALL) || \
845                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_1) || \
846                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_2) || \
847                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_3) || \
848                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_4) || \
849                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_5) || \
850                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_6) || \
851                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_7) || \
852                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_8) || \
853                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_9) || \
854                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_10) || \
855                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_11) || \
856                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_12) || \
857                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_13) || \
858                                               ((MASK) == RTC_ALARMSUBSECONDMASK_SS14) || \
859                                               ((MASK) == RTC_ALARMSUBSECONDMASK_NONE))
860 
861 #define IS_RTC_ASYNCH_PREDIV(PREDIV)   ((PREDIV) <= 0x7FU)
862 
863 #define IS_RTC_SYNCH_PREDIV(PREDIV)    ((PREDIV) <= 0x7FFFU)
864 
865 #define IS_RTC_HOUR12(HOUR)            (((HOUR) > 0U) && ((HOUR) <= 12U))
866 
867 #define IS_RTC_HOUR24(HOUR)            ((HOUR) <= 23U)
868 
869 #define IS_RTC_MINUTES(MINUTES)        ((MINUTES) <= 59U)
870 
871 #define IS_RTC_SECONDS(SECONDS)        ((SECONDS) <= 59U)
872 
873 /**
874   * @}
875   */
876 
877 /**
878   * @}
879   */
880 
881 /* Private functions -------------------------------------------------------------*/
882 /** @defgroup RTC_Private_Functions RTC Private Functions
883   * @{
884   */
885 HAL_StatusTypeDef  RTC_EnterInitMode(RTC_HandleTypeDef *hrtc);
886 HAL_StatusTypeDef  RTC_ExitInitMode(RTC_HandleTypeDef *hrtc);
887 uint8_t            RTC_ByteToBcd2(uint8_t Value);
888 uint8_t            RTC_Bcd2ToByte(uint8_t Value);
889 /**
890   * @}
891   */
892 
893 
894 /**
895   * @}
896   */
897 
898 /**
899   * @}
900   */
901 
902 #ifdef __cplusplus
903 }
904 #endif
905 
906 #endif /* STM32C0xx_HAL_RTC_H */
907 
908