1 /**
2   ******************************************************************************
3   * @file    stm32f4xx_hal_rcc.h
4   * @author  MCD Application Team
5   * @brief   Header file of RCC HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2017 STMicroelectronics.
10   * All rights reserved.
11   *
12   * This software is licensed under terms that can be found in the LICENSE file in
13   * the root directory of this software component.
14   * If no LICENSE file comes with this software, it is provided AS-IS.
15   ******************************************************************************
16   */
17 
18 /* Define to prevent recursive inclusion -------------------------------------*/
19 #ifndef __STM32F4xx_HAL_RCC_H
20 #define __STM32F4xx_HAL_RCC_H
21 
22 #ifdef __cplusplus
23  extern "C" {
24 #endif
25 
26 /* Includes ------------------------------------------------------------------*/
27 #include "stm32f4xx_hal_def.h"
28 
29 /* Include RCC HAL Extended module */
30 /* (include on top of file since RCC structures are defined in extended file) */
31 #include "stm32f4xx_hal_rcc_ex.h"
32 
33 /** @addtogroup STM32F4xx_HAL_Driver
34   * @{
35   */
36 
37 /** @addtogroup RCC
38   * @{
39   */
40 
41 /* Exported types ------------------------------------------------------------*/
42 /** @defgroup RCC_Exported_Types RCC Exported Types
43   * @{
44   */
45 
46 /**
47   * @brief  RCC Internal/External Oscillator (HSE, HSI, LSE and LSI) configuration structure definition
48   */
49 typedef struct
50 {
51   uint32_t OscillatorType;       /*!< The oscillators to be configured.
52                                       This parameter can be a value of @ref RCC_Oscillator_Type                   */
53 
54   uint32_t HSEState;             /*!< The new state of the HSE.
55                                       This parameter can be a value of @ref RCC_HSE_Config                        */
56 
57   uint32_t LSEState;             /*!< The new state of the LSE.
58                                       This parameter can be a value of @ref RCC_LSE_Config                        */
59 
60   uint32_t HSIState;             /*!< The new state of the HSI.
61                                       This parameter can be a value of @ref RCC_HSI_Config                        */
62 
63   uint32_t HSICalibrationValue;  /*!< The HSI calibration trimming value (default is RCC_HSICALIBRATION_DEFAULT).
64                                        This parameter must be a number between Min_Data = 0x00 and Max_Data = 0x1F */
65 
66   uint32_t LSIState;             /*!< The new state of the LSI.
67                                       This parameter can be a value of @ref RCC_LSI_Config                        */
68 
69   RCC_PLLInitTypeDef PLL;        /*!< PLL structure parameters                                                    */
70 }RCC_OscInitTypeDef;
71 
72 /**
73   * @brief  RCC System, AHB and APB busses clock configuration structure definition
74   */
75 typedef struct
76 {
77   uint32_t ClockType;             /*!< The clock to be configured.
78                                        This parameter can be a value of @ref RCC_System_Clock_Type      */
79 
80   uint32_t SYSCLKSource;          /*!< The clock source (SYSCLKS) used as system clock.
81                                        This parameter can be a value of @ref RCC_System_Clock_Source    */
82 
83   uint32_t AHBCLKDivider;         /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
84                                        This parameter can be a value of @ref RCC_AHB_Clock_Source       */
85 
86   uint32_t APB1CLKDivider;        /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
87                                        This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */
88 
89   uint32_t APB2CLKDivider;        /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
90                                        This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */
91 
92 }RCC_ClkInitTypeDef;
93 
94 /**
95   * @}
96   */
97 
98 /* Exported constants --------------------------------------------------------*/
99 /** @defgroup RCC_Exported_Constants RCC Exported Constants
100   * @{
101   */
102 
103 /** @defgroup RCC_Oscillator_Type Oscillator Type
104   * @{
105   */
106 #define RCC_OSCILLATORTYPE_NONE            0x00000000U
107 #define RCC_OSCILLATORTYPE_HSE             0x00000001U
108 #define RCC_OSCILLATORTYPE_HSI             0x00000002U
109 #define RCC_OSCILLATORTYPE_LSE             0x00000004U
110 #define RCC_OSCILLATORTYPE_LSI             0x00000008U
111 /**
112   * @}
113   */
114 
115 /** @defgroup RCC_HSE_Config HSE Config
116   * @{
117   */
118 #define RCC_HSE_OFF                      0x00000000U
119 #define RCC_HSE_ON                       RCC_CR_HSEON
120 #define RCC_HSE_BYPASS                   ((uint32_t)(RCC_CR_HSEBYP | RCC_CR_HSEON))
121 /**
122   * @}
123   */
124 
125 /** @defgroup RCC_LSE_Config LSE Config
126   * @{
127   */
128 #define RCC_LSE_OFF                    0x00000000U
129 #define RCC_LSE_ON                     RCC_BDCR_LSEON
130 #define RCC_LSE_BYPASS                 ((uint32_t)(RCC_BDCR_LSEBYP | RCC_BDCR_LSEON))
131 /**
132   * @}
133   */
134 
135 /** @defgroup RCC_HSI_Config HSI Config
136   * @{
137   */
138 #define RCC_HSI_OFF                      ((uint8_t)0x00)
139 #define RCC_HSI_ON                       ((uint8_t)0x01)
140 
141 #define RCC_HSICALIBRATION_DEFAULT       0x10U         /* Default HSI calibration trimming value */
142 /**
143   * @}
144   */
145 
146 /** @defgroup RCC_LSI_Config LSI Config
147   * @{
148   */
149 #define RCC_LSI_OFF                      ((uint8_t)0x00)
150 #define RCC_LSI_ON                       ((uint8_t)0x01)
151 /**
152   * @}
153   */
154 
155 /** @defgroup RCC_PLL_Config PLL Config
156   * @{
157   */
158 #define RCC_PLL_NONE                      ((uint8_t)0x00)
159 #define RCC_PLL_OFF                       ((uint8_t)0x01)
160 #define RCC_PLL_ON                        ((uint8_t)0x02)
161 /**
162   * @}
163   */
164 
165 /** @defgroup RCC_PLLP_Clock_Divider PLLP Clock Divider
166   * @{
167   */
168 #define RCC_PLLP_DIV2                  0x00000002U
169 #define RCC_PLLP_DIV4                  0x00000004U
170 #define RCC_PLLP_DIV6                  0x00000006U
171 #define RCC_PLLP_DIV8                  0x00000008U
172 /**
173   * @}
174   */
175 
176 /** @defgroup RCC_PLL_Clock_Source PLL Clock Source
177   * @{
178   */
179 #define RCC_PLLSOURCE_HSI                RCC_PLLCFGR_PLLSRC_HSI
180 #define RCC_PLLSOURCE_HSE                RCC_PLLCFGR_PLLSRC_HSE
181 /**
182   * @}
183   */
184 
185 /** @defgroup RCC_System_Clock_Type System Clock Type
186   * @{
187   */
188 #define RCC_CLOCKTYPE_SYSCLK             0x00000001U
189 #define RCC_CLOCKTYPE_HCLK               0x00000002U
190 #define RCC_CLOCKTYPE_PCLK1              0x00000004U
191 #define RCC_CLOCKTYPE_PCLK2              0x00000008U
192 /**
193   * @}
194   */
195 
196 /** @defgroup RCC_System_Clock_Source System Clock Source
197   * @note     The RCC_SYSCLKSOURCE_PLLRCLK parameter is available only for
198   *           STM32F446xx devices.
199   * @{
200   */
201 #define RCC_SYSCLKSOURCE_HSI             RCC_CFGR_SW_HSI
202 #define RCC_SYSCLKSOURCE_HSE             RCC_CFGR_SW_HSE
203 #define RCC_SYSCLKSOURCE_PLLCLK          RCC_CFGR_SW_PLL
204 #define RCC_SYSCLKSOURCE_PLLRCLK         ((uint32_t)(RCC_CFGR_SW_0 | RCC_CFGR_SW_1))
205 /**
206   * @}
207   */
208 
209 /** @defgroup RCC_System_Clock_Source_Status System Clock Source Status
210   * @note     The RCC_SYSCLKSOURCE_STATUS_PLLRCLK parameter is available only for
211   *           STM32F446xx devices.
212   * @{
213   */
214 #define RCC_SYSCLKSOURCE_STATUS_HSI     RCC_CFGR_SWS_HSI   /*!< HSI used as system clock */
215 #define RCC_SYSCLKSOURCE_STATUS_HSE     RCC_CFGR_SWS_HSE   /*!< HSE used as system clock */
216 #define RCC_SYSCLKSOURCE_STATUS_PLLCLK  RCC_CFGR_SWS_PLL   /*!< PLL used as system clock */
217 #define RCC_SYSCLKSOURCE_STATUS_PLLRCLK ((uint32_t)(RCC_CFGR_SWS_0 | RCC_CFGR_SWS_1))   /*!< PLLR used as system clock */
218 /**
219   * @}
220   */
221 
222 /** @defgroup RCC_AHB_Clock_Source AHB Clock Source
223   * @{
224   */
225 #define RCC_SYSCLK_DIV1                  RCC_CFGR_HPRE_DIV1
226 #define RCC_SYSCLK_DIV2                  RCC_CFGR_HPRE_DIV2
227 #define RCC_SYSCLK_DIV4                  RCC_CFGR_HPRE_DIV4
228 #define RCC_SYSCLK_DIV8                  RCC_CFGR_HPRE_DIV8
229 #define RCC_SYSCLK_DIV16                 RCC_CFGR_HPRE_DIV16
230 #define RCC_SYSCLK_DIV64                 RCC_CFGR_HPRE_DIV64
231 #define RCC_SYSCLK_DIV128                RCC_CFGR_HPRE_DIV128
232 #define RCC_SYSCLK_DIV256                RCC_CFGR_HPRE_DIV256
233 #define RCC_SYSCLK_DIV512                RCC_CFGR_HPRE_DIV512
234 /**
235   * @}
236   */
237 
238 /** @defgroup RCC_APB1_APB2_Clock_Source APB1/APB2 Clock Source
239   * @{
240   */
241 #define RCC_HCLK_DIV1                    RCC_CFGR_PPRE1_DIV1
242 #define RCC_HCLK_DIV2                    RCC_CFGR_PPRE1_DIV2
243 #define RCC_HCLK_DIV4                    RCC_CFGR_PPRE1_DIV4
244 #define RCC_HCLK_DIV8                    RCC_CFGR_PPRE1_DIV8
245 #define RCC_HCLK_DIV16                   RCC_CFGR_PPRE1_DIV16
246 /**
247   * @}
248   */
249 
250 /** @defgroup RCC_RTC_Clock_Source RTC Clock Source
251   * @{
252   */
253 #define RCC_RTCCLKSOURCE_NO_CLK          0x00000000U
254 #define RCC_RTCCLKSOURCE_LSE             0x00000100U
255 #define RCC_RTCCLKSOURCE_LSI             0x00000200U
256 #define RCC_RTCCLKSOURCE_HSE_DIVX        0x00000300U
257 #define RCC_RTCCLKSOURCE_HSE_DIV2        0x00020300U
258 #define RCC_RTCCLKSOURCE_HSE_DIV3        0x00030300U
259 #define RCC_RTCCLKSOURCE_HSE_DIV4        0x00040300U
260 #define RCC_RTCCLKSOURCE_HSE_DIV5        0x00050300U
261 #define RCC_RTCCLKSOURCE_HSE_DIV6        0x00060300U
262 #define RCC_RTCCLKSOURCE_HSE_DIV7        0x00070300U
263 #define RCC_RTCCLKSOURCE_HSE_DIV8        0x00080300U
264 #define RCC_RTCCLKSOURCE_HSE_DIV9        0x00090300U
265 #define RCC_RTCCLKSOURCE_HSE_DIV10       0x000A0300U
266 #define RCC_RTCCLKSOURCE_HSE_DIV11       0x000B0300U
267 #define RCC_RTCCLKSOURCE_HSE_DIV12       0x000C0300U
268 #define RCC_RTCCLKSOURCE_HSE_DIV13       0x000D0300U
269 #define RCC_RTCCLKSOURCE_HSE_DIV14       0x000E0300U
270 #define RCC_RTCCLKSOURCE_HSE_DIV15       0x000F0300U
271 #define RCC_RTCCLKSOURCE_HSE_DIV16       0x00100300U
272 #define RCC_RTCCLKSOURCE_HSE_DIV17       0x00110300U
273 #define RCC_RTCCLKSOURCE_HSE_DIV18       0x00120300U
274 #define RCC_RTCCLKSOURCE_HSE_DIV19       0x00130300U
275 #define RCC_RTCCLKSOURCE_HSE_DIV20       0x00140300U
276 #define RCC_RTCCLKSOURCE_HSE_DIV21       0x00150300U
277 #define RCC_RTCCLKSOURCE_HSE_DIV22       0x00160300U
278 #define RCC_RTCCLKSOURCE_HSE_DIV23       0x00170300U
279 #define RCC_RTCCLKSOURCE_HSE_DIV24       0x00180300U
280 #define RCC_RTCCLKSOURCE_HSE_DIV25       0x00190300U
281 #define RCC_RTCCLKSOURCE_HSE_DIV26       0x001A0300U
282 #define RCC_RTCCLKSOURCE_HSE_DIV27       0x001B0300U
283 #define RCC_RTCCLKSOURCE_HSE_DIV28       0x001C0300U
284 #define RCC_RTCCLKSOURCE_HSE_DIV29       0x001D0300U
285 #define RCC_RTCCLKSOURCE_HSE_DIV30       0x001E0300U
286 #define RCC_RTCCLKSOURCE_HSE_DIV31       0x001F0300U
287 /**
288   * @}
289   */
290 
291 /** @defgroup RCC_MCO_Index MCO Index
292   * @{
293   */
294 #define RCC_MCO1                         0x00000000U
295 #define RCC_MCO2                         0x00000001U
296 /**
297   * @}
298   */
299 
300 /** @defgroup RCC_MCO1_Clock_Source MCO1 Clock Source
301   * @{
302   */
303 #define RCC_MCO1SOURCE_HSI               0x00000000U
304 #define RCC_MCO1SOURCE_LSE               RCC_CFGR_MCO1_0
305 #define RCC_MCO1SOURCE_HSE               RCC_CFGR_MCO1_1
306 #define RCC_MCO1SOURCE_PLLCLK            RCC_CFGR_MCO1
307 /**
308   * @}
309   */
310 
311 /** @defgroup RCC_MCOx_Clock_Prescaler MCOx Clock Prescaler
312   * @{
313   */
314 #define RCC_MCODIV_1                    0x00000000U
315 #define RCC_MCODIV_2                    RCC_CFGR_MCO1PRE_2
316 #define RCC_MCODIV_3                    ((uint32_t)RCC_CFGR_MCO1PRE_0 | RCC_CFGR_MCO1PRE_2)
317 #define RCC_MCODIV_4                    ((uint32_t)RCC_CFGR_MCO1PRE_1 | RCC_CFGR_MCO1PRE_2)
318 #define RCC_MCODIV_5                    RCC_CFGR_MCO1PRE
319 /**
320   * @}
321   */
322 
323 /** @defgroup RCC_Interrupt Interrupts
324   * @{
325   */
326 #define RCC_IT_LSIRDY                    ((uint8_t)0x01)
327 #define RCC_IT_LSERDY                    ((uint8_t)0x02)
328 #define RCC_IT_HSIRDY                    ((uint8_t)0x04)
329 #define RCC_IT_HSERDY                    ((uint8_t)0x08)
330 #define RCC_IT_PLLRDY                    ((uint8_t)0x10)
331 #define RCC_IT_PLLI2SRDY                 ((uint8_t)0x20)
332 #define RCC_IT_CSS                       ((uint8_t)0x80)
333 /**
334   * @}
335   */
336 
337 /** @defgroup RCC_Flag Flags
338   *        Elements values convention: 0XXYYYYYb
339   *           - YYYYY  : Flag position in the register
340   *           - 0XX  : Register index
341   *                 - 01: CR register
342   *                 - 10: BDCR register
343   *                 - 11: CSR register
344   * @{
345   */
346 /* Flags in the CR register */
347 #define RCC_FLAG_HSIRDY                  ((uint8_t)0x21)
348 #define RCC_FLAG_HSERDY                  ((uint8_t)0x31)
349 #define RCC_FLAG_PLLRDY                  ((uint8_t)0x39)
350 #define RCC_FLAG_PLLI2SRDY               ((uint8_t)0x3B)
351 
352 /* Flags in the BDCR register */
353 #define RCC_FLAG_LSERDY                  ((uint8_t)0x41)
354 
355 /* Flags in the CSR register */
356 #define RCC_FLAG_LSIRDY                  ((uint8_t)0x61)
357 #define RCC_FLAG_BORRST                  ((uint8_t)0x79)
358 #define RCC_FLAG_PINRST                  ((uint8_t)0x7A)
359 #define RCC_FLAG_PORRST                  ((uint8_t)0x7B)
360 #define RCC_FLAG_SFTRST                  ((uint8_t)0x7C)
361 #define RCC_FLAG_IWDGRST                 ((uint8_t)0x7D)
362 #define RCC_FLAG_WWDGRST                 ((uint8_t)0x7E)
363 #define RCC_FLAG_LPWRRST                 ((uint8_t)0x7F)
364 /**
365   * @}
366   */
367 
368 /**
369   * @}
370   */
371 
372 /* Exported macro ------------------------------------------------------------*/
373 /** @defgroup RCC_Exported_Macros RCC Exported Macros
374   * @{
375   */
376 
377 /** @defgroup RCC_AHB1_Clock_Enable_Disable AHB1 Peripheral Clock Enable Disable
378   * @brief  Enable or disable the AHB1 peripheral clock.
379   * @note   After reset, the peripheral clock (used for registers read/write access)
380   *         is disabled and the application software has to enable this clock before
381   *         using it.
382   * @{
383   */
384 #define __HAL_RCC_GPIOA_CLK_ENABLE()   do { \
385                                         __IO uint32_t tmpreg = 0x00U; \
386                                         SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOAEN);\
387                                         /* Delay after an RCC peripheral clock enabling */ \
388                                         tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOAEN);\
389                                         UNUSED(tmpreg); \
390                                           } while(0U)
391 #define __HAL_RCC_GPIOB_CLK_ENABLE()   do { \
392                                         __IO uint32_t tmpreg = 0x00U; \
393                                         SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOBEN);\
394                                         /* Delay after an RCC peripheral clock enabling */ \
395                                         tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOBEN);\
396                                         UNUSED(tmpreg); \
397                                           } while(0U)
398 #define __HAL_RCC_GPIOC_CLK_ENABLE()  do { \
399                                         __IO uint32_t tmpreg = 0x00U; \
400                                         SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOCEN);\
401                                         /* Delay after an RCC peripheral clock enabling */ \
402                                         tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOCEN);\
403                                         UNUSED(tmpreg); \
404                                           } while(0U)
405 #define __HAL_RCC_GPIOH_CLK_ENABLE()  do { \
406                                         __IO uint32_t tmpreg = 0x00U; \
407                                         SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOHEN);\
408                                         /* Delay after an RCC peripheral clock enabling */ \
409                                         tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOHEN);\
410                                         UNUSED(tmpreg); \
411                                          } while(0U)
412 #define __HAL_RCC_DMA1_CLK_ENABLE()  do { \
413                                         __IO uint32_t tmpreg = 0x00U; \
414                                         SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_DMA1EN);\
415                                         /* Delay after an RCC peripheral clock enabling */ \
416                                         tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_DMA1EN);\
417                                         UNUSED(tmpreg); \
418                                          } while(0U)
419 #define __HAL_RCC_DMA2_CLK_ENABLE()     do { \
420                                         __IO uint32_t tmpreg = 0x00U; \
421                                         SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_DMA2EN);\
422                                         /* Delay after an RCC peripheral clock enabling */ \
423                                         tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_DMA2EN);\
424                                         UNUSED(tmpreg); \
425                                           } while(0U)
426 
427 #define __HAL_RCC_GPIOA_CLK_DISABLE()        (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOAEN))
428 #define __HAL_RCC_GPIOB_CLK_DISABLE()        (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOBEN))
429 #define __HAL_RCC_GPIOC_CLK_DISABLE()        (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOCEN))
430 #define __HAL_RCC_GPIOH_CLK_DISABLE()        (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOHEN))
431 #define __HAL_RCC_DMA1_CLK_DISABLE()         (RCC->AHB1ENR &= ~(RCC_AHB1ENR_DMA1EN))
432 #define __HAL_RCC_DMA2_CLK_DISABLE()         (RCC->AHB1ENR &= ~(RCC_AHB1ENR_DMA2EN))
433 /**
434   * @}
435   */
436 
437 /** @defgroup RCC_AHB1_Peripheral_Clock_Enable_Disable_Status AHB1 Peripheral Clock Enable Disable Status
438   * @brief  Get the enable or disable status of the AHB1 peripheral clock.
439   * @note   After reset, the peripheral clock (used for registers read/write access)
440   *         is disabled and the application software has to enable this clock before
441   *         using it.
442   * @{
443   */
444 #define __HAL_RCC_GPIOA_IS_CLK_ENABLED()        ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOAEN)) != RESET)
445 #define __HAL_RCC_GPIOB_IS_CLK_ENABLED()        ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOBEN)) != RESET)
446 #define __HAL_RCC_GPIOC_IS_CLK_ENABLED()        ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOCEN)) != RESET)
447 #define __HAL_RCC_GPIOH_IS_CLK_ENABLED()        ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOHEN)) != RESET)
448 #define __HAL_RCC_DMA1_IS_CLK_ENABLED()         ((RCC->AHB1ENR &(RCC_AHB1ENR_DMA1EN)) != RESET)
449 #define __HAL_RCC_DMA2_IS_CLK_ENABLED()         ((RCC->AHB1ENR &(RCC_AHB1ENR_DMA2EN)) != RESET)
450 
451 #define __HAL_RCC_GPIOA_IS_CLK_DISABLED()       ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOAEN)) == RESET)
452 #define __HAL_RCC_GPIOB_IS_CLK_DISABLED()       ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOBEN)) == RESET)
453 #define __HAL_RCC_GPIOC_IS_CLK_DISABLED()       ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOCEN)) == RESET)
454 #define __HAL_RCC_GPIOH_IS_CLK_DISABLED()       ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOHEN)) == RESET)
455 #define __HAL_RCC_DMA1_IS_CLK_DISABLED()        ((RCC->AHB1ENR &(RCC_AHB1ENR_DMA1EN)) == RESET)
456 #define __HAL_RCC_DMA2_IS_CLK_DISABLED()        ((RCC->AHB1ENR &(RCC_AHB1ENR_DMA2EN)) == RESET)
457 /**
458   * @}
459   */
460 
461 /** @defgroup RCC_APB1_Clock_Enable_Disable APB1 Peripheral Clock Enable Disable
462   * @brief  Enable or disable the Low Speed APB (APB1) peripheral clock.
463   * @note   After reset, the peripheral clock (used for registers read/write access)
464   *         is disabled and the application software has to enable this clock before
465   *         using it.
466   * @{
467   */
468 #define __HAL_RCC_TIM5_CLK_ENABLE()     do { \
469                                         __IO uint32_t tmpreg = 0x00U; \
470                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM5EN);\
471                                         /* Delay after an RCC peripheral clock enabling */ \
472                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM5EN);\
473                                         UNUSED(tmpreg); \
474                                           } while(0U)
475 #define __HAL_RCC_WWDG_CLK_ENABLE()     do { \
476                                         __IO uint32_t tmpreg = 0x00U; \
477                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN);\
478                                         /* Delay after an RCC peripheral clock enabling */ \
479                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN);\
480                                         UNUSED(tmpreg); \
481                                           } while(0U)
482 #define __HAL_RCC_SPI2_CLK_ENABLE()     do { \
483                                         __IO uint32_t tmpreg = 0x00U; \
484                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_SPI2EN);\
485                                         /* Delay after an RCC peripheral clock enabling */ \
486                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_SPI2EN);\
487                                         UNUSED(tmpreg); \
488                                           } while(0U)
489 #define __HAL_RCC_USART2_CLK_ENABLE()     do { \
490                                         __IO uint32_t tmpreg = 0x00U; \
491                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_USART2EN);\
492                                         /* Delay after an RCC peripheral clock enabling */ \
493                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_USART2EN);\
494                                         UNUSED(tmpreg); \
495                                           } while(0U)
496 #define __HAL_RCC_I2C1_CLK_ENABLE()     do { \
497                                         __IO uint32_t tmpreg = 0x00U; \
498                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C1EN);\
499                                         /* Delay after an RCC peripheral clock enabling */ \
500                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C1EN);\
501                                         UNUSED(tmpreg); \
502                                           } while(0U)
503 #define __HAL_RCC_I2C2_CLK_ENABLE()     do { \
504                                         __IO uint32_t tmpreg = 0x00U; \
505                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C2EN);\
506                                         /* Delay after an RCC peripheral clock enabling */ \
507                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C2EN);\
508                                         UNUSED(tmpreg); \
509                                           } while(0U)
510 #define __HAL_RCC_PWR_CLK_ENABLE()     do { \
511                                         __IO uint32_t tmpreg = 0x00U; \
512                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN);\
513                                         /* Delay after an RCC peripheral clock enabling */ \
514                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN);\
515                                         UNUSED(tmpreg); \
516                                           } while(0U)
517 
518 #define __HAL_RCC_TIM5_CLK_DISABLE()   (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM5EN))
519 #define __HAL_RCC_WWDG_CLK_DISABLE()   (RCC->APB1ENR &= ~(RCC_APB1ENR_WWDGEN))
520 #define __HAL_RCC_SPI2_CLK_DISABLE()   (RCC->APB1ENR &= ~(RCC_APB1ENR_SPI2EN))
521 #define __HAL_RCC_USART2_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_USART2EN))
522 #define __HAL_RCC_I2C1_CLK_DISABLE()   (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C1EN))
523 #define __HAL_RCC_I2C2_CLK_DISABLE()   (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C2EN))
524 #define __HAL_RCC_PWR_CLK_DISABLE()    (RCC->APB1ENR &= ~(RCC_APB1ENR_PWREN))
525 /**
526   * @}
527   */
528 
529 /** @defgroup RCC_APB1_Peripheral_Clock_Enable_Disable_Status APB1 Peripheral Clock Enable Disable Status
530   * @brief  Get the enable or disable status of the APB1 peripheral clock.
531   * @note   After reset, the peripheral clock (used for registers read/write access)
532   *         is disabled and the application software has to enable this clock before
533   *         using it.
534   * @{
535   */
536 #define __HAL_RCC_TIM5_IS_CLK_ENABLED()   ((RCC->APB1ENR & (RCC_APB1ENR_TIM5EN)) != RESET)
537 #define __HAL_RCC_WWDG_IS_CLK_ENABLED()   ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) != RESET)
538 #define __HAL_RCC_SPI2_IS_CLK_ENABLED()   ((RCC->APB1ENR & (RCC_APB1ENR_SPI2EN)) != RESET)
539 #define __HAL_RCC_USART2_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_USART2EN)) != RESET)
540 #define __HAL_RCC_I2C1_IS_CLK_ENABLED()   ((RCC->APB1ENR & (RCC_APB1ENR_I2C1EN)) != RESET)
541 #define __HAL_RCC_I2C2_IS_CLK_ENABLED()   ((RCC->APB1ENR & (RCC_APB1ENR_I2C2EN)) != RESET)
542 #define __HAL_RCC_PWR_IS_CLK_ENABLED()    ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) != RESET)
543 
544 #define __HAL_RCC_TIM5_IS_CLK_DISABLED()   ((RCC->APB1ENR & (RCC_APB1ENR_TIM5EN)) == RESET)
545 #define __HAL_RCC_WWDG_IS_CLK_DISABLED()   ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) == RESET)
546 #define __HAL_RCC_SPI2_IS_CLK_DISABLED()   ((RCC->APB1ENR & (RCC_APB1ENR_SPI2EN)) == RESET)
547 #define __HAL_RCC_USART2_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_USART2EN)) == RESET)
548 #define __HAL_RCC_I2C1_IS_CLK_DISABLED()   ((RCC->APB1ENR & (RCC_APB1ENR_I2C1EN)) == RESET)
549 #define __HAL_RCC_I2C2_IS_CLK_DISABLED()   ((RCC->APB1ENR & (RCC_APB1ENR_I2C2EN)) == RESET)
550 #define __HAL_RCC_PWR_IS_CLK_DISABLED()    ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) == RESET)
551 /**
552   * @}
553   */
554 
555 /** @defgroup RCC_APB2_Clock_Enable_Disable APB2 Peripheral Clock Enable Disable
556   * @brief  Enable or disable the High Speed APB (APB2) peripheral clock.
557   * @note   After reset, the peripheral clock (used for registers read/write access)
558   *         is disabled and the application software has to enable this clock before
559   *         using it.
560   * @{
561   */
562 #define __HAL_RCC_TIM1_CLK_ENABLE()     do { \
563                                         __IO uint32_t tmpreg = 0x00U; \
564                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM1EN);\
565                                         /* Delay after an RCC peripheral clock enabling */ \
566                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM1EN);\
567                                         UNUSED(tmpreg); \
568                                           } while(0U)
569 #define __HAL_RCC_USART1_CLK_ENABLE()   do { \
570                                         __IO uint32_t tmpreg = 0x00U; \
571                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_USART1EN);\
572                                         /* Delay after an RCC peripheral clock enabling */ \
573                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_USART1EN);\
574                                         UNUSED(tmpreg); \
575                                           } while(0U)
576 #define __HAL_RCC_USART6_CLK_ENABLE()   do { \
577                                         __IO uint32_t tmpreg = 0x00U; \
578                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_USART6EN);\
579                                         /* Delay after an RCC peripheral clock enabling */ \
580                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_USART6EN);\
581                                         UNUSED(tmpreg); \
582                                           } while(0U)
583 #define __HAL_RCC_ADC1_CLK_ENABLE()     do { \
584                                         __IO uint32_t tmpreg = 0x00U; \
585                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_ADC1EN);\
586                                         /* Delay after an RCC peripheral clock enabling */ \
587                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_ADC1EN);\
588                                         UNUSED(tmpreg); \
589                                           } while(0U)
590 #define __HAL_RCC_SPI1_CLK_ENABLE()     do { \
591                                         __IO uint32_t tmpreg = 0x00U; \
592                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_SPI1EN);\
593                                         /* Delay after an RCC peripheral clock enabling */ \
594                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_SPI1EN);\
595                                         UNUSED(tmpreg); \
596                                           } while(0U)
597 #define __HAL_RCC_SYSCFG_CLK_ENABLE()   do { \
598                                         __IO uint32_t tmpreg = 0x00U; \
599                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN);\
600                                         /* Delay after an RCC peripheral clock enabling */ \
601                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN);\
602                                         UNUSED(tmpreg); \
603                                           } while(0U)
604 #define __HAL_RCC_TIM9_CLK_ENABLE()     do { \
605                                         __IO uint32_t tmpreg = 0x00U; \
606                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM9EN);\
607                                         /* Delay after an RCC peripheral clock enabling */ \
608                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM9EN);\
609                                         UNUSED(tmpreg); \
610                                           } while(0U)
611 #define __HAL_RCC_TIM11_CLK_ENABLE()    do { \
612                                         __IO uint32_t tmpreg = 0x00U; \
613                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM11EN);\
614                                         /* Delay after an RCC peripheral clock enabling */ \
615                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM11EN);\
616                                         UNUSED(tmpreg); \
617                                           } while(0U)
618 
619 #define __HAL_RCC_TIM1_CLK_DISABLE()   (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM1EN))
620 #define __HAL_RCC_USART1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_USART1EN))
621 #define __HAL_RCC_USART6_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_USART6EN))
622 #define __HAL_RCC_ADC1_CLK_DISABLE()   (RCC->APB2ENR &= ~(RCC_APB2ENR_ADC1EN))
623 #define __HAL_RCC_SPI1_CLK_DISABLE()   (RCC->APB2ENR &= ~(RCC_APB2ENR_SPI1EN))
624 #define __HAL_RCC_SYSCFG_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_SYSCFGEN))
625 #define __HAL_RCC_TIM9_CLK_DISABLE()   (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM9EN))
626 #define __HAL_RCC_TIM11_CLK_DISABLE()  (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM11EN))
627 /**
628   * @}
629   */
630 
631 /** @defgroup RCC_APB2_Peripheral_Clock_Enable_Disable_Status APB2 Peripheral Clock Enable Disable Status
632   * @brief  Get the enable or disable status of the APB2 peripheral clock.
633   * @note   After reset, the peripheral clock (used for registers read/write access)
634   *         is disabled and the application software has to enable this clock before
635   *         using it.
636   * @{
637   */
638 #define __HAL_RCC_TIM1_IS_CLK_ENABLED()   ((RCC->APB2ENR & (RCC_APB2ENR_TIM1EN)) != RESET)
639 #define __HAL_RCC_USART1_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_USART1EN)) != RESET)
640 #define __HAL_RCC_USART6_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_USART6EN)) != RESET)
641 #define __HAL_RCC_ADC1_IS_CLK_ENABLED()   ((RCC->APB2ENR & (RCC_APB2ENR_ADC1EN)) != RESET)
642 #define __HAL_RCC_SPI1_IS_CLK_ENABLED()   ((RCC->APB2ENR & (RCC_APB2ENR_SPI1EN)) != RESET)
643 #define __HAL_RCC_SYSCFG_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SYSCFGEN)) != RESET)
644 #define __HAL_RCC_TIM9_IS_CLK_ENABLED()   ((RCC->APB2ENR & (RCC_APB2ENR_TIM9EN)) != RESET)
645 #define __HAL_RCC_TIM11_IS_CLK_ENABLED()  ((RCC->APB2ENR & (RCC_APB2ENR_TIM11EN)) != RESET)
646 
647 #define __HAL_RCC_TIM1_IS_CLK_DISABLED()   ((RCC->APB2ENR & (RCC_APB2ENR_TIM1EN)) == RESET)
648 #define __HAL_RCC_USART1_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_USART1EN)) == RESET)
649 #define __HAL_RCC_USART6_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_USART6EN)) == RESET)
650 #define __HAL_RCC_ADC1_IS_CLK_DISABLED()   ((RCC->APB2ENR & (RCC_APB2ENR_ADC1EN)) == RESET)
651 #define __HAL_RCC_SPI1_IS_CLK_DISABLED()   ((RCC->APB2ENR & (RCC_APB2ENR_SPI1EN)) == RESET)
652 #define __HAL_RCC_SYSCFG_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SYSCFGEN)) == RESET)
653 #define __HAL_RCC_TIM9_IS_CLK_DISABLED()   ((RCC->APB2ENR & (RCC_APB2ENR_TIM9EN)) == RESET)
654 #define __HAL_RCC_TIM11_IS_CLK_DISABLED()  ((RCC->APB2ENR & (RCC_APB2ENR_TIM11EN)) == RESET)
655 /**
656   * @}
657   */
658 
659 /** @defgroup RCC_AHB1_Force_Release_Reset AHB1 Force Release Reset
660   * @brief  Force or release AHB1 peripheral reset.
661   * @{
662   */
663 #define __HAL_RCC_AHB1_FORCE_RESET()    (RCC->AHB1RSTR = 0xFFFFFFFFU)
664 #define __HAL_RCC_GPIOA_FORCE_RESET()   (RCC->AHB1RSTR |= (RCC_AHB1RSTR_GPIOARST))
665 #define __HAL_RCC_GPIOB_FORCE_RESET()   (RCC->AHB1RSTR |= (RCC_AHB1RSTR_GPIOBRST))
666 #define __HAL_RCC_GPIOC_FORCE_RESET()   (RCC->AHB1RSTR |= (RCC_AHB1RSTR_GPIOCRST))
667 #define __HAL_RCC_GPIOH_FORCE_RESET()   (RCC->AHB1RSTR |= (RCC_AHB1RSTR_GPIOHRST))
668 #define __HAL_RCC_DMA1_FORCE_RESET()    (RCC->AHB1RSTR |= (RCC_AHB1RSTR_DMA1RST))
669 #define __HAL_RCC_DMA2_FORCE_RESET()    (RCC->AHB1RSTR |= (RCC_AHB1RSTR_DMA2RST))
670 
671 #define __HAL_RCC_AHB1_RELEASE_RESET()  (RCC->AHB1RSTR = 0x00U)
672 #define __HAL_RCC_GPIOA_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIOARST))
673 #define __HAL_RCC_GPIOB_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIOBRST))
674 #define __HAL_RCC_GPIOC_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIOCRST))
675 #define __HAL_RCC_GPIOH_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIOHRST))
676 #define __HAL_RCC_DMA1_RELEASE_RESET()  (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_DMA1RST))
677 #define __HAL_RCC_DMA2_RELEASE_RESET()  (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_DMA2RST))
678 /**
679   * @}
680   */
681 
682 /** @defgroup RCC_APB1_Force_Release_Reset APB1 Force Release Reset
683   * @brief  Force or release APB1 peripheral reset.
684   * @{
685   */
686 #define __HAL_RCC_APB1_FORCE_RESET()     (RCC->APB1RSTR = 0xFFFFFFFFU)
687 #define __HAL_RCC_TIM5_FORCE_RESET()     (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM5RST))
688 #define __HAL_RCC_WWDG_FORCE_RESET()     (RCC->APB1RSTR |= (RCC_APB1RSTR_WWDGRST))
689 #define __HAL_RCC_SPI2_FORCE_RESET()     (RCC->APB1RSTR |= (RCC_APB1RSTR_SPI2RST))
690 #define __HAL_RCC_USART2_FORCE_RESET()   (RCC->APB1RSTR |= (RCC_APB1RSTR_USART2RST))
691 #define __HAL_RCC_I2C1_FORCE_RESET()     (RCC->APB1RSTR |= (RCC_APB1RSTR_I2C1RST))
692 #define __HAL_RCC_I2C2_FORCE_RESET()     (RCC->APB1RSTR |= (RCC_APB1RSTR_I2C2RST))
693 #define __HAL_RCC_PWR_FORCE_RESET()      (RCC->APB1RSTR |= (RCC_APB1RSTR_PWRRST))
694 
695 #define __HAL_RCC_APB1_RELEASE_RESET()   (RCC->APB1RSTR = 0x00U)
696 #define __HAL_RCC_TIM5_RELEASE_RESET()   (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM5RST))
697 #define __HAL_RCC_WWDG_RELEASE_RESET()   (RCC->APB1RSTR &= ~(RCC_APB1RSTR_WWDGRST))
698 #define __HAL_RCC_SPI2_RELEASE_RESET()   (RCC->APB1RSTR &= ~(RCC_APB1RSTR_SPI2RST))
699 #define __HAL_RCC_USART2_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_USART2RST))
700 #define __HAL_RCC_I2C1_RELEASE_RESET()   (RCC->APB1RSTR &= ~(RCC_APB1RSTR_I2C1RST))
701 #define __HAL_RCC_I2C2_RELEASE_RESET()   (RCC->APB1RSTR &= ~(RCC_APB1RSTR_I2C2RST))
702 #define __HAL_RCC_PWR_RELEASE_RESET()    (RCC->APB1RSTR &= ~(RCC_APB1RSTR_PWRRST))
703 /**
704   * @}
705   */
706 
707 /** @defgroup RCC_APB2_Force_Release_Reset APB2 Force Release Reset
708   * @brief  Force or release APB2 peripheral reset.
709   * @{
710   */
711 #define __HAL_RCC_APB2_FORCE_RESET()     (RCC->APB2RSTR = 0xFFFFFFFFU)
712 #define __HAL_RCC_TIM1_FORCE_RESET()     (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM1RST))
713 #define __HAL_RCC_USART1_FORCE_RESET()   (RCC->APB2RSTR |= (RCC_APB2RSTR_USART1RST))
714 #define __HAL_RCC_USART6_FORCE_RESET()   (RCC->APB2RSTR |= (RCC_APB2RSTR_USART6RST))
715 #define __HAL_RCC_ADC_FORCE_RESET()      (RCC->APB2RSTR |= (RCC_APB2RSTR_ADCRST))
716 #define __HAL_RCC_SPI1_FORCE_RESET()     (RCC->APB2RSTR |= (RCC_APB2RSTR_SPI1RST))
717 #define __HAL_RCC_SYSCFG_FORCE_RESET()   (RCC->APB2RSTR |= (RCC_APB2RSTR_SYSCFGRST))
718 #define __HAL_RCC_TIM9_FORCE_RESET()     (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM9RST))
719 #define __HAL_RCC_TIM11_FORCE_RESET()    (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM11RST))
720 
721 #define __HAL_RCC_APB2_RELEASE_RESET()   (RCC->APB2RSTR = 0x00U)
722 #define __HAL_RCC_TIM1_RELEASE_RESET()   (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM1RST))
723 #define __HAL_RCC_USART1_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_USART1RST))
724 #define __HAL_RCC_USART6_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_USART6RST))
725 #define __HAL_RCC_ADC_RELEASE_RESET()    (RCC->APB2RSTR &= ~(RCC_APB2RSTR_ADCRST))
726 #define __HAL_RCC_SPI1_RELEASE_RESET()   (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SPI1RST))
727 #define __HAL_RCC_SYSCFG_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SYSCFGRST))
728 #define __HAL_RCC_TIM9_RELEASE_RESET()   (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM9RST))
729 #define __HAL_RCC_TIM11_RELEASE_RESET()  (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM11RST))
730 /**
731   * @}
732   */
733 
734 /** @defgroup RCC_AHB1_LowPower_Enable_Disable AHB1 Peripheral Low Power Enable Disable
735   * @brief  Enable or disable the AHB1 peripheral clock during Low Power (Sleep) mode.
736   * @note   Peripheral clock gating in SLEEP mode can be used to further reduce
737   *         power consumption.
738   * @note   After wake-up from SLEEP mode, the peripheral clock is enabled again.
739   * @note   By default, all peripheral clocks are enabled during SLEEP mode.
740   * @{
741   */
742 #define __HAL_RCC_GPIOA_CLK_SLEEP_ENABLE()    (RCC->AHB1LPENR |= (RCC_AHB1LPENR_GPIOALPEN))
743 #define __HAL_RCC_GPIOB_CLK_SLEEP_ENABLE()    (RCC->AHB1LPENR |= (RCC_AHB1LPENR_GPIOBLPEN))
744 #define __HAL_RCC_GPIOC_CLK_SLEEP_ENABLE()    (RCC->AHB1LPENR |= (RCC_AHB1LPENR_GPIOCLPEN))
745 #define __HAL_RCC_GPIOH_CLK_SLEEP_ENABLE()    (RCC->AHB1LPENR |= (RCC_AHB1LPENR_GPIOHLPEN))
746 #define __HAL_RCC_DMA1_CLK_SLEEP_ENABLE()     (RCC->AHB1LPENR |= (RCC_AHB1LPENR_DMA1LPEN))
747 #define __HAL_RCC_DMA2_CLK_SLEEP_ENABLE()     (RCC->AHB1LPENR |= (RCC_AHB1LPENR_DMA2LPEN))
748 
749 #define __HAL_RCC_GPIOA_CLK_SLEEP_DISABLE()   (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_GPIOALPEN))
750 #define __HAL_RCC_GPIOB_CLK_SLEEP_DISABLE()   (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_GPIOBLPEN))
751 #define __HAL_RCC_GPIOC_CLK_SLEEP_DISABLE()   (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_GPIOCLPEN))
752 #define __HAL_RCC_GPIOH_CLK_SLEEP_DISABLE()   (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_GPIOHLPEN))
753 #define __HAL_RCC_DMA1_CLK_SLEEP_DISABLE()    (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_DMA1LPEN))
754 #define __HAL_RCC_DMA2_CLK_SLEEP_DISABLE()    (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_DMA2LPEN))
755 /**
756   * @}
757   */
758 
759 /** @defgroup RCC_APB1_LowPower_Enable_Disable APB1 Peripheral Low Power Enable Disable
760   * @brief  Enable or disable the APB1 peripheral clock during Low Power (Sleep) mode.
761   * @note   Peripheral clock gating in SLEEP mode can be used to further reduce
762   *         power consumption.
763   * @note   After wake-up from SLEEP mode, the peripheral clock is enabled again.
764   * @note   By default, all peripheral clocks are enabled during SLEEP mode.
765   * @{
766   */
767 #define __HAL_RCC_TIM5_CLK_SLEEP_ENABLE()    (RCC->APB1LPENR |= (RCC_APB1LPENR_TIM5LPEN))
768 #define __HAL_RCC_WWDG_CLK_SLEEP_ENABLE()    (RCC->APB1LPENR |= (RCC_APB1LPENR_WWDGLPEN))
769 #define __HAL_RCC_SPI2_CLK_SLEEP_ENABLE()    (RCC->APB1LPENR |= (RCC_APB1LPENR_SPI2LPEN))
770 #define __HAL_RCC_USART2_CLK_SLEEP_ENABLE()  (RCC->APB1LPENR |= (RCC_APB1LPENR_USART2LPEN))
771 #define __HAL_RCC_I2C1_CLK_SLEEP_ENABLE()    (RCC->APB1LPENR |= (RCC_APB1LPENR_I2C1LPEN))
772 #define __HAL_RCC_I2C2_CLK_SLEEP_ENABLE()    (RCC->APB1LPENR |= (RCC_APB1LPENR_I2C2LPEN))
773 #define __HAL_RCC_PWR_CLK_SLEEP_ENABLE()     (RCC->APB1LPENR |= (RCC_APB1LPENR_PWRLPEN))
774 
775 #define __HAL_RCC_TIM5_CLK_SLEEP_DISABLE()   (RCC->APB1LPENR &= ~(RCC_APB1LPENR_TIM5LPEN))
776 #define __HAL_RCC_WWDG_CLK_SLEEP_DISABLE()   (RCC->APB1LPENR &= ~(RCC_APB1LPENR_WWDGLPEN))
777 #define __HAL_RCC_SPI2_CLK_SLEEP_DISABLE()   (RCC->APB1LPENR &= ~(RCC_APB1LPENR_SPI2LPEN))
778 #define __HAL_RCC_USART2_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_USART2LPEN))
779 #define __HAL_RCC_I2C1_CLK_SLEEP_DISABLE()   (RCC->APB1LPENR &= ~(RCC_APB1LPENR_I2C1LPEN))
780 #define __HAL_RCC_I2C2_CLK_SLEEP_DISABLE()   (RCC->APB1LPENR &= ~(RCC_APB1LPENR_I2C2LPEN))
781 #define __HAL_RCC_PWR_CLK_SLEEP_DISABLE()    (RCC->APB1LPENR &= ~(RCC_APB1LPENR_PWRLPEN))
782 /**
783   * @}
784   */
785 
786 /** @defgroup RCC_APB2_LowPower_Enable_Disable APB2 Peripheral Low Power Enable Disable
787   * @brief  Enable or disable the APB2 peripheral clock during Low Power (Sleep) mode.
788   * @note   Peripheral clock gating in SLEEP mode can be used to further reduce
789   *         power consumption.
790   * @note   After wake-up from SLEEP mode, the peripheral clock is enabled again.
791   * @note   By default, all peripheral clocks are enabled during SLEEP mode.
792   * @{
793   */
794 #define __HAL_RCC_TIM1_CLK_SLEEP_ENABLE()    (RCC->APB2LPENR |= (RCC_APB2LPENR_TIM1LPEN))
795 #define __HAL_RCC_USART1_CLK_SLEEP_ENABLE()  (RCC->APB2LPENR |= (RCC_APB2LPENR_USART1LPEN))
796 #define __HAL_RCC_USART6_CLK_SLEEP_ENABLE()  (RCC->APB2LPENR |= (RCC_APB2LPENR_USART6LPEN))
797 #define __HAL_RCC_ADC1_CLK_SLEEP_ENABLE()    (RCC->APB2LPENR |= (RCC_APB2LPENR_ADC1LPEN))
798 #define __HAL_RCC_SPI1_CLK_SLEEP_ENABLE()    (RCC->APB2LPENR |= (RCC_APB2LPENR_SPI1LPEN))
799 #define __HAL_RCC_SYSCFG_CLK_SLEEP_ENABLE()  (RCC->APB2LPENR |= (RCC_APB2LPENR_SYSCFGLPEN))
800 #define __HAL_RCC_TIM9_CLK_SLEEP_ENABLE()    (RCC->APB2LPENR |= (RCC_APB2LPENR_TIM9LPEN))
801 #define __HAL_RCC_TIM11_CLK_SLEEP_ENABLE()   (RCC->APB2LPENR |= (RCC_APB2LPENR_TIM11LPEN))
802 
803 #define __HAL_RCC_TIM1_CLK_SLEEP_DISABLE()   (RCC->APB2LPENR &= ~(RCC_APB2LPENR_TIM1LPEN))
804 #define __HAL_RCC_USART1_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_USART1LPEN))
805 #define __HAL_RCC_USART6_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_USART6LPEN))
806 #define __HAL_RCC_ADC1_CLK_SLEEP_DISABLE()   (RCC->APB2LPENR &= ~(RCC_APB2LPENR_ADC1LPEN))
807 #define __HAL_RCC_SPI1_CLK_SLEEP_DISABLE()   (RCC->APB2LPENR &= ~(RCC_APB2LPENR_SPI1LPEN))
808 #define __HAL_RCC_SYSCFG_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_SYSCFGLPEN))
809 #define __HAL_RCC_TIM9_CLK_SLEEP_DISABLE()   (RCC->APB2LPENR &= ~(RCC_APB2LPENR_TIM9LPEN))
810 #define __HAL_RCC_TIM11_CLK_SLEEP_DISABLE()  (RCC->APB2LPENR &= ~(RCC_APB2LPENR_TIM11LPEN))
811 /**
812   * @}
813   */
814 
815 /** @defgroup RCC_HSI_Configuration HSI Configuration
816   * @{
817   */
818 
819 /** @brief  Macros to enable or disable the Internal High Speed oscillator (HSI).
820   * @note   The HSI is stopped by hardware when entering STOP and STANDBY modes.
821   *         It is used (enabled by hardware) as system clock source after startup
822   *         from Reset, wake-up from STOP and STANDBY mode, or in case of failure
823   *         of the HSE used directly or indirectly as system clock (if the Clock
824   *         Security System CSS is enabled).
825   * @note   HSI can not be stopped if it is used as system clock source. In this case,
826   *         you have to select another source of the system clock then stop the HSI.
827   * @note   After enabling the HSI, the application software should wait on HSIRDY
828   *         flag to be set indicating that HSI clock is stable and can be used as
829   *         system clock source.
830   *         This parameter can be: ENABLE or DISABLE.
831   * @note   When the HSI is stopped, HSIRDY flag goes low after 6 HSI oscillator
832   *         clock cycles.
833   */
834 #define __HAL_RCC_HSI_ENABLE() (*(__IO uint32_t *) RCC_CR_HSION_BB = ENABLE)
835 #define __HAL_RCC_HSI_DISABLE() (*(__IO uint32_t *) RCC_CR_HSION_BB = DISABLE)
836 
837 /** @brief  Macro to adjust the Internal High Speed oscillator (HSI) calibration value.
838   * @note   The calibration is used to compensate for the variations in voltage
839   *         and temperature that influence the frequency of the internal HSI RC.
840   * @param  __HSICalibrationValue__ specifies the calibration trimming value.
841   *         (default is RCC_HSICALIBRATION_DEFAULT).
842   *         This parameter must be a number between 0 and 0x1F.
843   */
844 #define __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(__HSICalibrationValue__) (MODIFY_REG(RCC->CR,\
845         RCC_CR_HSITRIM, (uint32_t)(__HSICalibrationValue__) << RCC_CR_HSITRIM_Pos))
846 /**
847   * @}
848   */
849 
850 /** @defgroup RCC_LSI_Configuration LSI Configuration
851   * @{
852   */
853 
854 /** @brief  Macros to enable or disable the Internal Low Speed oscillator (LSI).
855   * @note   After enabling the LSI, the application software should wait on
856   *         LSIRDY flag to be set indicating that LSI clock is stable and can
857   *         be used to clock the IWDG and/or the RTC.
858   * @note   LSI can not be disabled if the IWDG is running.
859   * @note   When the LSI is stopped, LSIRDY flag goes low after 6 LSI oscillator
860   *         clock cycles.
861   */
862 #define __HAL_RCC_LSI_ENABLE() (*(__IO uint32_t *) RCC_CSR_LSION_BB = ENABLE)
863 #define __HAL_RCC_LSI_DISABLE() (*(__IO uint32_t *) RCC_CSR_LSION_BB = DISABLE)
864 /**
865   * @}
866   */
867 
868 /** @defgroup RCC_HSE_Configuration HSE Configuration
869   * @{
870   */
871 
872 /**
873   * @brief  Macro to configure the External High Speed oscillator (HSE).
874   * @note   Transition HSE Bypass to HSE On and HSE On to HSE Bypass are not supported by this macro.
875   *         User should request a transition to HSE Off first and then HSE On or HSE Bypass.
876   * @note   After enabling the HSE (RCC_HSE_ON or RCC_HSE_Bypass), the application
877   *         software should wait on HSERDY flag to be set indicating that HSE clock
878   *         is stable and can be used to clock the PLL and/or system clock.
879   * @note   HSE state can not be changed if it is used directly or through the
880   *         PLL as system clock. In this case, you have to select another source
881   *         of the system clock then change the HSE state (ex. disable it).
882   * @note   The HSE is stopped by hardware when entering STOP and STANDBY modes.
883   * @note   This function reset the CSSON bit, so if the clock security system(CSS)
884   *         was previously enabled you have to enable it again after calling this
885   *         function.
886   * @param  __STATE__ specifies the new state of the HSE.
887   *         This parameter can be one of the following values:
888   *            @arg RCC_HSE_OFF: turn OFF the HSE oscillator, HSERDY flag goes low after
889   *                              6 HSE oscillator clock cycles.
890   *            @arg RCC_HSE_ON: turn ON the HSE oscillator.
891   *            @arg RCC_HSE_BYPASS: HSE oscillator bypassed with external clock.
892   */
893 #define __HAL_RCC_HSE_CONFIG(__STATE__)                         \
894                     do {                                        \
895                       if ((__STATE__) == RCC_HSE_ON)            \
896                       {                                         \
897                         SET_BIT(RCC->CR, RCC_CR_HSEON);         \
898                       }                                         \
899                       else if ((__STATE__) == RCC_HSE_BYPASS)   \
900                       {                                         \
901                         SET_BIT(RCC->CR, RCC_CR_HSEBYP);        \
902                         SET_BIT(RCC->CR, RCC_CR_HSEON);         \
903                       }                                         \
904                       else                                      \
905                       {                                         \
906                         CLEAR_BIT(RCC->CR, RCC_CR_HSEON);       \
907                         CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP);      \
908                       }                                         \
909                     } while(0U)
910 /**
911   * @}
912   */
913 
914 /** @defgroup RCC_LSE_Configuration LSE Configuration
915   * @{
916   */
917 
918 /**
919   * @brief  Macro to configure the External Low Speed oscillator (LSE).
920   * @note   Transition LSE Bypass to LSE On and LSE On to LSE Bypass are not supported by this macro.
921   *         User should request a transition to LSE Off first and then LSE On or LSE Bypass.
922   * @note   As the LSE is in the Backup domain and write access is denied to
923   *         this domain after reset, you have to enable write access using
924   *         HAL_PWR_EnableBkUpAccess() function before to configure the LSE
925   *         (to be done once after reset).
926   * @note   After enabling the LSE (RCC_LSE_ON or RCC_LSE_BYPASS), the application
927   *         software should wait on LSERDY flag to be set indicating that LSE clock
928   *         is stable and can be used to clock the RTC.
929   * @param  __STATE__ specifies the new state of the LSE.
930   *         This parameter can be one of the following values:
931   *            @arg RCC_LSE_OFF: turn OFF the LSE oscillator, LSERDY flag goes low after
932   *                              6 LSE oscillator clock cycles.
933   *            @arg RCC_LSE_ON: turn ON the LSE oscillator.
934   *            @arg RCC_LSE_BYPASS: LSE oscillator bypassed with external clock.
935   */
936 #define __HAL_RCC_LSE_CONFIG(__STATE__) \
937                     do {                                       \
938                       if((__STATE__) == RCC_LSE_ON)            \
939                       {                                        \
940                         SET_BIT(RCC->BDCR, RCC_BDCR_LSEON);    \
941                       }                                        \
942                       else if((__STATE__) == RCC_LSE_BYPASS)   \
943                       {                                        \
944                         SET_BIT(RCC->BDCR, RCC_BDCR_LSEBYP);   \
945                         SET_BIT(RCC->BDCR, RCC_BDCR_LSEON);    \
946                       }                                        \
947                       else                                     \
948                       {                                        \
949                         CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON);  \
950                         CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP); \
951                       }                                        \
952                     } while(0U)
953 /**
954   * @}
955   */
956 
957 /** @defgroup RCC_Internal_RTC_Clock_Configuration RTC Clock Configuration
958   * @{
959   */
960 
961 /** @brief  Macros to enable or disable the RTC clock.
962   * @note   These macros must be used only after the RTC clock source was selected.
963   */
964 #define __HAL_RCC_RTC_ENABLE() (*(__IO uint32_t *) RCC_BDCR_RTCEN_BB = ENABLE)
965 #define __HAL_RCC_RTC_DISABLE() (*(__IO uint32_t *) RCC_BDCR_RTCEN_BB = DISABLE)
966 
967 /** @brief  Macros to configure the RTC clock (RTCCLK).
968   * @note   As the RTC clock configuration bits are in the Backup domain and write
969   *         access is denied to this domain after reset, you have to enable write
970   *         access using the Power Backup Access macro before to configure
971   *         the RTC clock source (to be done once after reset).
972   * @note   Once the RTC clock is configured it can't be changed unless the
973   *         Backup domain is reset using __HAL_RCC_BackupReset_RELEASE() macro, or by
974   *         a Power On Reset (POR).
975   * @param  __RTCCLKSource__ specifies the RTC clock source.
976   *         This parameter can be one of the following values:
977   *            @arg @ref RCC_RTCCLKSOURCE_NO_CLK : No clock selected as RTC clock.
978   *            @arg @ref RCC_RTCCLKSOURCE_LSE : LSE selected as RTC clock.
979   *            @arg @ref RCC_RTCCLKSOURCE_LSI : LSI selected as RTC clock.
980   *            @arg @ref RCC_RTCCLKSOURCE_HSE_DIVX HSE divided by X selected as RTC clock (X can be retrieved thanks to @ref __HAL_RCC_GET_RTC_HSE_PRESCALER()
981   * @note   If the LSE or LSI is used as RTC clock source, the RTC continues to
982   *         work in STOP and STANDBY modes, and can be used as wake-up source.
983   *         However, when the HSE clock is used as RTC clock source, the RTC
984   *         cannot be used in STOP and STANDBY modes.
985   * @note   The maximum input clock frequency for RTC is 1MHz (when using HSE as
986   *         RTC clock source).
987   */
988 #define __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__) (((__RTCCLKSource__) & RCC_BDCR_RTCSEL) == RCC_BDCR_RTCSEL) ?    \
989                                                  MODIFY_REG(RCC->CFGR, RCC_CFGR_RTCPRE, ((__RTCCLKSource__) & 0xFFFFCFFU)) : CLEAR_BIT(RCC->CFGR, RCC_CFGR_RTCPRE)
990 
991 #define __HAL_RCC_RTC_CONFIG(__RTCCLKSource__) do { __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__);    \
992                                                     RCC->BDCR |= ((__RTCCLKSource__) & 0x00000FFFU);  \
993                                                    } while(0U)
994 
995 /** @brief Macro to get the RTC clock source.
996   * @retval The clock source can be one of the following values:
997   *            @arg @ref RCC_RTCCLKSOURCE_NO_CLK No clock selected as RTC clock
998   *            @arg @ref RCC_RTCCLKSOURCE_LSE LSE selected as RTC clock
999   *            @arg @ref RCC_RTCCLKSOURCE_LSI LSI selected as RTC clock
1000   *            @arg @ref RCC_RTCCLKSOURCE_HSE_DIVX HSE divided by X selected as RTC clock (X can be retrieved thanks to @ref __HAL_RCC_GET_RTC_HSE_PRESCALER()
1001   */
1002 #define __HAL_RCC_GET_RTC_SOURCE() (READ_BIT(RCC->BDCR, RCC_BDCR_RTCSEL))
1003 
1004 /**
1005   * @brief   Get the RTC and HSE clock divider (RTCPRE).
1006   * @retval Returned value can be one of the following values:
1007  *            @arg @ref RCC_RTCCLKSOURCE_HSE_DIVX HSE divided by X selected as RTC clock (X can be retrieved thanks to @ref __HAL_RCC_GET_RTC_HSE_PRESCALER()
1008   */
1009 #define  __HAL_RCC_GET_RTC_HSE_PRESCALER() (READ_BIT(RCC->CFGR, RCC_CFGR_RTCPRE) | RCC_BDCR_RTCSEL)
1010 
1011 /** @brief  Macros to force or release the Backup domain reset.
1012   * @note   This function resets the RTC peripheral (including the backup registers)
1013   *         and the RTC clock source selection in RCC_CSR register.
1014   * @note   The BKPSRAM is not affected by this reset.
1015   */
1016 #define __HAL_RCC_BACKUPRESET_FORCE() (*(__IO uint32_t *) RCC_BDCR_BDRST_BB = ENABLE)
1017 #define __HAL_RCC_BACKUPRESET_RELEASE() (*(__IO uint32_t *) RCC_BDCR_BDRST_BB = DISABLE)
1018 /**
1019   * @}
1020   */
1021 
1022 /** @defgroup RCC_PLL_Configuration PLL Configuration
1023   * @{
1024   */
1025 
1026 /** @brief  Macros to enable or disable the main PLL.
1027   * @note   After enabling the main PLL, the application software should wait on
1028   *         PLLRDY flag to be set indicating that PLL clock is stable and can
1029   *         be used as system clock source.
1030   * @note   The main PLL can not be disabled if it is used as system clock source
1031   * @note   The main PLL is disabled by hardware when entering STOP and STANDBY modes.
1032   */
1033 #define __HAL_RCC_PLL_ENABLE() (*(__IO uint32_t *) RCC_CR_PLLON_BB = ENABLE)
1034 #define __HAL_RCC_PLL_DISABLE() (*(__IO uint32_t *) RCC_CR_PLLON_BB = DISABLE)
1035 
1036 /** @brief  Macro to configure the PLL clock source.
1037   * @note   This function must be used only when the main PLL is disabled.
1038   * @param  __PLLSOURCE__ specifies the PLL entry clock source.
1039   *         This parameter can be one of the following values:
1040   *            @arg RCC_PLLSOURCE_HSI: HSI oscillator clock selected as PLL clock entry
1041   *            @arg RCC_PLLSOURCE_HSE: HSE oscillator clock selected as PLL clock entry
1042   *
1043   */
1044 #define __HAL_RCC_PLL_PLLSOURCE_CONFIG(__PLLSOURCE__) MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC, (__PLLSOURCE__))
1045 
1046 /** @brief  Macro to configure the PLL multiplication factor.
1047   * @note   This function must be used only when the main PLL is disabled.
1048   * @param  __PLLM__ specifies the division factor for PLL VCO input clock
1049   *         This parameter must be a number between Min_Data = 2 and Max_Data = 63.
1050   * @note   You have to set the PLLM parameter correctly to ensure that the VCO input
1051   *         frequency ranges from 1 to 2 MHz. It is recommended to select a frequency
1052   *         of 2 MHz to limit PLL jitter.
1053   *
1054   */
1055 #define __HAL_RCC_PLL_PLLM_CONFIG(__PLLM__) MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLM, (__PLLM__))
1056 /**
1057   * @}
1058   */
1059 
1060 /** @defgroup RCC_Get_Clock_source Get Clock source
1061   * @{
1062   */
1063 /**
1064   * @brief Macro to configure the system clock source.
1065   * @param __RCC_SYSCLKSOURCE__ specifies the system clock source.
1066   * This parameter can be one of the following values:
1067   *              - RCC_SYSCLKSOURCE_HSI: HSI oscillator is used as system clock source.
1068   *              - RCC_SYSCLKSOURCE_HSE: HSE oscillator is used as system clock source.
1069   *              - RCC_SYSCLKSOURCE_PLLCLK: PLL output is used as system clock source.
1070   *              - RCC_SYSCLKSOURCE_PLLRCLK: PLLR output is used as system clock source. This
1071   *                parameter is available only for STM32F446xx devices.
1072   */
1073 #define __HAL_RCC_SYSCLK_CONFIG(__RCC_SYSCLKSOURCE__) MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, (__RCC_SYSCLKSOURCE__))
1074 
1075 /** @brief  Macro to get the clock source used as system clock.
1076   * @retval The clock source used as system clock. The returned value can be one
1077   *         of the following:
1078   *              - RCC_SYSCLKSOURCE_STATUS_HSI: HSI used as system clock.
1079   *              - RCC_SYSCLKSOURCE_STATUS_HSE: HSE used as system clock.
1080   *              - RCC_SYSCLKSOURCE_STATUS_PLLCLK: PLL used as system clock.
1081   *              - RCC_SYSCLKSOURCE_STATUS_PLLRCLK: PLLR used as system clock. This parameter
1082   *                is available only for STM32F446xx devices.
1083   */
1084 #define __HAL_RCC_GET_SYSCLK_SOURCE() (RCC->CFGR & RCC_CFGR_SWS)
1085 
1086 /** @brief  Macro to get the oscillator used as PLL clock source.
1087   * @retval The oscillator used as PLL clock source. The returned value can be one
1088   *         of the following:
1089   *              - RCC_PLLSOURCE_HSI: HSI oscillator is used as PLL clock source.
1090   *              - RCC_PLLSOURCE_HSE: HSE oscillator is used as PLL clock source.
1091   */
1092 #define __HAL_RCC_GET_PLL_OSCSOURCE() ((uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC))
1093 /**
1094   * @}
1095   */
1096 
1097 /** @defgroup RCCEx_MCOx_Clock_Config RCC Extended MCOx Clock Config
1098   * @{
1099   */
1100 
1101 /** @brief  Macro to configure the MCO1 clock.
1102   * @param  __MCOCLKSOURCE__ specifies the MCO clock source.
1103   *          This parameter can be one of the following values:
1104   *            @arg RCC_MCO1SOURCE_HSI: HSI clock selected as MCO1 source
1105   *            @arg RCC_MCO1SOURCE_LSE: LSE clock selected as MCO1 source
1106   *            @arg RCC_MCO1SOURCE_HSE: HSE clock selected as MCO1 source
1107   *            @arg RCC_MCO1SOURCE_PLLCLK: main PLL clock selected as MCO1 source
1108   * @param  __MCODIV__ specifies the MCO clock prescaler.
1109   *          This parameter can be one of the following values:
1110   *            @arg RCC_MCODIV_1: no division applied to MCOx clock
1111   *            @arg RCC_MCODIV_2: division by 2 applied to MCOx clock
1112   *            @arg RCC_MCODIV_3: division by 3 applied to MCOx clock
1113   *            @arg RCC_MCODIV_4: division by 4 applied to MCOx clock
1114   *            @arg RCC_MCODIV_5: division by 5 applied to MCOx clock
1115   */
1116 #define __HAL_RCC_MCO1_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \
1117                  MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO1 | RCC_CFGR_MCO1PRE), ((__MCOCLKSOURCE__) | (__MCODIV__)))
1118 
1119 /** @brief  Macro to configure the MCO2 clock.
1120   * @param  __MCOCLKSOURCE__ specifies the MCO clock source.
1121   *          This parameter can be one of the following values:
1122   *            @arg RCC_MCO2SOURCE_SYSCLK: System clock (SYSCLK) selected as MCO2 source
1123   *            @arg RCC_MCO2SOURCE_PLLI2SCLK: PLLI2S clock selected as MCO2 source, available for all STM32F4 devices except STM32F410xx
1124   *            @arg RCC_MCO2SOURCE_I2SCLK: I2SCLK clock selected as MCO2 source, available only for STM32F410Rx devices
1125   *            @arg RCC_MCO2SOURCE_HSE: HSE clock selected as MCO2 source
1126   *            @arg RCC_MCO2SOURCE_PLLCLK: main PLL clock selected as MCO2 source
1127   * @param  __MCODIV__ specifies the MCO clock prescaler.
1128   *          This parameter can be one of the following values:
1129   *            @arg RCC_MCODIV_1: no division applied to MCOx clock
1130   *            @arg RCC_MCODIV_2: division by 2 applied to MCOx clock
1131   *            @arg RCC_MCODIV_3: division by 3 applied to MCOx clock
1132   *            @arg RCC_MCODIV_4: division by 4 applied to MCOx clock
1133   *            @arg RCC_MCODIV_5: division by 5 applied to MCOx clock
1134   * @note  For STM32F410Rx devices, to output I2SCLK clock on MCO2, you should have
1135   *        at least one of the SPI clocks enabled (SPI1, SPI2 or SPI5).
1136   */
1137 #define __HAL_RCC_MCO2_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \
1138     MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO2 | RCC_CFGR_MCO2PRE), ((__MCOCLKSOURCE__) | ((__MCODIV__) << 3U)));
1139 /**
1140   * @}
1141   */
1142 
1143 /** @defgroup RCC_Flags_Interrupts_Management Flags Interrupts Management
1144   * @brief macros to manage the specified RCC Flags and interrupts.
1145   * @{
1146   */
1147 
1148 /** @brief  Enable RCC interrupt (Perform Byte access to RCC_CIR[14:8] bits to enable
1149   *         the selected interrupts).
1150   * @param  __INTERRUPT__ specifies the RCC interrupt sources to be enabled.
1151   *         This parameter can be any combination of the following values:
1152   *            @arg RCC_IT_LSIRDY: LSI ready interrupt.
1153   *            @arg RCC_IT_LSERDY: LSE ready interrupt.
1154   *            @arg RCC_IT_HSIRDY: HSI ready interrupt.
1155   *            @arg RCC_IT_HSERDY: HSE ready interrupt.
1156   *            @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
1157   *            @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
1158   */
1159 #define __HAL_RCC_ENABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS |= (__INTERRUPT__))
1160 
1161 /** @brief Disable RCC interrupt (Perform Byte access to RCC_CIR[14:8] bits to disable
1162   *        the selected interrupts).
1163   * @param  __INTERRUPT__ specifies the RCC interrupt sources to be disabled.
1164   *         This parameter can be any combination of the following values:
1165   *            @arg RCC_IT_LSIRDY: LSI ready interrupt.
1166   *            @arg RCC_IT_LSERDY: LSE ready interrupt.
1167   *            @arg RCC_IT_HSIRDY: HSI ready interrupt.
1168   *            @arg RCC_IT_HSERDY: HSE ready interrupt.
1169   *            @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
1170   *            @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
1171   */
1172 #define __HAL_RCC_DISABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS &= (uint8_t)(~(__INTERRUPT__)))
1173 
1174 /** @brief  Clear the RCC's interrupt pending bits (Perform Byte access to RCC_CIR[23:16]
1175   *         bits to clear the selected interrupt pending bits.
1176   * @param  __INTERRUPT__ specifies the interrupt pending bit to clear.
1177   *         This parameter can be any combination of the following values:
1178   *            @arg RCC_IT_LSIRDY: LSI ready interrupt.
1179   *            @arg RCC_IT_LSERDY: LSE ready interrupt.
1180   *            @arg RCC_IT_HSIRDY: HSI ready interrupt.
1181   *            @arg RCC_IT_HSERDY: HSE ready interrupt.
1182   *            @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
1183   *            @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
1184   *            @arg RCC_IT_CSS: Clock Security System interrupt
1185   */
1186 #define __HAL_RCC_CLEAR_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE2_ADDRESS = (__INTERRUPT__))
1187 
1188 /** @brief  Check the RCC's interrupt has occurred or not.
1189   * @param  __INTERRUPT__ specifies the RCC interrupt source to check.
1190   *         This parameter can be one of the following values:
1191   *            @arg RCC_IT_LSIRDY: LSI ready interrupt.
1192   *            @arg RCC_IT_LSERDY: LSE ready interrupt.
1193   *            @arg RCC_IT_HSIRDY: HSI ready interrupt.
1194   *            @arg RCC_IT_HSERDY: HSE ready interrupt.
1195   *            @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
1196   *            @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
1197   *            @arg RCC_IT_CSS: Clock Security System interrupt
1198   * @retval The new state of __INTERRUPT__ (TRUE or FALSE).
1199   */
1200 #define __HAL_RCC_GET_IT(__INTERRUPT__) ((RCC->CIR & (__INTERRUPT__)) == (__INTERRUPT__))
1201 
1202 /** @brief Set RMVF bit to clear the reset flags: RCC_FLAG_PINRST, RCC_FLAG_PORRST,
1203   *        RCC_FLAG_SFTRST, RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST and RCC_FLAG_LPWRRST.
1204   */
1205 #define __HAL_RCC_CLEAR_RESET_FLAGS() (RCC->CSR |= RCC_CSR_RMVF)
1206 
1207 /** @brief  Check RCC flag is set or not.
1208   * @param  __FLAG__ specifies the flag to check.
1209   *         This parameter can be one of the following values:
1210   *            @arg RCC_FLAG_HSIRDY: HSI oscillator clock ready.
1211   *            @arg RCC_FLAG_HSERDY: HSE oscillator clock ready.
1212   *            @arg RCC_FLAG_PLLRDY: Main PLL clock ready.
1213   *            @arg RCC_FLAG_PLLI2SRDY: PLLI2S clock ready.
1214   *            @arg RCC_FLAG_LSERDY: LSE oscillator clock ready.
1215   *            @arg RCC_FLAG_LSIRDY: LSI oscillator clock ready.
1216   *            @arg RCC_FLAG_BORRST: POR/PDR or BOR reset.
1217   *            @arg RCC_FLAG_PINRST: Pin reset.
1218   *            @arg RCC_FLAG_PORRST: POR/PDR reset.
1219   *            @arg RCC_FLAG_SFTRST: Software reset.
1220   *            @arg RCC_FLAG_IWDGRST: Independent Watchdog reset.
1221   *            @arg RCC_FLAG_WWDGRST: Window Watchdog reset.
1222   *            @arg RCC_FLAG_LPWRRST: Low Power reset.
1223   * @retval The new state of __FLAG__ (TRUE or FALSE).
1224   */
1225 #define RCC_FLAG_MASK  ((uint8_t)0x1FU)
1226 #define __HAL_RCC_GET_FLAG(__FLAG__) (((((((__FLAG__) >> 5U) == 1U)? RCC->CR :((((__FLAG__) >> 5U) == 2U) ? RCC->BDCR :((((__FLAG__) >> 5U) == 3U)? RCC->CSR :RCC->CIR))) & (1U << ((__FLAG__) & RCC_FLAG_MASK)))!= 0U)? 1U : 0U)
1227 
1228 /**
1229   * @}
1230   */
1231 
1232 /**
1233   * @}
1234   */
1235 
1236 /* Exported functions --------------------------------------------------------*/
1237  /** @addtogroup RCC_Exported_Functions
1238   * @{
1239   */
1240 
1241 /** @addtogroup RCC_Exported_Functions_Group1
1242   * @{
1243   */
1244 /* Initialization and de-initialization functions  ******************************/
1245 HAL_StatusTypeDef HAL_RCC_DeInit(void);
1246 HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct);
1247 HAL_StatusTypeDef HAL_RCC_ClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t FLatency);
1248 /**
1249   * @}
1250   */
1251 
1252 /** @addtogroup RCC_Exported_Functions_Group2
1253   * @{
1254   */
1255 /* Peripheral Control functions  ************************************************/
1256 void     HAL_RCC_MCOConfig(uint32_t RCC_MCOx, uint32_t RCC_MCOSource, uint32_t RCC_MCODiv);
1257 void     HAL_RCC_EnableCSS(void);
1258 void     HAL_RCC_DisableCSS(void);
1259 uint32_t HAL_RCC_GetSysClockFreq(void);
1260 uint32_t HAL_RCC_GetHCLKFreq(void);
1261 uint32_t HAL_RCC_GetPCLK1Freq(void);
1262 uint32_t HAL_RCC_GetPCLK2Freq(void);
1263 void     HAL_RCC_GetOscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct);
1264 void     HAL_RCC_GetClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t *pFLatency);
1265 
1266 /* CSS NMI IRQ handler */
1267 void HAL_RCC_NMI_IRQHandler(void);
1268 
1269 /* User Callbacks in non blocking mode (IT mode) */
1270 void HAL_RCC_CSSCallback(void);
1271 
1272 /**
1273   * @}
1274   */
1275 
1276 /**
1277   * @}
1278   */
1279 
1280 /* Private types -------------------------------------------------------------*/
1281 /* Private variables ---------------------------------------------------------*/
1282 /* Private constants ---------------------------------------------------------*/
1283 /** @defgroup RCC_Private_Constants RCC Private Constants
1284   * @{
1285   */
1286 
1287 /** @defgroup RCC_BitAddress_AliasRegion RCC BitAddress AliasRegion
1288   * @brief RCC registers bit address in the alias region
1289   * @{
1290   */
1291 #define RCC_OFFSET                 (RCC_BASE - PERIPH_BASE)
1292 /* --- CR Register --- */
1293 /* Alias word address of HSION bit */
1294 #define RCC_CR_OFFSET              (RCC_OFFSET + 0x00U)
1295 #define RCC_HSION_BIT_NUMBER       0x00U
1296 #define RCC_CR_HSION_BB            (PERIPH_BB_BASE + (RCC_CR_OFFSET * 32U) + (RCC_HSION_BIT_NUMBER * 4U))
1297 /* Alias word address of CSSON bit */
1298 #define RCC_CSSON_BIT_NUMBER       0x13U
1299 #define RCC_CR_CSSON_BB            (PERIPH_BB_BASE + (RCC_CR_OFFSET * 32U) + (RCC_CSSON_BIT_NUMBER * 4U))
1300 /* Alias word address of PLLON bit */
1301 #define RCC_PLLON_BIT_NUMBER       0x18U
1302 #define RCC_CR_PLLON_BB            (PERIPH_BB_BASE + (RCC_CR_OFFSET * 32U) + (RCC_PLLON_BIT_NUMBER * 4U))
1303 
1304 /* --- BDCR Register --- */
1305 /* Alias word address of RTCEN bit */
1306 #define RCC_BDCR_OFFSET            (RCC_OFFSET + 0x70U)
1307 #define RCC_RTCEN_BIT_NUMBER       0x0FU
1308 #define RCC_BDCR_RTCEN_BB          (PERIPH_BB_BASE + (RCC_BDCR_OFFSET * 32U) + (RCC_RTCEN_BIT_NUMBER * 4U))
1309 /* Alias word address of BDRST bit */
1310 #define RCC_BDRST_BIT_NUMBER       0x10U
1311 #define RCC_BDCR_BDRST_BB          (PERIPH_BB_BASE + (RCC_BDCR_OFFSET * 32U) + (RCC_BDRST_BIT_NUMBER * 4U))
1312 
1313 /* --- CSR Register --- */
1314 /* Alias word address of LSION bit */
1315 #define RCC_CSR_OFFSET             (RCC_OFFSET + 0x74U)
1316 #define RCC_LSION_BIT_NUMBER        0x00U
1317 #define RCC_CSR_LSION_BB           (PERIPH_BB_BASE + (RCC_CSR_OFFSET * 32U) + (RCC_LSION_BIT_NUMBER * 4U))
1318 
1319 /* CR register byte 3 (Bits[23:16]) base address */
1320 #define RCC_CR_BYTE2_ADDRESS       0x40023802U
1321 
1322 /* CIR register byte 2 (Bits[15:8]) base address */
1323 #define RCC_CIR_BYTE1_ADDRESS      ((uint32_t)(RCC_BASE + 0x0CU + 0x01U))
1324 
1325 /* CIR register byte 3 (Bits[23:16]) base address */
1326 #define RCC_CIR_BYTE2_ADDRESS      ((uint32_t)(RCC_BASE + 0x0CU + 0x02U))
1327 
1328 /* BDCR register base address */
1329 #define RCC_BDCR_BYTE0_ADDRESS     (PERIPH_BASE + RCC_BDCR_OFFSET)
1330 
1331 #define RCC_DBP_TIMEOUT_VALUE      2U
1332 #define RCC_LSE_TIMEOUT_VALUE      LSE_STARTUP_TIMEOUT
1333 
1334 #define HSE_TIMEOUT_VALUE          HSE_STARTUP_TIMEOUT
1335 #define HSI_TIMEOUT_VALUE          2U  /* 2 ms */
1336 #define LSI_TIMEOUT_VALUE          2U  /* 2 ms */
1337 #define CLOCKSWITCH_TIMEOUT_VALUE  5000U /* 5 s */
1338 
1339 /**
1340   * @}
1341   */
1342 
1343 /**
1344   * @}
1345   */
1346 
1347 /* Private macros ------------------------------------------------------------*/
1348 /** @defgroup RCC_Private_Macros RCC Private Macros
1349   * @{
1350   */
1351 
1352 /** @defgroup RCC_IS_RCC_Definitions RCC Private macros to check input parameters
1353   * @{
1354   */
1355 #define IS_RCC_OSCILLATORTYPE(OSCILLATOR) ((OSCILLATOR) <= 15U)
1356 
1357 #define IS_RCC_HSE(HSE) (((HSE) == RCC_HSE_OFF) || ((HSE) == RCC_HSE_ON) || \
1358                          ((HSE) == RCC_HSE_BYPASS))
1359 
1360 #define IS_RCC_LSE(LSE) (((LSE) == RCC_LSE_OFF) || ((LSE) == RCC_LSE_ON) || \
1361                          ((LSE) == RCC_LSE_BYPASS))
1362 
1363 #define IS_RCC_HSI(HSI) (((HSI) == RCC_HSI_OFF) || ((HSI) == RCC_HSI_ON))
1364 
1365 #define IS_RCC_LSI(LSI) (((LSI) == RCC_LSI_OFF) || ((LSI) == RCC_LSI_ON))
1366 
1367 #define IS_RCC_PLL(PLL) (((PLL) == RCC_PLL_NONE) ||((PLL) == RCC_PLL_OFF) || ((PLL) == RCC_PLL_ON))
1368 
1369 #define IS_RCC_PLLSOURCE(SOURCE) (((SOURCE) == RCC_PLLSOURCE_HSI) || \
1370                                   ((SOURCE) == RCC_PLLSOURCE_HSE))
1371 
1372 #define IS_RCC_SYSCLKSOURCE(SOURCE) (((SOURCE) == RCC_SYSCLKSOURCE_HSI) || \
1373                                      ((SOURCE) == RCC_SYSCLKSOURCE_HSE) || \
1374                                      ((SOURCE) == RCC_SYSCLKSOURCE_PLLCLK) || \
1375                                      ((SOURCE) == RCC_SYSCLKSOURCE_PLLRCLK))
1376 
1377 #define IS_RCC_RTCCLKSOURCE(__SOURCE__) (((__SOURCE__) == RCC_RTCCLKSOURCE_LSE) || \
1378                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_LSI) || \
1379                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV2) || \
1380                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV3) || \
1381                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV4) || \
1382                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV5) || \
1383                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV6) || \
1384                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV7) || \
1385                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV8) || \
1386                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV9) || \
1387                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV10) || \
1388                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV11) || \
1389                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV12) || \
1390                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV13) || \
1391                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV14) || \
1392                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV15) || \
1393                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV16) || \
1394                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV17) || \
1395                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV18) || \
1396                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV19) || \
1397                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV20) || \
1398                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV21) || \
1399                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV22) || \
1400                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV23) || \
1401                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV24) || \
1402                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV25) || \
1403                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV26) || \
1404                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV27) || \
1405                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV28) || \
1406                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV29) || \
1407                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV30) || \
1408                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV31))
1409 
1410 #define IS_RCC_PLLM_VALUE(VALUE) ((VALUE) <= 63U)
1411 
1412 #define IS_RCC_PLLP_VALUE(VALUE) (((VALUE) == 2U) || ((VALUE) == 4U) || ((VALUE) == 6U) || ((VALUE) == 8U))
1413 
1414 #define IS_RCC_PLLQ_VALUE(VALUE) ((2U <= (VALUE)) && ((VALUE) <= 15U))
1415 
1416 #define IS_RCC_HCLK(HCLK) (((HCLK) == RCC_SYSCLK_DIV1)   || ((HCLK) == RCC_SYSCLK_DIV2)   || \
1417                            ((HCLK) == RCC_SYSCLK_DIV4)   || ((HCLK) == RCC_SYSCLK_DIV8)   || \
1418                            ((HCLK) == RCC_SYSCLK_DIV16)  || ((HCLK) == RCC_SYSCLK_DIV64)  || \
1419                            ((HCLK) == RCC_SYSCLK_DIV128) || ((HCLK) == RCC_SYSCLK_DIV256) || \
1420                            ((HCLK) == RCC_SYSCLK_DIV512))
1421 
1422 #define IS_RCC_CLOCKTYPE(CLK) ((1U <= (CLK)) && ((CLK) <= 15U))
1423 
1424 #define IS_RCC_PCLK(PCLK) (((PCLK) == RCC_HCLK_DIV1) || ((PCLK) == RCC_HCLK_DIV2) || \
1425                            ((PCLK) == RCC_HCLK_DIV4) || ((PCLK) == RCC_HCLK_DIV8) || \
1426                            ((PCLK) == RCC_HCLK_DIV16))
1427 
1428 #define IS_RCC_MCO(MCOx) (((MCOx) == RCC_MCO1) || ((MCOx) == RCC_MCO2))
1429 
1430 #define IS_RCC_MCO1SOURCE(SOURCE) (((SOURCE) == RCC_MCO1SOURCE_HSI) || ((SOURCE) == RCC_MCO1SOURCE_LSE) || \
1431                                    ((SOURCE) == RCC_MCO1SOURCE_HSE) || ((SOURCE) == RCC_MCO1SOURCE_PLLCLK))
1432 
1433 #define IS_RCC_MCODIV(DIV) (((DIV) == RCC_MCODIV_1)  || ((DIV) == RCC_MCODIV_2) || \
1434                              ((DIV) == RCC_MCODIV_3) || ((DIV) == RCC_MCODIV_4) || \
1435                              ((DIV) == RCC_MCODIV_5))
1436 #define IS_RCC_CALIBRATION_VALUE(VALUE) ((VALUE) <= 0x1FU)
1437 
1438 /**
1439   * @}
1440   */
1441 
1442 /**
1443   * @}
1444   */
1445 
1446 /**
1447   * @}
1448   */
1449 
1450 /**
1451   * @}
1452   */
1453 
1454 #ifdef __cplusplus
1455 }
1456 #endif
1457 
1458 #endif /* __STM32F4xx_HAL_RCC_H */
1459 
1460