stm32f3xx_ll_rcc.h 110 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32f3xx_ll_rcc.h
  4. * @author MCD Application Team
  5. * @brief Header file of RCC LL 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 __STM32F3xx_LL_RCC_H
  19. #define __STM32F3xx_LL_RCC_H
  20. #ifdef __cplusplus
  21. extern "C" {
  22. #endif
  23. /* Includes ------------------------------------------------------------------*/
  24. #include "stm32f3xx.h"
  25. /** @addtogroup STM32F3xx_LL_Driver
  26. * @{
  27. */
  28. #if defined(RCC)
  29. /** @defgroup RCC_LL RCC
  30. * @{
  31. */
  32. /* Private types -------------------------------------------------------------*/
  33. /* Private variables ---------------------------------------------------------*/
  34. /* Private constants ---------------------------------------------------------*/
  35. /** @defgroup RCC_LL_Private_Constants RCC Private Constants
  36. * @{
  37. */
  38. /* Defines used for the bit position in the register and perform offsets*/
  39. #define RCC_POSITION_HPRE (uint32_t)POSITION_VAL(RCC_CFGR_HPRE) /*!< field position in register RCC_CFGR */
  40. #define RCC_POSITION_PPRE1 (uint32_t)POSITION_VAL(RCC_CFGR_PPRE1) /*!< field position in register RCC_CFGR */
  41. #define RCC_POSITION_PPRE2 (uint32_t)POSITION_VAL(RCC_CFGR_PPRE2) /*!< field position in register RCC_CFGR */
  42. #define RCC_POSITION_HSICAL (uint32_t)POSITION_VAL(RCC_CR_HSICAL) /*!< field position in register RCC_CR */
  43. #define RCC_POSITION_HSITRIM (uint32_t)POSITION_VAL(RCC_CR_HSITRIM) /*!< field position in register RCC_CR */
  44. #define RCC_POSITION_PLLMUL (uint32_t)POSITION_VAL(RCC_CFGR_PLLMUL) /*!< field position in register RCC_CFGR */
  45. #define RCC_POSITION_USART1SW (uint32_t)0U /*!< field position in register RCC_CFGR3 */
  46. #define RCC_POSITION_USART2SW (uint32_t)16U /*!< field position in register RCC_CFGR3 */
  47. #define RCC_POSITION_USART3SW (uint32_t)18U /*!< field position in register RCC_CFGR3 */
  48. #define RCC_POSITION_TIM1SW (uint32_t)8U /*!< field position in register RCC_CFGR3 */
  49. #define RCC_POSITION_TIM8SW (uint32_t)9U /*!< field position in register RCC_CFGR3 */
  50. #define RCC_POSITION_TIM15SW (uint32_t)10U /*!< field position in register RCC_CFGR3 */
  51. #define RCC_POSITION_TIM16SW (uint32_t)11U /*!< field position in register RCC_CFGR3 */
  52. #define RCC_POSITION_TIM17SW (uint32_t)13U /*!< field position in register RCC_CFGR3 */
  53. #define RCC_POSITION_TIM20SW (uint32_t)15U /*!< field position in register RCC_CFGR3 */
  54. #define RCC_POSITION_TIM2SW (uint32_t)24U /*!< field position in register RCC_CFGR3 */
  55. #define RCC_POSITION_TIM34SW (uint32_t)25U /*!< field position in register RCC_CFGR3 */
  56. /**
  57. * @}
  58. */
  59. /* Private macros ------------------------------------------------------------*/
  60. #if defined(USE_FULL_LL_DRIVER)
  61. /** @defgroup RCC_LL_Private_Macros RCC Private Macros
  62. * @{
  63. */
  64. /**
  65. * @}
  66. */
  67. #endif /*USE_FULL_LL_DRIVER*/
  68. /* Exported types ------------------------------------------------------------*/
  69. #if defined(USE_FULL_LL_DRIVER)
  70. /** @defgroup RCC_LL_Exported_Types RCC Exported Types
  71. * @{
  72. */
  73. /** @defgroup LL_ES_CLOCK_FREQ Clocks Frequency Structure
  74. * @{
  75. */
  76. /**
  77. * @brief RCC Clocks Frequency Structure
  78. */
  79. typedef struct
  80. {
  81. uint32_t SYSCLK_Frequency; /*!< SYSCLK clock frequency */
  82. uint32_t HCLK_Frequency; /*!< HCLK clock frequency */
  83. uint32_t PCLK1_Frequency; /*!< PCLK1 clock frequency */
  84. uint32_t PCLK2_Frequency; /*!< PCLK2 clock frequency */
  85. } LL_RCC_ClocksTypeDef;
  86. /**
  87. * @}
  88. */
  89. /**
  90. * @}
  91. */
  92. #endif /* USE_FULL_LL_DRIVER */
  93. /* Exported constants --------------------------------------------------------*/
  94. /** @defgroup RCC_LL_Exported_Constants RCC Exported Constants
  95. * @{
  96. */
  97. /** @defgroup RCC_LL_EC_OSC_VALUES Oscillator Values adaptation
  98. * @brief Defines used to adapt values of different oscillators
  99. * @note These values could be modified in the user environment according to
  100. * HW set-up.
  101. * @{
  102. */
  103. #if !defined (HSE_VALUE)
  104. #define HSE_VALUE 8000000U /*!< Value of the HSE oscillator in Hz */
  105. #endif /* HSE_VALUE */
  106. #if !defined (HSI_VALUE)
  107. #define HSI_VALUE 8000000U /*!< Value of the HSI oscillator in Hz */
  108. #endif /* HSI_VALUE */
  109. #if !defined (LSE_VALUE)
  110. #define LSE_VALUE 32768U /*!< Value of the LSE oscillator in Hz */
  111. #endif /* LSE_VALUE */
  112. #if !defined (LSI_VALUE)
  113. #define LSI_VALUE 40000U /*!< Value of the LSI oscillator in Hz */
  114. #endif /* LSI_VALUE */
  115. #if !defined (EXTERNAL_CLOCK_VALUE)
  116. #define EXTERNAL_CLOCK_VALUE 12288000U /*!< Value of the I2S_CKIN external oscillator in Hz */
  117. #endif /* EXTERNAL_CLOCK_VALUE */
  118. /**
  119. * @}
  120. */
  121. /** @defgroup RCC_LL_EC_CLEAR_FLAG Clear Flags Defines
  122. * @brief Flags defines which can be used with LL_RCC_WriteReg function
  123. * @{
  124. */
  125. #define LL_RCC_CIR_LSIRDYC RCC_CIR_LSIRDYC /*!< LSI Ready Interrupt Clear */
  126. #define LL_RCC_CIR_LSERDYC RCC_CIR_LSERDYC /*!< LSE Ready Interrupt Clear */
  127. #define LL_RCC_CIR_HSIRDYC RCC_CIR_HSIRDYC /*!< HSI Ready Interrupt Clear */
  128. #define LL_RCC_CIR_HSERDYC RCC_CIR_HSERDYC /*!< HSE Ready Interrupt Clear */
  129. #define LL_RCC_CIR_PLLRDYC RCC_CIR_PLLRDYC /*!< PLL Ready Interrupt Clear */
  130. #define LL_RCC_CIR_CSSC RCC_CIR_CSSC /*!< Clock Security System Interrupt Clear */
  131. /**
  132. * @}
  133. */
  134. /** @defgroup RCC_LL_EC_GET_FLAG Get Flags Defines
  135. * @brief Flags defines which can be used with LL_RCC_ReadReg function
  136. * @{
  137. */
  138. #define LL_RCC_CIR_LSIRDYF RCC_CIR_LSIRDYF /*!< LSI Ready Interrupt flag */
  139. #define LL_RCC_CIR_LSERDYF RCC_CIR_LSERDYF /*!< LSE Ready Interrupt flag */
  140. #define LL_RCC_CIR_HSIRDYF RCC_CIR_HSIRDYF /*!< HSI Ready Interrupt flag */
  141. #define LL_RCC_CIR_HSERDYF RCC_CIR_HSERDYF /*!< HSE Ready Interrupt flag */
  142. #define LL_RCC_CFGR_MCOF RCC_CFGR_MCOF /*!< MCO flag */
  143. #define LL_RCC_CIR_PLLRDYF RCC_CIR_PLLRDYF /*!< PLL Ready Interrupt flag */
  144. #define LL_RCC_CIR_CSSF RCC_CIR_CSSF /*!< Clock Security System Interrupt flag */
  145. #define LL_RCC_CSR_OBLRSTF RCC_CSR_OBLRSTF /*!< OBL reset flag */
  146. #define LL_RCC_CSR_PINRSTF RCC_CSR_PINRSTF /*!< PIN reset flag */
  147. #define LL_RCC_CSR_PORRSTF RCC_CSR_PORRSTF /*!< POR/PDR reset flag */
  148. #define LL_RCC_CSR_SFTRSTF RCC_CSR_SFTRSTF /*!< Software Reset flag */
  149. #define LL_RCC_CSR_IWDGRSTF RCC_CSR_IWDGRSTF /*!< Independent Watchdog reset flag */
  150. #define LL_RCC_CSR_WWDGRSTF RCC_CSR_WWDGRSTF /*!< Window watchdog reset flag */
  151. #define LL_RCC_CSR_LPWRRSTF RCC_CSR_LPWRRSTF /*!< Low-Power reset flag */
  152. #if defined(RCC_CSR_V18PWRRSTF)
  153. #define LL_RCC_CSR_V18PWRRSTF RCC_CSR_V18PWRRSTF /*!< Reset flag of the 1.8 V domain. */
  154. #endif /* RCC_CSR_V18PWRRSTF */
  155. /**
  156. * @}
  157. */
  158. /** @defgroup RCC_LL_EC_IT IT Defines
  159. * @brief IT defines which can be used with LL_RCC_ReadReg and LL_RCC_WriteReg functions
  160. * @{
  161. */
  162. #define LL_RCC_CIR_LSIRDYIE RCC_CIR_LSIRDYIE /*!< LSI Ready Interrupt Enable */
  163. #define LL_RCC_CIR_LSERDYIE RCC_CIR_LSERDYIE /*!< LSE Ready Interrupt Enable */
  164. #define LL_RCC_CIR_HSIRDYIE RCC_CIR_HSIRDYIE /*!< HSI Ready Interrupt Enable */
  165. #define LL_RCC_CIR_HSERDYIE RCC_CIR_HSERDYIE /*!< HSE Ready Interrupt Enable */
  166. #define LL_RCC_CIR_PLLRDYIE RCC_CIR_PLLRDYIE /*!< PLL Ready Interrupt Enable */
  167. /**
  168. * @}
  169. */
  170. /** @defgroup RCC_LL_EC_LSEDRIVE LSE oscillator drive capability
  171. * @{
  172. */
  173. #define LL_RCC_LSEDRIVE_LOW ((uint32_t)0x00000000U) /*!< Xtal mode lower driving capability */
  174. #define LL_RCC_LSEDRIVE_MEDIUMLOW RCC_BDCR_LSEDRV_1 /*!< Xtal mode medium low driving capability */
  175. #define LL_RCC_LSEDRIVE_MEDIUMHIGH RCC_BDCR_LSEDRV_0 /*!< Xtal mode medium high driving capability */
  176. #define LL_RCC_LSEDRIVE_HIGH RCC_BDCR_LSEDRV /*!< Xtal mode higher driving capability */
  177. /**
  178. * @}
  179. */
  180. /** @defgroup RCC_LL_EC_SYS_CLKSOURCE System clock switch
  181. * @{
  182. */
  183. #define LL_RCC_SYS_CLKSOURCE_HSI RCC_CFGR_SW_HSI /*!< HSI selection as system clock */
  184. #define LL_RCC_SYS_CLKSOURCE_HSE RCC_CFGR_SW_HSE /*!< HSE selection as system clock */
  185. #define LL_RCC_SYS_CLKSOURCE_PLL RCC_CFGR_SW_PLL /*!< PLL selection as system clock */
  186. /**
  187. * @}
  188. */
  189. /** @defgroup RCC_LL_EC_SYS_CLKSOURCE_STATUS System clock switch status
  190. * @{
  191. */
  192. #define LL_RCC_SYS_CLKSOURCE_STATUS_HSI RCC_CFGR_SWS_HSI /*!< HSI used as system clock */
  193. #define LL_RCC_SYS_CLKSOURCE_STATUS_HSE RCC_CFGR_SWS_HSE /*!< HSE used as system clock */
  194. #define LL_RCC_SYS_CLKSOURCE_STATUS_PLL RCC_CFGR_SWS_PLL /*!< PLL used as system clock */
  195. /**
  196. * @}
  197. */
  198. /** @defgroup RCC_LL_EC_SYSCLK_DIV AHB prescaler
  199. * @{
  200. */
  201. #define LL_RCC_SYSCLK_DIV_1 RCC_CFGR_HPRE_DIV1 /*!< SYSCLK not divided */
  202. #define LL_RCC_SYSCLK_DIV_2 RCC_CFGR_HPRE_DIV2 /*!< SYSCLK divided by 2 */
  203. #define LL_RCC_SYSCLK_DIV_4 RCC_CFGR_HPRE_DIV4 /*!< SYSCLK divided by 4 */
  204. #define LL_RCC_SYSCLK_DIV_8 RCC_CFGR_HPRE_DIV8 /*!< SYSCLK divided by 8 */
  205. #define LL_RCC_SYSCLK_DIV_16 RCC_CFGR_HPRE_DIV16 /*!< SYSCLK divided by 16 */
  206. #define LL_RCC_SYSCLK_DIV_64 RCC_CFGR_HPRE_DIV64 /*!< SYSCLK divided by 64 */
  207. #define LL_RCC_SYSCLK_DIV_128 RCC_CFGR_HPRE_DIV128 /*!< SYSCLK divided by 128 */
  208. #define LL_RCC_SYSCLK_DIV_256 RCC_CFGR_HPRE_DIV256 /*!< SYSCLK divided by 256 */
  209. #define LL_RCC_SYSCLK_DIV_512 RCC_CFGR_HPRE_DIV512 /*!< SYSCLK divided by 512 */
  210. /**
  211. * @}
  212. */
  213. /** @defgroup RCC_LL_EC_APB1_DIV APB low-speed prescaler (APB1)
  214. * @{
  215. */
  216. #define LL_RCC_APB1_DIV_1 RCC_CFGR_PPRE1_DIV1 /*!< HCLK not divided */
  217. #define LL_RCC_APB1_DIV_2 RCC_CFGR_PPRE1_DIV2 /*!< HCLK divided by 2 */
  218. #define LL_RCC_APB1_DIV_4 RCC_CFGR_PPRE1_DIV4 /*!< HCLK divided by 4 */
  219. #define LL_RCC_APB1_DIV_8 RCC_CFGR_PPRE1_DIV8 /*!< HCLK divided by 8 */
  220. #define LL_RCC_APB1_DIV_16 RCC_CFGR_PPRE1_DIV16 /*!< HCLK divided by 16 */
  221. /**
  222. * @}
  223. */
  224. /** @defgroup RCC_LL_EC_APB2_DIV APB high-speed prescaler (APB2)
  225. * @{
  226. */
  227. #define LL_RCC_APB2_DIV_1 RCC_CFGR_PPRE2_DIV1 /*!< HCLK not divided */
  228. #define LL_RCC_APB2_DIV_2 RCC_CFGR_PPRE2_DIV2 /*!< HCLK divided by 2 */
  229. #define LL_RCC_APB2_DIV_4 RCC_CFGR_PPRE2_DIV4 /*!< HCLK divided by 4 */
  230. #define LL_RCC_APB2_DIV_8 RCC_CFGR_PPRE2_DIV8 /*!< HCLK divided by 8 */
  231. #define LL_RCC_APB2_DIV_16 RCC_CFGR_PPRE2_DIV16 /*!< HCLK divided by 16 */
  232. /**
  233. * @}
  234. */
  235. /** @defgroup RCC_LL_EC_MCO1SOURCE MCO1 SOURCE selection
  236. * @{
  237. */
  238. #define LL_RCC_MCO1SOURCE_NOCLOCK RCC_CFGR_MCOSEL_NOCLOCK /*!< MCO output disabled, no clock on MCO */
  239. #define LL_RCC_MCO1SOURCE_SYSCLK RCC_CFGR_MCOSEL_SYSCLK /*!< SYSCLK selection as MCO source */
  240. #define LL_RCC_MCO1SOURCE_HSI RCC_CFGR_MCOSEL_HSI /*!< HSI selection as MCO source */
  241. #define LL_RCC_MCO1SOURCE_HSE RCC_CFGR_MCOSEL_HSE /*!< HSE selection as MCO source */
  242. #define LL_RCC_MCO1SOURCE_LSI RCC_CFGR_MCOSEL_LSI /*!< LSI selection as MCO source */
  243. #define LL_RCC_MCO1SOURCE_LSE RCC_CFGR_MCOSEL_LSE /*!< LSE selection as MCO source */
  244. #define LL_RCC_MCO1SOURCE_PLLCLK_DIV_2 RCC_CFGR_MCOSEL_PLL_DIV2 /*!< PLL clock divided by 2*/
  245. #if defined(RCC_CFGR_PLLNODIV)
  246. #define LL_RCC_MCO1SOURCE_PLLCLK (RCC_CFGR_MCOSEL_PLL_DIV2 | RCC_CFGR_PLLNODIV) /*!< PLL clock selected*/
  247. #endif /* RCC_CFGR_PLLNODIV */
  248. /**
  249. * @}
  250. */
  251. /** @defgroup RCC_LL_EC_MCO1_DIV MCO1 prescaler
  252. * @{
  253. */
  254. #define LL_RCC_MCO1_DIV_1 ((uint32_t)0x00000000U)/*!< MCO Clock divided by 1 */
  255. #if defined(RCC_CFGR_MCOPRE)
  256. #define LL_RCC_MCO1_DIV_2 RCC_CFGR_MCOPRE_DIV2 /*!< MCO Clock divided by 2 */
  257. #define LL_RCC_MCO1_DIV_4 RCC_CFGR_MCOPRE_DIV4 /*!< MCO Clock divided by 4 */
  258. #define LL_RCC_MCO1_DIV_8 RCC_CFGR_MCOPRE_DIV8 /*!< MCO Clock divided by 8 */
  259. #define LL_RCC_MCO1_DIV_16 RCC_CFGR_MCOPRE_DIV16 /*!< MCO Clock divided by 16 */
  260. #define LL_RCC_MCO1_DIV_32 RCC_CFGR_MCOPRE_DIV32 /*!< MCO Clock divided by 32 */
  261. #define LL_RCC_MCO1_DIV_64 RCC_CFGR_MCOPRE_DIV64 /*!< MCO Clock divided by 64 */
  262. #define LL_RCC_MCO1_DIV_128 RCC_CFGR_MCOPRE_DIV128 /*!< MCO Clock divided by 128 */
  263. #endif /* RCC_CFGR_MCOPRE */
  264. /**
  265. * @}
  266. */
  267. #if defined(USE_FULL_LL_DRIVER)
  268. /** @defgroup RCC_LL_EC_PERIPH_FREQUENCY Peripheral clock frequency
  269. * @{
  270. */
  271. #define LL_RCC_PERIPH_FREQUENCY_NO 0x00000000U /*!< No clock enabled for the peripheral */
  272. #define LL_RCC_PERIPH_FREQUENCY_NA 0xFFFFFFFFU /*!< Frequency cannot be provided as external clock */
  273. /**
  274. * @}
  275. */
  276. #endif /* USE_FULL_LL_DRIVER */
  277. /** @defgroup RCC_LL_EC_USART1_CLKSOURCE Peripheral USART clock source selection
  278. * @{
  279. */
  280. #if defined(RCC_CFGR3_USART1SW_PCLK1)
  281. #define LL_RCC_USART1_CLKSOURCE_PCLK1 (uint32_t)((RCC_POSITION_USART1SW << 24U) | RCC_CFGR3_USART1SW_PCLK1) /*!< PCLK1 clock used as USART1 clock source */
  282. #else
  283. #define LL_RCC_USART1_CLKSOURCE_PCLK2 (uint32_t)((RCC_POSITION_USART1SW << 24U) | RCC_CFGR3_USART1SW_PCLK2) /*!< PCLK2 clock used as USART1 clock source */
  284. #endif /*RCC_CFGR3_USART1SW_PCLK1*/
  285. #define LL_RCC_USART1_CLKSOURCE_SYSCLK (uint32_t)((RCC_POSITION_USART1SW << 24U) | RCC_CFGR3_USART1SW_SYSCLK) /*!< System clock selected as USART1 clock source */
  286. #define LL_RCC_USART1_CLKSOURCE_LSE (uint32_t)((RCC_POSITION_USART1SW << 24U) | RCC_CFGR3_USART1SW_LSE) /*!< LSE oscillator clock used as USART1 clock source */
  287. #define LL_RCC_USART1_CLKSOURCE_HSI (uint32_t)((RCC_POSITION_USART1SW << 24U) | RCC_CFGR3_USART1SW_HSI) /*!< HSI oscillator clock used as USART1 clock source */
  288. #if defined(RCC_CFGR3_USART2SW)
  289. #define LL_RCC_USART2_CLKSOURCE_PCLK1 (uint32_t)((RCC_POSITION_USART2SW << 24U) | RCC_CFGR3_USART2SW_PCLK) /*!< PCLK1 clock used as USART2 clock source */
  290. #define LL_RCC_USART2_CLKSOURCE_SYSCLK (uint32_t)((RCC_POSITION_USART2SW << 24U) | RCC_CFGR3_USART2SW_SYSCLK) /*!< System clock selected as USART2 clock source */
  291. #define LL_RCC_USART2_CLKSOURCE_LSE (uint32_t)((RCC_POSITION_USART2SW << 24U) | RCC_CFGR3_USART2SW_LSE) /*!< LSE oscillator clock used as USART2 clock source */
  292. #define LL_RCC_USART2_CLKSOURCE_HSI (uint32_t)((RCC_POSITION_USART2SW << 24U) | RCC_CFGR3_USART2SW_HSI) /*!< HSI oscillator clock used as USART2 clock source */
  293. #endif /* RCC_CFGR3_USART2SW */
  294. #if defined(RCC_CFGR3_USART3SW)
  295. #define LL_RCC_USART3_CLKSOURCE_PCLK1 (uint32_t)((RCC_POSITION_USART3SW << 24U) | RCC_CFGR3_USART3SW_PCLK) /*!< PCLK1 clock used as USART3 clock source */
  296. #define LL_RCC_USART3_CLKSOURCE_SYSCLK (uint32_t)((RCC_POSITION_USART3SW << 24U) | RCC_CFGR3_USART3SW_SYSCLK) /*!< System clock selected as USART3 clock source */
  297. #define LL_RCC_USART3_CLKSOURCE_LSE (uint32_t)((RCC_POSITION_USART3SW << 24U) | RCC_CFGR3_USART3SW_LSE) /*!< LSE oscillator clock used as USART3 clock source */
  298. #define LL_RCC_USART3_CLKSOURCE_HSI (uint32_t)((RCC_POSITION_USART3SW << 24U) | RCC_CFGR3_USART3SW_HSI) /*!< HSI oscillator clock used as USART3 clock source */
  299. #endif /* RCC_CFGR3_USART3SW */
  300. /**
  301. * @}
  302. */
  303. #if defined(RCC_CFGR3_UART4SW) || defined(RCC_CFGR3_UART5SW)
  304. /** @defgroup RCC_LL_EC_UART4_CLKSOURCE Peripheral UART clock source selection
  305. * @{
  306. */
  307. #define LL_RCC_UART4_CLKSOURCE_PCLK1 (uint32_t)((RCC_CFGR3_UART4SW >> 8U) | RCC_CFGR3_UART4SW_PCLK) /*!< PCLK1 clock used as UART4 clock source */
  308. #define LL_RCC_UART4_CLKSOURCE_SYSCLK (uint32_t)((RCC_CFGR3_UART4SW >> 8U) | RCC_CFGR3_UART4SW_SYSCLK) /*!< System clock selected as UART4 clock source */
  309. #define LL_RCC_UART4_CLKSOURCE_LSE (uint32_t)((RCC_CFGR3_UART4SW >> 8U) | RCC_CFGR3_UART4SW_LSE) /*!< LSE oscillator clock used as UART4 clock source */
  310. #define LL_RCC_UART4_CLKSOURCE_HSI (uint32_t)((RCC_CFGR3_UART4SW >> 8U) | RCC_CFGR3_UART4SW_HSI) /*!< HSI oscillator clock used as UART4 clock source */
  311. #define LL_RCC_UART5_CLKSOURCE_PCLK1 (uint32_t)((RCC_CFGR3_UART5SW >> 8U) | RCC_CFGR3_UART5SW_PCLK) /*!< PCLK1 clock used as UART5 clock source */
  312. #define LL_RCC_UART5_CLKSOURCE_SYSCLK (uint32_t)((RCC_CFGR3_UART5SW >> 8U) | RCC_CFGR3_UART5SW_SYSCLK) /*!< System clock selected as UART5 clock source */
  313. #define LL_RCC_UART5_CLKSOURCE_LSE (uint32_t)((RCC_CFGR3_UART5SW >> 8U) | RCC_CFGR3_UART5SW_LSE) /*!< LSE oscillator clock used as UART5 clock source */
  314. #define LL_RCC_UART5_CLKSOURCE_HSI (uint32_t)((RCC_CFGR3_UART5SW >> 8U) | RCC_CFGR3_UART5SW_HSI) /*!< HSI oscillator clock used as UART5 clock source */
  315. /**
  316. * @}
  317. */
  318. #endif /* RCC_CFGR3_UART4SW || RCC_CFGR3_UART5SW */
  319. /** @defgroup RCC_LL_EC_I2C1_CLKSOURCE Peripheral I2C clock source selection
  320. * @{
  321. */
  322. #define LL_RCC_I2C1_CLKSOURCE_HSI (uint32_t)((RCC_CFGR3_I2C1SW << 24U) | RCC_CFGR3_I2C1SW_HSI) /*!< HSI oscillator clock used as I2C1 clock source */
  323. #define LL_RCC_I2C1_CLKSOURCE_SYSCLK (uint32_t)((RCC_CFGR3_I2C1SW << 24U) | RCC_CFGR3_I2C1SW_SYSCLK) /*!< System clock selected as I2C1 clock source */
  324. #if defined(RCC_CFGR3_I2C2SW)
  325. #define LL_RCC_I2C2_CLKSOURCE_HSI (uint32_t)((RCC_CFGR3_I2C2SW << 24U) | RCC_CFGR3_I2C2SW_HSI) /*!< HSI oscillator clock used as I2C2 clock source */
  326. #define LL_RCC_I2C2_CLKSOURCE_SYSCLK (uint32_t)((RCC_CFGR3_I2C2SW << 24U) | RCC_CFGR3_I2C2SW_SYSCLK) /*!< System clock selected as I2C2 clock source */
  327. #endif /*RCC_CFGR3_I2C2SW*/
  328. #if defined(RCC_CFGR3_I2C3SW)
  329. #define LL_RCC_I2C3_CLKSOURCE_HSI (uint32_t)((RCC_CFGR3_I2C3SW << 24U) | RCC_CFGR3_I2C3SW_HSI) /*!< HSI oscillator clock used as I2C3 clock source */
  330. #define LL_RCC_I2C3_CLKSOURCE_SYSCLK (uint32_t)((RCC_CFGR3_I2C3SW << 24U) | RCC_CFGR3_I2C3SW_SYSCLK) /*!< System clock selected as I2C3 clock source */
  331. #endif /*RCC_CFGR3_I2C3SW*/
  332. /**
  333. * @}
  334. */
  335. #if defined(RCC_CFGR_I2SSRC)
  336. /** @defgroup RCC_LL_EC_I2S_CLKSOURCE Peripheral I2S clock source selection
  337. * @{
  338. */
  339. #define LL_RCC_I2S_CLKSOURCE_SYSCLK RCC_CFGR_I2SSRC_SYSCLK /*!< System clock selected as I2S clock source */
  340. #define LL_RCC_I2S_CLKSOURCE_PIN RCC_CFGR_I2SSRC_EXT /*!< External clock selected as I2S clock source */
  341. /**
  342. * @}
  343. */
  344. #endif /* RCC_CFGR_I2SSRC */
  345. #if defined(RCC_CFGR3_TIMSW)
  346. /** @defgroup RCC_LL_EC_TIM1_CLKSOURCE Peripheral TIM clock source selection
  347. * @{
  348. */
  349. #define LL_RCC_TIM1_CLKSOURCE_PCLK2 (uint32_t)(((RCC_POSITION_TIM1SW - RCC_POSITION_TIM1SW) << 27U) | RCC_CFGR3_TIM1SW_PCLK2) /*!< PCLK2 used as TIM1 clock source */
  350. #define LL_RCC_TIM1_CLKSOURCE_PLL (uint32_t)(((RCC_POSITION_TIM1SW - RCC_POSITION_TIM1SW) << 27U) | RCC_CFGR3_TIM1SW_PLL) /*!< PLL clock used as TIM1 clock source */
  351. #if defined(RCC_CFGR3_TIM8SW)
  352. #define LL_RCC_TIM8_CLKSOURCE_PCLK2 (uint32_t)(((RCC_POSITION_TIM8SW - RCC_POSITION_TIM1SW) << 27U) | RCC_CFGR3_TIM8SW_PCLK2) /*!< PCLK2 used as TIM8 clock source */
  353. #define LL_RCC_TIM8_CLKSOURCE_PLL (uint32_t)(((RCC_POSITION_TIM8SW - RCC_POSITION_TIM1SW) << 27U) | RCC_CFGR3_TIM8SW_PLL) /*!< PLL clock used as TIM8 clock source */
  354. #endif /*RCC_CFGR3_TIM8SW*/
  355. #if defined(RCC_CFGR3_TIM15SW)
  356. #define LL_RCC_TIM15_CLKSOURCE_PCLK2 (uint32_t)(((RCC_POSITION_TIM15SW - RCC_POSITION_TIM1SW) << 27U) | RCC_CFGR3_TIM15SW_PCLK2) /*!< PCLK2 used as TIM15 clock source */
  357. #define LL_RCC_TIM15_CLKSOURCE_PLL (uint32_t)(((RCC_POSITION_TIM15SW - RCC_POSITION_TIM1SW) << 27U) | RCC_CFGR3_TIM15SW_PLL) /*!< PLL clock used as TIM15 clock source */
  358. #endif /*RCC_CFGR3_TIM15SW*/
  359. #if defined(RCC_CFGR3_TIM16SW)
  360. #define LL_RCC_TIM16_CLKSOURCE_PCLK2 (uint32_t)(((RCC_POSITION_TIM16SW - RCC_POSITION_TIM1SW) << 27U) | RCC_CFGR3_TIM16SW_PCLK2) /*!< PCLK2 used as TIM16 clock source */
  361. #define LL_RCC_TIM16_CLKSOURCE_PLL (uint32_t)(((RCC_POSITION_TIM16SW - RCC_POSITION_TIM1SW) << 27U) | RCC_CFGR3_TIM16SW_PLL) /*!< PLL clock used as TIM16 clock source */
  362. #endif /*RCC_CFGR3_TIM16SW*/
  363. #if defined(RCC_CFGR3_TIM17SW)
  364. #define LL_RCC_TIM17_CLKSOURCE_PCLK2 (uint32_t)(((RCC_POSITION_TIM17SW - RCC_POSITION_TIM1SW) << 27U) | RCC_CFGR3_TIM17SW_PCLK2) /*!< PCLK2 used as TIM17 clock source */
  365. #define LL_RCC_TIM17_CLKSOURCE_PLL (uint32_t)(((RCC_POSITION_TIM17SW - RCC_POSITION_TIM1SW) << 27U) | RCC_CFGR3_TIM17SW_PLL) /*!< PLL clock used as TIM17 clock source */
  366. #endif /*RCC_CFGR3_TIM17SW*/
  367. #if defined(RCC_CFGR3_TIM20SW)
  368. #define LL_RCC_TIM20_CLKSOURCE_PCLK2 (uint32_t)(((RCC_POSITION_TIM20SW - RCC_POSITION_TIM1SW) << 27U) | RCC_CFGR3_TIM20SW_PCLK2) /*!< PCLK2 used as TIM20 clock source */
  369. #define LL_RCC_TIM20_CLKSOURCE_PLL (uint32_t)(((RCC_POSITION_TIM20SW - RCC_POSITION_TIM1SW) << 27U) | RCC_CFGR3_TIM20SW_PLL) /*!< PLL clock used as TIM20 clock source */
  370. #endif /*RCC_CFGR3_TIM20SW*/
  371. #if defined(RCC_CFGR3_TIM2SW)
  372. #define LL_RCC_TIM2_CLKSOURCE_PCLK1 (uint32_t)(((RCC_POSITION_TIM2SW - RCC_POSITION_TIM1SW) << 27U) | RCC_CFGR3_TIM2SW_PCLK1) /*!< PCLK1 used as TIM2 clock source */
  373. #define LL_RCC_TIM2_CLKSOURCE_PLL (uint32_t)(((RCC_POSITION_TIM2SW - RCC_POSITION_TIM1SW) << 27U) | RCC_CFGR3_TIM2SW_PLL) /*!< PLL clock used as TIM2 clock source */
  374. #endif /*RCC_CFGR3_TIM2SW*/
  375. #if defined(RCC_CFGR3_TIM34SW)
  376. #define LL_RCC_TIM34_CLKSOURCE_PCLK1 (uint32_t)(((RCC_POSITION_TIM34SW - RCC_POSITION_TIM1SW) << 27U) | RCC_CFGR3_TIM34SW_PCLK1) /*!< PCLK1 used as TIM3/4 clock source */
  377. #define LL_RCC_TIM34_CLKSOURCE_PLL (uint32_t)(((RCC_POSITION_TIM34SW - RCC_POSITION_TIM1SW) << 27U) | RCC_CFGR3_TIM34SW_PLL) /*!< PLL clock used as TIM3/4 clock source */
  378. #endif /*RCC_CFGR3_TIM34SW*/
  379. /**
  380. * @}
  381. */
  382. #endif /* RCC_CFGR3_TIMSW */
  383. #if defined(HRTIM1)
  384. /** @defgroup RCC_LL_EC_HRTIM1_CLKSOURCE Peripheral HRTIM1 clock source selection
  385. * @{
  386. */
  387. #define LL_RCC_HRTIM1_CLKSOURCE_PCLK2 RCC_CFGR3_HRTIM1SW_PCLK2 /*!< PCLK2 used as HRTIM1 clock source */
  388. #define LL_RCC_HRTIM1_CLKSOURCE_PLL RCC_CFGR3_HRTIM1SW_PLL /*!< PLL clock used as HRTIM1 clock source */
  389. /**
  390. * @}
  391. */
  392. #endif /* HRTIM1 */
  393. #if defined(CEC)
  394. /** @defgroup RCC_LL_EC_CEC_CLKSOURCE Peripheral CEC clock source selection
  395. * @{
  396. */
  397. #define LL_RCC_CEC_CLKSOURCE_HSI_DIV244 RCC_CFGR3_CECSW_HSI_DIV244 /*!< HSI clock divided by 244 selected as HDMI CEC entry clock source */
  398. #define LL_RCC_CEC_CLKSOURCE_LSE RCC_CFGR3_CECSW_LSE /*!< LSE clock selected as HDMI CEC entry clock source */
  399. /**
  400. * @}
  401. */
  402. #endif /* CEC */
  403. #if defined(USB)
  404. /** @defgroup RCC_LL_EC_USB_CLKSOURCE Peripheral USB clock source selection
  405. * @{
  406. */
  407. #define LL_RCC_USB_CLKSOURCE_PLL RCC_CFGR_USBPRE_DIV1 /*!< USB prescaler is PLL clock divided by 1 */
  408. #define LL_RCC_USB_CLKSOURCE_PLL_DIV_1_5 RCC_CFGR_USBPRE_DIV1_5 /*!< USB prescaler is PLL clock divided by 1.5 */
  409. /**
  410. * @}
  411. */
  412. #endif /* USB */
  413. #if defined(RCC_CFGR_ADCPRE)
  414. /** @defgroup RCC_LL_EC_ADC_CLKSOURCE Peripheral ADC clock source selection
  415. * @{
  416. */
  417. #define LL_RCC_ADC_CLKSRC_PCLK2_DIV_2 RCC_CFGR_ADCPRE_DIV2 /*!< ADC prescaler PCLK divided by 2 */
  418. #define LL_RCC_ADC_CLKSRC_PCLK2_DIV_4 RCC_CFGR_ADCPRE_DIV4 /*!< ADC prescaler PCLK divided by 4 */
  419. #define LL_RCC_ADC_CLKSRC_PCLK2_DIV_6 RCC_CFGR_ADCPRE_DIV6 /*!< ADC prescaler PCLK divided by 6 */
  420. #define LL_RCC_ADC_CLKSRC_PCLK2_DIV_8 RCC_CFGR_ADCPRE_DIV8 /*!< ADC prescaler PCLK divided by 8 */
  421. /**
  422. * @}
  423. */
  424. #elif defined(RCC_CFGR2_ADC1PRES)
  425. /** @defgroup RCC_LL_EC_ADC1_CLKSOURCE Peripheral ADC clock source selection
  426. * @{
  427. */
  428. #define LL_RCC_ADC1_CLKSRC_HCLK RCC_CFGR2_ADC1PRES_NO /*!< ADC1 clock disabled, ADC1 can use AHB clock */
  429. #define LL_RCC_ADC1_CLKSRC_PLL_DIV_1 RCC_CFGR2_ADC1PRES_DIV1 /*!< ADC1 PLL clock divided by 1 */
  430. #define LL_RCC_ADC1_CLKSRC_PLL_DIV_2 RCC_CFGR2_ADC1PRES_DIV2 /*!< ADC1 PLL clock divided by 2 */
  431. #define LL_RCC_ADC1_CLKSRC_PLL_DIV_4 RCC_CFGR2_ADC1PRES_DIV4 /*!< ADC1 PLL clock divided by 4 */
  432. #define LL_RCC_ADC1_CLKSRC_PLL_DIV_6 RCC_CFGR2_ADC1PRES_DIV6 /*!< ADC1 PLL clock divided by 6 */
  433. #define LL_RCC_ADC1_CLKSRC_PLL_DIV_8 RCC_CFGR2_ADC1PRES_DIV8 /*!< ADC1 PLL clock divided by 8 */
  434. #define LL_RCC_ADC1_CLKSRC_PLL_DIV_10 RCC_CFGR2_ADC1PRES_DIV10 /*!< ADC1 PLL clock divided by 10 */
  435. #define LL_RCC_ADC1_CLKSRC_PLL_DIV_12 RCC_CFGR2_ADC1PRES_DIV12 /*!< ADC1 PLL clock divided by 12 */
  436. #define LL_RCC_ADC1_CLKSRC_PLL_DIV_16 RCC_CFGR2_ADC1PRES_DIV16 /*!< ADC1 PLL clock divided by 16 */
  437. #define LL_RCC_ADC1_CLKSRC_PLL_DIV_32 RCC_CFGR2_ADC1PRES_DIV32 /*!< ADC1 PLL clock divided by 32 */
  438. #define LL_RCC_ADC1_CLKSRC_PLL_DIV_64 RCC_CFGR2_ADC1PRES_DIV64 /*!< ADC1 PLL clock divided by 64 */
  439. #define LL_RCC_ADC1_CLKSRC_PLL_DIV_128 RCC_CFGR2_ADC1PRES_DIV128 /*!< ADC1 PLL clock divided by 128 */
  440. #define LL_RCC_ADC1_CLKSRC_PLL_DIV_256 RCC_CFGR2_ADC1PRES_DIV256 /*!< ADC1 PLL clock divided by 256 */
  441. /**
  442. * @}
  443. */
  444. #elif defined(RCC_CFGR2_ADCPRE12) || defined(RCC_CFGR2_ADCPRE34)
  445. #if defined(RCC_CFGR2_ADCPRE12) && defined(RCC_CFGR2_ADCPRE34)
  446. /** @defgroup RCC_LL_EC_ADC12_CLKSOURCE Peripheral ADC12 clock source selection
  447. * @{
  448. */
  449. #define LL_RCC_ADC12_CLKSRC_HCLK (uint32_t)((RCC_CFGR2_ADCPRE12 << 16U) | RCC_CFGR2_ADCPRE12_NO) /*!< ADC12 clock disabled, ADC12 can use AHB clock */
  450. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_1 (uint32_t)((RCC_CFGR2_ADCPRE12 << 16U) | RCC_CFGR2_ADCPRE12_DIV1) /*!< ADC12 PLL clock divided by 1 */
  451. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_2 (uint32_t)((RCC_CFGR2_ADCPRE12 << 16U) | RCC_CFGR2_ADCPRE12_DIV2) /*!< ADC12 PLL clock divided by 2 */
  452. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_4 (uint32_t)((RCC_CFGR2_ADCPRE12 << 16U) | RCC_CFGR2_ADCPRE12_DIV4) /*!< ADC12 PLL clock divided by 4 */
  453. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_6 (uint32_t)((RCC_CFGR2_ADCPRE12 << 16U) | RCC_CFGR2_ADCPRE12_DIV6) /*!< ADC12 PLL clock divided by 6 */
  454. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_8 (uint32_t)((RCC_CFGR2_ADCPRE12 << 16U) | RCC_CFGR2_ADCPRE12_DIV8) /*!< ADC12 PLL clock divided by 8 */
  455. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_10 (uint32_t)((RCC_CFGR2_ADCPRE12 << 16U) | RCC_CFGR2_ADCPRE12_DIV10) /*!< ADC12 PLL clock divided by 10 */
  456. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_12 (uint32_t)((RCC_CFGR2_ADCPRE12 << 16U) | RCC_CFGR2_ADCPRE12_DIV12) /*!< ADC12 PLL clock divided by 12 */
  457. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_16 (uint32_t)((RCC_CFGR2_ADCPRE12 << 16U) | RCC_CFGR2_ADCPRE12_DIV16) /*!< ADC12 PLL clock divided by 16 */
  458. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_32 (uint32_t)((RCC_CFGR2_ADCPRE12 << 16U) | RCC_CFGR2_ADCPRE12_DIV32) /*!< ADC12 PLL clock divided by 32 */
  459. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_64 (uint32_t)((RCC_CFGR2_ADCPRE12 << 16U) | RCC_CFGR2_ADCPRE12_DIV64) /*!< ADC12 PLL clock divided by 64 */
  460. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_128 (uint32_t)((RCC_CFGR2_ADCPRE12 << 16U) | RCC_CFGR2_ADCPRE12_DIV128) /*!< ADC12 PLL clock divided by 128 */
  461. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_256 (uint32_t)((RCC_CFGR2_ADCPRE12 << 16U) | RCC_CFGR2_ADCPRE12_DIV256) /*!< ADC12 PLL clock divided by 256 */
  462. /**
  463. * @}
  464. */
  465. /** @defgroup RCC_LL_EC_ADC34_CLKSOURCE Peripheral ADC34 clock source selection
  466. * @{
  467. */
  468. #define LL_RCC_ADC34_CLKSRC_HCLK (uint32_t)((RCC_CFGR2_ADCPRE34 << 16U) | RCC_CFGR2_ADCPRE34_NO) /*!< ADC34 clock disabled, ADC34 can use AHB clock */
  469. #define LL_RCC_ADC34_CLKSRC_PLL_DIV_1 (uint32_t)((RCC_CFGR2_ADCPRE34 << 16U) | RCC_CFGR2_ADCPRE34_DIV1) /*!< ADC34 PLL clock divided by 1 */
  470. #define LL_RCC_ADC34_CLKSRC_PLL_DIV_2 (uint32_t)((RCC_CFGR2_ADCPRE34 << 16U) | RCC_CFGR2_ADCPRE34_DIV2) /*!< ADC34 PLL clock divided by 2 */
  471. #define LL_RCC_ADC34_CLKSRC_PLL_DIV_4 (uint32_t)((RCC_CFGR2_ADCPRE34 << 16U) | RCC_CFGR2_ADCPRE34_DIV4) /*!< ADC34 PLL clock divided by 4 */
  472. #define LL_RCC_ADC34_CLKSRC_PLL_DIV_6 (uint32_t)((RCC_CFGR2_ADCPRE34 << 16U) | RCC_CFGR2_ADCPRE34_DIV6) /*!< ADC34 PLL clock divided by 6 */
  473. #define LL_RCC_ADC34_CLKSRC_PLL_DIV_8 (uint32_t)((RCC_CFGR2_ADCPRE34 << 16U) | RCC_CFGR2_ADCPRE34_DIV8) /*!< ADC34 PLL clock divided by 8 */
  474. #define LL_RCC_ADC34_CLKSRC_PLL_DIV_10 (uint32_t)((RCC_CFGR2_ADCPRE34 << 16U) | RCC_CFGR2_ADCPRE34_DIV10) /*!< ADC34 PLL clock divided by 10 */
  475. #define LL_RCC_ADC34_CLKSRC_PLL_DIV_12 (uint32_t)((RCC_CFGR2_ADCPRE34 << 16U) | RCC_CFGR2_ADCPRE34_DIV12) /*!< ADC34 PLL clock divided by 12 */
  476. #define LL_RCC_ADC34_CLKSRC_PLL_DIV_16 (uint32_t)((RCC_CFGR2_ADCPRE34 << 16U) | RCC_CFGR2_ADCPRE34_DIV16) /*!< ADC34 PLL clock divided by 16 */
  477. #define LL_RCC_ADC34_CLKSRC_PLL_DIV_32 (uint32_t)((RCC_CFGR2_ADCPRE34 << 16U) | RCC_CFGR2_ADCPRE34_DIV32) /*!< ADC34 PLL clock divided by 32 */
  478. #define LL_RCC_ADC34_CLKSRC_PLL_DIV_64 (uint32_t)((RCC_CFGR2_ADCPRE34 << 16U) | RCC_CFGR2_ADCPRE34_DIV64) /*!< ADC34 PLL clock divided by 64 */
  479. #define LL_RCC_ADC34_CLKSRC_PLL_DIV_128 (uint32_t)((RCC_CFGR2_ADCPRE34 << 16U) | RCC_CFGR2_ADCPRE34_DIV128) /*!< ADC34 PLL clock divided by 128 */
  480. #define LL_RCC_ADC34_CLKSRC_PLL_DIV_256 (uint32_t)((RCC_CFGR2_ADCPRE34 << 16U) | RCC_CFGR2_ADCPRE34_DIV256) /*!< ADC34 PLL clock divided by 256 */
  481. /**
  482. * @}
  483. */
  484. #else
  485. /** @defgroup RCC_LL_EC_ADC12_CLKSOURCE Peripheral ADC clock source selection
  486. * @{
  487. */
  488. #define LL_RCC_ADC12_CLKSRC_HCLK RCC_CFGR2_ADCPRE12_NO /*!< ADC12 clock disabled, ADC12 can use AHB clock */
  489. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_1 RCC_CFGR2_ADCPRE12_DIV1 /*!< ADC12 PLL clock divided by 1 */
  490. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_2 RCC_CFGR2_ADCPRE12_DIV2 /*!< ADC12 PLL clock divided by 2 */
  491. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_4 RCC_CFGR2_ADCPRE12_DIV4 /*!< ADC12 PLL clock divided by 4 */
  492. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_6 RCC_CFGR2_ADCPRE12_DIV6 /*!< ADC12 PLL clock divided by 6 */
  493. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_8 RCC_CFGR2_ADCPRE12_DIV8 /*!< ADC12 PLL clock divided by 8 */
  494. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_10 RCC_CFGR2_ADCPRE12_DIV10 /*!< ADC12 PLL clock divided by 10 */
  495. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_12 RCC_CFGR2_ADCPRE12_DIV12 /*!< ADC12 PLL clock divided by 12 */
  496. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_16 RCC_CFGR2_ADCPRE12_DIV16 /*!< ADC12 PLL clock divided by 16 */
  497. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_32 RCC_CFGR2_ADCPRE12_DIV32 /*!< ADC12 PLL clock divided by 32 */
  498. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_64 RCC_CFGR2_ADCPRE12_DIV64 /*!< ADC12 PLL clock divided by 64 */
  499. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_128 RCC_CFGR2_ADCPRE12_DIV128 /*!< ADC12 PLL clock divided by 128 */
  500. #define LL_RCC_ADC12_CLKSRC_PLL_DIV_256 RCC_CFGR2_ADCPRE12_DIV256 /*!< ADC12 PLL clock divided by 256 */
  501. /**
  502. * @}
  503. */
  504. #endif /* RCC_CFGR2_ADCPRE12 && RCC_CFGR2_ADCPRE34 */
  505. #endif /* RCC_CFGR_ADCPRE */
  506. #if defined(RCC_CFGR_SDPRE)
  507. /** @defgroup RCC_LL_EC_SDADC_CLKSOURCE_SYSCLK Peripheral SDADC clock source selection
  508. * @{
  509. */
  510. #define LL_RCC_SDADC_CLKSRC_SYS_DIV_1 RCC_CFGR_SDPRE_DIV1 /*!< SDADC CLK not divided */
  511. #define LL_RCC_SDADC_CLKSRC_SYS_DIV_2 RCC_CFGR_SDPRE_DIV2 /*!< SDADC CLK divided by 2 */
  512. #define LL_RCC_SDADC_CLKSRC_SYS_DIV_4 RCC_CFGR_SDPRE_DIV4 /*!< SDADC CLK divided by 4 */
  513. #define LL_RCC_SDADC_CLKSRC_SYS_DIV_6 RCC_CFGR_SDPRE_DIV6 /*!< SDADC CLK divided by 6 */
  514. #define LL_RCC_SDADC_CLKSRC_SYS_DIV_8 RCC_CFGR_SDPRE_DIV8 /*!< SDADC CLK divided by 8 */
  515. #define LL_RCC_SDADC_CLKSRC_SYS_DIV_10 RCC_CFGR_SDPRE_DIV10 /*!< SDADC CLK divided by 10 */
  516. #define LL_RCC_SDADC_CLKSRC_SYS_DIV_12 RCC_CFGR_SDPRE_DIV12 /*!< SDADC CLK divided by 12 */
  517. #define LL_RCC_SDADC_CLKSRC_SYS_DIV_14 RCC_CFGR_SDPRE_DIV14 /*!< SDADC CLK divided by 14 */
  518. #define LL_RCC_SDADC_CLKSRC_SYS_DIV_16 RCC_CFGR_SDPRE_DIV16 /*!< SDADC CLK divided by 16 */
  519. #define LL_RCC_SDADC_CLKSRC_SYS_DIV_20 RCC_CFGR_SDPRE_DIV20 /*!< SDADC CLK divided by 20 */
  520. #define LL_RCC_SDADC_CLKSRC_SYS_DIV_24 RCC_CFGR_SDPRE_DIV24 /*!< SDADC CLK divided by 24 */
  521. #define LL_RCC_SDADC_CLKSRC_SYS_DIV_28 RCC_CFGR_SDPRE_DIV28 /*!< SDADC CLK divided by 28 */
  522. #define LL_RCC_SDADC_CLKSRC_SYS_DIV_32 RCC_CFGR_SDPRE_DIV32 /*!< SDADC CLK divided by 32 */
  523. #define LL_RCC_SDADC_CLKSRC_SYS_DIV_36 RCC_CFGR_SDPRE_DIV36 /*!< SDADC CLK divided by 36 */
  524. #define LL_RCC_SDADC_CLKSRC_SYS_DIV_40 RCC_CFGR_SDPRE_DIV40 /*!< SDADC CLK divided by 40 */
  525. #define LL_RCC_SDADC_CLKSRC_SYS_DIV_44 RCC_CFGR_SDPRE_DIV44 /*!< SDADC CLK divided by 44 */
  526. #define LL_RCC_SDADC_CLKSRC_SYS_DIV_48 RCC_CFGR_SDPRE_DIV48 /*!< SDADC CLK divided by 48 */
  527. /**
  528. * @}
  529. */
  530. #endif /* RCC_CFGR_SDPRE */
  531. /** @defgroup RCC_LL_EC_USART Peripheral USART get clock source
  532. * @{
  533. */
  534. #define LL_RCC_USART1_CLKSOURCE RCC_POSITION_USART1SW /*!< USART1 Clock source selection */
  535. #if defined(RCC_CFGR3_USART2SW)
  536. #define LL_RCC_USART2_CLKSOURCE RCC_POSITION_USART2SW /*!< USART2 Clock source selection */
  537. #endif /* RCC_CFGR3_USART2SW */
  538. #if defined(RCC_CFGR3_USART3SW)
  539. #define LL_RCC_USART3_CLKSOURCE RCC_POSITION_USART3SW /*!< USART3 Clock source selection */
  540. #endif /* RCC_CFGR3_USART3SW */
  541. /**
  542. * @}
  543. */
  544. #if defined(RCC_CFGR3_UART4SW) || defined(RCC_CFGR3_UART5SW)
  545. /** @defgroup RCC_LL_EC_UART Peripheral UART get clock source
  546. * @{
  547. */
  548. #define LL_RCC_UART4_CLKSOURCE RCC_CFGR3_UART4SW /*!< UART4 Clock source selection */
  549. #define LL_RCC_UART5_CLKSOURCE RCC_CFGR3_UART5SW /*!< UART5 Clock source selection */
  550. /**
  551. * @}
  552. */
  553. #endif /* RCC_CFGR3_UART4SW || RCC_CFGR3_UART5SW */
  554. /** @defgroup RCC_LL_EC_I2C Peripheral I2C get clock source
  555. * @{
  556. */
  557. #define LL_RCC_I2C1_CLKSOURCE RCC_CFGR3_I2C1SW /*!< I2C1 Clock source selection */
  558. #if defined(RCC_CFGR3_I2C2SW)
  559. #define LL_RCC_I2C2_CLKSOURCE RCC_CFGR3_I2C2SW /*!< I2C2 Clock source selection */
  560. #endif /*RCC_CFGR3_I2C2SW*/
  561. #if defined(RCC_CFGR3_I2C3SW)
  562. #define LL_RCC_I2C3_CLKSOURCE RCC_CFGR3_I2C3SW /*!< I2C3 Clock source selection */
  563. #endif /*RCC_CFGR3_I2C3SW*/
  564. /**
  565. * @}
  566. */
  567. #if defined(RCC_CFGR_I2SSRC)
  568. /** @defgroup RCC_LL_EC_I2S Peripheral I2S get clock source
  569. * @{
  570. */
  571. #define LL_RCC_I2S_CLKSOURCE RCC_CFGR_I2SSRC /*!< I2S Clock source selection */
  572. /**
  573. * @}
  574. */
  575. #endif /* RCC_CFGR_I2SSRC */
  576. #if defined(RCC_CFGR3_TIMSW)
  577. /** @defgroup RCC_LL_EC_TIM TIMx Peripheral TIM get clock source
  578. * @{
  579. */
  580. #define LL_RCC_TIM1_CLKSOURCE (RCC_POSITION_TIM1SW - RCC_POSITION_TIM1SW) /*!< TIM1 Clock source selection */
  581. #if defined(RCC_CFGR3_TIM2SW)
  582. #define LL_RCC_TIM2_CLKSOURCE (RCC_POSITION_TIM2SW - RCC_POSITION_TIM1SW) /*!< TIM2 Clock source selection */
  583. #endif /*RCC_CFGR3_TIM2SW*/
  584. #if defined(RCC_CFGR3_TIM8SW)
  585. #define LL_RCC_TIM8_CLKSOURCE (RCC_POSITION_TIM8SW - RCC_POSITION_TIM1SW) /*!< TIM8 Clock source selection */
  586. #endif /*RCC_CFGR3_TIM8SW*/
  587. #if defined(RCC_CFGR3_TIM15SW)
  588. #define LL_RCC_TIM15_CLKSOURCE (RCC_POSITION_TIM15SW - RCC_POSITION_TIM1SW) /*!< TIM15 Clock source selection */
  589. #endif /*RCC_CFGR3_TIM15SW*/
  590. #if defined(RCC_CFGR3_TIM16SW)
  591. #define LL_RCC_TIM16_CLKSOURCE (RCC_POSITION_TIM16SW - RCC_POSITION_TIM1SW) /*!< TIM16 Clock source selection */
  592. #endif /*RCC_CFGR3_TIM16SW*/
  593. #if defined(RCC_CFGR3_TIM17SW)
  594. #define LL_RCC_TIM17_CLKSOURCE (RCC_POSITION_TIM17SW - RCC_POSITION_TIM1SW) /*!< TIM17 Clock source selection */
  595. #endif /*RCC_CFGR3_TIM17SW*/
  596. #if defined(RCC_CFGR3_TIM20SW)
  597. #define LL_RCC_TIM20_CLKSOURCE (RCC_POSITION_TIM20SW - RCC_POSITION_TIM1SW) /*!< TIM20 Clock source selection */
  598. #endif /*RCC_CFGR3_TIM20SW*/
  599. #if defined(RCC_CFGR3_TIM34SW)
  600. #define LL_RCC_TIM34_CLKSOURCE (RCC_POSITION_TIM34SW - RCC_POSITION_TIM1SW) /*!< TIM3/4 Clock source selection */
  601. #endif /*RCC_CFGR3_TIM34SW*/
  602. /**
  603. * @}
  604. */
  605. #endif /* RCC_CFGR3_TIMSW */
  606. #if defined(HRTIM1)
  607. /** @defgroup RCC_LL_EC_HRTIM1 Peripheral HRTIM1 get clock source
  608. * @{
  609. */
  610. #define LL_RCC_HRTIM1_CLKSOURCE RCC_CFGR3_HRTIM1SW /*!< HRTIM1 Clock source selection */
  611. /**
  612. * @}
  613. */
  614. #endif /* HRTIM1 */
  615. #if defined(CEC)
  616. /** @defgroup RCC_LL_EC_CEC Peripheral CEC get clock source
  617. * @{
  618. */
  619. #define LL_RCC_CEC_CLKSOURCE RCC_CFGR3_CECSW /*!< CEC Clock source selection */
  620. /**
  621. * @}
  622. */
  623. #endif /* CEC */
  624. #if defined(USB)
  625. /** @defgroup RCC_LL_EC_USB Peripheral USB get clock source
  626. * @{
  627. */
  628. #define LL_RCC_USB_CLKSOURCE RCC_CFGR_USBPRE /*!< USB Clock source selection */
  629. /**
  630. * @}
  631. */
  632. #endif /* USB */
  633. #if defined(RCC_CFGR_ADCPRE)
  634. /** @defgroup RCC_LL_EC_ADC Peripheral ADC get clock source
  635. * @{
  636. */
  637. #define LL_RCC_ADC_CLKSOURCE RCC_CFGR_ADCPRE /*!< ADC Clock source selection */
  638. /**
  639. * @}
  640. */
  641. #endif /* RCC_CFGR_ADCPRE */
  642. #if defined(RCC_CFGR2_ADC1PRES) || defined(RCC_CFGR2_ADCPRE12) || defined(RCC_CFGR2_ADCPRE34)
  643. /** @defgroup RCC_LL_EC_ADCXX Peripheral ADC get clock source
  644. * @{
  645. */
  646. #if defined(RCC_CFGR2_ADC1PRES)
  647. #define LL_RCC_ADC1_CLKSOURCE RCC_CFGR2_ADC1PRES /*!< ADC1 Clock source selection */
  648. #else
  649. #define LL_RCC_ADC12_CLKSOURCE RCC_CFGR2_ADCPRE12 /*!< ADC12 Clock source selection */
  650. #if defined(RCC_CFGR2_ADCPRE34)
  651. #define LL_RCC_ADC34_CLKSOURCE RCC_CFGR2_ADCPRE34 /*!< ADC34 Clock source selection */
  652. #endif /*RCC_CFGR2_ADCPRE34*/
  653. #endif /*RCC_CFGR2_ADC1PRES*/
  654. /**
  655. * @}
  656. */
  657. #endif /* RCC_CFGR2_ADC1PRES || RCC_CFGR2_ADCPRE12 || RCC_CFGR2_ADCPRE34 */
  658. #if defined(RCC_CFGR_SDPRE)
  659. /** @defgroup RCC_LL_EC_SDADC Peripheral SDADC get clock source
  660. * @{
  661. */
  662. #define LL_RCC_SDADC_CLKSOURCE RCC_CFGR_SDPRE /*!< SDADC Clock source selection */
  663. /**
  664. * @}
  665. */
  666. #endif /* RCC_CFGR_SDPRE */
  667. /** @defgroup RCC_LL_EC_RTC_CLKSOURCE RTC clock source selection
  668. * @{
  669. */
  670. #define LL_RCC_RTC_CLKSOURCE_NONE 0x00000000U /*!< No clock used as RTC clock */
  671. #define LL_RCC_RTC_CLKSOURCE_LSE RCC_BDCR_RTCSEL_0 /*!< LSE oscillator clock used as RTC clock */
  672. #define LL_RCC_RTC_CLKSOURCE_LSI RCC_BDCR_RTCSEL_1 /*!< LSI oscillator clock used as RTC clock */
  673. #define LL_RCC_RTC_CLKSOURCE_HSE_DIV32 RCC_BDCR_RTCSEL /*!< HSE oscillator clock divided by 32 used as RTC clock */
  674. /**
  675. * @}
  676. */
  677. /** @defgroup RCC_LL_EC_PLL_MUL PLL Multiplicator factor
  678. * @{
  679. */
  680. #define LL_RCC_PLL_MUL_2 RCC_CFGR_PLLMUL2 /*!< PLL input clock*2 */
  681. #define LL_RCC_PLL_MUL_3 RCC_CFGR_PLLMUL3 /*!< PLL input clock*3 */
  682. #define LL_RCC_PLL_MUL_4 RCC_CFGR_PLLMUL4 /*!< PLL input clock*4 */
  683. #define LL_RCC_PLL_MUL_5 RCC_CFGR_PLLMUL5 /*!< PLL input clock*5 */
  684. #define LL_RCC_PLL_MUL_6 RCC_CFGR_PLLMUL6 /*!< PLL input clock*6 */
  685. #define LL_RCC_PLL_MUL_7 RCC_CFGR_PLLMUL7 /*!< PLL input clock*7 */
  686. #define LL_RCC_PLL_MUL_8 RCC_CFGR_PLLMUL8 /*!< PLL input clock*8 */
  687. #define LL_RCC_PLL_MUL_9 RCC_CFGR_PLLMUL9 /*!< PLL input clock*9 */
  688. #define LL_RCC_PLL_MUL_10 RCC_CFGR_PLLMUL10 /*!< PLL input clock*10 */
  689. #define LL_RCC_PLL_MUL_11 RCC_CFGR_PLLMUL11 /*!< PLL input clock*11 */
  690. #define LL_RCC_PLL_MUL_12 RCC_CFGR_PLLMUL12 /*!< PLL input clock*12 */
  691. #define LL_RCC_PLL_MUL_13 RCC_CFGR_PLLMUL13 /*!< PLL input clock*13 */
  692. #define LL_RCC_PLL_MUL_14 RCC_CFGR_PLLMUL14 /*!< PLL input clock*14 */
  693. #define LL_RCC_PLL_MUL_15 RCC_CFGR_PLLMUL15 /*!< PLL input clock*15 */
  694. #define LL_RCC_PLL_MUL_16 RCC_CFGR_PLLMUL16 /*!< PLL input clock*16 */
  695. /**
  696. * @}
  697. */
  698. /** @defgroup RCC_LL_EC_PLLSOURCE PLL SOURCE
  699. * @{
  700. */
  701. #define LL_RCC_PLLSOURCE_NONE 0x00000000U /*!< No clock selected as main PLL entry clock source */
  702. #define LL_RCC_PLLSOURCE_HSE RCC_CFGR_PLLSRC_HSE_PREDIV /*!< HSE/PREDIV clock selected as PLL entry clock source */
  703. #if defined(RCC_PLLSRC_PREDIV1_SUPPORT)
  704. #define LL_RCC_PLLSOURCE_HSI RCC_CFGR_PLLSRC_HSI_PREDIV /*!< HSI/PREDIV clock selected as PLL entry clock source */
  705. #else
  706. #define LL_RCC_PLLSOURCE_HSI_DIV_2 RCC_CFGR_PLLSRC_HSI_DIV2 /*!< HSI clock divided by 2 selected as PLL entry clock source */
  707. #define LL_RCC_PLLSOURCE_HSE_DIV_1 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV1) /*!< HSE clock selected as PLL entry clock source */
  708. #define LL_RCC_PLLSOURCE_HSE_DIV_2 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV2) /*!< HSE/2 clock selected as PLL entry clock source */
  709. #define LL_RCC_PLLSOURCE_HSE_DIV_3 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV3) /*!< HSE/3 clock selected as PLL entry clock source */
  710. #define LL_RCC_PLLSOURCE_HSE_DIV_4 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV4) /*!< HSE/4 clock selected as PLL entry clock source */
  711. #define LL_RCC_PLLSOURCE_HSE_DIV_5 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV5) /*!< HSE/5 clock selected as PLL entry clock source */
  712. #define LL_RCC_PLLSOURCE_HSE_DIV_6 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV6) /*!< HSE/6 clock selected as PLL entry clock source */
  713. #define LL_RCC_PLLSOURCE_HSE_DIV_7 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV7) /*!< HSE/7 clock selected as PLL entry clock source */
  714. #define LL_RCC_PLLSOURCE_HSE_DIV_8 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV8) /*!< HSE/8 clock selected as PLL entry clock source */
  715. #define LL_RCC_PLLSOURCE_HSE_DIV_9 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV9) /*!< HSE/9 clock selected as PLL entry clock source */
  716. #define LL_RCC_PLLSOURCE_HSE_DIV_10 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV10) /*!< HSE/10 clock selected as PLL entry clock source */
  717. #define LL_RCC_PLLSOURCE_HSE_DIV_11 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV11) /*!< HSE/11 clock selected as PLL entry clock source */
  718. #define LL_RCC_PLLSOURCE_HSE_DIV_12 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV12) /*!< HSE/12 clock selected as PLL entry clock source */
  719. #define LL_RCC_PLLSOURCE_HSE_DIV_13 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV13) /*!< HSE/13 clock selected as PLL entry clock source */
  720. #define LL_RCC_PLLSOURCE_HSE_DIV_14 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV14) /*!< HSE/14 clock selected as PLL entry clock source */
  721. #define LL_RCC_PLLSOURCE_HSE_DIV_15 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV15) /*!< HSE/15 clock selected as PLL entry clock source */
  722. #define LL_RCC_PLLSOURCE_HSE_DIV_16 (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV16) /*!< HSE/16 clock selected as PLL entry clock source */
  723. #endif /* RCC_PLLSRC_PREDIV1_SUPPORT */
  724. /**
  725. * @}
  726. */
  727. /** @defgroup RCC_LL_EC_PREDIV_DIV PREDIV Division factor
  728. * @{
  729. */
  730. #define LL_RCC_PREDIV_DIV_1 RCC_CFGR2_PREDIV_DIV1 /*!< PREDIV input clock not divided */
  731. #define LL_RCC_PREDIV_DIV_2 RCC_CFGR2_PREDIV_DIV2 /*!< PREDIV input clock divided by 2 */
  732. #define LL_RCC_PREDIV_DIV_3 RCC_CFGR2_PREDIV_DIV3 /*!< PREDIV input clock divided by 3 */
  733. #define LL_RCC_PREDIV_DIV_4 RCC_CFGR2_PREDIV_DIV4 /*!< PREDIV input clock divided by 4 */
  734. #define LL_RCC_PREDIV_DIV_5 RCC_CFGR2_PREDIV_DIV5 /*!< PREDIV input clock divided by 5 */
  735. #define LL_RCC_PREDIV_DIV_6 RCC_CFGR2_PREDIV_DIV6 /*!< PREDIV input clock divided by 6 */
  736. #define LL_RCC_PREDIV_DIV_7 RCC_CFGR2_PREDIV_DIV7 /*!< PREDIV input clock divided by 7 */
  737. #define LL_RCC_PREDIV_DIV_8 RCC_CFGR2_PREDIV_DIV8 /*!< PREDIV input clock divided by 8 */
  738. #define LL_RCC_PREDIV_DIV_9 RCC_CFGR2_PREDIV_DIV9 /*!< PREDIV input clock divided by 9 */
  739. #define LL_RCC_PREDIV_DIV_10 RCC_CFGR2_PREDIV_DIV10 /*!< PREDIV input clock divided by 10 */
  740. #define LL_RCC_PREDIV_DIV_11 RCC_CFGR2_PREDIV_DIV11 /*!< PREDIV input clock divided by 11 */
  741. #define LL_RCC_PREDIV_DIV_12 RCC_CFGR2_PREDIV_DIV12 /*!< PREDIV input clock divided by 12 */
  742. #define LL_RCC_PREDIV_DIV_13 RCC_CFGR2_PREDIV_DIV13 /*!< PREDIV input clock divided by 13 */
  743. #define LL_RCC_PREDIV_DIV_14 RCC_CFGR2_PREDIV_DIV14 /*!< PREDIV input clock divided by 14 */
  744. #define LL_RCC_PREDIV_DIV_15 RCC_CFGR2_PREDIV_DIV15 /*!< PREDIV input clock divided by 15 */
  745. #define LL_RCC_PREDIV_DIV_16 RCC_CFGR2_PREDIV_DIV16 /*!< PREDIV input clock divided by 16 */
  746. /**
  747. * @}
  748. */
  749. /**
  750. * @}
  751. */
  752. /* Exported macro ------------------------------------------------------------*/
  753. /** @defgroup RCC_LL_Exported_Macros RCC Exported Macros
  754. * @{
  755. */
  756. /** @defgroup RCC_LL_EM_WRITE_READ Common Write and read registers Macros
  757. * @{
  758. */
  759. /**
  760. * @brief Write a value in RCC register
  761. * @param __REG__ Register to be written
  762. * @param __VALUE__ Value to be written in the register
  763. * @retval None
  764. */
  765. #define LL_RCC_WriteReg(__REG__, __VALUE__) WRITE_REG(RCC->__REG__, (__VALUE__))
  766. /**
  767. * @brief Read a value in RCC register
  768. * @param __REG__ Register to be read
  769. * @retval Register value
  770. */
  771. #define LL_RCC_ReadReg(__REG__) READ_REG(RCC->__REG__)
  772. /**
  773. * @}
  774. */
  775. /** @defgroup RCC_LL_EM_CALC_FREQ Calculate frequencies
  776. * @{
  777. */
  778. #if defined(RCC_PLLSRC_PREDIV1_SUPPORT)
  779. /**
  780. * @brief Helper macro to calculate the PLLCLK frequency
  781. * @note ex: @ref __LL_RCC_CALC_PLLCLK_FREQ (HSE_VALUE, @ref LL_RCC_PLL_GetMultiplicator()
  782. * , @ref LL_RCC_PLL_GetPrediv());
  783. * @param __INPUTFREQ__ PLL Input frequency (based on HSE/HSI)
  784. * @param __PLLMUL__ This parameter can be one of the following values:
  785. * @arg @ref LL_RCC_PLL_MUL_2
  786. * @arg @ref LL_RCC_PLL_MUL_3
  787. * @arg @ref LL_RCC_PLL_MUL_4
  788. * @arg @ref LL_RCC_PLL_MUL_5
  789. * @arg @ref LL_RCC_PLL_MUL_6
  790. * @arg @ref LL_RCC_PLL_MUL_7
  791. * @arg @ref LL_RCC_PLL_MUL_8
  792. * @arg @ref LL_RCC_PLL_MUL_9
  793. * @arg @ref LL_RCC_PLL_MUL_10
  794. * @arg @ref LL_RCC_PLL_MUL_11
  795. * @arg @ref LL_RCC_PLL_MUL_12
  796. * @arg @ref LL_RCC_PLL_MUL_13
  797. * @arg @ref LL_RCC_PLL_MUL_14
  798. * @arg @ref LL_RCC_PLL_MUL_15
  799. * @arg @ref LL_RCC_PLL_MUL_16
  800. * @param __PLLPREDIV__ This parameter can be one of the following values:
  801. * @arg @ref LL_RCC_PREDIV_DIV_1
  802. * @arg @ref LL_RCC_PREDIV_DIV_2
  803. * @arg @ref LL_RCC_PREDIV_DIV_3
  804. * @arg @ref LL_RCC_PREDIV_DIV_4
  805. * @arg @ref LL_RCC_PREDIV_DIV_5
  806. * @arg @ref LL_RCC_PREDIV_DIV_6
  807. * @arg @ref LL_RCC_PREDIV_DIV_7
  808. * @arg @ref LL_RCC_PREDIV_DIV_8
  809. * @arg @ref LL_RCC_PREDIV_DIV_9
  810. * @arg @ref LL_RCC_PREDIV_DIV_10
  811. * @arg @ref LL_RCC_PREDIV_DIV_11
  812. * @arg @ref LL_RCC_PREDIV_DIV_12
  813. * @arg @ref LL_RCC_PREDIV_DIV_13
  814. * @arg @ref LL_RCC_PREDIV_DIV_14
  815. * @arg @ref LL_RCC_PREDIV_DIV_15
  816. * @arg @ref LL_RCC_PREDIV_DIV_16
  817. * @retval PLL clock frequency (in Hz)
  818. */
  819. #define __LL_RCC_CALC_PLLCLK_FREQ(__INPUTFREQ__, __PLLMUL__, __PLLPREDIV__) \
  820. (((__INPUTFREQ__) / ((((__PLLPREDIV__) & RCC_CFGR2_PREDIV) + 1U))) * ((((__PLLMUL__) & RCC_CFGR_PLLMUL) >> RCC_POSITION_PLLMUL) + 2U))
  821. #else
  822. /**
  823. * @brief Helper macro to calculate the PLLCLK frequency
  824. * @note ex: @ref __LL_RCC_CALC_PLLCLK_FREQ (HSE_VALUE / (@ref LL_RCC_PLL_GetPrediv () + 1), @ref LL_RCC_PLL_GetMultiplicator());
  825. * @param __INPUTFREQ__ PLL Input frequency (based on HSE div Prediv / HSI div 2)
  826. * @param __PLLMUL__ This parameter can be one of the following values:
  827. * @arg @ref LL_RCC_PLL_MUL_2
  828. * @arg @ref LL_RCC_PLL_MUL_3
  829. * @arg @ref LL_RCC_PLL_MUL_4
  830. * @arg @ref LL_RCC_PLL_MUL_5
  831. * @arg @ref LL_RCC_PLL_MUL_6
  832. * @arg @ref LL_RCC_PLL_MUL_7
  833. * @arg @ref LL_RCC_PLL_MUL_8
  834. * @arg @ref LL_RCC_PLL_MUL_9
  835. * @arg @ref LL_RCC_PLL_MUL_10
  836. * @arg @ref LL_RCC_PLL_MUL_11
  837. * @arg @ref LL_RCC_PLL_MUL_12
  838. * @arg @ref LL_RCC_PLL_MUL_13
  839. * @arg @ref LL_RCC_PLL_MUL_14
  840. * @arg @ref LL_RCC_PLL_MUL_15
  841. * @arg @ref LL_RCC_PLL_MUL_16
  842. * @retval PLL clock frequency (in Hz)
  843. */
  844. #define __LL_RCC_CALC_PLLCLK_FREQ(__INPUTFREQ__, __PLLMUL__) \
  845. ((__INPUTFREQ__) * ((((__PLLMUL__) & RCC_CFGR_PLLMUL) >> RCC_POSITION_PLLMUL) + 2U))
  846. #endif /* RCC_PLLSRC_PREDIV1_SUPPORT */
  847. /**
  848. * @brief Helper macro to calculate the HCLK frequency
  849. * @note: __AHBPRESCALER__ be retrieved by @ref LL_RCC_GetAHBPrescaler
  850. * ex: __LL_RCC_CALC_HCLK_FREQ(LL_RCC_GetAHBPrescaler())
  851. * @param __SYSCLKFREQ__ SYSCLK frequency (based on HSE/HSI/PLLCLK)
  852. * @param __AHBPRESCALER__ This parameter can be one of the following values:
  853. * @arg @ref LL_RCC_SYSCLK_DIV_1
  854. * @arg @ref LL_RCC_SYSCLK_DIV_2
  855. * @arg @ref LL_RCC_SYSCLK_DIV_4
  856. * @arg @ref LL_RCC_SYSCLK_DIV_8
  857. * @arg @ref LL_RCC_SYSCLK_DIV_16
  858. * @arg @ref LL_RCC_SYSCLK_DIV_64
  859. * @arg @ref LL_RCC_SYSCLK_DIV_128
  860. * @arg @ref LL_RCC_SYSCLK_DIV_256
  861. * @arg @ref LL_RCC_SYSCLK_DIV_512
  862. * @retval HCLK clock frequency (in Hz)
  863. */
  864. #define __LL_RCC_CALC_HCLK_FREQ(__SYSCLKFREQ__, __AHBPRESCALER__) ((__SYSCLKFREQ__) >> AHBPrescTable[((__AHBPRESCALER__) & RCC_CFGR_HPRE) >> RCC_CFGR_HPRE_Pos])
  865. /**
  866. * @brief Helper macro to calculate the PCLK1 frequency (ABP1)
  867. * @note: __APB1PRESCALER__ be retrieved by @ref LL_RCC_GetAPB1Prescaler
  868. * ex: __LL_RCC_CALC_PCLK1_FREQ(LL_RCC_GetAPB1Prescaler())
  869. * @param __HCLKFREQ__ HCLK frequency
  870. * @param __APB1PRESCALER__: This parameter can be one of the following values:
  871. * @arg @ref LL_RCC_APB1_DIV_1
  872. * @arg @ref LL_RCC_APB1_DIV_2
  873. * @arg @ref LL_RCC_APB1_DIV_4
  874. * @arg @ref LL_RCC_APB1_DIV_8
  875. * @arg @ref LL_RCC_APB1_DIV_16
  876. * @retval PCLK1 clock frequency (in Hz)
  877. */
  878. #define __LL_RCC_CALC_PCLK1_FREQ(__HCLKFREQ__, __APB1PRESCALER__) ((__HCLKFREQ__) >> APBPrescTable[(__APB1PRESCALER__) >> RCC_CFGR_PPRE1_Pos])
  879. /**
  880. * @brief Helper macro to calculate the PCLK2 frequency (ABP2)
  881. * @note: __APB2PRESCALER__ be retrieved by @ref LL_RCC_GetAPB2Prescaler
  882. * ex: __LL_RCC_CALC_PCLK2_FREQ(LL_RCC_GetAPB2Prescaler())
  883. * @param __HCLKFREQ__ HCLK frequency
  884. * @param __APB2PRESCALER__: This parameter can be one of the following values:
  885. * @arg @ref LL_RCC_APB2_DIV_1
  886. * @arg @ref LL_RCC_APB2_DIV_2
  887. * @arg @ref LL_RCC_APB2_DIV_4
  888. * @arg @ref LL_RCC_APB2_DIV_8
  889. * @arg @ref LL_RCC_APB2_DIV_16
  890. * @retval PCLK2 clock frequency (in Hz)
  891. */
  892. #define __LL_RCC_CALC_PCLK2_FREQ(__HCLKFREQ__, __APB2PRESCALER__) ((__HCLKFREQ__) >> APBPrescTable[(__APB2PRESCALER__) >> RCC_CFGR_PPRE2_Pos])
  893. /**
  894. * @}
  895. */
  896. /**
  897. * @}
  898. */
  899. /* Exported functions --------------------------------------------------------*/
  900. /** @defgroup RCC_LL_Exported_Functions RCC Exported Functions
  901. * @{
  902. */
  903. /** @defgroup RCC_LL_EF_HSE HSE
  904. * @{
  905. */
  906. /**
  907. * @brief Enable the Clock Security System.
  908. * @rmtoll CR CSSON LL_RCC_HSE_EnableCSS
  909. * @retval None
  910. */
  911. __STATIC_INLINE void LL_RCC_HSE_EnableCSS(void)
  912. {
  913. SET_BIT(RCC->CR, RCC_CR_CSSON);
  914. }
  915. /**
  916. * @brief Disable the Clock Security System.
  917. * @note Cannot be disabled in HSE is ready (only by hardware)
  918. * @rmtoll CR CSSON LL_RCC_HSE_DisableCSS
  919. * @retval None
  920. */
  921. __STATIC_INLINE void LL_RCC_HSE_DisableCSS(void)
  922. {
  923. CLEAR_BIT(RCC->CR, RCC_CR_CSSON);
  924. }
  925. /**
  926. * @brief Enable HSE external oscillator (HSE Bypass)
  927. * @rmtoll CR HSEBYP LL_RCC_HSE_EnableBypass
  928. * @retval None
  929. */
  930. __STATIC_INLINE void LL_RCC_HSE_EnableBypass(void)
  931. {
  932. SET_BIT(RCC->CR, RCC_CR_HSEBYP);
  933. }
  934. /**
  935. * @brief Disable HSE external oscillator (HSE Bypass)
  936. * @rmtoll CR HSEBYP LL_RCC_HSE_DisableBypass
  937. * @retval None
  938. */
  939. __STATIC_INLINE void LL_RCC_HSE_DisableBypass(void)
  940. {
  941. CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP);
  942. }
  943. /**
  944. * @brief Enable HSE crystal oscillator (HSE ON)
  945. * @rmtoll CR HSEON LL_RCC_HSE_Enable
  946. * @retval None
  947. */
  948. __STATIC_INLINE void LL_RCC_HSE_Enable(void)
  949. {
  950. SET_BIT(RCC->CR, RCC_CR_HSEON);
  951. }
  952. /**
  953. * @brief Disable HSE crystal oscillator (HSE ON)
  954. * @rmtoll CR HSEON LL_RCC_HSE_Disable
  955. * @retval None
  956. */
  957. __STATIC_INLINE void LL_RCC_HSE_Disable(void)
  958. {
  959. CLEAR_BIT(RCC->CR, RCC_CR_HSEON);
  960. }
  961. /**
  962. * @brief Check if HSE oscillator Ready
  963. * @rmtoll CR HSERDY LL_RCC_HSE_IsReady
  964. * @retval State of bit (1 or 0).
  965. */
  966. __STATIC_INLINE uint32_t LL_RCC_HSE_IsReady(void)
  967. {
  968. return (READ_BIT(RCC->CR, RCC_CR_HSERDY) == (RCC_CR_HSERDY));
  969. }
  970. /**
  971. * @}
  972. */
  973. /** @defgroup RCC_LL_EF_HSI HSI
  974. * @{
  975. */
  976. /**
  977. * @brief Enable HSI oscillator
  978. * @rmtoll CR HSION LL_RCC_HSI_Enable
  979. * @retval None
  980. */
  981. __STATIC_INLINE void LL_RCC_HSI_Enable(void)
  982. {
  983. SET_BIT(RCC->CR, RCC_CR_HSION);
  984. }
  985. /**
  986. * @brief Disable HSI oscillator
  987. * @rmtoll CR HSION LL_RCC_HSI_Disable
  988. * @retval None
  989. */
  990. __STATIC_INLINE void LL_RCC_HSI_Disable(void)
  991. {
  992. CLEAR_BIT(RCC->CR, RCC_CR_HSION);
  993. }
  994. /**
  995. * @brief Check if HSI clock is ready
  996. * @rmtoll CR HSIRDY LL_RCC_HSI_IsReady
  997. * @retval State of bit (1 or 0).
  998. */
  999. __STATIC_INLINE uint32_t LL_RCC_HSI_IsReady(void)
  1000. {
  1001. return (READ_BIT(RCC->CR, RCC_CR_HSIRDY) == (RCC_CR_HSIRDY));
  1002. }
  1003. /**
  1004. * @brief Get HSI Calibration value
  1005. * @note When HSITRIM is written, HSICAL is updated with the sum of
  1006. * HSITRIM and the factory trim value
  1007. * @rmtoll CR HSICAL LL_RCC_HSI_GetCalibration
  1008. * @retval Between Min_Data = 0x00 and Max_Data = 0xFF
  1009. */
  1010. __STATIC_INLINE uint32_t LL_RCC_HSI_GetCalibration(void)
  1011. {
  1012. return (uint32_t)(READ_BIT(RCC->CR, RCC_CR_HSICAL) >> RCC_CR_HSICAL_Pos);
  1013. }
  1014. /**
  1015. * @brief Set HSI Calibration trimming
  1016. * @note user-programmable trimming value that is added to the HSICAL
  1017. * @note Default value is 16, which, when added to the HSICAL value,
  1018. * should trim the HSI to 16 MHz +/- 1 %
  1019. * @rmtoll CR HSITRIM LL_RCC_HSI_SetCalibTrimming
  1020. * @param Value between Min_Data = 0x00 and Max_Data = 0x1F
  1021. * @retval None
  1022. */
  1023. __STATIC_INLINE void LL_RCC_HSI_SetCalibTrimming(uint32_t Value)
  1024. {
  1025. MODIFY_REG(RCC->CR, RCC_CR_HSITRIM, Value << RCC_CR_HSITRIM_Pos);
  1026. }
  1027. /**
  1028. * @brief Get HSI Calibration trimming
  1029. * @rmtoll CR HSITRIM LL_RCC_HSI_GetCalibTrimming
  1030. * @retval Between Min_Data = 0x00 and Max_Data = 0x1F
  1031. */
  1032. __STATIC_INLINE uint32_t LL_RCC_HSI_GetCalibTrimming(void)
  1033. {
  1034. return (uint32_t)(READ_BIT(RCC->CR, RCC_CR_HSITRIM) >> RCC_CR_HSITRIM_Pos);
  1035. }
  1036. /**
  1037. * @}
  1038. */
  1039. /** @defgroup RCC_LL_EF_LSE LSE
  1040. * @{
  1041. */
  1042. /**
  1043. * @brief Enable Low Speed External (LSE) crystal.
  1044. * @rmtoll BDCR LSEON LL_RCC_LSE_Enable
  1045. * @retval None
  1046. */
  1047. __STATIC_INLINE void LL_RCC_LSE_Enable(void)
  1048. {
  1049. SET_BIT(RCC->BDCR, RCC_BDCR_LSEON);
  1050. }
  1051. /**
  1052. * @brief Disable Low Speed External (LSE) crystal.
  1053. * @rmtoll BDCR LSEON LL_RCC_LSE_Disable
  1054. * @retval None
  1055. */
  1056. __STATIC_INLINE void LL_RCC_LSE_Disable(void)
  1057. {
  1058. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON);
  1059. }
  1060. /**
  1061. * @brief Enable external clock source (LSE bypass).
  1062. * @rmtoll BDCR LSEBYP LL_RCC_LSE_EnableBypass
  1063. * @retval None
  1064. */
  1065. __STATIC_INLINE void LL_RCC_LSE_EnableBypass(void)
  1066. {
  1067. SET_BIT(RCC->BDCR, RCC_BDCR_LSEBYP);
  1068. }
  1069. /**
  1070. * @brief Disable external clock source (LSE bypass).
  1071. * @rmtoll BDCR LSEBYP LL_RCC_LSE_DisableBypass
  1072. * @retval None
  1073. */
  1074. __STATIC_INLINE void LL_RCC_LSE_DisableBypass(void)
  1075. {
  1076. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP);
  1077. }
  1078. /**
  1079. * @brief Set LSE oscillator drive capability
  1080. * @note The oscillator is in Xtal mode when it is not in bypass mode.
  1081. * @rmtoll BDCR LSEDRV LL_RCC_LSE_SetDriveCapability
  1082. * @param LSEDrive This parameter can be one of the following values:
  1083. * @arg @ref LL_RCC_LSEDRIVE_LOW
  1084. * @arg @ref LL_RCC_LSEDRIVE_MEDIUMLOW
  1085. * @arg @ref LL_RCC_LSEDRIVE_MEDIUMHIGH
  1086. * @arg @ref LL_RCC_LSEDRIVE_HIGH
  1087. * @retval None
  1088. */
  1089. __STATIC_INLINE void LL_RCC_LSE_SetDriveCapability(uint32_t LSEDrive)
  1090. {
  1091. MODIFY_REG(RCC->BDCR, RCC_BDCR_LSEDRV, LSEDrive);
  1092. }
  1093. /**
  1094. * @brief Get LSE oscillator drive capability
  1095. * @rmtoll BDCR LSEDRV LL_RCC_LSE_GetDriveCapability
  1096. * @retval Returned value can be one of the following values:
  1097. * @arg @ref LL_RCC_LSEDRIVE_LOW
  1098. * @arg @ref LL_RCC_LSEDRIVE_MEDIUMLOW
  1099. * @arg @ref LL_RCC_LSEDRIVE_MEDIUMHIGH
  1100. * @arg @ref LL_RCC_LSEDRIVE_HIGH
  1101. */
  1102. __STATIC_INLINE uint32_t LL_RCC_LSE_GetDriveCapability(void)
  1103. {
  1104. return (uint32_t)(READ_BIT(RCC->BDCR, RCC_BDCR_LSEDRV));
  1105. }
  1106. /**
  1107. * @brief Check if LSE oscillator Ready
  1108. * @rmtoll BDCR LSERDY LL_RCC_LSE_IsReady
  1109. * @retval State of bit (1 or 0).
  1110. */
  1111. __STATIC_INLINE uint32_t LL_RCC_LSE_IsReady(void)
  1112. {
  1113. return (READ_BIT(RCC->BDCR, RCC_BDCR_LSERDY) == (RCC_BDCR_LSERDY));
  1114. }
  1115. /**
  1116. * @}
  1117. */
  1118. /** @defgroup RCC_LL_EF_LSI LSI
  1119. * @{
  1120. */
  1121. /**
  1122. * @brief Enable LSI Oscillator
  1123. * @rmtoll CSR LSION LL_RCC_LSI_Enable
  1124. * @retval None
  1125. */
  1126. __STATIC_INLINE void LL_RCC_LSI_Enable(void)
  1127. {
  1128. SET_BIT(RCC->CSR, RCC_CSR_LSION);
  1129. }
  1130. /**
  1131. * @brief Disable LSI Oscillator
  1132. * @rmtoll CSR LSION LL_RCC_LSI_Disable
  1133. * @retval None
  1134. */
  1135. __STATIC_INLINE void LL_RCC_LSI_Disable(void)
  1136. {
  1137. CLEAR_BIT(RCC->CSR, RCC_CSR_LSION);
  1138. }
  1139. /**
  1140. * @brief Check if LSI is Ready
  1141. * @rmtoll CSR LSIRDY LL_RCC_LSI_IsReady
  1142. * @retval State of bit (1 or 0).
  1143. */
  1144. __STATIC_INLINE uint32_t LL_RCC_LSI_IsReady(void)
  1145. {
  1146. return (READ_BIT(RCC->CSR, RCC_CSR_LSIRDY) == (RCC_CSR_LSIRDY));
  1147. }
  1148. /**
  1149. * @}
  1150. */
  1151. /** @defgroup RCC_LL_EF_System System
  1152. * @{
  1153. */
  1154. /**
  1155. * @brief Configure the system clock source
  1156. * @rmtoll CFGR SW LL_RCC_SetSysClkSource
  1157. * @param Source This parameter can be one of the following values:
  1158. * @arg @ref LL_RCC_SYS_CLKSOURCE_HSI
  1159. * @arg @ref LL_RCC_SYS_CLKSOURCE_HSE
  1160. * @arg @ref LL_RCC_SYS_CLKSOURCE_PLL
  1161. * @retval None
  1162. */
  1163. __STATIC_INLINE void LL_RCC_SetSysClkSource(uint32_t Source)
  1164. {
  1165. MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, Source);
  1166. }
  1167. /**
  1168. * @brief Get the system clock source
  1169. * @rmtoll CFGR SWS LL_RCC_GetSysClkSource
  1170. * @retval Returned value can be one of the following values:
  1171. * @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_HSI
  1172. * @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_HSE
  1173. * @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_PLL
  1174. */
  1175. __STATIC_INLINE uint32_t LL_RCC_GetSysClkSource(void)
  1176. {
  1177. return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_SWS));
  1178. }
  1179. /**
  1180. * @brief Set AHB prescaler
  1181. * @rmtoll CFGR HPRE LL_RCC_SetAHBPrescaler
  1182. * @param Prescaler This parameter can be one of the following values:
  1183. * @arg @ref LL_RCC_SYSCLK_DIV_1
  1184. * @arg @ref LL_RCC_SYSCLK_DIV_2
  1185. * @arg @ref LL_RCC_SYSCLK_DIV_4
  1186. * @arg @ref LL_RCC_SYSCLK_DIV_8
  1187. * @arg @ref LL_RCC_SYSCLK_DIV_16
  1188. * @arg @ref LL_RCC_SYSCLK_DIV_64
  1189. * @arg @ref LL_RCC_SYSCLK_DIV_128
  1190. * @arg @ref LL_RCC_SYSCLK_DIV_256
  1191. * @arg @ref LL_RCC_SYSCLK_DIV_512
  1192. * @retval None
  1193. */
  1194. __STATIC_INLINE void LL_RCC_SetAHBPrescaler(uint32_t Prescaler)
  1195. {
  1196. MODIFY_REG(RCC->CFGR, RCC_CFGR_HPRE, Prescaler);
  1197. }
  1198. /**
  1199. * @brief Set APB1 prescaler
  1200. * @rmtoll CFGR PPRE1 LL_RCC_SetAPB1Prescaler
  1201. * @param Prescaler This parameter can be one of the following values:
  1202. * @arg @ref LL_RCC_APB1_DIV_1
  1203. * @arg @ref LL_RCC_APB1_DIV_2
  1204. * @arg @ref LL_RCC_APB1_DIV_4
  1205. * @arg @ref LL_RCC_APB1_DIV_8
  1206. * @arg @ref LL_RCC_APB1_DIV_16
  1207. * @retval None
  1208. */
  1209. __STATIC_INLINE void LL_RCC_SetAPB1Prescaler(uint32_t Prescaler)
  1210. {
  1211. MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE1, Prescaler);
  1212. }
  1213. /**
  1214. * @brief Set APB2 prescaler
  1215. * @rmtoll CFGR PPRE2 LL_RCC_SetAPB2Prescaler
  1216. * @param Prescaler This parameter can be one of the following values:
  1217. * @arg @ref LL_RCC_APB2_DIV_1
  1218. * @arg @ref LL_RCC_APB2_DIV_2
  1219. * @arg @ref LL_RCC_APB2_DIV_4
  1220. * @arg @ref LL_RCC_APB2_DIV_8
  1221. * @arg @ref LL_RCC_APB2_DIV_16
  1222. * @retval None
  1223. */
  1224. __STATIC_INLINE void LL_RCC_SetAPB2Prescaler(uint32_t Prescaler)
  1225. {
  1226. MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE2, Prescaler);
  1227. }
  1228. /**
  1229. * @brief Get AHB prescaler
  1230. * @rmtoll CFGR HPRE LL_RCC_GetAHBPrescaler
  1231. * @retval Returned value can be one of the following values:
  1232. * @arg @ref LL_RCC_SYSCLK_DIV_1
  1233. * @arg @ref LL_RCC_SYSCLK_DIV_2
  1234. * @arg @ref LL_RCC_SYSCLK_DIV_4
  1235. * @arg @ref LL_RCC_SYSCLK_DIV_8
  1236. * @arg @ref LL_RCC_SYSCLK_DIV_16
  1237. * @arg @ref LL_RCC_SYSCLK_DIV_64
  1238. * @arg @ref LL_RCC_SYSCLK_DIV_128
  1239. * @arg @ref LL_RCC_SYSCLK_DIV_256
  1240. * @arg @ref LL_RCC_SYSCLK_DIV_512
  1241. */
  1242. __STATIC_INLINE uint32_t LL_RCC_GetAHBPrescaler(void)
  1243. {
  1244. return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_HPRE));
  1245. }
  1246. /**
  1247. * @brief Get APB1 prescaler
  1248. * @rmtoll CFGR PPRE1 LL_RCC_GetAPB1Prescaler
  1249. * @retval Returned value can be one of the following values:
  1250. * @arg @ref LL_RCC_APB1_DIV_1
  1251. * @arg @ref LL_RCC_APB1_DIV_2
  1252. * @arg @ref LL_RCC_APB1_DIV_4
  1253. * @arg @ref LL_RCC_APB1_DIV_8
  1254. * @arg @ref LL_RCC_APB1_DIV_16
  1255. */
  1256. __STATIC_INLINE uint32_t LL_RCC_GetAPB1Prescaler(void)
  1257. {
  1258. return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PPRE1));
  1259. }
  1260. /**
  1261. * @brief Get APB2 prescaler
  1262. * @rmtoll CFGR PPRE2 LL_RCC_GetAPB2Prescaler
  1263. * @retval Returned value can be one of the following values:
  1264. * @arg @ref LL_RCC_APB2_DIV_1
  1265. * @arg @ref LL_RCC_APB2_DIV_2
  1266. * @arg @ref LL_RCC_APB2_DIV_4
  1267. * @arg @ref LL_RCC_APB2_DIV_8
  1268. * @arg @ref LL_RCC_APB2_DIV_16
  1269. */
  1270. __STATIC_INLINE uint32_t LL_RCC_GetAPB2Prescaler(void)
  1271. {
  1272. return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PPRE2));
  1273. }
  1274. /**
  1275. * @}
  1276. */
  1277. /** @defgroup RCC_LL_EF_MCO MCO
  1278. * @{
  1279. */
  1280. /**
  1281. * @brief Configure MCOx
  1282. * @rmtoll CFGR MCO LL_RCC_ConfigMCO\n
  1283. * CFGR MCOPRE LL_RCC_ConfigMCO\n
  1284. * CFGR PLLNODIV LL_RCC_ConfigMCO
  1285. * @param MCOxSource This parameter can be one of the following values:
  1286. * @arg @ref LL_RCC_MCO1SOURCE_NOCLOCK
  1287. * @arg @ref LL_RCC_MCO1SOURCE_SYSCLK
  1288. * @arg @ref LL_RCC_MCO1SOURCE_HSI
  1289. * @arg @ref LL_RCC_MCO1SOURCE_HSE
  1290. * @arg @ref LL_RCC_MCO1SOURCE_LSI
  1291. * @arg @ref LL_RCC_MCO1SOURCE_LSE
  1292. * @arg @ref LL_RCC_MCO1SOURCE_PLLCLK (*)
  1293. * @arg @ref LL_RCC_MCO1SOURCE_PLLCLK_DIV_2
  1294. *
  1295. * (*) value not defined in all devices
  1296. * @param MCOxPrescaler This parameter can be one of the following values:
  1297. * @arg @ref LL_RCC_MCO1_DIV_1
  1298. * @arg @ref LL_RCC_MCO1_DIV_2 (*)
  1299. * @arg @ref LL_RCC_MCO1_DIV_4 (*)
  1300. * @arg @ref LL_RCC_MCO1_DIV_8 (*)
  1301. * @arg @ref LL_RCC_MCO1_DIV_16 (*)
  1302. * @arg @ref LL_RCC_MCO1_DIV_32 (*)
  1303. * @arg @ref LL_RCC_MCO1_DIV_64 (*)
  1304. * @arg @ref LL_RCC_MCO1_DIV_128 (*)
  1305. *
  1306. * (*) value not defined in all devices
  1307. * @retval None
  1308. */
  1309. __STATIC_INLINE void LL_RCC_ConfigMCO(uint32_t MCOxSource, uint32_t MCOxPrescaler)
  1310. {
  1311. #if defined(RCC_CFGR_MCOPRE)
  1312. #if defined(RCC_CFGR_PLLNODIV)
  1313. MODIFY_REG(RCC->CFGR, RCC_CFGR_MCOSEL | RCC_CFGR_MCOPRE | RCC_CFGR_PLLNODIV, MCOxSource | MCOxPrescaler);
  1314. #else
  1315. MODIFY_REG(RCC->CFGR, RCC_CFGR_MCOSEL | RCC_CFGR_MCOPRE, MCOxSource | MCOxPrescaler);
  1316. #endif /* RCC_CFGR_PLLNODIV */
  1317. #else
  1318. MODIFY_REG(RCC->CFGR, RCC_CFGR_MCOSEL, MCOxSource);
  1319. #endif /* RCC_CFGR_MCOPRE */
  1320. }
  1321. /**
  1322. * @}
  1323. */
  1324. /** @defgroup RCC_LL_EF_Peripheral_Clock_Source Peripheral Clock Source
  1325. * @{
  1326. */
  1327. /**
  1328. * @brief Configure USARTx clock source
  1329. * @rmtoll CFGR3 USART1SW LL_RCC_SetUSARTClockSource\n
  1330. * CFGR3 USART2SW LL_RCC_SetUSARTClockSource\n
  1331. * CFGR3 USART3SW LL_RCC_SetUSARTClockSource
  1332. * @param USARTxSource This parameter can be one of the following values:
  1333. * @arg @ref LL_RCC_USART1_CLKSOURCE_PCLK1 (*)
  1334. * @arg @ref LL_RCC_USART1_CLKSOURCE_PCLK2 (*)
  1335. * @arg @ref LL_RCC_USART1_CLKSOURCE_SYSCLK
  1336. * @arg @ref LL_RCC_USART1_CLKSOURCE_LSE
  1337. * @arg @ref LL_RCC_USART1_CLKSOURCE_HSI
  1338. * @arg @ref LL_RCC_USART2_CLKSOURCE_PCLK1 (*)
  1339. * @arg @ref LL_RCC_USART2_CLKSOURCE_SYSCLK (*)
  1340. * @arg @ref LL_RCC_USART2_CLKSOURCE_LSE (*)
  1341. * @arg @ref LL_RCC_USART2_CLKSOURCE_HSI (*)
  1342. * @arg @ref LL_RCC_USART3_CLKSOURCE_PCLK1 (*)
  1343. * @arg @ref LL_RCC_USART3_CLKSOURCE_SYSCLK (*)
  1344. * @arg @ref LL_RCC_USART3_CLKSOURCE_LSE (*)
  1345. * @arg @ref LL_RCC_USART3_CLKSOURCE_HSI (*)
  1346. *
  1347. * (*) value not defined in all devices.
  1348. * @retval None
  1349. */
  1350. __STATIC_INLINE void LL_RCC_SetUSARTClockSource(uint32_t USARTxSource)
  1351. {
  1352. MODIFY_REG(RCC->CFGR3, (RCC_CFGR3_USART1SW << ((USARTxSource & 0xFF000000U) >> 24U)), (USARTxSource & 0x00FFFFFFU));
  1353. }
  1354. #if defined(RCC_CFGR3_UART4SW) || defined(RCC_CFGR3_UART5SW)
  1355. /**
  1356. * @brief Configure UARTx clock source
  1357. * @rmtoll CFGR3 UART4SW LL_RCC_SetUARTClockSource\n
  1358. * CFGR3 UART5SW LL_RCC_SetUARTClockSource
  1359. * @param UARTxSource This parameter can be one of the following values:
  1360. * @arg @ref LL_RCC_UART4_CLKSOURCE_PCLK1
  1361. * @arg @ref LL_RCC_UART4_CLKSOURCE_SYSCLK
  1362. * @arg @ref LL_RCC_UART4_CLKSOURCE_LSE
  1363. * @arg @ref LL_RCC_UART4_CLKSOURCE_HSI
  1364. * @arg @ref LL_RCC_UART5_CLKSOURCE_PCLK1
  1365. * @arg @ref LL_RCC_UART5_CLKSOURCE_SYSCLK
  1366. * @arg @ref LL_RCC_UART5_CLKSOURCE_LSE
  1367. * @arg @ref LL_RCC_UART5_CLKSOURCE_HSI
  1368. * @retval None
  1369. */
  1370. __STATIC_INLINE void LL_RCC_SetUARTClockSource(uint32_t UARTxSource)
  1371. {
  1372. MODIFY_REG(RCC->CFGR3, ((UARTxSource & 0x0000FFFFU) << 8U), (UARTxSource & (RCC_CFGR3_UART4SW | RCC_CFGR3_UART5SW)));
  1373. }
  1374. #endif /* RCC_CFGR3_UART4SW || RCC_CFGR3_UART5SW */
  1375. /**
  1376. * @brief Configure I2Cx clock source
  1377. * @rmtoll CFGR3 I2C1SW LL_RCC_SetI2CClockSource\n
  1378. * CFGR3 I2C2SW LL_RCC_SetI2CClockSource\n
  1379. * CFGR3 I2C3SW LL_RCC_SetI2CClockSource
  1380. * @param I2CxSource This parameter can be one of the following values:
  1381. * @arg @ref LL_RCC_I2C1_CLKSOURCE_HSI
  1382. * @arg @ref LL_RCC_I2C1_CLKSOURCE_SYSCLK
  1383. * @arg @ref LL_RCC_I2C2_CLKSOURCE_HSI (*)
  1384. * @arg @ref LL_RCC_I2C2_CLKSOURCE_SYSCLK (*)
  1385. * @arg @ref LL_RCC_I2C3_CLKSOURCE_HSI (*)
  1386. * @arg @ref LL_RCC_I2C3_CLKSOURCE_SYSCLK (*)
  1387. *
  1388. * (*) value not defined in all devices.
  1389. * @retval None
  1390. */
  1391. __STATIC_INLINE void LL_RCC_SetI2CClockSource(uint32_t I2CxSource)
  1392. {
  1393. MODIFY_REG(RCC->CFGR3, ((I2CxSource & 0xFF000000U) >> 24U), (I2CxSource & 0x00FFFFFFU));
  1394. }
  1395. #if defined(RCC_CFGR_I2SSRC)
  1396. /**
  1397. * @brief Configure I2Sx clock source
  1398. * @rmtoll CFGR I2SSRC LL_RCC_SetI2SClockSource
  1399. * @param I2SxSource This parameter can be one of the following values:
  1400. * @arg @ref LL_RCC_I2S_CLKSOURCE_SYSCLK
  1401. * @arg @ref LL_RCC_I2S_CLKSOURCE_PIN
  1402. * @retval None
  1403. */
  1404. __STATIC_INLINE void LL_RCC_SetI2SClockSource(uint32_t I2SxSource)
  1405. {
  1406. MODIFY_REG(RCC->CFGR, RCC_CFGR_I2SSRC, I2SxSource);
  1407. }
  1408. #endif /* RCC_CFGR_I2SSRC */
  1409. #if defined(RCC_CFGR3_TIMSW)
  1410. /**
  1411. * @brief Configure TIMx clock source
  1412. * @rmtoll CFGR3 TIM1SW LL_RCC_SetTIMClockSource\n
  1413. * CFGR3 TIM8SW LL_RCC_SetTIMClockSource\n
  1414. * CFGR3 TIM15SW LL_RCC_SetTIMClockSource\n
  1415. * CFGR3 TIM16SW LL_RCC_SetTIMClockSource\n
  1416. * CFGR3 TIM17SW LL_RCC_SetTIMClockSource\n
  1417. * CFGR3 TIM20SW LL_RCC_SetTIMClockSource\n
  1418. * CFGR3 TIM2SW LL_RCC_SetTIMClockSource\n
  1419. * CFGR3 TIM34SW LL_RCC_SetTIMClockSource
  1420. * @param TIMxSource This parameter can be one of the following values:
  1421. * @arg @ref LL_RCC_TIM1_CLKSOURCE_PCLK2
  1422. * @arg @ref LL_RCC_TIM1_CLKSOURCE_PLL
  1423. * @arg @ref LL_RCC_TIM8_CLKSOURCE_PCLK2 (*)
  1424. * @arg @ref LL_RCC_TIM8_CLKSOURCE_PLL (*)
  1425. * @arg @ref LL_RCC_TIM15_CLKSOURCE_PCLK2 (*)
  1426. * @arg @ref LL_RCC_TIM15_CLKSOURCE_PLL (*)
  1427. * @arg @ref LL_RCC_TIM16_CLKSOURCE_PCLK2 (*)
  1428. * @arg @ref LL_RCC_TIM16_CLKSOURCE_PLL (*)
  1429. * @arg @ref LL_RCC_TIM17_CLKSOURCE_PCLK2 (*)
  1430. * @arg @ref LL_RCC_TIM17_CLKSOURCE_PLL (*)
  1431. * @arg @ref LL_RCC_TIM20_CLKSOURCE_PCLK2 (*)
  1432. * @arg @ref LL_RCC_TIM20_CLKSOURCE_PLL (*)
  1433. * @arg @ref LL_RCC_TIM2_CLKSOURCE_PCLK1 (*)
  1434. * @arg @ref LL_RCC_TIM2_CLKSOURCE_PLL (*)
  1435. * @arg @ref LL_RCC_TIM34_CLKSOURCE_PCLK1 (*)
  1436. * @arg @ref LL_RCC_TIM34_CLKSOURCE_PLL (*)
  1437. *
  1438. * (*) value not defined in all devices.
  1439. * @retval None
  1440. */
  1441. __STATIC_INLINE void LL_RCC_SetTIMClockSource(uint32_t TIMxSource)
  1442. {
  1443. MODIFY_REG(RCC->CFGR3, (RCC_CFGR3_TIM1SW << (TIMxSource >> 27U)), (TIMxSource & 0x03FFFFFFU));
  1444. }
  1445. #endif /* RCC_CFGR3_TIMSW */
  1446. #if defined(HRTIM1)
  1447. /**
  1448. * @brief Configure HRTIMx clock source
  1449. * @rmtoll CFGR3 HRTIMSW LL_RCC_SetHRTIMClockSource
  1450. * @param HRTIMxSource This parameter can be one of the following values:
  1451. * @arg @ref LL_RCC_HRTIM1_CLKSOURCE_PCLK2
  1452. * @arg @ref LL_RCC_HRTIM1_CLKSOURCE_PLL
  1453. * @retval None
  1454. */
  1455. __STATIC_INLINE void LL_RCC_SetHRTIMClockSource(uint32_t HRTIMxSource)
  1456. {
  1457. MODIFY_REG(RCC->CFGR3, RCC_CFGR3_HRTIMSW, HRTIMxSource);
  1458. }
  1459. #endif /* HRTIM1 */
  1460. #if defined(CEC)
  1461. /**
  1462. * @brief Configure CEC clock source
  1463. * @rmtoll CFGR3 CECSW LL_RCC_SetCECClockSource
  1464. * @param CECxSource This parameter can be one of the following values:
  1465. * @arg @ref LL_RCC_CEC_CLKSOURCE_HSI_DIV244
  1466. * @arg @ref LL_RCC_CEC_CLKSOURCE_LSE
  1467. * @retval None
  1468. */
  1469. __STATIC_INLINE void LL_RCC_SetCECClockSource(uint32_t CECxSource)
  1470. {
  1471. MODIFY_REG(RCC->CFGR3, RCC_CFGR3_CECSW, CECxSource);
  1472. }
  1473. #endif /* CEC */
  1474. #if defined(USB)
  1475. /**
  1476. * @brief Configure USB clock source
  1477. * @rmtoll CFGR USBPRE LL_RCC_SetUSBClockSource
  1478. * @param USBxSource This parameter can be one of the following values:
  1479. * @arg @ref LL_RCC_USB_CLKSOURCE_PLL
  1480. * @arg @ref LL_RCC_USB_CLKSOURCE_PLL_DIV_1_5
  1481. * @retval None
  1482. */
  1483. __STATIC_INLINE void LL_RCC_SetUSBClockSource(uint32_t USBxSource)
  1484. {
  1485. MODIFY_REG(RCC->CFGR, RCC_CFGR_USBPRE, USBxSource);
  1486. }
  1487. #endif /* USB */
  1488. #if defined(RCC_CFGR_ADCPRE)
  1489. /**
  1490. * @brief Configure ADC clock source
  1491. * @rmtoll CFGR ADCPRE LL_RCC_SetADCClockSource
  1492. * @param ADCxSource This parameter can be one of the following values:
  1493. * @arg @ref LL_RCC_ADC_CLKSRC_PCLK2_DIV_2
  1494. * @arg @ref LL_RCC_ADC_CLKSRC_PCLK2_DIV_4
  1495. * @arg @ref LL_RCC_ADC_CLKSRC_PCLK2_DIV_6
  1496. * @arg @ref LL_RCC_ADC_CLKSRC_PCLK2_DIV_8
  1497. * @retval None
  1498. */
  1499. __STATIC_INLINE void LL_RCC_SetADCClockSource(uint32_t ADCxSource)
  1500. {
  1501. MODIFY_REG(RCC->CFGR, RCC_CFGR_ADCPRE, ADCxSource);
  1502. }
  1503. #elif defined(RCC_CFGR2_ADC1PRES)
  1504. /**
  1505. * @brief Configure ADC clock source
  1506. * @rmtoll CFGR2 ADC1PRES LL_RCC_SetADCClockSource
  1507. * @param ADCxSource This parameter can be one of the following values:
  1508. * @arg @ref LL_RCC_ADC1_CLKSRC_HCLK
  1509. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_1
  1510. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_2
  1511. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_4
  1512. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_6
  1513. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_8
  1514. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_10
  1515. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_12
  1516. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_16
  1517. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_32
  1518. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_64
  1519. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_128
  1520. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_256
  1521. * @retval None
  1522. */
  1523. __STATIC_INLINE void LL_RCC_SetADCClockSource(uint32_t ADCxSource)
  1524. {
  1525. MODIFY_REG(RCC->CFGR2, RCC_CFGR2_ADC1PRES, ADCxSource);
  1526. }
  1527. #elif defined(RCC_CFGR2_ADCPRE12) || defined(RCC_CFGR2_ADCPRE34)
  1528. /**
  1529. * @brief Configure ADC clock source
  1530. * @rmtoll CFGR2 ADCPRE12 LL_RCC_SetADCClockSource\n
  1531. * CFGR2 ADCPRE34 LL_RCC_SetADCClockSource
  1532. * @param ADCxSource This parameter can be one of the following values:
  1533. * @arg @ref LL_RCC_ADC12_CLKSRC_HCLK
  1534. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_1
  1535. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_2
  1536. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_4
  1537. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_6
  1538. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_8
  1539. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_10
  1540. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_12
  1541. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_16
  1542. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_32
  1543. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_64
  1544. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_128
  1545. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_256
  1546. * @arg @ref LL_RCC_ADC34_CLKSRC_HCLK (*)
  1547. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_1 (*)
  1548. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_2 (*)
  1549. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_4 (*)
  1550. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_6 (*)
  1551. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_8 (*)
  1552. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_10 (*)
  1553. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_12 (*)
  1554. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_16 (*)
  1555. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_32 (*)
  1556. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_64 (*)
  1557. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_128 (*)
  1558. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_256 (*)
  1559. *
  1560. * (*) value not defined in all devices.
  1561. * @retval None
  1562. */
  1563. __STATIC_INLINE void LL_RCC_SetADCClockSource(uint32_t ADCxSource)
  1564. {
  1565. #if defined(RCC_CFGR2_ADCPRE34)
  1566. MODIFY_REG(RCC->CFGR2, (ADCxSource >> 16U), (ADCxSource & 0x0000FFFFU));
  1567. #else
  1568. MODIFY_REG(RCC->CFGR2, RCC_CFGR2_ADCPRE12, ADCxSource);
  1569. #endif /* RCC_CFGR2_ADCPRE34 */
  1570. }
  1571. #endif /* RCC_CFGR_ADCPRE */
  1572. #if defined(RCC_CFGR_SDPRE)
  1573. /**
  1574. * @brief Configure SDADCx clock source
  1575. * @rmtoll CFGR SDPRE LL_RCC_SetSDADCClockSource
  1576. * @param SDADCxSource This parameter can be one of the following values:
  1577. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_1
  1578. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_2
  1579. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_4
  1580. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_6
  1581. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_8
  1582. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_10
  1583. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_12
  1584. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_14
  1585. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_16
  1586. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_20
  1587. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_24
  1588. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_28
  1589. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_32
  1590. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_36
  1591. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_40
  1592. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_44
  1593. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_48
  1594. * @retval None
  1595. */
  1596. __STATIC_INLINE void LL_RCC_SetSDADCClockSource(uint32_t SDADCxSource)
  1597. {
  1598. MODIFY_REG(RCC->CFGR, RCC_CFGR_SDPRE, SDADCxSource);
  1599. }
  1600. #endif /* RCC_CFGR_SDPRE */
  1601. /**
  1602. * @brief Get USARTx clock source
  1603. * @rmtoll CFGR3 USART1SW LL_RCC_GetUSARTClockSource\n
  1604. * CFGR3 USART2SW LL_RCC_GetUSARTClockSource\n
  1605. * CFGR3 USART3SW LL_RCC_GetUSARTClockSource
  1606. * @param USARTx This parameter can be one of the following values:
  1607. * @arg @ref LL_RCC_USART1_CLKSOURCE
  1608. * @arg @ref LL_RCC_USART2_CLKSOURCE (*)
  1609. * @arg @ref LL_RCC_USART3_CLKSOURCE (*)
  1610. *
  1611. * (*) value not defined in all devices.
  1612. * @retval Returned value can be one of the following values:
  1613. * @arg @ref LL_RCC_USART1_CLKSOURCE_PCLK1 (*)
  1614. * @arg @ref LL_RCC_USART1_CLKSOURCE_PCLK2 (*)
  1615. * @arg @ref LL_RCC_USART1_CLKSOURCE_SYSCLK
  1616. * @arg @ref LL_RCC_USART1_CLKSOURCE_LSE
  1617. * @arg @ref LL_RCC_USART1_CLKSOURCE_HSI
  1618. * @arg @ref LL_RCC_USART2_CLKSOURCE_PCLK1 (*)
  1619. * @arg @ref LL_RCC_USART2_CLKSOURCE_SYSCLK (*)
  1620. * @arg @ref LL_RCC_USART2_CLKSOURCE_LSE (*)
  1621. * @arg @ref LL_RCC_USART2_CLKSOURCE_HSI (*)
  1622. * @arg @ref LL_RCC_USART3_CLKSOURCE_PCLK1 (*)
  1623. * @arg @ref LL_RCC_USART3_CLKSOURCE_SYSCLK (*)
  1624. * @arg @ref LL_RCC_USART3_CLKSOURCE_LSE (*)
  1625. * @arg @ref LL_RCC_USART3_CLKSOURCE_HSI (*)
  1626. *
  1627. * (*) value not defined in all devices.
  1628. */
  1629. __STATIC_INLINE uint32_t LL_RCC_GetUSARTClockSource(uint32_t USARTx)
  1630. {
  1631. return (uint32_t)(READ_BIT(RCC->CFGR3, (RCC_CFGR3_USART1SW << USARTx)) | (USARTx << 24U));
  1632. }
  1633. #if defined(RCC_CFGR3_UART4SW) || defined(RCC_CFGR3_UART5SW)
  1634. /**
  1635. * @brief Get UARTx clock source
  1636. * @rmtoll CFGR3 UART4SW LL_RCC_GetUARTClockSource\n
  1637. * CFGR3 UART5SW LL_RCC_GetUARTClockSource
  1638. * @param UARTx This parameter can be one of the following values:
  1639. * @arg @ref LL_RCC_UART4_CLKSOURCE
  1640. * @arg @ref LL_RCC_UART5_CLKSOURCE
  1641. * @retval Returned value can be one of the following values:
  1642. * @arg @ref LL_RCC_UART4_CLKSOURCE_PCLK1
  1643. * @arg @ref LL_RCC_UART4_CLKSOURCE_SYSCLK
  1644. * @arg @ref LL_RCC_UART4_CLKSOURCE_LSE
  1645. * @arg @ref LL_RCC_UART4_CLKSOURCE_HSI
  1646. * @arg @ref LL_RCC_UART5_CLKSOURCE_PCLK1
  1647. * @arg @ref LL_RCC_UART5_CLKSOURCE_SYSCLK
  1648. * @arg @ref LL_RCC_UART5_CLKSOURCE_LSE
  1649. * @arg @ref LL_RCC_UART5_CLKSOURCE_HSI
  1650. */
  1651. __STATIC_INLINE uint32_t LL_RCC_GetUARTClockSource(uint32_t UARTx)
  1652. {
  1653. return (uint32_t)(READ_BIT(RCC->CFGR3, UARTx) | (UARTx >> 8U));
  1654. }
  1655. #endif /* RCC_CFGR3_UART4SW || RCC_CFGR3_UART5SW */
  1656. /**
  1657. * @brief Get I2Cx clock source
  1658. * @rmtoll CFGR3 I2C1SW LL_RCC_GetI2CClockSource\n
  1659. * CFGR3 I2C2SW LL_RCC_GetI2CClockSource\n
  1660. * CFGR3 I2C3SW LL_RCC_GetI2CClockSource
  1661. * @param I2Cx This parameter can be one of the following values:
  1662. * @arg @ref LL_RCC_I2C1_CLKSOURCE
  1663. * @arg @ref LL_RCC_I2C2_CLKSOURCE (*)
  1664. * @arg @ref LL_RCC_I2C3_CLKSOURCE (*)
  1665. *
  1666. * (*) value not defined in all devices.
  1667. * @retval Returned value can be one of the following values:
  1668. * @arg @ref LL_RCC_I2C1_CLKSOURCE_HSI
  1669. * @arg @ref LL_RCC_I2C1_CLKSOURCE_SYSCLK
  1670. * @arg @ref LL_RCC_I2C2_CLKSOURCE_HSI (*)
  1671. * @arg @ref LL_RCC_I2C2_CLKSOURCE_SYSCLK (*)
  1672. * @arg @ref LL_RCC_I2C3_CLKSOURCE_HSI (*)
  1673. * @arg @ref LL_RCC_I2C3_CLKSOURCE_SYSCLK (*)
  1674. *
  1675. * (*) value not defined in all devices.
  1676. */
  1677. __STATIC_INLINE uint32_t LL_RCC_GetI2CClockSource(uint32_t I2Cx)
  1678. {
  1679. return (uint32_t)(READ_BIT(RCC->CFGR3, I2Cx) | (I2Cx << 24U));
  1680. }
  1681. #if defined(RCC_CFGR_I2SSRC)
  1682. /**
  1683. * @brief Get I2Sx clock source
  1684. * @rmtoll CFGR I2SSRC LL_RCC_GetI2SClockSource
  1685. * @param I2Sx This parameter can be one of the following values:
  1686. * @arg @ref LL_RCC_I2S_CLKSOURCE
  1687. * @retval Returned value can be one of the following values:
  1688. * @arg @ref LL_RCC_I2S_CLKSOURCE_SYSCLK
  1689. * @arg @ref LL_RCC_I2S_CLKSOURCE_PIN
  1690. */
  1691. __STATIC_INLINE uint32_t LL_RCC_GetI2SClockSource(uint32_t I2Sx)
  1692. {
  1693. return (uint32_t)(READ_BIT(RCC->CFGR, I2Sx));
  1694. }
  1695. #endif /* RCC_CFGR_I2SSRC */
  1696. #if defined(RCC_CFGR3_TIMSW)
  1697. /**
  1698. * @brief Get TIMx clock source
  1699. * @rmtoll CFGR3 TIM1SW LL_RCC_GetTIMClockSource\n
  1700. * CFGR3 TIM8SW LL_RCC_GetTIMClockSource\n
  1701. * CFGR3 TIM15SW LL_RCC_GetTIMClockSource\n
  1702. * CFGR3 TIM16SW LL_RCC_GetTIMClockSource\n
  1703. * CFGR3 TIM17SW LL_RCC_GetTIMClockSource\n
  1704. * CFGR3 TIM20SW LL_RCC_GetTIMClockSource\n
  1705. * CFGR3 TIM2SW LL_RCC_GetTIMClockSource\n
  1706. * CFGR3 TIM34SW LL_RCC_GetTIMClockSource
  1707. * @param TIMx This parameter can be one of the following values:
  1708. * @arg @ref LL_RCC_TIM1_CLKSOURCE
  1709. * @arg @ref LL_RCC_TIM2_CLKSOURCE (*)
  1710. * @arg @ref LL_RCC_TIM8_CLKSOURCE (*)
  1711. * @arg @ref LL_RCC_TIM15_CLKSOURCE (*)
  1712. * @arg @ref LL_RCC_TIM16_CLKSOURCE (*)
  1713. * @arg @ref LL_RCC_TIM17_CLKSOURCE (*)
  1714. * @arg @ref LL_RCC_TIM20_CLKSOURCE (*)
  1715. * @arg @ref LL_RCC_TIM34_CLKSOURCE (*)
  1716. *
  1717. * (*) value not defined in all devices.
  1718. * @retval Returned value can be one of the following values:
  1719. * @arg @ref LL_RCC_TIM1_CLKSOURCE_PCLK2
  1720. * @arg @ref LL_RCC_TIM1_CLKSOURCE_PLL
  1721. * @arg @ref LL_RCC_TIM8_CLKSOURCE_PCLK2 (*)
  1722. * @arg @ref LL_RCC_TIM8_CLKSOURCE_PLL (*)
  1723. * @arg @ref LL_RCC_TIM15_CLKSOURCE_PCLK2 (*)
  1724. * @arg @ref LL_RCC_TIM15_CLKSOURCE_PLL (*)
  1725. * @arg @ref LL_RCC_TIM16_CLKSOURCE_PCLK2 (*)
  1726. * @arg @ref LL_RCC_TIM16_CLKSOURCE_PLL (*)
  1727. * @arg @ref LL_RCC_TIM17_CLKSOURCE_PCLK2 (*)
  1728. * @arg @ref LL_RCC_TIM17_CLKSOURCE_PLL (*)
  1729. * @arg @ref LL_RCC_TIM20_CLKSOURCE_PCLK2 (*)
  1730. * @arg @ref LL_RCC_TIM20_CLKSOURCE_PLL (*)
  1731. * @arg @ref LL_RCC_TIM2_CLKSOURCE_PCLK1 (*)
  1732. * @arg @ref LL_RCC_TIM2_CLKSOURCE_PLL (*)
  1733. * @arg @ref LL_RCC_TIM34_CLKSOURCE_PCLK1 (*)
  1734. * @arg @ref LL_RCC_TIM34_CLKSOURCE_PLL (*)
  1735. *
  1736. * (*) value not defined in all devices.
  1737. */
  1738. __STATIC_INLINE uint32_t LL_RCC_GetTIMClockSource(uint32_t TIMx)
  1739. {
  1740. return (uint32_t)(READ_BIT(RCC->CFGR3, (RCC_CFGR3_TIM1SW << TIMx)) | (TIMx << 27U));
  1741. }
  1742. #endif /* RCC_CFGR3_TIMSW */
  1743. #if defined(HRTIM1)
  1744. /**
  1745. * @brief Get HRTIMx clock source
  1746. * @rmtoll CFGR3 HRTIMSW LL_RCC_GetHRTIMClockSource
  1747. * @param HRTIMx This parameter can be one of the following values:
  1748. * @arg @ref LL_RCC_HRTIM1_CLKSOURCE
  1749. * @retval Returned value can be one of the following values:
  1750. * @arg @ref LL_RCC_HRTIM1_CLKSOURCE_PCLK2
  1751. * @arg @ref LL_RCC_HRTIM1_CLKSOURCE_PLL
  1752. */
  1753. __STATIC_INLINE uint32_t LL_RCC_GetHRTIMClockSource(uint32_t HRTIMx)
  1754. {
  1755. return (uint32_t)(READ_BIT(RCC->CFGR3, HRTIMx));
  1756. }
  1757. #endif /* HRTIM1 */
  1758. #if defined(CEC)
  1759. /**
  1760. * @brief Get CEC clock source
  1761. * @rmtoll CFGR3 CECSW LL_RCC_GetCECClockSource
  1762. * @param CECx This parameter can be one of the following values:
  1763. * @arg @ref LL_RCC_CEC_CLKSOURCE
  1764. * @retval Returned value can be one of the following values:
  1765. * @arg @ref LL_RCC_CEC_CLKSOURCE_HSI_DIV244
  1766. * @arg @ref LL_RCC_CEC_CLKSOURCE_LSE
  1767. */
  1768. __STATIC_INLINE uint32_t LL_RCC_GetCECClockSource(uint32_t CECx)
  1769. {
  1770. return (uint32_t)(READ_BIT(RCC->CFGR3, CECx));
  1771. }
  1772. #endif /* CEC */
  1773. #if defined(USB)
  1774. /**
  1775. * @brief Get USBx clock source
  1776. * @rmtoll CFGR USBPRE LL_RCC_GetUSBClockSource
  1777. * @param USBx This parameter can be one of the following values:
  1778. * @arg @ref LL_RCC_USB_CLKSOURCE
  1779. * @retval Returned value can be one of the following values:
  1780. * @arg @ref LL_RCC_USB_CLKSOURCE_PLL
  1781. * @arg @ref LL_RCC_USB_CLKSOURCE_PLL_DIV_1_5
  1782. */
  1783. __STATIC_INLINE uint32_t LL_RCC_GetUSBClockSource(uint32_t USBx)
  1784. {
  1785. return (uint32_t)(READ_BIT(RCC->CFGR, USBx));
  1786. }
  1787. #endif /* USB */
  1788. #if defined(RCC_CFGR_ADCPRE)
  1789. /**
  1790. * @brief Get ADCx clock source
  1791. * @rmtoll CFGR ADCPRE LL_RCC_GetADCClockSource
  1792. * @param ADCx This parameter can be one of the following values:
  1793. * @arg @ref LL_RCC_ADC_CLKSOURCE
  1794. * @retval Returned value can be one of the following values:
  1795. * @arg @ref LL_RCC_ADC_CLKSRC_PCLK2_DIV_2
  1796. * @arg @ref LL_RCC_ADC_CLKSRC_PCLK2_DIV_4
  1797. * @arg @ref LL_RCC_ADC_CLKSRC_PCLK2_DIV_6
  1798. * @arg @ref LL_RCC_ADC_CLKSRC_PCLK2_DIV_8
  1799. */
  1800. __STATIC_INLINE uint32_t LL_RCC_GetADCClockSource(uint32_t ADCx)
  1801. {
  1802. return (uint32_t)(READ_BIT(RCC->CFGR, ADCx));
  1803. }
  1804. #elif defined(RCC_CFGR2_ADC1PRES)
  1805. /**
  1806. * @brief Get ADCx clock source
  1807. * @rmtoll CFGR2 ADC1PRES LL_RCC_GetADCClockSource
  1808. * @param ADCx This parameter can be one of the following values:
  1809. * @arg @ref LL_RCC_ADC1_CLKSOURCE
  1810. * @retval Returned value can be one of the following values:
  1811. * @arg @ref LL_RCC_ADC1_CLKSRC_HCLK
  1812. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_1
  1813. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_2
  1814. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_4
  1815. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_6
  1816. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_8
  1817. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_10
  1818. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_12
  1819. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_16
  1820. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_32
  1821. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_64
  1822. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_128
  1823. * @arg @ref LL_RCC_ADC1_CLKSRC_PLL_DIV_256
  1824. */
  1825. __STATIC_INLINE uint32_t LL_RCC_GetADCClockSource(uint32_t ADCx)
  1826. {
  1827. return (uint32_t)(READ_BIT(RCC->CFGR2, ADCx));
  1828. }
  1829. #elif defined(RCC_CFGR2_ADCPRE12) || defined(RCC_CFGR2_ADCPRE34)
  1830. /**
  1831. * @brief Get ADCx clock source
  1832. * @rmtoll CFGR2 ADCPRE12 LL_RCC_GetADCClockSource\n
  1833. * CFGR2 ADCPRE34 LL_RCC_GetADCClockSource
  1834. * @param ADCx This parameter can be one of the following values:
  1835. * @arg @ref LL_RCC_ADC12_CLKSOURCE
  1836. * @arg @ref LL_RCC_ADC34_CLKSOURCE (*)
  1837. *
  1838. * (*) value not defined in all devices.
  1839. * @retval Returned value can be one of the following values:
  1840. * @arg @ref LL_RCC_ADC12_CLKSRC_HCLK
  1841. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_1
  1842. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_2
  1843. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_4
  1844. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_6
  1845. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_8
  1846. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_10
  1847. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_12
  1848. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_16
  1849. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_32
  1850. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_64
  1851. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_128
  1852. * @arg @ref LL_RCC_ADC12_CLKSRC_PLL_DIV_256
  1853. * @arg @ref LL_RCC_ADC34_CLKSRC_HCLK (*)
  1854. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_1 (*)
  1855. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_2 (*)
  1856. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_4 (*)
  1857. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_6 (*)
  1858. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_8 (*)
  1859. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_10 (*)
  1860. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_12 (*)
  1861. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_16 (*)
  1862. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_32 (*)
  1863. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_64 (*)
  1864. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_128 (*)
  1865. * @arg @ref LL_RCC_ADC34_CLKSRC_PLL_DIV_256 (*)
  1866. *
  1867. * (*) value not defined in all devices.
  1868. */
  1869. __STATIC_INLINE uint32_t LL_RCC_GetADCClockSource(uint32_t ADCx)
  1870. {
  1871. #if defined(RCC_CFGR2_ADCPRE34)
  1872. return (uint32_t)(READ_BIT(RCC->CFGR2, ADCx) | (ADCx << 16U));
  1873. #else
  1874. return (uint32_t)(READ_BIT(RCC->CFGR2, ADCx));
  1875. #endif /*RCC_CFGR2_ADCPRE34*/
  1876. }
  1877. #endif /* RCC_CFGR_ADCPRE */
  1878. #if defined(RCC_CFGR_SDPRE)
  1879. /**
  1880. * @brief Get SDADCx clock source
  1881. * @rmtoll CFGR SDPRE LL_RCC_GetSDADCClockSource
  1882. * @param SDADCx This parameter can be one of the following values:
  1883. * @arg @ref LL_RCC_SDADC_CLKSOURCE
  1884. * @retval Returned value can be one of the following values:
  1885. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_1
  1886. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_2
  1887. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_4
  1888. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_6
  1889. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_8
  1890. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_10
  1891. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_12
  1892. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_14
  1893. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_16
  1894. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_20
  1895. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_24
  1896. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_28
  1897. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_32
  1898. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_36
  1899. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_40
  1900. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_44
  1901. * @arg @ref LL_RCC_SDADC_CLKSRC_SYS_DIV_48
  1902. */
  1903. __STATIC_INLINE uint32_t LL_RCC_GetSDADCClockSource(uint32_t SDADCx)
  1904. {
  1905. return (uint32_t)(READ_BIT(RCC->CFGR, SDADCx));
  1906. }
  1907. #endif /* RCC_CFGR_SDPRE */
  1908. /**
  1909. * @}
  1910. */
  1911. /** @defgroup RCC_LL_EF_RTC RTC
  1912. * @{
  1913. */
  1914. /**
  1915. * @brief Set RTC Clock Source
  1916. * @note Once the RTC clock source has been selected, it cannot be changed any more unless
  1917. * the Backup domain is reset. The BDRST bit can be used to reset them.
  1918. * @rmtoll BDCR RTCSEL LL_RCC_SetRTCClockSource
  1919. * @param Source This parameter can be one of the following values:
  1920. * @arg @ref LL_RCC_RTC_CLKSOURCE_NONE
  1921. * @arg @ref LL_RCC_RTC_CLKSOURCE_LSE
  1922. * @arg @ref LL_RCC_RTC_CLKSOURCE_LSI
  1923. * @arg @ref LL_RCC_RTC_CLKSOURCE_HSE_DIV32
  1924. * @retval None
  1925. */
  1926. __STATIC_INLINE void LL_RCC_SetRTCClockSource(uint32_t Source)
  1927. {
  1928. MODIFY_REG(RCC->BDCR, RCC_BDCR_RTCSEL, Source);
  1929. }
  1930. /**
  1931. * @brief Get RTC Clock Source
  1932. * @rmtoll BDCR RTCSEL LL_RCC_GetRTCClockSource
  1933. * @retval Returned value can be one of the following values:
  1934. * @arg @ref LL_RCC_RTC_CLKSOURCE_NONE
  1935. * @arg @ref LL_RCC_RTC_CLKSOURCE_LSE
  1936. * @arg @ref LL_RCC_RTC_CLKSOURCE_LSI
  1937. * @arg @ref LL_RCC_RTC_CLKSOURCE_HSE_DIV32
  1938. */
  1939. __STATIC_INLINE uint32_t LL_RCC_GetRTCClockSource(void)
  1940. {
  1941. return (uint32_t)(READ_BIT(RCC->BDCR, RCC_BDCR_RTCSEL));
  1942. }
  1943. /**
  1944. * @brief Enable RTC
  1945. * @rmtoll BDCR RTCEN LL_RCC_EnableRTC
  1946. * @retval None
  1947. */
  1948. __STATIC_INLINE void LL_RCC_EnableRTC(void)
  1949. {
  1950. SET_BIT(RCC->BDCR, RCC_BDCR_RTCEN);
  1951. }
  1952. /**
  1953. * @brief Disable RTC
  1954. * @rmtoll BDCR RTCEN LL_RCC_DisableRTC
  1955. * @retval None
  1956. */
  1957. __STATIC_INLINE void LL_RCC_DisableRTC(void)
  1958. {
  1959. CLEAR_BIT(RCC->BDCR, RCC_BDCR_RTCEN);
  1960. }
  1961. /**
  1962. * @brief Check if RTC has been enabled or not
  1963. * @rmtoll BDCR RTCEN LL_RCC_IsEnabledRTC
  1964. * @retval State of bit (1 or 0).
  1965. */
  1966. __STATIC_INLINE uint32_t LL_RCC_IsEnabledRTC(void)
  1967. {
  1968. return (READ_BIT(RCC->BDCR, RCC_BDCR_RTCEN) == (RCC_BDCR_RTCEN));
  1969. }
  1970. /**
  1971. * @brief Force the Backup domain reset
  1972. * @rmtoll BDCR BDRST LL_RCC_ForceBackupDomainReset
  1973. * @retval None
  1974. */
  1975. __STATIC_INLINE void LL_RCC_ForceBackupDomainReset(void)
  1976. {
  1977. SET_BIT(RCC->BDCR, RCC_BDCR_BDRST);
  1978. }
  1979. /**
  1980. * @brief Release the Backup domain reset
  1981. * @rmtoll BDCR BDRST LL_RCC_ReleaseBackupDomainReset
  1982. * @retval None
  1983. */
  1984. __STATIC_INLINE void LL_RCC_ReleaseBackupDomainReset(void)
  1985. {
  1986. CLEAR_BIT(RCC->BDCR, RCC_BDCR_BDRST);
  1987. }
  1988. /**
  1989. * @}
  1990. */
  1991. /** @defgroup RCC_LL_EF_PLL PLL
  1992. * @{
  1993. */
  1994. /**
  1995. * @brief Enable PLL
  1996. * @rmtoll CR PLLON LL_RCC_PLL_Enable
  1997. * @retval None
  1998. */
  1999. __STATIC_INLINE void LL_RCC_PLL_Enable(void)
  2000. {
  2001. SET_BIT(RCC->CR, RCC_CR_PLLON);
  2002. }
  2003. /**
  2004. * @brief Disable PLL
  2005. * @note Cannot be disabled if the PLL clock is used as the system clock
  2006. * @rmtoll CR PLLON LL_RCC_PLL_Disable
  2007. * @retval None
  2008. */
  2009. __STATIC_INLINE void LL_RCC_PLL_Disable(void)
  2010. {
  2011. CLEAR_BIT(RCC->CR, RCC_CR_PLLON);
  2012. }
  2013. /**
  2014. * @brief Check if PLL Ready
  2015. * @rmtoll CR PLLRDY LL_RCC_PLL_IsReady
  2016. * @retval State of bit (1 or 0).
  2017. */
  2018. __STATIC_INLINE uint32_t LL_RCC_PLL_IsReady(void)
  2019. {
  2020. return (READ_BIT(RCC->CR, RCC_CR_PLLRDY) == (RCC_CR_PLLRDY));
  2021. }
  2022. #if defined(RCC_PLLSRC_PREDIV1_SUPPORT)
  2023. /**
  2024. * @brief Configure PLL used for SYSCLK Domain
  2025. * @rmtoll CFGR PLLSRC LL_RCC_PLL_ConfigDomain_SYS\n
  2026. * CFGR PLLMUL LL_RCC_PLL_ConfigDomain_SYS\n
  2027. * CFGR2 PREDIV LL_RCC_PLL_ConfigDomain_SYS
  2028. * @param Source This parameter can be one of the following values:
  2029. * @arg @ref LL_RCC_PLLSOURCE_HSI
  2030. * @arg @ref LL_RCC_PLLSOURCE_HSE
  2031. * @param PLLMul This parameter can be one of the following values:
  2032. * @arg @ref LL_RCC_PLL_MUL_2
  2033. * @arg @ref LL_RCC_PLL_MUL_3
  2034. * @arg @ref LL_RCC_PLL_MUL_4
  2035. * @arg @ref LL_RCC_PLL_MUL_5
  2036. * @arg @ref LL_RCC_PLL_MUL_6
  2037. * @arg @ref LL_RCC_PLL_MUL_7
  2038. * @arg @ref LL_RCC_PLL_MUL_8
  2039. * @arg @ref LL_RCC_PLL_MUL_9
  2040. * @arg @ref LL_RCC_PLL_MUL_10
  2041. * @arg @ref LL_RCC_PLL_MUL_11
  2042. * @arg @ref LL_RCC_PLL_MUL_12
  2043. * @arg @ref LL_RCC_PLL_MUL_13
  2044. * @arg @ref LL_RCC_PLL_MUL_14
  2045. * @arg @ref LL_RCC_PLL_MUL_15
  2046. * @arg @ref LL_RCC_PLL_MUL_16
  2047. * @param PLLDiv This parameter can be one of the following values:
  2048. * @arg @ref LL_RCC_PREDIV_DIV_1
  2049. * @arg @ref LL_RCC_PREDIV_DIV_2
  2050. * @arg @ref LL_RCC_PREDIV_DIV_3
  2051. * @arg @ref LL_RCC_PREDIV_DIV_4
  2052. * @arg @ref LL_RCC_PREDIV_DIV_5
  2053. * @arg @ref LL_RCC_PREDIV_DIV_6
  2054. * @arg @ref LL_RCC_PREDIV_DIV_7
  2055. * @arg @ref LL_RCC_PREDIV_DIV_8
  2056. * @arg @ref LL_RCC_PREDIV_DIV_9
  2057. * @arg @ref LL_RCC_PREDIV_DIV_10
  2058. * @arg @ref LL_RCC_PREDIV_DIV_11
  2059. * @arg @ref LL_RCC_PREDIV_DIV_12
  2060. * @arg @ref LL_RCC_PREDIV_DIV_13
  2061. * @arg @ref LL_RCC_PREDIV_DIV_14
  2062. * @arg @ref LL_RCC_PREDIV_DIV_15
  2063. * @arg @ref LL_RCC_PREDIV_DIV_16
  2064. * @retval None
  2065. */
  2066. __STATIC_INLINE void LL_RCC_PLL_ConfigDomain_SYS(uint32_t Source, uint32_t PLLMul, uint32_t PLLDiv)
  2067. {
  2068. MODIFY_REG(RCC->CFGR, RCC_CFGR_PLLSRC | RCC_CFGR_PLLMUL, Source | PLLMul);
  2069. MODIFY_REG(RCC->CFGR2, RCC_CFGR2_PREDIV, PLLDiv);
  2070. }
  2071. #else
  2072. /**
  2073. * @brief Configure PLL used for SYSCLK Domain
  2074. * @rmtoll CFGR PLLSRC LL_RCC_PLL_ConfigDomain_SYS\n
  2075. * CFGR PLLMUL LL_RCC_PLL_ConfigDomain_SYS\n
  2076. * CFGR2 PREDIV LL_RCC_PLL_ConfigDomain_SYS
  2077. * @param Source This parameter can be one of the following values:
  2078. * @arg @ref LL_RCC_PLLSOURCE_HSI_DIV_2
  2079. * @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_1
  2080. * @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_2
  2081. * @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_3
  2082. * @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_4
  2083. * @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_5
  2084. * @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_6
  2085. * @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_7
  2086. * @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_8
  2087. * @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_9
  2088. * @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_10
  2089. * @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_11
  2090. * @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_12
  2091. * @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_13
  2092. * @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_14
  2093. * @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_15
  2094. * @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_16
  2095. * @param PLLMul This parameter can be one of the following values:
  2096. * @arg @ref LL_RCC_PLL_MUL_2
  2097. * @arg @ref LL_RCC_PLL_MUL_3
  2098. * @arg @ref LL_RCC_PLL_MUL_4
  2099. * @arg @ref LL_RCC_PLL_MUL_5
  2100. * @arg @ref LL_RCC_PLL_MUL_6
  2101. * @arg @ref LL_RCC_PLL_MUL_7
  2102. * @arg @ref LL_RCC_PLL_MUL_8
  2103. * @arg @ref LL_RCC_PLL_MUL_9
  2104. * @arg @ref LL_RCC_PLL_MUL_10
  2105. * @arg @ref LL_RCC_PLL_MUL_11
  2106. * @arg @ref LL_RCC_PLL_MUL_12
  2107. * @arg @ref LL_RCC_PLL_MUL_13
  2108. * @arg @ref LL_RCC_PLL_MUL_14
  2109. * @arg @ref LL_RCC_PLL_MUL_15
  2110. * @arg @ref LL_RCC_PLL_MUL_16
  2111. * @retval None
  2112. */
  2113. __STATIC_INLINE void LL_RCC_PLL_ConfigDomain_SYS(uint32_t Source, uint32_t PLLMul)
  2114. {
  2115. MODIFY_REG(RCC->CFGR, RCC_CFGR_PLLSRC | RCC_CFGR_PLLMUL, (Source & RCC_CFGR_PLLSRC) | PLLMul);
  2116. MODIFY_REG(RCC->CFGR2, RCC_CFGR2_PREDIV, (Source & RCC_CFGR2_PREDIV));
  2117. }
  2118. #endif /* RCC_PLLSRC_PREDIV1_SUPPORT */
  2119. /**
  2120. * @brief Configure PLL clock source
  2121. * @rmtoll CFGR PLLSRC LL_RCC_PLL_SetMainSource
  2122. * @param PLLSource This parameter can be one of the following values:
  2123. * @arg @ref LL_RCC_PLLSOURCE_NONE
  2124. * @arg @ref LL_RCC_PLLSOURCE_HSI (*)
  2125. * @arg @ref LL_RCC_PLLSOURCE_HSI_DIV_2 (*)
  2126. * @arg @ref LL_RCC_PLLSOURCE_HSE
  2127. * @arg @ref LL_RCC_PLLSOURCE_HSI48 (*)
  2128. *
  2129. * (*) value not defined in all devices
  2130. * @retval None
  2131. */
  2132. __STATIC_INLINE void LL_RCC_PLL_SetMainSource(uint32_t PLLSource)
  2133. {
  2134. MODIFY_REG(RCC->CFGR, RCC_CFGR_PLLSRC, PLLSource);
  2135. }
  2136. /**
  2137. * @brief Get the oscillator used as PLL clock source.
  2138. * @rmtoll CFGR PLLSRC LL_RCC_PLL_GetMainSource
  2139. * @retval Returned value can be one of the following values:
  2140. * @arg @ref LL_RCC_PLLSOURCE_NONE
  2141. * @arg @ref LL_RCC_PLLSOURCE_HSI (*)
  2142. * @arg @ref LL_RCC_PLLSOURCE_HSI_DIV_2 (*)
  2143. * @arg @ref LL_RCC_PLLSOURCE_HSE
  2144. *
  2145. * (*) value not defined in all devices
  2146. */
  2147. __STATIC_INLINE uint32_t LL_RCC_PLL_GetMainSource(void)
  2148. {
  2149. return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLSRC));
  2150. }
  2151. /**
  2152. * @brief Get PLL multiplication Factor
  2153. * @rmtoll CFGR PLLMUL LL_RCC_PLL_GetMultiplicator
  2154. * @retval Returned value can be one of the following values:
  2155. * @arg @ref LL_RCC_PLL_MUL_2
  2156. * @arg @ref LL_RCC_PLL_MUL_3
  2157. * @arg @ref LL_RCC_PLL_MUL_4
  2158. * @arg @ref LL_RCC_PLL_MUL_5
  2159. * @arg @ref LL_RCC_PLL_MUL_6
  2160. * @arg @ref LL_RCC_PLL_MUL_7
  2161. * @arg @ref LL_RCC_PLL_MUL_8
  2162. * @arg @ref LL_RCC_PLL_MUL_9
  2163. * @arg @ref LL_RCC_PLL_MUL_10
  2164. * @arg @ref LL_RCC_PLL_MUL_11
  2165. * @arg @ref LL_RCC_PLL_MUL_12
  2166. * @arg @ref LL_RCC_PLL_MUL_13
  2167. * @arg @ref LL_RCC_PLL_MUL_14
  2168. * @arg @ref LL_RCC_PLL_MUL_15
  2169. * @arg @ref LL_RCC_PLL_MUL_16
  2170. */
  2171. __STATIC_INLINE uint32_t LL_RCC_PLL_GetMultiplicator(void)
  2172. {
  2173. return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLMUL));
  2174. }
  2175. /**
  2176. * @brief Get PREDIV division factor for the main PLL
  2177. * @note They can be written only when the PLL is disabled
  2178. * @rmtoll CFGR2 PREDIV LL_RCC_PLL_GetPrediv
  2179. * @retval Returned value can be one of the following values:
  2180. * @arg @ref LL_RCC_PREDIV_DIV_1
  2181. * @arg @ref LL_RCC_PREDIV_DIV_2
  2182. * @arg @ref LL_RCC_PREDIV_DIV_3
  2183. * @arg @ref LL_RCC_PREDIV_DIV_4
  2184. * @arg @ref LL_RCC_PREDIV_DIV_5
  2185. * @arg @ref LL_RCC_PREDIV_DIV_6
  2186. * @arg @ref LL_RCC_PREDIV_DIV_7
  2187. * @arg @ref LL_RCC_PREDIV_DIV_8
  2188. * @arg @ref LL_RCC_PREDIV_DIV_9
  2189. * @arg @ref LL_RCC_PREDIV_DIV_10
  2190. * @arg @ref LL_RCC_PREDIV_DIV_11
  2191. * @arg @ref LL_RCC_PREDIV_DIV_12
  2192. * @arg @ref LL_RCC_PREDIV_DIV_13
  2193. * @arg @ref LL_RCC_PREDIV_DIV_14
  2194. * @arg @ref LL_RCC_PREDIV_DIV_15
  2195. * @arg @ref LL_RCC_PREDIV_DIV_16
  2196. */
  2197. __STATIC_INLINE uint32_t LL_RCC_PLL_GetPrediv(void)
  2198. {
  2199. return (uint32_t)(READ_BIT(RCC->CFGR2, RCC_CFGR2_PREDIV));
  2200. }
  2201. /**
  2202. * @}
  2203. */
  2204. /** @defgroup RCC_LL_EF_FLAG_Management FLAG Management
  2205. * @{
  2206. */
  2207. /**
  2208. * @brief Clear LSI ready interrupt flag
  2209. * @rmtoll CIR LSIRDYC LL_RCC_ClearFlag_LSIRDY
  2210. * @retval None
  2211. */
  2212. __STATIC_INLINE void LL_RCC_ClearFlag_LSIRDY(void)
  2213. {
  2214. SET_BIT(RCC->CIR, RCC_CIR_LSIRDYC);
  2215. }
  2216. /**
  2217. * @brief Clear LSE ready interrupt flag
  2218. * @rmtoll CIR LSERDYC LL_RCC_ClearFlag_LSERDY
  2219. * @retval None
  2220. */
  2221. __STATIC_INLINE void LL_RCC_ClearFlag_LSERDY(void)
  2222. {
  2223. SET_BIT(RCC->CIR, RCC_CIR_LSERDYC);
  2224. }
  2225. /**
  2226. * @brief Clear HSI ready interrupt flag
  2227. * @rmtoll CIR HSIRDYC LL_RCC_ClearFlag_HSIRDY
  2228. * @retval None
  2229. */
  2230. __STATIC_INLINE void LL_RCC_ClearFlag_HSIRDY(void)
  2231. {
  2232. SET_BIT(RCC->CIR, RCC_CIR_HSIRDYC);
  2233. }
  2234. /**
  2235. * @brief Clear HSE ready interrupt flag
  2236. * @rmtoll CIR HSERDYC LL_RCC_ClearFlag_HSERDY
  2237. * @retval None
  2238. */
  2239. __STATIC_INLINE void LL_RCC_ClearFlag_HSERDY(void)
  2240. {
  2241. SET_BIT(RCC->CIR, RCC_CIR_HSERDYC);
  2242. }
  2243. /**
  2244. * @brief Clear PLL ready interrupt flag
  2245. * @rmtoll CIR PLLRDYC LL_RCC_ClearFlag_PLLRDY
  2246. * @retval None
  2247. */
  2248. __STATIC_INLINE void LL_RCC_ClearFlag_PLLRDY(void)
  2249. {
  2250. SET_BIT(RCC->CIR, RCC_CIR_PLLRDYC);
  2251. }
  2252. /**
  2253. * @brief Clear Clock security system interrupt flag
  2254. * @rmtoll CIR CSSC LL_RCC_ClearFlag_HSECSS
  2255. * @retval None
  2256. */
  2257. __STATIC_INLINE void LL_RCC_ClearFlag_HSECSS(void)
  2258. {
  2259. SET_BIT(RCC->CIR, RCC_CIR_CSSC);
  2260. }
  2261. /**
  2262. * @brief Check if LSI ready interrupt occurred or not
  2263. * @rmtoll CIR LSIRDYF LL_RCC_IsActiveFlag_LSIRDY
  2264. * @retval State of bit (1 or 0).
  2265. */
  2266. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LSIRDY(void)
  2267. {
  2268. return (READ_BIT(RCC->CIR, RCC_CIR_LSIRDYF) == (RCC_CIR_LSIRDYF));
  2269. }
  2270. /**
  2271. * @brief Check if LSE ready interrupt occurred or not
  2272. * @rmtoll CIR LSERDYF LL_RCC_IsActiveFlag_LSERDY
  2273. * @retval State of bit (1 or 0).
  2274. */
  2275. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LSERDY(void)
  2276. {
  2277. return (READ_BIT(RCC->CIR, RCC_CIR_LSERDYF) == (RCC_CIR_LSERDYF));
  2278. }
  2279. /**
  2280. * @brief Check if HSI ready interrupt occurred or not
  2281. * @rmtoll CIR HSIRDYF LL_RCC_IsActiveFlag_HSIRDY
  2282. * @retval State of bit (1 or 0).
  2283. */
  2284. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSIRDY(void)
  2285. {
  2286. return (READ_BIT(RCC->CIR, RCC_CIR_HSIRDYF) == (RCC_CIR_HSIRDYF));
  2287. }
  2288. /**
  2289. * @brief Check if HSE ready interrupt occurred or not
  2290. * @rmtoll CIR HSERDYF LL_RCC_IsActiveFlag_HSERDY
  2291. * @retval State of bit (1 or 0).
  2292. */
  2293. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSERDY(void)
  2294. {
  2295. return (READ_BIT(RCC->CIR, RCC_CIR_HSERDYF) == (RCC_CIR_HSERDYF));
  2296. }
  2297. #if defined(RCC_CFGR_MCOF)
  2298. /**
  2299. * @brief Check if switch to new MCO source is effective or not
  2300. * @rmtoll CFGR MCOF LL_RCC_IsActiveFlag_MCO1
  2301. * @retval State of bit (1 or 0).
  2302. */
  2303. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_MCO1(void)
  2304. {
  2305. return (READ_BIT(RCC->CFGR, RCC_CFGR_MCOF) == (RCC_CFGR_MCOF));
  2306. }
  2307. #endif /* RCC_CFGR_MCOF */
  2308. /**
  2309. * @brief Check if PLL ready interrupt occurred or not
  2310. * @rmtoll CIR PLLRDYF LL_RCC_IsActiveFlag_PLLRDY
  2311. * @retval State of bit (1 or 0).
  2312. */
  2313. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PLLRDY(void)
  2314. {
  2315. return (READ_BIT(RCC->CIR, RCC_CIR_PLLRDYF) == (RCC_CIR_PLLRDYF));
  2316. }
  2317. /**
  2318. * @brief Check if Clock security system interrupt occurred or not
  2319. * @rmtoll CIR CSSF LL_RCC_IsActiveFlag_HSECSS
  2320. * @retval State of bit (1 or 0).
  2321. */
  2322. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSECSS(void)
  2323. {
  2324. return (READ_BIT(RCC->CIR, RCC_CIR_CSSF) == (RCC_CIR_CSSF));
  2325. }
  2326. /**
  2327. * @brief Check if RCC flag Independent Watchdog reset is set or not.
  2328. * @rmtoll CSR IWDGRSTF LL_RCC_IsActiveFlag_IWDGRST
  2329. * @retval State of bit (1 or 0).
  2330. */
  2331. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_IWDGRST(void)
  2332. {
  2333. return (READ_BIT(RCC->CSR, RCC_CSR_IWDGRSTF) == (RCC_CSR_IWDGRSTF));
  2334. }
  2335. /**
  2336. * @brief Check if RCC flag Low Power reset is set or not.
  2337. * @rmtoll CSR LPWRRSTF LL_RCC_IsActiveFlag_LPWRRST
  2338. * @retval State of bit (1 or 0).
  2339. */
  2340. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LPWRRST(void)
  2341. {
  2342. return (READ_BIT(RCC->CSR, RCC_CSR_LPWRRSTF) == (RCC_CSR_LPWRRSTF));
  2343. }
  2344. /**
  2345. * @brief Check if RCC flag is set or not.
  2346. * @rmtoll CSR OBLRSTF LL_RCC_IsActiveFlag_OBLRST
  2347. * @retval State of bit (1 or 0).
  2348. */
  2349. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_OBLRST(void)
  2350. {
  2351. return (READ_BIT(RCC->CSR, RCC_CSR_OBLRSTF) == (RCC_CSR_OBLRSTF));
  2352. }
  2353. /**
  2354. * @brief Check if RCC flag Pin reset is set or not.
  2355. * @rmtoll CSR PINRSTF LL_RCC_IsActiveFlag_PINRST
  2356. * @retval State of bit (1 or 0).
  2357. */
  2358. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PINRST(void)
  2359. {
  2360. return (READ_BIT(RCC->CSR, RCC_CSR_PINRSTF) == (RCC_CSR_PINRSTF));
  2361. }
  2362. /**
  2363. * @brief Check if RCC flag POR/PDR reset is set or not.
  2364. * @rmtoll CSR PORRSTF LL_RCC_IsActiveFlag_PORRST
  2365. * @retval State of bit (1 or 0).
  2366. */
  2367. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PORRST(void)
  2368. {
  2369. return (READ_BIT(RCC->CSR, RCC_CSR_PORRSTF) == (RCC_CSR_PORRSTF));
  2370. }
  2371. /**
  2372. * @brief Check if RCC flag Software reset is set or not.
  2373. * @rmtoll CSR SFTRSTF LL_RCC_IsActiveFlag_SFTRST
  2374. * @retval State of bit (1 or 0).
  2375. */
  2376. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_SFTRST(void)
  2377. {
  2378. return (READ_BIT(RCC->CSR, RCC_CSR_SFTRSTF) == (RCC_CSR_SFTRSTF));
  2379. }
  2380. /**
  2381. * @brief Check if RCC flag Window Watchdog reset is set or not.
  2382. * @rmtoll CSR WWDGRSTF LL_RCC_IsActiveFlag_WWDGRST
  2383. * @retval State of bit (1 or 0).
  2384. */
  2385. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_WWDGRST(void)
  2386. {
  2387. return (READ_BIT(RCC->CSR, RCC_CSR_WWDGRSTF) == (RCC_CSR_WWDGRSTF));
  2388. }
  2389. #if defined(RCC_CSR_V18PWRRSTF)
  2390. /**
  2391. * @brief Check if RCC Reset flag of the 1.8 V domain is set or not.
  2392. * @rmtoll CSR V18PWRRSTF LL_RCC_IsActiveFlag_V18PWRRST
  2393. * @retval State of bit (1 or 0).
  2394. */
  2395. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_V18PWRRST(void)
  2396. {
  2397. return (READ_BIT(RCC->CSR, RCC_CSR_V18PWRRSTF) == (RCC_CSR_V18PWRRSTF));
  2398. }
  2399. #endif /* RCC_CSR_V18PWRRSTF */
  2400. /**
  2401. * @brief Set RMVF bit to clear the reset flags.
  2402. * @rmtoll CSR RMVF LL_RCC_ClearResetFlags
  2403. * @retval None
  2404. */
  2405. __STATIC_INLINE void LL_RCC_ClearResetFlags(void)
  2406. {
  2407. SET_BIT(RCC->CSR, RCC_CSR_RMVF);
  2408. }
  2409. /**
  2410. * @}
  2411. */
  2412. /** @defgroup RCC_LL_EF_IT_Management IT Management
  2413. * @{
  2414. */
  2415. /**
  2416. * @brief Enable LSI ready interrupt
  2417. * @rmtoll CIR LSIRDYIE LL_RCC_EnableIT_LSIRDY
  2418. * @retval None
  2419. */
  2420. __STATIC_INLINE void LL_RCC_EnableIT_LSIRDY(void)
  2421. {
  2422. SET_BIT(RCC->CIR, RCC_CIR_LSIRDYIE);
  2423. }
  2424. /**
  2425. * @brief Enable LSE ready interrupt
  2426. * @rmtoll CIR LSERDYIE LL_RCC_EnableIT_LSERDY
  2427. * @retval None
  2428. */
  2429. __STATIC_INLINE void LL_RCC_EnableIT_LSERDY(void)
  2430. {
  2431. SET_BIT(RCC->CIR, RCC_CIR_LSERDYIE);
  2432. }
  2433. /**
  2434. * @brief Enable HSI ready interrupt
  2435. * @rmtoll CIR HSIRDYIE LL_RCC_EnableIT_HSIRDY
  2436. * @retval None
  2437. */
  2438. __STATIC_INLINE void LL_RCC_EnableIT_HSIRDY(void)
  2439. {
  2440. SET_BIT(RCC->CIR, RCC_CIR_HSIRDYIE);
  2441. }
  2442. /**
  2443. * @brief Enable HSE ready interrupt
  2444. * @rmtoll CIR HSERDYIE LL_RCC_EnableIT_HSERDY
  2445. * @retval None
  2446. */
  2447. __STATIC_INLINE void LL_RCC_EnableIT_HSERDY(void)
  2448. {
  2449. SET_BIT(RCC->CIR, RCC_CIR_HSERDYIE);
  2450. }
  2451. /**
  2452. * @brief Enable PLL ready interrupt
  2453. * @rmtoll CIR PLLRDYIE LL_RCC_EnableIT_PLLRDY
  2454. * @retval None
  2455. */
  2456. __STATIC_INLINE void LL_RCC_EnableIT_PLLRDY(void)
  2457. {
  2458. SET_BIT(RCC->CIR, RCC_CIR_PLLRDYIE);
  2459. }
  2460. /**
  2461. * @brief Disable LSI ready interrupt
  2462. * @rmtoll CIR LSIRDYIE LL_RCC_DisableIT_LSIRDY
  2463. * @retval None
  2464. */
  2465. __STATIC_INLINE void LL_RCC_DisableIT_LSIRDY(void)
  2466. {
  2467. CLEAR_BIT(RCC->CIR, RCC_CIR_LSIRDYIE);
  2468. }
  2469. /**
  2470. * @brief Disable LSE ready interrupt
  2471. * @rmtoll CIR LSERDYIE LL_RCC_DisableIT_LSERDY
  2472. * @retval None
  2473. */
  2474. __STATIC_INLINE void LL_RCC_DisableIT_LSERDY(void)
  2475. {
  2476. CLEAR_BIT(RCC->CIR, RCC_CIR_LSERDYIE);
  2477. }
  2478. /**
  2479. * @brief Disable HSI ready interrupt
  2480. * @rmtoll CIR HSIRDYIE LL_RCC_DisableIT_HSIRDY
  2481. * @retval None
  2482. */
  2483. __STATIC_INLINE void LL_RCC_DisableIT_HSIRDY(void)
  2484. {
  2485. CLEAR_BIT(RCC->CIR, RCC_CIR_HSIRDYIE);
  2486. }
  2487. /**
  2488. * @brief Disable HSE ready interrupt
  2489. * @rmtoll CIR HSERDYIE LL_RCC_DisableIT_HSERDY
  2490. * @retval None
  2491. */
  2492. __STATIC_INLINE void LL_RCC_DisableIT_HSERDY(void)
  2493. {
  2494. CLEAR_BIT(RCC->CIR, RCC_CIR_HSERDYIE);
  2495. }
  2496. /**
  2497. * @brief Disable PLL ready interrupt
  2498. * @rmtoll CIR PLLRDYIE LL_RCC_DisableIT_PLLRDY
  2499. * @retval None
  2500. */
  2501. __STATIC_INLINE void LL_RCC_DisableIT_PLLRDY(void)
  2502. {
  2503. CLEAR_BIT(RCC->CIR, RCC_CIR_PLLRDYIE);
  2504. }
  2505. /**
  2506. * @brief Checks if LSI ready interrupt source is enabled or disabled.
  2507. * @rmtoll CIR LSIRDYIE LL_RCC_IsEnabledIT_LSIRDY
  2508. * @retval State of bit (1 or 0).
  2509. */
  2510. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_LSIRDY(void)
  2511. {
  2512. return (READ_BIT(RCC->CIR, RCC_CIR_LSIRDYIE) == (RCC_CIR_LSIRDYIE));
  2513. }
  2514. /**
  2515. * @brief Checks if LSE ready interrupt source is enabled or disabled.
  2516. * @rmtoll CIR LSERDYIE LL_RCC_IsEnabledIT_LSERDY
  2517. * @retval State of bit (1 or 0).
  2518. */
  2519. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_LSERDY(void)
  2520. {
  2521. return (READ_BIT(RCC->CIR, RCC_CIR_LSERDYIE) == (RCC_CIR_LSERDYIE));
  2522. }
  2523. /**
  2524. * @brief Checks if HSI ready interrupt source is enabled or disabled.
  2525. * @rmtoll CIR HSIRDYIE LL_RCC_IsEnabledIT_HSIRDY
  2526. * @retval State of bit (1 or 0).
  2527. */
  2528. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSIRDY(void)
  2529. {
  2530. return (READ_BIT(RCC->CIR, RCC_CIR_HSIRDYIE) == (RCC_CIR_HSIRDYIE));
  2531. }
  2532. /**
  2533. * @brief Checks if HSE ready interrupt source is enabled or disabled.
  2534. * @rmtoll CIR HSERDYIE LL_RCC_IsEnabledIT_HSERDY
  2535. * @retval State of bit (1 or 0).
  2536. */
  2537. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSERDY(void)
  2538. {
  2539. return (READ_BIT(RCC->CIR, RCC_CIR_HSERDYIE) == (RCC_CIR_HSERDYIE));
  2540. }
  2541. /**
  2542. * @brief Checks if PLL ready interrupt source is enabled or disabled.
  2543. * @rmtoll CIR PLLRDYIE LL_RCC_IsEnabledIT_PLLRDY
  2544. * @retval State of bit (1 or 0).
  2545. */
  2546. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_PLLRDY(void)
  2547. {
  2548. return (READ_BIT(RCC->CIR, RCC_CIR_PLLRDYIE) == (RCC_CIR_PLLRDYIE));
  2549. }
  2550. /**
  2551. * @}
  2552. */
  2553. #if defined(USE_FULL_LL_DRIVER)
  2554. /** @defgroup RCC_LL_EF_Init De-initialization function
  2555. * @{
  2556. */
  2557. ErrorStatus LL_RCC_DeInit(void);
  2558. /**
  2559. * @}
  2560. */
  2561. /** @defgroup RCC_LL_EF_Get_Freq Get system and peripherals clocks frequency functions
  2562. * @{
  2563. */
  2564. void LL_RCC_GetSystemClocksFreq(LL_RCC_ClocksTypeDef *RCC_Clocks);
  2565. uint32_t LL_RCC_GetUSARTClockFreq(uint32_t USARTxSource);
  2566. #if defined(UART4) || defined(UART5)
  2567. uint32_t LL_RCC_GetUARTClockFreq(uint32_t UARTxSource);
  2568. #endif /* UART4 || UART5 */
  2569. uint32_t LL_RCC_GetI2CClockFreq(uint32_t I2CxSource);
  2570. #if defined(RCC_CFGR_I2SSRC)
  2571. uint32_t LL_RCC_GetI2SClockFreq(uint32_t I2SxSource);
  2572. #endif /* RCC_CFGR_I2SSRC */
  2573. #if defined(USB_OTG_FS) || defined(USB)
  2574. uint32_t LL_RCC_GetUSBClockFreq(uint32_t USBxSource);
  2575. #endif /* USB_OTG_FS || USB */
  2576. #if (defined(RCC_CFGR_ADCPRE) || defined(RCC_CFGR2_ADC1PRES) || defined(RCC_CFGR2_ADCPRE12) || defined(RCC_CFGR2_ADCPRE34))
  2577. uint32_t LL_RCC_GetADCClockFreq(uint32_t ADCxSource);
  2578. #endif /*RCC_CFGR_ADCPRE || RCC_CFGR2_ADC1PRES || RCC_CFGR2_ADCPRE12 || RCC_CFGR2_ADCPRE34 */
  2579. #if defined(RCC_CFGR_SDPRE)
  2580. uint32_t LL_RCC_GetSDADCClockFreq(uint32_t SDADCxSource);
  2581. #endif /*RCC_CFGR_SDPRE */
  2582. #if defined(CEC)
  2583. uint32_t LL_RCC_GetCECClockFreq(uint32_t CECxSource);
  2584. #endif /* CEC */
  2585. #if defined(RCC_CFGR3_TIMSW)
  2586. uint32_t LL_RCC_GetTIMClockFreq(uint32_t TIMxSource);
  2587. #endif /*RCC_CFGR3_TIMSW*/
  2588. uint32_t LL_RCC_GetHRTIMClockFreq(uint32_t HRTIMxSource);
  2589. /**
  2590. * @}
  2591. */
  2592. #endif /* USE_FULL_LL_DRIVER */
  2593. /**
  2594. * @}
  2595. */
  2596. /**
  2597. * @}
  2598. */
  2599. #endif /* RCC */
  2600. /**
  2601. * @}
  2602. */
  2603. #ifdef __cplusplus
  2604. }
  2605. #endif
  2606. #endif /* __STM32F3xx_LL_RCC_H */