提交 | 用户 | age
|
bfc108
|
1 |
/**
|
Q |
2 |
******************************************************************************
|
|
3 |
* @file stm32f0xx_ll_crs.h
|
|
4 |
* @author MCD Application Team
|
|
5 |
* @brief Header file of CRS LL module.
|
|
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 |
|
|
36 |
/* Define to prevent recursive inclusion -------------------------------------*/
|
|
37 |
#ifndef __STM32F0xx_LL_CRS_H
|
|
38 |
#define __STM32F0xx_LL_CRS_H
|
|
39 |
|
|
40 |
#ifdef __cplusplus
|
|
41 |
extern "C" {
|
|
42 |
#endif
|
|
43 |
|
|
44 |
/* Includes ------------------------------------------------------------------*/
|
|
45 |
#include "stm32f0xx.h"
|
|
46 |
|
|
47 |
/** @addtogroup STM32F0xx_LL_Driver
|
|
48 |
* @{
|
|
49 |
*/
|
|
50 |
|
|
51 |
#if defined(CRS)
|
|
52 |
|
|
53 |
/** @defgroup CRS_LL CRS
|
|
54 |
* @{
|
|
55 |
*/
|
|
56 |
|
|
57 |
/* Private types -------------------------------------------------------------*/
|
|
58 |
/* Private variables ---------------------------------------------------------*/
|
|
59 |
/* Private constants ---------------------------------------------------------*/
|
|
60 |
/* Private macros ------------------------------------------------------------*/
|
|
61 |
|
|
62 |
/* Exported types ------------------------------------------------------------*/
|
|
63 |
/* Exported constants --------------------------------------------------------*/
|
|
64 |
/** @defgroup CRS_LL_Exported_Constants CRS Exported Constants
|
|
65 |
* @{
|
|
66 |
*/
|
|
67 |
|
|
68 |
/** @defgroup CRS_LL_EC_GET_FLAG Get Flags Defines
|
|
69 |
* @brief Flags defines which can be used with LL_CRS_ReadReg function
|
|
70 |
* @{
|
|
71 |
*/
|
|
72 |
#define LL_CRS_ISR_SYNCOKF CRS_ISR_SYNCOKF
|
|
73 |
#define LL_CRS_ISR_SYNCWARNF CRS_ISR_SYNCWARNF
|
|
74 |
#define LL_CRS_ISR_ERRF CRS_ISR_ERRF
|
|
75 |
#define LL_CRS_ISR_ESYNCF CRS_ISR_ESYNCF
|
|
76 |
#define LL_CRS_ISR_SYNCERR CRS_ISR_SYNCERR
|
|
77 |
#define LL_CRS_ISR_SYNCMISS CRS_ISR_SYNCMISS
|
|
78 |
#define LL_CRS_ISR_TRIMOVF CRS_ISR_TRIMOVF
|
|
79 |
/**
|
|
80 |
* @}
|
|
81 |
*/
|
|
82 |
|
|
83 |
/** @defgroup CRS_LL_EC_IT IT Defines
|
|
84 |
* @brief IT defines which can be used with LL_CRS_ReadReg and LL_CRS_WriteReg functions
|
|
85 |
* @{
|
|
86 |
*/
|
|
87 |
#define LL_CRS_CR_SYNCOKIE CRS_CR_SYNCOKIE
|
|
88 |
#define LL_CRS_CR_SYNCWARNIE CRS_CR_SYNCWARNIE
|
|
89 |
#define LL_CRS_CR_ERRIE CRS_CR_ERRIE
|
|
90 |
#define LL_CRS_CR_ESYNCIE CRS_CR_ESYNCIE
|
|
91 |
/**
|
|
92 |
* @}
|
|
93 |
*/
|
|
94 |
|
|
95 |
/** @defgroup CRS_LL_EC_SYNC_DIV Synchronization Signal Divider
|
|
96 |
* @{
|
|
97 |
*/
|
|
98 |
#define LL_CRS_SYNC_DIV_1 ((uint32_t)0x00U) /*!< Synchro Signal not divided (default) */
|
|
99 |
#define LL_CRS_SYNC_DIV_2 CRS_CFGR_SYNCDIV_0 /*!< Synchro Signal divided by 2 */
|
|
100 |
#define LL_CRS_SYNC_DIV_4 CRS_CFGR_SYNCDIV_1 /*!< Synchro Signal divided by 4 */
|
|
101 |
#define LL_CRS_SYNC_DIV_8 (CRS_CFGR_SYNCDIV_1 | CRS_CFGR_SYNCDIV_0) /*!< Synchro Signal divided by 8 */
|
|
102 |
#define LL_CRS_SYNC_DIV_16 CRS_CFGR_SYNCDIV_2 /*!< Synchro Signal divided by 16 */
|
|
103 |
#define LL_CRS_SYNC_DIV_32 (CRS_CFGR_SYNCDIV_2 | CRS_CFGR_SYNCDIV_0) /*!< Synchro Signal divided by 32 */
|
|
104 |
#define LL_CRS_SYNC_DIV_64 (CRS_CFGR_SYNCDIV_2 | CRS_CFGR_SYNCDIV_1) /*!< Synchro Signal divided by 64 */
|
|
105 |
#define LL_CRS_SYNC_DIV_128 CRS_CFGR_SYNCDIV /*!< Synchro Signal divided by 128 */
|
|
106 |
/**
|
|
107 |
* @}
|
|
108 |
*/
|
|
109 |
|
|
110 |
/** @defgroup CRS_LL_EC_SYNC_SOURCE Synchronization Signal Source
|
|
111 |
* @{
|
|
112 |
*/
|
|
113 |
#define LL_CRS_SYNC_SOURCE_GPIO ((uint32_t)0x00U) /*!< Synchro Signal soucre GPIO */
|
|
114 |
#define LL_CRS_SYNC_SOURCE_LSE CRS_CFGR_SYNCSRC_0 /*!< Synchro Signal source LSE */
|
|
115 |
#define LL_CRS_SYNC_SOURCE_USB CRS_CFGR_SYNCSRC_1 /*!< Synchro Signal source USB SOF (default)*/
|
|
116 |
/**
|
|
117 |
* @}
|
|
118 |
*/
|
|
119 |
|
|
120 |
/** @defgroup CRS_LL_EC_SYNC_POLARITY Synchronization Signal Polarity
|
|
121 |
* @{
|
|
122 |
*/
|
|
123 |
#define LL_CRS_SYNC_POLARITY_RISING ((uint32_t)0x00U) /*!< Synchro Active on rising edge (default) */
|
|
124 |
#define LL_CRS_SYNC_POLARITY_FALLING CRS_CFGR_SYNCPOL /*!< Synchro Active on falling edge */
|
|
125 |
/**
|
|
126 |
* @}
|
|
127 |
*/
|
|
128 |
|
|
129 |
/** @defgroup CRS_LL_EC_FREQERRORDIR Frequency Error Direction
|
|
130 |
* @{
|
|
131 |
*/
|
|
132 |
#define LL_CRS_FREQ_ERROR_DIR_UP ((uint32_t)0x00U) /*!< Upcounting direction, the actual frequency is above the target */
|
|
133 |
#define LL_CRS_FREQ_ERROR_DIR_DOWN ((uint32_t)CRS_ISR_FEDIR) /*!< Downcounting direction, the actual frequency is below the target */
|
|
134 |
/**
|
|
135 |
* @}
|
|
136 |
*/
|
|
137 |
|
|
138 |
/** @defgroup CRS_LL_EC_DEFAULTVALUES Default Values
|
|
139 |
* @{
|
|
140 |
*/
|
|
141 |
/**
|
|
142 |
* @brief Reset value of the RELOAD field
|
|
143 |
* @note The reset value of the RELOAD field corresponds to a target frequency of 48 MHz
|
|
144 |
* and a synchronization signal frequency of 1 kHz (SOF signal from USB)
|
|
145 |
*/
|
|
146 |
#define LL_CRS_RELOADVALUE_DEFAULT ((uint32_t)0xBB7FU)
|
|
147 |
|
|
148 |
/**
|
|
149 |
* @brief Reset value of Frequency error limit.
|
|
150 |
*/
|
|
151 |
#define LL_CRS_ERRORLIMIT_DEFAULT ((uint32_t)0x22U)
|
|
152 |
|
|
153 |
/**
|
|
154 |
* @brief Reset value of the HSI48 Calibration field
|
|
155 |
* @note The default value is 32, which corresponds to the middle of the trimming interval.
|
|
156 |
* The trimming step is around 67 kHz between two consecutive TRIM steps.
|
|
157 |
* A higher TRIM value corresponds to a higher output frequency
|
|
158 |
*/
|
|
159 |
#define LL_CRS_HSI48CALIBRATION_DEFAULT ((uint32_t)0x20U)
|
|
160 |
/**
|
|
161 |
* @}
|
|
162 |
*/
|
|
163 |
|
|
164 |
/**
|
|
165 |
* @}
|
|
166 |
*/
|
|
167 |
|
|
168 |
/* Exported macro ------------------------------------------------------------*/
|
|
169 |
/** @defgroup CRS_LL_Exported_Macros CRS Exported Macros
|
|
170 |
* @{
|
|
171 |
*/
|
|
172 |
|
|
173 |
/** @defgroup CRS_LL_EM_WRITE_READ Common Write and read registers Macros
|
|
174 |
* @{
|
|
175 |
*/
|
|
176 |
|
|
177 |
/**
|
|
178 |
* @brief Write a value in CRS register
|
|
179 |
* @param __INSTANCE__ CRS Instance
|
|
180 |
* @param __REG__ Register to be written
|
|
181 |
* @param __VALUE__ Value to be written in the register
|
|
182 |
* @retval None
|
|
183 |
*/
|
|
184 |
#define LL_CRS_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
|
|
185 |
|
|
186 |
/**
|
|
187 |
* @brief Read a value in CRS register
|
|
188 |
* @param __INSTANCE__ CRS Instance
|
|
189 |
* @param __REG__ Register to be read
|
|
190 |
* @retval Register value
|
|
191 |
*/
|
|
192 |
#define LL_CRS_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
|
|
193 |
/**
|
|
194 |
* @}
|
|
195 |
*/
|
|
196 |
|
|
197 |
/** @defgroup CRS_LL_EM_Exported_Macros_Calculate_Reload Exported_Macros_Calculate_Reload
|
|
198 |
* @{
|
|
199 |
*/
|
|
200 |
|
|
201 |
/**
|
|
202 |
* @brief Macro to calculate reload value to be set in CRS register according to target and sync frequencies
|
|
203 |
* @note The RELOAD value should be selected according to the ratio between
|
|
204 |
* the target frequency and the frequency of the synchronization source after
|
|
205 |
* prescaling. It is then decreased by one in order to reach the expected
|
|
206 |
* synchronization on the zero value. The formula is the following:
|
|
207 |
* RELOAD = (fTARGET / fSYNC) -1
|
|
208 |
* @param __FTARGET__ Target frequency (value in Hz)
|
|
209 |
* @param __FSYNC__ Synchronization signal frequency (value in Hz)
|
|
210 |
* @retval Reload value (in Hz)
|
|
211 |
*/
|
|
212 |
#define __LL_CRS_CALC_CALCULATE_RELOADVALUE(__FTARGET__, __FSYNC__) (((__FTARGET__) / (__FSYNC__)) - 1U)
|
|
213 |
|
|
214 |
/**
|
|
215 |
* @}
|
|
216 |
*/
|
|
217 |
|
|
218 |
/**
|
|
219 |
* @}
|
|
220 |
*/
|
|
221 |
|
|
222 |
/* Exported functions --------------------------------------------------------*/
|
|
223 |
/** @defgroup CRS_LL_Exported_Functions CRS Exported Functions
|
|
224 |
* @{
|
|
225 |
*/
|
|
226 |
|
|
227 |
/** @defgroup CRS_LL_EF_Configuration Configuration
|
|
228 |
* @{
|
|
229 |
*/
|
|
230 |
|
|
231 |
/**
|
|
232 |
* @brief Enable Frequency error counter
|
|
233 |
* @note When this bit is set, the CRS_CFGR register is write-protected and cannot be modified
|
|
234 |
* @rmtoll CR CEN LL_CRS_EnableFreqErrorCounter
|
|
235 |
* @retval None
|
|
236 |
*/
|
|
237 |
__STATIC_INLINE void LL_CRS_EnableFreqErrorCounter(void)
|
|
238 |
{
|
|
239 |
SET_BIT(CRS->CR, CRS_CR_CEN);
|
|
240 |
}
|
|
241 |
|
|
242 |
/**
|
|
243 |
* @brief Disable Frequency error counter
|
|
244 |
* @rmtoll CR CEN LL_CRS_DisableFreqErrorCounter
|
|
245 |
* @retval None
|
|
246 |
*/
|
|
247 |
__STATIC_INLINE void LL_CRS_DisableFreqErrorCounter(void)
|
|
248 |
{
|
|
249 |
CLEAR_BIT(CRS->CR, CRS_CR_CEN);
|
|
250 |
}
|
|
251 |
|
|
252 |
/**
|
|
253 |
* @brief Check if Frequency error counter is enabled or not
|
|
254 |
* @rmtoll CR CEN LL_CRS_IsEnabledFreqErrorCounter
|
|
255 |
* @retval State of bit (1 or 0).
|
|
256 |
*/
|
|
257 |
__STATIC_INLINE uint32_t LL_CRS_IsEnabledFreqErrorCounter(void)
|
|
258 |
{
|
|
259 |
return (READ_BIT(CRS->CR, CRS_CR_CEN) == (CRS_CR_CEN));
|
|
260 |
}
|
|
261 |
|
|
262 |
/**
|
|
263 |
* @brief Enable Automatic trimming counter
|
|
264 |
* @rmtoll CR AUTOTRIMEN LL_CRS_EnableAutoTrimming
|
|
265 |
* @retval None
|
|
266 |
*/
|
|
267 |
__STATIC_INLINE void LL_CRS_EnableAutoTrimming(void)
|
|
268 |
{
|
|
269 |
SET_BIT(CRS->CR, CRS_CR_AUTOTRIMEN);
|
|
270 |
}
|
|
271 |
|
|
272 |
/**
|
|
273 |
* @brief Disable Automatic trimming counter
|
|
274 |
* @rmtoll CR AUTOTRIMEN LL_CRS_DisableAutoTrimming
|
|
275 |
* @retval None
|
|
276 |
*/
|
|
277 |
__STATIC_INLINE void LL_CRS_DisableAutoTrimming(void)
|
|
278 |
{
|
|
279 |
CLEAR_BIT(CRS->CR, CRS_CR_AUTOTRIMEN);
|
|
280 |
}
|
|
281 |
|
|
282 |
/**
|
|
283 |
* @brief Check if Automatic trimming is enabled or not
|
|
284 |
* @rmtoll CR AUTOTRIMEN LL_CRS_IsEnabledAutoTrimming
|
|
285 |
* @retval State of bit (1 or 0).
|
|
286 |
*/
|
|
287 |
__STATIC_INLINE uint32_t LL_CRS_IsEnabledAutoTrimming(void)
|
|
288 |
{
|
|
289 |
return (READ_BIT(CRS->CR, CRS_CR_AUTOTRIMEN) == (CRS_CR_AUTOTRIMEN));
|
|
290 |
}
|
|
291 |
|
|
292 |
/**
|
|
293 |
* @brief Set HSI48 oscillator smooth trimming
|
|
294 |
* @note When the AUTOTRIMEN bit is set, this field is controlled by hardware and is read-only
|
|
295 |
* @rmtoll CR TRIM LL_CRS_SetHSI48SmoothTrimming
|
|
296 |
* @param Value a number between Min_Data = 0 and Max_Data = 63
|
|
297 |
* @note Default value can be set thanks to @ref LL_CRS_HSI48CALIBRATION_DEFAULT
|
|
298 |
* @retval None
|
|
299 |
*/
|
|
300 |
__STATIC_INLINE void LL_CRS_SetHSI48SmoothTrimming(uint32_t Value)
|
|
301 |
{
|
|
302 |
MODIFY_REG(CRS->CR, CRS_CR_TRIM, Value << CRS_CR_TRIM_Pos);
|
|
303 |
}
|
|
304 |
|
|
305 |
/**
|
|
306 |
* @brief Get HSI48 oscillator smooth trimming
|
|
307 |
* @rmtoll CR TRIM LL_CRS_GetHSI48SmoothTrimming
|
|
308 |
* @retval a number between Min_Data = 0 and Max_Data = 63
|
|
309 |
*/
|
|
310 |
__STATIC_INLINE uint32_t LL_CRS_GetHSI48SmoothTrimming(void)
|
|
311 |
{
|
|
312 |
return (uint32_t)(READ_BIT(CRS->CR, CRS_CR_TRIM) >> CRS_CR_TRIM_Pos);
|
|
313 |
}
|
|
314 |
|
|
315 |
/**
|
|
316 |
* @brief Set counter reload value
|
|
317 |
* @rmtoll CFGR RELOAD LL_CRS_SetReloadCounter
|
|
318 |
* @param Value a number between Min_Data = 0 and Max_Data = 0xFFFF
|
|
319 |
* @note Default value can be set thanks to @ref LL_CRS_RELOADVALUE_DEFAULT
|
|
320 |
* Otherwise it can be calculated in using macro @ref __LL_CRS_CALC_CALCULATE_RELOADVALUE (_FTARGET_, _FSYNC_)
|
|
321 |
* @retval None
|
|
322 |
*/
|
|
323 |
__STATIC_INLINE void LL_CRS_SetReloadCounter(uint32_t Value)
|
|
324 |
{
|
|
325 |
MODIFY_REG(CRS->CFGR, CRS_CFGR_RELOAD, Value);
|
|
326 |
}
|
|
327 |
|
|
328 |
/**
|
|
329 |
* @brief Get counter reload value
|
|
330 |
* @rmtoll CFGR RELOAD LL_CRS_GetReloadCounter
|
|
331 |
* @retval a number between Min_Data = 0 and Max_Data = 0xFFFF
|
|
332 |
*/
|
|
333 |
__STATIC_INLINE uint32_t LL_CRS_GetReloadCounter(void)
|
|
334 |
{
|
|
335 |
return (uint32_t)(READ_BIT(CRS->CFGR, CRS_CFGR_RELOAD));
|
|
336 |
}
|
|
337 |
|
|
338 |
/**
|
|
339 |
* @brief Set frequency error limit
|
|
340 |
* @rmtoll CFGR FELIM LL_CRS_SetFreqErrorLimit
|
|
341 |
* @param Value a number between Min_Data = 0 and Max_Data = 255
|
|
342 |
* @note Default value can be set thanks to @ref LL_CRS_ERRORLIMIT_DEFAULT
|
|
343 |
* @retval None
|
|
344 |
*/
|
|
345 |
__STATIC_INLINE void LL_CRS_SetFreqErrorLimit(uint32_t Value)
|
|
346 |
{
|
|
347 |
MODIFY_REG(CRS->CFGR, CRS_CFGR_FELIM, Value << CRS_CFGR_FELIM_Pos);
|
|
348 |
}
|
|
349 |
|
|
350 |
/**
|
|
351 |
* @brief Get frequency error limit
|
|
352 |
* @rmtoll CFGR FELIM LL_CRS_GetFreqErrorLimit
|
|
353 |
* @retval A number between Min_Data = 0 and Max_Data = 255
|
|
354 |
*/
|
|
355 |
__STATIC_INLINE uint32_t LL_CRS_GetFreqErrorLimit(void)
|
|
356 |
{
|
|
357 |
return (uint32_t)(READ_BIT(CRS->CFGR, CRS_CFGR_FELIM) >> CRS_CFGR_FELIM_Pos);
|
|
358 |
}
|
|
359 |
|
|
360 |
/**
|
|
361 |
* @brief Set division factor for SYNC signal
|
|
362 |
* @rmtoll CFGR SYNCDIV LL_CRS_SetSyncDivider
|
|
363 |
* @param Divider This parameter can be one of the following values:
|
|
364 |
* @arg @ref LL_CRS_SYNC_DIV_1
|
|
365 |
* @arg @ref LL_CRS_SYNC_DIV_2
|
|
366 |
* @arg @ref LL_CRS_SYNC_DIV_4
|
|
367 |
* @arg @ref LL_CRS_SYNC_DIV_8
|
|
368 |
* @arg @ref LL_CRS_SYNC_DIV_16
|
|
369 |
* @arg @ref LL_CRS_SYNC_DIV_32
|
|
370 |
* @arg @ref LL_CRS_SYNC_DIV_64
|
|
371 |
* @arg @ref LL_CRS_SYNC_DIV_128
|
|
372 |
* @retval None
|
|
373 |
*/
|
|
374 |
__STATIC_INLINE void LL_CRS_SetSyncDivider(uint32_t Divider)
|
|
375 |
{
|
|
376 |
MODIFY_REG(CRS->CFGR, CRS_CFGR_SYNCDIV, Divider);
|
|
377 |
}
|
|
378 |
|
|
379 |
/**
|
|
380 |
* @brief Get division factor for SYNC signal
|
|
381 |
* @rmtoll CFGR SYNCDIV LL_CRS_GetSyncDivider
|
|
382 |
* @retval Returned value can be one of the following values:
|
|
383 |
* @arg @ref LL_CRS_SYNC_DIV_1
|
|
384 |
* @arg @ref LL_CRS_SYNC_DIV_2
|
|
385 |
* @arg @ref LL_CRS_SYNC_DIV_4
|
|
386 |
* @arg @ref LL_CRS_SYNC_DIV_8
|
|
387 |
* @arg @ref LL_CRS_SYNC_DIV_16
|
|
388 |
* @arg @ref LL_CRS_SYNC_DIV_32
|
|
389 |
* @arg @ref LL_CRS_SYNC_DIV_64
|
|
390 |
* @arg @ref LL_CRS_SYNC_DIV_128
|
|
391 |
*/
|
|
392 |
__STATIC_INLINE uint32_t LL_CRS_GetSyncDivider(void)
|
|
393 |
{
|
|
394 |
return (uint32_t)(READ_BIT(CRS->CFGR, CRS_CFGR_SYNCDIV));
|
|
395 |
}
|
|
396 |
|
|
397 |
/**
|
|
398 |
* @brief Set SYNC signal source
|
|
399 |
* @rmtoll CFGR SYNCSRC LL_CRS_SetSyncSignalSource
|
|
400 |
* @param Source This parameter can be one of the following values:
|
|
401 |
* @arg @ref LL_CRS_SYNC_SOURCE_GPIO
|
|
402 |
* @arg @ref LL_CRS_SYNC_SOURCE_LSE
|
|
403 |
* @arg @ref LL_CRS_SYNC_SOURCE_USB
|
|
404 |
* @retval None
|
|
405 |
*/
|
|
406 |
__STATIC_INLINE void LL_CRS_SetSyncSignalSource(uint32_t Source)
|
|
407 |
{
|
|
408 |
MODIFY_REG(CRS->CFGR, CRS_CFGR_SYNCSRC, Source);
|
|
409 |
}
|
|
410 |
|
|
411 |
/**
|
|
412 |
* @brief Get SYNC signal source
|
|
413 |
* @rmtoll CFGR SYNCSRC LL_CRS_GetSyncSignalSource
|
|
414 |
* @retval Returned value can be one of the following values:
|
|
415 |
* @arg @ref LL_CRS_SYNC_SOURCE_GPIO
|
|
416 |
* @arg @ref LL_CRS_SYNC_SOURCE_LSE
|
|
417 |
* @arg @ref LL_CRS_SYNC_SOURCE_USB
|
|
418 |
*/
|
|
419 |
__STATIC_INLINE uint32_t LL_CRS_GetSyncSignalSource(void)
|
|
420 |
{
|
|
421 |
return (uint32_t)(READ_BIT(CRS->CFGR, CRS_CFGR_SYNCSRC));
|
|
422 |
}
|
|
423 |
|
|
424 |
/**
|
|
425 |
* @brief Set input polarity for the SYNC signal source
|
|
426 |
* @rmtoll CFGR SYNCPOL LL_CRS_SetSyncPolarity
|
|
427 |
* @param Polarity This parameter can be one of the following values:
|
|
428 |
* @arg @ref LL_CRS_SYNC_POLARITY_RISING
|
|
429 |
* @arg @ref LL_CRS_SYNC_POLARITY_FALLING
|
|
430 |
* @retval None
|
|
431 |
*/
|
|
432 |
__STATIC_INLINE void LL_CRS_SetSyncPolarity(uint32_t Polarity)
|
|
433 |
{
|
|
434 |
MODIFY_REG(CRS->CFGR, CRS_CFGR_SYNCPOL, Polarity);
|
|
435 |
}
|
|
436 |
|
|
437 |
/**
|
|
438 |
* @brief Get input polarity for the SYNC signal source
|
|
439 |
* @rmtoll CFGR SYNCPOL LL_CRS_GetSyncPolarity
|
|
440 |
* @retval Returned value can be one of the following values:
|
|
441 |
* @arg @ref LL_CRS_SYNC_POLARITY_RISING
|
|
442 |
* @arg @ref LL_CRS_SYNC_POLARITY_FALLING
|
|
443 |
*/
|
|
444 |
__STATIC_INLINE uint32_t LL_CRS_GetSyncPolarity(void)
|
|
445 |
{
|
|
446 |
return (uint32_t)(READ_BIT(CRS->CFGR, CRS_CFGR_SYNCPOL));
|
|
447 |
}
|
|
448 |
|
|
449 |
/**
|
|
450 |
* @brief Configure CRS for the synchronization
|
|
451 |
* @rmtoll CR TRIM LL_CRS_ConfigSynchronization\n
|
|
452 |
* CFGR RELOAD LL_CRS_ConfigSynchronization\n
|
|
453 |
* CFGR FELIM LL_CRS_ConfigSynchronization\n
|
|
454 |
* CFGR SYNCDIV LL_CRS_ConfigSynchronization\n
|
|
455 |
* CFGR SYNCSRC LL_CRS_ConfigSynchronization\n
|
|
456 |
* CFGR SYNCPOL LL_CRS_ConfigSynchronization
|
|
457 |
* @param HSI48CalibrationValue a number between Min_Data = 0 and Max_Data = 63
|
|
458 |
* @param ErrorLimitValue a number between Min_Data = 0 and Max_Data = 0xFFFF
|
|
459 |
* @param ReloadValue a number between Min_Data = 0 and Max_Data = 255
|
|
460 |
* @param Settings This parameter can be a combination of the following values:
|
|
461 |
* @arg @ref LL_CRS_SYNC_DIV_1 or @ref LL_CRS_SYNC_DIV_2 or @ref LL_CRS_SYNC_DIV_4 or @ref LL_CRS_SYNC_DIV_8
|
|
462 |
* or @ref LL_CRS_SYNC_DIV_16 or @ref LL_CRS_SYNC_DIV_32 or @ref LL_CRS_SYNC_DIV_64 or @ref LL_CRS_SYNC_DIV_128
|
|
463 |
* @arg @ref LL_CRS_SYNC_SOURCE_GPIO or @ref LL_CRS_SYNC_SOURCE_LSE or @ref LL_CRS_SYNC_SOURCE_USB
|
|
464 |
* @arg @ref LL_CRS_SYNC_POLARITY_RISING or @ref LL_CRS_SYNC_POLARITY_FALLING
|
|
465 |
* @retval None
|
|
466 |
*/
|
|
467 |
__STATIC_INLINE void LL_CRS_ConfigSynchronization(uint32_t HSI48CalibrationValue, uint32_t ErrorLimitValue, uint32_t ReloadValue, uint32_t Settings)
|
|
468 |
{
|
|
469 |
MODIFY_REG(CRS->CR, CRS_CR_TRIM, HSI48CalibrationValue << CRS_CR_TRIM_Pos);
|
|
470 |
MODIFY_REG(CRS->CFGR,
|
|
471 |
CRS_CFGR_RELOAD | CRS_CFGR_FELIM | CRS_CFGR_SYNCDIV | CRS_CFGR_SYNCSRC | CRS_CFGR_SYNCPOL,
|
|
472 |
ReloadValue | (ErrorLimitValue << CRS_CFGR_FELIM_Pos) | Settings);
|
|
473 |
}
|
|
474 |
|
|
475 |
/**
|
|
476 |
* @}
|
|
477 |
*/
|
|
478 |
|
|
479 |
/** @defgroup CRS_LL_EF_CRS_Management CRS_Management
|
|
480 |
* @{
|
|
481 |
*/
|
|
482 |
|
|
483 |
/**
|
|
484 |
* @brief Generate software SYNC event
|
|
485 |
* @rmtoll CR SWSYNC LL_CRS_GenerateEvent_SWSYNC
|
|
486 |
* @retval None
|
|
487 |
*/
|
|
488 |
__STATIC_INLINE void LL_CRS_GenerateEvent_SWSYNC(void)
|
|
489 |
{
|
|
490 |
SET_BIT(CRS->CR, CRS_CR_SWSYNC);
|
|
491 |
}
|
|
492 |
|
|
493 |
/**
|
|
494 |
* @brief Get the frequency error direction latched in the time of the last
|
|
495 |
* SYNC event
|
|
496 |
* @rmtoll ISR FEDIR LL_CRS_GetFreqErrorDirection
|
|
497 |
* @retval Returned value can be one of the following values:
|
|
498 |
* @arg @ref LL_CRS_FREQ_ERROR_DIR_UP
|
|
499 |
* @arg @ref LL_CRS_FREQ_ERROR_DIR_DOWN
|
|
500 |
*/
|
|
501 |
__STATIC_INLINE uint32_t LL_CRS_GetFreqErrorDirection(void)
|
|
502 |
{
|
|
503 |
return (uint32_t)(READ_BIT(CRS->ISR, CRS_ISR_FEDIR));
|
|
504 |
}
|
|
505 |
|
|
506 |
/**
|
|
507 |
* @brief Get the frequency error counter value latched in the time of the last SYNC event
|
|
508 |
* @rmtoll ISR FECAP LL_CRS_GetFreqErrorCapture
|
|
509 |
* @retval A number between Min_Data = 0x0000 and Max_Data = 0xFFFF
|
|
510 |
*/
|
|
511 |
__STATIC_INLINE uint32_t LL_CRS_GetFreqErrorCapture(void)
|
|
512 |
{
|
|
513 |
return (uint32_t)(READ_BIT(CRS->ISR, CRS_ISR_FECAP) >> CRS_ISR_FECAP_Pos);
|
|
514 |
}
|
|
515 |
|
|
516 |
/**
|
|
517 |
* @}
|
|
518 |
*/
|
|
519 |
|
|
520 |
/** @defgroup CRS_LL_EF_FLAG_Management FLAG_Management
|
|
521 |
* @{
|
|
522 |
*/
|
|
523 |
|
|
524 |
/**
|
|
525 |
* @brief Check if SYNC event OK signal occurred or not
|
|
526 |
* @rmtoll ISR SYNCOKF LL_CRS_IsActiveFlag_SYNCOK
|
|
527 |
* @retval State of bit (1 or 0).
|
|
528 |
*/
|
|
529 |
__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_SYNCOK(void)
|
|
530 |
{
|
|
531 |
return (READ_BIT(CRS->ISR, CRS_ISR_SYNCOKF) == (CRS_ISR_SYNCOKF));
|
|
532 |
}
|
|
533 |
|
|
534 |
/**
|
|
535 |
* @brief Check if SYNC warning signal occurred or not
|
|
536 |
* @rmtoll ISR SYNCWARNF LL_CRS_IsActiveFlag_SYNCWARN
|
|
537 |
* @retval State of bit (1 or 0).
|
|
538 |
*/
|
|
539 |
__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_SYNCWARN(void)
|
|
540 |
{
|
|
541 |
return (READ_BIT(CRS->ISR, CRS_ISR_SYNCWARNF) == (CRS_ISR_SYNCWARNF));
|
|
542 |
}
|
|
543 |
|
|
544 |
/**
|
|
545 |
* @brief Check if Synchronization or trimming error signal occurred or not
|
|
546 |
* @rmtoll ISR ERRF LL_CRS_IsActiveFlag_ERR
|
|
547 |
* @retval State of bit (1 or 0).
|
|
548 |
*/
|
|
549 |
__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_ERR(void)
|
|
550 |
{
|
|
551 |
return (READ_BIT(CRS->ISR, CRS_ISR_ERRF) == (CRS_ISR_ERRF));
|
|
552 |
}
|
|
553 |
|
|
554 |
/**
|
|
555 |
* @brief Check if Expected SYNC signal occurred or not
|
|
556 |
* @rmtoll ISR ESYNCF LL_CRS_IsActiveFlag_ESYNC
|
|
557 |
* @retval State of bit (1 or 0).
|
|
558 |
*/
|
|
559 |
__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_ESYNC(void)
|
|
560 |
{
|
|
561 |
return (READ_BIT(CRS->ISR, CRS_ISR_ESYNCF) == (CRS_ISR_ESYNCF));
|
|
562 |
}
|
|
563 |
|
|
564 |
/**
|
|
565 |
* @brief Check if SYNC error signal occurred or not
|
|
566 |
* @rmtoll ISR SYNCERR LL_CRS_IsActiveFlag_SYNCERR
|
|
567 |
* @retval State of bit (1 or 0).
|
|
568 |
*/
|
|
569 |
__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_SYNCERR(void)
|
|
570 |
{
|
|
571 |
return (READ_BIT(CRS->ISR, CRS_ISR_SYNCERR) == (CRS_ISR_SYNCERR));
|
|
572 |
}
|
|
573 |
|
|
574 |
/**
|
|
575 |
* @brief Check if SYNC missed error signal occurred or not
|
|
576 |
* @rmtoll ISR SYNCMISS LL_CRS_IsActiveFlag_SYNCMISS
|
|
577 |
* @retval State of bit (1 or 0).
|
|
578 |
*/
|
|
579 |
__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_SYNCMISS(void)
|
|
580 |
{
|
|
581 |
return (READ_BIT(CRS->ISR, CRS_ISR_SYNCMISS) == (CRS_ISR_SYNCMISS));
|
|
582 |
}
|
|
583 |
|
|
584 |
/**
|
|
585 |
* @brief Check if Trimming overflow or underflow occurred or not
|
|
586 |
* @rmtoll ISR TRIMOVF LL_CRS_IsActiveFlag_TRIMOVF
|
|
587 |
* @retval State of bit (1 or 0).
|
|
588 |
*/
|
|
589 |
__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_TRIMOVF(void)
|
|
590 |
{
|
|
591 |
return (READ_BIT(CRS->ISR, CRS_ISR_TRIMOVF) == (CRS_ISR_TRIMOVF));
|
|
592 |
}
|
|
593 |
|
|
594 |
/**
|
|
595 |
* @brief Clear the SYNC event OK flag
|
|
596 |
* @rmtoll ICR SYNCOKC LL_CRS_ClearFlag_SYNCOK
|
|
597 |
* @retval None
|
|
598 |
*/
|
|
599 |
__STATIC_INLINE void LL_CRS_ClearFlag_SYNCOK(void)
|
|
600 |
{
|
|
601 |
WRITE_REG(CRS->ICR, CRS_ICR_SYNCOKC);
|
|
602 |
}
|
|
603 |
|
|
604 |
/**
|
|
605 |
* @brief Clear the SYNC warning flag
|
|
606 |
* @rmtoll ICR SYNCWARNC LL_CRS_ClearFlag_SYNCWARN
|
|
607 |
* @retval None
|
|
608 |
*/
|
|
609 |
__STATIC_INLINE void LL_CRS_ClearFlag_SYNCWARN(void)
|
|
610 |
{
|
|
611 |
WRITE_REG(CRS->ICR, CRS_ICR_SYNCWARNC);
|
|
612 |
}
|
|
613 |
|
|
614 |
/**
|
|
615 |
* @brief Clear TRIMOVF, SYNCMISS and SYNCERR bits and consequently also
|
|
616 |
* the ERR flag
|
|
617 |
* @rmtoll ICR ERRC LL_CRS_ClearFlag_ERR
|
|
618 |
* @retval None
|
|
619 |
*/
|
|
620 |
__STATIC_INLINE void LL_CRS_ClearFlag_ERR(void)
|
|
621 |
{
|
|
622 |
WRITE_REG(CRS->ICR, CRS_ICR_ERRC);
|
|
623 |
}
|
|
624 |
|
|
625 |
/**
|
|
626 |
* @brief Clear Expected SYNC flag
|
|
627 |
* @rmtoll ICR ESYNCC LL_CRS_ClearFlag_ESYNC
|
|
628 |
* @retval None
|
|
629 |
*/
|
|
630 |
__STATIC_INLINE void LL_CRS_ClearFlag_ESYNC(void)
|
|
631 |
{
|
|
632 |
WRITE_REG(CRS->ICR, CRS_ICR_ESYNCC);
|
|
633 |
}
|
|
634 |
|
|
635 |
/**
|
|
636 |
* @}
|
|
637 |
*/
|
|
638 |
|
|
639 |
/** @defgroup CRS_LL_EF_IT_Management IT_Management
|
|
640 |
* @{
|
|
641 |
*/
|
|
642 |
|
|
643 |
/**
|
|
644 |
* @brief Enable SYNC event OK interrupt
|
|
645 |
* @rmtoll CR SYNCOKIE LL_CRS_EnableIT_SYNCOK
|
|
646 |
* @retval None
|
|
647 |
*/
|
|
648 |
__STATIC_INLINE void LL_CRS_EnableIT_SYNCOK(void)
|
|
649 |
{
|
|
650 |
SET_BIT(CRS->CR, CRS_CR_SYNCOKIE);
|
|
651 |
}
|
|
652 |
|
|
653 |
/**
|
|
654 |
* @brief Disable SYNC event OK interrupt
|
|
655 |
* @rmtoll CR SYNCOKIE LL_CRS_DisableIT_SYNCOK
|
|
656 |
* @retval None
|
|
657 |
*/
|
|
658 |
__STATIC_INLINE void LL_CRS_DisableIT_SYNCOK(void)
|
|
659 |
{
|
|
660 |
CLEAR_BIT(CRS->CR, CRS_CR_SYNCOKIE);
|
|
661 |
}
|
|
662 |
|
|
663 |
/**
|
|
664 |
* @brief Check if SYNC event OK interrupt is enabled or not
|
|
665 |
* @rmtoll CR SYNCOKIE LL_CRS_IsEnabledIT_SYNCOK
|
|
666 |
* @retval State of bit (1 or 0).
|
|
667 |
*/
|
|
668 |
__STATIC_INLINE uint32_t LL_CRS_IsEnabledIT_SYNCOK(void)
|
|
669 |
{
|
|
670 |
return (READ_BIT(CRS->CR, CRS_CR_SYNCOKIE) == (CRS_CR_SYNCOKIE));
|
|
671 |
}
|
|
672 |
|
|
673 |
/**
|
|
674 |
* @brief Enable SYNC warning interrupt
|
|
675 |
* @rmtoll CR SYNCWARNIE LL_CRS_EnableIT_SYNCWARN
|
|
676 |
* @retval None
|
|
677 |
*/
|
|
678 |
__STATIC_INLINE void LL_CRS_EnableIT_SYNCWARN(void)
|
|
679 |
{
|
|
680 |
SET_BIT(CRS->CR, CRS_CR_SYNCWARNIE);
|
|
681 |
}
|
|
682 |
|
|
683 |
/**
|
|
684 |
* @brief Disable SYNC warning interrupt
|
|
685 |
* @rmtoll CR SYNCWARNIE LL_CRS_DisableIT_SYNCWARN
|
|
686 |
* @retval None
|
|
687 |
*/
|
|
688 |
__STATIC_INLINE void LL_CRS_DisableIT_SYNCWARN(void)
|
|
689 |
{
|
|
690 |
CLEAR_BIT(CRS->CR, CRS_CR_SYNCWARNIE);
|
|
691 |
}
|
|
692 |
|
|
693 |
/**
|
|
694 |
* @brief Check if SYNC warning interrupt is enabled or not
|
|
695 |
* @rmtoll CR SYNCWARNIE LL_CRS_IsEnabledIT_SYNCWARN
|
|
696 |
* @retval State of bit (1 or 0).
|
|
697 |
*/
|
|
698 |
__STATIC_INLINE uint32_t LL_CRS_IsEnabledIT_SYNCWARN(void)
|
|
699 |
{
|
|
700 |
return (READ_BIT(CRS->CR, CRS_CR_SYNCWARNIE) == (CRS_CR_SYNCWARNIE));
|
|
701 |
}
|
|
702 |
|
|
703 |
/**
|
|
704 |
* @brief Enable Synchronization or trimming error interrupt
|
|
705 |
* @rmtoll CR ERRIE LL_CRS_EnableIT_ERR
|
|
706 |
* @retval None
|
|
707 |
*/
|
|
708 |
__STATIC_INLINE void LL_CRS_EnableIT_ERR(void)
|
|
709 |
{
|
|
710 |
SET_BIT(CRS->CR, CRS_CR_ERRIE);
|
|
711 |
}
|
|
712 |
|
|
713 |
/**
|
|
714 |
* @brief Disable Synchronization or trimming error interrupt
|
|
715 |
* @rmtoll CR ERRIE LL_CRS_DisableIT_ERR
|
|
716 |
* @retval None
|
|
717 |
*/
|
|
718 |
__STATIC_INLINE void LL_CRS_DisableIT_ERR(void)
|
|
719 |
{
|
|
720 |
CLEAR_BIT(CRS->CR, CRS_CR_ERRIE);
|
|
721 |
}
|
|
722 |
|
|
723 |
/**
|
|
724 |
* @brief Check if Synchronization or trimming error interrupt is enabled or not
|
|
725 |
* @rmtoll CR ERRIE LL_CRS_IsEnabledIT_ERR
|
|
726 |
* @retval State of bit (1 or 0).
|
|
727 |
*/
|
|
728 |
__STATIC_INLINE uint32_t LL_CRS_IsEnabledIT_ERR(void)
|
|
729 |
{
|
|
730 |
return (READ_BIT(CRS->CR, CRS_CR_ERRIE) == (CRS_CR_ERRIE));
|
|
731 |
}
|
|
732 |
|
|
733 |
/**
|
|
734 |
* @brief Enable Expected SYNC interrupt
|
|
735 |
* @rmtoll CR ESYNCIE LL_CRS_EnableIT_ESYNC
|
|
736 |
* @retval None
|
|
737 |
*/
|
|
738 |
__STATIC_INLINE void LL_CRS_EnableIT_ESYNC(void)
|
|
739 |
{
|
|
740 |
SET_BIT(CRS->CR, CRS_CR_ESYNCIE);
|
|
741 |
}
|
|
742 |
|
|
743 |
/**
|
|
744 |
* @brief Disable Expected SYNC interrupt
|
|
745 |
* @rmtoll CR ESYNCIE LL_CRS_DisableIT_ESYNC
|
|
746 |
* @retval None
|
|
747 |
*/
|
|
748 |
__STATIC_INLINE void LL_CRS_DisableIT_ESYNC(void)
|
|
749 |
{
|
|
750 |
CLEAR_BIT(CRS->CR, CRS_CR_ESYNCIE);
|
|
751 |
}
|
|
752 |
|
|
753 |
/**
|
|
754 |
* @brief Check if Expected SYNC interrupt is enabled or not
|
|
755 |
* @rmtoll CR ESYNCIE LL_CRS_IsEnabledIT_ESYNC
|
|
756 |
* @retval State of bit (1 or 0).
|
|
757 |
*/
|
|
758 |
__STATIC_INLINE uint32_t LL_CRS_IsEnabledIT_ESYNC(void)
|
|
759 |
{
|
|
760 |
return (READ_BIT(CRS->CR, CRS_CR_ESYNCIE) == (CRS_CR_ESYNCIE));
|
|
761 |
}
|
|
762 |
|
|
763 |
/**
|
|
764 |
* @}
|
|
765 |
*/
|
|
766 |
|
|
767 |
#if defined(USE_FULL_LL_DRIVER)
|
|
768 |
/** @defgroup CRS_LL_EF_Init Initialization and de-initialization functions
|
|
769 |
* @{
|
|
770 |
*/
|
|
771 |
|
|
772 |
ErrorStatus LL_CRS_DeInit(void);
|
|
773 |
|
|
774 |
/**
|
|
775 |
* @}
|
|
776 |
*/
|
|
777 |
#endif /* USE_FULL_LL_DRIVER */
|
|
778 |
|
|
779 |
/**
|
|
780 |
* @}
|
|
781 |
*/
|
|
782 |
|
|
783 |
/**
|
|
784 |
* @}
|
|
785 |
*/
|
|
786 |
|
|
787 |
#endif /* defined(CRS) */
|
|
788 |
|
|
789 |
/**
|
|
790 |
* @}
|
|
791 |
*/
|
|
792 |
|
|
793 |
#ifdef __cplusplus
|
|
794 |
}
|
|
795 |
#endif
|
|
796 |
|
|
797 |
#endif /* __STM32F0xx_LL_CRS_H */
|
|
798 |
|
|
799 |
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|