1 /**
2   ******************************************************************************
3   * @file    stm32f4xx_rtc.h
4   * @author  MCD Application Team
5   * @version V1.6.1
6   * @date    21-October-2015
7   * @brief   This file contains all the functions prototypes for the RTC firmware
8   *          library.
9   ******************************************************************************
10   * @attention
11   *
12   * <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
13   *
14   * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
15   * You may not use this file except in compliance with the License.
16   * You may obtain a copy of the License at:
17   *
18   *        http://www.st.com/software_license_agreement_liberty_v2
19   *
20   * Unless required by applicable law or agreed to in writing, software
21   * distributed under the License is distributed on an "AS IS" BASIS,
22   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
23   * See the License for the specific language governing permissions and
24   * limitations under the License.
25   *
26   ******************************************************************************
27   */
28 
29 /* Define to prevent recursive inclusion -------------------------------------*/
30 #ifndef __STM32F4xx_RTC_H
31 #define __STM32F4xx_RTC_H
32 
33 #ifdef __cplusplus
34  extern "C" {
35 #endif
36 
37 /* Includes ------------------------------------------------------------------*/
38 #include "stm32f4xx.h"
39 
40 /** @addtogroup STM32F4xx_StdPeriph_Driver
41   * @{
42   */
43 
44 /** @addtogroup RTC
45   * @{
46   */
47 
48 /* Exported types ------------------------------------------------------------*/
49 
50 /**
51   * @brief  RTC Init structures definition
52   */
53 typedef struct
54 {
55   uint32_t RTC_HourFormat;   /*!< Specifies the RTC Hour Format.
56                              This parameter can be a value of @ref RTC_Hour_Formats */
57 
58   uint32_t RTC_AsynchPrediv; /*!< Specifies the RTC Asynchronous Predivider value.
59                              This parameter must be set to a value lower than 0x7F */
60 
61   uint32_t RTC_SynchPrediv;  /*!< Specifies the RTC Synchronous Predivider value.
62                              This parameter must be set to a value lower than 0x7FFF */
63 }RTC_InitTypeDef;
64 
65 /**
66   * @brief  RTC Time structure definition
67   */
68 typedef struct
69 {
70   uint8_t RTC_Hours;    /*!< Specifies the RTC Time Hour.
71                         This parameter must be set to a value in the 0-12 range
72                         if the RTC_HourFormat_12 is selected or 0-23 range if
73                         the RTC_HourFormat_24 is selected. */
74 
75   uint8_t RTC_Minutes;  /*!< Specifies the RTC Time Minutes.
76                         This parameter must be set to a value in the 0-59 range. */
77 
78   uint8_t RTC_Seconds;  /*!< Specifies the RTC Time Seconds.
79                         This parameter must be set to a value in the 0-59 range. */
80 
81   uint8_t RTC_H12;      /*!< Specifies the RTC AM/PM Time.
82                         This parameter can be a value of @ref RTC_AM_PM_Definitions */
83 }RTC_TimeTypeDef;
84 
85 /**
86   * @brief  RTC Date structure definition
87   */
88 typedef struct
89 {
90   uint8_t RTC_WeekDay; /*!< Specifies the RTC Date WeekDay.
91                         This parameter can be a value of @ref RTC_WeekDay_Definitions */
92 
93   uint8_t RTC_Month;   /*!< Specifies the RTC Date Month (in BCD format).
94                         This parameter can be a value of @ref RTC_Month_Date_Definitions */
95 
96   uint8_t RTC_Date;     /*!< Specifies the RTC Date.
97                         This parameter must be set to a value in the 1-31 range. */
98 
99   uint8_t RTC_Year;     /*!< Specifies the RTC Date Year.
100                         This parameter must be set to a value in the 0-99 range. */
101 }RTC_DateTypeDef;
102 
103 /**
104   * @brief  RTC Alarm structure definition
105   */
106 typedef struct
107 {
108   RTC_TimeTypeDef RTC_AlarmTime;     /*!< Specifies the RTC Alarm Time members. */
109 
110   uint32_t RTC_AlarmMask;            /*!< Specifies the RTC Alarm Masks.
111                                      This parameter can be a value of @ref RTC_AlarmMask_Definitions */
112 
113   uint32_t RTC_AlarmDateWeekDaySel;  /*!< Specifies the RTC Alarm is on Date or WeekDay.
114                                      This parameter can be a value of @ref RTC_AlarmDateWeekDay_Definitions */
115 
116   uint8_t RTC_AlarmDateWeekDay;      /*!< Specifies the RTC Alarm Date/WeekDay.
117                                      If the Alarm Date is selected, this parameter
118                                      must be set to a value in the 1-31 range.
119                                      If the Alarm WeekDay is selected, this
120                                      parameter can be a value of @ref RTC_WeekDay_Definitions */
121 }RTC_AlarmTypeDef;
122 
123 /* Exported constants --------------------------------------------------------*/
124 
125 /** @defgroup RTC_Exported_Constants
126   * @{
127   */
128 
129 
130 /** @defgroup RTC_Hour_Formats
131   * @{
132   */
133 #define RTC_HourFormat_24              ((uint32_t)0x00000000)
134 #define RTC_HourFormat_12              ((uint32_t)0x00000040)
135 #define IS_RTC_HOUR_FORMAT(FORMAT)     (((FORMAT) == RTC_HourFormat_12) || \
136                                         ((FORMAT) == RTC_HourFormat_24))
137 /**
138   * @}
139   */
140 
141 /** @defgroup RTC_Asynchronous_Predivider
142   * @{
143   */
144 #define IS_RTC_ASYNCH_PREDIV(PREDIV)   ((PREDIV) <= 0x7F)
145 
146 /**
147   * @}
148   */
149 
150 
151 /** @defgroup RTC_Synchronous_Predivider
152   * @{
153   */
154 #define IS_RTC_SYNCH_PREDIV(PREDIV)    ((PREDIV) <= 0x7FFF)
155 
156 /**
157   * @}
158   */
159 
160 /** @defgroup RTC_Time_Definitions
161   * @{
162   */
163 #define IS_RTC_HOUR12(HOUR)            (((HOUR) > 0) && ((HOUR) <= 12))
164 #define IS_RTC_HOUR24(HOUR)            ((HOUR) <= 23)
165 #define IS_RTC_MINUTES(MINUTES)        ((MINUTES) <= 59)
166 #define IS_RTC_SECONDS(SECONDS)        ((SECONDS) <= 59)
167 
168 /**
169   * @}
170   */
171 
172 /** @defgroup RTC_AM_PM_Definitions
173   * @{
174   */
175 #define RTC_H12_AM                     ((uint8_t)0x00)
176 #define RTC_H12_PM                     ((uint8_t)0x40)
177 #define IS_RTC_H12(PM) (((PM) == RTC_H12_AM) || ((PM) == RTC_H12_PM))
178 
179 /**
180   * @}
181   */
182 
183 /** @defgroup RTC_Year_Date_Definitions
184   * @{
185   */
186 #define IS_RTC_YEAR(YEAR)              ((YEAR) <= 99)
187 
188 /**
189   * @}
190   */
191 
192 /** @defgroup RTC_Month_Date_Definitions
193   * @{
194   */
195 
196 /* Coded in BCD format */
197 #define RTC_Month_January              ((uint8_t)0x01)
198 #define RTC_Month_February             ((uint8_t)0x02)
199 #define RTC_Month_March                ((uint8_t)0x03)
200 #define RTC_Month_April                ((uint8_t)0x04)
201 #define RTC_Month_May                  ((uint8_t)0x05)
202 #define RTC_Month_June                 ((uint8_t)0x06)
203 #define RTC_Month_July                 ((uint8_t)0x07)
204 #define RTC_Month_August               ((uint8_t)0x08)
205 #define RTC_Month_September            ((uint8_t)0x09)
206 #define RTC_Month_October              ((uint8_t)0x10)
207 #define RTC_Month_November             ((uint8_t)0x11)
208 #define RTC_Month_December             ((uint8_t)0x12)
209 #define IS_RTC_MONTH(MONTH)            (((MONTH) >= 1) && ((MONTH) <= 12))
210 #define IS_RTC_DATE(DATE)              (((DATE) >= 1) && ((DATE) <= 31))
211 
212 /**
213   * @}
214   */
215 
216 /** @defgroup RTC_WeekDay_Definitions
217   * @{
218   */
219 
220 #define RTC_Weekday_Monday             ((uint8_t)0x01)
221 #define RTC_Weekday_Tuesday            ((uint8_t)0x02)
222 #define RTC_Weekday_Wednesday          ((uint8_t)0x03)
223 #define RTC_Weekday_Thursday           ((uint8_t)0x04)
224 #define RTC_Weekday_Friday             ((uint8_t)0x05)
225 #define RTC_Weekday_Saturday           ((uint8_t)0x06)
226 #define RTC_Weekday_Sunday             ((uint8_t)0x07)
227 #define IS_RTC_WEEKDAY(WEEKDAY) (((WEEKDAY) == RTC_Weekday_Monday) || \
228                                  ((WEEKDAY) == RTC_Weekday_Tuesday) || \
229                                  ((WEEKDAY) == RTC_Weekday_Wednesday) || \
230                                  ((WEEKDAY) == RTC_Weekday_Thursday) || \
231                                  ((WEEKDAY) == RTC_Weekday_Friday) || \
232                                  ((WEEKDAY) == RTC_Weekday_Saturday) || \
233                                  ((WEEKDAY) == RTC_Weekday_Sunday))
234 /**
235   * @}
236   */
237 
238 
239 /** @defgroup RTC_Alarm_Definitions
240   * @{
241   */
242 #define IS_RTC_ALARM_DATE_WEEKDAY_DATE(DATE) (((DATE) > 0) && ((DATE) <= 31))
243 #define IS_RTC_ALARM_DATE_WEEKDAY_WEEKDAY(WEEKDAY) (((WEEKDAY) == RTC_Weekday_Monday) || \
244                                                     ((WEEKDAY) == RTC_Weekday_Tuesday) || \
245                                                     ((WEEKDAY) == RTC_Weekday_Wednesday) || \
246                                                     ((WEEKDAY) == RTC_Weekday_Thursday) || \
247                                                     ((WEEKDAY) == RTC_Weekday_Friday) || \
248                                                     ((WEEKDAY) == RTC_Weekday_Saturday) || \
249                                                     ((WEEKDAY) == RTC_Weekday_Sunday))
250 
251 /**
252   * @}
253   */
254 
255 
256 /** @defgroup RTC_AlarmDateWeekDay_Definitions
257   * @{
258   */
259 #define RTC_AlarmDateWeekDaySel_Date      ((uint32_t)0x00000000)
260 #define RTC_AlarmDateWeekDaySel_WeekDay   ((uint32_t)0x40000000)
261 
262 #define IS_RTC_ALARM_DATE_WEEKDAY_SEL(SEL) (((SEL) == RTC_AlarmDateWeekDaySel_Date) || \
263                                             ((SEL) == RTC_AlarmDateWeekDaySel_WeekDay))
264 
265 /**
266   * @}
267   */
268 
269 
270 /** @defgroup RTC_AlarmMask_Definitions
271   * @{
272   */
273 #define RTC_AlarmMask_None                ((uint32_t)0x00000000)
274 #define RTC_AlarmMask_DateWeekDay         ((uint32_t)0x80000000)
275 #define RTC_AlarmMask_Hours               ((uint32_t)0x00800000)
276 #define RTC_AlarmMask_Minutes             ((uint32_t)0x00008000)
277 #define RTC_AlarmMask_Seconds             ((uint32_t)0x00000080)
278 #define RTC_AlarmMask_All                 ((uint32_t)0x80808080)
279 #define IS_ALARM_MASK(MASK)  (((MASK) & 0x7F7F7F7F) == (uint32_t)RESET)
280 
281 /**
282   * @}
283   */
284 
285 /** @defgroup RTC_Alarms_Definitions
286   * @{
287   */
288 #define RTC_Alarm_A                       ((uint32_t)0x00000100)
289 #define RTC_Alarm_B                       ((uint32_t)0x00000200)
290 #define IS_RTC_ALARM(ALARM)     (((ALARM) == RTC_Alarm_A) || ((ALARM) == RTC_Alarm_B))
291 #define IS_RTC_CMD_ALARM(ALARM) (((ALARM) & (RTC_Alarm_A | RTC_Alarm_B)) != (uint32_t)RESET)
292 
293 /**
294   * @}
295   */
296 
297   /** @defgroup RTC_Alarm_Sub_Seconds_Masks_Definitions
298   * @{
299   */
300 #define RTC_AlarmSubSecondMask_All         ((uint32_t)0x00000000) /*!< All Alarm SS fields are masked.
301                                                                        There is no comparison on sub seconds
302                                                                        for Alarm */
303 #define RTC_AlarmSubSecondMask_SS14_1      ((uint32_t)0x01000000) /*!< SS[14:1] are don't care in Alarm
304                                                                        comparison. Only SS[0] is compared. */
305 #define RTC_AlarmSubSecondMask_SS14_2      ((uint32_t)0x02000000) /*!< SS[14:2] are don't care in Alarm
306                                                                        comparison. Only SS[1:0] are compared */
307 #define RTC_AlarmSubSecondMask_SS14_3      ((uint32_t)0x03000000) /*!< SS[14:3] are don't care in Alarm
308                                                                        comparison. Only SS[2:0] are compared */
309 #define RTC_AlarmSubSecondMask_SS14_4      ((uint32_t)0x04000000) /*!< SS[14:4] are don't care in Alarm
310                                                                        comparison. Only SS[3:0] are compared */
311 #define RTC_AlarmSubSecondMask_SS14_5      ((uint32_t)0x05000000) /*!< SS[14:5] are don't care in Alarm
312                                                                        comparison. Only SS[4:0] are compared */
313 #define RTC_AlarmSubSecondMask_SS14_6      ((uint32_t)0x06000000) /*!< SS[14:6] are don't care in Alarm
314                                                                        comparison. Only SS[5:0] are compared */
315 #define RTC_AlarmSubSecondMask_SS14_7      ((uint32_t)0x07000000) /*!< SS[14:7] are don't care in Alarm
316                                                                        comparison. Only SS[6:0] are compared */
317 #define RTC_AlarmSubSecondMask_SS14_8      ((uint32_t)0x08000000) /*!< SS[14:8] are don't care in Alarm
318                                                                        comparison. Only SS[7:0] are compared */
319 #define RTC_AlarmSubSecondMask_SS14_9      ((uint32_t)0x09000000) /*!< SS[14:9] are don't care in Alarm
320                                                                        comparison. Only SS[8:0] are compared */
321 #define RTC_AlarmSubSecondMask_SS14_10     ((uint32_t)0x0A000000) /*!< SS[14:10] are don't care in Alarm
322                                                                        comparison. Only SS[9:0] are compared */
323 #define RTC_AlarmSubSecondMask_SS14_11     ((uint32_t)0x0B000000) /*!< SS[14:11] are don't care in Alarm
324                                                                        comparison. Only SS[10:0] are compared */
325 #define RTC_AlarmSubSecondMask_SS14_12     ((uint32_t)0x0C000000) /*!< SS[14:12] are don't care in Alarm
326                                                                        comparison.Only SS[11:0] are compared */
327 #define RTC_AlarmSubSecondMask_SS14_13     ((uint32_t)0x0D000000) /*!< SS[14:13] are don't care in Alarm
328                                                                        comparison. Only SS[12:0] are compared */
329 #define RTC_AlarmSubSecondMask_SS14        ((uint32_t)0x0E000000) /*!< SS[14] is don't care in Alarm
330                                                                        comparison.Only SS[13:0] are compared */
331 #define RTC_AlarmSubSecondMask_None        ((uint32_t)0x0F000000) /*!< SS[14:0] are compared and must match
332                                                                        to activate alarm. */
333 #define IS_RTC_ALARM_SUB_SECOND_MASK(MASK)   (((MASK) == RTC_AlarmSubSecondMask_All) || \
334                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_1) || \
335                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_2) || \
336                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_3) || \
337                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_4) || \
338                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_5) || \
339                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_6) || \
340                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_7) || \
341                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_8) || \
342                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_9) || \
343                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_10) || \
344                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_11) || \
345                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_12) || \
346                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_13) || \
347                                               ((MASK) == RTC_AlarmSubSecondMask_SS14) || \
348                                               ((MASK) == RTC_AlarmSubSecondMask_None))
349 /**
350   * @}
351   */
352 
353 /** @defgroup RTC_Alarm_Sub_Seconds_Value
354   * @{
355   */
356 
357 #define IS_RTC_ALARM_SUB_SECOND_VALUE(VALUE) ((VALUE) <= 0x00007FFF)
358 
359 /**
360   * @}
361   */
362 
363 /** @defgroup RTC_Wakeup_Timer_Definitions
364   * @{
365   */
366 #define RTC_WakeUpClock_RTCCLK_Div16        ((uint32_t)0x00000000)
367 #define RTC_WakeUpClock_RTCCLK_Div8         ((uint32_t)0x00000001)
368 #define RTC_WakeUpClock_RTCCLK_Div4         ((uint32_t)0x00000002)
369 #define RTC_WakeUpClock_RTCCLK_Div2         ((uint32_t)0x00000003)
370 #define RTC_WakeUpClock_CK_SPRE_16bits      ((uint32_t)0x00000004)
371 #define RTC_WakeUpClock_CK_SPRE_17bits      ((uint32_t)0x00000006)
372 #define IS_RTC_WAKEUP_CLOCK(CLOCK) (((CLOCK) == RTC_WakeUpClock_RTCCLK_Div16) || \
373                                     ((CLOCK) == RTC_WakeUpClock_RTCCLK_Div8) || \
374                                     ((CLOCK) == RTC_WakeUpClock_RTCCLK_Div4) || \
375                                     ((CLOCK) == RTC_WakeUpClock_RTCCLK_Div2) || \
376                                     ((CLOCK) == RTC_WakeUpClock_CK_SPRE_16bits) || \
377                                     ((CLOCK) == RTC_WakeUpClock_CK_SPRE_17bits))
378 #define IS_RTC_WAKEUP_COUNTER(COUNTER)  ((COUNTER) <= 0xFFFF)
379 /**
380   * @}
381   */
382 
383 /** @defgroup RTC_Time_Stamp_Edges_definitions
384   * @{
385   */
386 #define RTC_TimeStampEdge_Rising          ((uint32_t)0x00000000)
387 #define RTC_TimeStampEdge_Falling         ((uint32_t)0x00000008)
388 #define IS_RTC_TIMESTAMP_EDGE(EDGE) (((EDGE) == RTC_TimeStampEdge_Rising) || \
389                                      ((EDGE) == RTC_TimeStampEdge_Falling))
390 /**
391   * @}
392   */
393 
394 /** @defgroup RTC_Output_selection_Definitions
395   * @{
396   */
397 #define RTC_Output_Disable             ((uint32_t)0x00000000)
398 #define RTC_Output_AlarmA              ((uint32_t)0x00200000)
399 #define RTC_Output_AlarmB              ((uint32_t)0x00400000)
400 #define RTC_Output_WakeUp              ((uint32_t)0x00600000)
401 
402 #define IS_RTC_OUTPUT(OUTPUT) (((OUTPUT) == RTC_Output_Disable) || \
403                                ((OUTPUT) == RTC_Output_AlarmA) || \
404                                ((OUTPUT) == RTC_Output_AlarmB) || \
405                                ((OUTPUT) == RTC_Output_WakeUp))
406 
407 /**
408   * @}
409   */
410 
411 /** @defgroup RTC_Output_Polarity_Definitions
412   * @{
413   */
414 #define RTC_OutputPolarity_High           ((uint32_t)0x00000000)
415 #define RTC_OutputPolarity_Low            ((uint32_t)0x00100000)
416 #define IS_RTC_OUTPUT_POL(POL) (((POL) == RTC_OutputPolarity_High) || \
417                                 ((POL) == RTC_OutputPolarity_Low))
418 /**
419   * @}
420   */
421 
422 
423 /** @defgroup RTC_Digital_Calibration_Definitions
424   * @{
425   */
426 #define RTC_CalibSign_Positive            ((uint32_t)0x00000000)
427 #define RTC_CalibSign_Negative            ((uint32_t)0x00000080)
428 #define IS_RTC_CALIB_SIGN(SIGN) (((SIGN) == RTC_CalibSign_Positive) || \
429                                  ((SIGN) == RTC_CalibSign_Negative))
430 #define IS_RTC_CALIB_VALUE(VALUE) ((VALUE) < 0x20)
431 
432 /**
433   * @}
434   */
435 
436  /** @defgroup RTC_Calib_Output_selection_Definitions
437   * @{
438   */
439 #define RTC_CalibOutput_512Hz            ((uint32_t)0x00000000)
440 #define RTC_CalibOutput_1Hz              ((uint32_t)0x00080000)
441 #define IS_RTC_CALIB_OUTPUT(OUTPUT)  (((OUTPUT) == RTC_CalibOutput_512Hz) || \
442                                       ((OUTPUT) == RTC_CalibOutput_1Hz))
443 /**
444   * @}
445   */
446 
447 /** @defgroup RTC_Smooth_calib_period_Definitions
448   * @{
449   */
450 #define RTC_SmoothCalibPeriod_32sec   ((uint32_t)0x00000000) /*!<  if RTCCLK = 32768 Hz, Smooth calibation
451                                                              period is 32s,  else 2exp20 RTCCLK seconds */
452 #define RTC_SmoothCalibPeriod_16sec   ((uint32_t)0x00002000) /*!<  if RTCCLK = 32768 Hz, Smooth calibration
453                                                              period is 16s, else 2exp19 RTCCLK seconds */
454 #define RTC_SmoothCalibPeriod_8sec    ((uint32_t)0x00004000) /*!<  if RTCCLK = 32768 Hz, Smooth calibation
455                                                              period is 8s, else 2exp18 RTCCLK seconds */
456 #define IS_RTC_SMOOTH_CALIB_PERIOD(PERIOD) (((PERIOD) == RTC_SmoothCalibPeriod_32sec) || \
457                                              ((PERIOD) == RTC_SmoothCalibPeriod_16sec) || \
458                                              ((PERIOD) == RTC_SmoothCalibPeriod_8sec))
459 
460 /**
461   * @}
462   */
463 
464 /** @defgroup RTC_Smooth_calib_Plus_pulses_Definitions
465   * @{
466   */
467 #define RTC_SmoothCalibPlusPulses_Set    ((uint32_t)0x00008000) /*!<  The number of RTCCLK pulses added
468                                                                 during a X -second window = Y - CALM[8:0].
469                                                                  with Y = 512, 256, 128 when X = 32, 16, 8 */
470 #define RTC_SmoothCalibPlusPulses_Reset  ((uint32_t)0x00000000) /*!<  The number of RTCCLK pulses subbstited
471                                                                  during a 32-second window =   CALM[8:0]. */
472 #define IS_RTC_SMOOTH_CALIB_PLUS(PLUS) (((PLUS) == RTC_SmoothCalibPlusPulses_Set) || \
473                                          ((PLUS) == RTC_SmoothCalibPlusPulses_Reset))
474 
475 /**
476   * @}
477   */
478 
479 /** @defgroup RTC_Smooth_calib_Minus_pulses_Definitions
480   * @{
481   */
482 #define  IS_RTC_SMOOTH_CALIB_MINUS(VALUE) ((VALUE) <= 0x000001FF)
483 
484 /**
485   * @}
486   */
487 
488 /** @defgroup RTC_DayLightSaving_Definitions
489   * @{
490   */
491 #define RTC_DayLightSaving_SUB1H   ((uint32_t)0x00020000)
492 #define RTC_DayLightSaving_ADD1H   ((uint32_t)0x00010000)
493 #define IS_RTC_DAYLIGHT_SAVING(SAVE) (((SAVE) == RTC_DayLightSaving_SUB1H) || \
494                                       ((SAVE) == RTC_DayLightSaving_ADD1H))
495 
496 #define RTC_StoreOperation_Reset        ((uint32_t)0x00000000)
497 #define RTC_StoreOperation_Set          ((uint32_t)0x00040000)
498 #define IS_RTC_STORE_OPERATION(OPERATION) (((OPERATION) == RTC_StoreOperation_Reset) || \
499                                            ((OPERATION) == RTC_StoreOperation_Set))
500 /**
501   * @}
502   */
503 
504 /** @defgroup RTC_Tamper_Trigger_Definitions
505   * @{
506   */
507 #define RTC_TamperTrigger_RisingEdge            ((uint32_t)0x00000000)
508 #define RTC_TamperTrigger_FallingEdge           ((uint32_t)0x00000001)
509 #define RTC_TamperTrigger_LowLevel              ((uint32_t)0x00000000)
510 #define RTC_TamperTrigger_HighLevel             ((uint32_t)0x00000001)
511 #define IS_RTC_TAMPER_TRIGGER(TRIGGER) (((TRIGGER) == RTC_TamperTrigger_RisingEdge) || \
512                                         ((TRIGGER) == RTC_TamperTrigger_FallingEdge) || \
513                                         ((TRIGGER) == RTC_TamperTrigger_LowLevel) || \
514                                         ((TRIGGER) == RTC_TamperTrigger_HighLevel))
515 
516 /**
517   * @}
518   */
519 
520 /** @defgroup RTC_Tamper_Filter_Definitions
521   * @{
522   */
523 #define RTC_TamperFilter_Disable   ((uint32_t)0x00000000) /*!< Tamper filter is disabled */
524 
525 #define RTC_TamperFilter_2Sample   ((uint32_t)0x00000800) /*!< Tamper is activated after 2
526                                                           consecutive samples at the active level */
527 #define RTC_TamperFilter_4Sample   ((uint32_t)0x00001000) /*!< Tamper is activated after 4
528                                                           consecutive samples at the active level */
529 #define RTC_TamperFilter_8Sample   ((uint32_t)0x00001800) /*!< Tamper is activated after 8
530                                                           consecutive samples at the active level. */
531 #define IS_RTC_TAMPER_FILTER(FILTER) (((FILTER) == RTC_TamperFilter_Disable) || \
532                                       ((FILTER) == RTC_TamperFilter_2Sample) || \
533                                       ((FILTER) == RTC_TamperFilter_4Sample) || \
534                                       ((FILTER) == RTC_TamperFilter_8Sample))
535 /**
536   * @}
537   */
538 
539 /** @defgroup RTC_Tamper_Sampling_Frequencies_Definitions
540   * @{
541   */
542 #define RTC_TamperSamplingFreq_RTCCLK_Div32768  ((uint32_t)0x00000000) /*!< Each of the tamper inputs are sampled
543                                                                            with a frequency =  RTCCLK / 32768 */
544 #define RTC_TamperSamplingFreq_RTCCLK_Div16384  ((uint32_t)0x000000100) /*!< Each of the tamper inputs are sampled
545                                                                             with a frequency =  RTCCLK / 16384 */
546 #define RTC_TamperSamplingFreq_RTCCLK_Div8192   ((uint32_t)0x00000200) /*!< Each of the tamper inputs are sampled
547                                                                            with a frequency =  RTCCLK / 8192  */
548 #define RTC_TamperSamplingFreq_RTCCLK_Div4096   ((uint32_t)0x00000300) /*!< Each of the tamper inputs are sampled
549                                                                            with a frequency =  RTCCLK / 4096  */
550 #define RTC_TamperSamplingFreq_RTCCLK_Div2048   ((uint32_t)0x00000400) /*!< Each of the tamper inputs are sampled
551                                                                            with a frequency =  RTCCLK / 2048  */
552 #define RTC_TamperSamplingFreq_RTCCLK_Div1024   ((uint32_t)0x00000500) /*!< Each of the tamper inputs are sampled
553                                                                            with a frequency =  RTCCLK / 1024  */
554 #define RTC_TamperSamplingFreq_RTCCLK_Div512    ((uint32_t)0x00000600) /*!< Each of the tamper inputs are sampled
555                                                                            with a frequency =  RTCCLK / 512   */
556 #define RTC_TamperSamplingFreq_RTCCLK_Div256    ((uint32_t)0x00000700) /*!< Each of the tamper inputs are sampled
557                                                                            with a frequency =  RTCCLK / 256   */
558 #define IS_RTC_TAMPER_SAMPLING_FREQ(FREQ) (((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div32768) || \
559                                            ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div16384) || \
560                                            ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div8192) || \
561                                            ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div4096) || \
562                                            ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div2048) || \
563                                            ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div1024) || \
564                                            ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div512) || \
565                                            ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div256))
566 
567 /**
568   * @}
569   */
570 
571   /** @defgroup RTC_Tamper_Pin_Precharge_Duration_Definitions
572   * @{
573   */
574 #define RTC_TamperPrechargeDuration_1RTCCLK ((uint32_t)0x00000000)  /*!< Tamper pins are pre-charged before
575                                                                          sampling during 1 RTCCLK cycle */
576 #define RTC_TamperPrechargeDuration_2RTCCLK ((uint32_t)0x00002000)  /*!< Tamper pins are pre-charged before
577                                                                          sampling during 2 RTCCLK cycles */
578 #define RTC_TamperPrechargeDuration_4RTCCLK ((uint32_t)0x00004000)  /*!< Tamper pins are pre-charged before
579                                                                          sampling during 4 RTCCLK cycles */
580 #define RTC_TamperPrechargeDuration_8RTCCLK ((uint32_t)0x00006000)  /*!< Tamper pins are pre-charged before
581                                                                          sampling during 8 RTCCLK cycles */
582 
583 #define IS_RTC_TAMPER_PRECHARGE_DURATION(DURATION) (((DURATION) == RTC_TamperPrechargeDuration_1RTCCLK) || \
584                                                     ((DURATION) == RTC_TamperPrechargeDuration_2RTCCLK) || \
585                                                     ((DURATION) == RTC_TamperPrechargeDuration_4RTCCLK) || \
586                                                     ((DURATION) == RTC_TamperPrechargeDuration_8RTCCLK))
587 /**
588   * @}
589   */
590 
591 /** @defgroup RTC_Tamper_Pins_Definitions
592   * @{
593   */
594 #define RTC_Tamper_1                    RTC_TAFCR_TAMP1E
595 #define IS_RTC_TAMPER(TAMPER) (((TAMPER) == RTC_Tamper_1))
596 
597 /**
598   * @}
599   */
600 
601 /** @defgroup RTC_Tamper_Pin_Selection
602   * @{
603   */
604 #define RTC_TamperPin_PC13                 ((uint32_t)0x00000000)
605 #define RTC_TamperPin_PI8                  ((uint32_t)0x00010000)
606 #define IS_RTC_TAMPER_PIN(PIN) (((PIN) == RTC_TamperPin_PC13) || \
607                                 ((PIN) == RTC_TamperPin_PI8))
608 /**
609   * @}
610   */
611 
612 /** @defgroup RTC_TimeStamp_Pin_Selection
613   * @{
614   */
615 #define RTC_TimeStampPin_PC13              ((uint32_t)0x00000000)
616 #define RTC_TimeStampPin_PI8               ((uint32_t)0x00020000)
617 #define IS_RTC_TIMESTAMP_PIN(PIN) (((PIN) == RTC_TimeStampPin_PC13) || \
618                                    ((PIN) == RTC_TimeStampPin_PI8))
619 /**
620   * @}
621   */
622 
623 /** @defgroup RTC_Output_Type_ALARM_OUT
624   * @{
625   */
626 #define RTC_OutputType_OpenDrain           ((uint32_t)0x00000000)
627 #define RTC_OutputType_PushPull            ((uint32_t)0x00040000)
628 #define IS_RTC_OUTPUT_TYPE(TYPE) (((TYPE) == RTC_OutputType_OpenDrain) || \
629                                   ((TYPE) == RTC_OutputType_PushPull))
630 
631 /**
632   * @}
633   */
634 
635 /** @defgroup RTC_Add_1_Second_Parameter_Definitions
636   * @{
637   */
638 #define RTC_ShiftAdd1S_Reset      ((uint32_t)0x00000000)
639 #define RTC_ShiftAdd1S_Set        ((uint32_t)0x80000000)
640 #define IS_RTC_SHIFT_ADD1S(SEL) (((SEL) == RTC_ShiftAdd1S_Reset) || \
641                                  ((SEL) == RTC_ShiftAdd1S_Set))
642 /**
643   * @}
644   */
645 
646 /** @defgroup RTC_Substract_Fraction_Of_Second_Value
647   * @{
648   */
649 #define IS_RTC_SHIFT_SUBFS(FS) ((FS) <= 0x00007FFF)
650 
651 /**
652   * @}
653   */
654 
655 /** @defgroup RTC_Backup_Registers_Definitions
656   * @{
657   */
658 
659 #define RTC_BKP_DR0                       ((uint32_t)0x00000000)
660 #define RTC_BKP_DR1                       ((uint32_t)0x00000001)
661 #define RTC_BKP_DR2                       ((uint32_t)0x00000002)
662 #define RTC_BKP_DR3                       ((uint32_t)0x00000003)
663 #define RTC_BKP_DR4                       ((uint32_t)0x00000004)
664 #define RTC_BKP_DR5                       ((uint32_t)0x00000005)
665 #define RTC_BKP_DR6                       ((uint32_t)0x00000006)
666 #define RTC_BKP_DR7                       ((uint32_t)0x00000007)
667 #define RTC_BKP_DR8                       ((uint32_t)0x00000008)
668 #define RTC_BKP_DR9                       ((uint32_t)0x00000009)
669 #define RTC_BKP_DR10                      ((uint32_t)0x0000000A)
670 #define RTC_BKP_DR11                      ((uint32_t)0x0000000B)
671 #define RTC_BKP_DR12                      ((uint32_t)0x0000000C)
672 #define RTC_BKP_DR13                      ((uint32_t)0x0000000D)
673 #define RTC_BKP_DR14                      ((uint32_t)0x0000000E)
674 #define RTC_BKP_DR15                      ((uint32_t)0x0000000F)
675 #define RTC_BKP_DR16                      ((uint32_t)0x00000010)
676 #define RTC_BKP_DR17                      ((uint32_t)0x00000011)
677 #define RTC_BKP_DR18                      ((uint32_t)0x00000012)
678 #define RTC_BKP_DR19                      ((uint32_t)0x00000013)
679 #define IS_RTC_BKP(BKP)                   (((BKP) == RTC_BKP_DR0) || \
680                                            ((BKP) == RTC_BKP_DR1) || \
681                                            ((BKP) == RTC_BKP_DR2) || \
682                                            ((BKP) == RTC_BKP_DR3) || \
683                                            ((BKP) == RTC_BKP_DR4) || \
684                                            ((BKP) == RTC_BKP_DR5) || \
685                                            ((BKP) == RTC_BKP_DR6) || \
686                                            ((BKP) == RTC_BKP_DR7) || \
687                                            ((BKP) == RTC_BKP_DR8) || \
688                                            ((BKP) == RTC_BKP_DR9) || \
689                                            ((BKP) == RTC_BKP_DR10) || \
690                                            ((BKP) == RTC_BKP_DR11) || \
691                                            ((BKP) == RTC_BKP_DR12) || \
692                                            ((BKP) == RTC_BKP_DR13) || \
693                                            ((BKP) == RTC_BKP_DR14) || \
694                                            ((BKP) == RTC_BKP_DR15) || \
695                                            ((BKP) == RTC_BKP_DR16) || \
696                                            ((BKP) == RTC_BKP_DR17) || \
697                                            ((BKP) == RTC_BKP_DR18) || \
698                                            ((BKP) == RTC_BKP_DR19))
699 /**
700   * @}
701   */
702 
703 /** @defgroup RTC_Input_parameter_format_definitions
704   * @{
705   */
706 #define RTC_Format_BIN                    ((uint32_t)0x000000000)
707 #define RTC_Format_BCD                    ((uint32_t)0x000000001)
708 #define IS_RTC_FORMAT(FORMAT) (((FORMAT) == RTC_Format_BIN) || ((FORMAT) == RTC_Format_BCD))
709 
710 /**
711   * @}
712   */
713 
714 /** @defgroup RTC_Flags_Definitions
715   * @{
716   */
717 #define RTC_FLAG_RECALPF                  ((uint32_t)0x00010000)
718 #define RTC_FLAG_TAMP1F                   ((uint32_t)0x00002000)
719 #define RTC_FLAG_TSOVF                    ((uint32_t)0x00001000)
720 #define RTC_FLAG_TSF                      ((uint32_t)0x00000800)
721 #define RTC_FLAG_WUTF                     ((uint32_t)0x00000400)
722 #define RTC_FLAG_ALRBF                    ((uint32_t)0x00000200)
723 #define RTC_FLAG_ALRAF                    ((uint32_t)0x00000100)
724 #define RTC_FLAG_INITF                    ((uint32_t)0x00000040)
725 #define RTC_FLAG_RSF                      ((uint32_t)0x00000020)
726 #define RTC_FLAG_INITS                    ((uint32_t)0x00000010)
727 #define RTC_FLAG_SHPF                     ((uint32_t)0x00000008)
728 #define RTC_FLAG_WUTWF                    ((uint32_t)0x00000004)
729 #define RTC_FLAG_ALRBWF                   ((uint32_t)0x00000002)
730 #define RTC_FLAG_ALRAWF                   ((uint32_t)0x00000001)
731 #define IS_RTC_GET_FLAG(FLAG) (((FLAG) == RTC_FLAG_TSOVF) || ((FLAG) == RTC_FLAG_TSF) || \
732                                ((FLAG) == RTC_FLAG_WUTF) || ((FLAG) == RTC_FLAG_ALRBF) || \
733                                ((FLAG) == RTC_FLAG_ALRAF) || ((FLAG) == RTC_FLAG_INITF) || \
734                                ((FLAG) == RTC_FLAG_RSF) || ((FLAG) == RTC_FLAG_WUTWF) || \
735                                ((FLAG) == RTC_FLAG_ALRBWF) || ((FLAG) == RTC_FLAG_ALRAWF) || \
736                                ((FLAG) == RTC_FLAG_TAMP1F) || ((FLAG) == RTC_FLAG_RECALPF) || \
737                                 ((FLAG) == RTC_FLAG_SHPF))
738 #define IS_RTC_CLEAR_FLAG(FLAG) (((FLAG) != (uint32_t)RESET) && (((FLAG) & 0xFFFF00DF) == (uint32_t)RESET))
739 /**
740   * @}
741   */
742 
743 /** @defgroup RTC_Interrupts_Definitions
744   * @{
745   */
746 #define RTC_IT_TS                         ((uint32_t)0x00008000)
747 #define RTC_IT_WUT                        ((uint32_t)0x00004000)
748 #define RTC_IT_ALRB                       ((uint32_t)0x00002000)
749 #define RTC_IT_ALRA                       ((uint32_t)0x00001000)
750 #define RTC_IT_TAMP                       ((uint32_t)0x00000004) /* Used only to Enable the Tamper Interrupt */
751 #define RTC_IT_TAMP1                      ((uint32_t)0x00020000)
752 
753 #define IS_RTC_CONFIG_IT(IT) (((IT) != (uint32_t)RESET) && (((IT) & 0xFFFF0FFB) == (uint32_t)RESET))
754 #define IS_RTC_GET_IT(IT) (((IT) == RTC_IT_TS) || ((IT) == RTC_IT_WUT) || \
755                            ((IT) == RTC_IT_ALRB) || ((IT) == RTC_IT_ALRA) || \
756                            ((IT) == RTC_IT_TAMP1))
757 #define IS_RTC_CLEAR_IT(IT) (((IT) != (uint32_t)RESET) && (((IT) & 0xFFFD0FFF) == (uint32_t)RESET))
758 
759 /**
760   * @}
761   */
762 
763 /** @defgroup RTC_Legacy
764   * @{
765   */
766 #define RTC_DigitalCalibConfig  RTC_CoarseCalibConfig
767 #define RTC_DigitalCalibCmd     RTC_CoarseCalibCmd
768 
769 /**
770   * @}
771   */
772 
773 /**
774   * @}
775   */
776 
777 /* Exported macro ------------------------------------------------------------*/
778 /* Exported functions --------------------------------------------------------*/
779 
780 /*  Function used to set the RTC configuration to the default reset state *****/
781 ErrorStatus RTC_DeInit(void);
782 
783 /* Initialization and Configuration functions *********************************/
784 ErrorStatus RTC_Init(RTC_InitTypeDef* RTC_InitStruct);
785 void RTC_StructInit(RTC_InitTypeDef* RTC_InitStruct);
786 void RTC_WriteProtectionCmd(FunctionalState NewState);
787 ErrorStatus RTC_EnterInitMode(void);
788 void RTC_ExitInitMode(void);
789 ErrorStatus RTC_WaitForSynchro(void);
790 ErrorStatus RTC_RefClockCmd(FunctionalState NewState);
791 void RTC_BypassShadowCmd(FunctionalState NewState);
792 
793 /* Time and Date configuration functions **************************************/
794 ErrorStatus RTC_SetTime(uint32_t RTC_Format, RTC_TimeTypeDef* RTC_TimeStruct);
795 void RTC_TimeStructInit(RTC_TimeTypeDef* RTC_TimeStruct);
796 void RTC_GetTime(uint32_t RTC_Format, RTC_TimeTypeDef* RTC_TimeStruct);
797 uint32_t RTC_GetSubSecond(void);
798 ErrorStatus RTC_SetDate(uint32_t RTC_Format, RTC_DateTypeDef* RTC_DateStruct);
799 void RTC_DateStructInit(RTC_DateTypeDef* RTC_DateStruct);
800 void RTC_GetDate(uint32_t RTC_Format, RTC_DateTypeDef* RTC_DateStruct);
801 
802 /* Alarms (Alarm A and Alarm B) configuration functions  **********************/
803 void RTC_SetAlarm(uint32_t RTC_Format, uint32_t RTC_Alarm, RTC_AlarmTypeDef* RTC_AlarmStruct);
804 void RTC_AlarmStructInit(RTC_AlarmTypeDef* RTC_AlarmStruct);
805 void RTC_GetAlarm(uint32_t RTC_Format, uint32_t RTC_Alarm, RTC_AlarmTypeDef* RTC_AlarmStruct);
806 ErrorStatus RTC_AlarmCmd(uint32_t RTC_Alarm, FunctionalState NewState);
807 void RTC_AlarmSubSecondConfig(uint32_t RTC_Alarm, uint32_t RTC_AlarmSubSecondValue, uint32_t RTC_AlarmSubSecondMask);
808 uint32_t RTC_GetAlarmSubSecond(uint32_t RTC_Alarm);
809 
810 /* WakeUp Timer configuration functions ***************************************/
811 void RTC_WakeUpClockConfig(uint32_t RTC_WakeUpClock);
812 void RTC_SetWakeUpCounter(uint32_t RTC_WakeUpCounter);
813 uint32_t RTC_GetWakeUpCounter(void);
814 ErrorStatus RTC_WakeUpCmd(FunctionalState NewState);
815 
816 /* Daylight Saving configuration functions ************************************/
817 void RTC_DayLightSavingConfig(uint32_t RTC_DayLightSaving, uint32_t RTC_StoreOperation);
818 uint32_t RTC_GetStoreOperation(void);
819 
820 /* Output pin Configuration function ******************************************/
821 void RTC_OutputConfig(uint32_t RTC_Output, uint32_t RTC_OutputPolarity);
822 
823 /* Digital Calibration configuration functions *********************************/
824 ErrorStatus RTC_CoarseCalibConfig(uint32_t RTC_CalibSign, uint32_t Value);
825 ErrorStatus RTC_CoarseCalibCmd(FunctionalState NewState);
826 void RTC_CalibOutputCmd(FunctionalState NewState);
827 void RTC_CalibOutputConfig(uint32_t RTC_CalibOutput);
828 ErrorStatus RTC_SmoothCalibConfig(uint32_t RTC_SmoothCalibPeriod,
829                                   uint32_t RTC_SmoothCalibPlusPulses,
830                                   uint32_t RTC_SmouthCalibMinusPulsesValue);
831 
832 /* TimeStamp configuration functions ******************************************/
833 void RTC_TimeStampCmd(uint32_t RTC_TimeStampEdge, FunctionalState NewState);
834 void RTC_GetTimeStamp(uint32_t RTC_Format, RTC_TimeTypeDef* RTC_StampTimeStruct,
835                                       RTC_DateTypeDef* RTC_StampDateStruct);
836 uint32_t RTC_GetTimeStampSubSecond(void);
837 
838 /* Tampers configuration functions ********************************************/
839 void RTC_TamperTriggerConfig(uint32_t RTC_Tamper, uint32_t RTC_TamperTrigger);
840 void RTC_TamperCmd(uint32_t RTC_Tamper, FunctionalState NewState);
841 void RTC_TamperFilterConfig(uint32_t RTC_TamperFilter);
842 void RTC_TamperSamplingFreqConfig(uint32_t RTC_TamperSamplingFreq);
843 void RTC_TamperPinsPrechargeDuration(uint32_t RTC_TamperPrechargeDuration);
844 void RTC_TimeStampOnTamperDetectionCmd(FunctionalState NewState);
845 void RTC_TamperPullUpCmd(FunctionalState NewState);
846 
847 /* Backup Data Registers configuration functions ******************************/
848 void RTC_WriteBackupRegister(uint32_t RTC_BKP_DR, uint32_t Data);
849 uint32_t RTC_ReadBackupRegister(uint32_t RTC_BKP_DR);
850 
851 /* RTC Tamper and TimeStamp Pins Selection and Output Type Config configuration
852    functions ******************************************************************/
853 void RTC_TamperPinSelection(uint32_t RTC_TamperPin);
854 void RTC_TimeStampPinSelection(uint32_t RTC_TimeStampPin);
855 void RTC_OutputTypeConfig(uint32_t RTC_OutputType);
856 
857 /* RTC_Shift_control_synchonisation_functions *********************************/
858 ErrorStatus RTC_SynchroShiftConfig(uint32_t RTC_ShiftAdd1S, uint32_t RTC_ShiftSubFS);
859 
860 /* Interrupts and flags management functions **********************************/
861 void RTC_ITConfig(uint32_t RTC_IT, FunctionalState NewState);
862 FlagStatus RTC_GetFlagStatus(uint32_t RTC_FLAG);
863 void RTC_ClearFlag(uint32_t RTC_FLAG);
864 ITStatus RTC_GetITStatus(uint32_t RTC_IT);
865 void RTC_ClearITPendingBit(uint32_t RTC_IT);
866 
867 #ifdef __cplusplus
868 }
869 #endif
870 
871 #endif /*__STM32F4xx_RTC_H */
872 
873 /**
874   * @}
875   */
876 
877 /**
878   * @}
879   */
880 
881 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
882