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  1. /**
  2. ******************************************************************************
  3. * @file stm32f7xx_hal_rcc.h
  4. * @author MCD Application Team
  5. * @version V1.2.2
  6. * @date 14-April-2017
  7. * @brief Header file of RCC HAL module.
  8. ******************************************************************************
  9. * @attention
  10. *
  11. * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
  12. *
  13. * Redistribution and use in source and binary forms, with or without modification,
  14. * are permitted provided that the following conditions are met:
  15. * 1. Redistributions of source code must retain the above copyright notice,
  16. * this list of conditions and the following disclaimer.
  17. * 2. Redistributions in binary form must reproduce the above copyright notice,
  18. * this list of conditions and the following disclaimer in the documentation
  19. * and/or other materials provided with the distribution.
  20. * 3. Neither the name of STMicroelectronics nor the names of its contributors
  21. * may be used to endorse or promote products derived from this software
  22. * without specific prior written permission.
  23. *
  24. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  25. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  27. * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  28. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  30. * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  31. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  32. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  33. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34. *
  35. ******************************************************************************
  36. */
  37. /* Define to prevent recursive inclusion -------------------------------------*/
  38. #ifndef __STM32F7xx_HAL_RCC_H
  39. #define __STM32F7xx_HAL_RCC_H
  40. #ifdef __cplusplus
  41. extern "C" {
  42. #endif
  43. /* Includes ------------------------------------------------------------------*/
  44. #include "stm32f7xx_hal_def.h"
  45. /* Include RCC HAL Extended module */
  46. /* (include on top of file since RCC structures are defined in extended file) */
  47. #include "stm32f7xx_hal_rcc_ex.h"
  48. /** @addtogroup STM32F7xx_HAL_Driver
  49. * @{
  50. */
  51. /** @addtogroup RCC
  52. * @{
  53. */
  54. /* Exported types ------------------------------------------------------------*/
  55. /** @defgroup RCC_Exported_Types RCC Exported Types
  56. * @{
  57. */
  58. /**
  59. * @brief RCC Internal/External Oscillator (HSE, HSI, LSE and LSI) configuration structure definition
  60. */
  61. typedef struct
  62. {
  63. uint32_t OscillatorType; /*!< The oscillators to be configured.
  64. This parameter can be a value of @ref RCC_Oscillator_Type */
  65. uint32_t HSEState; /*!< The new state of the HSE.
  66. This parameter can be a value of @ref RCC_HSE_Config */
  67. uint32_t LSEState; /*!< The new state of the LSE.
  68. This parameter can be a value of @ref RCC_LSE_Config */
  69. uint32_t HSIState; /*!< The new state of the HSI.
  70. This parameter can be a value of @ref RCC_HSI_Config */
  71. uint32_t HSICalibrationValue; /*!< The HSI calibration trimming value (default is RCC_HSICALIBRATION_DEFAULT).
  72. This parameter must be a number between Min_Data = 0x00 and Max_Data = 0x1F */
  73. uint32_t LSIState; /*!< The new state of the LSI.
  74. This parameter can be a value of @ref RCC_LSI_Config */
  75. RCC_PLLInitTypeDef PLL; /*!< PLL structure parameters */
  76. }RCC_OscInitTypeDef;
  77. /**
  78. * @brief RCC System, AHB and APB busses clock configuration structure definition
  79. */
  80. typedef struct
  81. {
  82. uint32_t ClockType; /*!< The clock to be configured.
  83. This parameter can be a value of @ref RCC_System_Clock_Type */
  84. uint32_t SYSCLKSource; /*!< The clock source (SYSCLKS) used as system clock.
  85. This parameter can be a value of @ref RCC_System_Clock_Source */
  86. uint32_t AHBCLKDivider; /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
  87. This parameter can be a value of @ref RCC_AHB_Clock_Source */
  88. uint32_t APB1CLKDivider; /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
  89. This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */
  90. uint32_t APB2CLKDivider; /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
  91. This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */
  92. }RCC_ClkInitTypeDef;
  93. /**
  94. * @}
  95. */
  96. /* Exported constants --------------------------------------------------------*/
  97. /** @defgroup RCC_Exported_Constants RCC Exported Constants
  98. * @{
  99. */
  100. /** @defgroup RCC_Oscillator_Type Oscillator Type
  101. * @{
  102. */
  103. #define RCC_OSCILLATORTYPE_NONE ((uint32_t)0x00000000U)
  104. #define RCC_OSCILLATORTYPE_HSE ((uint32_t)0x00000001U)
  105. #define RCC_OSCILLATORTYPE_HSI ((uint32_t)0x00000002U)
  106. #define RCC_OSCILLATORTYPE_LSE ((uint32_t)0x00000004U)
  107. #define RCC_OSCILLATORTYPE_LSI ((uint32_t)0x00000008U)
  108. /**
  109. * @}
  110. */
  111. /** @defgroup RCC_HSE_Config RCC HSE Config
  112. * @{
  113. */
  114. #define RCC_HSE_OFF ((uint32_t)0x00000000U)
  115. #define RCC_HSE_ON RCC_CR_HSEON
  116. #define RCC_HSE_BYPASS ((uint32_t)(RCC_CR_HSEBYP | RCC_CR_HSEON))
  117. /**
  118. * @}
  119. */
  120. /** @defgroup RCC_LSE_Config RCC LSE Config
  121. * @{
  122. */
  123. #define RCC_LSE_OFF ((uint32_t)0x00000000U)
  124. #define RCC_LSE_ON RCC_BDCR_LSEON
  125. #define RCC_LSE_BYPASS ((uint32_t)(RCC_BDCR_LSEBYP | RCC_BDCR_LSEON))
  126. /**
  127. * @}
  128. */
  129. /** @defgroup RCC_HSI_Config RCC HSI Config
  130. * @{
  131. */
  132. #define RCC_HSI_OFF ((uint32_t)0x00000000U)
  133. #define RCC_HSI_ON RCC_CR_HSION
  134. #define RCC_HSICALIBRATION_DEFAULT ((uint32_t)0x10U) /* Default HSI calibration trimming value */
  135. /**
  136. * @}
  137. */
  138. /** @defgroup RCC_LSI_Config RCC LSI Config
  139. * @{
  140. */
  141. #define RCC_LSI_OFF ((uint32_t)0x00000000U)
  142. #define RCC_LSI_ON RCC_CSR_LSION
  143. /**
  144. * @}
  145. */
  146. /** @defgroup RCC_PLL_Config RCC PLL Config
  147. * @{
  148. */
  149. #define RCC_PLL_NONE ((uint32_t)0x00000000U)
  150. #define RCC_PLL_OFF ((uint32_t)0x00000001U)
  151. #define RCC_PLL_ON ((uint32_t)0x00000002U)
  152. /**
  153. * @}
  154. */
  155. /** @defgroup RCC_PLLP_Clock_Divider PLLP Clock Divider
  156. * @{
  157. */
  158. #define RCC_PLLP_DIV2 ((uint32_t)0x00000002U)
  159. #define RCC_PLLP_DIV4 ((uint32_t)0x00000004U)
  160. #define RCC_PLLP_DIV6 ((uint32_t)0x00000006U)
  161. #define RCC_PLLP_DIV8 ((uint32_t)0x00000008U)
  162. /**
  163. * @}
  164. */
  165. /** @defgroup RCC_PLL_Clock_Source PLL Clock Source
  166. * @{
  167. */
  168. #define RCC_PLLSOURCE_HSI RCC_PLLCFGR_PLLSRC_HSI
  169. #define RCC_PLLSOURCE_HSE RCC_PLLCFGR_PLLSRC_HSE
  170. /**
  171. * @}
  172. */
  173. /** @defgroup RCC_System_Clock_Type RCC System Clock Type
  174. * @{
  175. */
  176. #define RCC_CLOCKTYPE_SYSCLK ((uint32_t)0x00000001U)
  177. #define RCC_CLOCKTYPE_HCLK ((uint32_t)0x00000002U)
  178. #define RCC_CLOCKTYPE_PCLK1 ((uint32_t)0x00000004U)
  179. #define RCC_CLOCKTYPE_PCLK2 ((uint32_t)0x00000008U)
  180. /**
  181. * @}
  182. */
  183. /** @defgroup RCC_System_Clock_Source RCC System Clock Source
  184. * @{
  185. */
  186. #define RCC_SYSCLKSOURCE_HSI RCC_CFGR_SW_HSI
  187. #define RCC_SYSCLKSOURCE_HSE RCC_CFGR_SW_HSE
  188. #define RCC_SYSCLKSOURCE_PLLCLK RCC_CFGR_SW_PLL
  189. /**
  190. * @}
  191. */
  192. /** @defgroup RCC_System_Clock_Source_Status System Clock Source Status
  193. * @{
  194. */
  195. #define RCC_SYSCLKSOURCE_STATUS_HSI RCC_CFGR_SWS_HSI /*!< HSI used as system clock */
  196. #define RCC_SYSCLKSOURCE_STATUS_HSE RCC_CFGR_SWS_HSE /*!< HSE used as system clock */
  197. #define RCC_SYSCLKSOURCE_STATUS_PLLCLK RCC_CFGR_SWS_PLL /*!< PLL used as system clock */
  198. /**
  199. * @}
  200. */
  201. /** @defgroup RCC_AHB_Clock_Source RCC AHB Clock Source
  202. * @{
  203. */
  204. #define RCC_SYSCLK_DIV1 RCC_CFGR_HPRE_DIV1
  205. #define RCC_SYSCLK_DIV2 RCC_CFGR_HPRE_DIV2
  206. #define RCC_SYSCLK_DIV4 RCC_CFGR_HPRE_DIV4
  207. #define RCC_SYSCLK_DIV8 RCC_CFGR_HPRE_DIV8
  208. #define RCC_SYSCLK_DIV16 RCC_CFGR_HPRE_DIV16
  209. #define RCC_SYSCLK_DIV64 RCC_CFGR_HPRE_DIV64
  210. #define RCC_SYSCLK_DIV128 RCC_CFGR_HPRE_DIV128
  211. #define RCC_SYSCLK_DIV256 RCC_CFGR_HPRE_DIV256
  212. #define RCC_SYSCLK_DIV512 RCC_CFGR_HPRE_DIV512
  213. /**
  214. * @}
  215. */
  216. /** @defgroup RCC_APB1_APB2_Clock_Source RCC APB1/APB2 Clock Source
  217. * @{
  218. */
  219. #define RCC_HCLK_DIV1 RCC_CFGR_PPRE1_DIV1
  220. #define RCC_HCLK_DIV2 RCC_CFGR_PPRE1_DIV2
  221. #define RCC_HCLK_DIV4 RCC_CFGR_PPRE1_DIV4
  222. #define RCC_HCLK_DIV8 RCC_CFGR_PPRE1_DIV8
  223. #define RCC_HCLK_DIV16 RCC_CFGR_PPRE1_DIV16
  224. /**
  225. * @}
  226. */
  227. /** @defgroup RCC_RTC_Clock_Source RCC RTC Clock Source
  228. * @{
  229. */
  230. #define RCC_RTCCLKSOURCE_LSE ((uint32_t)0x00000100U)
  231. #define RCC_RTCCLKSOURCE_LSI ((uint32_t)0x00000200U)
  232. #define RCC_RTCCLKSOURCE_HSE_DIV2 ((uint32_t)0x00020300U)
  233. #define RCC_RTCCLKSOURCE_HSE_DIV3 ((uint32_t)0x00030300U)
  234. #define RCC_RTCCLKSOURCE_HSE_DIV4 ((uint32_t)0x00040300U)
  235. #define RCC_RTCCLKSOURCE_HSE_DIV5 ((uint32_t)0x00050300U)
  236. #define RCC_RTCCLKSOURCE_HSE_DIV6 ((uint32_t)0x00060300U)
  237. #define RCC_RTCCLKSOURCE_HSE_DIV7 ((uint32_t)0x00070300U)
  238. #define RCC_RTCCLKSOURCE_HSE_DIV8 ((uint32_t)0x00080300U)
  239. #define RCC_RTCCLKSOURCE_HSE_DIV9 ((uint32_t)0x00090300U)
  240. #define RCC_RTCCLKSOURCE_HSE_DIV10 ((uint32_t)0x000A0300U)
  241. #define RCC_RTCCLKSOURCE_HSE_DIV11 ((uint32_t)0x000B0300U)
  242. #define RCC_RTCCLKSOURCE_HSE_DIV12 ((uint32_t)0x000C0300U)
  243. #define RCC_RTCCLKSOURCE_HSE_DIV13 ((uint32_t)0x000D0300U)
  244. #define RCC_RTCCLKSOURCE_HSE_DIV14 ((uint32_t)0x000E0300U)
  245. #define RCC_RTCCLKSOURCE_HSE_DIV15 ((uint32_t)0x000F0300U)
  246. #define RCC_RTCCLKSOURCE_HSE_DIV16 ((uint32_t)0x00100300U)
  247. #define RCC_RTCCLKSOURCE_HSE_DIV17 ((uint32_t)0x00110300U)
  248. #define RCC_RTCCLKSOURCE_HSE_DIV18 ((uint32_t)0x00120300U)
  249. #define RCC_RTCCLKSOURCE_HSE_DIV19 ((uint32_t)0x00130300U)
  250. #define RCC_RTCCLKSOURCE_HSE_DIV20 ((uint32_t)0x00140300U)
  251. #define RCC_RTCCLKSOURCE_HSE_DIV21 ((uint32_t)0x00150300U)
  252. #define RCC_RTCCLKSOURCE_HSE_DIV22 ((uint32_t)0x00160300U)
  253. #define RCC_RTCCLKSOURCE_HSE_DIV23 ((uint32_t)0x00170300U)
  254. #define RCC_RTCCLKSOURCE_HSE_DIV24 ((uint32_t)0x00180300U)
  255. #define RCC_RTCCLKSOURCE_HSE_DIV25 ((uint32_t)0x00190300U)
  256. #define RCC_RTCCLKSOURCE_HSE_DIV26 ((uint32_t)0x001A0300U)
  257. #define RCC_RTCCLKSOURCE_HSE_DIV27 ((uint32_t)0x001B0300U)
  258. #define RCC_RTCCLKSOURCE_HSE_DIV28 ((uint32_t)0x001C0300U)
  259. #define RCC_RTCCLKSOURCE_HSE_DIV29 ((uint32_t)0x001D0300U)
  260. #define RCC_RTCCLKSOURCE_HSE_DIV30 ((uint32_t)0x001E0300U)
  261. #define RCC_RTCCLKSOURCE_HSE_DIV31 ((uint32_t)0x001F0300U)
  262. /**
  263. * @}
  264. */
  265. /** @defgroup RCC_MCO_Index RCC MCO Index
  266. * @{
  267. */
  268. #define RCC_MCO1 ((uint32_t)0x00000000U)
  269. #define RCC_MCO2 ((uint32_t)0x00000001U)
  270. /**
  271. * @}
  272. */
  273. /** @defgroup RCC_MCO1_Clock_Source RCC MCO1 Clock Source
  274. * @{
  275. */
  276. #define RCC_MCO1SOURCE_HSI ((uint32_t)0x00000000U)
  277. #define RCC_MCO1SOURCE_LSE RCC_CFGR_MCO1_0
  278. #define RCC_MCO1SOURCE_HSE RCC_CFGR_MCO1_1
  279. #define RCC_MCO1SOURCE_PLLCLK RCC_CFGR_MCO1
  280. /**
  281. * @}
  282. */
  283. /** @defgroup RCC_MCO2_Clock_Source RCC MCO2 Clock Source
  284. * @{
  285. */
  286. #define RCC_MCO2SOURCE_SYSCLK ((uint32_t)0x00000000U)
  287. #define RCC_MCO2SOURCE_PLLI2SCLK RCC_CFGR_MCO2_0
  288. #define RCC_MCO2SOURCE_HSE RCC_CFGR_MCO2_1
  289. #define RCC_MCO2SOURCE_PLLCLK RCC_CFGR_MCO2
  290. /**
  291. * @}
  292. */
  293. /** @defgroup RCC_MCOx_Clock_Prescaler RCC MCO1 Clock Prescaler
  294. * @{
  295. */
  296. #define RCC_MCODIV_1 ((uint32_t)0x00000000U)
  297. #define RCC_MCODIV_2 RCC_CFGR_MCO1PRE_2
  298. #define RCC_MCODIV_3 ((uint32_t)RCC_CFGR_MCO1PRE_0 | RCC_CFGR_MCO1PRE_2)
  299. #define RCC_MCODIV_4 ((uint32_t)RCC_CFGR_MCO1PRE_1 | RCC_CFGR_MCO1PRE_2)
  300. #define RCC_MCODIV_5 RCC_CFGR_MCO1PRE
  301. /**
  302. * @}
  303. */
  304. /** @defgroup RCC_Interrupt RCC Interrupt
  305. * @{
  306. */
  307. #define RCC_IT_LSIRDY ((uint8_t)0x01U)
  308. #define RCC_IT_LSERDY ((uint8_t)0x02U)
  309. #define RCC_IT_HSIRDY ((uint8_t)0x04U)
  310. #define RCC_IT_HSERDY ((uint8_t)0x08U)
  311. #define RCC_IT_PLLRDY ((uint8_t)0x10U)
  312. #define RCC_IT_PLLI2SRDY ((uint8_t)0x20U)
  313. #define RCC_IT_PLLSAIRDY ((uint8_t)0x40U)
  314. #define RCC_IT_CSS ((uint8_t)0x80U)
  315. /**
  316. * @}
  317. */
  318. /** @defgroup RCC_Flag RCC Flags
  319. * Elements values convention: 0XXYYYYYb
  320. * - YYYYY : Flag position in the register
  321. * - 0XX : Register index
  322. * - 01: CR register
  323. * - 10: BDCR register
  324. * - 11: CSR register
  325. * @{
  326. */
  327. /* Flags in the CR register */
  328. #define RCC_FLAG_HSIRDY ((uint8_t)0x21U)
  329. #define RCC_FLAG_HSERDY ((uint8_t)0x31U)
  330. #define RCC_FLAG_PLLRDY ((uint8_t)0x39U)
  331. #define RCC_FLAG_PLLI2SRDY ((uint8_t)0x3BU)
  332. #define RCC_FLAG_PLLSAIRDY ((uint8_t)0x3CU)
  333. /* Flags in the BDCR register */
  334. #define RCC_FLAG_LSERDY ((uint8_t)0x41U)
  335. /* Flags in the CSR register */
  336. #define RCC_FLAG_LSIRDY ((uint8_t)0x61U)
  337. #define RCC_FLAG_BORRST ((uint8_t)0x79U)
  338. #define RCC_FLAG_PINRST ((uint8_t)0x7AU)
  339. #define RCC_FLAG_PORRST ((uint8_t)0x7BU)
  340. #define RCC_FLAG_SFTRST ((uint8_t)0x7CU)
  341. #define RCC_FLAG_IWDGRST ((uint8_t)0x7DU)
  342. #define RCC_FLAG_WWDGRST ((uint8_t)0x7EU)
  343. #define RCC_FLAG_LPWRRST ((uint8_t)0x7FU)
  344. /**
  345. * @}
  346. */
  347. /** @defgroup RCC_LSEDrive_Configuration RCC LSE Drive configurations
  348. * @{
  349. */
  350. #define RCC_LSEDRIVE_LOW ((uint32_t)0x00000000U)
  351. #define RCC_LSEDRIVE_MEDIUMLOW RCC_BDCR_LSEDRV_1
  352. #define RCC_LSEDRIVE_MEDIUMHIGH RCC_BDCR_LSEDRV_0
  353. #define RCC_LSEDRIVE_HIGH RCC_BDCR_LSEDRV
  354. /**
  355. * @}
  356. */
  357. /**
  358. * @}
  359. */
  360. /* Exported macro ------------------------------------------------------------*/
  361. /** @defgroup RCC_Exported_Macros RCC Exported Macros
  362. * @{
  363. */
  364. /** @defgroup RCC_AHB1_Clock_Enable_Disable AHB1 Peripheral Clock Enable Disable
  365. * @brief Enable or disable the AHB1 peripheral clock.
  366. * @note After reset, the peripheral clock (used for registers read/write access)
  367. * is disabled and the application software has to enable this clock before
  368. * using it.
  369. * @{
  370. */
  371. #define __HAL_RCC_CRC_CLK_ENABLE() do { \
  372. __IO uint32_t tmpreg; \
  373. SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_CRCEN);\
  374. /* Delay after an RCC peripheral clock enabling */ \
  375. tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_CRCEN);\
  376. UNUSED(tmpreg); \
  377. } while(0)
  378. #define __HAL_RCC_DMA1_CLK_ENABLE() do { \
  379. __IO uint32_t tmpreg; \
  380. SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_DMA1EN);\
  381. /* Delay after an RCC peripheral clock enabling */ \
  382. tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_DMA1EN);\
  383. UNUSED(tmpreg); \
  384. } while(0)
  385. #define __HAL_RCC_CRC_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_CRCEN))
  386. #define __HAL_RCC_DMA1_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_DMA1EN))
  387. /**
  388. * @}
  389. */
  390. /** @defgroup RCC_APB1_Clock_Enable_Disable APB1 Peripheral Clock Enable Disable
  391. * @brief Enable or disable the Low Speed APB (APB1) peripheral clock.
  392. * @note After reset, the peripheral clock (used for registers read/write access)
  393. * is disabled and the application software has to enable this clock before
  394. * using it.
  395. * @{
  396. */
  397. #define __HAL_RCC_WWDG_CLK_ENABLE() do { \
  398. __IO uint32_t tmpreg; \
  399. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN);\
  400. /* Delay after an RCC peripheral clock enabling */ \
  401. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN);\
  402. UNUSED(tmpreg); \
  403. } while(0)
  404. #define __HAL_RCC_PWR_CLK_ENABLE() do { \
  405. __IO uint32_t tmpreg; \
  406. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN);\
  407. /* Delay after an RCC peripheral clock enabling */ \
  408. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN);\
  409. UNUSED(tmpreg); \
  410. } while(0)
  411. #define __HAL_RCC_WWDG_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_WWDGEN))
  412. #define __HAL_RCC_PWR_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_PWREN))
  413. /**
  414. * @}
  415. */
  416. /** @defgroup RCC_APB2_Clock_Enable_Disable APB2 Peripheral Clock Enable Disable
  417. * @brief Enable or disable the High Speed APB (APB2) peripheral clock.
  418. * @note After reset, the peripheral clock (used for registers read/write access)
  419. * is disabled and the application software has to enable this clock before
  420. * using it.
  421. * @{
  422. */
  423. #define __HAL_RCC_SYSCFG_CLK_ENABLE() do { \
  424. __IO uint32_t tmpreg; \
  425. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN);\
  426. /* Delay after an RCC peripheral clock enabling */ \
  427. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN);\
  428. UNUSED(tmpreg); \
  429. } while(0)
  430. #define __HAL_RCC_SYSCFG_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_SYSCFGEN))
  431. /**
  432. * @}
  433. */
  434. /** @defgroup RCC_AHB1_Peripheral_Clock_Enable_Disable_Status AHB1 Peripheral Clock Enable Disable Status
  435. * @brief Get the enable or disable status of the AHB1 peripheral clock.
  436. * @note After reset, the peripheral clock (used for registers read/write access)
  437. * is disabled and the application software has to enable this clock before
  438. * using it.
  439. * @{
  440. */
  441. #define __HAL_RCC_CRC_IS_CLK_ENABLED() ((RCC->AHB1ENR & (RCC_AHB1ENR_CRCEN)) != RESET)
  442. #define __HAL_RCC_DMA1_IS_CLK_ENABLED() ((RCC->AHB1ENR & (RCC_AHB1ENR_DMA1EN)) != RESET)
  443. #define __HAL_RCC_CRC_IS_CLK_DISABLED() ((RCC->AHB1ENR & (RCC_AHB1ENR_CRCEN)) == RESET)
  444. #define __HAL_RCC_DMA1_IS_CLK_DISABLED() ((RCC->AHB1ENR & (RCC_AHB1ENR_DMA1EN)) == RESET)
  445. /**
  446. * @}
  447. */
  448. /** @defgroup RCC_APB1_Clock_Enable_Disable_Status APB1 Peripheral Clock Enable Disable Status
  449. * @brief Get the enable or disable status of the APB1 peripheral clock.
  450. * @note After reset, the peripheral clock (used for registers read/write access)
  451. * is disabled and the application software has to enable this clock before
  452. * using it.
  453. * @{
  454. */
  455. #define __HAL_RCC_WWDG_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) != RESET)
  456. #define __HAL_RCC_PWR_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) != RESET)
  457. #define __HAL_RCC_WWDG_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) == RESET)
  458. #define __HAL_RCC_PWR_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) == RESET)
  459. /**
  460. * @}
  461. */
  462. /** @defgroup RCC_APB2_Clock_Enable_Disable_Status APB2 Peripheral Clock Enable Disable Status
  463. * @brief EGet the enable or disable status of the APB2 peripheral clock.
  464. * @note After reset, the peripheral clock (used for registers read/write access)
  465. * is disabled and the application software has to enable this clock before
  466. * using it.
  467. * @{
  468. */
  469. #define __HAL_RCC_SYSCFG_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SYSCFGEN)) != RESET)
  470. #define __HAL_RCC_SYSCFG_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SYSCFGEN)) == RESET)
  471. /**
  472. * @}
  473. */
  474. /** @defgroup RCC_Peripheral_Clock_Force_Release RCC Peripheral Clock Force Release
  475. * @brief Force or release AHB peripheral reset.
  476. * @{
  477. */
  478. #define __HAL_RCC_AHB1_FORCE_RESET() (RCC->AHB1RSTR = 0xFFFFFFFFU)
  479. #define __HAL_RCC_CRC_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_CRCRST))
  480. #define __HAL_RCC_DMA1_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_DMA1RST))
  481. #define __HAL_RCC_AHB1_RELEASE_RESET() (RCC->AHB1RSTR = 0x00U)
  482. #define __HAL_RCC_CRC_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_CRCRST))
  483. #define __HAL_RCC_DMA1_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_DMA1RST))
  484. /**
  485. * @}
  486. */
  487. /** @defgroup RCC_APB1_Force_Release_Reset APB1 Force Release Reset
  488. * @brief Force or release APB1 peripheral reset.
  489. * @{
  490. */
  491. #define __HAL_RCC_APB1_FORCE_RESET() (RCC->APB1RSTR = 0xFFFFFFFFU)
  492. #define __HAL_RCC_WWDG_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_WWDGRST))
  493. #define __HAL_RCC_PWR_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_PWRRST))
  494. #define __HAL_RCC_APB1_RELEASE_RESET() (RCC->APB1RSTR = 0x00U)
  495. #define __HAL_RCC_WWDG_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_WWDGRST))
  496. #define __HAL_RCC_PWR_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_PWRRST))
  497. /**
  498. * @}
  499. */
  500. /** @defgroup RCC_APB2_Force_Release_Reset APB2 Force Release Reset
  501. * @brief Force or release APB2 peripheral reset.
  502. * @{
  503. */
  504. #define __HAL_RCC_APB2_FORCE_RESET() (RCC->APB2RSTR = 0xFFFFFFFFU)
  505. #define __HAL_RCC_SYSCFG_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_SYSCFGRST))
  506. #define __HAL_RCC_APB2_RELEASE_RESET() (RCC->APB2RSTR = 0x00U)
  507. #define __HAL_RCC_SYSCFG_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SYSCFGRST))
  508. /**
  509. * @}
  510. */
  511. /** @defgroup RCC_Peripheral_Clock_Sleep_Enable_Disable RCC Peripheral Clock Sleep Enable Disable
  512. * @note Peripheral clock gating in SLEEP mode can be used to further reduce
  513. * power consumption.
  514. * @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
  515. * @note By default, all peripheral clocks are enabled during SLEEP mode.
  516. * @{
  517. */
  518. #define __HAL_RCC_CRC_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_CRCLPEN))
  519. #define __HAL_RCC_DMA1_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_DMA1LPEN))
  520. #define __HAL_RCC_CRC_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_CRCLPEN))
  521. #define __HAL_RCC_DMA1_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_DMA1LPEN))
  522. /** @brief Enable or disable the APB1 peripheral clock during Low Power (Sleep) mode.
  523. * @note Peripheral clock gating in SLEEP mode can be used to further reduce
  524. * power consumption.
  525. * @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
  526. * @note By default, all peripheral clocks are enabled during SLEEP mode.
  527. */
  528. #define __HAL_RCC_WWDG_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_WWDGLPEN))
  529. #define __HAL_RCC_PWR_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_PWRLPEN))
  530. #define __HAL_RCC_WWDG_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_WWDGLPEN))
  531. #define __HAL_RCC_PWR_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_PWRLPEN))
  532. /** @brief Enable or disable the APB2 peripheral clock during Low Power (Sleep) mode.
  533. * @note Peripheral clock gating in SLEEP mode can be used to further reduce
  534. * power consumption.
  535. * @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
  536. * @note By default, all peripheral clocks are enabled during SLEEP mode.
  537. */
  538. #define __HAL_RCC_SYSCFG_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_SYSCFGLPEN))
  539. #define __HAL_RCC_SYSCFG_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_SYSCFGLPEN))
  540. /**
  541. * @}
  542. */
  543. /** @defgroup RCC_AHB1_Clock_Sleep_Enable_Disable_Status AHB1 Peripheral Clock Sleep Enable Disable Status
  544. * @brief Get the enable or disable status of the AHB1 peripheral clock during Low Power (Sleep) mode.
  545. * @note Peripheral clock gating in SLEEP mode can be used to further reduce
  546. * power consumption.
  547. * @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
  548. * @note By default, all peripheral clocks are enabled during SLEEP mode.
  549. * @{
  550. */
  551. #define __HAL_RCC_CRC_IS_CLK_SLEEP_ENABLED() ((RCC->AHB1LPENR & (RCC_AHB1LPENR_CRCLPEN)) != RESET)
  552. #define __HAL_RCC_DMA1_IS_CLK_SLEEP_ENABLED() ((RCC->AHB1LPENR & (RCC_AHB1LPENR_DMA1LPEN)) != RESET)
  553. #define __HAL_RCC_CRC_IS_CLK_SLEEP_DISABLED() ((RCC->AHB1LPENR & (RCC_AHB1LPENR_CRCLPEN)) == RESET)
  554. #define __HAL_RCC_DMA1_IS_CLK_SLEEP_DISABLED() ((RCC->AHB1LPENR & (RCC_AHB1LPENR_DMA1LPEN)) == RESET)
  555. /**
  556. * @}
  557. */
  558. /** @defgroup RCC_APB1_Clock_Sleep_Enable_Disable_Status APB1 Peripheral Clock Sleep Enable Disable Status
  559. * @brief Get the enable or disable status of the APB1 peripheral clock during Low Power (Sleep) mode.
  560. * @note Peripheral clock gating in SLEEP mode can be used to further reduce
  561. * power consumption.
  562. * @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
  563. * @note By default, all peripheral clocks are enabled during SLEEP mode.
  564. * @{
  565. */
  566. #define __HAL_RCC_WWDG_IS_CLK_SLEEP_ENABLED() ((RCC->APB1LPENR & (RCC_APB1LPENR_WWDGLPEN)) != RESET)
  567. #define __HAL_RCC_PWR_IS_CLK_SLEEP_ENABLED() ((RCC->APB1LPENR & (RCC_APB1LPENR_PWRLPEN)) != RESET)
  568. #define __HAL_RCC_WWDG_IS_CLK_SLEEP_DISABLED() ((RCC->APB1LPENR & (RCC_APB1LPENR_WWDGLPEN)) == RESET)
  569. #define __HAL_RCC_PWR_IS_CLK_SLEEP_DISABLED() ((RCC->APB1LPENR & (RCC_APB1LPENR_PWRLPEN)) == RESET)
  570. /**
  571. * @}
  572. */
  573. /** @defgroup RCC_APB2_Clock_Sleep_Enable_Disable_Status APB2 Peripheral Clock Sleep Enable Disable Status
  574. * @brief Get the enable or disable status of the APB2 peripheral clock during Low Power (Sleep) mode.
  575. * @note Peripheral clock gating in SLEEP mode can be used to further reduce
  576. * power consumption.
  577. * @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
  578. * @note By default, all peripheral clocks are enabled during SLEEP mode.
  579. * @{
  580. */
  581. #define __HAL_RCC_SYSCFG_IS_CLK_SLEEP_ENABLED() ((RCC->APB2LPENR & (RCC_APB2LPENR_SYSCFGLPEN)) != RESET)
  582. #define __HAL_RCC_SYSCFG_IS_CLK_SLEEP_DISABLED() ((RCC->APB2LPENR & (RCC_APB2LPENR_SYSCFGLPEN)) == RESET)
  583. /**
  584. * @}
  585. */
  586. /** @defgroup RCC_HSI_Configuration HSI Configuration
  587. * @{
  588. */
  589. /** @brief Macros to enable or disable the Internal High Speed oscillator (HSI).
  590. * @note The HSI is stopped by hardware when entering STOP and STANDBY modes.
  591. * It is used (enabled by hardware) as system clock source after startup
  592. * from Reset, wakeup from STOP and STANDBY mode, or in case of failure
  593. * of the HSE used directly or indirectly as system clock (if the Clock
  594. * Security System CSS is enabled).
  595. * @note HSI can not be stopped if it is used as system clock source. In this case,
  596. * you have to select another source of the system clock then stop the HSI.
  597. * @note After enabling the HSI, the application software should wait on HSIRDY
  598. * flag to be set indicating that HSI clock is stable and can be used as
  599. * system clock source.
  600. * @note When the HSI is stopped, HSIRDY flag goes low after 6 HSI oscillator
  601. * clock cycles.
  602. */
  603. #define __HAL_RCC_HSI_ENABLE() (RCC->CR |= (RCC_CR_HSION))
  604. #define __HAL_RCC_HSI_DISABLE() (RCC->CR &= ~(RCC_CR_HSION))
  605. /** @brief Macro to adjust the Internal High Speed oscillator (HSI) calibration value.
  606. * @note The calibration is used to compensate for the variations in voltage
  607. * and temperature that influence the frequency of the internal HSI RC.
  608. * @param __HSICALIBRATIONVALUE__: specifies the calibration trimming value.
  609. * (default is RCC_HSICALIBRATION_DEFAULT).
  610. */
  611. #define __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(__HSICALIBRATIONVALUE__) (MODIFY_REG(RCC->CR,\
  612. RCC_CR_HSITRIM, (uint32_t)(__HSICALIBRATIONVALUE__) << POSITION_VAL(RCC_CR_HSITRIM)))
  613. /**
  614. * @}
  615. */
  616. /** @defgroup RCC_LSI_Configuration LSI Configuration
  617. * @{
  618. */
  619. /** @brief Macros to enable or disable the Internal Low Speed oscillator (LSI).
  620. * @note After enabling the LSI, the application software should wait on
  621. * LSIRDY flag to be set indicating that LSI clock is stable and can
  622. * be used to clock the IWDG and/or the RTC.
  623. * @note LSI can not be disabled if the IWDG is running.
  624. * @note When the LSI is stopped, LSIRDY flag goes low after 6 LSI oscillator
  625. * clock cycles.
  626. */
  627. #define __HAL_RCC_LSI_ENABLE() (RCC->CSR |= (RCC_CSR_LSION))
  628. #define __HAL_RCC_LSI_DISABLE() (RCC->CSR &= ~(RCC_CSR_LSION))
  629. /**
  630. * @}
  631. */
  632. /** @defgroup RCC_HSE_Configuration HSE Configuration
  633. * @{
  634. */
  635. /**
  636. * @brief Macro to configure the External High Speed oscillator (HSE).
  637. * @note Transitions HSE Bypass to HSE On and HSE On to HSE Bypass are not
  638. * supported by this macro. User should request a transition to HSE Off
  639. * first and then HSE On or HSE Bypass.
  640. * @note After enabling the HSE (RCC_HSE_ON or RCC_HSE_Bypass), the application
  641. * software should wait on HSERDY flag to be set indicating that HSE clock
  642. * is stable and can be used to clock the PLL and/or system clock.
  643. * @note HSE state can not be changed if it is used directly or through the
  644. * PLL as system clock. In this case, you have to select another source
  645. * of the system clock then change the HSE state (ex. disable it).
  646. * @note The HSE is stopped by hardware when entering STOP and STANDBY modes.
  647. * @note This function reset the CSSON bit, so if the clock security system(CSS)
  648. * was previously enabled you have to enable it again after calling this
  649. * function.
  650. * @param __STATE__: specifies the new state of the HSE.
  651. * This parameter can be one of the following values:
  652. * @arg RCC_HSE_OFF: turn OFF the HSE oscillator, HSERDY flag goes low after
  653. * 6 HSE oscillator clock cycles.
  654. * @arg RCC_HSE_ON: turn ON the HSE oscillator.
  655. * @arg RCC_HSE_BYPASS: HSE oscillator bypassed with external clock.
  656. */
  657. #define __HAL_RCC_HSE_CONFIG(__STATE__) \
  658. do { \
  659. if ((__STATE__) == RCC_HSE_ON) \
  660. { \
  661. SET_BIT(RCC->CR, RCC_CR_HSEON); \
  662. } \
  663. else if ((__STATE__) == RCC_HSE_OFF) \
  664. { \
  665. CLEAR_BIT(RCC->CR, RCC_CR_HSEON); \
  666. CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP); \
  667. } \
  668. else if ((__STATE__) == RCC_HSE_BYPASS) \
  669. { \
  670. SET_BIT(RCC->CR, RCC_CR_HSEBYP); \
  671. SET_BIT(RCC->CR, RCC_CR_HSEON); \
  672. } \
  673. else \
  674. { \
  675. CLEAR_BIT(RCC->CR, RCC_CR_HSEON); \
  676. CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP); \
  677. } \
  678. } while(0)
  679. /**
  680. * @}
  681. */
  682. /** @defgroup RCC_LSE_Configuration LSE Configuration
  683. * @{
  684. */
  685. /**
  686. * @brief Macro to configure the External Low Speed oscillator (LSE).
  687. * @note Transitions LSE Bypass to LSE On and LSE On to LSE Bypass are not supported by this macro.
  688. * User should request a transition to LSE Off first and then LSE On or LSE Bypass.
  689. * @note As the LSE is in the Backup domain and write access is denied to
  690. * this domain after reset, you have to enable write access using
  691. * HAL_PWR_EnableBkUpAccess() function before to configure the LSE
  692. * (to be done once after reset).
  693. * @note After enabling the LSE (RCC_LSE_ON or RCC_LSE_BYPASS), the application
  694. * software should wait on LSERDY flag to be set indicating that LSE clock
  695. * is stable and can be used to clock the RTC.
  696. * @param __STATE__: specifies the new state of the LSE.
  697. * This parameter can be one of the following values:
  698. * @arg RCC_LSE_OFF: turn OFF the LSE oscillator, LSERDY flag goes low after
  699. * 6 LSE oscillator clock cycles.
  700. * @arg RCC_LSE_ON: turn ON the LSE oscillator.
  701. * @arg RCC_LSE_BYPASS: LSE oscillator bypassed with external clock.
  702. */
  703. #define __HAL_RCC_LSE_CONFIG(__STATE__) \
  704. do { \
  705. if((__STATE__) == RCC_LSE_ON) \
  706. { \
  707. SET_BIT(RCC->BDCR, RCC_BDCR_LSEON); \
  708. } \
  709. else if((__STATE__) == RCC_LSE_OFF) \
  710. { \
  711. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON); \
  712. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP); \
  713. } \
  714. else if((__STATE__) == RCC_LSE_BYPASS) \
  715. { \
  716. SET_BIT(RCC->BDCR, RCC_BDCR_LSEBYP); \
  717. SET_BIT(RCC->BDCR, RCC_BDCR_LSEON); \
  718. } \
  719. else \
  720. { \
  721. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON); \
  722. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP); \
  723. } \
  724. } while(0)
  725. /**
  726. * @}
  727. */
  728. /** @defgroup RCC_Internal_RTC_Clock_Configuration RTC Clock Configuration
  729. * @{
  730. */
  731. /** @brief Macros to enable or disable the RTC clock.
  732. * @note These macros must be used only after the RTC clock source was selected.
  733. */
  734. #define __HAL_RCC_RTC_ENABLE() (RCC->BDCR |= (RCC_BDCR_RTCEN))
  735. #define __HAL_RCC_RTC_DISABLE() (RCC->BDCR &= ~(RCC_BDCR_RTCEN))
  736. /** @brief Macros to configure the RTC clock (RTCCLK).
  737. * @note As the RTC clock configuration bits are in the Backup domain and write
  738. * access is denied to this domain after reset, you have to enable write
  739. * access using the Power Backup Access macro before to configure
  740. * the RTC clock source (to be done once after reset).
  741. * @note Once the RTC clock is configured it can't be changed unless the
  742. * Backup domain is reset using __HAL_RCC_BackupReset_RELEASE() macro, or by
  743. * a Power On Reset (POR).
  744. * @param __RTCCLKSource__: specifies the RTC clock source.
  745. * This parameter can be one of the following values:
  746. * @arg RCC_RTCCLKSOURCE_LSE: LSE selected as RTC clock.
  747. * @arg RCC_RTCCLKSOURCE_LSI: LSI selected as RTC clock.
  748. * @arg RCC_RTCCLKSOURCE_HSE_DIVx: HSE clock divided by x selected
  749. * as RTC clock, where x:[2,31]
  750. * @note If the LSE or LSI is used as RTC clock source, the RTC continues to
  751. * work in STOP and STANDBY modes, and can be used as wakeup source.
  752. * However, when the HSE clock is used as RTC clock source, the RTC
  753. * cannot be used in STOP and STANDBY modes.
  754. * @note The maximum input clock frequency for RTC is 1MHz (when using HSE as
  755. * RTC clock source).
  756. */
  757. #define __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__) (((__RTCCLKSource__) & RCC_BDCR_RTCSEL) == RCC_BDCR_RTCSEL) ? \
  758. MODIFY_REG(RCC->CFGR, RCC_CFGR_RTCPRE, ((__RTCCLKSource__) & 0xFFFFCFF)) : CLEAR_BIT(RCC->CFGR, RCC_CFGR_RTCPRE)
  759. #define __HAL_RCC_RTC_CONFIG(__RTCCLKSource__) do { __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__); \
  760. RCC->BDCR |= ((__RTCCLKSource__) & 0x00000FFF); \
  761. } while (0)
  762. /** @brief Macros to force or release the Backup domain reset.
  763. * @note This function resets the RTC peripheral (including the backup registers)
  764. * and the RTC clock source selection in RCC_CSR register.
  765. * @note The BKPSRAM is not affected by this reset.
  766. */
  767. #define __HAL_RCC_BACKUPRESET_FORCE() (RCC->BDCR |= (RCC_BDCR_BDRST))
  768. #define __HAL_RCC_BACKUPRESET_RELEASE() (RCC->BDCR &= ~(RCC_BDCR_BDRST))
  769. /**
  770. * @}
  771. */
  772. /** @defgroup RCC_PLL_Configuration PLL Configuration
  773. * @{
  774. */
  775. /** @brief Macros to enable or disable the main PLL.
  776. * @note After enabling the main PLL, the application software should wait on
  777. * PLLRDY flag to be set indicating that PLL clock is stable and can
  778. * be used as system clock source.
  779. * @note The main PLL can not be disabled if it is used as system clock source
  780. * @note The main PLL is disabled by hardware when entering STOP and STANDBY modes.
  781. */
  782. #define __HAL_RCC_PLL_ENABLE() SET_BIT(RCC->CR, RCC_CR_PLLON)
  783. #define __HAL_RCC_PLL_DISABLE() CLEAR_BIT(RCC->CR, RCC_CR_PLLON)
  784. /** @brief Macro to configure the PLL clock source.
  785. * @note This function must be used only when the main PLL is disabled.
  786. * @param __PLLSOURCE__: specifies the PLL entry clock source.
  787. * This parameter can be one of the following values:
  788. * @arg RCC_PLLSOURCE_HSI: HSI oscillator clock selected as PLL clock entry
  789. * @arg RCC_PLLSOURCE_HSE: HSE oscillator clock selected as PLL clock entry
  790. *
  791. */
  792. #define __HAL_RCC_PLL_PLLSOURCE_CONFIG(__PLLSOURCE__) MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC, (__PLLSOURCE__))
  793. /** @brief Macro to configure the PLL multiplication factor.
  794. * @note This function must be used only when the main PLL is disabled.
  795. * @param __PLLM__: specifies the division factor for PLL VCO input clock
  796. * This parameter must be a number between Min_Data = 2 and Max_Data = 63.
  797. * @note You have to set the PLLM parameter correctly to ensure that the VCO input
  798. * frequency ranges from 1 to 2 MHz. It is recommended to select a frequency
  799. * of 2 MHz to limit PLL jitter.
  800. *
  801. */
  802. #define __HAL_RCC_PLL_PLLM_CONFIG(__PLLM__) MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLM, (__PLLM__))
  803. /**
  804. * @}
  805. */
  806. /** @defgroup RCC_PLL_I2S_Configuration PLL I2S Configuration
  807. * @{
  808. */
  809. /** @brief Macro to configure the I2S clock source (I2SCLK).
  810. * @note This function must be called before enabling the I2S APB clock.
  811. * @param __SOURCE__: specifies the I2S clock source.
  812. * This parameter can be one of the following values:
  813. * @arg RCC_I2SCLKSOURCE_PLLI2S: PLLI2S clock used as I2S clock source.
  814. * @arg RCC_I2SCLKSOURCE_EXT: External clock mapped on the I2S_CKIN pin
  815. * used as I2S clock source.
  816. */
  817. #define __HAL_RCC_I2S_CONFIG(__SOURCE__) do {RCC->CFGR &= ~(RCC_CFGR_I2SSRC); \
  818. RCC->CFGR |= (__SOURCE__); \
  819. }while(0)
  820. /** @brief Macros to enable or disable the PLLI2S.
  821. * @note The PLLI2S is disabled by hardware when entering STOP and STANDBY modes.
  822. */
  823. #define __HAL_RCC_PLLI2S_ENABLE() (RCC->CR |= (RCC_CR_PLLI2SON))
  824. #define __HAL_RCC_PLLI2S_DISABLE() (RCC->CR &= ~(RCC_CR_PLLI2SON))
  825. /**
  826. * @}
  827. */
  828. /** @defgroup RCC_Get_Clock_source Get Clock source
  829. * @{
  830. */
  831. /**
  832. * @brief Macro to configure the system clock source.
  833. * @param __RCC_SYSCLKSOURCE__: specifies the system clock source.
  834. * This parameter can be one of the following values:
  835. * - RCC_SYSCLKSOURCE_HSI: HSI oscillator is used as system clock source.
  836. * - RCC_SYSCLKSOURCE_HSE: HSE oscillator is used as system clock source.
  837. * - RCC_SYSCLKSOURCE_PLLCLK: PLL output is used as system clock source.
  838. */
  839. #define __HAL_RCC_SYSCLK_CONFIG(__RCC_SYSCLKSOURCE__) MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, (__RCC_SYSCLKSOURCE__))
  840. /** @brief Macro to get the clock source used as system clock.
  841. * @retval The clock source used as system clock. The returned value can be one
  842. * of the following:
  843. * - RCC_SYSCLKSOURCE_STATUS_HSI: HSI used as system clock.
  844. * - RCC_SYSCLKSOURCE_STATUS_HSE: HSE used as system clock.
  845. * - RCC_SYSCLKSOURCE_STATUS_PLLCLK: PLL used as system clock.
  846. */
  847. #define __HAL_RCC_GET_SYSCLK_SOURCE() ((uint32_t)(RCC->CFGR & RCC_CFGR_SWS))
  848. /**
  849. * @brief Macro to configures the External Low Speed oscillator (LSE) drive capability.
  850. * @note As the LSE is in the Backup domain and write access is denied to
  851. * this domain after reset, you have to enable write access using
  852. * HAL_PWR_EnableBkUpAccess() function before to configure the LSE
  853. * (to be done once after reset).
  854. * @param __RCC_LSEDRIVE__: specifies the new state of the LSE drive capability.
  855. * This parameter can be one of the following values:
  856. * @arg RCC_LSEDRIVE_LOW: LSE oscillator low drive capability.
  857. * @arg RCC_LSEDRIVE_MEDIUMLOW: LSE oscillator medium low drive capability.
  858. * @arg RCC_LSEDRIVE_MEDIUMHIGH: LSE oscillator medium high drive capability.
  859. * @arg RCC_LSEDRIVE_HIGH: LSE oscillator high drive capability.
  860. * @retval None
  861. */
  862. #define __HAL_RCC_LSEDRIVE_CONFIG(__RCC_LSEDRIVE__) \
  863. (MODIFY_REG(RCC->BDCR, RCC_BDCR_LSEDRV, (uint32_t)(__RCC_LSEDRIVE__) ))
  864. /** @brief Macro to get the oscillator used as PLL clock source.
  865. * @retval The oscillator used as PLL clock source. The returned value can be one
  866. * of the following:
  867. * - RCC_PLLSOURCE_HSI: HSI oscillator is used as PLL clock source.
  868. * - RCC_PLLSOURCE_HSE: HSE oscillator is used as PLL clock source.
  869. */
  870. #define __HAL_RCC_GET_PLL_OSCSOURCE() ((uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC))
  871. /**
  872. * @}
  873. */
  874. /** @defgroup RCCEx_MCOx_Clock_Config RCC Extended MCOx Clock Config
  875. * @{
  876. */
  877. /** @brief Macro to configure the MCO1 clock.
  878. * @param __MCOCLKSOURCE__ specifies the MCO clock source.
  879. * This parameter can be one of the following values:
  880. * @arg RCC_MCO1SOURCE_HSI: HSI clock selected as MCO1 source
  881. * @arg RCC_MCO1SOURCE_LSE: LSE clock selected as MCO1 source
  882. * @arg RCC_MCO1SOURCE_HSE: HSE clock selected as MCO1 source
  883. * @arg RCC_MCO1SOURCE_PLLCLK: main PLL clock selected as MCO1 source
  884. * @param __MCODIV__ specifies the MCO clock prescaler.
  885. * This parameter can be one of the following values:
  886. * @arg RCC_MCODIV_1: no division applied to MCOx clock
  887. * @arg RCC_MCODIV_2: division by 2 applied to MCOx clock
  888. * @arg RCC_MCODIV_3: division by 3 applied to MCOx clock
  889. * @arg RCC_MCODIV_4: division by 4 applied to MCOx clock
  890. * @arg RCC_MCODIV_5: division by 5 applied to MCOx clock
  891. */
  892. #define __HAL_RCC_MCO1_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \
  893. MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO1 | RCC_CFGR_MCO1PRE), ((__MCOCLKSOURCE__) | (__MCODIV__)))
  894. /** @brief Macro to configure the MCO2 clock.
  895. * @param __MCOCLKSOURCE__ specifies the MCO clock source.
  896. * This parameter can be one of the following values:
  897. * @arg RCC_MCO2SOURCE_SYSCLK: System clock (SYSCLK) selected as MCO2 source
  898. * @arg RCC_MCO2SOURCE_PLLI2SCLK: PLLI2S clock selected as MCO2 source
  899. * @arg RCC_MCO2SOURCE_HSE: HSE clock selected as MCO2 source
  900. * @arg RCC_MCO2SOURCE_PLLCLK: main PLL clock selected as MCO2 source
  901. * @param __MCODIV__ specifies the MCO clock prescaler.
  902. * This parameter can be one of the following values:
  903. * @arg RCC_MCODIV_1: no division applied to MCOx clock
  904. * @arg RCC_MCODIV_2: division by 2 applied to MCOx clock
  905. * @arg RCC_MCODIV_3: division by 3 applied to MCOx clock
  906. * @arg RCC_MCODIV_4: division by 4 applied to MCOx clock
  907. * @arg RCC_MCODIV_5: division by 5 applied to MCOx clock
  908. */
  909. #define __HAL_RCC_MCO2_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \
  910. MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO2 | RCC_CFGR_MCO2PRE), ((__MCOCLKSOURCE__) | ((__MCODIV__) << 3)));
  911. /**
  912. * @}
  913. */
  914. /** @defgroup RCC_Flags_Interrupts_Management Flags Interrupts Management
  915. * @brief macros to manage the specified RCC Flags and interrupts.
  916. * @{
  917. */
  918. /** @brief Enable RCC interrupt (Perform Byte access to RCC_CIR[14:8] bits to enable
  919. * the selected interrupts).
  920. * @param __INTERRUPT__: specifies the RCC interrupt sources to be enabled.
  921. * This parameter can be any combination of the following values:
  922. * @arg RCC_IT_LSIRDY: LSI ready interrupt.
  923. * @arg RCC_IT_LSERDY: LSE ready interrupt.
  924. * @arg RCC_IT_HSIRDY: HSI ready interrupt.
  925. * @arg RCC_IT_HSERDY: HSE ready interrupt.
  926. * @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
  927. * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
  928. */
  929. #define __HAL_RCC_ENABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS |= (__INTERRUPT__))
  930. /** @brief Disable RCC interrupt (Perform Byte access to RCC_CIR[14:8] bits to disable
  931. * the selected interrupts).
  932. * @param __INTERRUPT__: specifies the RCC interrupt sources to be disabled.
  933. * This parameter can be any combination of the following values:
  934. * @arg RCC_IT_LSIRDY: LSI ready interrupt.
  935. * @arg RCC_IT_LSERDY: LSE ready interrupt.
  936. * @arg RCC_IT_HSIRDY: HSI ready interrupt.
  937. * @arg RCC_IT_HSERDY: HSE ready interrupt.
  938. * @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
  939. * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
  940. */
  941. #define __HAL_RCC_DISABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS &= (uint8_t)(~(__INTERRUPT__)))
  942. /** @brief Clear the RCC's interrupt pending bits (Perform Byte access to RCC_CIR[23:16]
  943. * bits to clear the selected interrupt pending bits.
  944. * @param __INTERRUPT__: specifies the interrupt pending bit to clear.
  945. * This parameter can be any combination of the following values:
  946. * @arg RCC_IT_LSIRDY: LSI ready interrupt.
  947. * @arg RCC_IT_LSERDY: LSE ready interrupt.
  948. * @arg RCC_IT_HSIRDY: HSI ready interrupt.
  949. * @arg RCC_IT_HSERDY: HSE ready interrupt.
  950. * @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
  951. * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
  952. * @arg RCC_IT_CSS: Clock Security System interrupt
  953. */
  954. #define __HAL_RCC_CLEAR_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE2_ADDRESS = (__INTERRUPT__))
  955. /** @brief Check the RCC's interrupt has occurred or not.
  956. * @param __INTERRUPT__: specifies the RCC interrupt source to check.
  957. * This parameter can be one of the following values:
  958. * @arg RCC_IT_LSIRDY: LSI ready interrupt.
  959. * @arg RCC_IT_LSERDY: LSE ready interrupt.
  960. * @arg RCC_IT_HSIRDY: HSI ready interrupt.
  961. * @arg RCC_IT_HSERDY: HSE ready interrupt.
  962. * @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
  963. * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
  964. * @arg RCC_IT_CSS: Clock Security System interrupt
  965. * @retval The new state of __INTERRUPT__ (TRUE or FALSE).
  966. */
  967. #define __HAL_RCC_GET_IT(__INTERRUPT__) ((RCC->CIR & (__INTERRUPT__)) == (__INTERRUPT__))
  968. /** @brief Set RMVF bit to clear the reset flags: RCC_FLAG_PINRST, RCC_FLAG_PORRST,
  969. * RCC_FLAG_SFTRST, RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST and RCC_FLAG_LPWRRST.
  970. */
  971. #define __HAL_RCC_CLEAR_RESET_FLAGS() (RCC->CSR |= RCC_CSR_RMVF)
  972. /** @brief Check RCC flag is set or not.
  973. * @param __FLAG__: specifies the flag to check.
  974. * This parameter can be one of the following values:
  975. * @arg RCC_FLAG_HSIRDY: HSI oscillator clock ready.
  976. * @arg RCC_FLAG_HSERDY: HSE oscillator clock ready.
  977. * @arg RCC_FLAG_PLLRDY: Main PLL clock ready.
  978. * @arg RCC_FLAG_PLLI2SRDY: PLLI2S clock ready.
  979. * @arg RCC_FLAG_LSERDY: LSE oscillator clock ready.
  980. * @arg RCC_FLAG_LSIRDY: LSI oscillator clock ready.
  981. * @arg RCC_FLAG_BORRST: POR/PDR or BOR reset.
  982. * @arg RCC_FLAG_PINRST: Pin reset.
  983. * @arg RCC_FLAG_PORRST: POR/PDR reset.
  984. * @arg RCC_FLAG_SFTRST: Software reset.
  985. * @arg RCC_FLAG_IWDGRST: Independent Watchdog reset.
  986. * @arg RCC_FLAG_WWDGRST: Window Watchdog reset.
  987. * @arg RCC_FLAG_LPWRRST: Low Power reset.
  988. * @retval The new state of __FLAG__ (TRUE or FALSE).
  989. */
  990. #define RCC_FLAG_MASK ((uint8_t)0x1F)
  991. #define __HAL_RCC_GET_FLAG(__FLAG__) (((((((__FLAG__) >> 5) == 1)? RCC->CR :((((__FLAG__) >> 5) == 2) ? RCC->BDCR :((((__FLAG__) >> 5) == 3)? RCC->CSR :RCC->CIR))) & ((uint32_t)1 << ((__FLAG__) & RCC_FLAG_MASK)))!= 0)? 1 : 0)
  992. /**
  993. * @}
  994. */
  995. /**
  996. * @}
  997. */
  998. /* Include RCC HAL Extension module */
  999. #include "stm32f7xx_hal_rcc_ex.h"
  1000. /* Exported functions --------------------------------------------------------*/
  1001. /** @addtogroup RCC_Exported_Functions
  1002. * @{
  1003. */
  1004. /** @addtogroup RCC_Exported_Functions_Group1
  1005. * @{
  1006. */
  1007. /* Initialization and de-initialization functions ******************************/
  1008. void HAL_RCC_DeInit(void);
  1009. HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct);
  1010. HAL_StatusTypeDef HAL_RCC_ClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t FLatency);
  1011. /**
  1012. * @}
  1013. */
  1014. /** @addtogroup RCC_Exported_Functions_Group2
  1015. * @{
  1016. */
  1017. /* Peripheral Control functions ************************************************/
  1018. void HAL_RCC_MCOConfig(uint32_t RCC_MCOx, uint32_t RCC_MCOSource, uint32_t RCC_MCODiv);
  1019. void HAL_RCC_EnableCSS(void);
  1020. void HAL_RCC_DisableCSS(void);
  1021. uint32_t HAL_RCC_GetSysClockFreq(void);
  1022. uint32_t HAL_RCC_GetHCLKFreq(void);
  1023. uint32_t HAL_RCC_GetPCLK1Freq(void);
  1024. uint32_t HAL_RCC_GetPCLK2Freq(void);
  1025. void HAL_RCC_GetOscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct);
  1026. void HAL_RCC_GetClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t *pFLatency);
  1027. /* CSS NMI IRQ handler */
  1028. void HAL_RCC_NMI_IRQHandler(void);
  1029. /* User Callbacks in non blocking mode (IT mode) */
  1030. void HAL_RCC_CSSCallback(void);
  1031. /**
  1032. * @}
  1033. */
  1034. /**
  1035. * @}
  1036. */
  1037. /* Private types -------------------------------------------------------------*/
  1038. /* Private variables ---------------------------------------------------------*/
  1039. /* Private constants ---------------------------------------------------------*/
  1040. /** @defgroup RCC_Private_Constants RCC Private Constants
  1041. * @{
  1042. */
  1043. #define HSE_TIMEOUT_VALUE HSE_STARTUP_TIMEOUT
  1044. #define HSI_TIMEOUT_VALUE ((uint32_t)2) /* 2 ms */
  1045. #define LSI_TIMEOUT_VALUE ((uint32_t)2) /* 2 ms */
  1046. #define PLL_TIMEOUT_VALUE ((uint32_t)2) /* 2 ms */
  1047. #define CLOCKSWITCH_TIMEOUT_VALUE ((uint32_t)5000) /* 5 s */
  1048. /** @defgroup RCC_BitAddress_Alias RCC BitAddress Alias
  1049. * @brief RCC registers bit address alias
  1050. * @{
  1051. */
  1052. /* CIR register byte 2 (Bits[15:8]) base address */
  1053. #define RCC_CIR_BYTE1_ADDRESS ((uint32_t)(RCC_BASE + 0x0C + 0x01))
  1054. /* CIR register byte 3 (Bits[23:16]) base address */
  1055. #define RCC_CIR_BYTE2_ADDRESS ((uint32_t)(RCC_BASE + 0x0C + 0x02))
  1056. #define RCC_DBP_TIMEOUT_VALUE ((uint32_t)100)
  1057. #define RCC_LSE_TIMEOUT_VALUE LSE_STARTUP_TIMEOUT
  1058. /**
  1059. * @}
  1060. */
  1061. /**
  1062. * @}
  1063. */
  1064. /* Private macros ------------------------------------------------------------*/
  1065. /** @addtogroup RCC_Private_Macros RCC Private Macros
  1066. * @{
  1067. */
  1068. /** @defgroup RCC_IS_RCC_Definitions RCC Private macros to check input parameters
  1069. * @{
  1070. */
  1071. #define IS_RCC_OSCILLATORTYPE(OSCILLATOR) ((OSCILLATOR) <= 15)
  1072. #define IS_RCC_HSE(HSE) (((HSE) == RCC_HSE_OFF) || ((HSE) == RCC_HSE_ON) || \
  1073. ((HSE) == RCC_HSE_BYPASS))
  1074. #define IS_RCC_LSE(LSE) (((LSE) == RCC_LSE_OFF) || ((LSE) == RCC_LSE_ON) || \
  1075. ((LSE) == RCC_LSE_BYPASS))
  1076. #define IS_RCC_HSI(HSI) (((HSI) == RCC_HSI_OFF) || ((HSI) == RCC_HSI_ON))
  1077. #define IS_RCC_LSI(LSI) (((LSI) == RCC_LSI_OFF) || ((LSI) == RCC_LSI_ON))
  1078. #define IS_RCC_PLL(PLL) (((PLL) == RCC_PLL_NONE) ||((PLL) == RCC_PLL_OFF) || ((PLL) == RCC_PLL_ON))
  1079. #define IS_RCC_PLLSOURCE(SOURCE) (((SOURCE) == RCC_PLLSOURCE_HSI) || \
  1080. ((SOURCE) == RCC_PLLSOURCE_HSE))
  1081. #define IS_RCC_SYSCLKSOURCE(SOURCE) (((SOURCE) == RCC_SYSCLKSOURCE_HSI) || \
  1082. ((SOURCE) == RCC_SYSCLKSOURCE_HSE) || \
  1083. ((SOURCE) == RCC_SYSCLKSOURCE_PLLCLK))
  1084. #define IS_RCC_PLLM_VALUE(VALUE) ((2 <= (VALUE)) && ((VALUE) <= 63))
  1085. #define IS_RCC_PLLN_VALUE(VALUE) ((50 <= (VALUE)) && ((VALUE) <= 432))
  1086. #define IS_RCC_PLLP_VALUE(VALUE) (((VALUE) == RCC_PLLP_DIV2) || ((VALUE) == RCC_PLLP_DIV4) || \
  1087. ((VALUE) == RCC_PLLP_DIV6) || ((VALUE) == RCC_PLLP_DIV8))
  1088. #define IS_RCC_PLLQ_VALUE(VALUE) ((2 <= (VALUE)) && ((VALUE) <= 15))
  1089. #define IS_RCC_HCLK(HCLK) (((HCLK) == RCC_SYSCLK_DIV1) || ((HCLK) == RCC_SYSCLK_DIV2) || \
  1090. ((HCLK) == RCC_SYSCLK_DIV4) || ((HCLK) == RCC_SYSCLK_DIV8) || \
  1091. ((HCLK) == RCC_SYSCLK_DIV16) || ((HCLK) == RCC_SYSCLK_DIV64) || \
  1092. ((HCLK) == RCC_SYSCLK_DIV128) || ((HCLK) == RCC_SYSCLK_DIV256) || \
  1093. ((HCLK) == RCC_SYSCLK_DIV512))
  1094. #define IS_RCC_CLOCKTYPE(CLK) ((1 <= (CLK)) && ((CLK) <= 15))
  1095. #define IS_RCC_PCLK(PCLK) (((PCLK) == RCC_HCLK_DIV1) || ((PCLK) == RCC_HCLK_DIV2) || \
  1096. ((PCLK) == RCC_HCLK_DIV4) || ((PCLK) == RCC_HCLK_DIV8) || \
  1097. ((PCLK) == RCC_HCLK_DIV16))
  1098. #define IS_RCC_MCO(MCOX) (((MCOX) == RCC_MCO1) || ((MCOX) == RCC_MCO2))
  1099. #define IS_RCC_MCO1SOURCE(SOURCE) (((SOURCE) == RCC_MCO1SOURCE_HSI) || ((SOURCE) == RCC_MCO1SOURCE_LSE) || \
  1100. ((SOURCE) == RCC_MCO1SOURCE_HSE) || ((SOURCE) == RCC_MCO1SOURCE_PLLCLK))
  1101. #define IS_RCC_MCO2SOURCE(SOURCE) (((SOURCE) == RCC_MCO2SOURCE_SYSCLK) || ((SOURCE) == RCC_MCO2SOURCE_PLLI2SCLK)|| \
  1102. ((SOURCE) == RCC_MCO2SOURCE_HSE) || ((SOURCE) == RCC_MCO2SOURCE_PLLCLK))
  1103. #define IS_RCC_MCODIV(DIV) (((DIV) == RCC_MCODIV_1) || ((DIV) == RCC_MCODIV_2) || \
  1104. ((DIV) == RCC_MCODIV_3) || ((DIV) == RCC_MCODIV_4) || \
  1105. ((DIV) == RCC_MCODIV_5))
  1106. #define IS_RCC_CALIBRATION_VALUE(VALUE) ((VALUE) <= 0x1F)
  1107. #define IS_RCC_RTCCLKSOURCE(SOURCE) (((SOURCE) == RCC_RTCCLKSOURCE_LSE) || ((SOURCE) == RCC_RTCCLKSOURCE_LSI) || \
  1108. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV2) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV3) || \
  1109. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV4) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV5) || \
  1110. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV6) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV7) || \
  1111. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV8) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV9) || \
  1112. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV10) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV11) || \
  1113. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV12) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV13) || \
  1114. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV14) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV15) || \
  1115. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV16) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV17) || \
  1116. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV18) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV19) || \
  1117. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV20) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV21) || \
  1118. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV22) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV23) || \
  1119. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV24) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV25) || \
  1120. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV26) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV27) || \
  1121. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV28) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV29) || \
  1122. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV30) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV31))
  1123. #define IS_RCC_LSE_DRIVE(DRIVE) (((DRIVE) == RCC_LSEDRIVE_LOW) || \
  1124. ((DRIVE) == RCC_LSEDRIVE_MEDIUMLOW) || \
  1125. ((DRIVE) == RCC_LSEDRIVE_MEDIUMHIGH) || \
  1126. ((DRIVE) == RCC_LSEDRIVE_HIGH))
  1127. /**
  1128. * @}
  1129. */
  1130. /**
  1131. * @}
  1132. */
  1133. /**
  1134. * @}
  1135. */
  1136. /**
  1137. * @}
  1138. */
  1139. #ifdef __cplusplus
  1140. }
  1141. #endif
  1142. #endif /* __STM32F7xx_HAL_RCC_H */
  1143. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/