stm32f4xx_hal_rcc.h 72 KB

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  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. * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
  10. * All rights reserved.</center></h2>
  11. *
  12. * This software component is licensed by ST under BSD 3-Clause license,
  13. * the "License"; You may not use this file except in compliance with the
  14. * License. You may obtain a copy of the License at:
  15. * opensource.org/licenses/BSD-3-Clause
  16. *
  17. ******************************************************************************
  18. */
  19. /* Define to prevent recursive inclusion -------------------------------------*/
  20. #ifndef __STM32F4xx_HAL_RCC_H
  21. #define __STM32F4xx_HAL_RCC_H
  22. #ifdef __cplusplus
  23. extern "C" {
  24. #endif
  25. /* Includes ------------------------------------------------------------------*/
  26. #include "stm32f4xx_hal_def.h"
  27. /* Include RCC HAL Extended module */
  28. /* (include on top of file since RCC structures are defined in extended file) */
  29. #include "stm32f4xx_hal_rcc_ex.h"
  30. /** @addtogroup STM32F4xx_HAL_Driver
  31. * @{
  32. */
  33. /** @addtogroup RCC
  34. * @{
  35. */
  36. /* Exported types ------------------------------------------------------------*/
  37. /** @defgroup RCC_Exported_Types RCC Exported Types
  38. * @{
  39. */
  40. /**
  41. * @brief RCC Internal/External Oscillator (HSE, HSI, LSE and LSI) configuration structure definition
  42. */
  43. typedef struct
  44. {
  45. uint32_t OscillatorType; /*!< The oscillators to be configured.
  46. This parameter can be a value of @ref RCC_Oscillator_Type */
  47. uint32_t HSEState; /*!< The new state of the HSE.
  48. This parameter can be a value of @ref RCC_HSE_Config */
  49. uint32_t LSEState; /*!< The new state of the LSE.
  50. This parameter can be a value of @ref RCC_LSE_Config */
  51. uint32_t HSIState; /*!< The new state of the HSI.
  52. This parameter can be a value of @ref RCC_HSI_Config */
  53. uint32_t HSICalibrationValue; /*!< The HSI calibration trimming value (default is RCC_HSICALIBRATION_DEFAULT).
  54. This parameter must be a number between Min_Data = 0x00 and Max_Data = 0x1F */
  55. uint32_t LSIState; /*!< The new state of the LSI.
  56. This parameter can be a value of @ref RCC_LSI_Config */
  57. RCC_PLLInitTypeDef PLL; /*!< PLL structure parameters */
  58. }RCC_OscInitTypeDef;
  59. /**
  60. * @brief RCC System, AHB and APB busses clock configuration structure definition
  61. */
  62. typedef struct
  63. {
  64. uint32_t ClockType; /*!< The clock to be configured.
  65. This parameter can be a value of @ref RCC_System_Clock_Type */
  66. uint32_t SYSCLKSource; /*!< The clock source (SYSCLKS) used as system clock.
  67. This parameter can be a value of @ref RCC_System_Clock_Source */
  68. uint32_t AHBCLKDivider; /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
  69. This parameter can be a value of @ref RCC_AHB_Clock_Source */
  70. uint32_t APB1CLKDivider; /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
  71. This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */
  72. uint32_t APB2CLKDivider; /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
  73. This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */
  74. }RCC_ClkInitTypeDef;
  75. /**
  76. * @}
  77. */
  78. /* Exported constants --------------------------------------------------------*/
  79. /** @defgroup RCC_Exported_Constants RCC Exported Constants
  80. * @{
  81. */
  82. /** @defgroup RCC_Oscillator_Type Oscillator Type
  83. * @{
  84. */
  85. #define RCC_OSCILLATORTYPE_NONE 0x00000000U
  86. #define RCC_OSCILLATORTYPE_HSE 0x00000001U
  87. #define RCC_OSCILLATORTYPE_HSI 0x00000002U
  88. #define RCC_OSCILLATORTYPE_LSE 0x00000004U
  89. #define RCC_OSCILLATORTYPE_LSI 0x00000008U
  90. /**
  91. * @}
  92. */
  93. /** @defgroup RCC_HSE_Config HSE Config
  94. * @{
  95. */
  96. #define RCC_HSE_OFF 0x00000000U
  97. #define RCC_HSE_ON RCC_CR_HSEON
  98. #define RCC_HSE_BYPASS ((uint32_t)(RCC_CR_HSEBYP | RCC_CR_HSEON))
  99. /**
  100. * @}
  101. */
  102. /** @defgroup RCC_LSE_Config LSE Config
  103. * @{
  104. */
  105. #define RCC_LSE_OFF 0x00000000U
  106. #define RCC_LSE_ON RCC_BDCR_LSEON
  107. #define RCC_LSE_BYPASS ((uint32_t)(RCC_BDCR_LSEBYP | RCC_BDCR_LSEON))
  108. /**
  109. * @}
  110. */
  111. /** @defgroup RCC_HSI_Config HSI Config
  112. * @{
  113. */
  114. #define RCC_HSI_OFF ((uint8_t)0x00)
  115. #define RCC_HSI_ON ((uint8_t)0x01)
  116. #define RCC_HSICALIBRATION_DEFAULT 0x10U /* Default HSI calibration trimming value */
  117. /**
  118. * @}
  119. */
  120. /** @defgroup RCC_LSI_Config LSI Config
  121. * @{
  122. */
  123. #define RCC_LSI_OFF ((uint8_t)0x00)
  124. #define RCC_LSI_ON ((uint8_t)0x01)
  125. /**
  126. * @}
  127. */
  128. /** @defgroup RCC_PLL_Config PLL Config
  129. * @{
  130. */
  131. #define RCC_PLL_NONE ((uint8_t)0x00)
  132. #define RCC_PLL_OFF ((uint8_t)0x01)
  133. #define RCC_PLL_ON ((uint8_t)0x02)
  134. /**
  135. * @}
  136. */
  137. /** @defgroup RCC_PLLP_Clock_Divider PLLP Clock Divider
  138. * @{
  139. */
  140. #define RCC_PLLP_DIV2 0x00000002U
  141. #define RCC_PLLP_DIV4 0x00000004U
  142. #define RCC_PLLP_DIV6 0x00000006U
  143. #define RCC_PLLP_DIV8 0x00000008U
  144. /**
  145. * @}
  146. */
  147. /** @defgroup RCC_PLL_Clock_Source PLL Clock Source
  148. * @{
  149. */
  150. #define RCC_PLLSOURCE_HSI RCC_PLLCFGR_PLLSRC_HSI
  151. #define RCC_PLLSOURCE_HSE RCC_PLLCFGR_PLLSRC_HSE
  152. /**
  153. * @}
  154. */
  155. /** @defgroup RCC_System_Clock_Type System Clock Type
  156. * @{
  157. */
  158. #define RCC_CLOCKTYPE_SYSCLK 0x00000001U
  159. #define RCC_CLOCKTYPE_HCLK 0x00000002U
  160. #define RCC_CLOCKTYPE_PCLK1 0x00000004U
  161. #define RCC_CLOCKTYPE_PCLK2 0x00000008U
  162. /**
  163. * @}
  164. */
  165. /** @defgroup RCC_System_Clock_Source System Clock Source
  166. * @note The RCC_SYSCLKSOURCE_PLLRCLK parameter is available only for
  167. * STM32F446xx devices.
  168. * @{
  169. */
  170. #define RCC_SYSCLKSOURCE_HSI RCC_CFGR_SW_HSI
  171. #define RCC_SYSCLKSOURCE_HSE RCC_CFGR_SW_HSE
  172. #define RCC_SYSCLKSOURCE_PLLCLK RCC_CFGR_SW_PLL
  173. #define RCC_SYSCLKSOURCE_PLLRCLK ((uint32_t)(RCC_CFGR_SW_0 | RCC_CFGR_SW_1))
  174. /**
  175. * @}
  176. */
  177. /** @defgroup RCC_System_Clock_Source_Status System Clock Source Status
  178. * @note The RCC_SYSCLKSOURCE_STATUS_PLLRCLK parameter is available only for
  179. * STM32F446xx devices.
  180. * @{
  181. */
  182. #define RCC_SYSCLKSOURCE_STATUS_HSI RCC_CFGR_SWS_HSI /*!< HSI used as system clock */
  183. #define RCC_SYSCLKSOURCE_STATUS_HSE RCC_CFGR_SWS_HSE /*!< HSE used as system clock */
  184. #define RCC_SYSCLKSOURCE_STATUS_PLLCLK RCC_CFGR_SWS_PLL /*!< PLL used as system clock */
  185. #define RCC_SYSCLKSOURCE_STATUS_PLLRCLK ((uint32_t)(RCC_CFGR_SWS_0 | RCC_CFGR_SWS_1)) /*!< PLLR used as system clock */
  186. /**
  187. * @}
  188. */
  189. /** @defgroup RCC_AHB_Clock_Source AHB Clock Source
  190. * @{
  191. */
  192. #define RCC_SYSCLK_DIV1 RCC_CFGR_HPRE_DIV1
  193. #define RCC_SYSCLK_DIV2 RCC_CFGR_HPRE_DIV2
  194. #define RCC_SYSCLK_DIV4 RCC_CFGR_HPRE_DIV4
  195. #define RCC_SYSCLK_DIV8 RCC_CFGR_HPRE_DIV8
  196. #define RCC_SYSCLK_DIV16 RCC_CFGR_HPRE_DIV16
  197. #define RCC_SYSCLK_DIV64 RCC_CFGR_HPRE_DIV64
  198. #define RCC_SYSCLK_DIV128 RCC_CFGR_HPRE_DIV128
  199. #define RCC_SYSCLK_DIV256 RCC_CFGR_HPRE_DIV256
  200. #define RCC_SYSCLK_DIV512 RCC_CFGR_HPRE_DIV512
  201. /**
  202. * @}
  203. */
  204. /** @defgroup RCC_APB1_APB2_Clock_Source APB1/APB2 Clock Source
  205. * @{
  206. */
  207. #define RCC_HCLK_DIV1 RCC_CFGR_PPRE1_DIV1
  208. #define RCC_HCLK_DIV2 RCC_CFGR_PPRE1_DIV2
  209. #define RCC_HCLK_DIV4 RCC_CFGR_PPRE1_DIV4
  210. #define RCC_HCLK_DIV8 RCC_CFGR_PPRE1_DIV8
  211. #define RCC_HCLK_DIV16 RCC_CFGR_PPRE1_DIV16
  212. /**
  213. * @}
  214. */
  215. /** @defgroup RCC_RTC_Clock_Source RTC Clock Source
  216. * @{
  217. */
  218. #define RCC_RTCCLKSOURCE_NO_CLK 0x00000000U
  219. #define RCC_RTCCLKSOURCE_LSE 0x00000100U
  220. #define RCC_RTCCLKSOURCE_LSI 0x00000200U
  221. #define RCC_RTCCLKSOURCE_HSE_DIVX 0x00000300U
  222. #define RCC_RTCCLKSOURCE_HSE_DIV2 0x00020300U
  223. #define RCC_RTCCLKSOURCE_HSE_DIV3 0x00030300U
  224. #define RCC_RTCCLKSOURCE_HSE_DIV4 0x00040300U
  225. #define RCC_RTCCLKSOURCE_HSE_DIV5 0x00050300U
  226. #define RCC_RTCCLKSOURCE_HSE_DIV6 0x00060300U
  227. #define RCC_RTCCLKSOURCE_HSE_DIV7 0x00070300U
  228. #define RCC_RTCCLKSOURCE_HSE_DIV8 0x00080300U
  229. #define RCC_RTCCLKSOURCE_HSE_DIV9 0x00090300U
  230. #define RCC_RTCCLKSOURCE_HSE_DIV10 0x000A0300U
  231. #define RCC_RTCCLKSOURCE_HSE_DIV11 0x000B0300U
  232. #define RCC_RTCCLKSOURCE_HSE_DIV12 0x000C0300U
  233. #define RCC_RTCCLKSOURCE_HSE_DIV13 0x000D0300U
  234. #define RCC_RTCCLKSOURCE_HSE_DIV14 0x000E0300U
  235. #define RCC_RTCCLKSOURCE_HSE_DIV15 0x000F0300U
  236. #define RCC_RTCCLKSOURCE_HSE_DIV16 0x00100300U
  237. #define RCC_RTCCLKSOURCE_HSE_DIV17 0x00110300U
  238. #define RCC_RTCCLKSOURCE_HSE_DIV18 0x00120300U
  239. #define RCC_RTCCLKSOURCE_HSE_DIV19 0x00130300U
  240. #define RCC_RTCCLKSOURCE_HSE_DIV20 0x00140300U
  241. #define RCC_RTCCLKSOURCE_HSE_DIV21 0x00150300U
  242. #define RCC_RTCCLKSOURCE_HSE_DIV22 0x00160300U
  243. #define RCC_RTCCLKSOURCE_HSE_DIV23 0x00170300U
  244. #define RCC_RTCCLKSOURCE_HSE_DIV24 0x00180300U
  245. #define RCC_RTCCLKSOURCE_HSE_DIV25 0x00190300U
  246. #define RCC_RTCCLKSOURCE_HSE_DIV26 0x001A0300U
  247. #define RCC_RTCCLKSOURCE_HSE_DIV27 0x001B0300U
  248. #define RCC_RTCCLKSOURCE_HSE_DIV28 0x001C0300U
  249. #define RCC_RTCCLKSOURCE_HSE_DIV29 0x001D0300U
  250. #define RCC_RTCCLKSOURCE_HSE_DIV30 0x001E0300U
  251. #define RCC_RTCCLKSOURCE_HSE_DIV31 0x001F0300U
  252. /**
  253. * @}
  254. */
  255. /** @defgroup RCC_MCO_Index MCO Index
  256. * @{
  257. */
  258. #define RCC_MCO1 0x00000000U
  259. #define RCC_MCO2 0x00000001U
  260. /**
  261. * @}
  262. */
  263. /** @defgroup RCC_MCO1_Clock_Source MCO1 Clock Source
  264. * @{
  265. */
  266. #define RCC_MCO1SOURCE_HSI 0x00000000U
  267. #define RCC_MCO1SOURCE_LSE RCC_CFGR_MCO1_0
  268. #define RCC_MCO1SOURCE_HSE RCC_CFGR_MCO1_1
  269. #define RCC_MCO1SOURCE_PLLCLK RCC_CFGR_MCO1
  270. /**
  271. * @}
  272. */
  273. /** @defgroup RCC_MCOx_Clock_Prescaler MCOx Clock Prescaler
  274. * @{
  275. */
  276. #define RCC_MCODIV_1 0x00000000U
  277. #define RCC_MCODIV_2 RCC_CFGR_MCO1PRE_2
  278. #define RCC_MCODIV_3 ((uint32_t)RCC_CFGR_MCO1PRE_0 | RCC_CFGR_MCO1PRE_2)
  279. #define RCC_MCODIV_4 ((uint32_t)RCC_CFGR_MCO1PRE_1 | RCC_CFGR_MCO1PRE_2)
  280. #define RCC_MCODIV_5 RCC_CFGR_MCO1PRE
  281. /**
  282. * @}
  283. */
  284. /** @defgroup RCC_Interrupt Interrupts
  285. * @{
  286. */
  287. #define RCC_IT_LSIRDY ((uint8_t)0x01)
  288. #define RCC_IT_LSERDY ((uint8_t)0x02)
  289. #define RCC_IT_HSIRDY ((uint8_t)0x04)
  290. #define RCC_IT_HSERDY ((uint8_t)0x08)
  291. #define RCC_IT_PLLRDY ((uint8_t)0x10)
  292. #define RCC_IT_PLLI2SRDY ((uint8_t)0x20)
  293. #define RCC_IT_CSS ((uint8_t)0x80)
  294. /**
  295. * @}
  296. */
  297. /** @defgroup RCC_Flag Flags
  298. * Elements values convention: 0XXYYYYYb
  299. * - YYYYY : Flag position in the register
  300. * - 0XX : Register index
  301. * - 01: CR register
  302. * - 10: BDCR register
  303. * - 11: CSR register
  304. * @{
  305. */
  306. /* Flags in the CR register */
  307. #define RCC_FLAG_HSIRDY ((uint8_t)0x21)
  308. #define RCC_FLAG_HSERDY ((uint8_t)0x31)
  309. #define RCC_FLAG_PLLRDY ((uint8_t)0x39)
  310. #define RCC_FLAG_PLLI2SRDY ((uint8_t)0x3B)
  311. /* Flags in the BDCR register */
  312. #define RCC_FLAG_LSERDY ((uint8_t)0x41)
  313. /* Flags in the CSR register */
  314. #define RCC_FLAG_LSIRDY ((uint8_t)0x61)
  315. #define RCC_FLAG_BORRST ((uint8_t)0x79)
  316. #define RCC_FLAG_PINRST ((uint8_t)0x7A)
  317. #define RCC_FLAG_PORRST ((uint8_t)0x7B)
  318. #define RCC_FLAG_SFTRST ((uint8_t)0x7C)
  319. #define RCC_FLAG_IWDGRST ((uint8_t)0x7D)
  320. #define RCC_FLAG_WWDGRST ((uint8_t)0x7E)
  321. #define RCC_FLAG_LPWRRST ((uint8_t)0x7F)
  322. /**
  323. * @}
  324. */
  325. /**
  326. * @}
  327. */
  328. /* Exported macro ------------------------------------------------------------*/
  329. /** @defgroup RCC_Exported_Macros RCC Exported Macros
  330. * @{
  331. */
  332. /** @defgroup RCC_AHB1_Clock_Enable_Disable AHB1 Peripheral Clock Enable Disable
  333. * @brief Enable or disable the AHB1 peripheral clock.
  334. * @note After reset, the peripheral clock (used for registers read/write access)
  335. * is disabled and the application software has to enable this clock before
  336. * using it.
  337. * @{
  338. */
  339. #define __HAL_RCC_GPIOA_CLK_ENABLE() do { \
  340. __IO uint32_t tmpreg = 0x00U; \
  341. SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOAEN);\
  342. /* Delay after an RCC peripheral clock enabling */ \
  343. tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOAEN);\
  344. UNUSED(tmpreg); \
  345. } while(0U)
  346. #define __HAL_RCC_GPIOB_CLK_ENABLE() do { \
  347. __IO uint32_t tmpreg = 0x00U; \
  348. SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOBEN);\
  349. /* Delay after an RCC peripheral clock enabling */ \
  350. tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOBEN);\
  351. UNUSED(tmpreg); \
  352. } while(0U)
  353. #define __HAL_RCC_GPIOC_CLK_ENABLE() do { \
  354. __IO uint32_t tmpreg = 0x00U; \
  355. SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOCEN);\
  356. /* Delay after an RCC peripheral clock enabling */ \
  357. tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOCEN);\
  358. UNUSED(tmpreg); \
  359. } while(0U)
  360. #define __HAL_RCC_GPIOH_CLK_ENABLE() do { \
  361. __IO uint32_t tmpreg = 0x00U; \
  362. SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOHEN);\
  363. /* Delay after an RCC peripheral clock enabling */ \
  364. tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOHEN);\
  365. UNUSED(tmpreg); \
  366. } while(0U)
  367. #define __HAL_RCC_DMA1_CLK_ENABLE() do { \
  368. __IO uint32_t tmpreg = 0x00U; \
  369. SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_DMA1EN);\
  370. /* Delay after an RCC peripheral clock enabling */ \
  371. tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_DMA1EN);\
  372. UNUSED(tmpreg); \
  373. } while(0U)
  374. #define __HAL_RCC_DMA2_CLK_ENABLE() do { \
  375. __IO uint32_t tmpreg = 0x00U; \
  376. SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_DMA2EN);\
  377. /* Delay after an RCC peripheral clock enabling */ \
  378. tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_DMA2EN);\
  379. UNUSED(tmpreg); \
  380. } while(0U)
  381. #define __HAL_RCC_GPIOA_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOAEN))
  382. #define __HAL_RCC_GPIOB_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOBEN))
  383. #define __HAL_RCC_GPIOC_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOCEN))
  384. #define __HAL_RCC_GPIOH_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOHEN))
  385. #define __HAL_RCC_DMA1_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_DMA1EN))
  386. #define __HAL_RCC_DMA2_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_DMA2EN))
  387. /**
  388. * @}
  389. */
  390. /** @defgroup RCC_AHB1_Peripheral_Clock_Enable_Disable_Status AHB1 Peripheral Clock Enable Disable Status
  391. * @brief Get the enable or disable status of the AHB1 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_GPIOA_IS_CLK_ENABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOAEN)) != RESET)
  398. #define __HAL_RCC_GPIOB_IS_CLK_ENABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOBEN)) != RESET)
  399. #define __HAL_RCC_GPIOC_IS_CLK_ENABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOCEN)) != RESET)
  400. #define __HAL_RCC_GPIOH_IS_CLK_ENABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOHEN)) != RESET)
  401. #define __HAL_RCC_DMA1_IS_CLK_ENABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_DMA1EN)) != RESET)
  402. #define __HAL_RCC_DMA2_IS_CLK_ENABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_DMA2EN)) != RESET)
  403. #define __HAL_RCC_GPIOA_IS_CLK_DISABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOAEN)) == RESET)
  404. #define __HAL_RCC_GPIOB_IS_CLK_DISABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOBEN)) == RESET)
  405. #define __HAL_RCC_GPIOC_IS_CLK_DISABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOCEN)) == RESET)
  406. #define __HAL_RCC_GPIOH_IS_CLK_DISABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOHEN)) == RESET)
  407. #define __HAL_RCC_DMA1_IS_CLK_DISABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_DMA1EN)) == RESET)
  408. #define __HAL_RCC_DMA2_IS_CLK_DISABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_DMA2EN)) == RESET)
  409. /**
  410. * @}
  411. */
  412. /** @defgroup RCC_APB1_Clock_Enable_Disable APB1 Peripheral Clock Enable Disable
  413. * @brief Enable or disable the Low Speed APB (APB1) peripheral clock.
  414. * @note After reset, the peripheral clock (used for registers read/write access)
  415. * is disabled and the application software has to enable this clock before
  416. * using it.
  417. * @{
  418. */
  419. #define __HAL_RCC_TIM5_CLK_ENABLE() do { \
  420. __IO uint32_t tmpreg = 0x00U; \
  421. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM5EN);\
  422. /* Delay after an RCC peripheral clock enabling */ \
  423. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM5EN);\
  424. UNUSED(tmpreg); \
  425. } while(0U)
  426. #define __HAL_RCC_WWDG_CLK_ENABLE() do { \
  427. __IO uint32_t tmpreg = 0x00U; \
  428. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN);\
  429. /* Delay after an RCC peripheral clock enabling */ \
  430. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN);\
  431. UNUSED(tmpreg); \
  432. } while(0U)
  433. #define __HAL_RCC_SPI2_CLK_ENABLE() do { \
  434. __IO uint32_t tmpreg = 0x00U; \
  435. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_SPI2EN);\
  436. /* Delay after an RCC peripheral clock enabling */ \
  437. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_SPI2EN);\
  438. UNUSED(tmpreg); \
  439. } while(0U)
  440. #define __HAL_RCC_USART2_CLK_ENABLE() do { \
  441. __IO uint32_t tmpreg = 0x00U; \
  442. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_USART2EN);\
  443. /* Delay after an RCC peripheral clock enabling */ \
  444. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_USART2EN);\
  445. UNUSED(tmpreg); \
  446. } while(0U)
  447. #define __HAL_RCC_I2C1_CLK_ENABLE() do { \
  448. __IO uint32_t tmpreg = 0x00U; \
  449. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C1EN);\
  450. /* Delay after an RCC peripheral clock enabling */ \
  451. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C1EN);\
  452. UNUSED(tmpreg); \
  453. } while(0U)
  454. #define __HAL_RCC_I2C2_CLK_ENABLE() do { \
  455. __IO uint32_t tmpreg = 0x00U; \
  456. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C2EN);\
  457. /* Delay after an RCC peripheral clock enabling */ \
  458. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C2EN);\
  459. UNUSED(tmpreg); \
  460. } while(0U)
  461. #define __HAL_RCC_PWR_CLK_ENABLE() do { \
  462. __IO uint32_t tmpreg = 0x00U; \
  463. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN);\
  464. /* Delay after an RCC peripheral clock enabling */ \
  465. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN);\
  466. UNUSED(tmpreg); \
  467. } while(0U)
  468. #define __HAL_RCC_TIM5_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM5EN))
  469. #define __HAL_RCC_WWDG_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_WWDGEN))
  470. #define __HAL_RCC_SPI2_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_SPI2EN))
  471. #define __HAL_RCC_USART2_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_USART2EN))
  472. #define __HAL_RCC_I2C1_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C1EN))
  473. #define __HAL_RCC_I2C2_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C2EN))
  474. #define __HAL_RCC_PWR_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_PWREN))
  475. /**
  476. * @}
  477. */
  478. /** @defgroup RCC_APB1_Peripheral_Clock_Enable_Disable_Status APB1 Peripheral Clock Enable Disable Status
  479. * @brief Get the enable or disable status of the APB1 peripheral clock.
  480. * @note After reset, the peripheral clock (used for registers read/write access)
  481. * is disabled and the application software has to enable this clock before
  482. * using it.
  483. * @{
  484. */
  485. #define __HAL_RCC_TIM5_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_TIM5EN)) != RESET)
  486. #define __HAL_RCC_WWDG_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) != RESET)
  487. #define __HAL_RCC_SPI2_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_SPI2EN)) != RESET)
  488. #define __HAL_RCC_USART2_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_USART2EN)) != RESET)
  489. #define __HAL_RCC_I2C1_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_I2C1EN)) != RESET)
  490. #define __HAL_RCC_I2C2_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_I2C2EN)) != RESET)
  491. #define __HAL_RCC_PWR_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) != RESET)
  492. #define __HAL_RCC_TIM5_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_TIM5EN)) == RESET)
  493. #define __HAL_RCC_WWDG_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) == RESET)
  494. #define __HAL_RCC_SPI2_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_SPI2EN)) == RESET)
  495. #define __HAL_RCC_USART2_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_USART2EN)) == RESET)
  496. #define __HAL_RCC_I2C1_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_I2C1EN)) == RESET)
  497. #define __HAL_RCC_I2C2_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_I2C2EN)) == RESET)
  498. #define __HAL_RCC_PWR_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) == RESET)
  499. /**
  500. * @}
  501. */
  502. /** @defgroup RCC_APB2_Clock_Enable_Disable APB2 Peripheral Clock Enable Disable
  503. * @brief Enable or disable the High Speed APB (APB2) peripheral clock.
  504. * @note After reset, the peripheral clock (used for registers read/write access)
  505. * is disabled and the application software has to enable this clock before
  506. * using it.
  507. * @{
  508. */
  509. #define __HAL_RCC_TIM1_CLK_ENABLE() do { \
  510. __IO uint32_t tmpreg = 0x00U; \
  511. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM1EN);\
  512. /* Delay after an RCC peripheral clock enabling */ \
  513. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM1EN);\
  514. UNUSED(tmpreg); \
  515. } while(0U)
  516. #define __HAL_RCC_USART1_CLK_ENABLE() do { \
  517. __IO uint32_t tmpreg = 0x00U; \
  518. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_USART1EN);\
  519. /* Delay after an RCC peripheral clock enabling */ \
  520. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_USART1EN);\
  521. UNUSED(tmpreg); \
  522. } while(0U)
  523. #define __HAL_RCC_USART6_CLK_ENABLE() do { \
  524. __IO uint32_t tmpreg = 0x00U; \
  525. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_USART6EN);\
  526. /* Delay after an RCC peripheral clock enabling */ \
  527. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_USART6EN);\
  528. UNUSED(tmpreg); \
  529. } while(0U)
  530. #define __HAL_RCC_ADC1_CLK_ENABLE() do { \
  531. __IO uint32_t tmpreg = 0x00U; \
  532. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_ADC1EN);\
  533. /* Delay after an RCC peripheral clock enabling */ \
  534. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_ADC1EN);\
  535. UNUSED(tmpreg); \
  536. } while(0U)
  537. #define __HAL_RCC_SPI1_CLK_ENABLE() do { \
  538. __IO uint32_t tmpreg = 0x00U; \
  539. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_SPI1EN);\
  540. /* Delay after an RCC peripheral clock enabling */ \
  541. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_SPI1EN);\
  542. UNUSED(tmpreg); \
  543. } while(0U)
  544. #define __HAL_RCC_SYSCFG_CLK_ENABLE() do { \
  545. __IO uint32_t tmpreg = 0x00U; \
  546. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN);\
  547. /* Delay after an RCC peripheral clock enabling */ \
  548. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN);\
  549. UNUSED(tmpreg); \
  550. } while(0U)
  551. #define __HAL_RCC_TIM9_CLK_ENABLE() do { \
  552. __IO uint32_t tmpreg = 0x00U; \
  553. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM9EN);\
  554. /* Delay after an RCC peripheral clock enabling */ \
  555. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM9EN);\
  556. UNUSED(tmpreg); \
  557. } while(0U)
  558. #define __HAL_RCC_TIM11_CLK_ENABLE() do { \
  559. __IO uint32_t tmpreg = 0x00U; \
  560. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM11EN);\
  561. /* Delay after an RCC peripheral clock enabling */ \
  562. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM11EN);\
  563. UNUSED(tmpreg); \
  564. } while(0U)
  565. #define __HAL_RCC_TIM1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM1EN))
  566. #define __HAL_RCC_USART1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_USART1EN))
  567. #define __HAL_RCC_USART6_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_USART6EN))
  568. #define __HAL_RCC_ADC1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_ADC1EN))
  569. #define __HAL_RCC_SPI1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_SPI1EN))
  570. #define __HAL_RCC_SYSCFG_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_SYSCFGEN))
  571. #define __HAL_RCC_TIM9_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM9EN))
  572. #define __HAL_RCC_TIM11_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM11EN))
  573. /**
  574. * @}
  575. */
  576. /** @defgroup RCC_APB2_Peripheral_Clock_Enable_Disable_Status APB2 Peripheral Clock Enable Disable Status
  577. * @brief Get the enable or disable status of the APB2 peripheral clock.
  578. * @note After reset, the peripheral clock (used for registers read/write access)
  579. * is disabled and the application software has to enable this clock before
  580. * using it.
  581. * @{
  582. */
  583. #define __HAL_RCC_TIM1_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM1EN)) != RESET)
  584. #define __HAL_RCC_USART1_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_USART1EN)) != RESET)
  585. #define __HAL_RCC_USART6_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_USART6EN)) != RESET)
  586. #define __HAL_RCC_ADC1_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_ADC1EN)) != RESET)
  587. #define __HAL_RCC_SPI1_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SPI1EN)) != RESET)
  588. #define __HAL_RCC_SYSCFG_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SYSCFGEN)) != RESET)
  589. #define __HAL_RCC_TIM9_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM9EN)) != RESET)
  590. #define __HAL_RCC_TIM11_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM11EN)) != RESET)
  591. #define __HAL_RCC_TIM1_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM1EN)) == RESET)
  592. #define __HAL_RCC_USART1_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_USART1EN)) == RESET)
  593. #define __HAL_RCC_USART6_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_USART6EN)) == RESET)
  594. #define __HAL_RCC_ADC1_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_ADC1EN)) == RESET)
  595. #define __HAL_RCC_SPI1_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SPI1EN)) == RESET)
  596. #define __HAL_RCC_SYSCFG_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SYSCFGEN)) == RESET)
  597. #define __HAL_RCC_TIM9_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM9EN)) == RESET)
  598. #define __HAL_RCC_TIM11_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM11EN)) == RESET)
  599. /**
  600. * @}
  601. */
  602. /** @defgroup RCC_AHB1_Force_Release_Reset AHB1 Force Release Reset
  603. * @brief Force or release AHB1 peripheral reset.
  604. * @{
  605. */
  606. #define __HAL_RCC_AHB1_FORCE_RESET() (RCC->AHB1RSTR = 0xFFFFFFFFU)
  607. #define __HAL_RCC_GPIOA_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_GPIOARST))
  608. #define __HAL_RCC_GPIOB_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_GPIOBRST))
  609. #define __HAL_RCC_GPIOC_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_GPIOCRST))
  610. #define __HAL_RCC_GPIOH_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_GPIOHRST))
  611. #define __HAL_RCC_DMA1_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_DMA1RST))
  612. #define __HAL_RCC_DMA2_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_DMA2RST))
  613. #define __HAL_RCC_AHB1_RELEASE_RESET() (RCC->AHB1RSTR = 0x00U)
  614. #define __HAL_RCC_GPIOA_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIOARST))
  615. #define __HAL_RCC_GPIOB_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIOBRST))
  616. #define __HAL_RCC_GPIOC_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIOCRST))
  617. #define __HAL_RCC_GPIOH_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIOHRST))
  618. #define __HAL_RCC_DMA1_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_DMA1RST))
  619. #define __HAL_RCC_DMA2_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_DMA2RST))
  620. /**
  621. * @}
  622. */
  623. /** @defgroup RCC_APB1_Force_Release_Reset APB1 Force Release Reset
  624. * @brief Force or release APB1 peripheral reset.
  625. * @{
  626. */
  627. #define __HAL_RCC_APB1_FORCE_RESET() (RCC->APB1RSTR = 0xFFFFFFFFU)
  628. #define __HAL_RCC_TIM5_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM5RST))
  629. #define __HAL_RCC_WWDG_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_WWDGRST))
  630. #define __HAL_RCC_SPI2_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_SPI2RST))
  631. #define __HAL_RCC_USART2_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_USART2RST))
  632. #define __HAL_RCC_I2C1_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_I2C1RST))
  633. #define __HAL_RCC_I2C2_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_I2C2RST))
  634. #define __HAL_RCC_PWR_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_PWRRST))
  635. #define __HAL_RCC_APB1_RELEASE_RESET() (RCC->APB1RSTR = 0x00U)
  636. #define __HAL_RCC_TIM5_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM5RST))
  637. #define __HAL_RCC_WWDG_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_WWDGRST))
  638. #define __HAL_RCC_SPI2_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_SPI2RST))
  639. #define __HAL_RCC_USART2_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_USART2RST))
  640. #define __HAL_RCC_I2C1_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_I2C1RST))
  641. #define __HAL_RCC_I2C2_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_I2C2RST))
  642. #define __HAL_RCC_PWR_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_PWRRST))
  643. /**
  644. * @}
  645. */
  646. /** @defgroup RCC_APB2_Force_Release_Reset APB2 Force Release Reset
  647. * @brief Force or release APB2 peripheral reset.
  648. * @{
  649. */
  650. #define __HAL_RCC_APB2_FORCE_RESET() (RCC->APB2RSTR = 0xFFFFFFFFU)
  651. #define __HAL_RCC_TIM1_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM1RST))
  652. #define __HAL_RCC_USART1_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_USART1RST))
  653. #define __HAL_RCC_USART6_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_USART6RST))
  654. #define __HAL_RCC_ADC_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_ADCRST))
  655. #define __HAL_RCC_SPI1_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_SPI1RST))
  656. #define __HAL_RCC_SYSCFG_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_SYSCFGRST))
  657. #define __HAL_RCC_TIM9_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM9RST))
  658. #define __HAL_RCC_TIM11_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM11RST))
  659. #define __HAL_RCC_APB2_RELEASE_RESET() (RCC->APB2RSTR = 0x00U)
  660. #define __HAL_RCC_TIM1_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM1RST))
  661. #define __HAL_RCC_USART1_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_USART1RST))
  662. #define __HAL_RCC_USART6_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_USART6RST))
  663. #define __HAL_RCC_ADC_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_ADCRST))
  664. #define __HAL_RCC_SPI1_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SPI1RST))
  665. #define __HAL_RCC_SYSCFG_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SYSCFGRST))
  666. #define __HAL_RCC_TIM9_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM9RST))
  667. #define __HAL_RCC_TIM11_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM11RST))
  668. /**
  669. * @}
  670. */
  671. /** @defgroup RCC_AHB1_LowPower_Enable_Disable AHB1 Peripheral Low Power Enable Disable
  672. * @brief Enable or disable the AHB1 peripheral clock during Low Power (Sleep) mode.
  673. * @note Peripheral clock gating in SLEEP mode can be used to further reduce
  674. * power consumption.
  675. * @note After wake-up from SLEEP mode, the peripheral clock is enabled again.
  676. * @note By default, all peripheral clocks are enabled during SLEEP mode.
  677. * @{
  678. */
  679. #define __HAL_RCC_GPIOA_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_GPIOALPEN))
  680. #define __HAL_RCC_GPIOB_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_GPIOBLPEN))
  681. #define __HAL_RCC_GPIOC_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_GPIOCLPEN))
  682. #define __HAL_RCC_GPIOH_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_GPIOHLPEN))
  683. #define __HAL_RCC_DMA1_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_DMA1LPEN))
  684. #define __HAL_RCC_DMA2_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_DMA2LPEN))
  685. #define __HAL_RCC_GPIOA_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_GPIOALPEN))
  686. #define __HAL_RCC_GPIOB_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_GPIOBLPEN))
  687. #define __HAL_RCC_GPIOC_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_GPIOCLPEN))
  688. #define __HAL_RCC_GPIOH_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_GPIOHLPEN))
  689. #define __HAL_RCC_DMA1_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_DMA1LPEN))
  690. #define __HAL_RCC_DMA2_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_DMA2LPEN))
  691. /**
  692. * @}
  693. */
  694. /** @defgroup RCC_APB1_LowPower_Enable_Disable APB1 Peripheral Low Power Enable Disable
  695. * @brief Enable or disable the APB1 peripheral clock during Low Power (Sleep) mode.
  696. * @note Peripheral clock gating in SLEEP mode can be used to further reduce
  697. * power consumption.
  698. * @note After wake-up from SLEEP mode, the peripheral clock is enabled again.
  699. * @note By default, all peripheral clocks are enabled during SLEEP mode.
  700. * @{
  701. */
  702. #define __HAL_RCC_TIM5_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_TIM5LPEN))
  703. #define __HAL_RCC_WWDG_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_WWDGLPEN))
  704. #define __HAL_RCC_SPI2_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_SPI2LPEN))
  705. #define __HAL_RCC_USART2_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_USART2LPEN))
  706. #define __HAL_RCC_I2C1_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_I2C1LPEN))
  707. #define __HAL_RCC_I2C2_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_I2C2LPEN))
  708. #define __HAL_RCC_PWR_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_PWRLPEN))
  709. #define __HAL_RCC_TIM5_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_TIM5LPEN))
  710. #define __HAL_RCC_WWDG_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_WWDGLPEN))
  711. #define __HAL_RCC_SPI2_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_SPI2LPEN))
  712. #define __HAL_RCC_USART2_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_USART2LPEN))
  713. #define __HAL_RCC_I2C1_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_I2C1LPEN))
  714. #define __HAL_RCC_I2C2_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_I2C2LPEN))
  715. #define __HAL_RCC_PWR_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_PWRLPEN))
  716. /**
  717. * @}
  718. */
  719. /** @defgroup RCC_APB2_LowPower_Enable_Disable APB2 Peripheral Low Power Enable Disable
  720. * @brief Enable or disable the APB2 peripheral clock during Low Power (Sleep) mode.
  721. * @note Peripheral clock gating in SLEEP mode can be used to further reduce
  722. * power consumption.
  723. * @note After wake-up from SLEEP mode, the peripheral clock is enabled again.
  724. * @note By default, all peripheral clocks are enabled during SLEEP mode.
  725. * @{
  726. */
  727. #define __HAL_RCC_TIM1_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_TIM1LPEN))
  728. #define __HAL_RCC_USART1_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_USART1LPEN))
  729. #define __HAL_RCC_USART6_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_USART6LPEN))
  730. #define __HAL_RCC_ADC1_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_ADC1LPEN))
  731. #define __HAL_RCC_SPI1_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_SPI1LPEN))
  732. #define __HAL_RCC_SYSCFG_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_SYSCFGLPEN))
  733. #define __HAL_RCC_TIM9_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_TIM9LPEN))
  734. #define __HAL_RCC_TIM11_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_TIM11LPEN))
  735. #define __HAL_RCC_TIM1_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_TIM1LPEN))
  736. #define __HAL_RCC_USART1_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_USART1LPEN))
  737. #define __HAL_RCC_USART6_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_USART6LPEN))
  738. #define __HAL_RCC_ADC1_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_ADC1LPEN))
  739. #define __HAL_RCC_SPI1_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_SPI1LPEN))
  740. #define __HAL_RCC_SYSCFG_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_SYSCFGLPEN))
  741. #define __HAL_RCC_TIM9_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_TIM9LPEN))
  742. #define __HAL_RCC_TIM11_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_TIM11LPEN))
  743. /**
  744. * @}
  745. */
  746. /** @defgroup RCC_HSI_Configuration HSI Configuration
  747. * @{
  748. */
  749. /** @brief Macros to enable or disable the Internal High Speed oscillator (HSI).
  750. * @note The HSI is stopped by hardware when entering STOP and STANDBY modes.
  751. * It is used (enabled by hardware) as system clock source after startup
  752. * from Reset, wake-up from STOP and STANDBY mode, or in case of failure
  753. * of the HSE used directly or indirectly as system clock (if the Clock
  754. * Security System CSS is enabled).
  755. * @note HSI can not be stopped if it is used as system clock source. In this case,
  756. * you have to select another source of the system clock then stop the HSI.
  757. * @note After enabling the HSI, the application software should wait on HSIRDY
  758. * flag to be set indicating that HSI clock is stable and can be used as
  759. * system clock source.
  760. * This parameter can be: ENABLE or DISABLE.
  761. * @note When the HSI is stopped, HSIRDY flag goes low after 6 HSI oscillator
  762. * clock cycles.
  763. */
  764. #define __HAL_RCC_HSI_ENABLE() (*(__IO uint32_t *) RCC_CR_HSION_BB = ENABLE)
  765. #define __HAL_RCC_HSI_DISABLE() (*(__IO uint32_t *) RCC_CR_HSION_BB = DISABLE)
  766. /** @brief Macro to adjust the Internal High Speed oscillator (HSI) calibration value.
  767. * @note The calibration is used to compensate for the variations in voltage
  768. * and temperature that influence the frequency of the internal HSI RC.
  769. * @param __HSICalibrationValue__ specifies the calibration trimming value.
  770. * (default is RCC_HSICALIBRATION_DEFAULT).
  771. * This parameter must be a number between 0 and 0x1F.
  772. */
  773. #define __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(__HSICalibrationValue__) (MODIFY_REG(RCC->CR,\
  774. RCC_CR_HSITRIM, (uint32_t)(__HSICalibrationValue__) << RCC_CR_HSITRIM_Pos))
  775. /**
  776. * @}
  777. */
  778. /** @defgroup RCC_LSI_Configuration LSI Configuration
  779. * @{
  780. */
  781. /** @brief Macros to enable or disable the Internal Low Speed oscillator (LSI).
  782. * @note After enabling the LSI, the application software should wait on
  783. * LSIRDY flag to be set indicating that LSI clock is stable and can
  784. * be used to clock the IWDG and/or the RTC.
  785. * @note LSI can not be disabled if the IWDG is running.
  786. * @note When the LSI is stopped, LSIRDY flag goes low after 6 LSI oscillator
  787. * clock cycles.
  788. */
  789. #define __HAL_RCC_LSI_ENABLE() (*(__IO uint32_t *) RCC_CSR_LSION_BB = ENABLE)
  790. #define __HAL_RCC_LSI_DISABLE() (*(__IO uint32_t *) RCC_CSR_LSION_BB = DISABLE)
  791. /**
  792. * @}
  793. */
  794. /** @defgroup RCC_HSE_Configuration HSE Configuration
  795. * @{
  796. */
  797. /**
  798. * @brief Macro to configure the External High Speed oscillator (HSE).
  799. * @note Transition HSE Bypass to HSE On and HSE On to HSE Bypass are not supported by this macro.
  800. * User should request a transition to HSE Off first and then HSE On or HSE Bypass.
  801. * @note After enabling the HSE (RCC_HSE_ON or RCC_HSE_Bypass), the application
  802. * software should wait on HSERDY flag to be set indicating that HSE clock
  803. * is stable and can be used to clock the PLL and/or system clock.
  804. * @note HSE state can not be changed if it is used directly or through the
  805. * PLL as system clock. In this case, you have to select another source
  806. * of the system clock then change the HSE state (ex. disable it).
  807. * @note The HSE is stopped by hardware when entering STOP and STANDBY modes.
  808. * @note This function reset the CSSON bit, so if the clock security system(CSS)
  809. * was previously enabled you have to enable it again after calling this
  810. * function.
  811. * @param __STATE__ specifies the new state of the HSE.
  812. * This parameter can be one of the following values:
  813. * @arg RCC_HSE_OFF: turn OFF the HSE oscillator, HSERDY flag goes low after
  814. * 6 HSE oscillator clock cycles.
  815. * @arg RCC_HSE_ON: turn ON the HSE oscillator.
  816. * @arg RCC_HSE_BYPASS: HSE oscillator bypassed with external clock.
  817. */
  818. #define __HAL_RCC_HSE_CONFIG(__STATE__) \
  819. do { \
  820. if ((__STATE__) == RCC_HSE_ON) \
  821. { \
  822. SET_BIT(RCC->CR, RCC_CR_HSEON); \
  823. } \
  824. else if ((__STATE__) == RCC_HSE_BYPASS) \
  825. { \
  826. SET_BIT(RCC->CR, RCC_CR_HSEBYP); \
  827. SET_BIT(RCC->CR, RCC_CR_HSEON); \
  828. } \
  829. else \
  830. { \
  831. CLEAR_BIT(RCC->CR, RCC_CR_HSEON); \
  832. CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP); \
  833. } \
  834. } while(0U)
  835. /**
  836. * @}
  837. */
  838. /** @defgroup RCC_LSE_Configuration LSE Configuration
  839. * @{
  840. */
  841. /**
  842. * @brief Macro to configure the External Low Speed oscillator (LSE).
  843. * @note Transition LSE Bypass to LSE On and LSE On to LSE Bypass are not supported by this macro.
  844. * User should request a transition to LSE Off first and then LSE On or LSE Bypass.
  845. * @note As the LSE is in the Backup domain and write access is denied to
  846. * this domain after reset, you have to enable write access using
  847. * HAL_PWR_EnableBkUpAccess() function before to configure the LSE
  848. * (to be done once after reset).
  849. * @note After enabling the LSE (RCC_LSE_ON or RCC_LSE_BYPASS), the application
  850. * software should wait on LSERDY flag to be set indicating that LSE clock
  851. * is stable and can be used to clock the RTC.
  852. * @param __STATE__ specifies the new state of the LSE.
  853. * This parameter can be one of the following values:
  854. * @arg RCC_LSE_OFF: turn OFF the LSE oscillator, LSERDY flag goes low after
  855. * 6 LSE oscillator clock cycles.
  856. * @arg RCC_LSE_ON: turn ON the LSE oscillator.
  857. * @arg RCC_LSE_BYPASS: LSE oscillator bypassed with external clock.
  858. */
  859. #define __HAL_RCC_LSE_CONFIG(__STATE__) \
  860. do { \
  861. if((__STATE__) == RCC_LSE_ON) \
  862. { \
  863. SET_BIT(RCC->BDCR, RCC_BDCR_LSEON); \
  864. } \
  865. else if((__STATE__) == RCC_LSE_BYPASS) \
  866. { \
  867. SET_BIT(RCC->BDCR, RCC_BDCR_LSEBYP); \
  868. SET_BIT(RCC->BDCR, RCC_BDCR_LSEON); \
  869. } \
  870. else \
  871. { \
  872. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON); \
  873. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP); \
  874. } \
  875. } while(0U)
  876. /**
  877. * @}
  878. */
  879. /** @defgroup RCC_Internal_RTC_Clock_Configuration RTC Clock Configuration
  880. * @{
  881. */
  882. /** @brief Macros to enable or disable the RTC clock.
  883. * @note These macros must be used only after the RTC clock source was selected.
  884. */
  885. #define __HAL_RCC_RTC_ENABLE() (*(__IO uint32_t *) RCC_BDCR_RTCEN_BB = ENABLE)
  886. #define __HAL_RCC_RTC_DISABLE() (*(__IO uint32_t *) RCC_BDCR_RTCEN_BB = DISABLE)
  887. /** @brief Macros to configure the RTC clock (RTCCLK).
  888. * @note As the RTC clock configuration bits are in the Backup domain and write
  889. * access is denied to this domain after reset, you have to enable write
  890. * access using the Power Backup Access macro before to configure
  891. * the RTC clock source (to be done once after reset).
  892. * @note Once the RTC clock is configured it can't be changed unless the
  893. * Backup domain is reset using __HAL_RCC_BackupReset_RELEASE() macro, or by
  894. * a Power On Reset (POR).
  895. * @param __RTCCLKSource__ specifies the RTC clock source.
  896. * This parameter can be one of the following values:
  897. @arg @ref RCC_RTCCLKSOURCE_NO_CLK: No clock selected as RTC clock.
  898. * @arg @ref RCC_RTCCLKSOURCE_LSE: LSE selected as RTC clock.
  899. * @arg @ref RCC_RTCCLKSOURCE_LSI: LSI selected as RTC clock.
  900. * @arg @ref RCC_RTCCLKSOURCE_HSE_DIVX: HSE clock divided by x selected
  901. * as RTC clock, where x:[2,31]
  902. * @note If the LSE or LSI is used as RTC clock source, the RTC continues to
  903. * work in STOP and STANDBY modes, and can be used as wake-up source.
  904. * However, when the HSE clock is used as RTC clock source, the RTC
  905. * cannot be used in STOP and STANDBY modes.
  906. * @note The maximum input clock frequency for RTC is 1MHz (when using HSE as
  907. * RTC clock source).
  908. */
  909. #define __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__) (((__RTCCLKSource__) & RCC_BDCR_RTCSEL) == RCC_BDCR_RTCSEL) ? \
  910. MODIFY_REG(RCC->CFGR, RCC_CFGR_RTCPRE, ((__RTCCLKSource__) & 0xFFFFCFFU)) : CLEAR_BIT(RCC->CFGR, RCC_CFGR_RTCPRE)
  911. #define __HAL_RCC_RTC_CONFIG(__RTCCLKSource__) do { __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__); \
  912. RCC->BDCR |= ((__RTCCLKSource__) & 0x00000FFFU); \
  913. } while(0U)
  914. /** @brief Macro to get the RTC clock source.
  915. * @retval The clock source can be one of the following values:
  916. * @arg @ref RCC_RTCCLKSOURCE_NO_CLK No clock selected as RTC clock
  917. * @arg @ref RCC_RTCCLKSOURCE_LSE LSE selected as RTC clock
  918. * @arg @ref RCC_RTCCLKSOURCE_LSI LSI selected as RTC clock
  919. * @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()
  920. */
  921. #define __HAL_RCC_GET_RTC_SOURCE() (READ_BIT(RCC->BDCR, RCC_BDCR_RTCSEL))
  922. /**
  923. * @brief Get the RTC and HSE clock divider (RTCPRE).
  924. * @retval Returned value can be one of the following values:
  925. * @arg @ref RCC_RTCCLKSOURCE_HSE_DIVX: HSE clock divided by x selected
  926. * as RTC clock, where x:[2,31]
  927. */
  928. #define __HAL_RCC_GET_RTC_HSE_PRESCALER() (READ_BIT(RCC->CFGR, RCC_CFGR_RTCPRE) | RCC_BDCR_RTCSEL)
  929. /** @brief Macros to force or release the Backup domain reset.
  930. * @note This function resets the RTC peripheral (including the backup registers)
  931. * and the RTC clock source selection in RCC_CSR register.
  932. * @note The BKPSRAM is not affected by this reset.
  933. */
  934. #define __HAL_RCC_BACKUPRESET_FORCE() (*(__IO uint32_t *) RCC_BDCR_BDRST_BB = ENABLE)
  935. #define __HAL_RCC_BACKUPRESET_RELEASE() (*(__IO uint32_t *) RCC_BDCR_BDRST_BB = DISABLE)
  936. /**
  937. * @}
  938. */
  939. /** @defgroup RCC_PLL_Configuration PLL Configuration
  940. * @{
  941. */
  942. /** @brief Macros to enable or disable the main PLL.
  943. * @note After enabling the main PLL, the application software should wait on
  944. * PLLRDY flag to be set indicating that PLL clock is stable and can
  945. * be used as system clock source.
  946. * @note The main PLL can not be disabled if it is used as system clock source
  947. * @note The main PLL is disabled by hardware when entering STOP and STANDBY modes.
  948. */
  949. #define __HAL_RCC_PLL_ENABLE() (*(__IO uint32_t *) RCC_CR_PLLON_BB = ENABLE)
  950. #define __HAL_RCC_PLL_DISABLE() (*(__IO uint32_t *) RCC_CR_PLLON_BB = DISABLE)
  951. /** @brief Macro to configure the PLL clock source.
  952. * @note This function must be used only when the main PLL is disabled.
  953. * @param __PLLSOURCE__ specifies the PLL entry clock source.
  954. * This parameter can be one of the following values:
  955. * @arg RCC_PLLSOURCE_HSI: HSI oscillator clock selected as PLL clock entry
  956. * @arg RCC_PLLSOURCE_HSE: HSE oscillator clock selected as PLL clock entry
  957. *
  958. */
  959. #define __HAL_RCC_PLL_PLLSOURCE_CONFIG(__PLLSOURCE__) MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC, (__PLLSOURCE__))
  960. /** @brief Macro to configure the PLL multiplication factor.
  961. * @note This function must be used only when the main PLL is disabled.
  962. * @param __PLLM__ specifies the division factor for PLL VCO input clock
  963. * This parameter must be a number between Min_Data = 2 and Max_Data = 63.
  964. * @note You have to set the PLLM parameter correctly to ensure that the VCO input
  965. * frequency ranges from 1 to 2 MHz. It is recommended to select a frequency
  966. * of 2 MHz to limit PLL jitter.
  967. *
  968. */
  969. #define __HAL_RCC_PLL_PLLM_CONFIG(__PLLM__) MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLM, (__PLLM__))
  970. /**
  971. * @}
  972. */
  973. /** @defgroup RCC_Get_Clock_source Get Clock source
  974. * @{
  975. */
  976. /**
  977. * @brief Macro to configure the system clock source.
  978. * @param __RCC_SYSCLKSOURCE__ specifies the system clock source.
  979. * This parameter can be one of the following values:
  980. * - RCC_SYSCLKSOURCE_HSI: HSI oscillator is used as system clock source.
  981. * - RCC_SYSCLKSOURCE_HSE: HSE oscillator is used as system clock source.
  982. * - RCC_SYSCLKSOURCE_PLLCLK: PLL output is used as system clock source.
  983. * - RCC_SYSCLKSOURCE_PLLRCLK: PLLR output is used as system clock source. This
  984. * parameter is available only for STM32F446xx devices.
  985. */
  986. #define __HAL_RCC_SYSCLK_CONFIG(__RCC_SYSCLKSOURCE__) MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, (__RCC_SYSCLKSOURCE__))
  987. /** @brief Macro to get the clock source used as system clock.
  988. * @retval The clock source used as system clock. The returned value can be one
  989. * of the following:
  990. * - RCC_SYSCLKSOURCE_STATUS_HSI: HSI used as system clock.
  991. * - RCC_SYSCLKSOURCE_STATUS_HSE: HSE used as system clock.
  992. * - RCC_SYSCLKSOURCE_STATUS_PLLCLK: PLL used as system clock.
  993. * - RCC_SYSCLKSOURCE_STATUS_PLLRCLK: PLLR used as system clock. This parameter
  994. * is available only for STM32F446xx devices.
  995. */
  996. #define __HAL_RCC_GET_SYSCLK_SOURCE() (RCC->CFGR & RCC_CFGR_SWS)
  997. /** @brief Macro to get the oscillator used as PLL clock source.
  998. * @retval The oscillator used as PLL clock source. The returned value can be one
  999. * of the following:
  1000. * - RCC_PLLSOURCE_HSI: HSI oscillator is used as PLL clock source.
  1001. * - RCC_PLLSOURCE_HSE: HSE oscillator is used as PLL clock source.
  1002. */
  1003. #define __HAL_RCC_GET_PLL_OSCSOURCE() ((uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC))
  1004. /**
  1005. * @}
  1006. */
  1007. /** @defgroup RCCEx_MCOx_Clock_Config RCC Extended MCOx Clock Config
  1008. * @{
  1009. */
  1010. /** @brief Macro to configure the MCO1 clock.
  1011. * @param __MCOCLKSOURCE__ specifies the MCO clock source.
  1012. * This parameter can be one of the following values:
  1013. * @arg RCC_MCO1SOURCE_HSI: HSI clock selected as MCO1 source
  1014. * @arg RCC_MCO1SOURCE_LSE: LSE clock selected as MCO1 source
  1015. * @arg RCC_MCO1SOURCE_HSE: HSE clock selected as MCO1 source
  1016. * @arg RCC_MCO1SOURCE_PLLCLK: main PLL clock selected as MCO1 source
  1017. * @param __MCODIV__ specifies the MCO clock prescaler.
  1018. * This parameter can be one of the following values:
  1019. * @arg RCC_MCODIV_1: no division applied to MCOx clock
  1020. * @arg RCC_MCODIV_2: division by 2 applied to MCOx clock
  1021. * @arg RCC_MCODIV_3: division by 3 applied to MCOx clock
  1022. * @arg RCC_MCODIV_4: division by 4 applied to MCOx clock
  1023. * @arg RCC_MCODIV_5: division by 5 applied to MCOx clock
  1024. */
  1025. #define __HAL_RCC_MCO1_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \
  1026. MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO1 | RCC_CFGR_MCO1PRE), ((__MCOCLKSOURCE__) | (__MCODIV__)))
  1027. /** @brief Macro to configure the MCO2 clock.
  1028. * @param __MCOCLKSOURCE__ specifies the MCO clock source.
  1029. * This parameter can be one of the following values:
  1030. * @arg RCC_MCO2SOURCE_SYSCLK: System clock (SYSCLK) selected as MCO2 source
  1031. * @arg RCC_MCO2SOURCE_PLLI2SCLK: PLLI2S clock selected as MCO2 source, available for all STM32F4 devices except STM32F410xx
  1032. * @arg RCC_MCO2SOURCE_I2SCLK: I2SCLK clock selected as MCO2 source, available only for STM32F410Rx devices
  1033. * @arg RCC_MCO2SOURCE_HSE: HSE clock selected as MCO2 source
  1034. * @arg RCC_MCO2SOURCE_PLLCLK: main PLL clock selected as MCO2 source
  1035. * @param __MCODIV__ specifies the MCO clock prescaler.
  1036. * This parameter can be one of the following values:
  1037. * @arg RCC_MCODIV_1: no division applied to MCOx clock
  1038. * @arg RCC_MCODIV_2: division by 2 applied to MCOx clock
  1039. * @arg RCC_MCODIV_3: division by 3 applied to MCOx clock
  1040. * @arg RCC_MCODIV_4: division by 4 applied to MCOx clock
  1041. * @arg RCC_MCODIV_5: division by 5 applied to MCOx clock
  1042. * @note For STM32F410Rx devices, to output I2SCLK clock on MCO2, you should have
  1043. * at least one of the SPI clocks enabled (SPI1, SPI2 or SPI5).
  1044. */
  1045. #define __HAL_RCC_MCO2_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \
  1046. MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO2 | RCC_CFGR_MCO2PRE), ((__MCOCLKSOURCE__) | ((__MCODIV__) << 3U)));
  1047. /**
  1048. * @}
  1049. */
  1050. /** @defgroup RCC_Flags_Interrupts_Management Flags Interrupts Management
  1051. * @brief macros to manage the specified RCC Flags and interrupts.
  1052. * @{
  1053. */
  1054. /** @brief Enable RCC interrupt (Perform Byte access to RCC_CIR[14:8] bits to enable
  1055. * the selected interrupts).
  1056. * @param __INTERRUPT__ specifies the RCC interrupt sources to be enabled.
  1057. * This parameter can be any combination of the following values:
  1058. * @arg RCC_IT_LSIRDY: LSI ready interrupt.
  1059. * @arg RCC_IT_LSERDY: LSE ready interrupt.
  1060. * @arg RCC_IT_HSIRDY: HSI ready interrupt.
  1061. * @arg RCC_IT_HSERDY: HSE ready interrupt.
  1062. * @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
  1063. * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
  1064. */
  1065. #define __HAL_RCC_ENABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS |= (__INTERRUPT__))
  1066. /** @brief Disable RCC interrupt (Perform Byte access to RCC_CIR[14:8] bits to disable
  1067. * the selected interrupts).
  1068. * @param __INTERRUPT__ specifies the RCC interrupt sources to be disabled.
  1069. * This parameter can be any combination of the following values:
  1070. * @arg RCC_IT_LSIRDY: LSI ready interrupt.
  1071. * @arg RCC_IT_LSERDY: LSE ready interrupt.
  1072. * @arg RCC_IT_HSIRDY: HSI ready interrupt.
  1073. * @arg RCC_IT_HSERDY: HSE ready interrupt.
  1074. * @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
  1075. * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
  1076. */
  1077. #define __HAL_RCC_DISABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS &= (uint8_t)(~(__INTERRUPT__)))
  1078. /** @brief Clear the RCC's interrupt pending bits (Perform Byte access to RCC_CIR[23:16]
  1079. * bits to clear the selected interrupt pending bits.
  1080. * @param __INTERRUPT__ specifies the interrupt pending bit to clear.
  1081. * This parameter can be any combination of the following values:
  1082. * @arg RCC_IT_LSIRDY: LSI ready interrupt.
  1083. * @arg RCC_IT_LSERDY: LSE ready interrupt.
  1084. * @arg RCC_IT_HSIRDY: HSI ready interrupt.
  1085. * @arg RCC_IT_HSERDY: HSE ready interrupt.
  1086. * @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
  1087. * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
  1088. * @arg RCC_IT_CSS: Clock Security System interrupt
  1089. */
  1090. #define __HAL_RCC_CLEAR_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE2_ADDRESS = (__INTERRUPT__))
  1091. /** @brief Check the RCC's interrupt has occurred or not.
  1092. * @param __INTERRUPT__ specifies the RCC interrupt source to check.
  1093. * This parameter can be one of the following values:
  1094. * @arg RCC_IT_LSIRDY: LSI ready interrupt.
  1095. * @arg RCC_IT_LSERDY: LSE ready interrupt.
  1096. * @arg RCC_IT_HSIRDY: HSI ready interrupt.
  1097. * @arg RCC_IT_HSERDY: HSE ready interrupt.
  1098. * @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
  1099. * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
  1100. * @arg RCC_IT_CSS: Clock Security System interrupt
  1101. * @retval The new state of __INTERRUPT__ (TRUE or FALSE).
  1102. */
  1103. #define __HAL_RCC_GET_IT(__INTERRUPT__) ((RCC->CIR & (__INTERRUPT__)) == (__INTERRUPT__))
  1104. /** @brief Set RMVF bit to clear the reset flags: RCC_FLAG_PINRST, RCC_FLAG_PORRST,
  1105. * RCC_FLAG_SFTRST, RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST and RCC_FLAG_LPWRRST.
  1106. */
  1107. #define __HAL_RCC_CLEAR_RESET_FLAGS() (RCC->CSR |= RCC_CSR_RMVF)
  1108. /** @brief Check RCC flag is set or not.
  1109. * @param __FLAG__ specifies the flag to check.
  1110. * This parameter can be one of the following values:
  1111. * @arg RCC_FLAG_HSIRDY: HSI oscillator clock ready.
  1112. * @arg RCC_FLAG_HSERDY: HSE oscillator clock ready.
  1113. * @arg RCC_FLAG_PLLRDY: Main PLL clock ready.
  1114. * @arg RCC_FLAG_PLLI2SRDY: PLLI2S clock ready.
  1115. * @arg RCC_FLAG_LSERDY: LSE oscillator clock ready.
  1116. * @arg RCC_FLAG_LSIRDY: LSI oscillator clock ready.
  1117. * @arg RCC_FLAG_BORRST: POR/PDR or BOR reset.
  1118. * @arg RCC_FLAG_PINRST: Pin reset.
  1119. * @arg RCC_FLAG_PORRST: POR/PDR reset.
  1120. * @arg RCC_FLAG_SFTRST: Software reset.
  1121. * @arg RCC_FLAG_IWDGRST: Independent Watchdog reset.
  1122. * @arg RCC_FLAG_WWDGRST: Window Watchdog reset.
  1123. * @arg RCC_FLAG_LPWRRST: Low Power reset.
  1124. * @retval The new state of __FLAG__ (TRUE or FALSE).
  1125. */
  1126. #define RCC_FLAG_MASK ((uint8_t)0x1FU)
  1127. #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)
  1128. /**
  1129. * @}
  1130. */
  1131. /**
  1132. * @}
  1133. */
  1134. /* Exported functions --------------------------------------------------------*/
  1135. /** @addtogroup RCC_Exported_Functions
  1136. * @{
  1137. */
  1138. /** @addtogroup RCC_Exported_Functions_Group1
  1139. * @{
  1140. */
  1141. /* Initialization and de-initialization functions ******************************/
  1142. HAL_StatusTypeDef HAL_RCC_DeInit(void);
  1143. HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct);
  1144. HAL_StatusTypeDef HAL_RCC_ClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t FLatency);
  1145. /**
  1146. * @}
  1147. */
  1148. /** @addtogroup RCC_Exported_Functions_Group2
  1149. * @{
  1150. */
  1151. /* Peripheral Control functions ************************************************/
  1152. void HAL_RCC_MCOConfig(uint32_t RCC_MCOx, uint32_t RCC_MCOSource, uint32_t RCC_MCODiv);
  1153. void HAL_RCC_EnableCSS(void);
  1154. void HAL_RCC_DisableCSS(void);
  1155. uint32_t HAL_RCC_GetSysClockFreq(void);
  1156. uint32_t HAL_RCC_GetHCLKFreq(void);
  1157. uint32_t HAL_RCC_GetPCLK1Freq(void);
  1158. uint32_t HAL_RCC_GetPCLK2Freq(void);
  1159. void HAL_RCC_GetOscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct);
  1160. void HAL_RCC_GetClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t *pFLatency);
  1161. /* CSS NMI IRQ handler */
  1162. void HAL_RCC_NMI_IRQHandler(void);
  1163. /* User Callbacks in non blocking mode (IT mode) */
  1164. void HAL_RCC_CSSCallback(void);
  1165. /**
  1166. * @}
  1167. */
  1168. /**
  1169. * @}
  1170. */
  1171. /* Private types -------------------------------------------------------------*/
  1172. /* Private variables ---------------------------------------------------------*/
  1173. /* Private constants ---------------------------------------------------------*/
  1174. /** @defgroup RCC_Private_Constants RCC Private Constants
  1175. * @{
  1176. */
  1177. /** @defgroup RCC_BitAddress_AliasRegion RCC BitAddress AliasRegion
  1178. * @brief RCC registers bit address in the alias region
  1179. * @{
  1180. */
  1181. #define RCC_OFFSET (RCC_BASE - PERIPH_BASE)
  1182. /* --- CR Register --- */
  1183. /* Alias word address of HSION bit */
  1184. #define RCC_CR_OFFSET (RCC_OFFSET + 0x00U)
  1185. #define RCC_HSION_BIT_NUMBER 0x00U
  1186. #define RCC_CR_HSION_BB (PERIPH_BB_BASE + (RCC_CR_OFFSET * 32U) + (RCC_HSION_BIT_NUMBER * 4U))
  1187. /* Alias word address of CSSON bit */
  1188. #define RCC_CSSON_BIT_NUMBER 0x13U
  1189. #define RCC_CR_CSSON_BB (PERIPH_BB_BASE + (RCC_CR_OFFSET * 32U) + (RCC_CSSON_BIT_NUMBER * 4U))
  1190. /* Alias word address of PLLON bit */
  1191. #define RCC_PLLON_BIT_NUMBER 0x18U
  1192. #define RCC_CR_PLLON_BB (PERIPH_BB_BASE + (RCC_CR_OFFSET * 32U) + (RCC_PLLON_BIT_NUMBER * 4U))
  1193. /* --- BDCR Register --- */
  1194. /* Alias word address of RTCEN bit */
  1195. #define RCC_BDCR_OFFSET (RCC_OFFSET + 0x70U)
  1196. #define RCC_RTCEN_BIT_NUMBER 0x0FU
  1197. #define RCC_BDCR_RTCEN_BB (PERIPH_BB_BASE + (RCC_BDCR_OFFSET * 32U) + (RCC_RTCEN_BIT_NUMBER * 4U))
  1198. /* Alias word address of BDRST bit */
  1199. #define RCC_BDRST_BIT_NUMBER 0x10U
  1200. #define RCC_BDCR_BDRST_BB (PERIPH_BB_BASE + (RCC_BDCR_OFFSET * 32U) + (RCC_BDRST_BIT_NUMBER * 4U))
  1201. /* --- CSR Register --- */
  1202. /* Alias word address of LSION bit */
  1203. #define RCC_CSR_OFFSET (RCC_OFFSET + 0x74U)
  1204. #define RCC_LSION_BIT_NUMBER 0x00U
  1205. #define RCC_CSR_LSION_BB (PERIPH_BB_BASE + (RCC_CSR_OFFSET * 32U) + (RCC_LSION_BIT_NUMBER * 4U))
  1206. /* CR register byte 3 (Bits[23:16]) base address */
  1207. #define RCC_CR_BYTE2_ADDRESS 0x40023802U
  1208. /* CIR register byte 2 (Bits[15:8]) base address */
  1209. #define RCC_CIR_BYTE1_ADDRESS ((uint32_t)(RCC_BASE + 0x0CU + 0x01U))
  1210. /* CIR register byte 3 (Bits[23:16]) base address */
  1211. #define RCC_CIR_BYTE2_ADDRESS ((uint32_t)(RCC_BASE + 0x0CU + 0x02U))
  1212. /* BDCR register base address */
  1213. #define RCC_BDCR_BYTE0_ADDRESS (PERIPH_BASE + RCC_BDCR_OFFSET)
  1214. #define RCC_DBP_TIMEOUT_VALUE 2U
  1215. #define RCC_LSE_TIMEOUT_VALUE LSE_STARTUP_TIMEOUT
  1216. #define HSE_TIMEOUT_VALUE HSE_STARTUP_TIMEOUT
  1217. #define HSI_TIMEOUT_VALUE 2U /* 2 ms */
  1218. #define LSI_TIMEOUT_VALUE 2U /* 2 ms */
  1219. #define CLOCKSWITCH_TIMEOUT_VALUE 5000U /* 5 s */
  1220. /**
  1221. * @}
  1222. */
  1223. /**
  1224. * @}
  1225. */
  1226. /* Private macros ------------------------------------------------------------*/
  1227. /** @defgroup RCC_Private_Macros RCC Private Macros
  1228. * @{
  1229. */
  1230. /** @defgroup RCC_IS_RCC_Definitions RCC Private macros to check input parameters
  1231. * @{
  1232. */
  1233. #define IS_RCC_OSCILLATORTYPE(OSCILLATOR) ((OSCILLATOR) <= 15U)
  1234. #define IS_RCC_HSE(HSE) (((HSE) == RCC_HSE_OFF) || ((HSE) == RCC_HSE_ON) || \
  1235. ((HSE) == RCC_HSE_BYPASS))
  1236. #define IS_RCC_LSE(LSE) (((LSE) == RCC_LSE_OFF) || ((LSE) == RCC_LSE_ON) || \
  1237. ((LSE) == RCC_LSE_BYPASS))
  1238. #define IS_RCC_HSI(HSI) (((HSI) == RCC_HSI_OFF) || ((HSI) == RCC_HSI_ON))
  1239. #define IS_RCC_LSI(LSI) (((LSI) == RCC_LSI_OFF) || ((LSI) == RCC_LSI_ON))
  1240. #define IS_RCC_PLL(PLL) (((PLL) == RCC_PLL_NONE) ||((PLL) == RCC_PLL_OFF) || ((PLL) == RCC_PLL_ON))
  1241. #define IS_RCC_PLLSOURCE(SOURCE) (((SOURCE) == RCC_PLLSOURCE_HSI) || \
  1242. ((SOURCE) == RCC_PLLSOURCE_HSE))
  1243. #define IS_RCC_SYSCLKSOURCE(SOURCE) (((SOURCE) == RCC_SYSCLKSOURCE_HSI) || \
  1244. ((SOURCE) == RCC_SYSCLKSOURCE_HSE) || \
  1245. ((SOURCE) == RCC_SYSCLKSOURCE_PLLCLK) || \
  1246. ((SOURCE) == RCC_SYSCLKSOURCE_PLLRCLK))
  1247. #define IS_RCC_RTCCLKSOURCE(__SOURCE__) (((__SOURCE__) == RCC_RTCCLKSOURCE_LSE) || \
  1248. ((__SOURCE__) == RCC_RTCCLKSOURCE_LSI) || \
  1249. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV2) || \
  1250. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV3) || \
  1251. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV4) || \
  1252. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV5) || \
  1253. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV6) || \
  1254. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV7) || \
  1255. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV8) || \
  1256. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV9) || \
  1257. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV10) || \
  1258. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV11) || \
  1259. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV12) || \
  1260. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV13) || \
  1261. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV14) || \
  1262. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV15) || \
  1263. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV16) || \
  1264. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV17) || \
  1265. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV18) || \
  1266. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV19) || \
  1267. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV20) || \
  1268. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV21) || \
  1269. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV22) || \
  1270. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV23) || \
  1271. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV24) || \
  1272. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV25) || \
  1273. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV26) || \
  1274. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV27) || \
  1275. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV28) || \
  1276. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV29) || \
  1277. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV30) || \
  1278. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV31))
  1279. #define IS_RCC_PLLM_VALUE(VALUE) ((VALUE) <= 63U)
  1280. #define IS_RCC_PLLP_VALUE(VALUE) (((VALUE) == 2U) || ((VALUE) == 4U) || ((VALUE) == 6U) || ((VALUE) == 8U))
  1281. #define IS_RCC_PLLQ_VALUE(VALUE) ((2U <= (VALUE)) && ((VALUE) <= 15U))
  1282. #define IS_RCC_HCLK(HCLK) (((HCLK) == RCC_SYSCLK_DIV1) || ((HCLK) == RCC_SYSCLK_DIV2) || \
  1283. ((HCLK) == RCC_SYSCLK_DIV4) || ((HCLK) == RCC_SYSCLK_DIV8) || \
  1284. ((HCLK) == RCC_SYSCLK_DIV16) || ((HCLK) == RCC_SYSCLK_DIV64) || \
  1285. ((HCLK) == RCC_SYSCLK_DIV128) || ((HCLK) == RCC_SYSCLK_DIV256) || \
  1286. ((HCLK) == RCC_SYSCLK_DIV512))
  1287. #define IS_RCC_CLOCKTYPE(CLK) ((1U <= (CLK)) && ((CLK) <= 15U))
  1288. #define IS_RCC_PCLK(PCLK) (((PCLK) == RCC_HCLK_DIV1) || ((PCLK) == RCC_HCLK_DIV2) || \
  1289. ((PCLK) == RCC_HCLK_DIV4) || ((PCLK) == RCC_HCLK_DIV8) || \
  1290. ((PCLK) == RCC_HCLK_DIV16))
  1291. #define IS_RCC_MCO(MCOx) (((MCOx) == RCC_MCO1) || ((MCOx) == RCC_MCO2))
  1292. #define IS_RCC_MCO1SOURCE(SOURCE) (((SOURCE) == RCC_MCO1SOURCE_HSI) || ((SOURCE) == RCC_MCO1SOURCE_LSE) || \
  1293. ((SOURCE) == RCC_MCO1SOURCE_HSE) || ((SOURCE) == RCC_MCO1SOURCE_PLLCLK))
  1294. #define IS_RCC_MCODIV(DIV) (((DIV) == RCC_MCODIV_1) || ((DIV) == RCC_MCODIV_2) || \
  1295. ((DIV) == RCC_MCODIV_3) || ((DIV) == RCC_MCODIV_4) || \
  1296. ((DIV) == RCC_MCODIV_5))
  1297. #define IS_RCC_CALIBRATION_VALUE(VALUE) ((VALUE) <= 0x1FU)
  1298. /**
  1299. * @}
  1300. */
  1301. /**
  1302. * @}
  1303. */
  1304. /**
  1305. * @}
  1306. */
  1307. /**
  1308. * @}
  1309. */
  1310. #ifdef __cplusplus
  1311. }
  1312. #endif
  1313. #endif /* __STM32F4xx_HAL_RCC_H */
  1314. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/