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   1 /**
   2   ******************************************************************************
   3   * @file    stm32f4xx_rtc.h
   4   * @author  MCD Application Team
   5   * @version V1.0.0RC1
   6   * @date    25-August-2011
   7   * @brief   This file contains all the functions prototypes for the RTC firmware
   8   *          library.
   9   ******************************************************************************
  10   * @attention
  11   *
  12   * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  13   * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  14   * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  15   * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  16   * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  17   * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  18   *
  19   * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
  20   ******************************************************************************
  21   */
  22
  23 /* Define to prevent recursive inclusion -------------------------------------*/
  24 #ifndef __STM32F4xx_RTC_H
  25 #define __STM32F4xx_RTC_H
  26
  27 #ifdef __cplusplus
  28  extern "C" {
  29 #endif
  30
  31 /* Includes ------------------------------------------------------------------*/
  32 #include "stm32f4xx.h"
  33
  34 /** @addtogroup STM32F4xx_StdPeriph_Driver
  35   * @{
  36   */
  37
  38 /** @addtogroup RTC
  39   * @{
  40   */
  41
  42 /* Exported types ------------------------------------------------------------*/
  43
  44 /**
  45   * @brief  RTC Init structures definition
  46   */
  47 typedef struct
  48 {
  49   uint32_t RTC_HourFormat;   /*!< Specifies the RTC Hour Format.
  50                              This parameter can be a value of @ref RTC_Hour_Formats */
  51
  52   uint32_t RTC_AsynchPrediv; /*!< Specifies the RTC Asynchronous Predivider value.
  53                              This parameter must be set to a value lower than 0x7F */
  54
  55   uint32_t RTC_SynchPrediv;  /*!< Specifies the RTC Synchronous Predivider value.
  56                              This parameter must be set to a value lower than 0x7FFF */
  57 }RTC_InitTypeDef;
  58
  59 /**
  60   * @brief  RTC Time structure definition
  61   */
  62 typedef struct
  63 {
  64   uint8_t RTC_Hours;    /*!< Specifies the RTC Time Hour.
  65                         This parameter must be set to a value in the 0-12 range
  66                         if the RTC_HourFormat_12 is selected or 0-23 range if
  67                         the RTC_HourFormat_24 is selected. */
  68
  69   uint8_t RTC_Minutes;  /*!< Specifies the RTC Time Minutes.
  70                         This parameter must be set to a value in the 0-59 range. */
  71
  72   uint8_t RTC_Seconds;  /*!< Specifies the RTC Time Seconds.
  73                         This parameter must be set to a value in the 0-59 range. */
  74
  75   uint8_t RTC_H12;      /*!< Specifies the RTC AM/PM Time.
  76                         This parameter can be a value of @ref RTC_AM_PM_Definitions */
  77 }RTC_TimeTypeDef;
  78
  79 /**
  80   * @brief  RTC Date structure definition
  81   */
  82 typedef struct
  83 {
  84   uint8_t RTC_WeekDay; /*!< Specifies the RTC Date WeekDay.
  85                         This parameter can be a value of @ref RTC_WeekDay_Definitions */
  86
  87   uint8_t RTC_Month;   /*!< Specifies the RTC Date Month (in BCD format).
  88                         This parameter can be a value of @ref RTC_Month_Date_Definitions */
  89
  90   uint8_t RTC_Date;     /*!< Specifies the RTC Date.
  91                         This parameter must be set to a value in the 1-31 range. */
  92
  93   uint8_t RTC_Year;     /*!< Specifies the RTC Date Year.
  94                         This parameter must be set to a value in the 0-99 range. */
  95 }RTC_DateTypeDef;
  96
  97 /**
  98   * @brief  RTC Alarm structure definition
  99   */
 100 typedef struct
 101 {
 102   RTC_TimeTypeDef RTC_AlarmTime;     /*!< Specifies the RTC Alarm Time members. */
 103
 104   uint32_t RTC_AlarmMask;            /*!< Specifies the RTC Alarm Masks.
 105                                      This parameter can be a value of @ref RTC_AlarmMask_Definitions */
 106
 107   uint32_t RTC_AlarmDateWeekDaySel;  /*!< Specifies the RTC Alarm is on Date or WeekDay.
 108                                      This parameter can be a value of @ref RTC_AlarmDateWeekDay_Definitions */
 109
 110   uint8_t RTC_AlarmDateWeekDay;      /*!< Specifies the RTC Alarm Date/WeekDay.
 111                                      If the Alarm Date is selected, this parameter
 112                                      must be set to a value in the 1-31 range.
 113                                      If the Alarm WeekDay is selected, this
 114                                      parameter can be a value of @ref RTC_WeekDay_Definitions */
 115 }RTC_AlarmTypeDef;
 116
 117 /* Exported constants --------------------------------------------------------*/
 118
 119 /** @defgroup RTC_Exported_Constants
 120   * @{
 121   */
 122
 123
 124 /** @defgroup RTC_Hour_Formats
 125   * @{
 126   */
 127 #define RTC_HourFormat_24              ((uint32_t)0x00000000)
 128 #define RTC_HourFormat_12              ((uint32_t)0x00000040)
 129 #define IS_RTC_HOUR_FORMAT(FORMAT)     (((FORMAT) == RTC_HourFormat_12) || \
 130                                         ((FORMAT) == RTC_HourFormat_24))
 131 /**
 132   * @}
 133   */
 134
 135 /** @defgroup RTC_Asynchronous_Predivider
 136   * @{
 137   */
 138 #define IS_RTC_ASYNCH_PREDIV(PREDIV)   ((PREDIV) <= 0x7F)
 139
 140 /**
 141   * @}
 142   */
 143
 144
 145 /** @defgroup RTC_Synchronous_Predivider
 146   * @{
 147   */
 148 #define IS_RTC_SYNCH_PREDIV(PREDIV)    ((PREDIV) <= 0x7FFF)
 149
 150 /**
 151   * @}
 152   */
 153
 154 /** @defgroup RTC_Time_Definitions
 155   * @{
 156   */
 157 #define IS_RTC_HOUR12(HOUR)            (((HOUR) > 0) && ((HOUR) <= 12))
 158 #define IS_RTC_HOUR24(HOUR)            ((HOUR) <= 23)
 159 #define IS_RTC_MINUTES(MINUTES)        ((MINUTES) <= 59)
 160 #define IS_RTC_SECONDS(SECONDS)        ((SECONDS) <= 59)
 161
 162 /**
 163   * @}
 164   */
 165
 166 /** @defgroup RTC_AM_PM_Definitions
 167   * @{
 168   */
 169 #define RTC_H12_AM                     ((uint8_t)0x00)
 170 #define RTC_H12_PM                     ((uint8_t)0x40)
 171 #define IS_RTC_H12(PM) (((PM) == RTC_H12_AM) || ((PM) == RTC_H12_PM))
 172
 173 /**
 174   * @}
 175   */
 176
 177 /** @defgroup RTC_Year_Date_Definitions
 178   * @{
 179   */
 180 #define IS_RTC_YEAR(YEAR)              ((YEAR) <= 99)
 181
 182 /**
 183   * @}
 184   */
 185
 186 /** @defgroup RTC_Month_Date_Definitions
 187   * @{
 188   */
 189
 190 /* Coded in BCD format */
 191 #define RTC_Month_January              ((uint8_t)0x01)
 192 #define RTC_Month_February             ((uint8_t)0x02)
 193 #define RTC_Month_March                ((uint8_t)0x03)
 194 #define RTC_Month_April                ((uint8_t)0x04)
 195 #define RTC_Month_May                  ((uint8_t)0x05)
 196 #define RTC_Month_June                 ((uint8_t)0x06)
 197 #define RTC_Month_July                 ((uint8_t)0x07)
 198 #define RTC_Month_August               ((uint8_t)0x08)
 199 #define RTC_Month_September            ((uint8_t)0x09)
 200 #define RTC_Month_October              ((uint8_t)0x10)
 201 #define RTC_Month_November             ((uint8_t)0x11)
 202 #define RTC_Month_December             ((uint8_t)0x12)
 203 #define IS_RTC_MONTH(MONTH)            (((MONTH) >= 1) && ((MONTH) <= 12))
 204 #define IS_RTC_DATE(DATE)              (((DATE) >= 1) && ((DATE) <= 31))
 205
 206 /**
 207   * @}
 208   */
 209
 210 /** @defgroup RTC_WeekDay_Definitions
 211   * @{
 212   */
 213
 214 #define RTC_Weekday_Monday             ((uint8_t)0x01)
 215 #define RTC_Weekday_Tuesday            ((uint8_t)0x02)
 216 #define RTC_Weekday_Wednesday          ((uint8_t)0x03)
 217 #define RTC_Weekday_Thursday           ((uint8_t)0x04)
 218 #define RTC_Weekday_Friday             ((uint8_t)0x05)
 219 #define RTC_Weekday_Saturday           ((uint8_t)0x06)
 220 #define RTC_Weekday_Sunday             ((uint8_t)0x07)
 221 #define IS_RTC_WEEKDAY(WEEKDAY) (((WEEKDAY) == RTC_Weekday_Monday) || \
 222                                  ((WEEKDAY) == RTC_Weekday_Tuesday) || \
 223                                  ((WEEKDAY) == RTC_Weekday_Wednesday) || \
 224                                  ((WEEKDAY) == RTC_Weekday_Thursday) || \
 225                                  ((WEEKDAY) == RTC_Weekday_Friday) || \
 226                                  ((WEEKDAY) == RTC_Weekday_Saturday) || \
 227                                  ((WEEKDAY) == RTC_Weekday_Sunday))
 228 /**
 229   * @}
 230   */
 231
 232
 233 /** @defgroup RTC_Alarm_Definitions
 234   * @{
 235   */
 236 #define IS_RTC_ALARM_DATE_WEEKDAY_DATE(DATE) (((DATE) > 0) && ((DATE) <= 31))
 237 #define IS_RTC_ALARM_DATE_WEEKDAY_WEEKDAY(WEEKDAY) (((WEEKDAY) == RTC_Weekday_Monday) || \
 238                                                     ((WEEKDAY) == RTC_Weekday_Tuesday) || \
 239                                                     ((WEEKDAY) == RTC_Weekday_Wednesday) || \
 240                                                     ((WEEKDAY) == RTC_Weekday_Thursday) || \
 241                                                     ((WEEKDAY) == RTC_Weekday_Friday) || \
 242                                                     ((WEEKDAY) == RTC_Weekday_Saturday) || \
 243                                                     ((WEEKDAY) == RTC_Weekday_Sunday))
 244
 245 /**
 246   * @}
 247   */
 248
 249
 250 /** @defgroup RTC_AlarmDateWeekDay_Definitions
 251   * @{
 252   */
 253 #define RTC_AlarmDateWeekDaySel_Date      ((uint32_t)0x00000000)
 254 #define RTC_AlarmDateWeekDaySel_WeekDay   ((uint32_t)0x40000000)
 255
 256 #define IS_RTC_ALARM_DATE_WEEKDAY_SEL(SEL) (((SEL) == RTC_AlarmDateWeekDaySel_Date) || \
 257                                             ((SEL) == RTC_AlarmDateWeekDaySel_WeekDay))
 258
 259 /**
 260   * @}
 261   */
 262
 263
 264 /** @defgroup RTC_AlarmMask_Definitions
 265   * @{
 266   */
 267 #define RTC_AlarmMask_None                ((uint32_t)0x00000000)
 268 #define RTC_AlarmMask_DateWeekDay         ((uint32_t)0x80000000)
 269 #define RTC_AlarmMask_Hours               ((uint32_t)0x00800000)
 270 #define RTC_AlarmMask_Minutes             ((uint32_t)0x00008000)
 271 #define RTC_AlarmMask_Seconds             ((uint32_t)0x00000080)
 272 #define RTC_AlarmMask_All                 ((uint32_t)0x80808080)
 273 #define IS_ALARM_MASK(MASK)  (((MASK) & 0x7F7F7F7F) == (uint32_t)RESET)
 274
 275 /**
 276   * @}
 277   */
 278
 279 /** @defgroup RTC_Alarms_Definitions
 280   * @{
 281   */
 282 #define RTC_Alarm_A                       ((uint32_t)0x00000100)
 283 #define RTC_Alarm_B                       ((uint32_t)0x00000200)
 284 #define IS_RTC_ALARM(ALARM)     (((ALARM) == RTC_Alarm_A) || ((ALARM) == RTC_Alarm_B))
 285 #define IS_RTC_CMD_ALARM(ALARM) (((ALARM) & (RTC_Alarm_A | RTC_Alarm_B)) != (uint32_t)RESET)
 286
 287 /**
 288   * @}
 289   */
 290
 291   /** @defgroup RTC_Alarm_Sub_Seconds_Masks_Definitions
 292   * @{
 293   */
 294 #define RTC_AlarmSubSecondMask_All         ((uint32_t)0x00000000) /*!< All Alarm SS fields are masked.
 295                                                                        There is no comparison on sub seconds
 296                                                                        for Alarm */
 297 #define RTC_AlarmSubSecondMask_SS14_1      ((uint32_t)0x01000000) /*!< SS[14:1] are don't care in Alarm
 298                                                                        comparison. Only SS[0] is compared. */
 299 #define RTC_AlarmSubSecondMask_SS14_2      ((uint32_t)0x02000000) /*!< SS[14:2] are don't care in Alarm
 300                                                                        comparison. Only SS[1:0] are compared */
 301 #define RTC_AlarmSubSecondMask_SS14_3      ((uint32_t)0x03000000) /*!< SS[14:3] are don't care in Alarm
 302                                                                        comparison. Only SS[2:0] are compared */
 303 #define RTC_AlarmSubSecondMask_SS14_4      ((uint32_t)0x04000000) /*!< SS[14:4] are don't care in Alarm
 304                                                                        comparison. Only SS[3:0] are compared */
 305 #define RTC_AlarmSubSecondMask_SS14_5      ((uint32_t)0x05000000) /*!< SS[14:5] are don't care in Alarm
 306                                                                        comparison. Only SS[4:0] are compared */
 307 #define RTC_AlarmSubSecondMask_SS14_6      ((uint32_t)0x06000000) /*!< SS[14:6] are don't care in Alarm
 308                                                                        comparison. Only SS[5:0] are compared */
 309 #define RTC_AlarmSubSecondMask_SS14_7      ((uint32_t)0x07000000) /*!< SS[14:7] are don't care in Alarm
 310                                                                        comparison. Only SS[6:0] are compared */
 311 #define RTC_AlarmSubSecondMask_SS14_8      ((uint32_t)0x08000000) /*!< SS[14:8] are don't care in Alarm
 312                                                                        comparison. Only SS[7:0] are compared */
 313 #define RTC_AlarmSubSecondMask_SS14_9      ((uint32_t)0x09000000) /*!< SS[14:9] are don't care in Alarm
 314                                                                        comparison. Only SS[8:0] are compared */
 315 #define RTC_AlarmSubSecondMask_SS14_10     ((uint32_t)0x0A000000) /*!< SS[14:10] are don't care in Alarm
 316                                                                        comparison. Only SS[9:0] are compared */
 317 #define RTC_AlarmSubSecondMask_SS14_11     ((uint32_t)0x0B000000) /*!< SS[14:11] are don't care in Alarm
 318                                                                        comparison. Only SS[10:0] are compared */
 319 #define RTC_AlarmSubSecondMask_SS14_12     ((uint32_t)0x0C000000) /*!< SS[14:12] are don't care in Alarm
 320                                                                        comparison.Only SS[11:0] are compared */
 321 #define RTC_AlarmSubSecondMask_SS14_13     ((uint32_t)0x0D000000) /*!< SS[14:13] are don't care in Alarm
 322                                                                        comparison. Only SS[12:0] are compared */
 323 #define RTC_AlarmSubSecondMask_SS14        ((uint32_t)0x0E000000) /*!< SS[14] is don't care in Alarm
 324                                                                        comparison.Only SS[13:0] are compared */
 325 #define RTC_AlarmSubSecondMask_None        ((uint32_t)0x0F000000) /*!< SS[14:0] are compared and must match
 326                                                                        to activate alarm. */
 327 #define IS_RTC_ALARM_SUB_SECOND_MASK(MASK)   (((MASK) == RTC_AlarmSubSecondMask_All) || \
 328                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_1) || \
 329                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_2) || \
 330                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_3) || \
 331                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_4) || \
 332                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_5) || \
 333                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_6) || \
 334                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_7) || \
 335                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_8) || \
 336                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_9) || \
 337                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_10) || \
 338                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_11) || \
 339                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_12) || \
 340                                               ((MASK) == RTC_AlarmSubSecondMask_SS14_13) || \
 341                                               ((MASK) == RTC_AlarmSubSecondMask_SS14) || \
 342                                               ((MASK) == RTC_AlarmSubSecondMask_None))
 343 /**
 344   * @}
 345   */
 346
 347 /** @defgroup RTC_Alarm_Sub_Seconds_Value
 348   * @{
 349   */
 350
 351 #define IS_RTC_ALARM_SUB_SECOND_VALUE(VALUE) ((VALUE) <= 0x00007FFF)
 352
 353 /**
 354   * @}
 355   */
 356
 357 /** @defgroup RTC_Wakeup_Timer_Definitions
 358   * @{
 359   */
 360 #define RTC_WakeUpClock_RTCCLK_Div16        ((uint32_t)0x00000000)
 361 #define RTC_WakeUpClock_RTCCLK_Div8         ((uint32_t)0x00000001)
 362 #define RTC_WakeUpClock_RTCCLK_Div4         ((uint32_t)0x00000002)
 363 #define RTC_WakeUpClock_RTCCLK_Div2         ((uint32_t)0x00000003)
 364 #define RTC_WakeUpClock_CK_SPRE_16bits      ((uint32_t)0x00000004)
 365 #define RTC_WakeUpClock_CK_SPRE_17bits      ((uint32_t)0x00000006)
 366 #define IS_RTC_WAKEUP_CLOCK(CLOCK) (((CLOCK) == RTC_WakeUpClock_RTCCLK_Div16) || \
 367                                     ((CLOCK) == RTC_WakeUpClock_RTCCLK_Div8) || \
 368                                     ((CLOCK) == RTC_WakeUpClock_RTCCLK_Div4) || \
 369                                     ((CLOCK) == RTC_WakeUpClock_RTCCLK_Div2) || \
 370                                     ((CLOCK) == RTC_WakeUpClock_CK_SPRE_16bits) || \
 371                                     ((CLOCK) == RTC_WakeUpClock_CK_SPRE_17bits))
 372 #define IS_RTC_WAKEUP_COUNTER(COUNTER)  ((COUNTER) <= 0xFFFF)
 373 /**
 374   * @}
 375   */
 376
 377 /** @defgroup RTC_Time_Stamp_Edges_definitions
 378   * @{
 379   */
 380 #define RTC_TimeStampEdge_Rising          ((uint32_t)0x00000000)
 381 #define RTC_TimeStampEdge_Falling         ((uint32_t)0x00000008)
 382 #define IS_RTC_TIMESTAMP_EDGE(EDGE) (((EDGE) == RTC_TimeStampEdge_Rising) || \
 383                                      ((EDGE) == RTC_TimeStampEdge_Falling))
 384 /**
 385   * @}
 386   */
 387
 388 /** @defgroup RTC_Output_selection_Definitions
 389   * @{
 390   */
 391 #define RTC_Output_Disable             ((uint32_t)0x00000000)
 392 #define RTC_Output_AlarmA              ((uint32_t)0x00200000)
 393 #define RTC_Output_AlarmB              ((uint32_t)0x00400000)
 394 #define RTC_Output_WakeUp              ((uint32_t)0x00600000)
 395
 396 #define IS_RTC_OUTPUT(OUTPUT) (((OUTPUT) == RTC_Output_Disable) || \
 397                                ((OUTPUT) == RTC_Output_AlarmA) || \
 398                                ((OUTPUT) == RTC_Output_AlarmB) || \
 399                                ((OUTPUT) == RTC_Output_WakeUp))
 400
 401 /**
 402   * @}
 403   */
 404
 405 /** @defgroup RTC_Output_Polarity_Definitions
 406   * @{
 407   */
 408 #define RTC_OutputPolarity_High           ((uint32_t)0x00000000)
 409 #define RTC_OutputPolarity_Low            ((uint32_t)0x00100000)
 410 #define IS_RTC_OUTPUT_POL(POL) (((POL) == RTC_OutputPolarity_High) || \
 411                                 ((POL) == RTC_OutputPolarity_Low))
 412 /**
 413   * @}
 414   */
 415
 416
 417 /** @defgroup RTC_Digital_Calibration_Definitions
 418   * @{
 419   */
 420 #define RTC_CalibSign_Positive            ((uint32_t)0x00000000)
 421 #define RTC_CalibSign_Negative            ((uint32_t)0x00000080)
 422 #define IS_RTC_CALIB_SIGN(SIGN) (((SIGN) == RTC_CalibSign_Positive) || \
 423                                  ((SIGN) == RTC_CalibSign_Negative))
 424 #define IS_RTC_CALIB_VALUE(VALUE) ((VALUE) < 0x20)
 425
 426 /**
 427   * @}
 428   */
 429
 430  /** @defgroup RTC_Calib_Output_selection_Definitions
 431   * @{
 432   */
 433 #define RTC_CalibOutput_512Hz            ((uint32_t)0x00000000)
 434 #define RTC_CalibOutput_1Hz              ((uint32_t)0x00080000)
 435 #define IS_RTC_CALIB_OUTPUT(OUTPUT)  (((OUTPUT) == RTC_CalibOutput_512Hz) || \
 436                                       ((OUTPUT) == RTC_CalibOutput_1Hz))
 437 /**
 438   * @}
 439   */
 440
 441 /** @defgroup RTC_Smooth_calib_period_Definitions
 442   * @{
 443   */
 444 #define RTC_SmoothCalibPeriod_32sec   ((uint32_t)0x00000000) /*!<  if RTCCLK = 32768 Hz, Smooth calibation
 445                                                              period is 32s,  else 2exp20 RTCCLK seconds */
 446 #define RTC_SmoothCalibPeriod_16sec   ((uint32_t)0x00002000) /*!<  if RTCCLK = 32768 Hz, Smooth calibation
 447                                                              period is 16s, else 2exp19 RTCCLK seconds */
 448 #define RTC_SmoothCalibPeriod_8sec    ((uint32_t)0x00004000) /*!<  if RTCCLK = 32768 Hz, Smooth calibation
 449                                                              period is 8s, else 2exp18 RTCCLK seconds */
 450 #define IS_RTC_SMOOTH_CALIB_PERIOD(PERIOD) (((PERIOD) == RTC_SmoothCalibPeriod_32sec) || \
 451                                              ((PERIOD) == RTC_SmoothCalibPeriod_16sec) || \
 452                                              ((PERIOD) == RTC_SmoothCalibPeriod_8sec))
 453
 454 /**
 455   * @}
 456   */
 457
 458 /** @defgroup RTC_Smooth_calib_Plus_pulses_Definitions
 459   * @{
 460   */
 461 #define RTC_SmoothCalibPlusPulses_Set    ((uint32_t)0x00008000) /*!<  The number of RTCCLK pulses added
 462                                                                 during a X -second window = Y - CALM[8:0].
 463                                                                  with Y = 512, 256, 128 when X = 32, 16, 8 */
 464 #define RTC_SmoothCalibPlusPulses_Reset  ((uint32_t)0x00000000) /*!<  The number of RTCCLK pulses subbstited
 465                                                                  during a 32-second window =   CALM[8:0]. */
 466 #define IS_RTC_SMOOTH_CALIB_PLUS(PLUS) (((PLUS) == RTC_SmoothCalibPlusPulses_Set) || \
 467                                          ((PLUS) == RTC_SmoothCalibPlusPulses_Reset))
 468
 469 /**
 470   * @}
 471   */
 472
 473 /** @defgroup RTC_Smooth_calib_Minus_pulses_Definitions
 474   * @{
 475   */
 476 #define  IS_RTC_SMOOTH_CALIB_MINUS(VALUE) ((VALUE) <= 0x000001FF)
 477
 478 /**
 479   * @}
 480   */
 481
 482 /** @defgroup RTC_DayLightSaving_Definitions
 483   * @{
 484   */
 485 #define RTC_DayLightSaving_SUB1H   ((uint32_t)0x00020000)
 486 #define RTC_DayLightSaving_ADD1H   ((uint32_t)0x00010000)
 487 #define IS_RTC_DAYLIGHT_SAVING(SAVE) (((SAVE) == RTC_DayLightSaving_SUB1H) || \
 488                                       ((SAVE) == RTC_DayLightSaving_ADD1H))
 489
 490 #define RTC_StoreOperation_Reset        ((uint32_t)0x00000000)
 491 #define RTC_StoreOperation_Set          ((uint32_t)0x00040000)
 492 #define IS_RTC_STORE_OPERATION(OPERATION) (((OPERATION) == RTC_StoreOperation_Reset) || \
 493                                            ((OPERATION) == RTC_StoreOperation_Set))
 494 /**
 495   * @}
 496   */
 497
 498 /** @defgroup RTC_Tamper_Trigger_Definitions
 499   * @{
 500   */
 501 #define RTC_TamperTrigger_RisingEdge            ((uint32_t)0x00000000)
 502 #define RTC_TamperTrigger_FallingEdge           ((uint32_t)0x00000001)
 503 #define RTC_TamperTrigger_LowLevel              ((uint32_t)0x00000000)
 504 #define RTC_TamperTrigger_HighLevel             ((uint32_t)0x00000001)
 505 #define IS_RTC_TAMPER_TRIGGER(TRIGGER) (((TRIGGER) == RTC_TamperTrigger_RisingEdge) || \
 506                                         ((TRIGGER) == RTC_TamperTrigger_FallingEdge) || \
 507                                         ((TRIGGER) == RTC_TamperTrigger_LowLevel) || \
 508                                         ((TRIGGER) == RTC_TamperTrigger_HighLevel))
 509
 510 /**
 511   * @}
 512   */
 513
 514 /** @defgroup RTC_Tamper_Filter_Definitions
 515   * @{
 516   */
 517 #define RTC_TamperFilter_Disable   ((uint32_t)0x00000000) /*!< Tamper filter is disabled */
 518
 519 #define RTC_TamperFilter_2Sample   ((uint32_t)0x00000800) /*!< Tamper is activated after 2
 520                                                           consecutive samples at the active level */
 521 #define RTC_TamperFilter_4Sample   ((uint32_t)0x00001000) /*!< Tamper is activated after 4
 522                                                           consecutive samples at the active level */
 523 #define RTC_TamperFilter_8Sample   ((uint32_t)0x00001800) /*!< Tamper is activated after 8
 524                                                           consecutive samples at the active leve. */
 525 #define IS_RTC_TAMPER_FILTER(FILTER) (((FILTER) == RTC_TamperFilter_Disable) || \
 526                                       ((FILTER) == RTC_TamperFilter_2Sample) || \
 527                                       ((FILTER) == RTC_TamperFilter_4Sample) || \
 528                                       ((FILTER) == RTC_TamperFilter_8Sample))
 529 /**
 530   * @}
 531   */
 532
 533 /** @defgroup RTC_Tamper_Sampling_Frequencies_Definitions
 534   * @{
 535   */
 536 #define RTC_TamperSamplingFreq_RTCCLK_Div32768  ((uint32_t)0x00000000) /*!< Each of the tamper inputs are sampled
 537                                                                            with a frequency =  RTCCLK / 32768 */
 538 #define RTC_TamperSamplingFreq_RTCCLK_Div16384  ((uint32_t)0x000000100) /*!< Each of the tamper inputs are sampled
 539                                                                             with a frequency =  RTCCLK / 16384 */
 540 #define RTC_TamperSamplingFreq_RTCCLK_Div8192   ((uint32_t)0x00000200) /*!< Each of the tamper inputs are sampled
 541                                                                            with a frequency =  RTCCLK / 8192  */
 542 #define RTC_TamperSamplingFreq_RTCCLK_Div4096   ((uint32_t)0x00000300) /*!< Each of the tamper inputs are sampled
 543                                                                            with a frequency =  RTCCLK / 4096  */
 544 #define RTC_TamperSamplingFreq_RTCCLK_Div2048   ((uint32_t)0x00000400) /*!< Each of the tamper inputs are sampled
 545                                                                            with a frequency =  RTCCLK / 2048  */
 546 #define RTC_TamperSamplingFreq_RTCCLK_Div1024   ((uint32_t)0x00000500) /*!< Each of the tamper inputs are sampled
 547                                                                            with a frequency =  RTCCLK / 1024  */
 548 #define RTC_TamperSamplingFreq_RTCCLK_Div512    ((uint32_t)0x00000600) /*!< Each of the tamper inputs are sampled
 549                                                                            with a frequency =  RTCCLK / 512   */
 550 #define RTC_TamperSamplingFreq_RTCCLK_Div256    ((uint32_t)0x00000700) /*!< Each of the tamper inputs are sampled
 551                                                                            with a frequency =  RTCCLK / 256   */
 552 #define IS_RTC_TAMPER_SAMPLING_FREQ(FREQ) (((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div32768) || \
 553                                            ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div16384) || \
 554                                            ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div8192) || \
 555                                            ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div4096) || \
 556                                            ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div2048) || \
 557                                            ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div1024) || \
 558                                            ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div512) || \
 559                                            ((FREQ) ==RTC_TamperSamplingFreq_RTCCLK_Div256))
 560
 561 /**
 562   * @}
 563   */
 564
 565   /** @defgroup RTC_Tamper_Pin_Precharge_Duration_Definitions
 566   * @{
 567   */
 568 #define RTC_TamperPrechargeDuration_1RTCCLK ((uint32_t)0x00000000)  /*!< Tamper pins are pre-charged before
 569                                                                          sampling during 1 RTCCLK cycle */
 570 #define RTC_TamperPrechargeDuration_2RTCCLK ((uint32_t)0x00002000)  /*!< Tamper pins are pre-charged before
 571                                                                          sampling during 2 RTCCLK cycles */
 572 #define RTC_TamperPrechargeDuration_4RTCCLK ((uint32_t)0x00004000)  /*!< Tamper pins are pre-charged before
 573                                                                          sampling during 4 RTCCLK cycles */
 574 #define RTC_TamperPrechargeDuration_8RTCCLK ((uint32_t)0x00006000)  /*!< Tamper pins are pre-charged before
 575                                                                          sampling during 8 RTCCLK cycles */
 576
 577 #define IS_RTC_TAMPER_PRECHARGE_DURATION(DURATION) (((DURATION) == RTC_TamperPrechargeDuration_1RTCCLK) || \
 578                                                     ((DURATION) == RTC_TamperPrechargeDuration_2RTCCLK) || \
 579                                                     ((DURATION) == RTC_TamperPrechargeDuration_4RTCCLK) || \
 580                                                     ((DURATION) == RTC_TamperPrechargeDuration_8RTCCLK))
 581 /**
 582   * @}
 583   */
 584
 585 /** @defgroup RTC_Tamper_Pins_Definitions
 586   * @{
 587   */
 588 #define RTC_Tamper_1                    RTC_TAFCR_TAMP1E
 589 #define IS_RTC_TAMPER(TAMPER) (((TAMPER) == RTC_Tamper_1))
 590
 591 /**
 592   * @}
 593   */
 594
 595 /** @defgroup RTC_Tamper_Pin_Selection
 596   * @{
 597   */
 598 #define RTC_TamperPin_PC13                 ((uint32_t)0x00000000)
 599 #define RTC_TamperPin_PI8                  ((uint32_t)0x00010000)
 600 #define IS_RTC_TAMPER_PIN(PIN) (((PIN) == RTC_TamperPin_PC13) || \
 601                                 ((PIN) == RTC_TamperPin_PI8))
 602 /**
 603   * @}
 604   */
 605
 606 /** @defgroup RTC_TimeStamp_Pin_Selection
 607   * @{
 608   */
 609 #define RTC_TimeStampPin_PC13              ((uint32_t)0x00000000)
 610 #define RTC_TimeStampPin_PI8               ((uint32_t)0x00020000)
 611 #define IS_RTC_TIMESTAMP_PIN(PIN) (((PIN) == RTC_TimeStampPin_PC13) || \
 612                                    ((PIN) == RTC_TimeStampPin_PI8))
 613 /**
 614   * @}
 615   */
 616
 617 /** @defgroup RTC_Output_Type_ALARM_OUT
 618   * @{
 619   */
 620 #define RTC_OutputType_OpenDrain           ((uint32_t)0x00000000)
 621 #define RTC_OutputType_PushPull            ((uint32_t)0x00040000)
 622 #define IS_RTC_OUTPUT_TYPE(TYPE) (((TYPE) == RTC_OutputType_OpenDrain) || \
 623                                   ((TYPE) == RTC_OutputType_PushPull))
 624
 625 /**
 626   * @}
 627   */
 628
 629 /** @defgroup RTC_Add_1_Second_Parameter_Definitions
 630   * @{
 631   */
 632 #define RTC_ShiftAdd1S_Reset      ((uint32_t)0x00000000)
 633 #define RTC_ShiftAdd1S_Set        ((uint32_t)0x80000000)
 634 #define IS_RTC_SHIFT_ADD1S(SEL) (((SEL) == RTC_ShiftAdd1S_Reset) || \
 635                                  ((SEL) == RTC_ShiftAdd1S_Set))
 636 /**
 637   * @}
 638   */
 639
 640 /** @defgroup RTC_Substract_Fraction_Of_Second_Value
 641   * @{
 642   */
 643 #define IS_RTC_SHIFT_SUBFS(FS) ((FS) <= 0x00007FFF)
 644
 645 /**
 646   * @}
 647   */
 648
 649 /** @defgroup RTC_Backup_Registers_Definitions
 650   * @{
 651   */
 652
 653 #define RTC_BKP_DR0                       ((uint32_t)0x00000000)
 654 #define RTC_BKP_DR1                       ((uint32_t)0x00000001)
 655 #define RTC_BKP_DR2                       ((uint32_t)0x00000002)
 656 #define RTC_BKP_DR3                       ((uint32_t)0x00000003)
 657 #define RTC_BKP_DR4                       ((uint32_t)0x00000004)
 658 #define RTC_BKP_DR5                       ((uint32_t)0x00000005)
 659 #define RTC_BKP_DR6                       ((uint32_t)0x00000006)
 660 #define RTC_BKP_DR7                       ((uint32_t)0x00000007)
 661 #define RTC_BKP_DR8                       ((uint32_t)0x00000008)
 662 #define RTC_BKP_DR9                       ((uint32_t)0x00000009)
 663 #define RTC_BKP_DR10                      ((uint32_t)0x0000000A)
 664 #define RTC_BKP_DR11                      ((uint32_t)0x0000000B)
 665 #define RTC_BKP_DR12                      ((uint32_t)0x0000000C)
 666 #define RTC_BKP_DR13                      ((uint32_t)0x0000000D)
 667 #define RTC_BKP_DR14                      ((uint32_t)0x0000000E)
 668 #define RTC_BKP_DR15                      ((uint32_t)0x0000000F)
 669 #define RTC_BKP_DR16                      ((uint32_t)0x00000010)
 670 #define RTC_BKP_DR17                      ((uint32_t)0x00000011)
 671 #define RTC_BKP_DR18                      ((uint32_t)0x00000012)
 672 #define RTC_BKP_DR19                      ((uint32_t)0x00000013)
 673 #define IS_RTC_BKP(BKP)                   (((BKP) == RTC_BKP_DR0) || \
 674                                            ((BKP) == RTC_BKP_DR1) || \
 675                                            ((BKP) == RTC_BKP_DR2) || \
 676                                            ((BKP) == RTC_BKP_DR3) || \
 677                                            ((BKP) == RTC_BKP_DR4) || \
 678                                            ((BKP) == RTC_BKP_DR5) || \
 679                                            ((BKP) == RTC_BKP_DR6) || \
 680                                            ((BKP) == RTC_BKP_DR7) || \
 681                                            ((BKP) == RTC_BKP_DR8) || \
 682                                            ((BKP) == RTC_BKP_DR9) || \
 683                                            ((BKP) == RTC_BKP_DR10) || \
 684                                            ((BKP) == RTC_BKP_DR11) || \
 685                                            ((BKP) == RTC_BKP_DR12) || \
 686                                            ((BKP) == RTC_BKP_DR13) || \
 687                                            ((BKP) == RTC_BKP_DR14) || \
 688                                            ((BKP) == RTC_BKP_DR15) || \
 689                                            ((BKP) == RTC_BKP_DR16) || \
 690                                            ((BKP) == RTC_BKP_DR17) || \
 691                                            ((BKP) == RTC_BKP_DR18) || \
 692                                            ((BKP) == RTC_BKP_DR19))
 693 /**
 694   * @}
 695   */
 696
 697 /** @defgroup RTC_Input_parameter_format_definitions
 698   * @{
 699   */
 700 #define RTC_Format_BIN                    ((uint32_t)0x000000000)
 701 #define RTC_Format_BCD                    ((uint32_t)0x000000001)
 702 #define IS_RTC_FORMAT(FORMAT) (((FORMAT) == RTC_Format_BIN) || ((FORMAT) == RTC_Format_BCD))
 703
 704 /**
 705   * @}
 706   */
 707
 708 /** @defgroup RTC_Flags_Definitions
 709   * @{
 710   */
 711 #define RTC_FLAG_RECALPF                  ((uint32_t)0x00010000)
 712 #define RTC_FLAG_TAMP1F                   ((uint32_t)0x00002000)
 713 #define RTC_FLAG_TSOVF                    ((uint32_t)0x00001000)
 714 #define RTC_FLAG_TSF                      ((uint32_t)0x00000800)
 715 #define RTC_FLAG_WUTF                     ((uint32_t)0x00000400)
 716 #define RTC_FLAG_ALRBF                    ((uint32_t)0x00000200)
 717 #define RTC_FLAG_ALRAF                    ((uint32_t)0x00000100)
 718 #define RTC_FLAG_INITF                    ((uint32_t)0x00000040)
 719 #define RTC_FLAG_RSF                      ((uint32_t)0x00000020)
 720 #define RTC_FLAG_INITS                    ((uint32_t)0x00000010)
 721 #define RTC_FLAG_SHPF                     ((uint32_t)0x00000008)
 722 #define RTC_FLAG_WUTWF                    ((uint32_t)0x00000004)
 723 #define RTC_FLAG_ALRBWF                   ((uint32_t)0x00000002)
 724 #define RTC_FLAG_ALRAWF                   ((uint32_t)0x00000001)
 725 #define IS_RTC_GET_FLAG(FLAG) (((FLAG) == RTC_FLAG_TSOVF) || ((FLAG) == RTC_FLAG_TSF) || \
 726                                ((FLAG) == RTC_FLAG_WUTF) || ((FLAG) == RTC_FLAG_ALRBF) || \
 727                                ((FLAG) == RTC_FLAG_ALRAF) || ((FLAG) == RTC_FLAG_INITF) || \
 728                                ((FLAG) == RTC_FLAG_RSF) || ((FLAG) == RTC_FLAG_WUTWF) || \
 729                                ((FLAG) == RTC_FLAG_ALRBWF) || ((FLAG) == RTC_FLAG_ALRAWF) || \
 730                                ((FLAG) == RTC_FLAG_TAMP1F) || ((FLAG) == RTC_FLAG_RECALPF) || \
 731                                 ((FLAG) == RTC_FLAG_SHPF))
 732 #define IS_RTC_CLEAR_FLAG(FLAG) (((FLAG) != (uint32_t)RESET) && (((FLAG) & 0xFFFF00DF) == (uint32_t)RESET))
 733 /**
 734   * @}
 735   */
 736
 737 /** @defgroup RTC_Interrupts_Definitions
 738   * @{
 739   */
 740 #define RTC_IT_TS                         ((uint32_t)0x00008000)
 741 #define RTC_IT_WUT                        ((uint32_t)0x00004000)
 742 #define RTC_IT_ALRB                       ((uint32_t)0x00002000)
 743 #define RTC_IT_ALRA                       ((uint32_t)0x00001000)
 744 #define RTC_IT_TAMP                       ((uint32_t)0x00000004) /* Used only to Enable the Tamper Interrupt */
 745 #define RTC_IT_TAMP1                      ((uint32_t)0x00020000)
 746
 747 #define IS_RTC_CONFIG_IT(IT) (((IT) != (uint32_t)RESET) && (((IT) & 0xFFFF0FFB) == (uint32_t)RESET))
 748 #define IS_RTC_GET_IT(IT) (((IT) == RTC_IT_TS) || ((IT) == RTC_IT_WUT) || \
 749                            ((IT) == RTC_IT_ALRB) || ((IT) == RTC_IT_ALRA) || \
 750                            ((IT) == RTC_IT_TAMP1))
 751 #define IS_RTC_CLEAR_IT(IT) (((IT) != (uint32_t)RESET) && (((IT) & 0xFFFD0FFF) == (uint32_t)RESET))
 752
 753 /**
 754   * @}
 755   */
 756
 757 /** @defgroup RTC_Legacy
 758   * @{
 759   */
 760 #define RTC_DigitalCalibConfig  RTC_CoarseCalibConfig
 761 #define RTC_DigitalCalibCmd     RTC_CoarseCalibCmd
 762
 763 /**
 764   * @}
 765   */
 766
 767 /**
 768   * @}
 769   */
 770
 771 /* Exported macro ------------------------------------------------------------*/
 772 /* Exported functions --------------------------------------------------------*/
 773
 774 /*  Function used to set the RTC configuration to the default reset state *****/
 775 ErrorStatus RTC_DeInit(void);
 776
 777 /* Initialization and Configuration functions *********************************/
 778 ErrorStatus RTC_Init(RTC_InitTypeDef* RTC_InitStruct);
 779 void RTC_StructInit(RTC_InitTypeDef* RTC_InitStruct);
 780 void RTC_WriteProtectionCmd(FunctionalState NewState);
 781 ErrorStatus RTC_EnterInitMode(void);
 782 void RTC_ExitInitMode(void);
 783 ErrorStatus RTC_WaitForSynchro(void);
 784 ErrorStatus RTC_RefClockCmd(FunctionalState NewState);
 785 void RTC_BypassShadowCmd(FunctionalState NewState);
 786
 787 /* Time and Date configuration functions **************************************/
 788 ErrorStatus RTC_SetTime(uint32_t RTC_Format, RTC_TimeTypeDef* RTC_TimeStruct);
 789 void RTC_TimeStructInit(RTC_TimeTypeDef* RTC_TimeStruct);
 790 void RTC_GetTime(uint32_t RTC_Format, RTC_TimeTypeDef* RTC_TimeStruct);
 791 uint32_t RTC_GetSubSecond(void);
 792 ErrorStatus RTC_SetDate(uint32_t RTC_Format, RTC_DateTypeDef* RTC_DateStruct);
 793 void RTC_DateStructInit(RTC_DateTypeDef* RTC_DateStruct);
 794 void RTC_GetDate(uint32_t RTC_Format, RTC_DateTypeDef* RTC_DateStruct);
 795
 796 /* Alarms (Alarm A and Alarm B) configuration functions  **********************/
 797 void RTC_SetAlarm(uint32_t RTC_Format, uint32_t RTC_Alarm, RTC_AlarmTypeDef* RTC_AlarmStruct);
 798 void RTC_AlarmStructInit(RTC_AlarmTypeDef* RTC_AlarmStruct);
 799 void RTC_GetAlarm(uint32_t RTC_Format, uint32_t RTC_Alarm, RTC_AlarmTypeDef* RTC_AlarmStruct);
 800 ErrorStatus RTC_AlarmCmd(uint32_t RTC_Alarm, FunctionalState NewState);
 801 void RTC_AlarmSubSecondConfig(uint32_t RTC_Alarm, uint32_t RTC_AlarmSubSecondValue, uint32_t RTC_AlarmSubSecondMask);
 802 uint32_t RTC_GetAlarmSubSecond(uint32_t RTC_Alarm);
 803
 804 /* WakeUp Timer configuration functions ***************************************/
 805 void RTC_WakeUpClockConfig(uint32_t RTC_WakeUpClock);
 806 void RTC_SetWakeUpCounter(uint32_t RTC_WakeUpCounter);
 807 uint32_t RTC_GetWakeUpCounter(void);
 808 ErrorStatus RTC_WakeUpCmd(FunctionalState NewState);
 809
 810 /* Daylight Saving configuration functions ************************************/
 811 void RTC_DayLightSavingConfig(uint32_t RTC_DayLightSaving, uint32_t RTC_StoreOperation);
 812 uint32_t RTC_GetStoreOperation(void);
 813
 814 /* Output pin Configuration function ******************************************/
 815 void RTC_OutputConfig(uint32_t RTC_Output, uint32_t RTC_OutputPolarity);
 816
 817 /* Digital Calibration configuration functions *********************************/
 818 ErrorStatus RTC_CoarseCalibConfig(uint32_t RTC_CalibSign, uint32_t Value);
 819 ErrorStatus RTC_CoarseCalibCmd(FunctionalState NewState);
 820 void RTC_CalibOutputCmd(FunctionalState NewState);
 821 void RTC_CalibOutputConfig(uint32_t RTC_CalibOutput);
 822 ErrorStatus RTC_SmoothCalibConfig(uint32_t RTC_SmoothCalibPeriod,
 823                                   uint32_t RTC_SmoothCalibPlusPulses,
 824                                   uint32_t RTC_SmouthCalibMinusPulsesValue);
 825
 826 /* TimeStamp configuration functions ******************************************/
 827 void RTC_TimeStampCmd(uint32_t RTC_TimeStampEdge, FunctionalState NewState);
 828 void RTC_GetTimeStamp(uint32_t RTC_Format, RTC_TimeTypeDef* RTC_StampTimeStruct,
 829                                       RTC_DateTypeDef* RTC_StampDateStruct);
 830 uint32_t RTC_GetTimeStampSubSecond(void);
 831
 832 /* Tampers configuration functions ********************************************/
 833 void RTC_TamperTriggerConfig(uint32_t RTC_Tamper, uint32_t RTC_TamperTrigger);
 834 void RTC_TamperCmd(uint32_t RTC_Tamper, FunctionalState NewState);
 835 void RTC_TamperFilterConfig(uint32_t RTC_TamperFilter);
 836 void RTC_TamperSamplingFreqConfig(uint32_t RTC_TamperSamplingFreq);
 837 void RTC_TamperPinsPrechargeDuration(uint32_t RTC_TamperPrechargeDuration);
 838 void RTC_TimeStampOnTamperDetectionCmd(FunctionalState NewState);
 839 void RTC_TamperPullUpCmd(FunctionalState NewState);
 840
 841 /* Backup Data Registers configuration functions ******************************/
 842 void RTC_WriteBackupRegister(uint32_t RTC_BKP_DR, uint32_t Data);
 843 uint32_t RTC_ReadBackupRegister(uint32_t RTC_BKP_DR);
 844
 845 /* RTC Tamper and TimeStamp Pins Selection and Output Type Config configuration
 846    functions ******************************************************************/
 847 void RTC_TamperPinSelection(uint32_t RTC_TamperPin);
 848 void RTC_TimeStampPinSelection(uint32_t RTC_TimeStampPin);
 849 void RTC_OutputTypeConfig(uint32_t RTC_OutputType);
 850
 851 /* RTC_Shift_control_synchonisation_functions *********************************/
 852 ErrorStatus RTC_SynchroShiftConfig(uint32_t RTC_ShiftAdd1S, uint32_t RTC_ShiftSubFS);
 853
 854 /* Interrupts and flags management functions **********************************/
 855 void RTC_ITConfig(uint32_t RTC_IT, FunctionalState NewState);
 856 FlagStatus RTC_GetFlagStatus(uint32_t RTC_FLAG);
 857 void RTC_ClearFlag(uint32_t RTC_FLAG);
 858 ITStatus RTC_GetITStatus(uint32_t RTC_IT);
 859 void RTC_ClearITPendingBit(uint32_t RTC_IT);
 860
 861 #ifdef __cplusplus
 862 }
 863 #endif
 864
 865 #endif /*__STM32F4xx_RTC_H */
 866
 867 /**
 868   * @}
 869   */
 870
 871 /**
 872   * @}
 873   */
 874
 875 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/