stm32f0xx_hal_rcc.h 82 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32f0xx_hal_rcc.h
  4. * @author MCD Application Team
  5. * @brief Header file of RCC HAL module.
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * Copyright (c) 2016 STMicroelectronics.
  10. * All rights reserved.
  11. *
  12. * This software is licensed under terms that can be found in the LICENSE file in
  13. * the root directory of this software component.
  14. * If no LICENSE file comes with this software, it is provided AS-IS.
  15. ******************************************************************************
  16. */
  17. /* Define to prevent recursive inclusion -------------------------------------*/
  18. #ifndef __STM32F0xx_HAL_RCC_H
  19. #define __STM32F0xx_HAL_RCC_H
  20. #ifdef __cplusplus
  21. extern "C" {
  22. #endif
  23. /* Includes ------------------------------------------------------------------*/
  24. #include "stm32f0xx_hal_def.h"
  25. /** @addtogroup STM32F0xx_HAL_Driver
  26. * @{
  27. */
  28. /** @addtogroup RCC
  29. * @{
  30. */
  31. /** @addtogroup RCC_Private_Constants
  32. * @{
  33. */
  34. /** @defgroup RCC_Timeout RCC Timeout
  35. * @{
  36. */
  37. /* Disable Backup domain write protection state change timeout */
  38. #define RCC_DBP_TIMEOUT_VALUE (100U) /* 100 ms */
  39. /* LSE state change timeout */
  40. #define RCC_LSE_TIMEOUT_VALUE LSE_STARTUP_TIMEOUT
  41. #define CLOCKSWITCH_TIMEOUT_VALUE (5000U) /* 5 s */
  42. #define HSE_TIMEOUT_VALUE HSE_STARTUP_TIMEOUT
  43. #define HSI_TIMEOUT_VALUE (2U) /* 2 ms (minimum Tick + 1U) */
  44. #define LSI_TIMEOUT_VALUE (2U) /* 2 ms (minimum Tick + 1U) */
  45. #define PLL_TIMEOUT_VALUE (2U) /* 2 ms (minimum Tick + 1U) */
  46. #define HSI14_TIMEOUT_VALUE (2U) /* 2 ms (minimum Tick + 1U) */
  47. #if defined(RCC_HSI48_SUPPORT)
  48. #define HSI48_TIMEOUT_VALUE (2U) /* 2 ms (minimum Tick + 1U) */
  49. #endif /* RCC_HSI48_SUPPORT */
  50. /**
  51. * @}
  52. */
  53. /** @defgroup RCC_Register_Offset Register offsets
  54. * @{
  55. */
  56. #define RCC_OFFSET (RCC_BASE - PERIPH_BASE)
  57. #define RCC_CR_OFFSET 0x00
  58. #define RCC_CFGR_OFFSET 0x04
  59. #define RCC_CIR_OFFSET 0x08
  60. #define RCC_BDCR_OFFSET 0x20
  61. #define RCC_CSR_OFFSET 0x24
  62. /**
  63. * @}
  64. */
  65. /* CR register byte 2 (Bits[23:16]) base address */
  66. #define RCC_CR_BYTE2_ADDRESS ((uint32_t)(RCC_BASE + RCC_CR_OFFSET + 0x02U))
  67. /* CIR register byte 1 (Bits[15:8]) base address */
  68. #define RCC_CIR_BYTE1_ADDRESS ((uint32_t)(RCC_BASE + RCC_CIR_OFFSET + 0x01U))
  69. /* CIR register byte 2 (Bits[23:16]) base address */
  70. #define RCC_CIR_BYTE2_ADDRESS ((uint32_t)(RCC_BASE + RCC_CIR_OFFSET + 0x02U))
  71. /* Defines used for Flags */
  72. #define CR_REG_INDEX ((uint8_t)1U)
  73. #define CR2_REG_INDEX ((uint8_t)2U)
  74. #define BDCR_REG_INDEX ((uint8_t)3U)
  75. #define CSR_REG_INDEX ((uint8_t)4U)
  76. /* Bits position in in the CFGR register */
  77. #define RCC_CFGR_PLLMUL_BITNUMBER 18U
  78. #define RCC_CFGR_HPRE_BITNUMBER 4U
  79. #define RCC_CFGR_PPRE_BITNUMBER 8U
  80. /* Flags in the CFGR2 register */
  81. #define RCC_CFGR2_PREDIV_BITNUMBER 0
  82. /* Flags in the CR register */
  83. #define RCC_CR_HSIRDY_BitNumber 1
  84. #define RCC_CR_HSERDY_BitNumber 17
  85. #define RCC_CR_PLLRDY_BitNumber 25
  86. /* Flags in the CR2 register */
  87. #define RCC_CR2_HSI14RDY_BitNumber 1
  88. #define RCC_CR2_HSI48RDY_BitNumber 17
  89. /* Flags in the BDCR register */
  90. #define RCC_BDCR_LSERDY_BitNumber 1
  91. /* Flags in the CSR register */
  92. #define RCC_CSR_LSIRDY_BitNumber 1
  93. #define RCC_CSR_V18PWRRSTF_BitNumber 23
  94. #define RCC_CSR_RMVF_BitNumber 24
  95. #define RCC_CSR_OBLRSTF_BitNumber 25
  96. #define RCC_CSR_PINRSTF_BitNumber 26
  97. #define RCC_CSR_PORRSTF_BitNumber 27
  98. #define RCC_CSR_SFTRSTF_BitNumber 28
  99. #define RCC_CSR_IWDGRSTF_BitNumber 29
  100. #define RCC_CSR_WWDGRSTF_BitNumber 30
  101. #define RCC_CSR_LPWRRSTF_BitNumber 31
  102. /* Flags in the HSITRIM register */
  103. #define RCC_CR_HSITRIM_BitNumber 3
  104. #define RCC_HSI14TRIM_BIT_NUMBER 3
  105. #define RCC_FLAG_MASK ((uint8_t)0x1FU)
  106. /**
  107. * @}
  108. */
  109. /** @addtogroup RCC_Private_Macros
  110. * @{
  111. */
  112. #define IS_RCC_HSE(__HSE__) (((__HSE__) == RCC_HSE_OFF) || ((__HSE__) == RCC_HSE_ON) || \
  113. ((__HSE__) == RCC_HSE_BYPASS))
  114. #define IS_RCC_LSE(__LSE__) (((__LSE__) == RCC_LSE_OFF) || ((__LSE__) == RCC_LSE_ON) || \
  115. ((__LSE__) == RCC_LSE_BYPASS))
  116. #define IS_RCC_HSI(__HSI__) (((__HSI__) == RCC_HSI_OFF) || ((__HSI__) == RCC_HSI_ON))
  117. #define IS_RCC_HSI14(__HSI14__) (((__HSI14__) == RCC_HSI14_OFF) || ((__HSI14__) == RCC_HSI14_ON) || ((__HSI14__) == RCC_HSI14_ADC_CONTROL))
  118. #define IS_RCC_CALIBRATION_VALUE(__VALUE__) ((__VALUE__) <= 0x1FU)
  119. #define IS_RCC_LSI(__LSI__) (((__LSI__) == RCC_LSI_OFF) || ((__LSI__) == RCC_LSI_ON))
  120. #define IS_RCC_PLL(__PLL__) (((__PLL__) == RCC_PLL_NONE) || ((__PLL__) == RCC_PLL_OFF) || \
  121. ((__PLL__) == RCC_PLL_ON))
  122. #define IS_RCC_PREDIV(__PREDIV__) (((__PREDIV__) == RCC_PREDIV_DIV1) || ((__PREDIV__) == RCC_PREDIV_DIV2) || \
  123. ((__PREDIV__) == RCC_PREDIV_DIV3) || ((__PREDIV__) == RCC_PREDIV_DIV4) || \
  124. ((__PREDIV__) == RCC_PREDIV_DIV5) || ((__PREDIV__) == RCC_PREDIV_DIV6) || \
  125. ((__PREDIV__) == RCC_PREDIV_DIV7) || ((__PREDIV__) == RCC_PREDIV_DIV8) || \
  126. ((__PREDIV__) == RCC_PREDIV_DIV9) || ((__PREDIV__) == RCC_PREDIV_DIV10) || \
  127. ((__PREDIV__) == RCC_PREDIV_DIV11) || ((__PREDIV__) == RCC_PREDIV_DIV12) || \
  128. ((__PREDIV__) == RCC_PREDIV_DIV13) || ((__PREDIV__) == RCC_PREDIV_DIV14) || \
  129. ((__PREDIV__) == RCC_PREDIV_DIV15) || ((__PREDIV__) == RCC_PREDIV_DIV16))
  130. #define IS_RCC_PLL_MUL(__MUL__) (((__MUL__) == RCC_PLL_MUL2) || ((__MUL__) == RCC_PLL_MUL3) || \
  131. ((__MUL__) == RCC_PLL_MUL4) || ((__MUL__) == RCC_PLL_MUL5) || \
  132. ((__MUL__) == RCC_PLL_MUL6) || ((__MUL__) == RCC_PLL_MUL7) || \
  133. ((__MUL__) == RCC_PLL_MUL8) || ((__MUL__) == RCC_PLL_MUL9) || \
  134. ((__MUL__) == RCC_PLL_MUL10) || ((__MUL__) == RCC_PLL_MUL11) || \
  135. ((__MUL__) == RCC_PLL_MUL12) || ((__MUL__) == RCC_PLL_MUL13) || \
  136. ((__MUL__) == RCC_PLL_MUL14) || ((__MUL__) == RCC_PLL_MUL15) || \
  137. ((__MUL__) == RCC_PLL_MUL16))
  138. #define IS_RCC_CLOCKTYPE(__CLK__) ((((__CLK__) & RCC_CLOCKTYPE_SYSCLK) == RCC_CLOCKTYPE_SYSCLK) || \
  139. (((__CLK__) & RCC_CLOCKTYPE_HCLK) == RCC_CLOCKTYPE_HCLK) || \
  140. (((__CLK__) & RCC_CLOCKTYPE_PCLK1) == RCC_CLOCKTYPE_PCLK1))
  141. #define IS_RCC_HCLK(__HCLK__) (((__HCLK__) == RCC_SYSCLK_DIV1) || ((__HCLK__) == RCC_SYSCLK_DIV2) || \
  142. ((__HCLK__) == RCC_SYSCLK_DIV4) || ((__HCLK__) == RCC_SYSCLK_DIV8) || \
  143. ((__HCLK__) == RCC_SYSCLK_DIV16) || ((__HCLK__) == RCC_SYSCLK_DIV64) || \
  144. ((__HCLK__) == RCC_SYSCLK_DIV128) || ((__HCLK__) == RCC_SYSCLK_DIV256) || \
  145. ((__HCLK__) == RCC_SYSCLK_DIV512))
  146. #define IS_RCC_PCLK(__PCLK__) (((__PCLK__) == RCC_HCLK_DIV1) || ((__PCLK__) == RCC_HCLK_DIV2) || \
  147. ((__PCLK__) == RCC_HCLK_DIV4) || ((__PCLK__) == RCC_HCLK_DIV8) || \
  148. ((__PCLK__) == RCC_HCLK_DIV16))
  149. #define IS_RCC_MCO(__MCO__) ((__MCO__) == RCC_MCO)
  150. #define IS_RCC_RTCCLKSOURCE(__SOURCE__) (((__SOURCE__) == RCC_RTCCLKSOURCE_NO_CLK) || \
  151. ((__SOURCE__) == RCC_RTCCLKSOURCE_LSE) || \
  152. ((__SOURCE__) == RCC_RTCCLKSOURCE_LSI) || \
  153. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV32))
  154. #define IS_RCC_USART1CLKSOURCE(__SOURCE__) (((__SOURCE__) == RCC_USART1CLKSOURCE_PCLK1) || \
  155. ((__SOURCE__) == RCC_USART1CLKSOURCE_SYSCLK) || \
  156. ((__SOURCE__) == RCC_USART1CLKSOURCE_LSE) || \
  157. ((__SOURCE__) == RCC_USART1CLKSOURCE_HSI))
  158. #define IS_RCC_I2C1CLKSOURCE(__SOURCE__) (((__SOURCE__) == RCC_I2C1CLKSOURCE_HSI) || \
  159. ((__SOURCE__) == RCC_I2C1CLKSOURCE_SYSCLK))
  160. /**
  161. * @}
  162. */
  163. /* Exported types ------------------------------------------------------------*/
  164. /** @defgroup RCC_Exported_Types RCC Exported Types
  165. * @{
  166. */
  167. /**
  168. * @brief RCC PLL configuration structure definition
  169. */
  170. typedef struct
  171. {
  172. uint32_t PLLState; /*!< PLLState: The new state of the PLL.
  173. This parameter can be a value of @ref RCC_PLL_Config */
  174. uint32_t PLLSource; /*!< PLLSource: PLL entry clock source.
  175. This parameter must be a value of @ref RCC_PLL_Clock_Source */
  176. uint32_t PLLMUL; /*!< PLLMUL: Multiplication factor for PLL VCO input clock
  177. This parameter must be a value of @ref RCC_PLL_Multiplication_Factor*/
  178. uint32_t PREDIV; /*!< PREDIV: Predivision factor for PLL VCO input clock
  179. This parameter must be a value of @ref RCC_PLL_Prediv_Factor */
  180. } RCC_PLLInitTypeDef;
  181. /**
  182. * @brief RCC Internal/External Oscillator (HSE, HSI, LSE and LSI) configuration structure definition
  183. */
  184. typedef struct
  185. {
  186. uint32_t OscillatorType; /*!< The oscillators to be configured.
  187. This parameter can be a value of @ref RCC_Oscillator_Type */
  188. uint32_t HSEState; /*!< The new state of the HSE.
  189. This parameter can be a value of @ref RCC_HSE_Config */
  190. uint32_t LSEState; /*!< The new state of the LSE.
  191. This parameter can be a value of @ref RCC_LSE_Config */
  192. uint32_t HSIState; /*!< The new state of the HSI.
  193. This parameter can be a value of @ref RCC_HSI_Config */
  194. uint32_t HSICalibrationValue; /*!< The HSI calibration trimming value (default is RCC_HSICALIBRATION_DEFAULT).
  195. This parameter must be a number between Min_Data = 0x00 and Max_Data = 0x1FU */
  196. uint32_t HSI14State; /*!< The new state of the HSI14.
  197. This parameter can be a value of @ref RCC_HSI14_Config */
  198. uint32_t HSI14CalibrationValue; /*!< The HSI14 calibration trimming value (default is RCC_HSI14CALIBRATION_DEFAULT).
  199. This parameter must be a number between Min_Data = 0x00 and Max_Data = 0x1FU */
  200. uint32_t LSIState; /*!< The new state of the LSI.
  201. This parameter can be a value of @ref RCC_LSI_Config */
  202. #if defined(RCC_HSI48_SUPPORT)
  203. uint32_t HSI48State; /*!< The new state of the HSI48.
  204. This parameter can be a value of @ref RCC_HSI48_Config */
  205. #endif /* RCC_HSI48_SUPPORT */
  206. RCC_PLLInitTypeDef PLL; /*!< PLL structure parameters */
  207. } RCC_OscInitTypeDef;
  208. /**
  209. * @brief RCC System, AHB and APB busses clock configuration structure definition
  210. */
  211. typedef struct
  212. {
  213. uint32_t ClockType; /*!< The clock to be configured.
  214. This parameter can be a value of @ref RCC_System_Clock_Type */
  215. uint32_t SYSCLKSource; /*!< The clock source (SYSCLKS) used as system clock.
  216. This parameter can be a value of @ref RCC_System_Clock_Source */
  217. uint32_t AHBCLKDivider; /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
  218. This parameter can be a value of @ref RCC_AHB_Clock_Source */
  219. uint32_t APB1CLKDivider; /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
  220. This parameter can be a value of @ref RCC_APB1_Clock_Source */
  221. } RCC_ClkInitTypeDef;
  222. /**
  223. * @}
  224. */
  225. /* Exported constants --------------------------------------------------------*/
  226. /** @defgroup RCC_Exported_Constants RCC Exported Constants
  227. * @{
  228. */
  229. /** @defgroup RCC_PLL_Clock_Source PLL Clock Source
  230. * @{
  231. */
  232. #define RCC_PLLSOURCE_HSE RCC_CFGR_PLLSRC_HSE_PREDIV /*!< HSE clock selected as PLL entry clock source */
  233. /**
  234. * @}
  235. */
  236. /** @defgroup RCC_Oscillator_Type Oscillator Type
  237. * @{
  238. */
  239. #define RCC_OSCILLATORTYPE_NONE (0x00000000U)
  240. #define RCC_OSCILLATORTYPE_HSE (0x00000001U)
  241. #define RCC_OSCILLATORTYPE_HSI (0x00000002U)
  242. #define RCC_OSCILLATORTYPE_LSE (0x00000004U)
  243. #define RCC_OSCILLATORTYPE_LSI (0x00000008U)
  244. #define RCC_OSCILLATORTYPE_HSI14 (0x00000010U)
  245. #if defined(RCC_HSI48_SUPPORT)
  246. #define RCC_OSCILLATORTYPE_HSI48 (0x00000020U)
  247. #endif /* RCC_HSI48_SUPPORT */
  248. /**
  249. * @}
  250. */
  251. /** @defgroup RCC_HSE_Config HSE Config
  252. * @{
  253. */
  254. #define RCC_HSE_OFF (0x00000000U) /*!< HSE clock deactivation */
  255. #define RCC_HSE_ON (0x00000001U) /*!< HSE clock activation */
  256. #define RCC_HSE_BYPASS (0x00000005U) /*!< External clock source for HSE clock */
  257. /**
  258. * @}
  259. */
  260. /** @defgroup RCC_LSE_Config LSE Config
  261. * @{
  262. */
  263. #define RCC_LSE_OFF (0x00000000U) /*!< LSE clock deactivation */
  264. #define RCC_LSE_ON (0x00000001U) /*!< LSE clock activation */
  265. #define RCC_LSE_BYPASS (0x00000005U) /*!< External clock source for LSE clock */
  266. /**
  267. * @}
  268. */
  269. /** @defgroup RCC_HSI_Config HSI Config
  270. * @{
  271. */
  272. #define RCC_HSI_OFF (0x00000000U) /*!< HSI clock deactivation */
  273. #define RCC_HSI_ON RCC_CR_HSION /*!< HSI clock activation */
  274. #define RCC_HSICALIBRATION_DEFAULT (0x10U) /* Default HSI calibration trimming value */
  275. /**
  276. * @}
  277. */
  278. /** @defgroup RCC_HSI14_Config RCC HSI14 Config
  279. * @{
  280. */
  281. #define RCC_HSI14_OFF (0x00000000U)
  282. #define RCC_HSI14_ON RCC_CR2_HSI14ON
  283. #define RCC_HSI14_ADC_CONTROL (~RCC_CR2_HSI14DIS)
  284. #define RCC_HSI14CALIBRATION_DEFAULT (0x10U) /* Default HSI14 calibration trimming value */
  285. /**
  286. * @}
  287. */
  288. /** @defgroup RCC_LSI_Config LSI Config
  289. * @{
  290. */
  291. #define RCC_LSI_OFF (0x00000000U) /*!< LSI clock deactivation */
  292. #define RCC_LSI_ON RCC_CSR_LSION /*!< LSI clock activation */
  293. /**
  294. * @}
  295. */
  296. #if defined(RCC_HSI48_SUPPORT)
  297. /** @defgroup RCC_HSI48_Config HSI48 Config
  298. * @{
  299. */
  300. #define RCC_HSI48_OFF ((uint8_t)0x00U)
  301. #define RCC_HSI48_ON ((uint8_t)0x01U)
  302. /**
  303. * @}
  304. */
  305. #endif /* RCC_HSI48_SUPPORT */
  306. /** @defgroup RCC_PLL_Config PLL Config
  307. * @{
  308. */
  309. #define RCC_PLL_NONE (0x00000000U) /*!< PLL is not configured */
  310. #define RCC_PLL_OFF (0x00000001U) /*!< PLL deactivation */
  311. #define RCC_PLL_ON (0x00000002U) /*!< PLL activation */
  312. /**
  313. * @}
  314. */
  315. /** @defgroup RCC_System_Clock_Type System Clock Type
  316. * @{
  317. */
  318. #define RCC_CLOCKTYPE_SYSCLK (0x00000001U) /*!< SYSCLK to configure */
  319. #define RCC_CLOCKTYPE_HCLK (0x00000002U) /*!< HCLK to configure */
  320. #define RCC_CLOCKTYPE_PCLK1 (0x00000004U) /*!< PCLK1 to configure */
  321. /**
  322. * @}
  323. */
  324. /** @defgroup RCC_System_Clock_Source System Clock Source
  325. * @{
  326. */
  327. #define RCC_SYSCLKSOURCE_HSI RCC_CFGR_SW_HSI /*!< HSI selected as system clock */
  328. #define RCC_SYSCLKSOURCE_HSE RCC_CFGR_SW_HSE /*!< HSE selected as system clock */
  329. #define RCC_SYSCLKSOURCE_PLLCLK RCC_CFGR_SW_PLL /*!< PLL selected as system clock */
  330. /**
  331. * @}
  332. */
  333. /** @defgroup RCC_System_Clock_Source_Status System Clock Source Status
  334. * @{
  335. */
  336. #define RCC_SYSCLKSOURCE_STATUS_HSI RCC_CFGR_SWS_HSI /*!< HSI used as system clock */
  337. #define RCC_SYSCLKSOURCE_STATUS_HSE RCC_CFGR_SWS_HSE /*!< HSE used as system clock */
  338. #define RCC_SYSCLKSOURCE_STATUS_PLLCLK RCC_CFGR_SWS_PLL /*!< PLL used as system clock */
  339. /**
  340. * @}
  341. */
  342. /** @defgroup RCC_AHB_Clock_Source AHB Clock Source
  343. * @{
  344. */
  345. #define RCC_SYSCLK_DIV1 RCC_CFGR_HPRE_DIV1 /*!< SYSCLK not divided */
  346. #define RCC_SYSCLK_DIV2 RCC_CFGR_HPRE_DIV2 /*!< SYSCLK divided by 2 */
  347. #define RCC_SYSCLK_DIV4 RCC_CFGR_HPRE_DIV4 /*!< SYSCLK divided by 4 */
  348. #define RCC_SYSCLK_DIV8 RCC_CFGR_HPRE_DIV8 /*!< SYSCLK divided by 8 */
  349. #define RCC_SYSCLK_DIV16 RCC_CFGR_HPRE_DIV16 /*!< SYSCLK divided by 16 */
  350. #define RCC_SYSCLK_DIV64 RCC_CFGR_HPRE_DIV64 /*!< SYSCLK divided by 64 */
  351. #define RCC_SYSCLK_DIV128 RCC_CFGR_HPRE_DIV128 /*!< SYSCLK divided by 128 */
  352. #define RCC_SYSCLK_DIV256 RCC_CFGR_HPRE_DIV256 /*!< SYSCLK divided by 256 */
  353. #define RCC_SYSCLK_DIV512 RCC_CFGR_HPRE_DIV512 /*!< SYSCLK divided by 512 */
  354. /**
  355. * @}
  356. */
  357. /** @defgroup RCC_APB1_Clock_Source RCC APB1 Clock Source
  358. * @{
  359. */
  360. #define RCC_HCLK_DIV1 RCC_CFGR_PPRE_DIV1 /*!< HCLK not divided */
  361. #define RCC_HCLK_DIV2 RCC_CFGR_PPRE_DIV2 /*!< HCLK divided by 2 */
  362. #define RCC_HCLK_DIV4 RCC_CFGR_PPRE_DIV4 /*!< HCLK divided by 4 */
  363. #define RCC_HCLK_DIV8 RCC_CFGR_PPRE_DIV8 /*!< HCLK divided by 8 */
  364. #define RCC_HCLK_DIV16 RCC_CFGR_PPRE_DIV16 /*!< HCLK divided by 16 */
  365. /**
  366. * @}
  367. */
  368. /** @defgroup RCC_RTC_Clock_Source RTC Clock Source
  369. * @{
  370. */
  371. #define RCC_RTCCLKSOURCE_NO_CLK (0x00000000U) /*!< No clock */
  372. #define RCC_RTCCLKSOURCE_LSE RCC_BDCR_RTCSEL_LSE /*!< LSE oscillator clock used as RTC clock */
  373. #define RCC_RTCCLKSOURCE_LSI RCC_BDCR_RTCSEL_LSI /*!< LSI oscillator clock used as RTC clock */
  374. #define RCC_RTCCLKSOURCE_HSE_DIV32 RCC_BDCR_RTCSEL_HSE /*!< HSE oscillator clock divided by 32 used as RTC clock */
  375. /**
  376. * @}
  377. */
  378. /** @defgroup RCC_PLL_Multiplication_Factor RCC PLL Multiplication Factor
  379. * @{
  380. */
  381. #define RCC_PLL_MUL2 RCC_CFGR_PLLMUL2
  382. #define RCC_PLL_MUL3 RCC_CFGR_PLLMUL3
  383. #define RCC_PLL_MUL4 RCC_CFGR_PLLMUL4
  384. #define RCC_PLL_MUL5 RCC_CFGR_PLLMUL5
  385. #define RCC_PLL_MUL6 RCC_CFGR_PLLMUL6
  386. #define RCC_PLL_MUL7 RCC_CFGR_PLLMUL7
  387. #define RCC_PLL_MUL8 RCC_CFGR_PLLMUL8
  388. #define RCC_PLL_MUL9 RCC_CFGR_PLLMUL9
  389. #define RCC_PLL_MUL10 RCC_CFGR_PLLMUL10
  390. #define RCC_PLL_MUL11 RCC_CFGR_PLLMUL11
  391. #define RCC_PLL_MUL12 RCC_CFGR_PLLMUL12
  392. #define RCC_PLL_MUL13 RCC_CFGR_PLLMUL13
  393. #define RCC_PLL_MUL14 RCC_CFGR_PLLMUL14
  394. #define RCC_PLL_MUL15 RCC_CFGR_PLLMUL15
  395. #define RCC_PLL_MUL16 RCC_CFGR_PLLMUL16
  396. /**
  397. * @}
  398. */
  399. /** @defgroup RCC_PLL_Prediv_Factor RCC PLL Prediv Factor
  400. * @{
  401. */
  402. #define RCC_PREDIV_DIV1 RCC_CFGR2_PREDIV_DIV1
  403. #define RCC_PREDIV_DIV2 RCC_CFGR2_PREDIV_DIV2
  404. #define RCC_PREDIV_DIV3 RCC_CFGR2_PREDIV_DIV3
  405. #define RCC_PREDIV_DIV4 RCC_CFGR2_PREDIV_DIV4
  406. #define RCC_PREDIV_DIV5 RCC_CFGR2_PREDIV_DIV5
  407. #define RCC_PREDIV_DIV6 RCC_CFGR2_PREDIV_DIV6
  408. #define RCC_PREDIV_DIV7 RCC_CFGR2_PREDIV_DIV7
  409. #define RCC_PREDIV_DIV8 RCC_CFGR2_PREDIV_DIV8
  410. #define RCC_PREDIV_DIV9 RCC_CFGR2_PREDIV_DIV9
  411. #define RCC_PREDIV_DIV10 RCC_CFGR2_PREDIV_DIV10
  412. #define RCC_PREDIV_DIV11 RCC_CFGR2_PREDIV_DIV11
  413. #define RCC_PREDIV_DIV12 RCC_CFGR2_PREDIV_DIV12
  414. #define RCC_PREDIV_DIV13 RCC_CFGR2_PREDIV_DIV13
  415. #define RCC_PREDIV_DIV14 RCC_CFGR2_PREDIV_DIV14
  416. #define RCC_PREDIV_DIV15 RCC_CFGR2_PREDIV_DIV15
  417. #define RCC_PREDIV_DIV16 RCC_CFGR2_PREDIV_DIV16
  418. /**
  419. * @}
  420. */
  421. /** @defgroup RCC_USART1_Clock_Source RCC USART1 Clock Source
  422. * @{
  423. */
  424. #define RCC_USART1CLKSOURCE_PCLK1 RCC_CFGR3_USART1SW_PCLK
  425. #define RCC_USART1CLKSOURCE_SYSCLK RCC_CFGR3_USART1SW_SYSCLK
  426. #define RCC_USART1CLKSOURCE_LSE RCC_CFGR3_USART1SW_LSE
  427. #define RCC_USART1CLKSOURCE_HSI RCC_CFGR3_USART1SW_HSI
  428. /**
  429. * @}
  430. */
  431. /** @defgroup RCC_I2C1_Clock_Source RCC I2C1 Clock Source
  432. * @{
  433. */
  434. #define RCC_I2C1CLKSOURCE_HSI RCC_CFGR3_I2C1SW_HSI
  435. #define RCC_I2C1CLKSOURCE_SYSCLK RCC_CFGR3_I2C1SW_SYSCLK
  436. /**
  437. * @}
  438. */
  439. /** @defgroup RCC_MCO_Index MCO Index
  440. * @{
  441. */
  442. #define RCC_MCO1 (0x00000000U)
  443. #define RCC_MCO RCC_MCO1 /*!< MCO1 to be compliant with other families with 2 MCOs*/
  444. /**
  445. * @}
  446. */
  447. /** @defgroup RCC_MCO_Clock_Source RCC MCO Clock Source
  448. * @{
  449. */
  450. #define RCC_MCO1SOURCE_NOCLOCK RCC_CFGR_MCO_NOCLOCK
  451. #define RCC_MCO1SOURCE_LSI RCC_CFGR_MCO_LSI
  452. #define RCC_MCO1SOURCE_LSE RCC_CFGR_MCO_LSE
  453. #define RCC_MCO1SOURCE_SYSCLK RCC_CFGR_MCO_SYSCLK
  454. #define RCC_MCO1SOURCE_HSI RCC_CFGR_MCO_HSI
  455. #define RCC_MCO1SOURCE_HSE RCC_CFGR_MCO_HSE
  456. #define RCC_MCO1SOURCE_PLLCLK_DIV2 RCC_CFGR_MCO_PLL
  457. #define RCC_MCO1SOURCE_HSI14 RCC_CFGR_MCO_HSI14
  458. /**
  459. * @}
  460. */
  461. /** @defgroup RCC_Interrupt Interrupts
  462. * @{
  463. */
  464. #define RCC_IT_LSIRDY ((uint8_t)RCC_CIR_LSIRDYF) /*!< LSI Ready Interrupt flag */
  465. #define RCC_IT_LSERDY ((uint8_t)RCC_CIR_LSERDYF) /*!< LSE Ready Interrupt flag */
  466. #define RCC_IT_HSIRDY ((uint8_t)RCC_CIR_HSIRDYF) /*!< HSI Ready Interrupt flag */
  467. #define RCC_IT_HSERDY ((uint8_t)RCC_CIR_HSERDYF) /*!< HSE Ready Interrupt flag */
  468. #define RCC_IT_PLLRDY ((uint8_t)RCC_CIR_PLLRDYF) /*!< PLL Ready Interrupt flag */
  469. #define RCC_IT_HSI14RDY ((uint8_t)RCC_CIR_HSI14RDYF) /*!< HSI14 Ready Interrupt flag */
  470. #if defined(RCC_CIR_HSI48RDYF)
  471. #define RCC_IT_HSI48RDY ((uint8_t)RCC_CIR_HSI48RDYF) /*!< HSI48 Ready Interrupt flag */
  472. #endif
  473. #define RCC_IT_CSS ((uint8_t)RCC_CIR_CSSF) /*!< Clock Security System Interrupt flag */
  474. /**
  475. * @}
  476. */
  477. /** @defgroup RCC_Flag Flags
  478. * Elements values convention: XXXYYYYYb
  479. * - YYYYY : Flag position in the register
  480. * - XXX : Register index
  481. * - 001: CR register
  482. * - 010: CR2 register
  483. * - 011: BDCR register
  484. * - 0100: CSR register
  485. * @{
  486. */
  487. /* Flags in the CR register */
  488. #define RCC_FLAG_HSIRDY ((uint8_t)((CR_REG_INDEX << 5U) | RCC_CR_HSIRDY_BitNumber))
  489. #define RCC_FLAG_HSERDY ((uint8_t)((CR_REG_INDEX << 5U) | RCC_CR_HSERDY_BitNumber))
  490. #define RCC_FLAG_PLLRDY ((uint8_t)((CR_REG_INDEX << 5U) | RCC_CR_PLLRDY_BitNumber))
  491. /* Flags in the CR2 register */
  492. #define RCC_FLAG_HSI14RDY ((uint8_t)((CR2_REG_INDEX << 5U) | RCC_CR2_HSI14RDY_BitNumber))
  493. /* Flags in the CSR register */
  494. #define RCC_FLAG_LSIRDY ((uint8_t)((CSR_REG_INDEX << 5U) | RCC_CSR_LSIRDY_BitNumber))
  495. #if defined(RCC_CSR_V18PWRRSTF)
  496. #define RCC_FLAG_V18PWRRST ((uint8_t)((CSR_REG_INDEX << 5U) | RCC_CSR_V18PWRRSTF_BitNumber))
  497. #endif
  498. #define RCC_FLAG_OBLRST ((uint8_t)((CSR_REG_INDEX << 5U) | RCC_CSR_OBLRSTF_BitNumber))
  499. #define RCC_FLAG_PINRST ((uint8_t)((CSR_REG_INDEX << 5U) | RCC_CSR_PINRSTF_BitNumber)) /*!< PIN reset flag */
  500. #define RCC_FLAG_PORRST ((uint8_t)((CSR_REG_INDEX << 5U) | RCC_CSR_PORRSTF_BitNumber)) /*!< POR/PDR reset flag */
  501. #define RCC_FLAG_SFTRST ((uint8_t)((CSR_REG_INDEX << 5U) | RCC_CSR_SFTRSTF_BitNumber)) /*!< Software Reset flag */
  502. #define RCC_FLAG_IWDGRST ((uint8_t)((CSR_REG_INDEX << 5U) | RCC_CSR_IWDGRSTF_BitNumber)) /*!< Independent Watchdog reset flag */
  503. #define RCC_FLAG_WWDGRST ((uint8_t)((CSR_REG_INDEX << 5U) | RCC_CSR_WWDGRSTF_BitNumber)) /*!< Window watchdog reset flag */
  504. #define RCC_FLAG_LPWRRST ((uint8_t)((CSR_REG_INDEX << 5U) | RCC_CSR_LPWRRSTF_BitNumber)) /*!< Low-Power reset flag */
  505. /* Flags in the BDCR register */
  506. #define RCC_FLAG_LSERDY ((uint8_t)((BDCR_REG_INDEX << 5U) | RCC_BDCR_LSERDY_BitNumber)) /*!< External Low Speed oscillator Ready */
  507. /**
  508. * @}
  509. */
  510. /**
  511. * @}
  512. */
  513. /* Exported macro ------------------------------------------------------------*/
  514. /** @defgroup RCC_Exported_Macros RCC Exported Macros
  515. * @{
  516. */
  517. /** @defgroup RCC_AHB_Clock_Enable_Disable RCC AHB Clock Enable Disable
  518. * @brief Enable or disable the AHB peripheral clock.
  519. * @note After reset, the peripheral clock (used for registers read/write access)
  520. * is disabled and the application software has to enable this clock before
  521. * using it.
  522. * @{
  523. */
  524. #define __HAL_RCC_GPIOA_CLK_ENABLE() do { \
  525. __IO uint32_t tmpreg; \
  526. SET_BIT(RCC->AHBENR, RCC_AHBENR_GPIOAEN);\
  527. /* Delay after an RCC peripheral clock enabling */\
  528. tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_GPIOAEN);\
  529. UNUSED(tmpreg); \
  530. } while(0U)
  531. #define __HAL_RCC_GPIOB_CLK_ENABLE() do { \
  532. __IO uint32_t tmpreg; \
  533. SET_BIT(RCC->AHBENR, RCC_AHBENR_GPIOBEN);\
  534. /* Delay after an RCC peripheral clock enabling */\
  535. tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_GPIOBEN);\
  536. UNUSED(tmpreg); \
  537. } while(0U)
  538. #define __HAL_RCC_GPIOC_CLK_ENABLE() do { \
  539. __IO uint32_t tmpreg; \
  540. SET_BIT(RCC->AHBENR, RCC_AHBENR_GPIOCEN);\
  541. /* Delay after an RCC peripheral clock enabling */\
  542. tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_GPIOCEN);\
  543. UNUSED(tmpreg); \
  544. } while(0U)
  545. #define __HAL_RCC_GPIOF_CLK_ENABLE() do { \
  546. __IO uint32_t tmpreg; \
  547. SET_BIT(RCC->AHBENR, RCC_AHBENR_GPIOFEN);\
  548. /* Delay after an RCC peripheral clock enabling */\
  549. tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_GPIOFEN);\
  550. UNUSED(tmpreg); \
  551. } while(0U)
  552. #define __HAL_RCC_CRC_CLK_ENABLE() do { \
  553. __IO uint32_t tmpreg; \
  554. SET_BIT(RCC->AHBENR, RCC_AHBENR_CRCEN);\
  555. /* Delay after an RCC peripheral clock enabling */\
  556. tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_CRCEN);\
  557. UNUSED(tmpreg); \
  558. } while(0U)
  559. #define __HAL_RCC_DMA1_CLK_ENABLE() do { \
  560. __IO uint32_t tmpreg; \
  561. SET_BIT(RCC->AHBENR, RCC_AHBENR_DMA1EN);\
  562. /* Delay after an RCC peripheral clock enabling */\
  563. tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_DMA1EN);\
  564. UNUSED(tmpreg); \
  565. } while(0U)
  566. #define __HAL_RCC_SRAM_CLK_ENABLE() do { \
  567. __IO uint32_t tmpreg; \
  568. SET_BIT(RCC->AHBENR, RCC_AHBENR_SRAMEN);\
  569. /* Delay after an RCC peripheral clock enabling */\
  570. tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_SRAMEN);\
  571. UNUSED(tmpreg); \
  572. } while(0U)
  573. #define __HAL_RCC_FLITF_CLK_ENABLE() do { \
  574. __IO uint32_t tmpreg; \
  575. SET_BIT(RCC->AHBENR, RCC_AHBENR_FLITFEN);\
  576. /* Delay after an RCC peripheral clock enabling */\
  577. tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_FLITFEN);\
  578. UNUSED(tmpreg); \
  579. } while(0U)
  580. #define __HAL_RCC_GPIOA_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_GPIOAEN))
  581. #define __HAL_RCC_GPIOB_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_GPIOBEN))
  582. #define __HAL_RCC_GPIOC_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_GPIOCEN))
  583. #define __HAL_RCC_GPIOF_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_GPIOFEN))
  584. #define __HAL_RCC_CRC_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_CRCEN))
  585. #define __HAL_RCC_DMA1_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_DMA1EN))
  586. #define __HAL_RCC_SRAM_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_SRAMEN))
  587. #define __HAL_RCC_FLITF_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_FLITFEN))
  588. /**
  589. * @}
  590. */
  591. /** @defgroup RCC_AHB_Peripheral_Clock_Enable_Disable_Status AHB Peripheral Clock Enable Disable Status
  592. * @brief Get the enable or disable status of the AHB peripheral clock.
  593. * @note After reset, the peripheral clock (used for registers read/write access)
  594. * is disabled and the application software has to enable this clock before
  595. * using it.
  596. * @{
  597. */
  598. #define __HAL_RCC_GPIOA_IS_CLK_ENABLED() ((RCC->AHBENR & (RCC_AHBENR_GPIOAEN)) != RESET)
  599. #define __HAL_RCC_GPIOB_IS_CLK_ENABLED() ((RCC->AHBENR & (RCC_AHBENR_GPIOBEN)) != RESET)
  600. #define __HAL_RCC_GPIOC_IS_CLK_ENABLED() ((RCC->AHBENR & (RCC_AHBENR_GPIOCEN)) != RESET)
  601. #define __HAL_RCC_GPIOF_IS_CLK_ENABLED() ((RCC->AHBENR & (RCC_AHBENR_GPIOFEN)) != RESET)
  602. #define __HAL_RCC_CRC_IS_CLK_ENABLED() ((RCC->AHBENR & (RCC_AHBENR_CRCEN)) != RESET)
  603. #define __HAL_RCC_DMA1_IS_CLK_ENABLED() ((RCC->AHBENR & (RCC_AHBENR_DMA1EN)) != RESET)
  604. #define __HAL_RCC_SRAM_IS_CLK_ENABLED() ((RCC->AHBENR & (RCC_AHBENR_SRAMEN)) != RESET)
  605. #define __HAL_RCC_FLITF_IS_CLK_ENABLED() ((RCC->AHBENR & (RCC_AHBENR_FLITFEN)) != RESET)
  606. #define __HAL_RCC_GPIOA_IS_CLK_DISABLED() ((RCC->AHBENR & (RCC_AHBENR_GPIOAEN)) == RESET)
  607. #define __HAL_RCC_GPIOB_IS_CLK_DISABLED() ((RCC->AHBENR & (RCC_AHBENR_GPIOBEN)) == RESET)
  608. #define __HAL_RCC_GPIOC_IS_CLK_DISABLED() ((RCC->AHBENR & (RCC_AHBENR_GPIOCEN)) == RESET)
  609. #define __HAL_RCC_GPIOF_IS_CLK_DISABLED() ((RCC->AHBENR & (RCC_AHBENR_GPIOFEN)) == RESET)
  610. #define __HAL_RCC_CRC_IS_CLK_DISABLED() ((RCC->AHBENR & (RCC_AHBENR_CRCEN)) == RESET)
  611. #define __HAL_RCC_DMA1_IS_CLK_DISABLED() ((RCC->AHBENR & (RCC_AHBENR_DMA1EN)) == RESET)
  612. #define __HAL_RCC_SRAM_IS_CLK_DISABLED() ((RCC->AHBENR & (RCC_AHBENR_SRAMEN)) == RESET)
  613. #define __HAL_RCC_FLITF_IS_CLK_DISABLED() ((RCC->AHBENR & (RCC_AHBENR_FLITFEN)) == RESET)
  614. /**
  615. * @}
  616. */
  617. /** @defgroup RCC_APB1_Clock_Enable_Disable RCC APB1 Clock Enable Disable
  618. * @brief Enable or disable the Low Speed APB (APB1) peripheral clock.
  619. * @note After reset, the peripheral clock (used for registers read/write access)
  620. * is disabled and the application software has to enable this clock before
  621. * using it.
  622. * @{
  623. */
  624. #define __HAL_RCC_TIM3_CLK_ENABLE() do { \
  625. __IO uint32_t tmpreg; \
  626. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM3EN);\
  627. /* Delay after an RCC peripheral clock enabling */\
  628. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM3EN);\
  629. UNUSED(tmpreg); \
  630. } while(0U)
  631. #define __HAL_RCC_TIM14_CLK_ENABLE() do { \
  632. __IO uint32_t tmpreg; \
  633. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM14EN);\
  634. /* Delay after an RCC peripheral clock enabling */\
  635. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM14EN);\
  636. UNUSED(tmpreg); \
  637. } while(0U)
  638. #define __HAL_RCC_WWDG_CLK_ENABLE() do { \
  639. __IO uint32_t tmpreg; \
  640. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN);\
  641. /* Delay after an RCC peripheral clock enabling */\
  642. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN);\
  643. UNUSED(tmpreg); \
  644. } while(0U)
  645. #define __HAL_RCC_I2C1_CLK_ENABLE() do { \
  646. __IO uint32_t tmpreg; \
  647. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C1EN);\
  648. /* Delay after an RCC peripheral clock enabling */\
  649. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C1EN);\
  650. UNUSED(tmpreg); \
  651. } while(0U)
  652. #define __HAL_RCC_PWR_CLK_ENABLE() do { \
  653. __IO uint32_t tmpreg; \
  654. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN);\
  655. /* Delay after an RCC peripheral clock enabling */\
  656. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN);\
  657. UNUSED(tmpreg); \
  658. } while(0U)
  659. #define __HAL_RCC_TIM3_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM3EN))
  660. #define __HAL_RCC_TIM14_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM14EN))
  661. #define __HAL_RCC_WWDG_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_WWDGEN))
  662. #define __HAL_RCC_I2C1_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C1EN))
  663. #define __HAL_RCC_PWR_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_PWREN))
  664. /**
  665. * @}
  666. */
  667. /** @defgroup RCC_APB1_Peripheral_Clock_Enable_Disable_Status APB1 Peripheral Clock Enable Disable Status
  668. * @brief Get the enable or disable status of the APB1 peripheral clock.
  669. * @note After reset, the peripheral clock (used for registers read/write access)
  670. * is disabled and the application software has to enable this clock before
  671. * using it.
  672. * @{
  673. */
  674. #define __HAL_RCC_TIM3_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_TIM3EN)) != RESET)
  675. #define __HAL_RCC_TIM14_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_TIM14EN)) != RESET)
  676. #define __HAL_RCC_WWDG_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) != RESET)
  677. #define __HAL_RCC_I2C1_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_I2C1EN)) != RESET)
  678. #define __HAL_RCC_PWR_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) != RESET)
  679. #define __HAL_RCC_TIM3_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_TIM3EN)) == RESET)
  680. #define __HAL_RCC_TIM14_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_TIM14EN)) == RESET)
  681. #define __HAL_RCC_WWDG_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) == RESET)
  682. #define __HAL_RCC_I2C1_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_I2C1EN)) == RESET)
  683. #define __HAL_RCC_PWR_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) == RESET)
  684. /**
  685. * @}
  686. */
  687. /** @defgroup RCC_APB2_Clock_Enable_Disable RCC APB2 Clock Enable Disable
  688. * @brief Enable or disable the High Speed APB (APB2) peripheral clock.
  689. * @note After reset, the peripheral clock (used for registers read/write access)
  690. * is disabled and the application software has to enable this clock before
  691. * using it.
  692. * @{
  693. */
  694. #define __HAL_RCC_SYSCFG_CLK_ENABLE() do { \
  695. __IO uint32_t tmpreg; \
  696. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN);\
  697. /* Delay after an RCC peripheral clock enabling */\
  698. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN);\
  699. UNUSED(tmpreg); \
  700. } while(0U)
  701. #define __HAL_RCC_ADC1_CLK_ENABLE() do { \
  702. __IO uint32_t tmpreg; \
  703. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_ADC1EN);\
  704. /* Delay after an RCC peripheral clock enabling */\
  705. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_ADC1EN);\
  706. UNUSED(tmpreg); \
  707. } while(0U)
  708. #define __HAL_RCC_TIM1_CLK_ENABLE() do { \
  709. __IO uint32_t tmpreg; \
  710. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM1EN);\
  711. /* Delay after an RCC peripheral clock enabling */\
  712. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM1EN);\
  713. UNUSED(tmpreg); \
  714. } while(0U)
  715. #define __HAL_RCC_SPI1_CLK_ENABLE() do { \
  716. __IO uint32_t tmpreg; \
  717. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_SPI1EN);\
  718. /* Delay after an RCC peripheral clock enabling */\
  719. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_SPI1EN);\
  720. UNUSED(tmpreg); \
  721. } while(0U)
  722. #define __HAL_RCC_TIM16_CLK_ENABLE() do { \
  723. __IO uint32_t tmpreg; \
  724. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM16EN);\
  725. /* Delay after an RCC peripheral clock enabling */\
  726. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM16EN);\
  727. UNUSED(tmpreg); \
  728. } while(0U)
  729. #define __HAL_RCC_TIM17_CLK_ENABLE() do { \
  730. __IO uint32_t tmpreg; \
  731. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM17EN);\
  732. /* Delay after an RCC peripheral clock enabling */\
  733. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM17EN);\
  734. UNUSED(tmpreg); \
  735. } while(0U)
  736. #define __HAL_RCC_USART1_CLK_ENABLE() do { \
  737. __IO uint32_t tmpreg; \
  738. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_USART1EN);\
  739. /* Delay after an RCC peripheral clock enabling */\
  740. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_USART1EN);\
  741. UNUSED(tmpreg); \
  742. } while(0U)
  743. #define __HAL_RCC_DBGMCU_CLK_ENABLE() do { \
  744. __IO uint32_t tmpreg; \
  745. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_DBGMCUEN);\
  746. /* Delay after an RCC peripheral clock enabling */\
  747. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_DBGMCUEN);\
  748. UNUSED(tmpreg); \
  749. } while(0U)
  750. #define __HAL_RCC_SYSCFG_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_SYSCFGEN))
  751. #define __HAL_RCC_ADC1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_ADC1EN))
  752. #define __HAL_RCC_TIM1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM1EN))
  753. #define __HAL_RCC_SPI1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_SPI1EN))
  754. #define __HAL_RCC_TIM16_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM16EN))
  755. #define __HAL_RCC_TIM17_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM17EN))
  756. #define __HAL_RCC_USART1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_USART1EN))
  757. #define __HAL_RCC_DBGMCU_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_DBGMCUEN))
  758. /**
  759. * @}
  760. */
  761. /** @defgroup RCC_APB2_Peripheral_Clock_Enable_Disable_Status APB2 Peripheral Clock Enable Disable Status
  762. * @brief Get the enable or disable status of the APB2 peripheral clock.
  763. * @note After reset, the peripheral clock (used for registers read/write access)
  764. * is disabled and the application software has to enable this clock before
  765. * using it.
  766. * @{
  767. */
  768. #define __HAL_RCC_SYSCFG_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SYSCFGEN)) != RESET)
  769. #define __HAL_RCC_ADC1_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_ADC1EN)) != RESET)
  770. #define __HAL_RCC_TIM1_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM1EN)) != RESET)
  771. #define __HAL_RCC_SPI1_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SPI1EN)) != RESET)
  772. #define __HAL_RCC_TIM16_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM16EN)) != RESET)
  773. #define __HAL_RCC_TIM17_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM17EN)) != RESET)
  774. #define __HAL_RCC_USART1_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_USART1EN)) != RESET)
  775. #define __HAL_RCC_DBGMCU_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_DBGMCUEN)) != RESET)
  776. #define __HAL_RCC_SYSCFG_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SYSCFGEN)) == RESET)
  777. #define __HAL_RCC_ADC1_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_ADC1EN)) == RESET)
  778. #define __HAL_RCC_TIM1_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM1EN)) == RESET)
  779. #define __HAL_RCC_SPI1_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SPI1EN)) == RESET)
  780. #define __HAL_RCC_TIM16_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM16EN)) == RESET)
  781. #define __HAL_RCC_TIM17_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM17EN)) == RESET)
  782. #define __HAL_RCC_USART1_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_USART1EN)) == RESET)
  783. #define __HAL_RCC_DBGMCU_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_DBGMCUEN)) == RESET)
  784. /**
  785. * @}
  786. */
  787. /** @defgroup RCC_AHB_Force_Release_Reset RCC AHB Force Release Reset
  788. * @brief Force or release AHB peripheral reset.
  789. * @{
  790. */
  791. #define __HAL_RCC_AHB_FORCE_RESET() (RCC->AHBRSTR = 0xFFFFFFFFU)
  792. #define __HAL_RCC_GPIOA_FORCE_RESET() (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOARST))
  793. #define __HAL_RCC_GPIOB_FORCE_RESET() (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOBRST))
  794. #define __HAL_RCC_GPIOC_FORCE_RESET() (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOCRST))
  795. #define __HAL_RCC_GPIOF_FORCE_RESET() (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOFRST))
  796. #define __HAL_RCC_AHB_RELEASE_RESET() (RCC->AHBRSTR = 0x00000000U)
  797. #define __HAL_RCC_GPIOA_RELEASE_RESET() (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOARST))
  798. #define __HAL_RCC_GPIOB_RELEASE_RESET() (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOBRST))
  799. #define __HAL_RCC_GPIOC_RELEASE_RESET() (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOCRST))
  800. #define __HAL_RCC_GPIOF_RELEASE_RESET() (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOFRST))
  801. /**
  802. * @}
  803. */
  804. /** @defgroup RCC_APB1_Force_Release_Reset RCC APB1 Force Release Reset
  805. * @brief Force or release APB1 peripheral reset.
  806. * @{
  807. */
  808. #define __HAL_RCC_APB1_FORCE_RESET() (RCC->APB1RSTR = 0xFFFFFFFFU)
  809. #define __HAL_RCC_TIM3_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM3RST))
  810. #define __HAL_RCC_TIM14_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM14RST))
  811. #define __HAL_RCC_WWDG_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_WWDGRST))
  812. #define __HAL_RCC_I2C1_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_I2C1RST))
  813. #define __HAL_RCC_PWR_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_PWRRST))
  814. #define __HAL_RCC_APB1_RELEASE_RESET() (RCC->APB1RSTR = 0x00000000U)
  815. #define __HAL_RCC_TIM3_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM3RST))
  816. #define __HAL_RCC_TIM14_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM14RST))
  817. #define __HAL_RCC_WWDG_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_WWDGRST))
  818. #define __HAL_RCC_I2C1_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_I2C1RST))
  819. #define __HAL_RCC_PWR_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_PWRRST))
  820. /**
  821. * @}
  822. */
  823. /** @defgroup RCC_APB2_Force_Release_Reset RCC APB2 Force Release Reset
  824. * @brief Force or release APB2 peripheral reset.
  825. * @{
  826. */
  827. #define __HAL_RCC_APB2_FORCE_RESET() (RCC->APB2RSTR = 0xFFFFFFFFU)
  828. #define __HAL_RCC_SYSCFG_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_SYSCFGRST))
  829. #define __HAL_RCC_ADC1_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_ADC1RST))
  830. #define __HAL_RCC_TIM1_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM1RST))
  831. #define __HAL_RCC_SPI1_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_SPI1RST))
  832. #define __HAL_RCC_USART1_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_USART1RST))
  833. #define __HAL_RCC_TIM16_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM16RST))
  834. #define __HAL_RCC_TIM17_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM17RST))
  835. #define __HAL_RCC_DBGMCU_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_DBGMCURST))
  836. #define __HAL_RCC_APB2_RELEASE_RESET() (RCC->APB2RSTR = 0x00000000U)
  837. #define __HAL_RCC_SYSCFG_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SYSCFGRST))
  838. #define __HAL_RCC_ADC1_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_ADC1RST))
  839. #define __HAL_RCC_TIM1_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM1RST))
  840. #define __HAL_RCC_SPI1_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SPI1RST))
  841. #define __HAL_RCC_USART1_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_USART1RST))
  842. #define __HAL_RCC_TIM16_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM16RST))
  843. #define __HAL_RCC_TIM17_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM17RST))
  844. #define __HAL_RCC_DBGMCU_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_DBGMCURST))
  845. /**
  846. * @}
  847. */
  848. /** @defgroup RCC_HSI_Configuration HSI Configuration
  849. * @{
  850. */
  851. /** @brief Macros to enable or disable the Internal High Speed oscillator (HSI).
  852. * @note The HSI is stopped by hardware when entering STOP and STANDBY modes.
  853. * @note HSI can not be stopped if it is used as system clock source. In this case,
  854. * you have to select another source of the system clock then stop the HSI.
  855. * @note After enabling the HSI, the application software should wait on HSIRDY
  856. * flag to be set indicating that HSI clock is stable and can be used as
  857. * system clock source.
  858. * @note When the HSI is stopped, HSIRDY flag goes low after 6 HSI oscillator
  859. * clock cycles.
  860. */
  861. #define __HAL_RCC_HSI_ENABLE() SET_BIT(RCC->CR, RCC_CR_HSION)
  862. #define __HAL_RCC_HSI_DISABLE() CLEAR_BIT(RCC->CR, RCC_CR_HSION)
  863. /** @brief Macro to adjust the Internal High Speed oscillator (HSI) calibration value.
  864. * @note The calibration is used to compensate for the variations in voltage
  865. * and temperature that influence the frequency of the internal HSI RC.
  866. * @param _HSICALIBRATIONVALUE_ specifies the calibration trimming value.
  867. * (default is RCC_HSICALIBRATION_DEFAULT).
  868. * This parameter must be a number between 0 and 0x1F.
  869. */
  870. #define __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(_HSICALIBRATIONVALUE_) \
  871. MODIFY_REG(RCC->CR, RCC_CR_HSITRIM, (uint32_t)(_HSICALIBRATIONVALUE_) << RCC_CR_HSITRIM_BitNumber)
  872. /**
  873. * @}
  874. */
  875. /** @defgroup RCC_LSI_Configuration LSI Configuration
  876. * @{
  877. */
  878. /** @brief Macro to enable the Internal Low Speed oscillator (LSI).
  879. * @note After enabling the LSI, the application software should wait on
  880. * LSIRDY flag to be set indicating that LSI clock is stable and can
  881. * be used to clock the IWDG and/or the RTC.
  882. */
  883. #define __HAL_RCC_LSI_ENABLE() SET_BIT(RCC->CSR, RCC_CSR_LSION)
  884. /** @brief Macro to disable the Internal Low Speed oscillator (LSI).
  885. * @note LSI can not be disabled if the IWDG is running.
  886. * @note When the LSI is stopped, LSIRDY flag goes low after 6 LSI oscillator
  887. * clock cycles.
  888. */
  889. #define __HAL_RCC_LSI_DISABLE() CLEAR_BIT(RCC->CSR, RCC_CSR_LSION)
  890. /**
  891. * @}
  892. */
  893. /** @defgroup RCC_HSE_Configuration HSE Configuration
  894. * @{
  895. */
  896. /**
  897. * @brief Macro to configure the External High Speed oscillator (HSE).
  898. * @note Transition HSE Bypass to HSE On and HSE On to HSE Bypass are not
  899. * supported by this macro. User should request a transition to HSE Off
  900. * first and then HSE On or HSE Bypass.
  901. * @note After enabling the HSE (RCC_HSE_ON or RCC_HSE_Bypass), the application
  902. * software should wait on HSERDY flag to be set indicating that HSE clock
  903. * is stable and can be used to clock the PLL and/or system clock.
  904. * @note HSE state can not be changed if it is used directly or through the
  905. * PLL as system clock. In this case, you have to select another source
  906. * of the system clock then change the HSE state (ex. disable it).
  907. * @note The HSE is stopped by hardware when entering STOP and STANDBY modes.
  908. * @note This function reset the CSSON bit, so if the clock security system(CSS)
  909. * was previously enabled you have to enable it again after calling this
  910. * function.
  911. * @param __STATE__ specifies the new state of the HSE.
  912. * This parameter can be one of the following values:
  913. * @arg @ref RCC_HSE_OFF turn OFF the HSE oscillator, HSERDY flag goes low after
  914. * 6 HSE oscillator clock cycles.
  915. * @arg @ref RCC_HSE_ON turn ON the HSE oscillator
  916. * @arg @ref RCC_HSE_BYPASS HSE oscillator bypassed with external clock
  917. */
  918. #define __HAL_RCC_HSE_CONFIG(__STATE__) \
  919. do{ \
  920. if ((__STATE__) == RCC_HSE_ON) \
  921. { \
  922. SET_BIT(RCC->CR, RCC_CR_HSEON); \
  923. } \
  924. else if ((__STATE__) == RCC_HSE_OFF) \
  925. { \
  926. CLEAR_BIT(RCC->CR, RCC_CR_HSEON); \
  927. CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP); \
  928. } \
  929. else if ((__STATE__) == RCC_HSE_BYPASS) \
  930. { \
  931. SET_BIT(RCC->CR, RCC_CR_HSEBYP); \
  932. SET_BIT(RCC->CR, RCC_CR_HSEON); \
  933. } \
  934. else \
  935. { \
  936. CLEAR_BIT(RCC->CR, RCC_CR_HSEON); \
  937. CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP); \
  938. } \
  939. }while(0U)
  940. /**
  941. * @brief Macro to configure the External High Speed oscillator (HSE) Predivision factor for PLL.
  942. * @note Predivision factor can not be changed if PLL is used as system clock
  943. * In this case, you have to select another source of the system clock, disable the PLL and
  944. * then change the HSE predivision factor.
  945. * @param __HSE_PREDIV_VALUE__ specifies the division value applied to HSE.
  946. * This parameter must be a number between RCC_HSE_PREDIV_DIV1 and RCC_HSE_PREDIV_DIV16.
  947. */
  948. #define __HAL_RCC_HSE_PREDIV_CONFIG(__HSE_PREDIV_VALUE__) \
  949. MODIFY_REG(RCC->CFGR2, RCC_CFGR2_PREDIV, (uint32_t)(__HSE_PREDIV_VALUE__))
  950. /**
  951. * @}
  952. */
  953. /** @defgroup RCC_LSE_Configuration LSE Configuration
  954. * @{
  955. */
  956. /**
  957. * @brief Macro to configure the External Low Speed oscillator (LSE).
  958. * @note Transitions LSE Bypass to LSE On and LSE On to LSE Bypass are not supported by this macro.
  959. * @note As the LSE is in the Backup domain and write access is denied to
  960. * this domain after reset, you have to enable write access using
  961. * @ref HAL_PWR_EnableBkUpAccess() function before to configure the LSE
  962. * (to be done once after reset).
  963. * @note After enabling the LSE (RCC_LSE_ON or RCC_LSE_BYPASS), the application
  964. * software should wait on LSERDY flag to be set indicating that LSE clock
  965. * is stable and can be used to clock the RTC.
  966. * @param __STATE__ specifies the new state of the LSE.
  967. * This parameter can be one of the following values:
  968. * @arg @ref RCC_LSE_OFF turn OFF the LSE oscillator, LSERDY flag goes low after
  969. * 6 LSE oscillator clock cycles.
  970. * @arg @ref RCC_LSE_ON turn ON the LSE oscillator.
  971. * @arg @ref RCC_LSE_BYPASS LSE oscillator bypassed with external clock.
  972. */
  973. #define __HAL_RCC_LSE_CONFIG(__STATE__) \
  974. do{ \
  975. if ((__STATE__) == RCC_LSE_ON) \
  976. { \
  977. SET_BIT(RCC->BDCR, RCC_BDCR_LSEON); \
  978. } \
  979. else if ((__STATE__) == RCC_LSE_OFF) \
  980. { \
  981. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON); \
  982. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP); \
  983. } \
  984. else if ((__STATE__) == RCC_LSE_BYPASS) \
  985. { \
  986. SET_BIT(RCC->BDCR, RCC_BDCR_LSEBYP); \
  987. SET_BIT(RCC->BDCR, RCC_BDCR_LSEON); \
  988. } \
  989. else \
  990. { \
  991. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON); \
  992. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP); \
  993. } \
  994. }while(0U)
  995. /**
  996. * @}
  997. */
  998. /** @defgroup RCC_HSI14_Configuration RCC_HSI14_Configuration
  999. * @{
  1000. */
  1001. /** @brief Macro to enable the Internal 14Mhz High Speed oscillator (HSI14).
  1002. * @note After enabling the HSI14 with @ref __HAL_RCC_HSI14_ENABLE(), the application software
  1003. * should wait on HSI14RDY flag to be set indicating that HSI clock is stable and can be
  1004. * used as system clock source. This is not necessary if @ref HAL_RCC_OscConfig() is used.
  1005. * clock cycles.
  1006. */
  1007. #define __HAL_RCC_HSI14_ENABLE() SET_BIT(RCC->CR2, RCC_CR2_HSI14ON)
  1008. /** @brief Macro to disable the Internal 14Mhz High Speed oscillator (HSI14).
  1009. * @note The HSI14 is stopped by hardware when entering STOP and STANDBY modes.
  1010. * @note HSI14 can not be stopped if it is used as system clock source. In this case,
  1011. * you have to select another source of the system clock then stop the HSI14.
  1012. * @note When the HSI14 is stopped, HSI14RDY flag goes low after 6 HSI14 oscillator
  1013. * clock cycles.
  1014. */
  1015. #define __HAL_RCC_HSI14_DISABLE() CLEAR_BIT(RCC->CR2, RCC_CR2_HSI14ON)
  1016. /** @brief Macro to enable the Internal 14Mhz High Speed oscillator (HSI14) used by ADC.
  1017. */
  1018. #define __HAL_RCC_HSI14ADC_ENABLE() CLEAR_BIT(RCC->CR2, RCC_CR2_HSI14DIS)
  1019. /** @brief Macro to disable the Internal 14Mhz High Speed oscillator (HSI14) used by ADC.
  1020. */
  1021. #define __HAL_RCC_HSI14ADC_DISABLE() SET_BIT(RCC->CR2, RCC_CR2_HSI14DIS)
  1022. /** @brief Macro to adjust the Internal 14Mhz High Speed oscillator (HSI) calibration value.
  1023. * @note The calibration is used to compensate for the variations in voltage
  1024. * and temperature that influence the frequency of the internal HSI14 RC.
  1025. * @param __HSI14CALIBRATIONVALUE__ specifies the calibration trimming value
  1026. * (default is RCC_HSI14CALIBRATION_DEFAULT).
  1027. * This parameter must be a number between 0 and 0x1F.
  1028. */
  1029. #define __HAL_RCC_HSI14_CALIBRATIONVALUE_ADJUST(__HSI14CALIBRATIONVALUE__) \
  1030. MODIFY_REG(RCC->CR2, RCC_CR2_HSI14TRIM, (uint32_t)(__HSI14CALIBRATIONVALUE__) << RCC_HSI14TRIM_BIT_NUMBER)
  1031. /**
  1032. * @}
  1033. */
  1034. /** @defgroup RCC_USARTx_Clock_Config RCC USARTx Clock Config
  1035. * @{
  1036. */
  1037. /** @brief Macro to configure the USART1 clock (USART1CLK).
  1038. * @param __USART1CLKSOURCE__ specifies the USART1 clock source.
  1039. * This parameter can be one of the following values:
  1040. * @arg @ref RCC_USART1CLKSOURCE_PCLK1 PCLK1 selected as USART1 clock
  1041. * @arg @ref RCC_USART1CLKSOURCE_HSI HSI selected as USART1 clock
  1042. * @arg @ref RCC_USART1CLKSOURCE_SYSCLK System Clock selected as USART1 clock
  1043. * @arg @ref RCC_USART1CLKSOURCE_LSE LSE selected as USART1 clock
  1044. */
  1045. #define __HAL_RCC_USART1_CONFIG(__USART1CLKSOURCE__) \
  1046. MODIFY_REG(RCC->CFGR3, RCC_CFGR3_USART1SW, (uint32_t)(__USART1CLKSOURCE__))
  1047. /** @brief Macro to get the USART1 clock source.
  1048. * @retval The clock source can be one of the following values:
  1049. * @arg @ref RCC_USART1CLKSOURCE_PCLK1 PCLK1 selected as USART1 clock
  1050. * @arg @ref RCC_USART1CLKSOURCE_HSI HSI selected as USART1 clock
  1051. * @arg @ref RCC_USART1CLKSOURCE_SYSCLK System Clock selected as USART1 clock
  1052. * @arg @ref RCC_USART1CLKSOURCE_LSE LSE selected as USART1 clock
  1053. */
  1054. #define __HAL_RCC_GET_USART1_SOURCE() ((uint32_t)(READ_BIT(RCC->CFGR3, RCC_CFGR3_USART1SW)))
  1055. /**
  1056. * @}
  1057. */
  1058. /** @defgroup RCC_I2Cx_Clock_Config RCC I2Cx Clock Config
  1059. * @{
  1060. */
  1061. /** @brief Macro to configure the I2C1 clock (I2C1CLK).
  1062. * @param __I2C1CLKSOURCE__ specifies the I2C1 clock source.
  1063. * This parameter can be one of the following values:
  1064. * @arg @ref RCC_I2C1CLKSOURCE_HSI HSI selected as I2C1 clock
  1065. * @arg @ref RCC_I2C1CLKSOURCE_SYSCLK System Clock selected as I2C1 clock
  1066. */
  1067. #define __HAL_RCC_I2C1_CONFIG(__I2C1CLKSOURCE__) \
  1068. MODIFY_REG(RCC->CFGR3, RCC_CFGR3_I2C1SW, (uint32_t)(__I2C1CLKSOURCE__))
  1069. /** @brief Macro to get the I2C1 clock source.
  1070. * @retval The clock source can be one of the following values:
  1071. * @arg @ref RCC_I2C1CLKSOURCE_HSI HSI selected as I2C1 clock
  1072. * @arg @ref RCC_I2C1CLKSOURCE_SYSCLK System Clock selected as I2C1 clock
  1073. */
  1074. #define __HAL_RCC_GET_I2C1_SOURCE() ((uint32_t)(READ_BIT(RCC->CFGR3, RCC_CFGR3_I2C1SW)))
  1075. /**
  1076. * @}
  1077. */
  1078. /** @defgroup RCC_PLL_Configuration PLL Configuration
  1079. * @{
  1080. */
  1081. /** @brief Macro to enable the main PLL.
  1082. * @note After enabling the main PLL, the application software should wait on
  1083. * PLLRDY flag to be set indicating that PLL clock is stable and can
  1084. * be used as system clock source.
  1085. * @note The main PLL is disabled by hardware when entering STOP and STANDBY modes.
  1086. */
  1087. #define __HAL_RCC_PLL_ENABLE() SET_BIT(RCC->CR, RCC_CR_PLLON)
  1088. /** @brief Macro to disable the main PLL.
  1089. * @note The main PLL can not be disabled if it is used as system clock source
  1090. */
  1091. #define __HAL_RCC_PLL_DISABLE() CLEAR_BIT(RCC->CR, RCC_CR_PLLON)
  1092. /** @brief Macro to configure the PLL clock source, multiplication and division factors.
  1093. * @note This function must be used only when the main PLL is disabled.
  1094. *
  1095. * @param __RCC_PLLSOURCE__ specifies the PLL entry clock source.
  1096. * This parameter can be one of the following values:
  1097. * @arg @ref RCC_PLLSOURCE_HSI HSI oscillator clock selected as PLL clock entry
  1098. * @arg @ref RCC_PLLSOURCE_HSE HSE oscillator clock selected as PLL clock entry
  1099. * @param __PLLMUL__ specifies the multiplication factor for PLL VCO output clock
  1100. * This parameter can be one of the following values:
  1101. * This parameter must be a number between RCC_PLL_MUL2 and RCC_PLL_MUL16.
  1102. * @param __PREDIV__ specifies the predivider factor for PLL VCO input clock
  1103. * This parameter must be a number between RCC_PREDIV_DIV1 and RCC_PREDIV_DIV16.
  1104. *
  1105. */
  1106. #define __HAL_RCC_PLL_CONFIG(__RCC_PLLSOURCE__ , __PREDIV__, __PLLMUL__) \
  1107. do { \
  1108. MODIFY_REG(RCC->CFGR2, RCC_CFGR2_PREDIV, (__PREDIV__)); \
  1109. MODIFY_REG(RCC->CFGR, RCC_CFGR_PLLMUL | RCC_CFGR_PLLSRC, (uint32_t)((__PLLMUL__)|(__RCC_PLLSOURCE__))); \
  1110. } while(0U)
  1111. /** @brief Get oscillator clock selected as PLL input clock
  1112. * @retval The clock source used for PLL entry. The returned value can be one
  1113. * of the following:
  1114. * @arg @ref RCC_PLLSOURCE_HSE HSE oscillator clock selected as PLL input clock
  1115. */
  1116. #define __HAL_RCC_GET_PLL_OSCSOURCE() ((uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLSRC)))
  1117. /**
  1118. * @}
  1119. */
  1120. /** @defgroup RCC_Get_Clock_source Get Clock source
  1121. * @{
  1122. */
  1123. /**
  1124. * @brief Macro to configure the system clock source.
  1125. * @param __SYSCLKSOURCE__ specifies the system clock source.
  1126. * This parameter can be one of the following values:
  1127. * @arg @ref RCC_SYSCLKSOURCE_HSI HSI oscillator is used as system clock source.
  1128. * @arg @ref RCC_SYSCLKSOURCE_HSE HSE oscillator is used as system clock source.
  1129. * @arg @ref RCC_SYSCLKSOURCE_PLLCLK PLL output is used as system clock source.
  1130. */
  1131. #define __HAL_RCC_SYSCLK_CONFIG(__SYSCLKSOURCE__) \
  1132. MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, (__SYSCLKSOURCE__))
  1133. /** @brief Macro to get the clock source used as system clock.
  1134. * @retval The clock source used as system clock. The returned value can be one
  1135. * of the following:
  1136. * @arg @ref RCC_SYSCLKSOURCE_STATUS_HSI HSI used as system clock
  1137. * @arg @ref RCC_SYSCLKSOURCE_STATUS_HSE HSE used as system clock
  1138. * @arg @ref RCC_SYSCLKSOURCE_STATUS_PLLCLK PLL used as system clock
  1139. */
  1140. #define __HAL_RCC_GET_SYSCLK_SOURCE() ((uint32_t)(RCC->CFGR & RCC_CFGR_SWS))
  1141. /**
  1142. * @}
  1143. */
  1144. /** @defgroup RCCEx_MCOx_Clock_Config RCC Extended MCOx Clock Config
  1145. * @{
  1146. */
  1147. #if defined(RCC_CFGR_MCOPRE)
  1148. /** @brief Macro to configure the MCO clock.
  1149. * @param __MCOCLKSOURCE__ specifies the MCO clock source.
  1150. * This parameter can be one of the following values:
  1151. * @arg @ref RCC_MCO1SOURCE_NOCLOCK No clock selected as MCO clock
  1152. * @arg @ref RCC_MCO1SOURCE_SYSCLK System Clock selected as MCO clock
  1153. * @arg @ref RCC_MCO1SOURCE_HSI HSI oscillator clock selected as MCO clock
  1154. * @arg @ref RCC_MCO1SOURCE_HSE HSE selected as MCO clock
  1155. * @arg @ref RCC_MCO1SOURCE_LSI LSI selected as MCO clock
  1156. * @arg @ref RCC_MCO1SOURCE_LSE LSE selected as MCO clock
  1157. * @arg @ref RCC_MCO1SOURCE_HSI14 HSI14 selected as MCO clock
  1158. @if STM32F042x6
  1159. * @arg @ref RCC_MCO1SOURCE_HSI48 HSI48 selected as MCO clock
  1160. * @arg @ref RCC_MCO1SOURCE_PLLCLK PLLCLK selected as MCO clock
  1161. @elseif STM32F048xx
  1162. * @arg @ref RCC_MCO1SOURCE_HSI48 HSI48 selected as MCO clock
  1163. * @arg @ref RCC_MCO1SOURCE_PLLCLK PLLCLK selected as MCO clock
  1164. @elseif STM32F071xB
  1165. * @arg @ref RCC_MCO1SOURCE_HSI48 HSI48 selected as MCO clock
  1166. * @arg @ref RCC_MCO1SOURCE_PLLCLK PLLCLK selected as MCO clock
  1167. @elseif STM32F072xB
  1168. * @arg @ref RCC_MCO1SOURCE_HSI48 HSI48 selected as MCO clock
  1169. * @arg @ref RCC_MCO1SOURCE_PLLCLK PLLCLK selected as MCO clock
  1170. @elseif STM32F078xx
  1171. * @arg @ref RCC_MCO1SOURCE_HSI48 HSI48 selected as MCO clock
  1172. * @arg @ref RCC_MCO1SOURCE_PLLCLK PLLCLK selected as MCO clock
  1173. @elseif STM32F091xC
  1174. * @arg @ref RCC_MCO1SOURCE_HSI48 HSI48 selected as MCO clock
  1175. * @arg @ref RCC_MCO1SOURCE_PLLCLK PLLCLK selected as MCO clock
  1176. @elseif STM32F098xx
  1177. * @arg @ref RCC_MCO1SOURCE_HSI48 HSI48 selected as MCO clock
  1178. * @arg @ref RCC_MCO1SOURCE_PLLCLK PLLCLK selected as MCO clock
  1179. @elseif STM32F030x6
  1180. * @arg @ref RCC_MCO1SOURCE_PLLCLK PLLCLK selected as MCO clock
  1181. @elseif STM32F030xC
  1182. * @arg @ref RCC_MCO1SOURCE_PLLCLK PLLCLK selected as MCO clock
  1183. @elseif STM32F031x6
  1184. * @arg @ref RCC_MCO1SOURCE_PLLCLK PLLCLK selected as MCO clock
  1185. @elseif STM32F038xx
  1186. * @arg @ref RCC_MCO1SOURCE_PLLCLK PLLCLK selected as MCO clock
  1187. @elseif STM32F070x6
  1188. * @arg @ref RCC_MCO1SOURCE_PLLCLK PLLCLK selected as MCO clock
  1189. @elseif STM32F070xB
  1190. * @arg @ref RCC_MCO1SOURCE_PLLCLK PLLCLK selected as MCO clock
  1191. @endif
  1192. * @arg @ref RCC_MCO1SOURCE_PLLCLK_DIV2 PLLCLK Divided by 2 selected as MCO clock
  1193. * @param __MCODIV__ specifies the MCO clock prescaler.
  1194. * This parameter can be one of the following values:
  1195. * @arg @ref RCC_MCODIV_1 MCO clock source is divided by 1
  1196. * @arg @ref RCC_MCODIV_2 MCO clock source is divided by 2
  1197. * @arg @ref RCC_MCODIV_4 MCO clock source is divided by 4
  1198. * @arg @ref RCC_MCODIV_8 MCO clock source is divided by 8
  1199. * @arg @ref RCC_MCODIV_16 MCO clock source is divided by 16
  1200. * @arg @ref RCC_MCODIV_32 MCO clock source is divided by 32
  1201. * @arg @ref RCC_MCODIV_64 MCO clock source is divided by 64
  1202. * @arg @ref RCC_MCODIV_128 MCO clock source is divided by 128
  1203. */
  1204. #else
  1205. /** @brief Macro to configure the MCO clock.
  1206. * @param __MCOCLKSOURCE__ specifies the MCO clock source.
  1207. * This parameter can be one of the following values:
  1208. * @arg @ref RCC_MCO1SOURCE_NOCLOCK No clock selected as MCO clock
  1209. * @arg @ref RCC_MCO1SOURCE_SYSCLK System Clock selected as MCO clock
  1210. * @arg @ref RCC_MCO1SOURCE_HSI HSI selected as MCO clock
  1211. * @arg @ref RCC_MCO1SOURCE_HSE HSE selected as MCO clock
  1212. * @arg @ref RCC_MCO1SOURCE_LSI LSI selected as MCO clock
  1213. * @arg @ref RCC_MCO1SOURCE_LSE LSE selected as MCO clock
  1214. * @arg @ref RCC_MCO1SOURCE_HSI14 HSI14 selected as MCO clock
  1215. * @arg @ref RCC_MCO1SOURCE_PLLCLK_DIV2 PLLCLK Divided by 2 selected as MCO clock
  1216. * @param __MCODIV__ specifies the MCO clock prescaler.
  1217. * This parameter can be one of the following values:
  1218. * @arg @ref RCC_MCODIV_1 No division applied on MCO clock source
  1219. */
  1220. #endif
  1221. #if defined(RCC_CFGR_MCOPRE)
  1222. #define __HAL_RCC_MCO1_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \
  1223. MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO | RCC_CFGR_MCOPRE), ((__MCOCLKSOURCE__) | (__MCODIV__)))
  1224. #else
  1225. #define __HAL_RCC_MCO1_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \
  1226. MODIFY_REG(RCC->CFGR, RCC_CFGR_MCO, (__MCOCLKSOURCE__))
  1227. #endif
  1228. /**
  1229. * @}
  1230. */
  1231. /** @defgroup RCC_RTC_Clock_Configuration RCC RTC Clock Configuration
  1232. * @{
  1233. */
  1234. /** @brief Macro to configure the RTC clock (RTCCLK).
  1235. * @note As the RTC clock configuration bits are in the Backup domain and write
  1236. * access is denied to this domain after reset, you have to enable write
  1237. * access using the Power Backup Access macro before to configure
  1238. * the RTC clock source (to be done once after reset).
  1239. * @note Once the RTC clock is configured it cannot be changed unless the
  1240. * Backup domain is reset using @ref __HAL_RCC_BACKUPRESET_FORCE() macro, or by
  1241. * a Power On Reset (POR).
  1242. *
  1243. * @param __RTC_CLKSOURCE__ specifies the RTC clock source.
  1244. * This parameter can be one of the following values:
  1245. * @arg @ref RCC_RTCCLKSOURCE_NO_CLK No clock selected as RTC clock
  1246. * @arg @ref RCC_RTCCLKSOURCE_LSE LSE selected as RTC clock
  1247. * @arg @ref RCC_RTCCLKSOURCE_LSI LSI selected as RTC clock
  1248. * @arg @ref RCC_RTCCLKSOURCE_HSE_DIV32 HSE clock divided by 32
  1249. * @note If the LSE or LSI is used as RTC clock source, the RTC continues to
  1250. * work in STOP and STANDBY modes, and can be used as wakeup source.
  1251. * However, when the LSI clock and HSE clock divided by 32 is used as RTC clock source,
  1252. * the RTC cannot be used in STOP and STANDBY modes.
  1253. * @note The system must always be configured so as to get a PCLK frequency greater than or
  1254. * equal to the RTCCLK frequency for a proper operation of the RTC.
  1255. */
  1256. #define __HAL_RCC_RTC_CONFIG(__RTC_CLKSOURCE__) MODIFY_REG(RCC->BDCR, RCC_BDCR_RTCSEL, (__RTC_CLKSOURCE__))
  1257. /** @brief Macro to get the RTC clock source.
  1258. * @retval The clock source can be one of the following values:
  1259. * @arg @ref RCC_RTCCLKSOURCE_NO_CLK No clock selected as RTC clock
  1260. * @arg @ref RCC_RTCCLKSOURCE_LSE LSE selected as RTC clock
  1261. * @arg @ref RCC_RTCCLKSOURCE_LSI LSI selected as RTC clock
  1262. * @arg @ref RCC_RTCCLKSOURCE_HSE_DIV32 HSE clock divided by 32
  1263. */
  1264. #define __HAL_RCC_GET_RTC_SOURCE() (READ_BIT(RCC->BDCR, RCC_BDCR_RTCSEL))
  1265. /** @brief Macro to enable the the RTC clock.
  1266. * @note These macros must be used only after the RTC clock source was selected.
  1267. */
  1268. #define __HAL_RCC_RTC_ENABLE() SET_BIT(RCC->BDCR, RCC_BDCR_RTCEN)
  1269. /** @brief Macro to disable the the RTC clock.
  1270. * @note These macros must be used only after the RTC clock source was selected.
  1271. */
  1272. #define __HAL_RCC_RTC_DISABLE() CLEAR_BIT(RCC->BDCR, RCC_BDCR_RTCEN)
  1273. /** @brief Macro to force the Backup domain reset.
  1274. * @note This function resets the RTC peripheral (including the backup registers)
  1275. * and the RTC clock source selection in RCC_BDCR register.
  1276. */
  1277. #define __HAL_RCC_BACKUPRESET_FORCE() SET_BIT(RCC->BDCR, RCC_BDCR_BDRST)
  1278. /** @brief Macros to release the Backup domain reset.
  1279. */
  1280. #define __HAL_RCC_BACKUPRESET_RELEASE() CLEAR_BIT(RCC->BDCR, RCC_BDCR_BDRST)
  1281. /**
  1282. * @}
  1283. */
  1284. /** @defgroup RCC_Flags_Interrupts_Management Flags Interrupts Management
  1285. * @brief macros to manage the specified RCC Flags and interrupts.
  1286. * @{
  1287. */
  1288. /** @brief Enable RCC interrupt.
  1289. * @param __INTERRUPT__ specifies the RCC interrupt sources to be enabled.
  1290. * This parameter can be any combination of the following values:
  1291. * @arg @ref RCC_IT_LSIRDY LSI ready interrupt
  1292. * @arg @ref RCC_IT_LSERDY LSE ready interrupt
  1293. * @arg @ref RCC_IT_HSIRDY HSI ready interrupt
  1294. * @arg @ref RCC_IT_HSERDY HSE ready interrupt
  1295. * @arg @ref RCC_IT_PLLRDY main PLL ready interrupt
  1296. * @arg @ref RCC_IT_HSI14RDY HSI14 ready interrupt
  1297. @if STM32F042x6
  1298. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1299. @elseif STM32F048xx
  1300. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1301. @elseif STM32F071xB
  1302. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1303. @elseif STM32F072xB
  1304. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1305. @elseif STM32F078xx
  1306. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1307. @elseif STM32F091xC
  1308. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1309. @elseif STM32F098xx
  1310. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1311. @endif
  1312. */
  1313. #define __HAL_RCC_ENABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS |= (__INTERRUPT__))
  1314. /** @brief Disable RCC interrupt.
  1315. * @param __INTERRUPT__ specifies the RCC interrupt sources to be disabled.
  1316. * This parameter can be any combination of the following values:
  1317. * @arg @ref RCC_IT_LSIRDY LSI ready interrupt
  1318. * @arg @ref RCC_IT_LSERDY LSE ready interrupt
  1319. * @arg @ref RCC_IT_HSIRDY HSI ready interrupt
  1320. * @arg @ref RCC_IT_HSERDY HSE ready interrupt
  1321. * @arg @ref RCC_IT_PLLRDY main PLL ready interrupt
  1322. * @arg @ref RCC_IT_HSI14RDY HSI14 ready interrupt
  1323. @if STM32F042x6
  1324. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1325. @elseif STM32F048xx
  1326. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1327. @elseif STM32F071xB
  1328. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1329. @elseif STM32F072xB
  1330. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1331. @elseif STM32F078xx
  1332. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1333. @elseif STM32F091xC
  1334. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1335. @elseif STM32F098xx
  1336. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1337. @endif
  1338. */
  1339. #define __HAL_RCC_DISABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS &= (uint8_t)(~(__INTERRUPT__)))
  1340. /** @brief Clear the RCC's interrupt pending bits.
  1341. * @param __INTERRUPT__ specifies the interrupt pending bit to clear.
  1342. * This parameter can be any combination of the following values:
  1343. * @arg @ref RCC_IT_LSIRDY LSI ready interrupt.
  1344. * @arg @ref RCC_IT_LSERDY LSE ready interrupt.
  1345. * @arg @ref RCC_IT_HSIRDY HSI ready interrupt.
  1346. * @arg @ref RCC_IT_HSERDY HSE ready interrupt.
  1347. * @arg @ref RCC_IT_PLLRDY Main PLL ready interrupt.
  1348. * @arg @ref RCC_IT_CSS Clock Security System interrupt
  1349. * @arg @ref RCC_IT_HSI14RDY HSI14 ready interrupt
  1350. @if STM32F042x6
  1351. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1352. @elseif STM32F048xx
  1353. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1354. @elseif STM32F071xB
  1355. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1356. @elseif STM32F072xB
  1357. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1358. @elseif STM32F078xx
  1359. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1360. @elseif STM32F091xC
  1361. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1362. @elseif STM32F098xx
  1363. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1364. @endif
  1365. */
  1366. #define __HAL_RCC_CLEAR_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE2_ADDRESS = (__INTERRUPT__))
  1367. /** @brief Check the RCC's interrupt has occurred or not.
  1368. * @param __INTERRUPT__ specifies the RCC interrupt source to check.
  1369. * This parameter can be one of the following values:
  1370. * @arg @ref RCC_IT_LSIRDY LSI ready interrupt.
  1371. * @arg @ref RCC_IT_LSERDY LSE ready interrupt.
  1372. * @arg @ref RCC_IT_HSIRDY HSI ready interrupt.
  1373. * @arg @ref RCC_IT_HSERDY HSE ready interrupt.
  1374. * @arg @ref RCC_IT_PLLRDY Main PLL ready interrupt.
  1375. * @arg @ref RCC_IT_CSS Clock Security System interrupt
  1376. * @arg @ref RCC_IT_HSI14RDY HSI14 ready interrupt enable
  1377. @if STM32F042x6
  1378. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1379. @elseif STM32F048xx
  1380. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1381. @elseif STM32F071xB
  1382. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1383. @elseif STM32F072xB
  1384. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1385. @elseif STM32F078xx
  1386. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1387. @elseif STM32F091xC
  1388. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1389. @elseif STM32F098xx
  1390. * @arg @ref RCC_IT_HSI48RDY HSI48 ready interrupt
  1391. @endif
  1392. * @retval The new state of __INTERRUPT__ (TRUE or FALSE).
  1393. */
  1394. #define __HAL_RCC_GET_IT(__INTERRUPT__) ((RCC->CIR & (__INTERRUPT__)) == (__INTERRUPT__))
  1395. /** @brief Set RMVF bit to clear the reset flags.
  1396. * The reset flags are RCC_FLAG_PINRST, RCC_FLAG_PORRST, RCC_FLAG_SFTRST,
  1397. * RCC_FLAG_OBLRST, RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST, RCC_FLAG_LPWRRST
  1398. */
  1399. #define __HAL_RCC_CLEAR_RESET_FLAGS() (RCC->CSR |= RCC_CSR_RMVF)
  1400. /** @brief Check RCC flag is set or not.
  1401. * @param __FLAG__ specifies the flag to check.
  1402. * This parameter can be one of the following values:
  1403. * @arg @ref RCC_FLAG_HSIRDY HSI oscillator clock ready.
  1404. * @arg @ref RCC_FLAG_HSERDY HSE oscillator clock ready.
  1405. * @arg @ref RCC_FLAG_PLLRDY Main PLL clock ready.
  1406. * @arg @ref RCC_FLAG_HSI14RDY HSI14 oscillator clock ready
  1407. @if STM32F038xx
  1408. * @arg @ref RCC_FLAG_V18PWRRST Reset flag of the 1.8 V domain
  1409. @elseif STM32F042x6
  1410. * @arg @ref RCC_FLAG_HSI48RDY HSI48 oscillator clock ready
  1411. @elseif STM32F048xx
  1412. * @arg @ref RCC_FLAG_HSI48RDY HSI48 oscillator clock ready
  1413. * @arg @ref RCC_FLAG_V18PWRRST Reset flag of the 1.8 V domain
  1414. @elseif STM32F058xx
  1415. * @arg @ref RCC_FLAG_V18PWRRST Reset flag of the 1.8 V domain
  1416. @elseif STM32F071xB
  1417. * @arg @ref RCC_FLAG_HSI48RDY HSI48 oscillator clock ready
  1418. @elseif STM32F072xB
  1419. * @arg @ref RCC_FLAG_HSI48RDY HSI48 oscillator clock ready
  1420. @elseif STM32F078xx
  1421. * @arg @ref RCC_FLAG_HSI48RDY HSI48 oscillator clock ready
  1422. * @arg @ref RCC_FLAG_V18PWRRST Reset flag of the 1.8 V domain
  1423. @elseif STM32F091xC
  1424. * @arg @ref RCC_FLAG_HSI48RDY HSI48 oscillator clock ready
  1425. @elseif STM32F098xx
  1426. * @arg @ref RCC_FLAG_HSI48RDY HSI48 oscillator clock ready
  1427. * @arg @ref RCC_FLAG_V18PWRRST Reset flag of the 1.8 V domain
  1428. @endif
  1429. * @arg @ref RCC_FLAG_LSERDY LSE oscillator clock ready.
  1430. * @arg @ref RCC_FLAG_LSIRDY LSI oscillator clock ready.
  1431. * @arg @ref RCC_FLAG_OBLRST Option Byte Load reset
  1432. * @arg @ref RCC_FLAG_PINRST Pin reset.
  1433. * @arg @ref RCC_FLAG_PORRST POR/PDR reset.
  1434. * @arg @ref RCC_FLAG_SFTRST Software reset.
  1435. * @arg @ref RCC_FLAG_IWDGRST Independent Watchdog reset.
  1436. * @arg @ref RCC_FLAG_WWDGRST Window Watchdog reset.
  1437. * @arg @ref RCC_FLAG_LPWRRST Low Power reset.
  1438. * @retval The new state of __FLAG__ (TRUE or FALSE).
  1439. */
  1440. #define __HAL_RCC_GET_FLAG(__FLAG__) (((((__FLAG__) >> 5U) == CR_REG_INDEX)? RCC->CR : \
  1441. (((__FLAG__) >> 5U) == CR2_REG_INDEX)? RCC->CR2 : \
  1442. (((__FLAG__) >> 5U) == BDCR_REG_INDEX) ? RCC->BDCR : \
  1443. RCC->CSR) & (1U << ((__FLAG__) & RCC_FLAG_MASK)))
  1444. /**
  1445. * @}
  1446. */
  1447. /**
  1448. * @}
  1449. */
  1450. /* Include RCC HAL Extension module */
  1451. #include "stm32f0xx_hal_rcc_ex.h"
  1452. /* Exported functions --------------------------------------------------------*/
  1453. /** @addtogroup RCC_Exported_Functions
  1454. * @{
  1455. */
  1456. /** @addtogroup RCC_Exported_Functions_Group1
  1457. * @{
  1458. */
  1459. /* Initialization and de-initialization functions ******************************/
  1460. HAL_StatusTypeDef HAL_RCC_DeInit(void);
  1461. HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct);
  1462. HAL_StatusTypeDef HAL_RCC_ClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t FLatency);
  1463. /**
  1464. * @}
  1465. */
  1466. /** @addtogroup RCC_Exported_Functions_Group2
  1467. * @{
  1468. */
  1469. /* Peripheral Control functions ************************************************/
  1470. void HAL_RCC_MCOConfig(uint32_t RCC_MCOx, uint32_t RCC_MCOSource, uint32_t RCC_MCODiv);
  1471. void HAL_RCC_EnableCSS(void);
  1472. /* CSS NMI IRQ handler */
  1473. void HAL_RCC_NMI_IRQHandler(void);
  1474. /* User Callbacks in non blocking mode (IT mode) */
  1475. void HAL_RCC_CSSCallback(void);
  1476. void HAL_RCC_DisableCSS(void);
  1477. uint32_t HAL_RCC_GetSysClockFreq(void);
  1478. uint32_t HAL_RCC_GetHCLKFreq(void);
  1479. uint32_t HAL_RCC_GetPCLK1Freq(void);
  1480. void HAL_RCC_GetOscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct);
  1481. void HAL_RCC_GetClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t *pFLatency);
  1482. /**
  1483. * @}
  1484. */
  1485. /**
  1486. * @}
  1487. */
  1488. /**
  1489. * @}
  1490. */
  1491. /**
  1492. * @}
  1493. */
  1494. #ifdef __cplusplus
  1495. }
  1496. #endif
  1497. #endif /* __STM32F0xx_HAL_RCC_H */