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2 mjames 1
/**
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  ******************************************************************************
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  * @file    stm32f1xx_ll_rcc.h
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  * @author  MCD Application Team
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  * @brief   Header file of RCC LL module.
6
  ******************************************************************************
7
  * @attention
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  *
9
  * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
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  *
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  * Redistribution and use in source and binary forms, with or without modification,
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  * are permitted provided that the following conditions are met:
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  *   1. Redistributions of source code must retain the above copyright notice,
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  *      this list of conditions and the following disclaimer.
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  *   2. Redistributions in binary form must reproduce the above copyright notice,
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  *      this list of conditions and the following disclaimer in the documentation
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  *      and/or other materials provided with the distribution.
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  *   3. Neither the name of STMicroelectronics nor the names of its contributors
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  *      may be used to endorse or promote products derived from this software
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  *      without specific prior written permission.
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  *
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  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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  *
33
  ******************************************************************************
34
  */
35
 
36
/* Define to prevent recursive inclusion -------------------------------------*/
37
#ifndef __STM32F1xx_LL_RCC_H
38
#define __STM32F1xx_LL_RCC_H
39
 
40
#ifdef __cplusplus
41
extern "C" {
42
#endif
43
 
44
/* Includes ------------------------------------------------------------------*/
45
#include "stm32f1xx.h"
46
 
47
/** @addtogroup STM32F1xx_LL_Driver
48
  * @{
49
  */
50
 
51
#if defined(RCC)
52
 
53
/** @defgroup RCC_LL RCC
54
  * @{
55
  */
56
 
57
/* Private types -------------------------------------------------------------*/
58
/* Private variables ---------------------------------------------------------*/
59
/* Private constants ---------------------------------------------------------*/
60
/* Private macros ------------------------------------------------------------*/
61
#if defined(USE_FULL_LL_DRIVER)
62
/** @defgroup RCC_LL_Private_Macros RCC Private Macros
63
  * @{
64
  */
65
/**
66
  * @}
67
  */
68
#endif /*USE_FULL_LL_DRIVER*/
69
/* Exported types ------------------------------------------------------------*/
70
#if defined(USE_FULL_LL_DRIVER)
71
/** @defgroup RCC_LL_Exported_Types RCC Exported Types
72
  * @{
73
  */
74
 
75
/** @defgroup LL_ES_CLOCK_FREQ Clocks Frequency Structure
76
  * @{
77
  */
78
 
79
/**
80
  * @brief  RCC Clocks Frequency Structure
81
  */
82
typedef struct
83
{
84
  uint32_t SYSCLK_Frequency;        /*!< SYSCLK clock frequency */
85
  uint32_t HCLK_Frequency;          /*!< HCLK clock frequency */
86
  uint32_t PCLK1_Frequency;         /*!< PCLK1 clock frequency */
87
  uint32_t PCLK2_Frequency;         /*!< PCLK2 clock frequency */
88
} LL_RCC_ClocksTypeDef;
89
 
90
/**
91
  * @}
92
  */
93
 
94
/**
95
  * @}
96
  */
97
#endif /* USE_FULL_LL_DRIVER */
98
 
99
/* Exported constants --------------------------------------------------------*/
100
/** @defgroup RCC_LL_Exported_Constants RCC Exported Constants
101
  * @{
102
  */
103
 
104
/** @defgroup RCC_LL_EC_OSC_VALUES Oscillator Values adaptation
105
  * @brief    Defines used to adapt values of different oscillators
106
  * @note     These values could be modified in the user environment according to
107
  *           HW set-up.
108
  * @{
109
  */
110
#if !defined  (HSE_VALUE)
111
#define HSE_VALUE    8000000U  /*!< Value of the HSE oscillator in Hz */
112
#endif /* HSE_VALUE */
113
 
114
#if !defined  (HSI_VALUE)
115
#define HSI_VALUE    8000000U  /*!< Value of the HSI oscillator in Hz */
116
#endif /* HSI_VALUE */
117
 
118
#if !defined  (LSE_VALUE)
119
#define LSE_VALUE    32768U    /*!< Value of the LSE oscillator in Hz */
120
#endif /* LSE_VALUE */
121
 
122
#if !defined  (LSI_VALUE)
123
#define LSI_VALUE    32000U    /*!< Value of the LSI oscillator in Hz */
124
#endif /* LSI_VALUE */
125
/**
126
  * @}
127
  */
128
 
129
/** @defgroup RCC_LL_EC_CLEAR_FLAG Clear Flags Defines
130
  * @brief    Flags defines which can be used with LL_RCC_WriteReg function
131
  * @{
132
  */
133
#define LL_RCC_CIR_LSIRDYC                RCC_CIR_LSIRDYC     /*!< LSI Ready Interrupt Clear */
134
#define LL_RCC_CIR_LSERDYC                RCC_CIR_LSERDYC     /*!< LSE Ready Interrupt Clear */
135
#define LL_RCC_CIR_HSIRDYC                RCC_CIR_HSIRDYC     /*!< HSI Ready Interrupt Clear */
136
#define LL_RCC_CIR_HSERDYC                RCC_CIR_HSERDYC     /*!< HSE Ready Interrupt Clear */
137
#define LL_RCC_CIR_PLLRDYC                RCC_CIR_PLLRDYC     /*!< PLL Ready Interrupt Clear */
138
#define LL_RCC_CIR_PLL3RDYC               RCC_CIR_PLL3RDYC    /*!< PLL3(PLLI2S) Ready Interrupt Clear */
139
#define LL_RCC_CIR_PLL2RDYC               RCC_CIR_PLL2RDYC    /*!< PLL2 Ready Interrupt Clear */
140
#define LL_RCC_CIR_CSSC                   RCC_CIR_CSSC        /*!< Clock Security System Interrupt Clear */
141
/**
142
  * @}
143
  */
144
 
145
/** @defgroup RCC_LL_EC_GET_FLAG Get Flags Defines
146
  * @brief    Flags defines which can be used with LL_RCC_ReadReg function
147
  * @{
148
  */
149
#define LL_RCC_CIR_LSIRDYF                RCC_CIR_LSIRDYF     /*!< LSI Ready Interrupt flag */
150
#define LL_RCC_CIR_LSERDYF                RCC_CIR_LSERDYF     /*!< LSE Ready Interrupt flag */
151
#define LL_RCC_CIR_HSIRDYF                RCC_CIR_HSIRDYF     /*!< HSI Ready Interrupt flag */
152
#define LL_RCC_CIR_HSERDYF                RCC_CIR_HSERDYF     /*!< HSE Ready Interrupt flag */
153
#define LL_RCC_CIR_PLLRDYF                RCC_CIR_PLLRDYF     /*!< PLL Ready Interrupt flag */
154
#define LL_RCC_CIR_PLL3RDYF               RCC_CIR_PLL3RDYF    /*!< PLL3(PLLI2S) Ready Interrupt flag */
155
#define LL_RCC_CIR_PLL2RDYF               RCC_CIR_PLL2RDYF    /*!< PLL2 Ready Interrupt flag */
156
#define LL_RCC_CIR_CSSF                   RCC_CIR_CSSF        /*!< Clock Security System Interrupt flag */
157
#define LL_RCC_CSR_PINRSTF                RCC_CSR_PINRSTF     /*!< PIN reset flag */
158
#define LL_RCC_CSR_PORRSTF                RCC_CSR_PORRSTF     /*!< POR/PDR reset flag */
159
#define LL_RCC_CSR_SFTRSTF                RCC_CSR_SFTRSTF     /*!< Software Reset flag */
160
#define LL_RCC_CSR_IWDGRSTF               RCC_CSR_IWDGRSTF    /*!< Independent Watchdog reset flag */
161
#define LL_RCC_CSR_WWDGRSTF               RCC_CSR_WWDGRSTF    /*!< Window watchdog reset flag */
162
#define LL_RCC_CSR_LPWRRSTF               RCC_CSR_LPWRRSTF    /*!< Low-Power reset flag */
163
/**
164
  * @}
165
  */
166
 
167
/** @defgroup RCC_LL_EC_IT IT Defines
168
  * @brief    IT defines which can be used with LL_RCC_ReadReg and  LL_RCC_WriteReg functions
169
  * @{
170
  */
171
#define LL_RCC_CIR_LSIRDYIE               RCC_CIR_LSIRDYIE      /*!< LSI Ready Interrupt Enable */
172
#define LL_RCC_CIR_LSERDYIE               RCC_CIR_LSERDYIE      /*!< LSE Ready Interrupt Enable */
173
#define LL_RCC_CIR_HSIRDYIE               RCC_CIR_HSIRDYIE      /*!< HSI Ready Interrupt Enable */
174
#define LL_RCC_CIR_HSERDYIE               RCC_CIR_HSERDYIE      /*!< HSE Ready Interrupt Enable */
175
#define LL_RCC_CIR_PLLRDYIE               RCC_CIR_PLLRDYIE      /*!< PLL Ready Interrupt Enable */
176
#define LL_RCC_CIR_PLL3RDYIE              RCC_CIR_PLL3RDYIE     /*!< PLL3(PLLI2S) Ready Interrupt Enable */
177
#define LL_RCC_CIR_PLL2RDYIE              RCC_CIR_PLL2RDYIE     /*!< PLL2 Ready Interrupt Enable */
178
/**
179
  * @}
180
  */
181
 
182
#if defined(RCC_CFGR2_PREDIV2)
183
/** @defgroup RCC_LL_EC_HSE_PREDIV2_DIV HSE PREDIV2 Division factor
184
  * @{
185
  */
186
#define LL_RCC_HSE_PREDIV2_DIV_1           RCC_CFGR2_PREDIV2_DIV1   /*!< PREDIV2 input clock not divided */
187
#define LL_RCC_HSE_PREDIV2_DIV_2           RCC_CFGR2_PREDIV2_DIV2   /*!< PREDIV2 input clock divided by 2 */
188
#define LL_RCC_HSE_PREDIV2_DIV_3           RCC_CFGR2_PREDIV2_DIV3   /*!< PREDIV2 input clock divided by 3 */
189
#define LL_RCC_HSE_PREDIV2_DIV_4           RCC_CFGR2_PREDIV2_DIV4   /*!< PREDIV2 input clock divided by 4 */
190
#define LL_RCC_HSE_PREDIV2_DIV_5           RCC_CFGR2_PREDIV2_DIV5   /*!< PREDIV2 input clock divided by 5 */
191
#define LL_RCC_HSE_PREDIV2_DIV_6           RCC_CFGR2_PREDIV2_DIV6   /*!< PREDIV2 input clock divided by 6 */
192
#define LL_RCC_HSE_PREDIV2_DIV_7           RCC_CFGR2_PREDIV2_DIV7   /*!< PREDIV2 input clock divided by 7 */
193
#define LL_RCC_HSE_PREDIV2_DIV_8           RCC_CFGR2_PREDIV2_DIV8   /*!< PREDIV2 input clock divided by 8 */
194
#define LL_RCC_HSE_PREDIV2_DIV_9           RCC_CFGR2_PREDIV2_DIV9   /*!< PREDIV2 input clock divided by 9 */
195
#define LL_RCC_HSE_PREDIV2_DIV_10          RCC_CFGR2_PREDIV2_DIV10  /*!< PREDIV2 input clock divided by 10 */
196
#define LL_RCC_HSE_PREDIV2_DIV_11          RCC_CFGR2_PREDIV2_DIV11  /*!< PREDIV2 input clock divided by 11 */
197
#define LL_RCC_HSE_PREDIV2_DIV_12          RCC_CFGR2_PREDIV2_DIV12  /*!< PREDIV2 input clock divided by 12 */
198
#define LL_RCC_HSE_PREDIV2_DIV_13          RCC_CFGR2_PREDIV2_DIV13  /*!< PREDIV2 input clock divided by 13 */
199
#define LL_RCC_HSE_PREDIV2_DIV_14          RCC_CFGR2_PREDIV2_DIV14  /*!< PREDIV2 input clock divided by 14 */
200
#define LL_RCC_HSE_PREDIV2_DIV_15          RCC_CFGR2_PREDIV2_DIV15  /*!< PREDIV2 input clock divided by 15 */
201
#define LL_RCC_HSE_PREDIV2_DIV_16          RCC_CFGR2_PREDIV2_DIV16  /*!< PREDIV2 input clock divided by 16 */
202
/**
203
  * @}
204
  */
205
 
206
#endif /* RCC_CFGR2_PREDIV2 */
207
 
208
/** @defgroup RCC_LL_EC_SYS_CLKSOURCE  System clock switch
209
  * @{
210
  */
211
#define LL_RCC_SYS_CLKSOURCE_HSI           RCC_CFGR_SW_HSI    /*!< HSI selection as system clock */
212
#define LL_RCC_SYS_CLKSOURCE_HSE           RCC_CFGR_SW_HSE    /*!< HSE selection as system clock */
213
#define LL_RCC_SYS_CLKSOURCE_PLL           RCC_CFGR_SW_PLL    /*!< PLL selection as system clock */
214
/**
215
  * @}
216
  */
217
 
218
/** @defgroup RCC_LL_EC_SYS_CLKSOURCE_STATUS  System clock switch status
219
  * @{
220
  */
221
#define LL_RCC_SYS_CLKSOURCE_STATUS_HSI    RCC_CFGR_SWS_HSI   /*!< HSI used as system clock */
222
#define LL_RCC_SYS_CLKSOURCE_STATUS_HSE    RCC_CFGR_SWS_HSE   /*!< HSE used as system clock */
223
#define LL_RCC_SYS_CLKSOURCE_STATUS_PLL    RCC_CFGR_SWS_PLL   /*!< PLL used as system clock */
224
/**
225
  * @}
226
  */
227
 
228
/** @defgroup RCC_LL_EC_SYSCLK_DIV  AHB prescaler
229
  * @{
230
  */
231
#define LL_RCC_SYSCLK_DIV_1                RCC_CFGR_HPRE_DIV1   /*!< SYSCLK not divided */
232
#define LL_RCC_SYSCLK_DIV_2                RCC_CFGR_HPRE_DIV2   /*!< SYSCLK divided by 2 */
233
#define LL_RCC_SYSCLK_DIV_4                RCC_CFGR_HPRE_DIV4   /*!< SYSCLK divided by 4 */
234
#define LL_RCC_SYSCLK_DIV_8                RCC_CFGR_HPRE_DIV8   /*!< SYSCLK divided by 8 */
235
#define LL_RCC_SYSCLK_DIV_16               RCC_CFGR_HPRE_DIV16  /*!< SYSCLK divided by 16 */
236
#define LL_RCC_SYSCLK_DIV_64               RCC_CFGR_HPRE_DIV64  /*!< SYSCLK divided by 64 */
237
#define LL_RCC_SYSCLK_DIV_128              RCC_CFGR_HPRE_DIV128 /*!< SYSCLK divided by 128 */
238
#define LL_RCC_SYSCLK_DIV_256              RCC_CFGR_HPRE_DIV256 /*!< SYSCLK divided by 256 */
239
#define LL_RCC_SYSCLK_DIV_512              RCC_CFGR_HPRE_DIV512 /*!< SYSCLK divided by 512 */
240
/**
241
  * @}
242
  */
243
 
244
/** @defgroup RCC_LL_EC_APB1_DIV  APB low-speed prescaler (APB1)
245
  * @{
246
  */
247
#define LL_RCC_APB1_DIV_1                  RCC_CFGR_PPRE1_DIV1  /*!< HCLK not divided */
248
#define LL_RCC_APB1_DIV_2                  RCC_CFGR_PPRE1_DIV2  /*!< HCLK divided by 2 */
249
#define LL_RCC_APB1_DIV_4                  RCC_CFGR_PPRE1_DIV4  /*!< HCLK divided by 4 */
250
#define LL_RCC_APB1_DIV_8                  RCC_CFGR_PPRE1_DIV8  /*!< HCLK divided by 8 */
251
#define LL_RCC_APB1_DIV_16                 RCC_CFGR_PPRE1_DIV16 /*!< HCLK divided by 16 */
252
/**
253
  * @}
254
  */
255
 
256
/** @defgroup RCC_LL_EC_APB2_DIV  APB high-speed prescaler (APB2)
257
  * @{
258
  */
259
#define LL_RCC_APB2_DIV_1                  RCC_CFGR_PPRE2_DIV1  /*!< HCLK not divided */
260
#define LL_RCC_APB2_DIV_2                  RCC_CFGR_PPRE2_DIV2  /*!< HCLK divided by 2 */
261
#define LL_RCC_APB2_DIV_4                  RCC_CFGR_PPRE2_DIV4  /*!< HCLK divided by 4 */
262
#define LL_RCC_APB2_DIV_8                  RCC_CFGR_PPRE2_DIV8  /*!< HCLK divided by 8 */
263
#define LL_RCC_APB2_DIV_16                 RCC_CFGR_PPRE2_DIV16 /*!< HCLK divided by 16 */
264
/**
265
  * @}
266
  */
267
 
268
/** @defgroup RCC_LL_EC_MCO1SOURCE  MCO1 SOURCE selection
269
  * @{
270
  */
271
#define LL_RCC_MCO1SOURCE_NOCLOCK          RCC_CFGR_MCOSEL_NOCLOCK      /*!< MCO output disabled, no clock on MCO */
272
#define LL_RCC_MCO1SOURCE_SYSCLK           RCC_CFGR_MCOSEL_SYSCLK       /*!< SYSCLK selection as MCO source */
273
#define LL_RCC_MCO1SOURCE_HSI              RCC_CFGR_MCOSEL_HSI          /*!< HSI selection as MCO source */
274
#define LL_RCC_MCO1SOURCE_HSE              RCC_CFGR_MCOSEL_HSE          /*!< HSE selection as MCO source */
275
#define LL_RCC_MCO1SOURCE_PLLCLK_DIV_2     RCC_CFGR_MCOSEL_PLL_DIV2     /*!< PLL clock divided by 2*/
276
#if defined(RCC_CFGR_MCOSEL_PLL2CLK)
277
#define LL_RCC_MCO1SOURCE_PLL2CLK          RCC_CFGR_MCOSEL_PLL2         /*!< PLL2 clock selected as MCO source*/
278
#endif /* RCC_CFGR_MCOSEL_PLL2CLK */
279
#if defined(RCC_CFGR_MCOSEL_PLL3CLK_DIV2)
280
#define LL_RCC_MCO1SOURCE_PLLI2SCLK_DIV2   RCC_CFGR_MCOSEL_PLL3_DIV2    /*!< PLLI2S clock divided by 2 selected as MCO source*/
281
#endif /* RCC_CFGR_MCOSEL_PLL3CLK_DIV2 */
282
#if defined(RCC_CFGR_MCOSEL_EXT_HSE)
283
#define LL_RCC_MCO1SOURCE_EXT_HSE          RCC_CFGR_MCOSEL_EXT_HSE      /*!< XT1 external 3-25 MHz oscillator clock selected as MCO source */
284
#endif /* RCC_CFGR_MCOSEL_EXT_HSE */
285
#if defined(RCC_CFGR_MCOSEL_PLL3CLK)
286
#define LL_RCC_MCO1SOURCE_PLLI2SCLK        RCC_CFGR_MCOSEL_PLL3CLK      /*!< PLLI2S clock selected as MCO source */
287
#endif /* RCC_CFGR_MCOSEL_PLL3CLK */
288
/**
289
  * @}
290
  */
291
 
292
#if defined(USE_FULL_LL_DRIVER)
293
/** @defgroup RCC_LL_EC_PERIPH_FREQUENCY Peripheral clock frequency
294
  * @{
295
  */
296
#define LL_RCC_PERIPH_FREQUENCY_NO         0x00000000U      /*!< No clock enabled for the peripheral            */
297
#define LL_RCC_PERIPH_FREQUENCY_NA         0xFFFFFFFFU      /*!< Frequency cannot be provided as external clock */
298
/**
299
  * @}
300
  */
301
#endif /* USE_FULL_LL_DRIVER */
302
 
303
#if defined(RCC_CFGR2_I2S2SRC)
304
/** @defgroup RCC_LL_EC_I2S2CLKSOURCE Peripheral I2S clock source selection
305
  * @{
306
  */
307
#define LL_RCC_I2S2_CLKSOURCE_SYSCLK        RCC_CFGR2_I2S2SRC                                          /*!< System clock (SYSCLK) selected as I2S2 clock entry */
308
#define LL_RCC_I2S2_CLKSOURCE_PLLI2S_VCO    (uint32_t)(RCC_CFGR2_I2S2SRC | (RCC_CFGR2_I2S2SRC >> 16U)) /*!< PLLI2S VCO clock selected as I2S2 clock entry */
309
#define LL_RCC_I2S3_CLKSOURCE_SYSCLK        RCC_CFGR2_I2S3SRC                                          /*!< System clock (SYSCLK) selected as I2S3 clock entry */
310
#define LL_RCC_I2S3_CLKSOURCE_PLLI2S_VCO    (uint32_t)(RCC_CFGR2_I2S3SRC | (RCC_CFGR2_I2S3SRC >> 16U)) /*!< PLLI2S VCO clock selected as I2S3 clock entry */
311
/**
312
  * @}
313
  */
314
#endif /* RCC_CFGR2_I2S2SRC */
315
 
316
#if defined(USB_OTG_FS) || defined(USB)
317
/** @defgroup RCC_LL_EC_USB_CLKSOURCE Peripheral USB clock source selection
318
  * @{
319
  */
320
#if defined(RCC_CFGR_USBPRE)
321
#define LL_RCC_USB_CLKSOURCE_PLL             RCC_CFGR_USBPRE        /*!< PLL clock is not divided */
322
#define LL_RCC_USB_CLKSOURCE_PLL_DIV_1_5     0x00000000U            /*!< PLL clock is divided by 1.5 */
323
#endif /*RCC_CFGR_USBPRE*/                   
324
#if defined(RCC_CFGR_OTGFSPRE)               
325
#define LL_RCC_USB_CLKSOURCE_PLL_DIV_2       RCC_CFGR_OTGFSPRE      /*!< PLL clock is divided by 2 */
326
#define LL_RCC_USB_CLKSOURCE_PLL_DIV_3       0x00000000U            /*!< PLL clock is divided by 3 */
327
#endif /*RCC_CFGR_OTGFSPRE*/
328
/**
329
  * @}
330
  */
331
#endif /* USB_OTG_FS || USB */
332
 
333
/** @defgroup RCC_LL_EC_ADC_CLKSOURCE_PCLK2 Peripheral ADC clock source selection
334
  * @{
335
  */
336
#define LL_RCC_ADC_CLKSRC_PCLK2_DIV_2    RCC_CFGR_ADCPRE_DIV2 /*ADC prescaler PCLK2 divided by 2*/
337
#define LL_RCC_ADC_CLKSRC_PCLK2_DIV_4    RCC_CFGR_ADCPRE_DIV4 /*ADC prescaler PCLK2 divided by 4*/
338
#define LL_RCC_ADC_CLKSRC_PCLK2_DIV_6    RCC_CFGR_ADCPRE_DIV6 /*ADC prescaler PCLK2 divided by 6*/
339
#define LL_RCC_ADC_CLKSRC_PCLK2_DIV_8    RCC_CFGR_ADCPRE_DIV8 /*ADC prescaler PCLK2 divided by 8*/
340
/**
341
  * @}
342
  */
343
 
344
#if defined(RCC_CFGR2_I2S2SRC)
345
/** @defgroup RCC_LL_EC_I2S2 Peripheral I2S get clock source
346
  * @{
347
  */
348
#define LL_RCC_I2S2_CLKSOURCE              RCC_CFGR2_I2S2SRC       /*!< I2S2 Clock source selection */
349
#define LL_RCC_I2S3_CLKSOURCE              RCC_CFGR2_I2S3SRC       /*!< I2S3 Clock source selection */
350
/**
351
  * @}
352
  */
353
 
354
#endif /* RCC_CFGR2_I2S2SRC */
355
 
356
#if defined(USB_OTG_FS) || defined(USB)
357
/** @defgroup RCC_LL_EC_USB Peripheral USB get clock source
358
  * @{
359
  */
360
#define LL_RCC_USB_CLKSOURCE               0x00400000U     /*!< USB Clock source selection */
361
/**
362
  * @}
363
  */
364
 
365
#endif /* USB_OTG_FS || USB */
366
 
367
/** @defgroup RCC_LL_EC_ADC Peripheral ADC get clock source
368
  * @{
369
  */
370
#define LL_RCC_ADC_CLKSOURCE               RCC_CFGR_ADCPRE /*!< ADC Clock source selection */
371
/**
372
  * @}
373
  */
374
 
375
/** @defgroup RCC_LL_EC_RTC_CLKSOURCE  RTC clock source selection
376
  * @{
377
  */
378
#define LL_RCC_RTC_CLKSOURCE_NONE          0x00000000U             /*!< No clock used as RTC clock */
379
#define LL_RCC_RTC_CLKSOURCE_LSE           RCC_BDCR_RTCSEL_0       /*!< LSE oscillator clock used as RTC clock */
380
#define LL_RCC_RTC_CLKSOURCE_LSI           RCC_BDCR_RTCSEL_1       /*!< LSI oscillator clock used as RTC clock */
381
#define LL_RCC_RTC_CLKSOURCE_HSE_DIV128    RCC_BDCR_RTCSEL         /*!< HSE oscillator clock divided by 128 used as RTC clock */
382
/**
383
  * @}
384
  */
385
 
386
/** @defgroup RCC_LL_EC_PLL_MUL PLL Multiplicator factor
387
  * @{
388
  */
389
#if defined(RCC_CFGR_PLLMULL2)
390
#define LL_RCC_PLL_MUL_2                   RCC_CFGR_PLLMULL2  /*!< PLL input clock*2 */
391
#endif /*RCC_CFGR_PLLMULL2*/
392
#if defined(RCC_CFGR_PLLMULL3)
393
#define LL_RCC_PLL_MUL_3                   RCC_CFGR_PLLMULL3  /*!< PLL input clock*3 */
394
#endif /*RCC_CFGR_PLLMULL3*/
395
#define LL_RCC_PLL_MUL_4                   RCC_CFGR_PLLMULL4  /*!< PLL input clock*4 */
396
#define LL_RCC_PLL_MUL_5                   RCC_CFGR_PLLMULL5  /*!< PLL input clock*5 */
397
#define LL_RCC_PLL_MUL_6                   RCC_CFGR_PLLMULL6  /*!< PLL input clock*6 */
398
#define LL_RCC_PLL_MUL_7                   RCC_CFGR_PLLMULL7  /*!< PLL input clock*7 */
399
#define LL_RCC_PLL_MUL_8                   RCC_CFGR_PLLMULL8  /*!< PLL input clock*8 */
400
#define LL_RCC_PLL_MUL_9                   RCC_CFGR_PLLMULL9  /*!< PLL input clock*9 */
401
#if defined(RCC_CFGR_PLLMULL6_5)
402
#define LL_RCC_PLL_MUL_6_5                 RCC_CFGR_PLLMULL6_5 /*!< PLL input clock*6 */
403
#else
404
#define LL_RCC_PLL_MUL_10                  RCC_CFGR_PLLMULL10  /*!< PLL input clock*10 */
405
#define LL_RCC_PLL_MUL_11                  RCC_CFGR_PLLMULL11  /*!< PLL input clock*11 */
406
#define LL_RCC_PLL_MUL_12                  RCC_CFGR_PLLMULL12  /*!< PLL input clock*12 */
407
#define LL_RCC_PLL_MUL_13                  RCC_CFGR_PLLMULL13  /*!< PLL input clock*13 */
408
#define LL_RCC_PLL_MUL_14                  RCC_CFGR_PLLMULL14  /*!< PLL input clock*14 */
409
#define LL_RCC_PLL_MUL_15                  RCC_CFGR_PLLMULL15  /*!< PLL input clock*15 */
410
#define LL_RCC_PLL_MUL_16                  RCC_CFGR_PLLMULL16  /*!< PLL input clock*16 */
411
#endif /*RCC_CFGR_PLLMULL6_5*/
412
/**
413
  * @}
414
  */
415
 
416
/** @defgroup RCC_LL_EC_PLLSOURCE PLL SOURCE
417
  * @{
418
  */
419
#define LL_RCC_PLLSOURCE_HSI_DIV_2         0x00000000U                                    /*!< HSI clock divided by 2 selected as PLL entry clock source */
420
#define LL_RCC_PLLSOURCE_HSE               RCC_CFGR_PLLSRC                                /*!< HSE/PREDIV1 clock selected as PLL entry clock source */
421
#if defined(RCC_CFGR2_PREDIV1SRC)
422
#define LL_RCC_PLLSOURCE_PLL2              (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1SRC << 4U) /*!< PLL2/PREDIV1 clock selected as PLL entry clock source */
423
#endif /*RCC_CFGR2_PREDIV1SRC*/
424
 
425
#if defined(RCC_CFGR2_PREDIV1)
426
#define LL_RCC_PLLSOURCE_HSE_DIV_1         (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV1)    /*!< HSE/1 clock selected as PLL entry clock source */
427
#define LL_RCC_PLLSOURCE_HSE_DIV_2         (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV2)    /*!< HSE/2 clock selected as PLL entry clock source */
428
#define LL_RCC_PLLSOURCE_HSE_DIV_3         (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV3)    /*!< HSE/3 clock selected as PLL entry clock source */
429
#define LL_RCC_PLLSOURCE_HSE_DIV_4         (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV4)    /*!< HSE/4 clock selected as PLL entry clock source */
430
#define LL_RCC_PLLSOURCE_HSE_DIV_5         (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV5)    /*!< HSE/5 clock selected as PLL entry clock source */
431
#define LL_RCC_PLLSOURCE_HSE_DIV_6         (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV6)    /*!< HSE/6 clock selected as PLL entry clock source */
432
#define LL_RCC_PLLSOURCE_HSE_DIV_7         (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV7)    /*!< HSE/7 clock selected as PLL entry clock source */
433
#define LL_RCC_PLLSOURCE_HSE_DIV_8         (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV8)    /*!< HSE/8 clock selected as PLL entry clock source */
434
#define LL_RCC_PLLSOURCE_HSE_DIV_9         (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV9)    /*!< HSE/9 clock selected as PLL entry clock source */
435
#define LL_RCC_PLLSOURCE_HSE_DIV_10        (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV10)   /*!< HSE/10 clock selected as PLL entry clock source */
436
#define LL_RCC_PLLSOURCE_HSE_DIV_11        (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV11)   /*!< HSE/11 clock selected as PLL entry clock source */
437
#define LL_RCC_PLLSOURCE_HSE_DIV_12        (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV12)   /*!< HSE/12 clock selected as PLL entry clock source */
438
#define LL_RCC_PLLSOURCE_HSE_DIV_13        (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV13)   /*!< HSE/13 clock selected as PLL entry clock source */
439
#define LL_RCC_PLLSOURCE_HSE_DIV_14        (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV14)   /*!< HSE/14 clock selected as PLL entry clock source */
440
#define LL_RCC_PLLSOURCE_HSE_DIV_15        (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV15)   /*!< HSE/15 clock selected as PLL entry clock source */
441
#define LL_RCC_PLLSOURCE_HSE_DIV_16        (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV16)   /*!< HSE/16 clock selected as PLL entry clock source */
442
#if defined(RCC_CFGR2_PREDIV1SRC)
443
#define LL_RCC_PLLSOURCE_PLL2_DIV_1        (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV1 | RCC_CFGR2_PREDIV1SRC << 4U)    /*!< PLL2/1 clock selected as PLL entry clock source */
444
#define LL_RCC_PLLSOURCE_PLL2_DIV_2        (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV2 | RCC_CFGR2_PREDIV1SRC << 4U)    /*!< PLL2/2 clock selected as PLL entry clock source */
445
#define LL_RCC_PLLSOURCE_PLL2_DIV_3        (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV3 | RCC_CFGR2_PREDIV1SRC << 4U)    /*!< PLL2/3 clock selected as PLL entry clock source */
446
#define LL_RCC_PLLSOURCE_PLL2_DIV_4        (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV4 | RCC_CFGR2_PREDIV1SRC << 4U)    /*!< PLL2/4 clock selected as PLL entry clock source */
447
#define LL_RCC_PLLSOURCE_PLL2_DIV_5        (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV5 | RCC_CFGR2_PREDIV1SRC << 4U)    /*!< PLL2/5 clock selected as PLL entry clock source */
448
#define LL_RCC_PLLSOURCE_PLL2_DIV_6        (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV6 | RCC_CFGR2_PREDIV1SRC << 4U)    /*!< PLL2/6 clock selected as PLL entry clock source */
449
#define LL_RCC_PLLSOURCE_PLL2_DIV_7        (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV7 | RCC_CFGR2_PREDIV1SRC << 4U)    /*!< PLL2/7 clock selected as PLL entry clock source */
450
#define LL_RCC_PLLSOURCE_PLL2_DIV_8        (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV8 | RCC_CFGR2_PREDIV1SRC << 4U)    /*!< PLL2/8 clock selected as PLL entry clock source */
451
#define LL_RCC_PLLSOURCE_PLL2_DIV_9        (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV9 | RCC_CFGR2_PREDIV1SRC << 4U)    /*!< PLL2/9 clock selected as PLL entry clock source */
452
#define LL_RCC_PLLSOURCE_PLL2_DIV_10       (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV10 | RCC_CFGR2_PREDIV1SRC << 4U)   /*!< PLL2/10 clock selected as PLL entry clock source */
453
#define LL_RCC_PLLSOURCE_PLL2_DIV_11       (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV11 | RCC_CFGR2_PREDIV1SRC << 4U)   /*!< PLL2/11 clock selected as PLL entry clock source */
454
#define LL_RCC_PLLSOURCE_PLL2_DIV_12       (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV12 | RCC_CFGR2_PREDIV1SRC << 4U)   /*!< PLL2/12 clock selected as PLL entry clock source */
455
#define LL_RCC_PLLSOURCE_PLL2_DIV_13       (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV13 | RCC_CFGR2_PREDIV1SRC << 4U)   /*!< PLL2/13 clock selected as PLL entry clock source */
456
#define LL_RCC_PLLSOURCE_PLL2_DIV_14       (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV14 | RCC_CFGR2_PREDIV1SRC << 4U)   /*!< PLL2/14 clock selected as PLL entry clock source */
457
#define LL_RCC_PLLSOURCE_PLL2_DIV_15       (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV15 | RCC_CFGR2_PREDIV1SRC << 4U)   /*!< PLL2/15 clock selected as PLL entry clock source */
458
#define LL_RCC_PLLSOURCE_PLL2_DIV_16       (RCC_CFGR_PLLSRC | RCC_CFGR2_PREDIV1_DIV16 | RCC_CFGR2_PREDIV1SRC << 4U)   /*!< PLL2/16 clock selected as PLL entry clock source */
459
#endif /*RCC_CFGR2_PREDIV1SRC*/
460
#else
461
#define LL_RCC_PLLSOURCE_HSE_DIV_1         (RCC_CFGR_PLLSRC | 0x00000000U)               /*!< HSE/1 clock selected as PLL entry clock source */
462
#define LL_RCC_PLLSOURCE_HSE_DIV_2         (RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE)         /*!< HSE/2 clock selected as PLL entry clock source */
463
#endif /*RCC_CFGR2_PREDIV1*/
464
/**
465
  * @}
466
  */
467
 
468
/** @defgroup RCC_LL_EC_PREDIV_DIV PREDIV Division factor
469
  * @{
470
  */
471
#if defined(RCC_CFGR2_PREDIV1)
472
#define LL_RCC_PREDIV_DIV_1                RCC_CFGR2_PREDIV1_DIV1   /*!< PREDIV1 input clock not divided */
473
#define LL_RCC_PREDIV_DIV_2                RCC_CFGR2_PREDIV1_DIV2   /*!< PREDIV1 input clock divided by 2 */
474
#define LL_RCC_PREDIV_DIV_3                RCC_CFGR2_PREDIV1_DIV3   /*!< PREDIV1 input clock divided by 3 */
475
#define LL_RCC_PREDIV_DIV_4                RCC_CFGR2_PREDIV1_DIV4   /*!< PREDIV1 input clock divided by 4 */
476
#define LL_RCC_PREDIV_DIV_5                RCC_CFGR2_PREDIV1_DIV5   /*!< PREDIV1 input clock divided by 5 */
477
#define LL_RCC_PREDIV_DIV_6                RCC_CFGR2_PREDIV1_DIV6   /*!< PREDIV1 input clock divided by 6 */
478
#define LL_RCC_PREDIV_DIV_7                RCC_CFGR2_PREDIV1_DIV7   /*!< PREDIV1 input clock divided by 7 */
479
#define LL_RCC_PREDIV_DIV_8                RCC_CFGR2_PREDIV1_DIV8   /*!< PREDIV1 input clock divided by 8 */
480
#define LL_RCC_PREDIV_DIV_9                RCC_CFGR2_PREDIV1_DIV9   /*!< PREDIV1 input clock divided by 9 */
481
#define LL_RCC_PREDIV_DIV_10               RCC_CFGR2_PREDIV1_DIV10  /*!< PREDIV1 input clock divided by 10 */
482
#define LL_RCC_PREDIV_DIV_11               RCC_CFGR2_PREDIV1_DIV11  /*!< PREDIV1 input clock divided by 11 */
483
#define LL_RCC_PREDIV_DIV_12               RCC_CFGR2_PREDIV1_DIV12  /*!< PREDIV1 input clock divided by 12 */
484
#define LL_RCC_PREDIV_DIV_13               RCC_CFGR2_PREDIV1_DIV13  /*!< PREDIV1 input clock divided by 13 */
485
#define LL_RCC_PREDIV_DIV_14               RCC_CFGR2_PREDIV1_DIV14  /*!< PREDIV1 input clock divided by 14 */
486
#define LL_RCC_PREDIV_DIV_15               RCC_CFGR2_PREDIV1_DIV15  /*!< PREDIV1 input clock divided by 15 */
487
#define LL_RCC_PREDIV_DIV_16               RCC_CFGR2_PREDIV1_DIV16  /*!< PREDIV1 input clock divided by 16 */
488
#else
489
#define LL_RCC_PREDIV_DIV_1                0x00000000U              /*!< HSE divider clock clock not divided */
490
#define LL_RCC_PREDIV_DIV_2                RCC_CFGR_PLLXTPRE        /*!< HSE divider clock divided by 2 for PLL entry */
491
#endif /*RCC_CFGR2_PREDIV1*/
492
/**
493
  * @}
494
  */
495
 
496
#if defined(RCC_PLLI2S_SUPPORT)
497
/** @defgroup RCC_LL_EC_PLLI2S_MUL PLLI2S MUL
498
  * @{
499
  */
500
#define LL_RCC_PLLI2S_MUL_8                RCC_CFGR2_PLL3MUL8   /*!< PLLI2S input clock * 8 */
501
#define LL_RCC_PLLI2S_MUL_9                RCC_CFGR2_PLL3MUL9   /*!< PLLI2S input clock * 9 */
502
#define LL_RCC_PLLI2S_MUL_10               RCC_CFGR2_PLL3MUL10  /*!< PLLI2S input clock * 10 */
503
#define LL_RCC_PLLI2S_MUL_11               RCC_CFGR2_PLL3MUL11  /*!< PLLI2S input clock * 11 */
504
#define LL_RCC_PLLI2S_MUL_12               RCC_CFGR2_PLL3MUL12  /*!< PLLI2S input clock * 12 */
505
#define LL_RCC_PLLI2S_MUL_13               RCC_CFGR2_PLL3MUL13  /*!< PLLI2S input clock * 13 */
506
#define LL_RCC_PLLI2S_MUL_14               RCC_CFGR2_PLL3MUL14  /*!< PLLI2S input clock * 14 */
507
#define LL_RCC_PLLI2S_MUL_16               RCC_CFGR2_PLL3MUL16  /*!< PLLI2S input clock * 16 */
508
#define LL_RCC_PLLI2S_MUL_20               RCC_CFGR2_PLL3MUL20  /*!< PLLI2S input clock * 20 */
509
/**
510
  * @}
511
  */
512
 
513
#endif /* RCC_PLLI2S_SUPPORT */
514
 
515
#if defined(RCC_PLL2_SUPPORT)
516
/** @defgroup RCC_LL_EC_PLL2_MUL PLL2 MUL
517
  * @{
518
  */
519
#define LL_RCC_PLL2_MUL_8                  RCC_CFGR2_PLL2MUL8   /*!< PLL2 input clock * 8 */
520
#define LL_RCC_PLL2_MUL_9                  RCC_CFGR2_PLL2MUL9   /*!< PLL2 input clock * 9 */
521
#define LL_RCC_PLL2_MUL_10                 RCC_CFGR2_PLL2MUL10  /*!< PLL2 input clock * 10 */
522
#define LL_RCC_PLL2_MUL_11                 RCC_CFGR2_PLL2MUL11  /*!< PLL2 input clock * 11 */
523
#define LL_RCC_PLL2_MUL_12                 RCC_CFGR2_PLL2MUL12  /*!< PLL2 input clock * 12 */
524
#define LL_RCC_PLL2_MUL_13                 RCC_CFGR2_PLL2MUL13  /*!< PLL2 input clock * 13 */
525
#define LL_RCC_PLL2_MUL_14                 RCC_CFGR2_PLL2MUL14  /*!< PLL2 input clock * 14 */
526
#define LL_RCC_PLL2_MUL_16                 RCC_CFGR2_PLL2MUL16  /*!< PLL2 input clock * 16 */
527
#define LL_RCC_PLL2_MUL_20                 RCC_CFGR2_PLL2MUL20  /*!< PLL2 input clock * 20 */
528
/**
529
  * @}
530
  */
531
 
532
#endif /* RCC_PLL2_SUPPORT */
533
 
534
/**
535
  * @}
536
  */
537
 
538
/* Exported macro ------------------------------------------------------------*/
539
/** @defgroup RCC_LL_Exported_Macros RCC Exported Macros
540
  * @{
541
  */
542
 
543
/** @defgroup RCC_LL_EM_WRITE_READ Common Write and read registers Macros
544
  * @{
545
  */
546
 
547
/**
548
  * @brief  Write a value in RCC register
549
  * @param  __REG__ Register to be written
550
  * @param  __VALUE__ Value to be written in the register
551
  * @retval None
552
  */
553
#define LL_RCC_WriteReg(__REG__, __VALUE__) WRITE_REG(RCC->__REG__, (__VALUE__))
554
 
555
/**
556
  * @brief  Read a value in RCC register
557
  * @param  __REG__ Register to be read
558
  * @retval Register value
559
  */
560
#define LL_RCC_ReadReg(__REG__) READ_REG(RCC->__REG__)
561
/**
562
  * @}
563
  */
564
 
565
/** @defgroup RCC_LL_EM_CALC_FREQ Calculate frequencies
566
  * @{
567
  */
568
 
569
#if defined(RCC_CFGR_PLLMULL6_5)
570
/**
571
  * @brief  Helper macro to calculate the PLLCLK frequency
572
  * @note ex: @ref __LL_RCC_CALC_PLLCLK_FREQ (HSE_VALUE / (@ref LL_RCC_PLL_GetPrediv () + 1), @ref LL_RCC_PLL_GetMultiplicator());
573
  * @param  __INPUTFREQ__ PLL Input frequency (based on HSE div Prediv1 / HSI div 2 / PLL2 div Prediv1)
574
  * @param  __PLLMUL__: This parameter can be one of the following values:
575
  *         @arg @ref LL_RCC_PLL_MUL_4
576
  *         @arg @ref LL_RCC_PLL_MUL_5
577
  *         @arg @ref LL_RCC_PLL_MUL_6
578
  *         @arg @ref LL_RCC_PLL_MUL_7
579
  *         @arg @ref LL_RCC_PLL_MUL_8
580
  *         @arg @ref LL_RCC_PLL_MUL_9
581
  *         @arg @ref LL_RCC_PLL_MUL_6_5
582
  * @retval PLL clock frequency (in Hz)
583
  */
584
#define __LL_RCC_CALC_PLLCLK_FREQ(__INPUTFREQ__, __PLLMUL__) \
585
          (((__PLLMUL__) != RCC_CFGR_PLLMULL6_5) ? \
586
              ((__INPUTFREQ__) * ((((__PLLMUL__) & RCC_CFGR_PLLMULL) >> RCC_CFGR_PLLMULL_Pos) + 2U)) :\
587
              (((__INPUTFREQ__) * 13U) / 2U))
588
 
589
#else
590
/**
591
  * @brief  Helper macro to calculate the PLLCLK frequency
592
  * @note ex: @ref __LL_RCC_CALC_PLLCLK_FREQ (HSE_VALUE / (@ref LL_RCC_PLL_GetPrediv () + 1), @ref LL_RCC_PLL_GetMultiplicator ());
593
  * @param  __INPUTFREQ__ PLL Input frequency (based on HSE div Prediv1 or div 2 / HSI div 2)
594
  * @param  __PLLMUL__: This parameter can be one of the following values:
595
  *         @arg @ref LL_RCC_PLL_MUL_2
596
  *         @arg @ref LL_RCC_PLL_MUL_3
597
  *         @arg @ref LL_RCC_PLL_MUL_4
598
  *         @arg @ref LL_RCC_PLL_MUL_5
599
  *         @arg @ref LL_RCC_PLL_MUL_6
600
  *         @arg @ref LL_RCC_PLL_MUL_7
601
  *         @arg @ref LL_RCC_PLL_MUL_8
602
  *         @arg @ref LL_RCC_PLL_MUL_9
603
  *         @arg @ref LL_RCC_PLL_MUL_10
604
  *         @arg @ref LL_RCC_PLL_MUL_11
605
  *         @arg @ref LL_RCC_PLL_MUL_12
606
  *         @arg @ref LL_RCC_PLL_MUL_13
607
  *         @arg @ref LL_RCC_PLL_MUL_14
608
  *         @arg @ref LL_RCC_PLL_MUL_15
609
  *         @arg @ref LL_RCC_PLL_MUL_16
610
  * @retval PLL clock frequency (in Hz)
611
  */
612
#define __LL_RCC_CALC_PLLCLK_FREQ(__INPUTFREQ__, __PLLMUL__) ((__INPUTFREQ__) * (((__PLLMUL__) >> RCC_CFGR_PLLMULL_Pos) + 2U))
613
#endif /* RCC_CFGR_PLLMULL6_5 */
614
 
615
#if defined(RCC_PLLI2S_SUPPORT)
616
/**
617
  * @brief  Helper macro to calculate the PLLI2S frequency
618
  * @note ex: @ref __LL_RCC_CALC_PLLI2SCLK_FREQ (HSE_VALUE, @ref LL_RCC_PLLI2S_GetMultiplicator (), @ref LL_RCC_HSE_GetPrediv2 ());
619
  * @param  __INPUTFREQ__ PLLI2S Input frequency (based on HSE value)
620
  * @param  __PLLI2SMUL__: This parameter can be one of the following values:
621
  *         @arg @ref LL_RCC_PLLI2S_MUL_8
622
  *         @arg @ref LL_RCC_PLLI2S_MUL_9
623
  *         @arg @ref LL_RCC_PLLI2S_MUL_10
624
  *         @arg @ref LL_RCC_PLLI2S_MUL_11
625
  *         @arg @ref LL_RCC_PLLI2S_MUL_12
626
  *         @arg @ref LL_RCC_PLLI2S_MUL_13
627
  *         @arg @ref LL_RCC_PLLI2S_MUL_14
628
  *         @arg @ref LL_RCC_PLLI2S_MUL_16
629
  *         @arg @ref LL_RCC_PLLI2S_MUL_20
630
  * @param  __PLLI2SDIV__: This parameter can be one of the following values:
631
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_1
632
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_2
633
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_3
634
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_4
635
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_5
636
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_6
637
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_7
638
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_8
639
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_9
640
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_10
641
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_11
642
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_12
643
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_13
644
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_14
645
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_15
646
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_16
647
  * @retval PLLI2S clock frequency (in Hz)
648
  */
649
#define __LL_RCC_CALC_PLLI2SCLK_FREQ(__INPUTFREQ__, __PLLI2SMUL__, __PLLI2SDIV__) (((__INPUTFREQ__) * (((__PLLI2SMUL__) >> RCC_CFGR2_PLL3MUL_Pos) + 2U)) / (((__PLLI2SDIV__) >> RCC_CFGR2_PREDIV2_Pos) + 1U))
650
#endif /* RCC_PLLI2S_SUPPORT */
651
 
652
#if defined(RCC_PLL2_SUPPORT)
653
/**
654
  * @brief  Helper macro to calculate the PLL2 frequency
655
  * @note ex: @ref __LL_RCC_CALC_PLL2CLK_FREQ (HSE_VALUE, @ref LL_RCC_PLL2_GetMultiplicator (), @ref LL_RCC_HSE_GetPrediv2 ());
656
  * @param  __INPUTFREQ__ PLL2 Input frequency (based on HSE value)
657
  * @param  __PLL2MUL__: This parameter can be one of the following values:
658
  *         @arg @ref LL_RCC_PLL2_MUL_8
659
  *         @arg @ref LL_RCC_PLL2_MUL_9
660
  *         @arg @ref LL_RCC_PLL2_MUL_10
661
  *         @arg @ref LL_RCC_PLL2_MUL_11
662
  *         @arg @ref LL_RCC_PLL2_MUL_12
663
  *         @arg @ref LL_RCC_PLL2_MUL_13
664
  *         @arg @ref LL_RCC_PLL2_MUL_14
665
  *         @arg @ref LL_RCC_PLL2_MUL_16
666
  *         @arg @ref LL_RCC_PLL2_MUL_20
667
  * @param  __PLL2DIV__: This parameter can be one of the following values:
668
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_1
669
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_2
670
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_3
671
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_4
672
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_5
673
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_6
674
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_7
675
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_8
676
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_9
677
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_10
678
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_11
679
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_12
680
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_13
681
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_14
682
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_15
683
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_16
684
  * @retval PLL2 clock frequency (in Hz)
685
  */
686
#define __LL_RCC_CALC_PLL2CLK_FREQ(__INPUTFREQ__, __PLL2MUL__, __PLL2DIV__) (((__INPUTFREQ__) * (((__PLL2MUL__) >> RCC_CFGR2_PLL2MUL_Pos) + 2U)) / (((__PLL2DIV__) >> RCC_CFGR2_PREDIV2_Pos) + 1U))
687
#endif /* RCC_PLL2_SUPPORT */
688
 
689
/**
690
  * @brief  Helper macro to calculate the HCLK frequency
691
  * @note: __AHBPRESCALER__ be retrieved by @ref LL_RCC_GetAHBPrescaler
692
  *        ex: __LL_RCC_CALC_HCLK_FREQ(LL_RCC_GetAHBPrescaler())
693
  * @param  __SYSCLKFREQ__ SYSCLK frequency (based on HSE/HSI/PLLCLK)
694
  * @param  __AHBPRESCALER__: This parameter can be one of the following values:
695
  *         @arg @ref LL_RCC_SYSCLK_DIV_1
696
  *         @arg @ref LL_RCC_SYSCLK_DIV_2
697
  *         @arg @ref LL_RCC_SYSCLK_DIV_4
698
  *         @arg @ref LL_RCC_SYSCLK_DIV_8
699
  *         @arg @ref LL_RCC_SYSCLK_DIV_16
700
  *         @arg @ref LL_RCC_SYSCLK_DIV_64
701
  *         @arg @ref LL_RCC_SYSCLK_DIV_128
702
  *         @arg @ref LL_RCC_SYSCLK_DIV_256
703
  *         @arg @ref LL_RCC_SYSCLK_DIV_512
704
  * @retval HCLK clock frequency (in Hz)
705
  */
706
#define __LL_RCC_CALC_HCLK_FREQ(__SYSCLKFREQ__, __AHBPRESCALER__) ((__SYSCLKFREQ__) >> AHBPrescTable[((__AHBPRESCALER__) & RCC_CFGR_HPRE) >>  RCC_CFGR_HPRE_Pos])
707
 
708
/**
709
  * @brief  Helper macro to calculate the PCLK1 frequency (ABP1)
710
  * @note: __APB1PRESCALER__ be retrieved by @ref LL_RCC_GetAPB1Prescaler
711
  *        ex: __LL_RCC_CALC_PCLK1_FREQ(LL_RCC_GetAPB1Prescaler())
712
  * @param  __HCLKFREQ__ HCLK frequency
713
  * @param  __APB1PRESCALER__: This parameter can be one of the following values:
714
  *         @arg @ref LL_RCC_APB1_DIV_1
715
  *         @arg @ref LL_RCC_APB1_DIV_2
716
  *         @arg @ref LL_RCC_APB1_DIV_4
717
  *         @arg @ref LL_RCC_APB1_DIV_8
718
  *         @arg @ref LL_RCC_APB1_DIV_16
719
  * @retval PCLK1 clock frequency (in Hz)
720
  */
721
#define __LL_RCC_CALC_PCLK1_FREQ(__HCLKFREQ__, __APB1PRESCALER__) ((__HCLKFREQ__) >> APBPrescTable[(__APB1PRESCALER__) >>  RCC_CFGR_PPRE1_Pos])
722
 
723
/**
724
  * @brief  Helper macro to calculate the PCLK2 frequency (ABP2)
725
  * @note: __APB2PRESCALER__ be retrieved by @ref LL_RCC_GetAPB2Prescaler
726
  *        ex: __LL_RCC_CALC_PCLK2_FREQ(LL_RCC_GetAPB2Prescaler())
727
  * @param  __HCLKFREQ__ HCLK frequency
728
  * @param  __APB2PRESCALER__: This parameter can be one of the following values:
729
  *         @arg @ref LL_RCC_APB2_DIV_1
730
  *         @arg @ref LL_RCC_APB2_DIV_2
731
  *         @arg @ref LL_RCC_APB2_DIV_4
732
  *         @arg @ref LL_RCC_APB2_DIV_8
733
  *         @arg @ref LL_RCC_APB2_DIV_16
734
  * @retval PCLK2 clock frequency (in Hz)
735
  */
736
#define __LL_RCC_CALC_PCLK2_FREQ(__HCLKFREQ__, __APB2PRESCALER__) ((__HCLKFREQ__) >> APBPrescTable[(__APB2PRESCALER__) >>  RCC_CFGR_PPRE2_Pos])
737
 
738
/**
739
  * @}
740
  */
741
 
742
/**
743
  * @}
744
  */
745
 
746
/* Exported functions --------------------------------------------------------*/
747
/** @defgroup RCC_LL_Exported_Functions RCC Exported Functions
748
  * @{
749
  */
750
 
751
/** @defgroup RCC_LL_EF_HSE HSE
752
  * @{
753
  */
754
 
755
/**
756
  * @brief  Enable the Clock Security System.
757
  * @rmtoll CR           CSSON         LL_RCC_HSE_EnableCSS
758
  * @retval None
759
  */
760
__STATIC_INLINE void LL_RCC_HSE_EnableCSS(void)
761
{
762
  SET_BIT(RCC->CR, RCC_CR_CSSON);
763
}
764
 
765
/**
766
  * @brief  Enable HSE external oscillator (HSE Bypass)
767
  * @rmtoll CR           HSEBYP        LL_RCC_HSE_EnableBypass
768
  * @retval None
769
  */
770
__STATIC_INLINE void LL_RCC_HSE_EnableBypass(void)
771
{
772
  SET_BIT(RCC->CR, RCC_CR_HSEBYP);
773
}
774
 
775
/**
776
  * @brief  Disable HSE external oscillator (HSE Bypass)
777
  * @rmtoll CR           HSEBYP        LL_RCC_HSE_DisableBypass
778
  * @retval None
779
  */
780
__STATIC_INLINE void LL_RCC_HSE_DisableBypass(void)
781
{
782
  CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP);
783
}
784
 
785
/**
786
  * @brief  Enable HSE crystal oscillator (HSE ON)
787
  * @rmtoll CR           HSEON         LL_RCC_HSE_Enable
788
  * @retval None
789
  */
790
__STATIC_INLINE void LL_RCC_HSE_Enable(void)
791
{
792
  SET_BIT(RCC->CR, RCC_CR_HSEON);
793
}
794
 
795
/**
796
  * @brief  Disable HSE crystal oscillator (HSE ON)
797
  * @rmtoll CR           HSEON         LL_RCC_HSE_Disable
798
  * @retval None
799
  */
800
__STATIC_INLINE void LL_RCC_HSE_Disable(void)
801
{
802
  CLEAR_BIT(RCC->CR, RCC_CR_HSEON);
803
}
804
 
805
/**
806
  * @brief  Check if HSE oscillator Ready
807
  * @rmtoll CR           HSERDY        LL_RCC_HSE_IsReady
808
  * @retval State of bit (1 or 0).
809
  */
810
__STATIC_INLINE uint32_t LL_RCC_HSE_IsReady(void)
811
{
812
  return (READ_BIT(RCC->CR, RCC_CR_HSERDY) == (RCC_CR_HSERDY));
813
}
814
 
815
#if defined(RCC_CFGR2_PREDIV2)
816
/**
817
  * @brief  Get PREDIV2 division factor
818
  * @rmtoll CFGR2        PREDIV2       LL_RCC_HSE_GetPrediv2
819
  * @retval Returned value can be one of the following values:
820
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_1
821
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_2
822
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_3
823
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_4
824
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_5
825
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_6
826
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_7
827
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_8
828
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_9
829
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_10
830
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_11
831
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_12
832
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_13
833
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_14
834
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_15
835
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_16
836
  */
837
__STATIC_INLINE uint32_t LL_RCC_HSE_GetPrediv2(void)
838
{
839
  return (uint32_t)(READ_BIT(RCC->CFGR2, RCC_CFGR2_PREDIV2));
840
}
841
#endif /* RCC_CFGR2_PREDIV2 */
842
 
843
/**
844
  * @}
845
  */
846
 
847
/** @defgroup RCC_LL_EF_HSI HSI
848
  * @{
849
  */
850
 
851
/**
852
  * @brief  Enable HSI oscillator
853
  * @rmtoll CR           HSION         LL_RCC_HSI_Enable
854
  * @retval None
855
  */
856
__STATIC_INLINE void LL_RCC_HSI_Enable(void)
857
{
858
  SET_BIT(RCC->CR, RCC_CR_HSION);
859
}
860
 
861
/**
862
  * @brief  Disable HSI oscillator
863
  * @rmtoll CR           HSION         LL_RCC_HSI_Disable
864
  * @retval None
865
  */
866
__STATIC_INLINE void LL_RCC_HSI_Disable(void)
867
{
868
  CLEAR_BIT(RCC->CR, RCC_CR_HSION);
869
}
870
 
871
/**
872
  * @brief  Check if HSI clock is ready
873
  * @rmtoll CR           HSIRDY        LL_RCC_HSI_IsReady
874
  * @retval State of bit (1 or 0).
875
  */
876
__STATIC_INLINE uint32_t LL_RCC_HSI_IsReady(void)
877
{
878
  return (READ_BIT(RCC->CR, RCC_CR_HSIRDY) == (RCC_CR_HSIRDY));
879
}
880
 
881
/**
882
  * @brief  Get HSI Calibration value
883
  * @note When HSITRIM is written, HSICAL is updated with the sum of
884
  *       HSITRIM and the factory trim value
885
  * @rmtoll CR        HSICAL        LL_RCC_HSI_GetCalibration
886
  * @retval Between Min_Data = 0x00 and Max_Data = 0xFF
887
  */
888
__STATIC_INLINE uint32_t LL_RCC_HSI_GetCalibration(void)
889
{
890
  return (uint32_t)(READ_BIT(RCC->CR, RCC_CR_HSICAL) >> RCC_CR_HSICAL_Pos);
891
}
892
 
893
/**
894
  * @brief  Set HSI Calibration trimming
895
  * @note user-programmable trimming value that is added to the HSICAL
896
  * @note Default value is 16, which, when added to the HSICAL value,
897
  *       should trim the HSI to 16 MHz +/- 1 %
898
  * @rmtoll CR        HSITRIM       LL_RCC_HSI_SetCalibTrimming
899
  * @param  Value between Min_Data = 0x00 and Max_Data = 0x1F
900
  * @retval None
901
  */
902
__STATIC_INLINE void LL_RCC_HSI_SetCalibTrimming(uint32_t Value)
903
{
904
  MODIFY_REG(RCC->CR, RCC_CR_HSITRIM, Value << RCC_CR_HSITRIM_Pos);
905
}
906
 
907
/**
908
  * @brief  Get HSI Calibration trimming
909
  * @rmtoll CR        HSITRIM       LL_RCC_HSI_GetCalibTrimming
910
  * @retval Between Min_Data = 0x00 and Max_Data = 0x1F
911
  */
912
__STATIC_INLINE uint32_t LL_RCC_HSI_GetCalibTrimming(void)
913
{
914
  return (uint32_t)(READ_BIT(RCC->CR, RCC_CR_HSITRIM) >> RCC_CR_HSITRIM_Pos);
915
}
916
 
917
/**
918
  * @}
919
  */
920
 
921
/** @defgroup RCC_LL_EF_LSE LSE
922
  * @{
923
  */
924
 
925
/**
926
  * @brief  Enable  Low Speed External (LSE) crystal.
927
  * @rmtoll BDCR         LSEON         LL_RCC_LSE_Enable
928
  * @retval None
929
  */
930
__STATIC_INLINE void LL_RCC_LSE_Enable(void)
931
{
932
  SET_BIT(RCC->BDCR, RCC_BDCR_LSEON);
933
}
934
 
935
/**
936
  * @brief  Disable  Low Speed External (LSE) crystal.
937
  * @rmtoll BDCR         LSEON         LL_RCC_LSE_Disable
938
  * @retval None
939
  */
940
__STATIC_INLINE void LL_RCC_LSE_Disable(void)
941
{
942
  CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON);
943
}
944
 
945
/**
946
  * @brief  Enable external clock source (LSE bypass).
947
  * @rmtoll BDCR         LSEBYP        LL_RCC_LSE_EnableBypass
948
  * @retval None
949
  */
950
__STATIC_INLINE void LL_RCC_LSE_EnableBypass(void)
951
{
952
  SET_BIT(RCC->BDCR, RCC_BDCR_LSEBYP);
953
}
954
 
955
/**
956
  * @brief  Disable external clock source (LSE bypass).
957
  * @rmtoll BDCR         LSEBYP        LL_RCC_LSE_DisableBypass
958
  * @retval None
959
  */
960
__STATIC_INLINE void LL_RCC_LSE_DisableBypass(void)
961
{
962
  CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP);
963
}
964
 
965
/**
966
  * @brief  Check if LSE oscillator Ready
967
  * @rmtoll BDCR         LSERDY        LL_RCC_LSE_IsReady
968
  * @retval State of bit (1 or 0).
969
  */
970
__STATIC_INLINE uint32_t LL_RCC_LSE_IsReady(void)
971
{
972
  return (READ_BIT(RCC->BDCR, RCC_BDCR_LSERDY) == (RCC_BDCR_LSERDY));
973
}
974
 
975
/**
976
  * @}
977
  */
978
 
979
/** @defgroup RCC_LL_EF_LSI LSI
980
  * @{
981
  */
982
 
983
/**
984
  * @brief  Enable LSI Oscillator
985
  * @rmtoll CSR          LSION         LL_RCC_LSI_Enable
986
  * @retval None
987
  */
988
__STATIC_INLINE void LL_RCC_LSI_Enable(void)
989
{
990
  SET_BIT(RCC->CSR, RCC_CSR_LSION);
991
}
992
 
993
/**
994
  * @brief  Disable LSI Oscillator
995
  * @rmtoll CSR          LSION         LL_RCC_LSI_Disable
996
  * @retval None
997
  */
998
__STATIC_INLINE void LL_RCC_LSI_Disable(void)
999
{
1000
  CLEAR_BIT(RCC->CSR, RCC_CSR_LSION);
1001
}
1002
 
1003
/**
1004
  * @brief  Check if LSI is Ready
1005
  * @rmtoll CSR          LSIRDY        LL_RCC_LSI_IsReady
1006
  * @retval State of bit (1 or 0).
1007
  */
1008
__STATIC_INLINE uint32_t LL_RCC_LSI_IsReady(void)
1009
{
1010
  return (READ_BIT(RCC->CSR, RCC_CSR_LSIRDY) == (RCC_CSR_LSIRDY));
1011
}
1012
 
1013
/**
1014
  * @}
1015
  */
1016
 
1017
/** @defgroup RCC_LL_EF_System System
1018
  * @{
1019
  */
1020
 
1021
/**
1022
  * @brief  Configure the system clock source
1023
  * @rmtoll CFGR         SW            LL_RCC_SetSysClkSource
1024
  * @param  Source This parameter can be one of the following values:
1025
  *         @arg @ref LL_RCC_SYS_CLKSOURCE_HSI
1026
  *         @arg @ref LL_RCC_SYS_CLKSOURCE_HSE
1027
  *         @arg @ref LL_RCC_SYS_CLKSOURCE_PLL
1028
  * @retval None
1029
  */
1030
__STATIC_INLINE void LL_RCC_SetSysClkSource(uint32_t Source)
1031
{
1032
  MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, Source);
1033
}
1034
 
1035
/**
1036
  * @brief  Get the system clock source
1037
  * @rmtoll CFGR         SWS           LL_RCC_GetSysClkSource
1038
  * @retval Returned value can be one of the following values:
1039
  *         @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_HSI
1040
  *         @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_HSE
1041
  *         @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_PLL
1042
  */
1043
__STATIC_INLINE uint32_t LL_RCC_GetSysClkSource(void)
1044
{
1045
  return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_SWS));
1046
}
1047
 
1048
/**
1049
  * @brief  Set AHB prescaler
1050
  * @rmtoll CFGR         HPRE          LL_RCC_SetAHBPrescaler
1051
  * @param  Prescaler This parameter can be one of the following values:
1052
  *         @arg @ref LL_RCC_SYSCLK_DIV_1
1053
  *         @arg @ref LL_RCC_SYSCLK_DIV_2
1054
  *         @arg @ref LL_RCC_SYSCLK_DIV_4
1055
  *         @arg @ref LL_RCC_SYSCLK_DIV_8
1056
  *         @arg @ref LL_RCC_SYSCLK_DIV_16
1057
  *         @arg @ref LL_RCC_SYSCLK_DIV_64
1058
  *         @arg @ref LL_RCC_SYSCLK_DIV_128
1059
  *         @arg @ref LL_RCC_SYSCLK_DIV_256
1060
  *         @arg @ref LL_RCC_SYSCLK_DIV_512
1061
  * @retval None
1062
  */
1063
__STATIC_INLINE void LL_RCC_SetAHBPrescaler(uint32_t Prescaler)
1064
{
1065
  MODIFY_REG(RCC->CFGR, RCC_CFGR_HPRE, Prescaler);
1066
}
1067
 
1068
/**
1069
  * @brief  Set APB1 prescaler
1070
  * @rmtoll CFGR         PPRE1         LL_RCC_SetAPB1Prescaler
1071
  * @param  Prescaler This parameter can be one of the following values:
1072
  *         @arg @ref LL_RCC_APB1_DIV_1
1073
  *         @arg @ref LL_RCC_APB1_DIV_2
1074
  *         @arg @ref LL_RCC_APB1_DIV_4
1075
  *         @arg @ref LL_RCC_APB1_DIV_8
1076
  *         @arg @ref LL_RCC_APB1_DIV_16
1077
  * @retval None
1078
  */
1079
__STATIC_INLINE void LL_RCC_SetAPB1Prescaler(uint32_t Prescaler)
1080
{
1081
  MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE1, Prescaler);
1082
}
1083
 
1084
/**
1085
  * @brief  Set APB2 prescaler
1086
  * @rmtoll CFGR         PPRE2         LL_RCC_SetAPB2Prescaler
1087
  * @param  Prescaler This parameter can be one of the following values:
1088
  *         @arg @ref LL_RCC_APB2_DIV_1
1089
  *         @arg @ref LL_RCC_APB2_DIV_2
1090
  *         @arg @ref LL_RCC_APB2_DIV_4
1091
  *         @arg @ref LL_RCC_APB2_DIV_8
1092
  *         @arg @ref LL_RCC_APB2_DIV_16
1093
  * @retval None
1094
  */
1095
__STATIC_INLINE void LL_RCC_SetAPB2Prescaler(uint32_t Prescaler)
1096
{
1097
  MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE2, Prescaler);
1098
}
1099
 
1100
/**
1101
  * @brief  Get AHB prescaler
1102
  * @rmtoll CFGR         HPRE          LL_RCC_GetAHBPrescaler
1103
  * @retval Returned value can be one of the following values:
1104
  *         @arg @ref LL_RCC_SYSCLK_DIV_1
1105
  *         @arg @ref LL_RCC_SYSCLK_DIV_2
1106
  *         @arg @ref LL_RCC_SYSCLK_DIV_4
1107
  *         @arg @ref LL_RCC_SYSCLK_DIV_8
1108
  *         @arg @ref LL_RCC_SYSCLK_DIV_16
1109
  *         @arg @ref LL_RCC_SYSCLK_DIV_64
1110
  *         @arg @ref LL_RCC_SYSCLK_DIV_128
1111
  *         @arg @ref LL_RCC_SYSCLK_DIV_256
1112
  *         @arg @ref LL_RCC_SYSCLK_DIV_512
1113
  */
1114
__STATIC_INLINE uint32_t LL_RCC_GetAHBPrescaler(void)
1115
{
1116
  return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_HPRE));
1117
}
1118
 
1119
/**
1120
  * @brief  Get APB1 prescaler
1121
  * @rmtoll CFGR         PPRE1         LL_RCC_GetAPB1Prescaler
1122
  * @retval Returned value can be one of the following values:
1123
  *         @arg @ref LL_RCC_APB1_DIV_1
1124
  *         @arg @ref LL_RCC_APB1_DIV_2
1125
  *         @arg @ref LL_RCC_APB1_DIV_4
1126
  *         @arg @ref LL_RCC_APB1_DIV_8
1127
  *         @arg @ref LL_RCC_APB1_DIV_16
1128
  */
1129
__STATIC_INLINE uint32_t LL_RCC_GetAPB1Prescaler(void)
1130
{
1131
  return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PPRE1));
1132
}
1133
 
1134
/**
1135
  * @brief  Get APB2 prescaler
1136
  * @rmtoll CFGR         PPRE2         LL_RCC_GetAPB2Prescaler
1137
  * @retval Returned value can be one of the following values:
1138
  *         @arg @ref LL_RCC_APB2_DIV_1
1139
  *         @arg @ref LL_RCC_APB2_DIV_2
1140
  *         @arg @ref LL_RCC_APB2_DIV_4
1141
  *         @arg @ref LL_RCC_APB2_DIV_8
1142
  *         @arg @ref LL_RCC_APB2_DIV_16
1143
  */
1144
__STATIC_INLINE uint32_t LL_RCC_GetAPB2Prescaler(void)
1145
{
1146
  return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PPRE2));
1147
}
1148
 
1149
/**
1150
  * @}
1151
  */
1152
 
1153
/** @defgroup RCC_LL_EF_MCO MCO
1154
  * @{
1155
  */
1156
 
1157
/**
1158
  * @brief  Configure MCOx
1159
  * @rmtoll CFGR         MCO           LL_RCC_ConfigMCO
1160
  * @param  MCOxSource This parameter can be one of the following values:
1161
  *         @arg @ref LL_RCC_MCO1SOURCE_NOCLOCK
1162
  *         @arg @ref LL_RCC_MCO1SOURCE_SYSCLK
1163
  *         @arg @ref LL_RCC_MCO1SOURCE_HSI
1164
  *         @arg @ref LL_RCC_MCO1SOURCE_HSE
1165
  *         @arg @ref LL_RCC_MCO1SOURCE_PLLCLK_DIV_2
1166
  *         @arg @ref LL_RCC_MCO1SOURCE_PLL2CLK (*)
1167
  *         @arg @ref LL_RCC_MCO1SOURCE_PLLI2SCLK_DIV2 (*)
1168
  *         @arg @ref LL_RCC_MCO1SOURCE_EXT_HSE (*)
1169
  *         @arg @ref LL_RCC_MCO1SOURCE_PLLI2SCLK (*)
1170
  *
1171
  *         (*) value not defined in all devices
1172
  * @retval None
1173
  */
1174
__STATIC_INLINE void LL_RCC_ConfigMCO(uint32_t MCOxSource)
1175
{
1176
  MODIFY_REG(RCC->CFGR, RCC_CFGR_MCOSEL, MCOxSource);
1177
}
1178
 
1179
/**
1180
  * @}
1181
  */
1182
 
1183
/** @defgroup RCC_LL_EF_Peripheral_Clock_Source Peripheral Clock Source
1184
  * @{
1185
  */
1186
 
1187
#if defined(RCC_CFGR2_I2S2SRC)
1188
/**
1189
  * @brief  Configure I2Sx clock source
1190
  * @rmtoll CFGR2        I2S2SRC       LL_RCC_SetI2SClockSource\n
1191
  *         CFGR2        I2S3SRC       LL_RCC_SetI2SClockSource
1192
  * @param  I2SxSource This parameter can be one of the following values:
1193
  *         @arg @ref LL_RCC_I2S2_CLKSOURCE_SYSCLK
1194
  *         @arg @ref LL_RCC_I2S2_CLKSOURCE_PLLI2S_VCO
1195
  *         @arg @ref LL_RCC_I2S3_CLKSOURCE_SYSCLK
1196
  *         @arg @ref LL_RCC_I2S3_CLKSOURCE_PLLI2S_VCO
1197
  * @retval None
1198
  */
1199
__STATIC_INLINE void LL_RCC_SetI2SClockSource(uint32_t I2SxSource)
1200
{
1201
  MODIFY_REG(RCC->CFGR2, (I2SxSource & 0xFFFF0000U), (I2SxSource << 16U));
1202
}
1203
#endif /* RCC_CFGR2_I2S2SRC */
1204
 
1205
#if defined(USB_OTG_FS) || defined(USB)
1206
/**
1207
  * @brief  Configure USB clock source
1208
  * @rmtoll CFGR         OTGFSPRE      LL_RCC_SetUSBClockSource\n
1209
  *         CFGR         USBPRE        LL_RCC_SetUSBClockSource
1210
  * @param  USBxSource This parameter can be one of the following values:
1211
  *         @arg @ref LL_RCC_USB_CLKSOURCE_PLL (*)
1212
  *         @arg @ref LL_RCC_USB_CLKSOURCE_PLL_DIV_1_5 (*)
1213
  *         @arg @ref LL_RCC_USB_CLKSOURCE_PLL_DIV_2 (*)
1214
  *         @arg @ref LL_RCC_USB_CLKSOURCE_PLL_DIV_3 (*)
1215
  *
1216
  *         (*) value not defined in all devices
1217
  * @retval None
1218
  */
1219
__STATIC_INLINE void LL_RCC_SetUSBClockSource(uint32_t USBxSource)
1220
{
1221
#if defined(RCC_CFGR_USBPRE)
1222
  MODIFY_REG(RCC->CFGR, RCC_CFGR_USBPRE, USBxSource);
1223
#else /*RCC_CFGR_OTGFSPRE*/
1224
  MODIFY_REG(RCC->CFGR, RCC_CFGR_OTGFSPRE, USBxSource);
1225
#endif /*RCC_CFGR_USBPRE*/
1226
}
1227
#endif /* USB_OTG_FS || USB */
1228
 
1229
/**
1230
  * @brief  Configure ADC clock source
1231
  * @rmtoll CFGR         ADCPRE        LL_RCC_SetADCClockSource
1232
  * @param  ADCxSource This parameter can be one of the following values:
1233
  *         @arg @ref LL_RCC_ADC_CLKSRC_PCLK2_DIV_2
1234
  *         @arg @ref LL_RCC_ADC_CLKSRC_PCLK2_DIV_4
1235
  *         @arg @ref LL_RCC_ADC_CLKSRC_PCLK2_DIV_6
1236
  *         @arg @ref LL_RCC_ADC_CLKSRC_PCLK2_DIV_8
1237
  * @retval None
1238
  */
1239
__STATIC_INLINE void LL_RCC_SetADCClockSource(uint32_t ADCxSource)
1240
{
1241
  MODIFY_REG(RCC->CFGR, RCC_CFGR_ADCPRE, ADCxSource);
1242
}
1243
 
1244
#if defined(RCC_CFGR2_I2S2SRC)
1245
/**
1246
  * @brief  Get I2Sx clock source
1247
  * @rmtoll CFGR2        I2S2SRC       LL_RCC_GetI2SClockSource\n
1248
  *         CFGR2        I2S3SRC       LL_RCC_GetI2SClockSource
1249
  * @param  I2Sx This parameter can be one of the following values:
1250
  *         @arg @ref LL_RCC_I2S2_CLKSOURCE
1251
  *         @arg @ref LL_RCC_I2S3_CLKSOURCE
1252
  * @retval Returned value can be one of the following values:
1253
  *         @arg @ref LL_RCC_I2S2_CLKSOURCE_SYSCLK
1254
  *         @arg @ref LL_RCC_I2S2_CLKSOURCE_PLLI2S_VCO
1255
  *         @arg @ref LL_RCC_I2S3_CLKSOURCE_SYSCLK
1256
  *         @arg @ref LL_RCC_I2S3_CLKSOURCE_PLLI2S_VCO
1257
  */
1258
__STATIC_INLINE uint32_t LL_RCC_GetI2SClockSource(uint32_t I2Sx)
1259
{
1260
  return (uint32_t)(READ_BIT(RCC->CFGR2, I2Sx) >> 16U | I2Sx);
1261
}
1262
#endif /* RCC_CFGR2_I2S2SRC */
1263
 
1264
#if defined(USB_OTG_FS) || defined(USB)
1265
/**
1266
  * @brief  Get USBx clock source
1267
  * @rmtoll CFGR         OTGFSPRE      LL_RCC_GetUSBClockSource\n
1268
  *         CFGR         USBPRE        LL_RCC_GetUSBClockSource
1269
  * @param  USBx This parameter can be one of the following values:
1270
  *         @arg @ref LL_RCC_USB_CLKSOURCE
1271
  * @retval Returned value can be one of the following values:
1272
  *         @arg @ref LL_RCC_USB_CLKSOURCE_PLL (*)
1273
  *         @arg @ref LL_RCC_USB_CLKSOURCE_PLL_DIV_1_5 (*)
1274
  *         @arg @ref LL_RCC_USB_CLKSOURCE_PLL_DIV_2 (*)
1275
  *         @arg @ref LL_RCC_USB_CLKSOURCE_PLL_DIV_3 (*)
1276
  *
1277
  *         (*) value not defined in all devices
1278
  */
1279
__STATIC_INLINE uint32_t LL_RCC_GetUSBClockSource(uint32_t USBx)
1280
{
1281
  return (uint32_t)(READ_BIT(RCC->CFGR, USBx));
1282
}
1283
#endif /* USB_OTG_FS || USB */
1284
 
1285
/**
1286
  * @brief  Get ADCx clock source
1287
  * @rmtoll CFGR         ADCPRE        LL_RCC_GetADCClockSource
1288
  * @param  ADCx This parameter can be one of the following values:
1289
  *         @arg @ref LL_RCC_ADC_CLKSOURCE
1290
  * @retval Returned value can be one of the following values:
1291
  *         @arg @ref LL_RCC_ADC_CLKSRC_PCLK2_DIV_2
1292
  *         @arg @ref LL_RCC_ADC_CLKSRC_PCLK2_DIV_4
1293
  *         @arg @ref LL_RCC_ADC_CLKSRC_PCLK2_DIV_6
1294
  *         @arg @ref LL_RCC_ADC_CLKSRC_PCLK2_DIV_8
1295
  */
1296
__STATIC_INLINE uint32_t LL_RCC_GetADCClockSource(uint32_t ADCx)
1297
{
1298
  return (uint32_t)(READ_BIT(RCC->CFGR, ADCx));
1299
}
1300
 
1301
/**
1302
  * @}
1303
  */
1304
 
1305
/** @defgroup RCC_LL_EF_RTC RTC
1306
  * @{
1307
  */
1308
 
1309
/**
1310
  * @brief  Set RTC Clock Source
1311
  * @note Once the RTC clock source has been selected, it cannot be changed any more unless
1312
  *       the Backup domain is reset. The BDRST bit can be used to reset them.
1313
  * @rmtoll BDCR         RTCSEL        LL_RCC_SetRTCClockSource
1314
  * @param  Source This parameter can be one of the following values:
1315
  *         @arg @ref LL_RCC_RTC_CLKSOURCE_NONE
1316
  *         @arg @ref LL_RCC_RTC_CLKSOURCE_LSE
1317
  *         @arg @ref LL_RCC_RTC_CLKSOURCE_LSI
1318
  *         @arg @ref LL_RCC_RTC_CLKSOURCE_HSE_DIV128
1319
  * @retval None
1320
  */
1321
__STATIC_INLINE void LL_RCC_SetRTCClockSource(uint32_t Source)
1322
{
1323
  MODIFY_REG(RCC->BDCR, RCC_BDCR_RTCSEL, Source);
1324
}
1325
 
1326
/**
1327
  * @brief  Get RTC Clock Source
1328
  * @rmtoll BDCR         RTCSEL        LL_RCC_GetRTCClockSource
1329
  * @retval Returned value can be one of the following values:
1330
  *         @arg @ref LL_RCC_RTC_CLKSOURCE_NONE
1331
  *         @arg @ref LL_RCC_RTC_CLKSOURCE_LSE
1332
  *         @arg @ref LL_RCC_RTC_CLKSOURCE_LSI
1333
  *         @arg @ref LL_RCC_RTC_CLKSOURCE_HSE_DIV128
1334
  */
1335
__STATIC_INLINE uint32_t LL_RCC_GetRTCClockSource(void)
1336
{
1337
  return (uint32_t)(READ_BIT(RCC->BDCR, RCC_BDCR_RTCSEL));
1338
}
1339
 
1340
/**
1341
  * @brief  Enable RTC
1342
  * @rmtoll BDCR         RTCEN         LL_RCC_EnableRTC
1343
  * @retval None
1344
  */
1345
__STATIC_INLINE void LL_RCC_EnableRTC(void)
1346
{
1347
  SET_BIT(RCC->BDCR, RCC_BDCR_RTCEN);
1348
}
1349
 
1350
/**
1351
  * @brief  Disable RTC
1352
  * @rmtoll BDCR         RTCEN         LL_RCC_DisableRTC
1353
  * @retval None
1354
  */
1355
__STATIC_INLINE void LL_RCC_DisableRTC(void)
1356
{
1357
  CLEAR_BIT(RCC->BDCR, RCC_BDCR_RTCEN);
1358
}
1359
 
1360
/**
1361
  * @brief  Check if RTC has been enabled or not
1362
  * @rmtoll BDCR         RTCEN         LL_RCC_IsEnabledRTC
1363
  * @retval State of bit (1 or 0).
1364
  */
1365
__STATIC_INLINE uint32_t LL_RCC_IsEnabledRTC(void)
1366
{
1367
  return (READ_BIT(RCC->BDCR, RCC_BDCR_RTCEN) == (RCC_BDCR_RTCEN));
1368
}
1369
 
1370
/**
1371
  * @brief  Force the Backup domain reset
1372
  * @rmtoll BDCR         BDRST         LL_RCC_ForceBackupDomainReset
1373
  * @retval None
1374
  */
1375
__STATIC_INLINE void LL_RCC_ForceBackupDomainReset(void)
1376
{
1377
  SET_BIT(RCC->BDCR, RCC_BDCR_BDRST);
1378
}
1379
 
1380
/**
1381
  * @brief  Release the Backup domain reset
1382
  * @rmtoll BDCR         BDRST         LL_RCC_ReleaseBackupDomainReset
1383
  * @retval None
1384
  */
1385
__STATIC_INLINE void LL_RCC_ReleaseBackupDomainReset(void)
1386
{
1387
  CLEAR_BIT(RCC->BDCR, RCC_BDCR_BDRST);
1388
}
1389
 
1390
/**
1391
  * @}
1392
  */
1393
 
1394
/** @defgroup RCC_LL_EF_PLL PLL
1395
  * @{
1396
  */
1397
 
1398
/**
1399
  * @brief  Enable PLL
1400
  * @rmtoll CR           PLLON         LL_RCC_PLL_Enable
1401
  * @retval None
1402
  */
1403
__STATIC_INLINE void LL_RCC_PLL_Enable(void)
1404
{
1405
  SET_BIT(RCC->CR, RCC_CR_PLLON);
1406
}
1407
 
1408
/**
1409
  * @brief  Disable PLL
1410
  * @note Cannot be disabled if the PLL clock is used as the system clock
1411
  * @rmtoll CR           PLLON         LL_RCC_PLL_Disable
1412
  * @retval None
1413
  */
1414
__STATIC_INLINE void LL_RCC_PLL_Disable(void)
1415
{
1416
  CLEAR_BIT(RCC->CR, RCC_CR_PLLON);
1417
}
1418
 
1419
/**
1420
  * @brief  Check if PLL Ready
1421
  * @rmtoll CR           PLLRDY        LL_RCC_PLL_IsReady
1422
  * @retval State of bit (1 or 0).
1423
  */
1424
__STATIC_INLINE uint32_t LL_RCC_PLL_IsReady(void)
1425
{
1426
  return (READ_BIT(RCC->CR, RCC_CR_PLLRDY) == (RCC_CR_PLLRDY));
1427
}
1428
 
1429
/**
1430
  * @brief  Configure PLL used for SYSCLK Domain
1431
  * @rmtoll CFGR         PLLSRC        LL_RCC_PLL_ConfigDomain_SYS\n
1432
  *         CFGR         PLLXTPRE      LL_RCC_PLL_ConfigDomain_SYS\n
1433
  *         CFGR         PLLMULL       LL_RCC_PLL_ConfigDomain_SYS\n
1434
  *         CFGR2        PREDIV1       LL_RCC_PLL_ConfigDomain_SYS\n
1435
  *         CFGR2        PREDIV1SRC    LL_RCC_PLL_ConfigDomain_SYS
1436
  * @param  Source This parameter can be one of the following values:
1437
  *         @arg @ref LL_RCC_PLLSOURCE_HSI_DIV_2
1438
  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_1
1439
  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_2 (*)
1440
  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_3 (*)
1441
  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_4 (*)
1442
  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_5 (*)
1443
  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_6 (*)
1444
  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_7 (*)
1445
  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_8 (*)
1446
  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_9 (*)
1447
  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_10 (*)
1448
  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_11 (*)
1449
  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_12 (*)
1450
  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_13 (*)
1451
  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_14 (*)
1452
  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_15 (*)
1453
  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_16 (*)
1454
  *         @arg @ref LL_RCC_PLLSOURCE_PLL2_DIV_1 (*)
1455
  *         @arg @ref LL_RCC_PLLSOURCE_PLL2_DIV_2 (*)
1456
  *         @arg @ref LL_RCC_PLLSOURCE_PLL2_DIV_3 (*)
1457
  *         @arg @ref LL_RCC_PLLSOURCE_PLL2_DIV_4 (*)
1458
  *         @arg @ref LL_RCC_PLLSOURCE_PLL2_DIV_5 (*)
1459
  *         @arg @ref LL_RCC_PLLSOURCE_PLL2_DIV_6 (*)
1460
  *         @arg @ref LL_RCC_PLLSOURCE_PLL2_DIV_7 (*)
1461
  *         @arg @ref LL_RCC_PLLSOURCE_PLL2_DIV_8 (*)
1462
  *         @arg @ref LL_RCC_PLLSOURCE_PLL2_DIV_9 (*)
1463
  *         @arg @ref LL_RCC_PLLSOURCE_PLL2_DIV_10 (*)
1464
  *         @arg @ref LL_RCC_PLLSOURCE_PLL2_DIV_11 (*)
1465
  *         @arg @ref LL_RCC_PLLSOURCE_PLL2_DIV_12 (*)
1466
  *         @arg @ref LL_RCC_PLLSOURCE_PLL2_DIV_13 (*)
1467
  *         @arg @ref LL_RCC_PLLSOURCE_PLL2_DIV_14 (*)
1468
  *         @arg @ref LL_RCC_PLLSOURCE_PLL2_DIV_15 (*)
1469
  *         @arg @ref LL_RCC_PLLSOURCE_PLL2_DIV_16 (*)
1470
  *
1471
  *         (*) value not defined in all devices
1472
  * @param  PLLMul This parameter can be one of the following values:
1473
  *         @arg @ref LL_RCC_PLL_MUL_2 (*)
1474
  *         @arg @ref LL_RCC_PLL_MUL_3 (*)
1475
  *         @arg @ref LL_RCC_PLL_MUL_4
1476
  *         @arg @ref LL_RCC_PLL_MUL_5
1477
  *         @arg @ref LL_RCC_PLL_MUL_6
1478
  *         @arg @ref LL_RCC_PLL_MUL_7
1479
  *         @arg @ref LL_RCC_PLL_MUL_8
1480
  *         @arg @ref LL_RCC_PLL_MUL_9
1481
  *         @arg @ref LL_RCC_PLL_MUL_6_5 (*)
1482
  *         @arg @ref LL_RCC_PLL_MUL_10 (*)
1483
  *         @arg @ref LL_RCC_PLL_MUL_11 (*)
1484
  *         @arg @ref LL_RCC_PLL_MUL_12 (*)
1485
  *         @arg @ref LL_RCC_PLL_MUL_13 (*)
1486
  *         @arg @ref LL_RCC_PLL_MUL_14 (*)
1487
  *         @arg @ref LL_RCC_PLL_MUL_15 (*)
1488
  *         @arg @ref LL_RCC_PLL_MUL_16 (*)
1489
  *
1490
  *         (*) value not defined in all devices
1491
  * @retval None
1492
  */
1493
__STATIC_INLINE void LL_RCC_PLL_ConfigDomain_SYS(uint32_t Source, uint32_t PLLMul)
1494
{
1495
  MODIFY_REG(RCC->CFGR, RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLMULL,
1496
             (Source & (RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE)) | PLLMul);
1497
#if defined(RCC_CFGR2_PREDIV1)
1498
#if defined(RCC_CFGR2_PREDIV1SRC)
1499
  MODIFY_REG(RCC->CFGR2, (RCC_CFGR2_PREDIV1 | RCC_CFGR2_PREDIV1SRC),
1500
             (Source & RCC_CFGR2_PREDIV1) | ((Source & (RCC_CFGR2_PREDIV1SRC << 4U)) >> 4U));
1501
#else
1502
  MODIFY_REG(RCC->CFGR2, RCC_CFGR2_PREDIV1, (Source & RCC_CFGR2_PREDIV1));
1503
#endif /*RCC_CFGR2_PREDIV1SRC*/
1504
#endif /*RCC_CFGR2_PREDIV1*/
1505
}
1506
 
1507
/**
1508
  * @brief  Configure PLL clock source
1509
  * @rmtoll CFGR      PLLSRC        LL_RCC_PLL_SetMainSource\n
1510
  *         CFGR2     PREDIV1SRC    LL_RCC_PLL_SetMainSource
1511
  * @param PLLSource This parameter can be one of the following values:
1512
  *         @arg @ref LL_RCC_PLLSOURCE_HSI_DIV_2
1513
  *         @arg @ref LL_RCC_PLLSOURCE_HSE
1514
  *         @arg @ref LL_RCC_PLLSOURCE_PLL2 (*)
1515
  * @retval None
1516
  */
1517
__STATIC_INLINE void LL_RCC_PLL_SetMainSource(uint32_t PLLSource)
1518
{
1519
#if defined(RCC_CFGR2_PREDIV1SRC)
1520
  MODIFY_REG(RCC->CFGR2, RCC_CFGR2_PREDIV1SRC, ((PLLSource & (RCC_CFGR2_PREDIV1SRC << 4U)) >> 4U));
1521
#endif /* RCC_CFGR2_PREDIV1SRC */
1522
  MODIFY_REG(RCC->CFGR, RCC_CFGR_PLLSRC, PLLSource);
1523
}
1524
 
1525
/**
1526
  * @brief  Get the oscillator used as PLL clock source.
1527
  * @rmtoll CFGR         PLLSRC        LL_RCC_PLL_GetMainSource\n
1528
  *         CFGR2        PREDIV1SRC    LL_RCC_PLL_GetMainSource
1529
  * @retval Returned value can be one of the following values:
1530
  *         @arg @ref LL_RCC_PLLSOURCE_HSI_DIV_2
1531
  *         @arg @ref LL_RCC_PLLSOURCE_HSE
1532
  *         @arg @ref LL_RCC_PLLSOURCE_PLL2 (*)
1533
  *
1534
  *         (*) value not defined in all devices
1535
  */
1536
__STATIC_INLINE uint32_t LL_RCC_PLL_GetMainSource(void)
1537
{
1538
#if defined(RCC_CFGR2_PREDIV1SRC)
1539
  register uint32_t pllsrc = READ_BIT(RCC->CFGR, RCC_CFGR_PLLSRC);
1540
  register uint32_t predivsrc = (uint32_t)(READ_BIT(RCC->CFGR2, RCC_CFGR2_PREDIV1SRC) << 4U);
1541
  return (uint32_t)(pllsrc | predivsrc);
1542
#else
1543
  return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLSRC));
1544
#endif /*RCC_CFGR2_PREDIV1SRC*/
1545
}
1546
 
1547
/**
1548
  * @brief  Get PLL multiplication Factor
1549
  * @rmtoll CFGR         PLLMULL       LL_RCC_PLL_GetMultiplicator
1550
  * @retval Returned value can be one of the following values:
1551
  *         @arg @ref LL_RCC_PLL_MUL_2 (*)
1552
  *         @arg @ref LL_RCC_PLL_MUL_3 (*)
1553
  *         @arg @ref LL_RCC_PLL_MUL_4
1554
  *         @arg @ref LL_RCC_PLL_MUL_5
1555
  *         @arg @ref LL_RCC_PLL_MUL_6
1556
  *         @arg @ref LL_RCC_PLL_MUL_7
1557
  *         @arg @ref LL_RCC_PLL_MUL_8
1558
  *         @arg @ref LL_RCC_PLL_MUL_9
1559
  *         @arg @ref LL_RCC_PLL_MUL_6_5 (*)
1560
  *         @arg @ref LL_RCC_PLL_MUL_10 (*)
1561
  *         @arg @ref LL_RCC_PLL_MUL_11 (*)
1562
  *         @arg @ref LL_RCC_PLL_MUL_12 (*)
1563
  *         @arg @ref LL_RCC_PLL_MUL_13 (*)
1564
  *         @arg @ref LL_RCC_PLL_MUL_14 (*)
1565
  *         @arg @ref LL_RCC_PLL_MUL_15 (*)
1566
  *         @arg @ref LL_RCC_PLL_MUL_16 (*)
1567
  *
1568
  *         (*) value not defined in all devices
1569
  */
1570
__STATIC_INLINE uint32_t LL_RCC_PLL_GetMultiplicator(void)
1571
{
1572
  return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLMULL));
1573
}
1574
 
1575
/**
1576
  * @brief  Get PREDIV1 division factor for the main PLL
1577
  * @note They can be written only when the PLL is disabled
1578
  * @rmtoll CFGR2        PREDIV1       LL_RCC_PLL_GetPrediv\n
1579
  *         CFGR2        PLLXTPRE      LL_RCC_PLL_GetPrediv
1580
  * @retval Returned value can be one of the following values:
1581
  *         @arg @ref LL_RCC_PREDIV_DIV_1
1582
  *         @arg @ref LL_RCC_PREDIV_DIV_2
1583
  *         @arg @ref LL_RCC_PREDIV_DIV_3 (*)
1584
  *         @arg @ref LL_RCC_PREDIV_DIV_4 (*)
1585
  *         @arg @ref LL_RCC_PREDIV_DIV_5 (*)
1586
  *         @arg @ref LL_RCC_PREDIV_DIV_6 (*)
1587
  *         @arg @ref LL_RCC_PREDIV_DIV_7 (*)
1588
  *         @arg @ref LL_RCC_PREDIV_DIV_8 (*)
1589
  *         @arg @ref LL_RCC_PREDIV_DIV_9 (*)
1590
  *         @arg @ref LL_RCC_PREDIV_DIV_10 (*)
1591
  *         @arg @ref LL_RCC_PREDIV_DIV_11 (*)
1592
  *         @arg @ref LL_RCC_PREDIV_DIV_12 (*)
1593
  *         @arg @ref LL_RCC_PREDIV_DIV_13 (*)
1594
  *         @arg @ref LL_RCC_PREDIV_DIV_14 (*)
1595
  *         @arg @ref LL_RCC_PREDIV_DIV_15 (*)
1596
  *         @arg @ref LL_RCC_PREDIV_DIV_16 (*)
1597
  *
1598
  *         (*) value not defined in all devices
1599
  */
1600
__STATIC_INLINE uint32_t LL_RCC_PLL_GetPrediv(void)
1601
{
1602
#if defined(RCC_CFGR2_PREDIV1)
1603
  return (uint32_t)(READ_BIT(RCC->CFGR2, RCC_CFGR2_PREDIV1));
1604
#else
1605
  return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLXTPRE) >> RCC_CFGR_PLLXTPRE_Pos);
1606
#endif /*RCC_CFGR2_PREDIV1*/
1607
}
1608
 
1609
/**
1610
  * @}
1611
  */
1612
 
1613
#if defined(RCC_PLLI2S_SUPPORT)
1614
/** @defgroup RCC_LL_EF_PLLI2S PLLI2S
1615
  * @{
1616
  */
1617
 
1618
/**
1619
  * @brief  Enable PLLI2S
1620
  * @rmtoll CR           PLL3ON        LL_RCC_PLLI2S_Enable
1621
  * @retval None
1622
  */
1623
__STATIC_INLINE void LL_RCC_PLLI2S_Enable(void)
1624
{
1625
  SET_BIT(RCC->CR, RCC_CR_PLL3ON);
1626
}
1627
 
1628
/**
1629
  * @brief  Disable PLLI2S
1630
  * @rmtoll CR           PLL3ON        LL_RCC_PLLI2S_Disable
1631
  * @retval None
1632
  */
1633
__STATIC_INLINE void LL_RCC_PLLI2S_Disable(void)
1634
{
1635
  CLEAR_BIT(RCC->CR, RCC_CR_PLL3ON);
1636
}
1637
 
1638
/**
1639
  * @brief  Check if PLLI2S Ready
1640
  * @rmtoll CR           PLL3RDY       LL_RCC_PLLI2S_IsReady
1641
  * @retval State of bit (1 or 0).
1642
  */
1643
__STATIC_INLINE uint32_t LL_RCC_PLLI2S_IsReady(void)
1644
{
1645
  return (READ_BIT(RCC->CR, RCC_CR_PLL3RDY) == (RCC_CR_PLL3RDY));
1646
}
1647
 
1648
/**
1649
  * @brief  Configure PLLI2S used for I2S Domain
1650
  * @rmtoll CFGR2        PREDIV2       LL_RCC_PLL_ConfigDomain_PLLI2S\n
1651
  *         CFGR2        PLL3MUL       LL_RCC_PLL_ConfigDomain_PLLI2S
1652
  * @param  Divider This parameter can be one of the following values:
1653
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_1
1654
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_2
1655
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_3
1656
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_4
1657
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_5
1658
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_6
1659
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_7
1660
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_8
1661
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_9
1662
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_10
1663
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_11
1664
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_12
1665
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_13
1666
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_14
1667
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_15
1668
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_16
1669
  * @param  Multiplicator This parameter can be one of the following values:
1670
  *         @arg @ref LL_RCC_PLLI2S_MUL_8
1671
  *         @arg @ref LL_RCC_PLLI2S_MUL_9
1672
  *         @arg @ref LL_RCC_PLLI2S_MUL_10
1673
  *         @arg @ref LL_RCC_PLLI2S_MUL_11
1674
  *         @arg @ref LL_RCC_PLLI2S_MUL_12
1675
  *         @arg @ref LL_RCC_PLLI2S_MUL_13
1676
  *         @arg @ref LL_RCC_PLLI2S_MUL_14
1677
  *         @arg @ref LL_RCC_PLLI2S_MUL_16
1678
  *         @arg @ref LL_RCC_PLLI2S_MUL_20
1679
  * @retval None
1680
  */
1681
__STATIC_INLINE void LL_RCC_PLL_ConfigDomain_PLLI2S(uint32_t Divider, uint32_t Multiplicator)
1682
{
1683
  MODIFY_REG(RCC->CFGR2, RCC_CFGR2_PREDIV2 | RCC_CFGR2_PLL3MUL, Divider | Multiplicator);
1684
}
1685
 
1686
/**
1687
  * @brief  Get PLLI2S Multiplication Factor
1688
  * @rmtoll CFGR2        PLL3MUL       LL_RCC_PLLI2S_GetMultiplicator
1689
  * @retval Returned value can be one of the following values:
1690
  *         @arg @ref LL_RCC_PLLI2S_MUL_8
1691
  *         @arg @ref LL_RCC_PLLI2S_MUL_9
1692
  *         @arg @ref LL_RCC_PLLI2S_MUL_10
1693
  *         @arg @ref LL_RCC_PLLI2S_MUL_11
1694
  *         @arg @ref LL_RCC_PLLI2S_MUL_12
1695
  *         @arg @ref LL_RCC_PLLI2S_MUL_13
1696
  *         @arg @ref LL_RCC_PLLI2S_MUL_14
1697
  *         @arg @ref LL_RCC_PLLI2S_MUL_16
1698
  *         @arg @ref LL_RCC_PLLI2S_MUL_20
1699
  */
1700
__STATIC_INLINE uint32_t LL_RCC_PLLI2S_GetMultiplicator(void)
1701
{
1702
  return (uint32_t)(READ_BIT(RCC->CFGR2, RCC_CFGR2_PLL3MUL));
1703
}
1704
 
1705
/**
1706
  * @}
1707
  */
1708
#endif /* RCC_PLLI2S_SUPPORT */
1709
 
1710
#if defined(RCC_PLL2_SUPPORT)
1711
/** @defgroup RCC_LL_EF_PLL2 PLL2
1712
  * @{
1713
  */
1714
 
1715
/**
1716
  * @brief  Enable PLL2
1717
  * @rmtoll CR           PLL2ON        LL_RCC_PLL2_Enable
1718
  * @retval None
1719
  */
1720
__STATIC_INLINE void LL_RCC_PLL2_Enable(void)
1721
{
1722
  SET_BIT(RCC->CR, RCC_CR_PLL2ON);
1723
}
1724
 
1725
/**
1726
  * @brief  Disable PLL2
1727
  * @rmtoll CR           PLL2ON        LL_RCC_PLL2_Disable
1728
  * @retval None
1729
  */
1730
__STATIC_INLINE void LL_RCC_PLL2_Disable(void)
1731
{
1732
  CLEAR_BIT(RCC->CR, RCC_CR_PLL2ON);
1733
}
1734
 
1735
/**
1736
  * @brief  Check if PLL2 Ready
1737
  * @rmtoll CR           PLL2RDY       LL_RCC_PLL2_IsReady
1738
  * @retval State of bit (1 or 0).
1739
  */
1740
__STATIC_INLINE uint32_t LL_RCC_PLL2_IsReady(void)
1741
{
1742
  return (READ_BIT(RCC->CR, RCC_CR_PLL2RDY) == (RCC_CR_PLL2RDY));
1743
}
1744
 
1745
/**
1746
  * @brief  Configure PLL2 used for PLL2 Domain
1747
  * @rmtoll CFGR2        PREDIV2       LL_RCC_PLL_ConfigDomain_PLL2\n
1748
  *         CFGR2        PLL2MUL       LL_RCC_PLL_ConfigDomain_PLL2
1749
  * @param  Divider This parameter can be one of the following values:
1750
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_1
1751
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_2
1752
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_3
1753
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_4
1754
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_5
1755
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_6
1756
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_7
1757
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_8
1758
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_9
1759
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_10
1760
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_11
1761
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_12
1762
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_13
1763
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_14
1764
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_15
1765
  *         @arg @ref LL_RCC_HSE_PREDIV2_DIV_16
1766
  * @param  Multiplicator This parameter can be one of the following values:
1767
  *         @arg @ref LL_RCC_PLL2_MUL_8
1768
  *         @arg @ref LL_RCC_PLL2_MUL_9
1769
  *         @arg @ref LL_RCC_PLL2_MUL_10
1770
  *         @arg @ref LL_RCC_PLL2_MUL_11
1771
  *         @arg @ref LL_RCC_PLL2_MUL_12
1772
  *         @arg @ref LL_RCC_PLL2_MUL_13
1773
  *         @arg @ref LL_RCC_PLL2_MUL_14
1774
  *         @arg @ref LL_RCC_PLL2_MUL_16
1775
  *         @arg @ref LL_RCC_PLL2_MUL_20
1776
  * @retval None
1777
  */
1778
__STATIC_INLINE void LL_RCC_PLL_ConfigDomain_PLL2(uint32_t Divider, uint32_t Multiplicator)
1779
{
1780
  MODIFY_REG(RCC->CFGR2, RCC_CFGR2_PREDIV2 | RCC_CFGR2_PLL2MUL, Divider | Multiplicator);
1781
}
1782
 
1783
/**
1784
  * @brief  Get PLL2 Multiplication Factor
1785
  * @rmtoll CFGR2        PLL2MUL       LL_RCC_PLL2_GetMultiplicator
1786
  * @retval Returned value can be one of the following values:
1787
  *         @arg @ref LL_RCC_PLL2_MUL_8
1788
  *         @arg @ref LL_RCC_PLL2_MUL_9
1789
  *         @arg @ref LL_RCC_PLL2_MUL_10
1790
  *         @arg @ref LL_RCC_PLL2_MUL_11
1791
  *         @arg @ref LL_RCC_PLL2_MUL_12
1792
  *         @arg @ref LL_RCC_PLL2_MUL_13
1793
  *         @arg @ref LL_RCC_PLL2_MUL_14
1794
  *         @arg @ref LL_RCC_PLL2_MUL_16
1795
  *         @arg @ref LL_RCC_PLL2_MUL_20
1796
  */
1797
__STATIC_INLINE uint32_t LL_RCC_PLL2_GetMultiplicator(void)
1798
{
1799
  return (uint32_t)(READ_BIT(RCC->CFGR2, RCC_CFGR2_PLL2MUL));
1800
}
1801
 
1802
/**
1803
  * @}
1804
  */
1805
#endif /* RCC_PLL2_SUPPORT */
1806
 
1807
/** @defgroup RCC_LL_EF_FLAG_Management FLAG Management
1808
  * @{
1809
  */
1810
 
1811
/**
1812
  * @brief  Clear LSI ready interrupt flag
1813
  * @rmtoll CIR         LSIRDYC       LL_RCC_ClearFlag_LSIRDY
1814
  * @retval None
1815
  */
1816
__STATIC_INLINE void LL_RCC_ClearFlag_LSIRDY(void)
1817
{
1818
  SET_BIT(RCC->CIR, RCC_CIR_LSIRDYC);
1819
}
1820
 
1821
/**
1822
  * @brief  Clear LSE ready interrupt flag
1823
  * @rmtoll CIR         LSERDYC       LL_RCC_ClearFlag_LSERDY
1824
  * @retval None
1825
  */
1826
__STATIC_INLINE void LL_RCC_ClearFlag_LSERDY(void)
1827
{
1828
  SET_BIT(RCC->CIR, RCC_CIR_LSERDYC);
1829
}
1830
 
1831
/**
1832
  * @brief  Clear HSI ready interrupt flag
1833
  * @rmtoll CIR         HSIRDYC       LL_RCC_ClearFlag_HSIRDY
1834
  * @retval None
1835
  */
1836
__STATIC_INLINE void LL_RCC_ClearFlag_HSIRDY(void)
1837
{
1838
  SET_BIT(RCC->CIR, RCC_CIR_HSIRDYC);
1839
}
1840
 
1841
/**
1842
  * @brief  Clear HSE ready interrupt flag
1843
  * @rmtoll CIR         HSERDYC       LL_RCC_ClearFlag_HSERDY
1844
  * @retval None
1845
  */
1846
__STATIC_INLINE void LL_RCC_ClearFlag_HSERDY(void)
1847
{
1848
  SET_BIT(RCC->CIR, RCC_CIR_HSERDYC);
1849
}
1850
 
1851
/**
1852
  * @brief  Clear PLL ready interrupt flag
1853
  * @rmtoll CIR         PLLRDYC       LL_RCC_ClearFlag_PLLRDY
1854
  * @retval None
1855
  */
1856
__STATIC_INLINE void LL_RCC_ClearFlag_PLLRDY(void)
1857
{
1858
  SET_BIT(RCC->CIR, RCC_CIR_PLLRDYC);
1859
}
1860
 
1861
#if defined(RCC_PLLI2S_SUPPORT)
1862
/**
1863
  * @brief  Clear PLLI2S ready interrupt flag
1864
  * @rmtoll CIR          PLL3RDYC      LL_RCC_ClearFlag_PLLI2SRDY
1865
  * @retval None
1866
  */
1867
__STATIC_INLINE void LL_RCC_ClearFlag_PLLI2SRDY(void)
1868
{
1869
  SET_BIT(RCC->CIR, RCC_CIR_PLL3RDYC);
1870
}
1871
#endif /* RCC_PLLI2S_SUPPORT */
1872
 
1873
#if defined(RCC_PLL2_SUPPORT)
1874
/**
1875
  * @brief  Clear PLL2 ready interrupt flag
1876
  * @rmtoll CIR          PLL2RDYC      LL_RCC_ClearFlag_PLL2RDY
1877
  * @retval None
1878
  */
1879
__STATIC_INLINE void LL_RCC_ClearFlag_PLL2RDY(void)
1880
{
1881
  SET_BIT(RCC->CIR, RCC_CIR_PLL2RDYC);
1882
}
1883
#endif /* RCC_PLL2_SUPPORT */
1884
 
1885
/**
1886
  * @brief  Clear Clock security system interrupt flag
1887
  * @rmtoll CIR         CSSC          LL_RCC_ClearFlag_HSECSS
1888
  * @retval None
1889
  */
1890
__STATIC_INLINE void LL_RCC_ClearFlag_HSECSS(void)
1891
{
1892
  SET_BIT(RCC->CIR, RCC_CIR_CSSC);
1893
}
1894
 
1895
/**
1896
  * @brief  Check if LSI ready interrupt occurred or not
1897
  * @rmtoll CIR         LSIRDYF       LL_RCC_IsActiveFlag_LSIRDY
1898
  * @retval State of bit (1 or 0).
1899
  */
1900
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LSIRDY(void)
1901
{
1902
  return (READ_BIT(RCC->CIR, RCC_CIR_LSIRDYF) == (RCC_CIR_LSIRDYF));
1903
}
1904
 
1905
/**
1906
  * @brief  Check if LSE ready interrupt occurred or not
1907
  * @rmtoll CIR         LSERDYF       LL_RCC_IsActiveFlag_LSERDY
1908
  * @retval State of bit (1 or 0).
1909
  */
1910
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LSERDY(void)
1911
{
1912
  return (READ_BIT(RCC->CIR, RCC_CIR_LSERDYF) == (RCC_CIR_LSERDYF));
1913
}
1914
 
1915
/**
1916
  * @brief  Check if HSI ready interrupt occurred or not
1917
  * @rmtoll CIR         HSIRDYF       LL_RCC_IsActiveFlag_HSIRDY
1918
  * @retval State of bit (1 or 0).
1919
  */
1920
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSIRDY(void)
1921
{
1922
  return (READ_BIT(RCC->CIR, RCC_CIR_HSIRDYF) == (RCC_CIR_HSIRDYF));
1923
}
1924
 
1925
/**
1926
  * @brief  Check if HSE ready interrupt occurred or not
1927
  * @rmtoll CIR         HSERDYF       LL_RCC_IsActiveFlag_HSERDY
1928
  * @retval State of bit (1 or 0).
1929
  */
1930
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSERDY(void)
1931
{
1932
  return (READ_BIT(RCC->CIR, RCC_CIR_HSERDYF) == (RCC_CIR_HSERDYF));
1933
}
1934
 
1935
/**
1936
  * @brief  Check if PLL ready interrupt occurred or not
1937
  * @rmtoll CIR         PLLRDYF       LL_RCC_IsActiveFlag_PLLRDY
1938
  * @retval State of bit (1 or 0).
1939
  */
1940
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PLLRDY(void)
1941
{
1942
  return (READ_BIT(RCC->CIR, RCC_CIR_PLLRDYF) == (RCC_CIR_PLLRDYF));
1943
}
1944
 
1945
#if defined(RCC_PLLI2S_SUPPORT)
1946
/**
1947
  * @brief  Check if PLLI2S ready interrupt occurred or not
1948
  * @rmtoll CIR          PLL3RDYF      LL_RCC_IsActiveFlag_PLLI2SRDY
1949
  * @retval State of bit (1 or 0).
1950
  */
1951
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PLLI2SRDY(void)
1952
{
1953
  return (READ_BIT(RCC->CIR, RCC_CIR_PLL3RDYF) == (RCC_CIR_PLL3RDYF));
1954
}
1955
#endif /* RCC_PLLI2S_SUPPORT */
1956
 
1957
#if defined(RCC_PLL2_SUPPORT)
1958
/**
1959
  * @brief  Check if PLL2 ready interrupt occurred or not
1960
  * @rmtoll CIR          PLL2RDYF      LL_RCC_IsActiveFlag_PLL2RDY
1961
  * @retval State of bit (1 or 0).
1962
  */
1963
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PLL2RDY(void)
1964
{
1965
  return (READ_BIT(RCC->CIR, RCC_CIR_PLL2RDYF) == (RCC_CIR_PLL2RDYF));
1966
}
1967
#endif /* RCC_PLL2_SUPPORT */
1968
 
1969
/**
1970
  * @brief  Check if Clock security system interrupt occurred or not
1971
  * @rmtoll CIR         CSSF          LL_RCC_IsActiveFlag_HSECSS
1972
  * @retval State of bit (1 or 0).
1973
  */
1974
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSECSS(void)
1975
{
1976
  return (READ_BIT(RCC->CIR, RCC_CIR_CSSF) == (RCC_CIR_CSSF));
1977
}
1978
 
1979
/**
1980
  * @brief  Check if RCC flag Independent Watchdog reset is set or not.
1981
  * @rmtoll CSR          IWDGRSTF      LL_RCC_IsActiveFlag_IWDGRST
1982
  * @retval State of bit (1 or 0).
1983
  */
1984
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_IWDGRST(void)
1985
{
1986
  return (READ_BIT(RCC->CSR, RCC_CSR_IWDGRSTF) == (RCC_CSR_IWDGRSTF));
1987
}
1988
 
1989
/**
1990
  * @brief  Check if RCC flag Low Power reset is set or not.
1991
  * @rmtoll CSR          LPWRRSTF      LL_RCC_IsActiveFlag_LPWRRST
1992
  * @retval State of bit (1 or 0).
1993
  */
1994
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LPWRRST(void)
1995
{
1996
  return (READ_BIT(RCC->CSR, RCC_CSR_LPWRRSTF) == (RCC_CSR_LPWRRSTF));
1997
}
1998
 
1999
/**
2000
  * @brief  Check if RCC flag Pin reset is set or not.
2001
  * @rmtoll CSR          PINRSTF       LL_RCC_IsActiveFlag_PINRST
2002
  * @retval State of bit (1 or 0).
2003
  */
2004
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PINRST(void)
2005
{
2006
  return (READ_BIT(RCC->CSR, RCC_CSR_PINRSTF) == (RCC_CSR_PINRSTF));
2007
}
2008
 
2009
/**
2010
  * @brief  Check if RCC flag POR/PDR reset is set or not.
2011
  * @rmtoll CSR          PORRSTF       LL_RCC_IsActiveFlag_PORRST
2012
  * @retval State of bit (1 or 0).
2013
  */
2014
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PORRST(void)
2015
{
2016
  return (READ_BIT(RCC->CSR, RCC_CSR_PORRSTF) == (RCC_CSR_PORRSTF));
2017
}
2018
 
2019
/**
2020
  * @brief  Check if RCC flag Software reset is set or not.
2021
  * @rmtoll CSR          SFTRSTF       LL_RCC_IsActiveFlag_SFTRST
2022
  * @retval State of bit (1 or 0).
2023
  */
2024
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_SFTRST(void)
2025
{
2026
  return (READ_BIT(RCC->CSR, RCC_CSR_SFTRSTF) == (RCC_CSR_SFTRSTF));
2027
}
2028
 
2029
/**
2030
  * @brief  Check if RCC flag Window Watchdog reset is set or not.
2031
  * @rmtoll CSR          WWDGRSTF      LL_RCC_IsActiveFlag_WWDGRST
2032
  * @retval State of bit (1 or 0).
2033
  */
2034
__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_WWDGRST(void)
2035
{
2036
  return (READ_BIT(RCC->CSR, RCC_CSR_WWDGRSTF) == (RCC_CSR_WWDGRSTF));
2037
}
2038
 
2039
/**
2040
  * @brief  Set RMVF bit to clear the reset flags.
2041
  * @rmtoll CSR          RMVF          LL_RCC_ClearResetFlags
2042
  * @retval None
2043
  */
2044
__STATIC_INLINE void LL_RCC_ClearResetFlags(void)
2045
{
2046
  SET_BIT(RCC->CSR, RCC_CSR_RMVF);
2047
}
2048
 
2049
/**
2050
  * @}
2051
  */
2052
 
2053
/** @defgroup RCC_LL_EF_IT_Management IT Management
2054
  * @{
2055
  */
2056
 
2057
/**
2058
  * @brief  Enable LSI ready interrupt
2059
  * @rmtoll CIR         LSIRDYIE      LL_RCC_EnableIT_LSIRDY
2060
  * @retval None
2061
  */
2062
__STATIC_INLINE void LL_RCC_EnableIT_LSIRDY(void)
2063
{
2064
  SET_BIT(RCC->CIR, RCC_CIR_LSIRDYIE);
2065
}
2066
 
2067
/**
2068
  * @brief  Enable LSE ready interrupt
2069
  * @rmtoll CIR         LSERDYIE      LL_RCC_EnableIT_LSERDY
2070
  * @retval None
2071
  */
2072
__STATIC_INLINE void LL_RCC_EnableIT_LSERDY(void)
2073
{
2074
  SET_BIT(RCC->CIR, RCC_CIR_LSERDYIE);
2075
}
2076
 
2077
/**
2078
  * @brief  Enable HSI ready interrupt
2079
  * @rmtoll CIR         HSIRDYIE      LL_RCC_EnableIT_HSIRDY
2080
  * @retval None
2081
  */
2082
__STATIC_INLINE void LL_RCC_EnableIT_HSIRDY(void)
2083
{
2084
  SET_BIT(RCC->CIR, RCC_CIR_HSIRDYIE);
2085
}
2086
 
2087
/**
2088
  * @brief  Enable HSE ready interrupt
2089
  * @rmtoll CIR         HSERDYIE      LL_RCC_EnableIT_HSERDY
2090
  * @retval None
2091
  */
2092
__STATIC_INLINE void LL_RCC_EnableIT_HSERDY(void)
2093
{
2094
  SET_BIT(RCC->CIR, RCC_CIR_HSERDYIE);
2095
}
2096
 
2097
/**
2098
  * @brief  Enable PLL ready interrupt
2099
  * @rmtoll CIR         PLLRDYIE      LL_RCC_EnableIT_PLLRDY
2100
  * @retval None
2101
  */
2102
__STATIC_INLINE void LL_RCC_EnableIT_PLLRDY(void)
2103
{
2104
  SET_BIT(RCC->CIR, RCC_CIR_PLLRDYIE);
2105
}
2106
 
2107
#if defined(RCC_PLLI2S_SUPPORT)
2108
/**
2109
  * @brief  Enable PLLI2S ready interrupt
2110
  * @rmtoll CIR          PLL3RDYIE     LL_RCC_EnableIT_PLLI2SRDY
2111
  * @retval None
2112
  */
2113
__STATIC_INLINE void LL_RCC_EnableIT_PLLI2SRDY(void)
2114
{
2115
  SET_BIT(RCC->CIR, RCC_CIR_PLL3RDYIE);
2116
}
2117
#endif /* RCC_PLLI2S_SUPPORT */
2118
 
2119
#if defined(RCC_PLL2_SUPPORT)
2120
/**
2121
  * @brief  Enable PLL2 ready interrupt
2122
  * @rmtoll CIR          PLL2RDYIE     LL_RCC_EnableIT_PLL2RDY
2123
  * @retval None
2124
  */
2125
__STATIC_INLINE void LL_RCC_EnableIT_PLL2RDY(void)
2126
{
2127
  SET_BIT(RCC->CIR, RCC_CIR_PLL2RDYIE);
2128
}
2129
#endif /* RCC_PLL2_SUPPORT */
2130
 
2131
/**
2132
  * @brief  Disable LSI ready interrupt
2133
  * @rmtoll CIR         LSIRDYIE      LL_RCC_DisableIT_LSIRDY
2134
  * @retval None
2135
  */
2136
__STATIC_INLINE void LL_RCC_DisableIT_LSIRDY(void)
2137
{
2138
  CLEAR_BIT(RCC->CIR, RCC_CIR_LSIRDYIE);
2139
}
2140
 
2141
/**
2142
  * @brief  Disable LSE ready interrupt
2143
  * @rmtoll CIR         LSERDYIE      LL_RCC_DisableIT_LSERDY
2144
  * @retval None
2145
  */
2146
__STATIC_INLINE void LL_RCC_DisableIT_LSERDY(void)
2147
{
2148
  CLEAR_BIT(RCC->CIR, RCC_CIR_LSERDYIE);
2149
}
2150
 
2151
/**
2152
  * @brief  Disable HSI ready interrupt
2153
  * @rmtoll CIR         HSIRDYIE      LL_RCC_DisableIT_HSIRDY
2154
  * @retval None
2155
  */
2156
__STATIC_INLINE void LL_RCC_DisableIT_HSIRDY(void)
2157
{
2158
  CLEAR_BIT(RCC->CIR, RCC_CIR_HSIRDYIE);
2159
}
2160
 
2161
/**
2162
  * @brief  Disable HSE ready interrupt
2163
  * @rmtoll CIR         HSERDYIE      LL_RCC_DisableIT_HSERDY
2164
  * @retval None
2165
  */
2166
__STATIC_INLINE void LL_RCC_DisableIT_HSERDY(void)
2167
{
2168
  CLEAR_BIT(RCC->CIR, RCC_CIR_HSERDYIE);
2169
}
2170
 
2171
/**
2172
  * @brief  Disable PLL ready interrupt
2173
  * @rmtoll CIR         PLLRDYIE      LL_RCC_DisableIT_PLLRDY
2174
  * @retval None
2175
  */
2176
__STATIC_INLINE void LL_RCC_DisableIT_PLLRDY(void)
2177
{
2178
  CLEAR_BIT(RCC->CIR, RCC_CIR_PLLRDYIE);
2179
}
2180
 
2181
#if defined(RCC_PLLI2S_SUPPORT)
2182
/**
2183
  * @brief  Disable PLLI2S ready interrupt
2184
  * @rmtoll CIR          PLL3RDYIE     LL_RCC_DisableIT_PLLI2SRDY
2185
  * @retval None
2186
  */
2187
__STATIC_INLINE void LL_RCC_DisableIT_PLLI2SRDY(void)
2188
{
2189
  CLEAR_BIT(RCC->CIR, RCC_CIR_PLL3RDYIE);
2190
}
2191
#endif /* RCC_PLLI2S_SUPPORT */
2192
 
2193
#if defined(RCC_PLL2_SUPPORT)
2194
/**
2195
  * @brief  Disable PLL2 ready interrupt
2196
  * @rmtoll CIR          PLL2RDYIE     LL_RCC_DisableIT_PLL2RDY
2197
  * @retval None
2198
  */
2199
__STATIC_INLINE void LL_RCC_DisableIT_PLL2RDY(void)
2200
{
2201
  CLEAR_BIT(RCC->CIR, RCC_CIR_PLL2RDYIE);
2202
}
2203
#endif /* RCC_PLL2_SUPPORT */
2204
 
2205
/**
2206
  * @brief  Checks if LSI ready interrupt source is enabled or disabled.
2207
  * @rmtoll CIR         LSIRDYIE      LL_RCC_IsEnabledIT_LSIRDY
2208
  * @retval State of bit (1 or 0).
2209
  */
2210
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_LSIRDY(void)
2211
{
2212
  return (READ_BIT(RCC->CIR, RCC_CIR_LSIRDYIE) == (RCC_CIR_LSIRDYIE));
2213
}
2214
 
2215
/**
2216
  * @brief  Checks if LSE ready interrupt source is enabled or disabled.
2217
  * @rmtoll CIR         LSERDYIE      LL_RCC_IsEnabledIT_LSERDY
2218
  * @retval State of bit (1 or 0).
2219
  */
2220
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_LSERDY(void)
2221
{
2222
  return (READ_BIT(RCC->CIR, RCC_CIR_LSERDYIE) == (RCC_CIR_LSERDYIE));
2223
}
2224
 
2225
/**
2226
  * @brief  Checks if HSI ready interrupt source is enabled or disabled.
2227
  * @rmtoll CIR         HSIRDYIE      LL_RCC_IsEnabledIT_HSIRDY
2228
  * @retval State of bit (1 or 0).
2229
  */
2230
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSIRDY(void)
2231
{
2232
  return (READ_BIT(RCC->CIR, RCC_CIR_HSIRDYIE) == (RCC_CIR_HSIRDYIE));
2233
}
2234
 
2235
/**
2236
  * @brief  Checks if HSE ready interrupt source is enabled or disabled.
2237
  * @rmtoll CIR         HSERDYIE      LL_RCC_IsEnabledIT_HSERDY
2238
  * @retval State of bit (1 or 0).
2239
  */
2240
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSERDY(void)
2241
{
2242
  return (READ_BIT(RCC->CIR, RCC_CIR_HSERDYIE) == (RCC_CIR_HSERDYIE));
2243
}
2244
 
2245
/**
2246
  * @brief  Checks if PLL ready interrupt source is enabled or disabled.
2247
  * @rmtoll CIR         PLLRDYIE      LL_RCC_IsEnabledIT_PLLRDY
2248
  * @retval State of bit (1 or 0).
2249
  */
2250
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_PLLRDY(void)
2251
{
2252
  return (READ_BIT(RCC->CIR, RCC_CIR_PLLRDYIE) == (RCC_CIR_PLLRDYIE));
2253
}
2254
 
2255
#if defined(RCC_PLLI2S_SUPPORT)
2256
/**
2257
  * @brief  Checks if PLLI2S ready interrupt source is enabled or disabled.
2258
  * @rmtoll CIR          PLL3RDYIE     LL_RCC_IsEnabledIT_PLLI2SRDY
2259
  * @retval State of bit (1 or 0).
2260
  */
2261
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_PLLI2SRDY(void)
2262
{
2263
  return (READ_BIT(RCC->CIR, RCC_CIR_PLL3RDYIE) == (RCC_CIR_PLL3RDYIE));
2264
}
2265
#endif /* RCC_PLLI2S_SUPPORT */
2266
 
2267
#if defined(RCC_PLL2_SUPPORT)
2268
/**
2269
  * @brief  Checks if PLL2 ready interrupt source is enabled or disabled.
2270
  * @rmtoll CIR          PLL2RDYIE     LL_RCC_IsEnabledIT_PLL2RDY
2271
  * @retval State of bit (1 or 0).
2272
  */
2273
__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_PLL2RDY(void)
2274
{
2275
  return (READ_BIT(RCC->CIR, RCC_CIR_PLL2RDYIE) == (RCC_CIR_PLL2RDYIE));
2276
}
2277
#endif /* RCC_PLL2_SUPPORT */
2278
 
2279
/**
2280
  * @}
2281
  */
2282
 
2283
#if defined(USE_FULL_LL_DRIVER)
2284
/** @defgroup RCC_LL_EF_Init De-initialization function
2285
  * @{
2286
  */
2287
ErrorStatus LL_RCC_DeInit(void);
2288
/**
2289
  * @}
2290
  */
2291
 
2292
/** @defgroup RCC_LL_EF_Get_Freq Get system and peripherals clocks frequency functions
2293
  * @{
2294
  */
2295
void        LL_RCC_GetSystemClocksFreq(LL_RCC_ClocksTypeDef *RCC_Clocks);
2296
#if defined(RCC_CFGR2_I2S2SRC)
2297
uint32_t    LL_RCC_GetI2SClockFreq(uint32_t I2SxSource);
2298
#endif /* RCC_CFGR2_I2S2SRC */
2299
#if defined(USB_OTG_FS) || defined(USB)
2300
uint32_t    LL_RCC_GetUSBClockFreq(uint32_t USBxSource);
2301
#endif /* USB_OTG_FS || USB */
2302
uint32_t    LL_RCC_GetADCClockFreq(uint32_t ADCxSource);
2303
/**
2304
  * @}
2305
  */
2306
#endif /* USE_FULL_LL_DRIVER */
2307
 
2308
/**
2309
  * @}
2310
  */
2311
 
2312
/**
2313
  * @}
2314
  */
2315
 
2316
#endif /* RCC */
2317
 
2318
/**
2319
  * @}
2320
  */
2321
 
2322
#ifdef __cplusplus
2323
}
2324
#endif
2325
 
2326
#endif /* __STM32F1xx_LL_RCC_H */
2327
 
2328
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/