提交 | 用户 | age
|
bfc108
|
1 |
/**
|
Q |
2 |
******************************************************************************
|
|
3 |
* @file stm32f0xx_ll_rtc.c
|
|
4 |
* @author MCD Application Team
|
|
5 |
* @brief RTC LL module driver.
|
|
6 |
******************************************************************************
|
|
7 |
* @attention
|
|
8 |
*
|
|
9 |
* <h2><center>© COPYRIGHT(c) 2016 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 |
#if defined(USE_FULL_LL_DRIVER)
|
|
36 |
|
|
37 |
/* Includes ------------------------------------------------------------------*/
|
|
38 |
#include "stm32f0xx_ll_rtc.h"
|
|
39 |
#include "stm32f0xx_ll_cortex.h"
|
|
40 |
#ifdef USE_FULL_ASSERT
|
|
41 |
#include "stm32_assert.h"
|
|
42 |
#else
|
|
43 |
#define assert_param(expr) ((void)0U)
|
|
44 |
#endif
|
|
45 |
|
|
46 |
/** @addtogroup STM32F0xx_LL_Driver
|
|
47 |
* @{
|
|
48 |
*/
|
|
49 |
|
|
50 |
#if defined(RTC)
|
|
51 |
|
|
52 |
/** @addtogroup RTC_LL
|
|
53 |
* @{
|
|
54 |
*/
|
|
55 |
|
|
56 |
/* Private types -------------------------------------------------------------*/
|
|
57 |
/* Private variables ---------------------------------------------------------*/
|
|
58 |
/* Private constants ---------------------------------------------------------*/
|
|
59 |
/** @addtogroup RTC_LL_Private_Constants
|
|
60 |
* @{
|
|
61 |
*/
|
|
62 |
/* Default values used for prescaler */
|
|
63 |
#define RTC_ASYNCH_PRESC_DEFAULT 0x0000007FU
|
|
64 |
#define RTC_SYNCH_PRESC_DEFAULT 0x000000FFU
|
|
65 |
|
|
66 |
/* Values used for timeout */
|
|
67 |
#define RTC_INITMODE_TIMEOUT 1000U /* 1s when tick set to 1ms */
|
|
68 |
#define RTC_SYNCHRO_TIMEOUT 1000U /* 1s when tick set to 1ms */
|
|
69 |
/**
|
|
70 |
* @}
|
|
71 |
*/
|
|
72 |
|
|
73 |
/* Private macros ------------------------------------------------------------*/
|
|
74 |
/** @addtogroup RTC_LL_Private_Macros
|
|
75 |
* @{
|
|
76 |
*/
|
|
77 |
|
|
78 |
#define IS_LL_RTC_HOURFORMAT(__VALUE__) (((__VALUE__) == LL_RTC_HOURFORMAT_24HOUR) \
|
|
79 |
|| ((__VALUE__) == LL_RTC_HOURFORMAT_AMPM))
|
|
80 |
|
|
81 |
#define IS_LL_RTC_ASYNCH_PREDIV(__VALUE__) ((__VALUE__) <= 0x7FU)
|
|
82 |
|
|
83 |
#define IS_LL_RTC_SYNCH_PREDIV(__VALUE__) ((__VALUE__) <= 0x7FFFU)
|
|
84 |
|
|
85 |
#define IS_LL_RTC_FORMAT(__VALUE__) (((__VALUE__) == LL_RTC_FORMAT_BIN) \
|
|
86 |
|| ((__VALUE__) == LL_RTC_FORMAT_BCD))
|
|
87 |
|
|
88 |
#define IS_LL_RTC_TIME_FORMAT(__VALUE__) (((__VALUE__) == LL_RTC_TIME_FORMAT_AM_OR_24) \
|
|
89 |
|| ((__VALUE__) == LL_RTC_TIME_FORMAT_PM))
|
|
90 |
|
|
91 |
#define IS_LL_RTC_HOUR12(__HOUR__) (((__HOUR__) > 0U) && ((__HOUR__) <= 12U))
|
|
92 |
#define IS_LL_RTC_HOUR24(__HOUR__) ((__HOUR__) <= 23U)
|
|
93 |
#define IS_LL_RTC_MINUTES(__MINUTES__) ((__MINUTES__) <= 59U)
|
|
94 |
#define IS_LL_RTC_SECONDS(__SECONDS__) ((__SECONDS__) <= 59U)
|
|
95 |
|
|
96 |
#define IS_LL_RTC_WEEKDAY(__VALUE__) (((__VALUE__) == LL_RTC_WEEKDAY_MONDAY) \
|
|
97 |
|| ((__VALUE__) == LL_RTC_WEEKDAY_TUESDAY) \
|
|
98 |
|| ((__VALUE__) == LL_RTC_WEEKDAY_WEDNESDAY) \
|
|
99 |
|| ((__VALUE__) == LL_RTC_WEEKDAY_THURSDAY) \
|
|
100 |
|| ((__VALUE__) == LL_RTC_WEEKDAY_FRIDAY) \
|
|
101 |
|| ((__VALUE__) == LL_RTC_WEEKDAY_SATURDAY) \
|
|
102 |
|| ((__VALUE__) == LL_RTC_WEEKDAY_SUNDAY))
|
|
103 |
|
|
104 |
#define IS_LL_RTC_DAY(__DAY__) (((__DAY__) >= 1U) && ((__DAY__) <= 31U))
|
|
105 |
|
|
106 |
#define IS_LL_RTC_MONTH(__VALUE__) (((__VALUE__) == LL_RTC_MONTH_JANUARY) \
|
|
107 |
|| ((__VALUE__) == LL_RTC_MONTH_FEBRUARY) \
|
|
108 |
|| ((__VALUE__) == LL_RTC_MONTH_MARCH) \
|
|
109 |
|| ((__VALUE__) == LL_RTC_MONTH_APRIL) \
|
|
110 |
|| ((__VALUE__) == LL_RTC_MONTH_MAY) \
|
|
111 |
|| ((__VALUE__) == LL_RTC_MONTH_JUNE) \
|
|
112 |
|| ((__VALUE__) == LL_RTC_MONTH_JULY) \
|
|
113 |
|| ((__VALUE__) == LL_RTC_MONTH_AUGUST) \
|
|
114 |
|| ((__VALUE__) == LL_RTC_MONTH_SEPTEMBER) \
|
|
115 |
|| ((__VALUE__) == LL_RTC_MONTH_OCTOBER) \
|
|
116 |
|| ((__VALUE__) == LL_RTC_MONTH_NOVEMBER) \
|
|
117 |
|| ((__VALUE__) == LL_RTC_MONTH_DECEMBER))
|
|
118 |
|
|
119 |
#define IS_LL_RTC_YEAR(__YEAR__) ((__YEAR__) <= 99U)
|
|
120 |
|
|
121 |
#define IS_LL_RTC_ALMA_MASK(__VALUE__) (((__VALUE__) == LL_RTC_ALMA_MASK_NONE) \
|
|
122 |
|| ((__VALUE__) == LL_RTC_ALMA_MASK_DATEWEEKDAY) \
|
|
123 |
|| ((__VALUE__) == LL_RTC_ALMA_MASK_HOURS) \
|
|
124 |
|| ((__VALUE__) == LL_RTC_ALMA_MASK_MINUTES) \
|
|
125 |
|| ((__VALUE__) == LL_RTC_ALMA_MASK_SECONDS) \
|
|
126 |
|| ((__VALUE__) == LL_RTC_ALMA_MASK_ALL))
|
|
127 |
|
|
128 |
|
|
129 |
#define IS_LL_RTC_ALMA_DATE_WEEKDAY_SEL(__SEL__) (((__SEL__) == LL_RTC_ALMA_DATEWEEKDAYSEL_DATE) || \
|
|
130 |
((__SEL__) == LL_RTC_ALMA_DATEWEEKDAYSEL_WEEKDAY))
|
|
131 |
|
|
132 |
|
|
133 |
/**
|
|
134 |
* @}
|
|
135 |
*/
|
|
136 |
/* Private function prototypes -----------------------------------------------*/
|
|
137 |
/* Exported functions --------------------------------------------------------*/
|
|
138 |
/** @addtogroup RTC_LL_Exported_Functions
|
|
139 |
* @{
|
|
140 |
*/
|
|
141 |
|
|
142 |
/** @addtogroup RTC_LL_EF_Init
|
|
143 |
* @{
|
|
144 |
*/
|
|
145 |
|
|
146 |
/**
|
|
147 |
* @brief De-Initializes the RTC registers to their default reset values.
|
|
148 |
* @note This function doesn't reset the RTC Clock source and RTC Backup Data
|
|
149 |
* registers.
|
|
150 |
* @param RTCx RTC Instance
|
|
151 |
* @retval An ErrorStatus enumeration value:
|
|
152 |
* - SUCCESS: RTC registers are de-initialized
|
|
153 |
* - ERROR: RTC registers are not de-initialized
|
|
154 |
*/
|
|
155 |
ErrorStatus LL_RTC_DeInit(RTC_TypeDef *RTCx)
|
|
156 |
{
|
|
157 |
ErrorStatus status = ERROR;
|
|
158 |
|
|
159 |
/* Check the parameter */
|
|
160 |
assert_param(IS_RTC_ALL_INSTANCE(RTCx));
|
|
161 |
|
|
162 |
/* Disable the write protection for RTC registers */
|
|
163 |
LL_RTC_DisableWriteProtection(RTCx);
|
|
164 |
|
|
165 |
/* Set Initialization mode */
|
|
166 |
if (LL_RTC_EnterInitMode(RTCx) != ERROR)
|
|
167 |
{
|
|
168 |
/* Reset TR, DR and CR registers */
|
|
169 |
LL_RTC_WriteReg(RTCx, TR, 0x00000000U);
|
|
170 |
#if defined(RTC_WAKEUP_SUPPORT)
|
|
171 |
LL_RTC_WriteReg(RTCx, WUTR, RTC_WUTR_WUT);
|
|
172 |
#endif /* RTC_WAKEUP_SUPPORT */
|
|
173 |
LL_RTC_WriteReg(RTCx, DR , (RTC_DR_WDU_0 | RTC_DR_MU_0 | RTC_DR_DU_0));
|
|
174 |
/* Reset All CR bits except CR[2:0] */
|
|
175 |
#if defined(RTC_WAKEUP_SUPPORT)
|
|
176 |
LL_RTC_WriteReg(RTCx, CR, (LL_RTC_ReadReg(RTCx, CR) & RTC_CR_WUCKSEL));
|
|
177 |
#else
|
|
178 |
LL_RTC_WriteReg(RTCx, CR, 0x00000000U);
|
|
179 |
#endif /* RTC_WAKEUP_SUPPORT */
|
|
180 |
LL_RTC_WriteReg(RTCx, PRER, (RTC_PRER_PREDIV_A | RTC_SYNCH_PRESC_DEFAULT));
|
|
181 |
LL_RTC_WriteReg(RTCx, ALRMAR, 0x00000000U);
|
|
182 |
LL_RTC_WriteReg(RTCx, SHIFTR, 0x00000000U);
|
|
183 |
LL_RTC_WriteReg(RTCx, CALR, 0x00000000U);
|
|
184 |
LL_RTC_WriteReg(RTCx, ALRMASSR, 0x00000000U);
|
|
185 |
|
|
186 |
/* Reset ISR register and exit initialization mode */
|
|
187 |
LL_RTC_WriteReg(RTCx, ISR, 0x00000000U);
|
|
188 |
|
|
189 |
/* Reset Tamper and alternate functions configuration register */
|
|
190 |
LL_RTC_WriteReg(RTCx, TAFCR, 0x00000000U);
|
|
191 |
|
|
192 |
/* Wait till the RTC RSF flag is set */
|
|
193 |
status = LL_RTC_WaitForSynchro(RTCx);
|
|
194 |
}
|
|
195 |
|
|
196 |
/* Enable the write protection for RTC registers */
|
|
197 |
LL_RTC_EnableWriteProtection(RTCx);
|
|
198 |
|
|
199 |
return status;
|
|
200 |
}
|
|
201 |
|
|
202 |
/**
|
|
203 |
* @brief Initializes the RTC registers according to the specified parameters
|
|
204 |
* in RTC_InitStruct.
|
|
205 |
* @param RTCx RTC Instance
|
|
206 |
* @param RTC_InitStruct pointer to a @ref LL_RTC_InitTypeDef structure that contains
|
|
207 |
* the configuration information for the RTC peripheral.
|
|
208 |
* @note The RTC Prescaler register is write protected and can be written in
|
|
209 |
* initialization mode only.
|
|
210 |
* @retval An ErrorStatus enumeration value:
|
|
211 |
* - SUCCESS: RTC registers are initialized
|
|
212 |
* - ERROR: RTC registers are not initialized
|
|
213 |
*/
|
|
214 |
ErrorStatus LL_RTC_Init(RTC_TypeDef *RTCx, LL_RTC_InitTypeDef *RTC_InitStruct)
|
|
215 |
{
|
|
216 |
ErrorStatus status = ERROR;
|
|
217 |
|
|
218 |
/* Check the parameters */
|
|
219 |
assert_param(IS_RTC_ALL_INSTANCE(RTCx));
|
|
220 |
assert_param(IS_LL_RTC_HOURFORMAT(RTC_InitStruct->HourFormat));
|
|
221 |
assert_param(IS_LL_RTC_ASYNCH_PREDIV(RTC_InitStruct->AsynchPrescaler));
|
|
222 |
assert_param(IS_LL_RTC_SYNCH_PREDIV(RTC_InitStruct->SynchPrescaler));
|
|
223 |
|
|
224 |
/* Disable the write protection for RTC registers */
|
|
225 |
LL_RTC_DisableWriteProtection(RTCx);
|
|
226 |
|
|
227 |
/* Set Initialization mode */
|
|
228 |
if (LL_RTC_EnterInitMode(RTCx) != ERROR)
|
|
229 |
{
|
|
230 |
/* Set Hour Format */
|
|
231 |
LL_RTC_SetHourFormat(RTCx, RTC_InitStruct->HourFormat);
|
|
232 |
|
|
233 |
/* Configure Synchronous and Asynchronous prescaler factor */
|
|
234 |
LL_RTC_SetSynchPrescaler(RTCx, RTC_InitStruct->SynchPrescaler);
|
|
235 |
LL_RTC_SetAsynchPrescaler(RTCx, RTC_InitStruct->AsynchPrescaler);
|
|
236 |
|
|
237 |
/* Exit Initialization mode */
|
|
238 |
LL_RTC_DisableInitMode(RTCx);
|
|
239 |
|
|
240 |
status = SUCCESS;
|
|
241 |
}
|
|
242 |
/* Enable the write protection for RTC registers */
|
|
243 |
LL_RTC_EnableWriteProtection(RTCx);
|
|
244 |
|
|
245 |
return status;
|
|
246 |
}
|
|
247 |
|
|
248 |
/**
|
|
249 |
* @brief Set each @ref LL_RTC_InitTypeDef field to default value.
|
|
250 |
* @param RTC_InitStruct pointer to a @ref LL_RTC_InitTypeDef structure which will be initialized.
|
|
251 |
* @retval None
|
|
252 |
*/
|
|
253 |
void LL_RTC_StructInit(LL_RTC_InitTypeDef *RTC_InitStruct)
|
|
254 |
{
|
|
255 |
/* Set RTC_InitStruct fields to default values */
|
|
256 |
RTC_InitStruct->HourFormat = LL_RTC_HOURFORMAT_24HOUR;
|
|
257 |
RTC_InitStruct->AsynchPrescaler = RTC_ASYNCH_PRESC_DEFAULT;
|
|
258 |
RTC_InitStruct->SynchPrescaler = RTC_SYNCH_PRESC_DEFAULT;
|
|
259 |
}
|
|
260 |
|
|
261 |
/**
|
|
262 |
* @brief Set the RTC current time.
|
|
263 |
* @param RTCx RTC Instance
|
|
264 |
* @param RTC_Format This parameter can be one of the following values:
|
|
265 |
* @arg @ref LL_RTC_FORMAT_BIN
|
|
266 |
* @arg @ref LL_RTC_FORMAT_BCD
|
|
267 |
* @param RTC_TimeStruct pointer to a RTC_TimeTypeDef structure that contains
|
|
268 |
* the time configuration information for the RTC.
|
|
269 |
* @retval An ErrorStatus enumeration value:
|
|
270 |
* - SUCCESS: RTC Time register is configured
|
|
271 |
* - ERROR: RTC Time register is not configured
|
|
272 |
*/
|
|
273 |
ErrorStatus LL_RTC_TIME_Init(RTC_TypeDef *RTCx, uint32_t RTC_Format, LL_RTC_TimeTypeDef *RTC_TimeStruct)
|
|
274 |
{
|
|
275 |
ErrorStatus status = ERROR;
|
|
276 |
|
|
277 |
/* Check the parameters */
|
|
278 |
assert_param(IS_RTC_ALL_INSTANCE(RTCx));
|
|
279 |
assert_param(IS_LL_RTC_FORMAT(RTC_Format));
|
|
280 |
|
|
281 |
if (RTC_Format == LL_RTC_FORMAT_BIN)
|
|
282 |
{
|
|
283 |
if (LL_RTC_GetHourFormat(RTCx) != LL_RTC_HOURFORMAT_24HOUR)
|
|
284 |
{
|
|
285 |
assert_param(IS_LL_RTC_HOUR12(RTC_TimeStruct->Hours));
|
|
286 |
assert_param(IS_LL_RTC_TIME_FORMAT(RTC_TimeStruct->TimeFormat));
|
|
287 |
}
|
|
288 |
else
|
|
289 |
{
|
|
290 |
RTC_TimeStruct->TimeFormat = 0x00U;
|
|
291 |
assert_param(IS_LL_RTC_HOUR24(RTC_TimeStruct->Hours));
|
|
292 |
}
|
|
293 |
assert_param(IS_LL_RTC_MINUTES(RTC_TimeStruct->Minutes));
|
|
294 |
assert_param(IS_LL_RTC_SECONDS(RTC_TimeStruct->Seconds));
|
|
295 |
}
|
|
296 |
else
|
|
297 |
{
|
|
298 |
if (LL_RTC_GetHourFormat(RTCx) != LL_RTC_HOURFORMAT_24HOUR)
|
|
299 |
{
|
|
300 |
assert_param(IS_LL_RTC_HOUR12(__LL_RTC_CONVERT_BCD2BIN(RTC_TimeStruct->Hours)));
|
|
301 |
assert_param(IS_LL_RTC_TIME_FORMAT(RTC_TimeStruct->TimeFormat));
|
|
302 |
}
|
|
303 |
else
|
|
304 |
{
|
|
305 |
RTC_TimeStruct->TimeFormat = 0x00U;
|
|
306 |
assert_param(IS_LL_RTC_HOUR24(__LL_RTC_CONVERT_BCD2BIN(RTC_TimeStruct->Hours)));
|
|
307 |
}
|
|
308 |
assert_param(IS_LL_RTC_MINUTES(__LL_RTC_CONVERT_BCD2BIN(RTC_TimeStruct->Minutes)));
|
|
309 |
assert_param(IS_LL_RTC_SECONDS(__LL_RTC_CONVERT_BCD2BIN(RTC_TimeStruct->Seconds)));
|
|
310 |
}
|
|
311 |
|
|
312 |
/* Disable the write protection for RTC registers */
|
|
313 |
LL_RTC_DisableWriteProtection(RTCx);
|
|
314 |
|
|
315 |
/* Set Initialization mode */
|
|
316 |
if (LL_RTC_EnterInitMode(RTCx) != ERROR)
|
|
317 |
{
|
|
318 |
/* Check the input parameters format */
|
|
319 |
if (RTC_Format != LL_RTC_FORMAT_BIN)
|
|
320 |
{
|
|
321 |
LL_RTC_TIME_Config(RTCx, RTC_TimeStruct->TimeFormat, RTC_TimeStruct->Hours,
|
|
322 |
RTC_TimeStruct->Minutes, RTC_TimeStruct->Seconds);
|
|
323 |
}
|
|
324 |
else
|
|
325 |
{
|
|
326 |
LL_RTC_TIME_Config(RTCx, RTC_TimeStruct->TimeFormat, __LL_RTC_CONVERT_BIN2BCD(RTC_TimeStruct->Hours),
|
|
327 |
__LL_RTC_CONVERT_BIN2BCD(RTC_TimeStruct->Minutes),
|
|
328 |
__LL_RTC_CONVERT_BIN2BCD(RTC_TimeStruct->Seconds));
|
|
329 |
}
|
|
330 |
|
|
331 |
/* Exit Initialization mode */
|
|
332 |
LL_RTC_DisableInitMode(RTC);
|
|
333 |
|
|
334 |
/* If RTC_CR_BYPSHAD bit = 0, wait for synchro else this check is not needed */
|
|
335 |
if (LL_RTC_IsShadowRegBypassEnabled(RTCx) == 0U)
|
|
336 |
{
|
|
337 |
status = LL_RTC_WaitForSynchro(RTCx);
|
|
338 |
}
|
|
339 |
else
|
|
340 |
{
|
|
341 |
status = SUCCESS;
|
|
342 |
}
|
|
343 |
}
|
|
344 |
/* Enable the write protection for RTC registers */
|
|
345 |
LL_RTC_EnableWriteProtection(RTCx);
|
|
346 |
|
|
347 |
return status;
|
|
348 |
}
|
|
349 |
|
|
350 |
/**
|
|
351 |
* @brief Set each @ref LL_RTC_TimeTypeDef field to default value (Time = 00h:00min:00sec).
|
|
352 |
* @param RTC_TimeStruct pointer to a @ref LL_RTC_TimeTypeDef structure which will be initialized.
|
|
353 |
* @retval None
|
|
354 |
*/
|
|
355 |
void LL_RTC_TIME_StructInit(LL_RTC_TimeTypeDef *RTC_TimeStruct)
|
|
356 |
{
|
|
357 |
/* Time = 00h:00min:00sec */
|
|
358 |
RTC_TimeStruct->TimeFormat = LL_RTC_TIME_FORMAT_AM_OR_24;
|
|
359 |
RTC_TimeStruct->Hours = 0U;
|
|
360 |
RTC_TimeStruct->Minutes = 0U;
|
|
361 |
RTC_TimeStruct->Seconds = 0U;
|
|
362 |
}
|
|
363 |
|
|
364 |
/**
|
|
365 |
* @brief Set the RTC current date.
|
|
366 |
* @param RTCx RTC Instance
|
|
367 |
* @param RTC_Format This parameter can be one of the following values:
|
|
368 |
* @arg @ref LL_RTC_FORMAT_BIN
|
|
369 |
* @arg @ref LL_RTC_FORMAT_BCD
|
|
370 |
* @param RTC_DateStruct pointer to a RTC_DateTypeDef structure that contains
|
|
371 |
* the date configuration information for the RTC.
|
|
372 |
* @retval An ErrorStatus enumeration value:
|
|
373 |
* - SUCCESS: RTC Day register is configured
|
|
374 |
* - ERROR: RTC Day register is not configured
|
|
375 |
*/
|
|
376 |
ErrorStatus LL_RTC_DATE_Init(RTC_TypeDef *RTCx, uint32_t RTC_Format, LL_RTC_DateTypeDef *RTC_DateStruct)
|
|
377 |
{
|
|
378 |
ErrorStatus status = ERROR;
|
|
379 |
|
|
380 |
/* Check the parameters */
|
|
381 |
assert_param(IS_RTC_ALL_INSTANCE(RTCx));
|
|
382 |
assert_param(IS_LL_RTC_FORMAT(RTC_Format));
|
|
383 |
|
|
384 |
if ((RTC_Format == LL_RTC_FORMAT_BIN) && ((RTC_DateStruct->Month & 0x10U) == 0x10U))
|
|
385 |
{
|
|
386 |
RTC_DateStruct->Month = (RTC_DateStruct->Month & (uint32_t)~(0x10U)) + 0x0AU;
|
|
387 |
}
|
|
388 |
if (RTC_Format == LL_RTC_FORMAT_BIN)
|
|
389 |
{
|
|
390 |
assert_param(IS_LL_RTC_YEAR(RTC_DateStruct->Year));
|
|
391 |
assert_param(IS_LL_RTC_MONTH(RTC_DateStruct->Month));
|
|
392 |
assert_param(IS_LL_RTC_DAY(RTC_DateStruct->Day));
|
|
393 |
}
|
|
394 |
else
|
|
395 |
{
|
|
396 |
assert_param(IS_LL_RTC_YEAR(__LL_RTC_CONVERT_BCD2BIN(RTC_DateStruct->Year)));
|
|
397 |
assert_param(IS_LL_RTC_MONTH(__LL_RTC_CONVERT_BCD2BIN(RTC_DateStruct->Month)));
|
|
398 |
assert_param(IS_LL_RTC_DAY(__LL_RTC_CONVERT_BCD2BIN(RTC_DateStruct->Day)));
|
|
399 |
}
|
|
400 |
assert_param(IS_LL_RTC_WEEKDAY(RTC_DateStruct->WeekDay));
|
|
401 |
|
|
402 |
/* Disable the write protection for RTC registers */
|
|
403 |
LL_RTC_DisableWriteProtection(RTCx);
|
|
404 |
|
|
405 |
/* Set Initialization mode */
|
|
406 |
if (LL_RTC_EnterInitMode(RTCx) != ERROR)
|
|
407 |
{
|
|
408 |
/* Check the input parameters format */
|
|
409 |
if (RTC_Format != LL_RTC_FORMAT_BIN)
|
|
410 |
{
|
|
411 |
LL_RTC_DATE_Config(RTCx, RTC_DateStruct->WeekDay, RTC_DateStruct->Day, RTC_DateStruct->Month, RTC_DateStruct->Year);
|
|
412 |
}
|
|
413 |
else
|
|
414 |
{
|
|
415 |
LL_RTC_DATE_Config(RTCx, RTC_DateStruct->WeekDay, __LL_RTC_CONVERT_BIN2BCD(RTC_DateStruct->Day),
|
|
416 |
__LL_RTC_CONVERT_BIN2BCD(RTC_DateStruct->Month), __LL_RTC_CONVERT_BIN2BCD(RTC_DateStruct->Year));
|
|
417 |
}
|
|
418 |
|
|
419 |
/* Exit Initialization mode */
|
|
420 |
LL_RTC_DisableInitMode(RTC);
|
|
421 |
|
|
422 |
/* If RTC_CR_BYPSHAD bit = 0, wait for synchro else this check is not needed */
|
|
423 |
if (LL_RTC_IsShadowRegBypassEnabled(RTCx) == 0U)
|
|
424 |
{
|
|
425 |
status = LL_RTC_WaitForSynchro(RTCx);
|
|
426 |
}
|
|
427 |
else
|
|
428 |
{
|
|
429 |
status = SUCCESS;
|
|
430 |
}
|
|
431 |
}
|
|
432 |
/* Enable the write protection for RTC registers */
|
|
433 |
LL_RTC_EnableWriteProtection(RTCx);
|
|
434 |
|
|
435 |
return status;
|
|
436 |
}
|
|
437 |
|
|
438 |
/**
|
|
439 |
* @brief Set each @ref LL_RTC_DateTypeDef field to default value (date = Monday, January 01 xx00)
|
|
440 |
* @param RTC_DateStruct pointer to a @ref LL_RTC_DateTypeDef structure which will be initialized.
|
|
441 |
* @retval None
|
|
442 |
*/
|
|
443 |
void LL_RTC_DATE_StructInit(LL_RTC_DateTypeDef *RTC_DateStruct)
|
|
444 |
{
|
|
445 |
/* Monday, January 01 xx00 */
|
|
446 |
RTC_DateStruct->WeekDay = LL_RTC_WEEKDAY_MONDAY;
|
|
447 |
RTC_DateStruct->Day = 1U;
|
|
448 |
RTC_DateStruct->Month = LL_RTC_MONTH_JANUARY;
|
|
449 |
RTC_DateStruct->Year = 0U;
|
|
450 |
}
|
|
451 |
|
|
452 |
/**
|
|
453 |
* @brief Set the RTC Alarm A.
|
|
454 |
* @note The Alarm register can only be written when the corresponding Alarm
|
|
455 |
* is disabled (Use @ref LL_RTC_ALMA_Disable function).
|
|
456 |
* @param RTCx RTC Instance
|
|
457 |
* @param RTC_Format This parameter can be one of the following values:
|
|
458 |
* @arg @ref LL_RTC_FORMAT_BIN
|
|
459 |
* @arg @ref LL_RTC_FORMAT_BCD
|
|
460 |
* @param RTC_AlarmStruct pointer to a @ref LL_RTC_AlarmTypeDef structure that
|
|
461 |
* contains the alarm configuration parameters.
|
|
462 |
* @retval An ErrorStatus enumeration value:
|
|
463 |
* - SUCCESS: ALARMA registers are configured
|
|
464 |
* - ERROR: ALARMA registers are not configured
|
|
465 |
*/
|
|
466 |
ErrorStatus LL_RTC_ALMA_Init(RTC_TypeDef *RTCx, uint32_t RTC_Format, LL_RTC_AlarmTypeDef *RTC_AlarmStruct)
|
|
467 |
{
|
|
468 |
/* Check the parameters */
|
|
469 |
assert_param(IS_RTC_ALL_INSTANCE(RTCx));
|
|
470 |
assert_param(IS_LL_RTC_FORMAT(RTC_Format));
|
|
471 |
assert_param(IS_LL_RTC_ALMA_MASK(RTC_AlarmStruct->AlarmMask));
|
|
472 |
assert_param(IS_LL_RTC_ALMA_DATE_WEEKDAY_SEL(RTC_AlarmStruct->AlarmDateWeekDaySel));
|
|
473 |
|
|
474 |
if (RTC_Format == LL_RTC_FORMAT_BIN)
|
|
475 |
{
|
|
476 |
if (LL_RTC_GetHourFormat(RTCx) != LL_RTC_HOURFORMAT_24HOUR)
|
|
477 |
{
|
|
478 |
assert_param(IS_LL_RTC_HOUR12(RTC_AlarmStruct->AlarmTime.Hours));
|
|
479 |
assert_param(IS_LL_RTC_TIME_FORMAT(RTC_AlarmStruct->AlarmTime.TimeFormat));
|
|
480 |
}
|
|
481 |
else
|
|
482 |
{
|
|
483 |
RTC_AlarmStruct->AlarmTime.TimeFormat = 0x00U;
|
|
484 |
assert_param(IS_LL_RTC_HOUR24(RTC_AlarmStruct->AlarmTime.Hours));
|
|
485 |
}
|
|
486 |
assert_param(IS_LL_RTC_MINUTES(RTC_AlarmStruct->AlarmTime.Minutes));
|
|
487 |
assert_param(IS_LL_RTC_SECONDS(RTC_AlarmStruct->AlarmTime.Seconds));
|
|
488 |
|
|
489 |
if (RTC_AlarmStruct->AlarmDateWeekDaySel == LL_RTC_ALMA_DATEWEEKDAYSEL_DATE)
|
|
490 |
{
|
|
491 |
assert_param(IS_LL_RTC_DAY(RTC_AlarmStruct->AlarmDateWeekDay));
|
|
492 |
}
|
|
493 |
else
|
|
494 |
{
|
|
495 |
assert_param(IS_LL_RTC_WEEKDAY(RTC_AlarmStruct->AlarmDateWeekDay));
|
|
496 |
}
|
|
497 |
}
|
|
498 |
else
|
|
499 |
{
|
|
500 |
if (LL_RTC_GetHourFormat(RTCx) != LL_RTC_HOURFORMAT_24HOUR)
|
|
501 |
{
|
|
502 |
assert_param(IS_LL_RTC_HOUR12(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmTime.Hours)));
|
|
503 |
assert_param(IS_LL_RTC_TIME_FORMAT(RTC_AlarmStruct->AlarmTime.TimeFormat));
|
|
504 |
}
|
|
505 |
else
|
|
506 |
{
|
|
507 |
RTC_AlarmStruct->AlarmTime.TimeFormat = 0x00U;
|
|
508 |
assert_param(IS_LL_RTC_HOUR24(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmTime.Hours)));
|
|
509 |
}
|
|
510 |
|
|
511 |
assert_param(IS_LL_RTC_MINUTES(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmTime.Minutes)));
|
|
512 |
assert_param(IS_LL_RTC_SECONDS(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmTime.Seconds)));
|
|
513 |
|
|
514 |
if (RTC_AlarmStruct->AlarmDateWeekDaySel == LL_RTC_ALMA_DATEWEEKDAYSEL_DATE)
|
|
515 |
{
|
|
516 |
assert_param(IS_LL_RTC_DAY(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmDateWeekDay)));
|
|
517 |
}
|
|
518 |
else
|
|
519 |
{
|
|
520 |
assert_param(IS_LL_RTC_WEEKDAY(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmDateWeekDay)));
|
|
521 |
}
|
|
522 |
}
|
|
523 |
|
|
524 |
/* Disable the write protection for RTC registers */
|
|
525 |
LL_RTC_DisableWriteProtection(RTCx);
|
|
526 |
|
|
527 |
/* Select weekday selection */
|
|
528 |
if (RTC_AlarmStruct->AlarmDateWeekDaySel == LL_RTC_ALMA_DATEWEEKDAYSEL_DATE)
|
|
529 |
{
|
|
530 |
/* Set the date for ALARM */
|
|
531 |
LL_RTC_ALMA_DisableWeekday(RTCx);
|
|
532 |
if (RTC_Format != LL_RTC_FORMAT_BIN)
|
|
533 |
{
|
|
534 |
LL_RTC_ALMA_SetDay(RTCx, RTC_AlarmStruct->AlarmDateWeekDay);
|
|
535 |
}
|
|
536 |
else
|
|
537 |
{
|
|
538 |
LL_RTC_ALMA_SetDay(RTCx, __LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmDateWeekDay));
|
|
539 |
}
|
|
540 |
}
|
|
541 |
else
|
|
542 |
{
|
|
543 |
/* Set the week day for ALARM */
|
|
544 |
LL_RTC_ALMA_EnableWeekday(RTCx);
|
|
545 |
LL_RTC_ALMA_SetWeekDay(RTCx, RTC_AlarmStruct->AlarmDateWeekDay);
|
|
546 |
}
|
|
547 |
|
|
548 |
/* Configure the Alarm register */
|
|
549 |
if (RTC_Format != LL_RTC_FORMAT_BIN)
|
|
550 |
{
|
|
551 |
LL_RTC_ALMA_ConfigTime(RTCx, RTC_AlarmStruct->AlarmTime.TimeFormat, RTC_AlarmStruct->AlarmTime.Hours,
|
|
552 |
RTC_AlarmStruct->AlarmTime.Minutes, RTC_AlarmStruct->AlarmTime.Seconds);
|
|
553 |
}
|
|
554 |
else
|
|
555 |
{
|
|
556 |
LL_RTC_ALMA_ConfigTime(RTCx, RTC_AlarmStruct->AlarmTime.TimeFormat,
|
|
557 |
__LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmTime.Hours),
|
|
558 |
__LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmTime.Minutes),
|
|
559 |
__LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmTime.Seconds));
|
|
560 |
}
|
|
561 |
/* Set ALARM mask */
|
|
562 |
LL_RTC_ALMA_SetMask(RTCx, RTC_AlarmStruct->AlarmMask);
|
|
563 |
|
|
564 |
/* Enable the write protection for RTC registers */
|
|
565 |
LL_RTC_EnableWriteProtection(RTCx);
|
|
566 |
|
|
567 |
return SUCCESS;
|
|
568 |
}
|
|
569 |
|
|
570 |
/**
|
|
571 |
* @brief Set each @ref LL_RTC_AlarmTypeDef of ALARMA field to default value (Time = 00h:00mn:00sec /
|
|
572 |
* Day = 1st day of the month/Mask = all fields are masked).
|
|
573 |
* @param RTC_AlarmStruct pointer to a @ref LL_RTC_AlarmTypeDef structure which will be initialized.
|
|
574 |
* @retval None
|
|
575 |
*/
|
|
576 |
void LL_RTC_ALMA_StructInit(LL_RTC_AlarmTypeDef *RTC_AlarmStruct)
|
|
577 |
{
|
|
578 |
/* Alarm Time Settings : Time = 00h:00mn:00sec */
|
|
579 |
RTC_AlarmStruct->AlarmTime.TimeFormat = LL_RTC_ALMA_TIME_FORMAT_AM;
|
|
580 |
RTC_AlarmStruct->AlarmTime.Hours = 0U;
|
|
581 |
RTC_AlarmStruct->AlarmTime.Minutes = 0U;
|
|
582 |
RTC_AlarmStruct->AlarmTime.Seconds = 0U;
|
|
583 |
|
|
584 |
/* Alarm Day Settings : Day = 1st day of the month */
|
|
585 |
RTC_AlarmStruct->AlarmDateWeekDaySel = LL_RTC_ALMA_DATEWEEKDAYSEL_DATE;
|
|
586 |
RTC_AlarmStruct->AlarmDateWeekDay = 1U;
|
|
587 |
|
|
588 |
/* Alarm Masks Settings : Mask = all fields are not masked */
|
|
589 |
RTC_AlarmStruct->AlarmMask = LL_RTC_ALMA_MASK_NONE;
|
|
590 |
}
|
|
591 |
|
|
592 |
/**
|
|
593 |
* @brief Enters the RTC Initialization mode.
|
|
594 |
* @note The RTC Initialization mode is write protected, use the
|
|
595 |
* @ref LL_RTC_DisableWriteProtection before calling this function.
|
|
596 |
* @param RTCx RTC Instance
|
|
597 |
* @retval An ErrorStatus enumeration value:
|
|
598 |
* - SUCCESS: RTC is in Init mode
|
|
599 |
* - ERROR: RTC is not in Init mode
|
|
600 |
*/
|
|
601 |
ErrorStatus LL_RTC_EnterInitMode(RTC_TypeDef *RTCx)
|
|
602 |
{
|
|
603 |
__IO uint32_t timeout = RTC_INITMODE_TIMEOUT;
|
|
604 |
ErrorStatus status = SUCCESS;
|
|
605 |
uint32_t tmp = 0U;
|
|
606 |
|
|
607 |
/* Check the parameter */
|
|
608 |
assert_param(IS_RTC_ALL_INSTANCE(RTCx));
|
|
609 |
|
|
610 |
/* Check if the Initialization mode is set */
|
|
611 |
if (LL_RTC_IsActiveFlag_INIT(RTCx) == 0U)
|
|
612 |
{
|
|
613 |
/* Set the Initialization mode */
|
|
614 |
LL_RTC_EnableInitMode(RTCx);
|
|
615 |
|
|
616 |
/* Wait till RTC is in INIT state and if Time out is reached exit */
|
|
617 |
tmp = LL_RTC_IsActiveFlag_INIT(RTCx);
|
|
618 |
while ((timeout != 0U) && (tmp != 1U))
|
|
619 |
{
|
|
620 |
if (LL_SYSTICK_IsActiveCounterFlag() == 1U)
|
|
621 |
{
|
|
622 |
timeout --;
|
|
623 |
}
|
|
624 |
tmp = LL_RTC_IsActiveFlag_INIT(RTCx);
|
|
625 |
if (timeout == 0U)
|
|
626 |
{
|
|
627 |
status = ERROR;
|
|
628 |
}
|
|
629 |
}
|
|
630 |
}
|
|
631 |
return status;
|
|
632 |
}
|
|
633 |
|
|
634 |
/**
|
|
635 |
* @brief Exit the RTC Initialization mode.
|
|
636 |
* @note When the initialization sequence is complete, the calendar restarts
|
|
637 |
* counting after 4 RTCCLK cycles.
|
|
638 |
* @note The RTC Initialization mode is write protected, use the
|
|
639 |
* @ref LL_RTC_DisableWriteProtection before calling this function.
|
|
640 |
* @param RTCx RTC Instance
|
|
641 |
* @retval An ErrorStatus enumeration value:
|
|
642 |
* - SUCCESS: RTC exited from in Init mode
|
|
643 |
* - ERROR: Not applicable
|
|
644 |
*/
|
|
645 |
ErrorStatus LL_RTC_ExitInitMode(RTC_TypeDef *RTCx)
|
|
646 |
{
|
|
647 |
/* Check the parameter */
|
|
648 |
assert_param(IS_RTC_ALL_INSTANCE(RTCx));
|
|
649 |
|
|
650 |
/* Disable initialization mode */
|
|
651 |
LL_RTC_DisableInitMode(RTCx);
|
|
652 |
|
|
653 |
return SUCCESS;
|
|
654 |
}
|
|
655 |
|
|
656 |
/**
|
|
657 |
* @brief Waits until the RTC Time and Day registers (RTC_TR and RTC_DR) are
|
|
658 |
* synchronized with RTC APB clock.
|
|
659 |
* @note The RTC Resynchronization mode is write protected, use the
|
|
660 |
* @ref LL_RTC_DisableWriteProtection before calling this function.
|
|
661 |
* @note To read the calendar through the shadow registers after Calendar
|
|
662 |
* initialization, calendar update or after wakeup from low power modes
|
|
663 |
* the software must first clear the RSF flag.
|
|
664 |
* The software must then wait until it is set again before reading
|
|
665 |
* the calendar, which means that the calendar registers have been
|
|
666 |
* correctly copied into the RTC_TR and RTC_DR shadow registers.
|
|
667 |
* @param RTCx RTC Instance
|
|
668 |
* @retval An ErrorStatus enumeration value:
|
|
669 |
* - SUCCESS: RTC registers are synchronised
|
|
670 |
* - ERROR: RTC registers are not synchronised
|
|
671 |
*/
|
|
672 |
ErrorStatus LL_RTC_WaitForSynchro(RTC_TypeDef *RTCx)
|
|
673 |
{
|
|
674 |
__IO uint32_t timeout = RTC_SYNCHRO_TIMEOUT;
|
|
675 |
ErrorStatus status = SUCCESS;
|
|
676 |
uint32_t tmp = 0U;
|
|
677 |
|
|
678 |
/* Check the parameter */
|
|
679 |
assert_param(IS_RTC_ALL_INSTANCE(RTCx));
|
|
680 |
|
|
681 |
/* Clear RSF flag */
|
|
682 |
LL_RTC_ClearFlag_RS(RTCx);
|
|
683 |
|
|
684 |
/* Wait the registers to be synchronised */
|
|
685 |
tmp = LL_RTC_IsActiveFlag_RS(RTCx);
|
|
686 |
while ((timeout != 0U) && (tmp != 0U))
|
|
687 |
{
|
|
688 |
if (LL_SYSTICK_IsActiveCounterFlag() == 1U)
|
|
689 |
{
|
|
690 |
timeout--;
|
|
691 |
}
|
|
692 |
tmp = LL_RTC_IsActiveFlag_RS(RTCx);
|
|
693 |
if (timeout == 0U)
|
|
694 |
{
|
|
695 |
status = ERROR;
|
|
696 |
}
|
|
697 |
}
|
|
698 |
|
|
699 |
if (status != ERROR)
|
|
700 |
{
|
|
701 |
timeout = RTC_SYNCHRO_TIMEOUT;
|
|
702 |
tmp = LL_RTC_IsActiveFlag_RS(RTCx);
|
|
703 |
while ((timeout != 0U) && (tmp != 1U))
|
|
704 |
{
|
|
705 |
if (LL_SYSTICK_IsActiveCounterFlag() == 1U)
|
|
706 |
{
|
|
707 |
timeout--;
|
|
708 |
}
|
|
709 |
tmp = LL_RTC_IsActiveFlag_RS(RTCx);
|
|
710 |
if (timeout == 0U)
|
|
711 |
{
|
|
712 |
status = ERROR;
|
|
713 |
}
|
|
714 |
}
|
|
715 |
}
|
|
716 |
|
|
717 |
return (status);
|
|
718 |
}
|
|
719 |
|
|
720 |
/**
|
|
721 |
* @}
|
|
722 |
*/
|
|
723 |
|
|
724 |
/**
|
|
725 |
* @}
|
|
726 |
*/
|
|
727 |
|
|
728 |
/**
|
|
729 |
* @}
|
|
730 |
*/
|
|
731 |
|
|
732 |
#endif /* defined(RTC) */
|
|
733 |
|
|
734 |
/**
|
|
735 |
* @}
|
|
736 |
*/
|
|
737 |
|
|
738 |
#endif /* USE_FULL_LL_DRIVER */
|
|
739 |
|
|
740 |
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|