stm32l4xx_hal_rtc.h 36 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32l4xx_hal_rtc.h
  4. * @author MCD Application Team
  5. * @brief Header file of RTC HAL module.
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
  10. *
  11. * Redistribution and use in source and binary forms, with or without modification,
  12. * are permitted provided that the following conditions are met:
  13. * 1. Redistributions of source code must retain the above copyright notice,
  14. * this list of conditions and the following disclaimer.
  15. * 2. Redistributions in binary form must reproduce the above copyright notice,
  16. * this list of conditions and the following disclaimer in the documentation
  17. * and/or other materials provided with the distribution.
  18. * 3. Neither the name of STMicroelectronics nor the names of its contributors
  19. * may be used to endorse or promote products derived from this software
  20. * without specific prior written permission.
  21. *
  22. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  23. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  25. * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  26. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  28. * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  29. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32. *
  33. ******************************************************************************
  34. */
  35. /* Define to prevent recursive inclusion -------------------------------------*/
  36. #ifndef __STM32L4xx_HAL_RTC_H
  37. #define __STM32L4xx_HAL_RTC_H
  38. #ifdef __cplusplus
  39. extern "C" {
  40. #endif
  41. /* Includes ------------------------------------------------------------------*/
  42. #include "stm32l4xx_hal_def.h"
  43. /** @addtogroup STM32L4xx_HAL_Driver
  44. * @{
  45. */
  46. /** @addtogroup RTC
  47. * @{
  48. */
  49. /* Exported types ------------------------------------------------------------*/
  50. /** @defgroup RTC_Exported_Types RTC Exported Types
  51. * @{
  52. */
  53. /**
  54. * @brief HAL State structures definition
  55. */
  56. typedef enum
  57. {
  58. HAL_RTC_STATE_RESET = 0x00, /*!< RTC not yet initialized or disabled */
  59. HAL_RTC_STATE_READY = 0x01, /*!< RTC initialized and ready for use */
  60. HAL_RTC_STATE_BUSY = 0x02, /*!< RTC process is ongoing */
  61. HAL_RTC_STATE_TIMEOUT = 0x03, /*!< RTC timeout state */
  62. HAL_RTC_STATE_ERROR = 0x04 /*!< RTC error state */
  63. }HAL_RTCStateTypeDef;
  64. /**
  65. * @brief RTC Configuration Structure definition
  66. */
  67. typedef struct
  68. {
  69. uint32_t HourFormat; /*!< Specifies the RTC Hour Format.
  70. This parameter can be a value of @ref RTC_Hour_Formats */
  71. uint32_t AsynchPrediv; /*!< Specifies the RTC Asynchronous Predivider value.
  72. This parameter must be a number between Min_Data = 0x00 and Max_Data = 0x7F */
  73. uint32_t SynchPrediv; /*!< Specifies the RTC Synchronous Predivider value.
  74. This parameter must be a number between Min_Data = 0x00 and Max_Data = 0x7FFF */
  75. uint32_t OutPut; /*!< Specifies which signal will be routed to the RTC output.
  76. This parameter can be a value of @ref RTCEx_Output_selection_Definitions */
  77. uint32_t OutPutRemap; /*!< Specifies the remap for RTC output.
  78. This parameter can be a value of @ref RTC_Output_ALARM_OUT_Remap */
  79. uint32_t OutPutPolarity; /*!< Specifies the polarity of the output signal.
  80. This parameter can be a value of @ref RTC_Output_Polarity_Definitions */
  81. uint32_t OutPutType; /*!< Specifies the RTC Output Pin mode.
  82. This parameter can be a value of @ref RTC_Output_Type_ALARM_OUT */
  83. }RTC_InitTypeDef;
  84. /**
  85. * @brief RTC Time structure definition
  86. */
  87. typedef struct
  88. {
  89. uint8_t Hours; /*!< Specifies the RTC Time Hour.
  90. This parameter must be a number between Min_Data = 0 and Max_Data = 12 if the RTC_HourFormat_12 is selected.
  91. This parameter must be a number between Min_Data = 0 and Max_Data = 23 if the RTC_HourFormat_24 is selected */
  92. uint8_t Minutes; /*!< Specifies the RTC Time Minutes.
  93. This parameter must be a number between Min_Data = 0 and Max_Data = 59 */
  94. uint8_t Seconds; /*!< Specifies the RTC Time Seconds.
  95. This parameter must be a number between Min_Data = 0 and Max_Data = 59 */
  96. uint8_t TimeFormat; /*!< Specifies the RTC AM/PM Time.
  97. This parameter can be a value of @ref RTC_AM_PM_Definitions */
  98. uint32_t SubSeconds; /*!< Specifies the RTC_SSR RTC Sub Second register content.
  99. This parameter corresponds to a time unit range between [0-1] Second
  100. with [1 Sec / SecondFraction +1] granularity */
  101. uint32_t SecondFraction; /*!< Specifies the range or granularity of Sub Second register content
  102. corresponding to Synchronous pre-scaler factor value (PREDIV_S)
  103. This parameter corresponds to a time unit range between [0-1] Second
  104. with [1 Sec / SecondFraction +1] granularity.
  105. This field will be used only by HAL_RTC_GetTime function */
  106. uint32_t DayLightSaving; /*!< Specifies RTC_DayLightSaveOperation: the value of hour adjustment.
  107. This parameter can be a value of @ref RTC_DayLightSaving_Definitions */
  108. uint32_t StoreOperation; /*!< Specifies RTC_StoreOperation value to be written in the BCK bit
  109. in CR register to store the operation.
  110. This parameter can be a value of @ref RTC_StoreOperation_Definitions */
  111. }RTC_TimeTypeDef;
  112. /**
  113. * @brief RTC Date structure definition
  114. */
  115. typedef struct
  116. {
  117. uint8_t WeekDay; /*!< Specifies the RTC Date WeekDay.
  118. This parameter can be a value of @ref RTC_WeekDay_Definitions */
  119. uint8_t Month; /*!< Specifies the RTC Date Month (in BCD format).
  120. This parameter can be a value of @ref RTC_Month_Date_Definitions */
  121. uint8_t Date; /*!< Specifies the RTC Date.
  122. This parameter must be a number between Min_Data = 1 and Max_Data = 31 */
  123. uint8_t Year; /*!< Specifies the RTC Date Year.
  124. This parameter must be a number between Min_Data = 0 and Max_Data = 99 */
  125. }RTC_DateTypeDef;
  126. /**
  127. * @brief RTC Alarm structure definition
  128. */
  129. typedef struct
  130. {
  131. RTC_TimeTypeDef AlarmTime; /*!< Specifies the RTC Alarm Time members */
  132. uint32_t AlarmMask; /*!< Specifies the RTC Alarm Masks.
  133. This parameter can be a value of @ref RTC_AlarmMask_Definitions */
  134. uint32_t AlarmSubSecondMask; /*!< Specifies the RTC Alarm SubSeconds Masks.
  135. This parameter can be a value of @ref RTC_Alarm_Sub_Seconds_Masks_Definitions */
  136. uint32_t AlarmDateWeekDaySel; /*!< Specifies the RTC Alarm is on Date or WeekDay.
  137. This parameter can be a value of @ref RTC_AlarmDateWeekDay_Definitions */
  138. uint8_t AlarmDateWeekDay; /*!< Specifies the RTC Alarm Date/WeekDay.
  139. If the Alarm Date is selected, this parameter must be set to a value in the 1-31 range.
  140. If the Alarm WeekDay is selected, this parameter can be a value of @ref RTC_WeekDay_Definitions */
  141. uint32_t Alarm; /*!< Specifies the alarm .
  142. This parameter can be a value of @ref RTC_Alarms_Definitions */
  143. }RTC_AlarmTypeDef;
  144. /**
  145. * @brief Time Handle Structure definition
  146. */
  147. typedef struct
  148. {
  149. RTC_TypeDef *Instance; /*!< Register base address */
  150. RTC_InitTypeDef Init; /*!< RTC required parameters */
  151. HAL_LockTypeDef Lock; /*!< RTC locking object */
  152. __IO HAL_RTCStateTypeDef State; /*!< Time communication state */
  153. }RTC_HandleTypeDef;
  154. /**
  155. * @}
  156. */
  157. /* Exported constants --------------------------------------------------------*/
  158. /** @defgroup RTC_Exported_Constants RTC Exported Constants
  159. * @{
  160. */
  161. /** @defgroup RTC_Hour_Formats RTC Hour Formats
  162. * @{
  163. */
  164. #define RTC_HOURFORMAT_24 ((uint32_t)0x00000000)
  165. #define RTC_HOURFORMAT_12 ((uint32_t)0x00000040)
  166. /**
  167. * @}
  168. */
  169. /** @defgroup RTC_Output_Polarity_Definitions RTC Output Polarity Definitions
  170. * @{
  171. */
  172. #define RTC_OUTPUT_POLARITY_HIGH ((uint32_t)0x00000000)
  173. #define RTC_OUTPUT_POLARITY_LOW ((uint32_t)0x00100000)
  174. /**
  175. * @}
  176. */
  177. /** @defgroup RTC_Output_Type_ALARM_OUT RTC Output Type ALARM OUT
  178. * @{
  179. */
  180. #define RTC_OUTPUT_TYPE_OPENDRAIN ((uint32_t)0x00000000)
  181. #define RTC_OUTPUT_TYPE_PUSHPULL ((uint32_t)RTC_OR_ALARMOUTTYPE)
  182. /**
  183. * @}
  184. */
  185. /** @defgroup RTC_Output_ALARM_OUT_Remap RTC Output ALARM OUT Remap
  186. * @{
  187. */
  188. #define RTC_OUTPUT_REMAP_NONE ((uint32_t)0x00000000)
  189. #define RTC_OUTPUT_REMAP_POS1 ((uint32_t)RTC_OR_OUT_RMP)
  190. /**
  191. * @}
  192. */
  193. /** @defgroup RTC_AM_PM_Definitions RTC AM PM Definitions
  194. * @{
  195. */
  196. #define RTC_HOURFORMAT12_AM ((uint8_t)0x00)
  197. #define RTC_HOURFORMAT12_PM ((uint8_t)0x40)
  198. /**
  199. * @}
  200. */
  201. /** @defgroup RTC_DayLightSaving_Definitions RTC DayLight Saving Definitions
  202. * @{
  203. */
  204. #define RTC_DAYLIGHTSAVING_SUB1H ((uint32_t)0x00020000)
  205. #define RTC_DAYLIGHTSAVING_ADD1H ((uint32_t)0x00010000)
  206. #define RTC_DAYLIGHTSAVING_NONE ((uint32_t)0x00000000)
  207. /**
  208. * @}
  209. */
  210. /** @defgroup RTC_StoreOperation_Definitions RTC Store Operation Definitions
  211. * @{
  212. */
  213. #define RTC_STOREOPERATION_RESET ((uint32_t)0x00000000)
  214. #define RTC_STOREOPERATION_SET ((uint32_t)0x00040000)
  215. /**
  216. * @}
  217. */
  218. /** @defgroup RTC_Input_parameter_format_definitions RTC Input Parameter Format Definitions
  219. * @{
  220. */
  221. #define RTC_FORMAT_BIN ((uint32_t)0x00000000)
  222. #define RTC_FORMAT_BCD ((uint32_t)0x00000001)
  223. /**
  224. * @}
  225. */
  226. /** @defgroup RTC_Month_Date_Definitions RTC Month Date Definitions
  227. * @{
  228. */
  229. /* Coded in BCD format */
  230. #define RTC_MONTH_JANUARY ((uint8_t)0x01)
  231. #define RTC_MONTH_FEBRUARY ((uint8_t)0x02)
  232. #define RTC_MONTH_MARCH ((uint8_t)0x03)
  233. #define RTC_MONTH_APRIL ((uint8_t)0x04)
  234. #define RTC_MONTH_MAY ((uint8_t)0x05)
  235. #define RTC_MONTH_JUNE ((uint8_t)0x06)
  236. #define RTC_MONTH_JULY ((uint8_t)0x07)
  237. #define RTC_MONTH_AUGUST ((uint8_t)0x08)
  238. #define RTC_MONTH_SEPTEMBER ((uint8_t)0x09)
  239. #define RTC_MONTH_OCTOBER ((uint8_t)0x10)
  240. #define RTC_MONTH_NOVEMBER ((uint8_t)0x11)
  241. #define RTC_MONTH_DECEMBER ((uint8_t)0x12)
  242. /**
  243. * @}
  244. */
  245. /** @defgroup RTC_WeekDay_Definitions RTC WeekDay Definitions
  246. * @{
  247. */
  248. #define RTC_WEEKDAY_MONDAY ((uint8_t)0x01)
  249. #define RTC_WEEKDAY_TUESDAY ((uint8_t)0x02)
  250. #define RTC_WEEKDAY_WEDNESDAY ((uint8_t)0x03)
  251. #define RTC_WEEKDAY_THURSDAY ((uint8_t)0x04)
  252. #define RTC_WEEKDAY_FRIDAY ((uint8_t)0x05)
  253. #define RTC_WEEKDAY_SATURDAY ((uint8_t)0x06)
  254. #define RTC_WEEKDAY_SUNDAY ((uint8_t)0x07)
  255. /**
  256. * @}
  257. */
  258. /** @defgroup RTC_AlarmDateWeekDay_Definitions RTC Alarm Date WeekDay Definitions
  259. * @{
  260. */
  261. #define RTC_ALARMDATEWEEKDAYSEL_DATE ((uint32_t)0x00000000)
  262. #define RTC_ALARMDATEWEEKDAYSEL_WEEKDAY ((uint32_t)0x40000000)
  263. /**
  264. * @}
  265. */
  266. /** @defgroup RTC_AlarmMask_Definitions RTC Alarm Mask Definitions
  267. * @{
  268. */
  269. #define RTC_ALARMMASK_NONE ((uint32_t)0x00000000)
  270. #define RTC_ALARMMASK_DATEWEEKDAY RTC_ALRMAR_MSK4
  271. #define RTC_ALARMMASK_HOURS RTC_ALRMAR_MSK3
  272. #define RTC_ALARMMASK_MINUTES RTC_ALRMAR_MSK2
  273. #define RTC_ALARMMASK_SECONDS RTC_ALRMAR_MSK1
  274. #define RTC_ALARMMASK_ALL ((uint32_t)0x80808080)
  275. /**
  276. * @}
  277. */
  278. /** @defgroup RTC_Alarms_Definitions RTC Alarms Definitions
  279. * @{
  280. */
  281. #define RTC_ALARM_A RTC_CR_ALRAE
  282. #define RTC_ALARM_B RTC_CR_ALRBE
  283. /**
  284. * @}
  285. */
  286. /** @defgroup RTC_Alarm_Sub_Seconds_Masks_Definitions RTC Alarm Sub Seconds Masks Definitions
  287. * @{
  288. */
  289. #define RTC_ALARMSUBSECONDMASK_ALL ((uint32_t)0x00000000) /*!< All Alarm SS fields are masked.
  290. There is no comparison on sub seconds
  291. for Alarm */
  292. #define RTC_ALARMSUBSECONDMASK_SS14_1 ((uint32_t)0x01000000) /*!< SS[14:1] are don't care in Alarm
  293. comparison. Only SS[0] is compared. */
  294. #define RTC_ALARMSUBSECONDMASK_SS14_2 ((uint32_t)0x02000000) /*!< SS[14:2] are don't care in Alarm
  295. comparison. Only SS[1:0] are compared */
  296. #define RTC_ALARMSUBSECONDMASK_SS14_3 ((uint32_t)0x03000000) /*!< SS[14:3] are don't care in Alarm
  297. comparison. Only SS[2:0] are compared */
  298. #define RTC_ALARMSUBSECONDMASK_SS14_4 ((uint32_t)0x04000000) /*!< SS[14:4] are don't care in Alarm
  299. comparison. Only SS[3:0] are compared */
  300. #define RTC_ALARMSUBSECONDMASK_SS14_5 ((uint32_t)0x05000000) /*!< SS[14:5] are don't care in Alarm
  301. comparison. Only SS[4:0] are compared */
  302. #define RTC_ALARMSUBSECONDMASK_SS14_6 ((uint32_t)0x06000000) /*!< SS[14:6] are don't care in Alarm
  303. comparison. Only SS[5:0] are compared */
  304. #define RTC_ALARMSUBSECONDMASK_SS14_7 ((uint32_t)0x07000000) /*!< SS[14:7] are don't care in Alarm
  305. comparison. Only SS[6:0] are compared */
  306. #define RTC_ALARMSUBSECONDMASK_SS14_8 ((uint32_t)0x08000000) /*!< SS[14:8] are don't care in Alarm
  307. comparison. Only SS[7:0] are compared */
  308. #define RTC_ALARMSUBSECONDMASK_SS14_9 ((uint32_t)0x09000000) /*!< SS[14:9] are don't care in Alarm
  309. comparison. Only SS[8:0] are compared */
  310. #define RTC_ALARMSUBSECONDMASK_SS14_10 ((uint32_t)0x0A000000) /*!< SS[14:10] are don't care in Alarm
  311. comparison. Only SS[9:0] are compared */
  312. #define RTC_ALARMSUBSECONDMASK_SS14_11 ((uint32_t)0x0B000000) /*!< SS[14:11] are don't care in Alarm
  313. comparison. Only SS[10:0] are compared */
  314. #define RTC_ALARMSUBSECONDMASK_SS14_12 ((uint32_t)0x0C000000) /*!< SS[14:12] are don't care in Alarm
  315. comparison. Only SS[11:0] are compared */
  316. #define RTC_ALARMSUBSECONDMASK_SS14_13 ((uint32_t)0x0D000000) /*!< SS[14:13] are don't care in Alarm
  317. comparison. Only SS[12:0] are compared */
  318. #define RTC_ALARMSUBSECONDMASK_SS14 ((uint32_t)0x0E000000) /*!< SS[14] is don't care in Alarm
  319. comparison. Only SS[13:0] are compared */
  320. #define RTC_ALARMSUBSECONDMASK_NONE ((uint32_t)0x0F000000) /*!< SS[14:0] are compared and must match
  321. to activate alarm. */
  322. /**
  323. * @}
  324. */
  325. /** @defgroup RTC_Interrupts_Definitions RTC Interrupts Definitions
  326. * @{
  327. */
  328. #define RTC_IT_TS ((uint32_t)RTC_CR_TSIE) /*!< Enable Timestamp Interrupt */
  329. #define RTC_IT_WUT ((uint32_t)RTC_CR_WUTIE) /*!< Enable Wakeup timer Interrupt */
  330. #define RTC_IT_ALRA ((uint32_t)RTC_CR_ALRAIE) /*!< Enable Alarm A Interrupt */
  331. #define RTC_IT_ALRB ((uint32_t)RTC_CR_ALRBIE) /*!< Enable Alarm B Interrupt */
  332. #define RTC_IT_TAMP ((uint32_t)RTC_TAMPCR_TAMPIE) /*!< Enable all Tamper Interrupt */
  333. #define RTC_IT_TAMP1 ((uint32_t)RTC_TAMPCR_TAMP1IE) /*!< Enable Tamper 1 Interrupt */
  334. #define RTC_IT_TAMP2 ((uint32_t)RTC_TAMPCR_TAMP2IE) /*!< Enable Tamper 2 Interrupt */
  335. #define RTC_IT_TAMP3 ((uint32_t)RTC_TAMPCR_TAMP3IE) /*!< Enable Tamper 3 Interrupt */
  336. /**
  337. * @}
  338. */
  339. /** @defgroup RTC_Flags_Definitions RTC Flags Definitions
  340. * @{
  341. */
  342. #define RTC_FLAG_RECALPF ((uint32_t)RTC_ISR_RECALPF)
  343. #define RTC_FLAG_TAMP3F ((uint32_t)RTC_ISR_TAMP3F)
  344. #define RTC_FLAG_TAMP2F ((uint32_t)RTC_ISR_TAMP2F)
  345. #define RTC_FLAG_TAMP1F ((uint32_t)RTC_ISR_TAMP1F)
  346. #define RTC_FLAG_TSOVF ((uint32_t)RTC_ISR_TSOVF)
  347. #define RTC_FLAG_TSF ((uint32_t)RTC_ISR_TSF)
  348. #define RTC_FLAG_ITSF ((uint32_t)RTC_ISR_ITSF)
  349. #define RTC_FLAG_WUTF ((uint32_t)RTC_ISR_WUTF)
  350. #define RTC_FLAG_ALRBF ((uint32_t)RTC_ISR_ALRBF)
  351. #define RTC_FLAG_ALRAF ((uint32_t)RTC_ISR_ALRAF)
  352. #define RTC_FLAG_INITF ((uint32_t)RTC_ISR_INITF)
  353. #define RTC_FLAG_RSF ((uint32_t)RTC_ISR_RSF)
  354. #define RTC_FLAG_INITS ((uint32_t)RTC_ISR_INITS)
  355. #define RTC_FLAG_SHPF ((uint32_t)RTC_ISR_SHPF)
  356. #define RTC_FLAG_WUTWF ((uint32_t)RTC_ISR_WUTWF)
  357. #define RTC_FLAG_ALRBWF ((uint32_t)RTC_ISR_ALRBWF)
  358. #define RTC_FLAG_ALRAWF ((uint32_t)RTC_ISR_ALRAWF)
  359. /**
  360. * @}
  361. */
  362. /**
  363. * @}
  364. */
  365. /* Exported macros -----------------------------------------------------------*/
  366. /** @defgroup RTC_Exported_Macros RTC Exported Macros
  367. * @{
  368. */
  369. /** @brief Reset RTC handle state.
  370. * @param __HANDLE__: RTC handle.
  371. * @retval None
  372. */
  373. #define __HAL_RTC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_RTC_STATE_RESET)
  374. /**
  375. * @brief Disable the write protection for RTC registers.
  376. * @param __HANDLE__: specifies the RTC handle.
  377. * @retval None
  378. */
  379. #define __HAL_RTC_WRITEPROTECTION_DISABLE(__HANDLE__) \
  380. do{ \
  381. (__HANDLE__)->Instance->WPR = 0xCA; \
  382. (__HANDLE__)->Instance->WPR = 0x53; \
  383. } while(0)
  384. /**
  385. * @brief Enable the write protection for RTC registers.
  386. * @param __HANDLE__: specifies the RTC handle.
  387. * @retval None
  388. */
  389. #define __HAL_RTC_WRITEPROTECTION_ENABLE(__HANDLE__) \
  390. do{ \
  391. (__HANDLE__)->Instance->WPR = 0xFF; \
  392. } while(0)
  393. /**
  394. * @brief Enable the RTC ALARMA peripheral.
  395. * @param __HANDLE__: specifies the RTC handle.
  396. * @retval None
  397. */
  398. #define __HAL_RTC_ALARMA_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |= (RTC_CR_ALRAE))
  399. /**
  400. * @brief Disable the RTC ALARMA peripheral.
  401. * @param __HANDLE__: specifies the RTC handle.
  402. * @retval None
  403. */
  404. #define __HAL_RTC_ALARMA_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~(RTC_CR_ALRAE))
  405. /**
  406. * @brief Enable the RTC ALARMB peripheral.
  407. * @param __HANDLE__: specifies the RTC handle.
  408. * @retval None
  409. */
  410. #define __HAL_RTC_ALARMB_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |= (RTC_CR_ALRBE))
  411. /**
  412. * @brief Disable the RTC ALARMB peripheral.
  413. * @param __HANDLE__: specifies the RTC handle.
  414. * @retval None
  415. */
  416. #define __HAL_RTC_ALARMB_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~(RTC_CR_ALRBE))
  417. /**
  418. * @brief Enable the RTC Alarm interrupt.
  419. * @param __HANDLE__: specifies the RTC handle.
  420. * @param __INTERRUPT__: specifies the RTC Alarm interrupt sources to be enabled or disabled.
  421. * This parameter can be any combination of the following values:
  422. * @arg RTC_IT_ALRA: Alarm A interrupt
  423. * @arg RTC_IT_ALRB: Alarm B interrupt
  424. * @retval None
  425. */
  426. #define __HAL_RTC_ALARM_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR |= (__INTERRUPT__))
  427. /**
  428. * @brief Disable the RTC Alarm interrupt.
  429. * @param __HANDLE__: specifies the RTC handle.
  430. * @param __INTERRUPT__: specifies the RTC Alarm interrupt sources to be enabled or disabled.
  431. * This parameter can be any combination of the following values:
  432. * @arg RTC_IT_ALRA: Alarm A interrupt
  433. * @arg RTC_IT_ALRB: Alarm B interrupt
  434. * @retval None
  435. */
  436. #define __HAL_RTC_ALARM_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR &= ~(__INTERRUPT__))
  437. /**
  438. * @brief Check whether the specified RTC Alarm interrupt has occurred or not.
  439. * @param __HANDLE__: specifies the RTC handle.
  440. * @param __INTERRUPT__: specifies the RTC Alarm interrupt sources to check.
  441. * This parameter can be:
  442. * @arg RTC_IT_ALRA: Alarm A interrupt
  443. * @arg RTC_IT_ALRB: Alarm B interrupt
  444. * @retval None
  445. */
  446. #define __HAL_RTC_ALARM_GET_IT(__HANDLE__, __INTERRUPT__) (((((__HANDLE__)->Instance->ISR)& ((__INTERRUPT__)>> 4)) != RESET) ? SET : RESET)
  447. /**
  448. * @brief Get the selected RTC Alarm's flag status.
  449. * @param __HANDLE__: specifies the RTC handle.
  450. * @param __FLAG__: specifies the RTC Alarm Flag sources to check.
  451. * This parameter can be:
  452. * @arg RTC_FLAG_ALRAF
  453. * @arg RTC_FLAG_ALRBF
  454. * @arg RTC_FLAG_ALRAWF
  455. * @arg RTC_FLAG_ALRBWF
  456. * @retval None
  457. */
  458. #define __HAL_RTC_ALARM_GET_FLAG(__HANDLE__, __FLAG__) (((((__HANDLE__)->Instance->ISR) & (__FLAG__)) != RESET) ? SET : RESET)
  459. /**
  460. * @brief Clear the RTC Alarm's pending flags.
  461. * @param __HANDLE__: specifies the RTC handle.
  462. * @param __FLAG__: specifies the RTC Alarm Flag sources to clear.
  463. * This parameter can be:
  464. * @arg RTC_FLAG_ALRAF
  465. * @arg RTC_FLAG_ALRBF
  466. * @retval None
  467. */
  468. #define __HAL_RTC_ALARM_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ISR) = (~((__FLAG__) | RTC_ISR_INIT)|((__HANDLE__)->Instance->ISR & RTC_ISR_INIT))
  469. /**
  470. * @brief Check whether the specified RTC Alarm interrupt is enabled or not.
  471. * @param __HANDLE__: specifies the RTC handle.
  472. * @param __INTERRUPT__: specifies the RTC Alarm interrupt sources to check.
  473. * This parameter can be:
  474. * @arg RTC_IT_ALRA: Alarm A interrupt
  475. * @arg RTC_IT_ALRB: Alarm B interrupt
  476. * @retval None
  477. */
  478. #define __HAL_RTC_ALARM_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (((((__HANDLE__)->Instance->CR) & (__INTERRUPT__)) != RESET) ? SET : RESET)
  479. /**
  480. * @brief Enable interrupt on the RTC Alarm associated Exti line.
  481. * @retval None
  482. */
  483. #define __HAL_RTC_ALARM_EXTI_ENABLE_IT() (EXTI->IMR1 |= RTC_EXTI_LINE_ALARM_EVENT)
  484. /**
  485. * @brief Disable interrupt on the RTC Alarm associated Exti line.
  486. * @retval None
  487. */
  488. #define __HAL_RTC_ALARM_EXTI_DISABLE_IT() (EXTI->IMR1 &= ~(RTC_EXTI_LINE_ALARM_EVENT))
  489. /**
  490. * @brief Enable event on the RTC Alarm associated Exti line.
  491. * @retval None
  492. */
  493. #define __HAL_RTC_ALARM_EXTI_ENABLE_EVENT() (EXTI->EMR1 |= RTC_EXTI_LINE_ALARM_EVENT)
  494. /**
  495. * @brief Disable event on the RTC Alarm associated Exti line.
  496. * @retval None
  497. */
  498. #define __HAL_RTC_ALARM_EXTI_DISABLE_EVENT() (EXTI->EMR1 &= ~(RTC_EXTI_LINE_ALARM_EVENT))
  499. /**
  500. * @brief Enable falling edge trigger on the RTC Alarm associated Exti line.
  501. * @retval None
  502. */
  503. #define __HAL_RTC_ALARM_EXTI_ENABLE_FALLING_EDGE() (EXTI->FTSR1 |= RTC_EXTI_LINE_ALARM_EVENT)
  504. /**
  505. * @brief Disable falling edge trigger on the RTC Alarm associated Exti line.
  506. * @retval None
  507. */
  508. #define __HAL_RTC_ALARM_EXTI_DISABLE_FALLING_EDGE() (EXTI->FTSR1 &= ~(RTC_EXTI_LINE_ALARM_EVENT))
  509. /**
  510. * @brief Enable rising edge trigger on the RTC Alarm associated Exti line.
  511. * @retval None
  512. */
  513. #define __HAL_RTC_ALARM_EXTI_ENABLE_RISING_EDGE() (EXTI->RTSR1 |= RTC_EXTI_LINE_ALARM_EVENT)
  514. /**
  515. * @brief Disable rising edge trigger on the RTC Alarm associated Exti line.
  516. * @retval None
  517. */
  518. #define __HAL_RTC_ALARM_EXTI_DISABLE_RISING_EDGE() (EXTI->RTSR1 &= ~(RTC_EXTI_LINE_ALARM_EVENT))
  519. /**
  520. * @brief Enable rising & falling edge trigger on the RTC Alarm associated Exti line.
  521. * @retval None
  522. */
  523. #define __HAL_RTC_ALARM_EXTI_ENABLE_RISING_FALLING_EDGE() do { \
  524. __HAL_RTC_ALARM_EXTI_ENABLE_RISING_EDGE(); \
  525. __HAL_RTC_ALARM_EXTI_ENABLE_FALLING_EDGE(); \
  526. } while(0)
  527. /**
  528. * @brief Disable rising & falling edge trigger on the RTC Alarm associated Exti line.
  529. * @retval None
  530. */
  531. #define __HAL_RTC_ALARM_EXTI_DISABLE_RISING_FALLING_EDGE() do { \
  532. __HAL_RTC_ALARM_EXTI_DISABLE_RISING_EDGE(); \
  533. __HAL_RTC_ALARM_EXTI_DISABLE_FALLING_EDGE(); \
  534. } while(0)
  535. /**
  536. * @brief Check whether the RTC Alarm associated Exti line interrupt flag is set or not.
  537. * @retval Line Status.
  538. */
  539. #define __HAL_RTC_ALARM_EXTI_GET_FLAG() (EXTI->PR1 & RTC_EXTI_LINE_ALARM_EVENT)
  540. /**
  541. * @brief Clear the RTC Alarm associated Exti line flag.
  542. * @retval None
  543. */
  544. #define __HAL_RTC_ALARM_EXTI_CLEAR_FLAG() (EXTI->PR1 = RTC_EXTI_LINE_ALARM_EVENT)
  545. /**
  546. * @brief Generate a Software interrupt on RTC Alarm associated Exti line.
  547. * @retval None
  548. */
  549. #define __HAL_RTC_ALARM_EXTI_GENERATE_SWIT() (EXTI->SWIER1 |= RTC_EXTI_LINE_ALARM_EVENT)
  550. /**
  551. * @}
  552. */
  553. /* Include RTC HAL Extended module */
  554. #include "stm32l4xx_hal_rtc_ex.h"
  555. /* Exported functions --------------------------------------------------------*/
  556. /** @addtogroup RTC_Exported_Functions
  557. * @{
  558. */
  559. /** @addtogroup RTC_Exported_Functions_Group1
  560. * @{
  561. */
  562. /* Initialization and de-initialization functions ****************************/
  563. HAL_StatusTypeDef HAL_RTC_Init(RTC_HandleTypeDef *hrtc);
  564. HAL_StatusTypeDef HAL_RTC_DeInit(RTC_HandleTypeDef *hrtc);
  565. void HAL_RTC_MspInit(RTC_HandleTypeDef *hrtc);
  566. void HAL_RTC_MspDeInit(RTC_HandleTypeDef *hrtc);
  567. /**
  568. * @}
  569. */
  570. /** @addtogroup RTC_Exported_Functions_Group2
  571. * @{
  572. */
  573. /* RTC Time and Date functions ************************************************/
  574. HAL_StatusTypeDef HAL_RTC_SetTime(RTC_HandleTypeDef *hrtc, RTC_TimeTypeDef *sTime, uint32_t Format);
  575. HAL_StatusTypeDef HAL_RTC_GetTime(RTC_HandleTypeDef *hrtc, RTC_TimeTypeDef *sTime, uint32_t Format);
  576. HAL_StatusTypeDef HAL_RTC_SetDate(RTC_HandleTypeDef *hrtc, RTC_DateTypeDef *sDate, uint32_t Format);
  577. HAL_StatusTypeDef HAL_RTC_GetDate(RTC_HandleTypeDef *hrtc, RTC_DateTypeDef *sDate, uint32_t Format);
  578. /**
  579. * @}
  580. */
  581. /** @addtogroup RTC_Exported_Functions_Group3
  582. * @{
  583. */
  584. /* RTC Alarm functions ********************************************************/
  585. HAL_StatusTypeDef HAL_RTC_SetAlarm(RTC_HandleTypeDef *hrtc, RTC_AlarmTypeDef *sAlarm, uint32_t Format);
  586. HAL_StatusTypeDef HAL_RTC_SetAlarm_IT(RTC_HandleTypeDef *hrtc, RTC_AlarmTypeDef *sAlarm, uint32_t Format);
  587. HAL_StatusTypeDef HAL_RTC_DeactivateAlarm(RTC_HandleTypeDef *hrtc, uint32_t Alarm);
  588. HAL_StatusTypeDef HAL_RTC_GetAlarm(RTC_HandleTypeDef *hrtc, RTC_AlarmTypeDef *sAlarm, uint32_t Alarm, uint32_t Format);
  589. void HAL_RTC_AlarmIRQHandler(RTC_HandleTypeDef *hrtc);
  590. HAL_StatusTypeDef HAL_RTC_PollForAlarmAEvent(RTC_HandleTypeDef *hrtc, uint32_t Timeout);
  591. void HAL_RTC_AlarmAEventCallback(RTC_HandleTypeDef *hrtc);
  592. /**
  593. * @}
  594. */
  595. /** @addtogroup RTC_Exported_Functions_Group4
  596. * @{
  597. */
  598. /* Peripheral Control functions ***********************************************/
  599. HAL_StatusTypeDef HAL_RTC_WaitForSynchro(RTC_HandleTypeDef* hrtc);
  600. /**
  601. * @}
  602. */
  603. /** @addtogroup RTC_Exported_Functions_Group5
  604. * @{
  605. */
  606. /* Peripheral State functions *************************************************/
  607. HAL_RTCStateTypeDef HAL_RTC_GetState(RTC_HandleTypeDef *hrtc);
  608. /**
  609. * @}
  610. */
  611. /**
  612. * @}
  613. */
  614. /* Private types -------------------------------------------------------------*/
  615. /* Private variables ---------------------------------------------------------*/
  616. /* Private constants ---------------------------------------------------------*/
  617. /** @defgroup RTC_Private_Constants RTC Private Constants
  618. * @{
  619. */
  620. /* Masks Definition */
  621. #define RTC_TR_RESERVED_MASK 0x007F7F7FU
  622. #define RTC_DR_RESERVED_MASK 0x00FFFF3FU
  623. #define RTC_INIT_MASK 0xFFFFFFFFU
  624. #define RTC_RSF_MASK 0xFFFFFF5FU
  625. #define RTC_TIMEOUT_VALUE 1000
  626. #define RTC_EXTI_LINE_ALARM_EVENT ((uint32_t)0x00040000) /*!< External interrupt line 18 Connected to the RTC Alarm event */
  627. /**
  628. * @}
  629. */
  630. /* Private macros ------------------------------------------------------------*/
  631. /** @defgroup RTC_Private_Macros RTC Private Macros
  632. * @{
  633. */
  634. /** @defgroup RTC_IS_RTC_Definitions RTC Private macros to check input parameters
  635. * @{
  636. */
  637. #define IS_RTC_HOUR_FORMAT(FORMAT) (((FORMAT) == RTC_HOURFORMAT_12) || \
  638. ((FORMAT) == RTC_HOURFORMAT_24))
  639. #define IS_RTC_OUTPUT_POL(POL) (((POL) == RTC_OUTPUT_POLARITY_HIGH) || \
  640. ((POL) == RTC_OUTPUT_POLARITY_LOW))
  641. #define IS_RTC_OUTPUT_TYPE(TYPE) (((TYPE) == RTC_OUTPUT_TYPE_OPENDRAIN) || \
  642. ((TYPE) == RTC_OUTPUT_TYPE_PUSHPULL))
  643. #define IS_RTC_OUTPUT_REMAP(REMAP) (((REMAP) == RTC_OUTPUT_REMAP_NONE) || \
  644. ((REMAP) == RTC_OUTPUT_REMAP_POS1))
  645. #define IS_RTC_HOURFORMAT12(PM) (((PM) == RTC_HOURFORMAT12_AM) || ((PM) == RTC_HOURFORMAT12_PM))
  646. #define IS_RTC_DAYLIGHT_SAVING(SAVE) (((SAVE) == RTC_DAYLIGHTSAVING_SUB1H) || \
  647. ((SAVE) == RTC_DAYLIGHTSAVING_ADD1H) || \
  648. ((SAVE) == RTC_DAYLIGHTSAVING_NONE))
  649. #define IS_RTC_STORE_OPERATION(OPERATION) (((OPERATION) == RTC_STOREOPERATION_RESET) || \
  650. ((OPERATION) == RTC_STOREOPERATION_SET))
  651. #define IS_RTC_FORMAT(FORMAT) (((FORMAT) == RTC_FORMAT_BIN) || ((FORMAT) == RTC_FORMAT_BCD))
  652. #define IS_RTC_YEAR(YEAR) ((YEAR) <= (uint32_t)99)
  653. #define IS_RTC_MONTH(MONTH) (((MONTH) >= (uint32_t)1) && ((MONTH) <= (uint32_t)12))
  654. #define IS_RTC_DATE(DATE) (((DATE) >= (uint32_t)1) && ((DATE) <= (uint32_t)31))
  655. #define IS_RTC_WEEKDAY(WEEKDAY) (((WEEKDAY) == RTC_WEEKDAY_MONDAY) || \
  656. ((WEEKDAY) == RTC_WEEKDAY_TUESDAY) || \
  657. ((WEEKDAY) == RTC_WEEKDAY_WEDNESDAY) || \
  658. ((WEEKDAY) == RTC_WEEKDAY_THURSDAY) || \
  659. ((WEEKDAY) == RTC_WEEKDAY_FRIDAY) || \
  660. ((WEEKDAY) == RTC_WEEKDAY_SATURDAY) || \
  661. ((WEEKDAY) == RTC_WEEKDAY_SUNDAY))
  662. #define IS_RTC_ALARM_DATE_WEEKDAY_DATE(DATE) (((DATE) >(uint32_t) 0) && ((DATE) <= (uint32_t)31))
  663. #define IS_RTC_ALARM_DATE_WEEKDAY_WEEKDAY(WEEKDAY) (((WEEKDAY) == RTC_WEEKDAY_MONDAY) || \
  664. ((WEEKDAY) == RTC_WEEKDAY_TUESDAY) || \
  665. ((WEEKDAY) == RTC_WEEKDAY_WEDNESDAY) || \
  666. ((WEEKDAY) == RTC_WEEKDAY_THURSDAY) || \
  667. ((WEEKDAY) == RTC_WEEKDAY_FRIDAY) || \
  668. ((WEEKDAY) == RTC_WEEKDAY_SATURDAY) || \
  669. ((WEEKDAY) == RTC_WEEKDAY_SUNDAY))
  670. #define IS_RTC_ALARM_DATE_WEEKDAY_SEL(SEL) (((SEL) == RTC_ALARMDATEWEEKDAYSEL_DATE) || \
  671. ((SEL) == RTC_ALARMDATEWEEKDAYSEL_WEEKDAY))
  672. #define IS_RTC_ALARM_MASK(MASK) (((MASK) & 0x7F7F7F7F) == (uint32_t)RESET)
  673. #define IS_RTC_ALARM(ALARM) (((ALARM) == RTC_ALARM_A) || ((ALARM) == RTC_ALARM_B))
  674. #define IS_RTC_ALARM_SUB_SECOND_VALUE(VALUE) ((VALUE) <= (uint32_t)0x00007FFF)
  675. #define IS_RTC_ALARM_SUB_SECOND_MASK(MASK) (((MASK) == RTC_ALARMSUBSECONDMASK_ALL) || \
  676. ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_1) || \
  677. ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_2) || \
  678. ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_3) || \
  679. ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_4) || \
  680. ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_5) || \
  681. ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_6) || \
  682. ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_7) || \
  683. ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_8) || \
  684. ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_9) || \
  685. ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_10) || \
  686. ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_11) || \
  687. ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_12) || \
  688. ((MASK) == RTC_ALARMSUBSECONDMASK_SS14_13) || \
  689. ((MASK) == RTC_ALARMSUBSECONDMASK_SS14) || \
  690. ((MASK) == RTC_ALARMSUBSECONDMASK_NONE))
  691. #define IS_RTC_ASYNCH_PREDIV(PREDIV) ((PREDIV) <= (uint32_t)0x7F)
  692. #define IS_RTC_SYNCH_PREDIV(PREDIV) ((PREDIV) <= (uint32_t)0x7FFF)
  693. #define IS_RTC_HOUR12(HOUR) (((HOUR) > (uint32_t)0) && ((HOUR) <= (uint32_t)12))
  694. #define IS_RTC_HOUR24(HOUR) ((HOUR) <= (uint32_t)23)
  695. #define IS_RTC_MINUTES(MINUTES) ((MINUTES) <= (uint32_t)59)
  696. #define IS_RTC_SECONDS(SECONDS) ((SECONDS) <= (uint32_t)59)
  697. /**
  698. * @}
  699. */
  700. /**
  701. * @}
  702. */
  703. /* Private functions ---------------------------------------------------------*/
  704. /** @addtogroup RTC_Private_Functions
  705. * @{
  706. */
  707. HAL_StatusTypeDef RTC_EnterInitMode(RTC_HandleTypeDef* hrtc);
  708. uint8_t RTC_ByteToBcd2(uint8_t Value);
  709. uint8_t RTC_Bcd2ToByte(uint8_t Value);
  710. /**
  711. * @}
  712. */
  713. /**
  714. * @}
  715. */
  716. /**
  717. * @}
  718. */
  719. #ifdef __cplusplus
  720. }
  721. #endif
  722. #endif /* __STM32L4xx_HAL_RTC_H */
  723. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/