1 /**************************************************************************//**
2  * @file     rtc.h
3  * @version  V3.00
4  * @brief    Real Time Clock(RTC) driver header file
5  *
6  * @copyright SPDX-License-Identifier: Apache-2.0
7  * @copyright Copyright (C) 2021 Nuvoton Technology Corp. All rights reserved.
8  *****************************************************************************/
9 #ifndef __RTC_H__
10 #define __RTC_H__
11 
12 #ifdef __cplusplus
13 extern "C"
14 {
15 #endif
16 
17 
18 /** @addtogroup Standard_Driver Standard Driver
19   @{
20 */
21 
22 /** @addtogroup RTC_Driver RTC Driver
23   @{
24 */
25 
26 /** @addtogroup RTC_EXPORTED_CONSTANTS RTC Exported Constants
27   @{
28 */
29 /*---------------------------------------------------------------------------------------------------------*/
30 /*  RTC Initial Keyword Constant Definitions                                                               */
31 /*---------------------------------------------------------------------------------------------------------*/
32 #define RTC_INIT_KEY            0xA5EB1357UL    /*!< RTC Initiation Key to make RTC leaving reset state \hideinitializer */
33 
34 /*---------------------------------------------------------------------------------------------------------*/
35 /*  RTC Time Attribute Constant Definitions                                                                */
36 /*---------------------------------------------------------------------------------------------------------*/
37 #define RTC_CLOCK_12            0UL             /*!< RTC as 12-hour time scale with AM and PM indication \hideinitializer */
38 #define RTC_CLOCK_24            1UL             /*!< RTC as 24-hour time scale \hideinitializer */
39 #define RTC_AM                  1UL             /*!< RTC as AM indication \hideinitializer */
40 #define RTC_PM                  2UL             /*!< RTC as PM indication \hideinitializer */
41 
42 /*---------------------------------------------------------------------------------------------------------*/
43 /*  RTC Tick Period Constant Definitions                                                                   */
44 /*---------------------------------------------------------------------------------------------------------*/
45 #define RTC_TICK_1_SEC          0x0UL           /*!< RTC time tick period is 1 second \hideinitializer */
46 #define RTC_TICK_1_2_SEC        0x1UL           /*!< RTC time tick period is 1/2 second \hideinitializer */
47 #define RTC_TICK_1_4_SEC        0x2UL           /*!< RTC time tick period is 1/4 second \hideinitializer */
48 #define RTC_TICK_1_8_SEC        0x3UL           /*!< RTC time tick period is 1/8 second \hideinitializer */
49 #define RTC_TICK_1_16_SEC       0x4UL           /*!< RTC time tick period is 1/16 second \hideinitializer */
50 #define RTC_TICK_1_32_SEC       0x5UL           /*!< RTC time tick period is 1/32 second \hideinitializer */
51 #define RTC_TICK_1_64_SEC       0x6UL           /*!< RTC time tick period is 1/64 second \hideinitializer */
52 #define RTC_TICK_1_128_SEC      0x7UL           /*!< RTC time tick period is 1/128 second \hideinitializer */
53 
54 /*---------------------------------------------------------------------------------------------------------*/
55 /*  RTC Day of Week Constant Definitions                                                                   */
56 /*---------------------------------------------------------------------------------------------------------*/
57 #define RTC_SUNDAY              0x0UL           /*!< Day of the Week is Sunday \hideinitializer */
58 #define RTC_MONDAY              0x1UL           /*!< Day of the Week is Monday \hideinitializer */
59 #define RTC_TUESDAY             0x2UL           /*!< Day of the Week is Tuesday \hideinitializer */
60 #define RTC_WEDNESDAY           0x3UL           /*!< Day of the Week is Wednesday \hideinitializer */
61 #define RTC_THURSDAY            0x4UL           /*!< Day of the Week is Thursday \hideinitializer */
62 #define RTC_FRIDAY              0x5UL           /*!< Day of the Week is Friday \hideinitializer */
63 #define RTC_SATURDAY            0x6UL           /*!< Day of the Week is Saturday \hideinitializer */
64 
65 /*---------------------------------------------------------------------------------------------------------*/
66 /*  RTC Miscellaneous Constant Definitions                                                                 */
67 /*---------------------------------------------------------------------------------------------------------*/
68 #define RTC_YEAR2000            2000UL          /*!< RTC Reference for compute year data \hideinitializer */
69 #define RTC_FCR_REFERENCE       32752           /*!< RTC Reference for frequency compensation */
70 
71 /*---------------------------------------------------------------------------------------------------------*/
72 /*  RTC Tamper Constant Definitions                                                                        */
73 /*---------------------------------------------------------------------------------------------------------*/
74 #define RTC_TAMPER0_SELECT      (0x1UL << 0)    /*!< Select Tamper 0 \hideinitializer */
75 #define RTC_TAMPER1_SELECT      (0x1UL << 1)    /*!< Select Tamper 1 \hideinitializer */
76 #define RTC_TAMPER2_SELECT      (0x1UL << 2)    /*!< Select Tamper 2 \hideinitializer */
77 #define RTC_TAMPER3_SELECT      (0x1UL << 3)    /*!< Select Tamper 3 \hideinitializer */
78 #define RTC_TAMPER4_SELECT      (0x1UL << 4)    /*!< Select Tamper 4 \hideinitializer */
79 #define RTC_TAMPER5_SELECT      (0x1UL << 5)    /*!< Select Tamper 5 \hideinitializer */
80 #define RTC_MAX_TAMPER_PIN_NUM  6UL             /*!< Tamper Pin number \hideinitializer */
81 
82 #define RTC_TAMPER_LOW_LEVEL_DETECT     0UL     /*!< Tamper pin detect voltage level is low  \hideinitializer */
83 #define RTC_TAMPER_HIGH_LEVEL_DETECT    1UL     /*!< Tamper pin detect voltage level is high \hideinitializer */
84 
85 #define RTC_TAMPER_DEBOUNCE_DISABLE     0UL     /*!< Disable RTC tamper pin de-bounce function \hideinitializer */
86 #define RTC_TAMPER_DEBOUNCE_ENABLE      1UL     /*!< Enable RTC tamper pin de-bounce function \hideinitializer */
87 
88 #define RTC_PAIR0_SELECT        (0x1UL << 0)    /*!< Select Pair 0 \hideinitializer */
89 #define RTC_PAIR1_SELECT        (0x1UL << 1)    /*!< Select Pair 1 \hideinitializer */
90 #define RTC_PAIR2_SELECT        (0x1UL << 2)    /*!< Select Pair 2 \hideinitializer */
91 #define RTC_MAX_PAIR_NUM        3UL             /*!< Pair number \hideinitializer */
92 
93 #define RTC_2POW10_CLK          (0x0UL << RTC_TAMPCTL_DYNRATE_Pos) /*!< 1024 RTC clock cycles \hideinitializer */
94 #define RTC_2POW11_CLK          (0x1UL << RTC_TAMPCTL_DYNRATE_Pos) /*!< 1024 x 2 RTC clock cycles \hideinitializer */
95 #define RTC_2POW12_CLK          (0x2UL << RTC_TAMPCTL_DYNRATE_Pos) /*!< 1024 x 4 RTC clock cycles \hideinitializer */
96 #define RTC_2POW13_CLK          (0x3UL << RTC_TAMPCTL_DYNRATE_Pos) /*!< 1024 x 6 RTC clock cycles \hideinitializer */
97 #define RTC_2POW14_CLK          (0x4UL << RTC_TAMPCTL_DYNRATE_Pos) /*!< 1024 x 8 RTC clock cycles \hideinitializer */
98 #define RTC_2POW15_CLK          (0x5UL << RTC_TAMPCTL_DYNRATE_Pos) /*!< 1024 x 16 RTC clock cycles \hideinitializer */
99 #define RTC_2POW16_CLK          (0x6UL << RTC_TAMPCTL_DYNRATE_Pos) /*!< 1024 x 32 RTC clock cycles \hideinitializer */
100 #define RTC_2POW17_CLK          (0x7UL << RTC_TAMPCTL_DYNRATE_Pos) /*!< 1024 x 64 RTC clock cycles \hideinitializer */
101 
102 #define RTC_REF_RANDOM_PATTERN  0x0UL   /*!< The new reference pattern is generated by random number generator when the reference pattern run out \hideinitializer */
103 #define RTC_REF_SEED_VALUE      0x1UL   /*!< The new reference pattern is repeated from SEED (RTC_TAMPSEED[31:0]) when the reference pattern run out \hideinitializer */
104 
105 /*---------------------------------------------------------------------------------------------------------*/
106 /*  RTC Clock Source Constant Definitions                                                                  */
107 /*---------------------------------------------------------------------------------------------------------*/
108 #define RTC_CLOCK_SOURCE_LXT        0UL /*!< Set RTC clock source as external LXT \hideinitializer */
109 #define RTC_CLOCK_SOURCE_LIRC       1UL /*!< Set RTC clock source as LIRC \hideinitializer */
110 
111 /*---------------------------------------------------------------------------------------------------------*/
112 /*  RTC GPIO_MODE Constant Definitions                                                                     */
113 /*---------------------------------------------------------------------------------------------------------*/
114 #define RTC_IO_MODE_INPUT       	0x0UL   /*!< Input Mode */
115 #define RTC_IO_MODE_OUTPUT      	0x1UL   /*!< Output Mode */
116 #define RTC_IO_MODE_OPEN_DRAIN  	0x2UL   /*!< Open-Drain Mode */
117 #define RTC_IO_MODE_QUASI       	0x3UL   /*!< Quasi-bidirectional Mode */
118 
119 #define RTC_IO_DIGITAL_ENABLE   	0UL     /*!< I/O digital path is enabled */
120 #define RTC_IO_DIGITAL_DISABLE  	1UL     /*!< I/O digital path is disabled */
121 
122 #define RTC_IO_PULL_UP_DOWN_DISABLE     0x0UL   /*!< I/O pull-up and pull-down is disabled */
123 #define RTC_IO_PULL_UP_ENABLE           0x1UL   /*!< I/O pull-up is enabled */
124 #define RTC_IO_PULL_DOWN_ENABLE         0x2UL   /*!< I/O pull-down is enabled */
125 
126 /*---------------------------------------------------------------------------------------------------------*/
127 /* RTC Define Error Code                                                                                   */
128 /*---------------------------------------------------------------------------------------------------------*/
129 #define RTC_TIMEOUT         SystemCoreClock     /*!< RTC time-out counter (1 second time-out) */
130 #define RTC_OK              ( 0L)               /*!< RTC operation OK */
131 #define RTC_ERR_FAIL        (-1L)               /*!< RTC operation failed */
132 #define RTC_ERR_TIMEOUT     (-2L)               /*!< RTC operation abort due to timeout error */
133 
134 
135 /**@}*/ /* end of group RTC_EXPORTED_CONSTANTS */
136 
137 
138 /** @addtogroup RTC_EXPORTED_STRUCTS RTC Exported Structs
139   @{
140 */
141 /**
142   * @details    RTC define Time Data Struct
143   */
144 typedef struct
145 {
146     uint32_t u32Year;           /*!< Year value */
147     uint32_t u32Month;          /*!< Month value */
148     uint32_t u32Day;            /*!< Day value */
149     uint32_t u32DayOfWeek;      /*!< Day of week value */
150     uint32_t u32Hour;           /*!< Hour value */
151     uint32_t u32Minute;         /*!< Minute value */
152     uint32_t u32Second;         /*!< Second value */
153     uint32_t u32TimeScale;      /*!< 12-Hour, 24-Hour */
154     uint32_t u32AmPm;           /*!< Only Time Scale select 12-hr used */
155 } S_RTC_TIME_DATA_T;
156 
157 /**@}*/ /* end of group RTC_EXPORTED_STRUCTS */
158 
159 extern int32_t g_RTC_i32ErrCode;
160 
161 /** @addtogroup RTC_EXPORTED_FUNCTIONS RTC Exported Functions
162   @{
163 */
164 
165 /**
166   * @brief      Indicate is Leap Year or not
167   *
168   * @param      None
169   *
170   * @retval     0   This year is not a leap year
171   * @retval     1   This year is a leap year
172   *
173   * @details    According to current date, return this year is leap year or not.
174   * \hideinitializer
175   */
176 #define RTC_IS_LEAP_YEAR()              ((RTC->LEAPYEAR & RTC_LEAPYEAR_LEAPYEAR_Msk)? 1:0)
177 
178 /**
179   * @brief      Clear RTC Alarm Interrupt Flag
180   *
181   * @param      None
182   *
183   * @return     None
184   *
185   * @details    This macro is used to clear RTC alarm interrupt flag.
186   * \hideinitializer
187   */
188 #define RTC_CLEAR_ALARM_INT_FLAG()      (RTC->INTSTS = RTC_INTSTS_ALMIF_Msk)
189 
190 /**
191   * @brief      Clear RTC Tick Interrupt Flag
192   *
193   * @param      None
194   *
195   * @return     None
196   *
197   * @details    This macro is used to clear RTC tick interrupt flag.
198   * \hideinitializer
199   */
200 #define RTC_CLEAR_TICK_INT_FLAG()       (RTC->INTSTS = RTC_INTSTS_TICKIF_Msk)
201 
202 /**
203   * @brief      Clear RTC Tamper Interrupt Flag
204   *
205   * @param      u32TamperFlag   Tamper interrupt flag. It consists of:    \n
206   *                             - \ref RTC_INTSTS_TAMP0IF_Msk    \n
207   *                             - \ref RTC_INTSTS_TAMP1IF_Msk    \n
208   *                             - \ref RTC_INTSTS_TAMP2IF_Msk    \n
209   *                             - \ref RTC_INTSTS_TAMP3IF_Msk    \n
210   *                             - \ref RTC_INTSTS_TAMP4IF_Msk    \n
211   *                             - \ref RTC_INTSTS_TAMP5IF_Msk
212   *
213   * @return     None
214   *
215   * @details    This macro is used to clear RTC tamper pin interrupt flag.
216   * \hideinitializer
217   */
218 #define RTC_CLEAR_TAMPER_INT_FLAG(u32TamperFlag)    (RTC->INTSTS = (u32TamperFlag))
219 
220 /**
221   * @brief      Get RTC Alarm Interrupt Flag
222   *
223   * @param      None
224   *
225   * @retval     0   RTC alarm interrupt did not occur
226   * @retval     1   RTC alarm interrupt occurred
227   *
228   * @details    This macro indicates RTC alarm interrupt occurred or not.
229   * \hideinitializer
230   */
231 #define RTC_GET_ALARM_INT_FLAG()        ((RTC->INTSTS & RTC_INTSTS_ALMIF_Msk)? 1:0)
232 
233 /**
234   * @brief      Get RTC Time Tick Interrupt Flag
235   *
236   * @param      None
237   *
238   * @retval     0   RTC time tick interrupt did not occur
239   * @retval     1   RTC time tick interrupt occurred
240   *
241   * @details    This macro indicates RTC time tick interrupt occurred or not.
242   * \hideinitializer
243   */
244 #define RTC_GET_TICK_INT_FLAG()         ((RTC->INTSTS & RTC_INTSTS_TICKIF_Msk)? 1:0)
245 
246 /**
247   * @brief      Set I/O Control By GPIO Module
248   *
249   * @param      None
250   *
251   * @return     None
252   *
253   * @details    This macro sets the PF.4~11 pin I/O is controlled by GPIO module.
254   * \hideinitializer
255   */
256 #define RTC_SET_IOCTL_BY_GPIO()          	(RTC->LXTCTL &= ~RTC_LXTCTL_IOCTLSEL_Msk)
257 
258 /**
259   * @brief      Set I/O Control By RTC Module
260   *
261   * @param      None
262   *
263   * @return     None
264   *
265   * @details    This macro sets the PF.4~11 pin I/O is controlled by RTC module.
266   * \hideinitializer
267   */
268 #define RTC_SET_IOCTL_BY_RTC()           	(RTC->LXTCTL |= RTC_LXTCTL_IOCTLSEL_Msk)
269 
270 /**
271   * @brief      Get I/O Control Property
272   *
273   * @param      None
274   *
275   * @retval     0   PF.4~11 pin I/O is controlled by GPIO module
276   * @retval     1   PF.4~11 pin I/O is controlled by RTC module
277   *
278   * @details    This macro indicates the PF.4~11 pin I/O control property.
279   * \hideinitializer
280   */
281 #define RTC_GET_IOCTL_PROPERTY()      		((RTC->LXTCTL & RTC_LXTCTL_IOCTLSEL_Msk)? 1:0)
282 
283 /**
284   * @brief      Get RTC Tamper Interrupt Flag
285   *
286   * @param      None
287   *
288   * @retval     0   RTC tamper event interrupt did not occur
289   * @retval     1   RTC tamper event interrupt occurred
290   *
291   * @details    This macro indicates RTC tamper event occurred or not.
292   * \hideinitializer
293   */
294 #define RTC_GET_TAMPER_INT_FLAG()      ((RTC->INTSTS & (0x3F00))? 1:0)
295 
296 /**
297   * @brief      Get RTC Tamper Interrupt Status
298   *
299   * @param      None
300   *
301   * @retval     RTC_INTSTS_TAMP0IF_Msk    Tamper 0 interrupt flag is generated
302   * @retval     RTC_INTSTS_TAMP1IF_Msk    Tamper 1 interrupt flag is generated
303   * @retval     RTC_INTSTS_TAMP2IF_Msk    Tamper 2 interrupt flag is generated
304   * @retval     RTC_INTSTS_TAMP3IF_Msk    Tamper 3 interrupt flag is generated
305   * @retval     RTC_INTSTS_TAMP4IF_Msk    Tamper 4 interrupt flag is generated
306   * @retval     RTC_INTSTS_TAMP5IF_Msk    Tamper 5 interrupt flag is generated
307   *
308   * @details    This macro indicates RTC tamper interrupt status.
309   * \hideinitializer
310   */
311 #define RTC_GET_TAMPER_INT_STATUS()      ((RTC->INTSTS & (0x3F00)))
312 
313 /**
314   * @brief      Enable RTC Tick Wake-up Function
315   *
316   * @param      None
317   *
318   * @return     None
319   *
320   * @details    This macro is used to enable RTC tick interrupt wake-up function.
321   * \hideinitializer
322   */
323 #define RTC_ENABLE_TICK_WAKEUP()         	(RTC->INTEN |= RTC_INTEN_TICKIEN_Msk);
324 
325 /**
326   * @brief      Disable RTC Tick Wake-up Function
327   *
328   * @param[in]  rtc         The pointer of RTC module.
329   *
330   * @return     None
331   *
332   * @details    This macro is used to disable RTC tick interrupt wake-up function.
333   * \hideinitializer
334   */
335 #define RTC_DISABLE_TICK_WAKEUP(rtc)        ((rtc)->INTEN &= ~RTC_INTEN_TICKIEN_Msk);
336 
337 /**
338   * @brief      Read Spare Register
339   *
340   * @param[in]  rtc         The pointer of RTC module.
341   * @param[in]  u32RegNum   The spare register number, 0~19.
342   *
343   * @return     Spare register content
344   *
345   * @details    Read the specify spare register content.
346   * \hideinitializer
347   */
348 #define RTC_READ_SPARE_REGISTER(u32RegNum)			(RTC->SPR[(u32RegNum)])
349 
350 /**
351   * @brief      Write Spare Register
352   *
353   * @param[in]  u32RegNum       The spare register number, 0~19.
354   * @param[in]  u32RegValue     The spare register value.
355   *
356   * @return     None
357   *
358   * @details    Write specify data to spare register.
359   * \hideinitializer
360   */
361 #define RTC_WRITE_SPARE_REGISTER(u32RegNum, u32RegValue)   (RTC->SPR[(u32RegNum)] = (u32RegValue))
362 
363 int32_t RTC_Open(S_RTC_TIME_DATA_T *sPt);
364 void RTC_Close(void);
365 int32_t RTC_32KCalibration(int32_t i32FrequencyX10000);
366 void RTC_GetDateAndTime(S_RTC_TIME_DATA_T *sPt);
367 void RTC_GetAlarmDateAndTime(S_RTC_TIME_DATA_T *sPt);
368 void RTC_SetDateAndTime(S_RTC_TIME_DATA_T *sPt);
369 void RTC_SetAlarmDateAndTime(S_RTC_TIME_DATA_T *sPt);
370 void RTC_SetDate(uint32_t u32Year, uint32_t u32Month, uint32_t u32Day, uint32_t u32DayOfWeek);
371 void RTC_SetTime(uint32_t u32Hour, uint32_t u32Minute, uint32_t u32Second, uint32_t u32TimeMode, uint32_t u32AmPm);
372 void RTC_SetAlarmDate(uint32_t u32Year, uint32_t u32Month, uint32_t u32Day);
373 void RTC_SetAlarmTime(uint32_t u32Hour, uint32_t u32Minute, uint32_t u32Second, uint32_t u32TimeMode, uint32_t u32AmPm);
374 void RTC_SetAlarmDateMask(uint8_t u8IsTenYMsk, uint8_t u8IsYMsk, uint8_t u8IsTenMMsk, uint8_t u8IsMMsk, uint8_t u8IsTenDMsk, uint8_t u8IsDMsk);
375 void RTC_SetAlarmTimeMask(uint8_t u8IsTenHMsk, uint8_t u8IsHMsk, uint8_t u8IsTenMMsk, uint8_t u8IsMMsk, uint8_t u8IsTenSMsk, uint8_t u8IsSMsk);
376 uint32_t RTC_GetDayOfWeek(void);
377 void RTC_SetTickPeriod(uint32_t u32TickSelection);
378 void RTC_EnableInt(uint32_t u32IntFlagMask);
379 void RTC_DisableInt(uint32_t u32IntFlagMask);
380 void RTC_EnableSpareAccess(void);
381 void RTC_DisableSpareRegister(void);
382 void RTC_StaticTamperEnable(uint32_t u32TamperSelect, uint32_t u32DetecLevel, uint32_t u32DebounceEn);
383 void RTC_StaticTamperDisable(uint32_t u32TamperSelect);
384 void RTC_DynamicTamperEnable(uint32_t u32PairSel, uint32_t u32DebounceEn, uint32_t u32Pair1Source, uint32_t u32Pair2Source);
385 void RTC_DynamicTamperDisable(uint32_t u32PairSel);
386 void RTC_DynamicTamperConfig(uint32_t u32ChangeRate, uint32_t u32SeedReload, uint32_t u32RefPattern, uint32_t u32Seed);
387 uint32_t RTC_SetClockSource(uint32_t u32ClkSrc);
388 void RTC_SetGPIOMode(uint32_t u32PFPin, uint32_t u32Mode, uint32_t u32DigitalCtl, uint32_t u32PullCtl, uint32_t u32OutputLevel);
389 void RTC_SetGPIOLevel(uint32_t u32PFPin, uint32_t u32OutputLevel);
390 
391 /**@}*/ /* end of group RTC_EXPORTED_FUNCTIONS */
392 
393 /**@}*/ /* end of group RTC_Driver */
394 
395 /**@}*/ /* end of group Standard_Driver */
396 
397 #ifdef __cplusplus
398 }
399 #endif
400 
401 #endif /* __RTC_H__ */
402