stm32g0xx_ll_rcc.h 155 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32g0xx_ll_rcc.h
  4. * @author MCD Application Team
  5. * @brief Header file of RCC LL module.
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * Copyright (c) 2018 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 STM32G0xx_LL_RCC_H
  19. #define STM32G0xx_LL_RCC_H
  20. #ifdef __cplusplus
  21. extern "C" {
  22. #endif
  23. /* Includes ------------------------------------------------------------------*/
  24. #include "stm32g0xx.h"
  25. /** @addtogroup STM32G0xx_LL_Driver
  26. * @{
  27. */
  28. #if defined(RCC)
  29. /** @defgroup RCC_LL RCC
  30. * @{
  31. */
  32. /* Private types -------------------------------------------------------------*/
  33. /* Private variables ---------------------------------------------------------*/
  34. /** @defgroup RCC_LL_Private_Variables RCC Private Variables
  35. * @{
  36. */
  37. /**
  38. * @}
  39. */
  40. /* Private constants ---------------------------------------------------------*/
  41. /* Private macros ------------------------------------------------------------*/
  42. #if defined(USE_FULL_LL_DRIVER)
  43. /** @defgroup RCC_LL_Private_Macros RCC Private Macros
  44. * @{
  45. */
  46. /**
  47. * @}
  48. */
  49. #endif /*USE_FULL_LL_DRIVER*/
  50. /* Exported types ------------------------------------------------------------*/
  51. #if defined(USE_FULL_LL_DRIVER)
  52. /** @defgroup RCC_LL_Exported_Types RCC Exported Types
  53. * @{
  54. */
  55. /** @defgroup LL_ES_CLOCK_FREQ Clocks Frequency Structure
  56. * @{
  57. */
  58. /**
  59. * @brief RCC Clocks Frequency Structure
  60. */
  61. typedef struct
  62. {
  63. uint32_t SYSCLK_Frequency; /*!< SYSCLK clock frequency */
  64. uint32_t HCLK_Frequency; /*!< HCLK clock frequency */
  65. uint32_t PCLK1_Frequency; /*!< PCLK1 clock frequency */
  66. } LL_RCC_ClocksTypeDef;
  67. /**
  68. * @}
  69. */
  70. /**
  71. * @}
  72. */
  73. #endif /* USE_FULL_LL_DRIVER */
  74. /* Exported constants --------------------------------------------------------*/
  75. /** @defgroup RCC_LL_Exported_Constants RCC Exported Constants
  76. * @{
  77. */
  78. /** @defgroup RCC_LL_EC_OSC_VALUES Oscillator Values adaptation
  79. * @brief Defines used to adapt values of different oscillators
  80. * @note These values could be modified in the user environment according to
  81. * HW set-up.
  82. * @{
  83. */
  84. #if !defined (HSE_VALUE)
  85. #define HSE_VALUE 8000000U /*!< Value of the HSE oscillator in Hz */
  86. #endif /* HSE_VALUE */
  87. #if !defined (HSI_VALUE)
  88. #define HSI_VALUE 16000000U /*!< Value of the HSI oscillator in Hz */
  89. #endif /* HSI_VALUE */
  90. #if !defined (LSE_VALUE)
  91. #define LSE_VALUE 32768U /*!< Value of the LSE oscillator in Hz */
  92. #endif /* LSE_VALUE */
  93. #if !defined (LSI_VALUE)
  94. #define LSI_VALUE 32000U /*!< Value of the LSI oscillator in Hz */
  95. #endif /* LSI_VALUE */
  96. #if !defined (EXTERNAL_CLOCK_VALUE)
  97. #define EXTERNAL_CLOCK_VALUE 48000000U /*!< Value of the I2S_CKIN external oscillator in Hz */
  98. #endif /* EXTERNAL_CLOCK_VALUE */
  99. #if defined(RCC_HSI48_SUPPORT)
  100. #if !defined (HSI48_VALUE)
  101. #define HSI48_VALUE 48000000U /*!< Value of the HSI48 oscillator in Hz */
  102. #endif /* HSI48_VALUE */
  103. #endif /* RCC_HSI48_SUPPORT */
  104. /**
  105. * @}
  106. */
  107. /** @defgroup RCC_LL_EC_CLEAR_FLAG Clear Flags Defines
  108. * @brief Flags defines which can be used with LL_RCC_WriteReg function
  109. * @{
  110. */
  111. #define LL_RCC_CICR_LSIRDYC RCC_CICR_LSIRDYC /*!< LSI Ready Interrupt Clear */
  112. #define LL_RCC_CICR_LSERDYC RCC_CICR_LSERDYC /*!< LSE Ready Interrupt Clear */
  113. #define LL_RCC_CICR_HSIRDYC RCC_CICR_HSIRDYC /*!< HSI Ready Interrupt Clear */
  114. #define LL_RCC_CICR_HSERDYC RCC_CICR_HSERDYC /*!< HSE Ready Interrupt Clear */
  115. #define LL_RCC_CICR_PLLRDYC RCC_CICR_PLLRDYC /*!< PLL Ready Interrupt Clear */
  116. #define LL_RCC_CICR_LSECSSC RCC_CICR_LSECSSC /*!< LSE Clock Security System Interrupt Clear */
  117. #define LL_RCC_CICR_CSSC RCC_CICR_CSSC /*!< Clock Security System Interrupt Clear */
  118. #if defined(RCC_HSI48_SUPPORT)
  119. #define LL_RCC_CICR_HSI48RDYC RCC_CICR_HSI48RDYC /*!< HSI48 Ready Interrupt Clear */
  120. #endif /* RCC_HSI48_SUPPORT */
  121. /**
  122. * @}
  123. */
  124. /** @defgroup RCC_LL_EC_GET_FLAG Get Flags Defines
  125. * @brief Flags defines which can be used with LL_RCC_ReadReg function
  126. * @{
  127. */
  128. #define LL_RCC_CIFR_LSIRDYF RCC_CIFR_LSIRDYF /*!< LSI Ready Interrupt flag */
  129. #define LL_RCC_CIFR_LSERDYF RCC_CIFR_LSERDYF /*!< LSE Ready Interrupt flag */
  130. #define LL_RCC_CIFR_HSIRDYF RCC_CIFR_HSIRDYF /*!< HSI Ready Interrupt flag */
  131. #if defined(RCC_HSI48_SUPPORT)
  132. #define LL_RCC_CIFR_HSI48RDYF RCC_CIFR_HSI48RDYF /*!< HSI48 Ready Interrupt flag */
  133. #endif /* RCC_HSI48_SUPPORT */
  134. #define LL_RCC_CIFR_HSERDYF RCC_CIFR_HSERDYF /*!< HSE Ready Interrupt flag */
  135. #define LL_RCC_CIFR_PLLRDYF RCC_CIFR_PLLRDYF /*!< PLL Ready Interrupt flag */
  136. #define LL_RCC_CIFR_LSECSSF RCC_CIFR_LSECSSF /*!< LSE Clock Security System Interrupt flag */
  137. #define LL_RCC_CIFR_CSSF RCC_CIFR_CSSF /*!< Clock Security System Interrupt flag */
  138. #define LL_RCC_CSR_LPWRRSTF RCC_CSR_LPWRRSTF /*!< Low-Power reset flag */
  139. #define LL_RCC_CSR_OBLRSTF RCC_CSR_OBLRSTF /*!< OBL reset flag */
  140. #define LL_RCC_CSR_PINRSTF RCC_CSR_PINRSTF /*!< PIN reset flag */
  141. #define LL_RCC_CSR_SFTRSTF RCC_CSR_SFTRSTF /*!< Software Reset flag */
  142. #define LL_RCC_CSR_IWDGRSTF RCC_CSR_IWDGRSTF /*!< Independent Watchdog reset flag */
  143. #define LL_RCC_CSR_WWDGRSTF RCC_CSR_WWDGRSTF /*!< Window watchdog reset flag */
  144. #define LL_RCC_CSR_PWRRSTF RCC_CSR_PWRRSTF /*!< BOR or POR/PDR reset flag */
  145. /**
  146. * @}
  147. */
  148. /** @defgroup RCC_LL_EC_IT IT Defines
  149. * @brief IT defines which can be used with LL_RCC_ReadReg and LL_RCC_WriteReg functions
  150. * @{
  151. */
  152. #define LL_RCC_CIER_LSIRDYIE RCC_CIER_LSIRDYIE /*!< LSI Ready Interrupt Enable */
  153. #define LL_RCC_CIER_LSERDYIE RCC_CIER_LSERDYIE /*!< LSE Ready Interrupt Enable */
  154. #define LL_RCC_CIER_HSIRDYIE RCC_CIER_HSIRDYIE /*!< HSI Ready Interrupt Enable */
  155. #define LL_RCC_CIER_HSERDYIE RCC_CIER_HSERDYIE /*!< HSE Ready Interrupt Enable */
  156. #define LL_RCC_CIER_PLLRDYIE RCC_CIER_PLLRDYIE /*!< PLL Ready Interrupt Enable */
  157. #if defined(RCC_HSI48_SUPPORT)
  158. #define LL_RCC_CIER_HSI48RDYIE RCC_CIER_HSI48RDYIE /*!< HSI48 Ready Interrupt Enable */
  159. #endif /* RCC_HSI48_SUPPORT */
  160. /**
  161. * @}
  162. */
  163. /** @defgroup RCC_LL_EC_LSEDRIVE LSE oscillator drive capability
  164. * @{
  165. */
  166. #define LL_RCC_LSEDRIVE_LOW 0x00000000U /*!< Xtal mode lower driving capability */
  167. #define LL_RCC_LSEDRIVE_MEDIUMLOW RCC_BDCR_LSEDRV_0 /*!< Xtal mode medium low driving capability */
  168. #define LL_RCC_LSEDRIVE_MEDIUMHIGH RCC_BDCR_LSEDRV_1 /*!< Xtal mode medium high driving capability */
  169. #define LL_RCC_LSEDRIVE_HIGH RCC_BDCR_LSEDRV /*!< Xtal mode higher driving capability */
  170. /**
  171. * @}
  172. */
  173. /** @defgroup RCC_LL_EC_LSCO_CLKSOURCE LSCO Selection
  174. * @{
  175. */
  176. #define LL_RCC_LSCO_CLKSOURCE_LSI 0x00000000U /*!< LSI selection for low speed clock */
  177. #define LL_RCC_LSCO_CLKSOURCE_LSE RCC_BDCR_LSCOSEL /*!< LSE selection for low speed clock */
  178. /**
  179. * @}
  180. */
  181. /** @defgroup RCC_LL_EC_SYS_CLKSOURCE System clock switch
  182. * @{
  183. */
  184. #define LL_RCC_SYS_CLKSOURCE_HSI 0x00000000U /*!< HSI selection as system clock */
  185. #define LL_RCC_SYS_CLKSOURCE_HSE RCC_CFGR_SW_0 /*!< HSE selection as system clock */
  186. #define LL_RCC_SYS_CLKSOURCE_PLL RCC_CFGR_SW_1 /*!< PLL selection as system clock */
  187. #define LL_RCC_SYS_CLKSOURCE_LSI (RCC_CFGR_SW_1 | RCC_CFGR_SW_0) /*!< LSI selection used as system clock */
  188. #define LL_RCC_SYS_CLKSOURCE_LSE RCC_CFGR_SW_2 /*!< LSE selection used as system clock */
  189. /**
  190. * @}
  191. */
  192. /** @defgroup RCC_LL_EC_SYS_CLKSOURCE_STATUS System clock switch status
  193. * @{
  194. */
  195. #define LL_RCC_SYS_CLKSOURCE_STATUS_HSI 0x00000000U /*!< HSI used as system clock */
  196. #define LL_RCC_SYS_CLKSOURCE_STATUS_HSE RCC_CFGR_SWS_0 /*!< HSE used as system clock */
  197. #define LL_RCC_SYS_CLKSOURCE_STATUS_PLL RCC_CFGR_SWS_1 /*!< PLL used as system clock */
  198. #define LL_RCC_SYS_CLKSOURCE_STATUS_LSI (RCC_CFGR_SWS_1 | RCC_CFGR_SWS_0) /*!< LSI used as system clock */
  199. #define LL_RCC_SYS_CLKSOURCE_STATUS_LSE RCC_CFGR_SWS_2 /*!< LSE used as system clock */
  200. /**
  201. * @}
  202. */
  203. /** @defgroup RCC_LL_EC_SYSCLK_DIV AHB prescaler
  204. * @{
  205. */
  206. #define LL_RCC_SYSCLK_DIV_1 0x00000000U /*!< SYSCLK not divided */
  207. #define LL_RCC_SYSCLK_DIV_2 RCC_CFGR_HPRE_3 /*!< SYSCLK divided by 2 */
  208. #define LL_RCC_SYSCLK_DIV_4 (RCC_CFGR_HPRE_3 | RCC_CFGR_HPRE_0) /*!< SYSCLK divided by 4 */
  209. #define LL_RCC_SYSCLK_DIV_8 (RCC_CFGR_HPRE_3 | RCC_CFGR_HPRE_1) /*!< SYSCLK divided by 8 */
  210. #define LL_RCC_SYSCLK_DIV_16 (RCC_CFGR_HPRE_3 | RCC_CFGR_HPRE_1 | RCC_CFGR_HPRE_0) /*!< SYSCLK divided by 16 */
  211. #define LL_RCC_SYSCLK_DIV_64 (RCC_CFGR_HPRE_3 | RCC_CFGR_HPRE_2) /*!< SYSCLK divided by 64 */
  212. #define LL_RCC_SYSCLK_DIV_128 (RCC_CFGR_HPRE_3 | RCC_CFGR_HPRE_2 | RCC_CFGR_HPRE_0) /*!< SYSCLK divided by 128 */
  213. #define LL_RCC_SYSCLK_DIV_256 (RCC_CFGR_HPRE_3 | RCC_CFGR_HPRE_2 | RCC_CFGR_HPRE_1) /*!< SYSCLK divided by 256 */
  214. #define LL_RCC_SYSCLK_DIV_512 (RCC_CFGR_HPRE_3 | RCC_CFGR_HPRE_2 | RCC_CFGR_HPRE_1 | RCC_CFGR_HPRE_0) /*!< SYSCLK divided by 512 */
  215. /**
  216. * @}
  217. */
  218. /** @defgroup RCC_LL_EC_APB1_DIV APB low-speed prescaler (APB1)
  219. * @{
  220. */
  221. #define LL_RCC_APB1_DIV_1 0x00000000U /*!< HCLK not divided */
  222. #define LL_RCC_APB1_DIV_2 RCC_CFGR_PPRE_2 /*!< HCLK divided by 2 */
  223. #define LL_RCC_APB1_DIV_4 (RCC_CFGR_PPRE_2 | RCC_CFGR_PPRE_0) /*!< HCLK divided by 4 */
  224. #define LL_RCC_APB1_DIV_8 (RCC_CFGR_PPRE_2 | RCC_CFGR_PPRE_1) /*!< HCLK divided by 8 */
  225. #define LL_RCC_APB1_DIV_16 (RCC_CFGR_PPRE_2 | RCC_CFGR_PPRE_1 | RCC_CFGR_PPRE_0) /*!< HCLK divided by 16 */
  226. /**
  227. * @}
  228. */
  229. /** @defgroup RCC_LL_EC_HSI_DIV HSI division factor
  230. * @{
  231. */
  232. #define LL_RCC_HSI_DIV_1 0x00000000U /*!< HSI not divided */
  233. #define LL_RCC_HSI_DIV_2 RCC_CR_HSIDIV_0 /*!< HSI divided by 2 */
  234. #define LL_RCC_HSI_DIV_4 RCC_CR_HSIDIV_1 /*!< HSI divided by 4 */
  235. #define LL_RCC_HSI_DIV_8 (RCC_CR_HSIDIV_1 | RCC_CR_HSIDIV_0) /*!< HSI divided by 8 */
  236. #define LL_RCC_HSI_DIV_16 RCC_CR_HSIDIV_2 /*!< HSI divided by 16 */
  237. #define LL_RCC_HSI_DIV_32 (RCC_CR_HSIDIV_2 | RCC_CR_HSIDIV_0) /*!< HSI divided by 32 */
  238. #define LL_RCC_HSI_DIV_64 (RCC_CR_HSIDIV_2 | RCC_CR_HSIDIV_1) /*!< HSI divided by 64 */
  239. #define LL_RCC_HSI_DIV_128 RCC_CR_HSIDIV /*!< HSI divided by 128 */
  240. /**
  241. * @}
  242. */
  243. /** @defgroup RCC_LL_EC_MCO1SOURCE MCO1 SOURCE selection
  244. * @{
  245. */
  246. #define LL_RCC_MCO1SOURCE_NOCLOCK 0x00000000U /*!< MCO output disabled, no clock on MCO */
  247. #define LL_RCC_MCO1SOURCE_SYSCLK RCC_CFGR_MCOSEL_0 /*!< SYSCLK selection as MCO1 source */
  248. #if defined(RCC_HSI48_SUPPORT)
  249. #define LL_RCC_MCO1SOURCE_HSI48 RCC_CFGR_MCOSEL_1 /*!< HSI48 selection as MCO1 source */
  250. #endif /* RCC_HSI48_SUPPORT */
  251. #define LL_RCC_MCO1SOURCE_HSI (RCC_CFGR_MCOSEL_0| RCC_CFGR_MCOSEL_1) /*!< HSI16 selection as MCO1 source */
  252. #define LL_RCC_MCO1SOURCE_HSE RCC_CFGR_MCOSEL_2 /*!< HSE selection as MCO1 source */
  253. #define LL_RCC_MCO1SOURCE_PLLCLK (RCC_CFGR_MCOSEL_0|RCC_CFGR_MCOSEL_2) /*!< Main PLL selection as MCO1 source */
  254. #define LL_RCC_MCO1SOURCE_LSI (RCC_CFGR_MCOSEL_1|RCC_CFGR_MCOSEL_2) /*!< LSI selection as MCO1 source */
  255. #define LL_RCC_MCO1SOURCE_LSE (RCC_CFGR_MCOSEL_0|RCC_CFGR_MCOSEL_1|RCC_CFGR_MCOSEL_2) /*!< LSE selection as MCO1 source */
  256. #if defined(RCC_CFGR_MCOSEL_3)
  257. #define LL_RCC_MCO1SOURCE_PLLPCLK RCC_CFGR_MCOSEL_3 /*!< PLLPCLK selection as MCO1 source */
  258. #define LL_RCC_MCO1SOURCE_PLLQCLK (RCC_CFGR_MCOSEL_3|RCC_CFGR_MCOSEL_0) /*!< PLLQCLK selection as MCO1 source */
  259. #define LL_RCC_MCO1SOURCE_RTCCLK (RCC_CFGR_MCOSEL_3|RCC_CFGR_MCOSEL_1) /*!< RTCCLK selection as MCO1 source */
  260. #define LL_RCC_MCO1SOURCE_RTC_WKUP (RCC_CFGR_MCOSEL_3|RCC_CFGR_MCOSEL_1|RCC_CFGR_MCOSEL_0) /*!< RTC_Wakeup selection as MCO1 source */
  261. #endif /* RCC_CFGR_MCOSEL_3 */
  262. /**
  263. * @}
  264. */
  265. /** @defgroup RCC_LL_EC_MCO1_DIV MCO1 prescaler
  266. * @{
  267. */
  268. #define LL_RCC_MCO1_DIV_1 0x00000000U /*!< MCO1 not divided */
  269. #define LL_RCC_MCO1_DIV_2 RCC_CFGR_MCOPRE_0 /*!< MCO1 divided by 2 */
  270. #define LL_RCC_MCO1_DIV_4 RCC_CFGR_MCOPRE_1 /*!< MCO1 divided by 4 */
  271. #define LL_RCC_MCO1_DIV_8 (RCC_CFGR_MCOPRE_1 | RCC_CFGR_MCOPRE_0) /*!< MCO1 divided by 8 */
  272. #define LL_RCC_MCO1_DIV_16 RCC_CFGR_MCOPRE_2 /*!< MCO1 divided by 16 */
  273. #define LL_RCC_MCO1_DIV_32 (RCC_CFGR_MCOPRE_2 | RCC_CFGR_MCOPRE_0) /*!< MCO1 divided by 32 */
  274. #define LL_RCC_MCO1_DIV_64 (RCC_CFGR_MCOPRE_2 | RCC_CFGR_MCOPRE_1) /*!< MCO1 divided by 64 */
  275. #define LL_RCC_MCO1_DIV_128 (RCC_CFGR_MCOPRE_2 | RCC_CFGR_MCOPRE_1 | RCC_CFGR_MCOPRE_0) /*!< MCO1 divided by 128 */
  276. #if defined(RCC_CFGR_MCOPRE_3)
  277. #define LL_RCC_MCO1_DIV_256 RCC_CFGR_MCOPRE_3 /*!< MCO divided by 256 */
  278. #define LL_RCC_MCO1_DIV_512 (RCC_CFGR_MCOPRE_3 | RCC_CFGR_MCOPRE_0) /*!< MCO divided by 512 */
  279. #define LL_RCC_MCO1_DIV_1024 (RCC_CFGR_MCOPRE_3 | RCC_CFGR_MCOPRE_1) /*!< MCO divided by 1024 */
  280. #endif /* RCC_CFGR_MCOPRE_3 */
  281. /**
  282. * @}
  283. */
  284. #if defined(RCC_MCO2_SUPPORT)
  285. /** @defgroup RCC_LL_EC_MCO2SOURCE MCO2 SOURCE selection
  286. * @{
  287. */
  288. #define LL_RCC_MCO2SOURCE_NOCLOCK 0x00000000U /*!< MCO output disabled, no clock on MCO */
  289. #define LL_RCC_MCO2SOURCE_SYSCLK RCC_CFGR_MCO2SEL_0 /*!< SYSCLK selection as MCO2 source */
  290. #if defined(RCC_HSI48_SUPPORT)
  291. #define LL_RCC_MCO2SOURCE_HSI48 RCC_CFGR_MCO2SEL_1 /*!< HSI48 selection as MCO2 source */
  292. #endif /* RCC_HSI48_SUPPORT */
  293. #define LL_RCC_MCO2SOURCE_HSI (RCC_CFGR_MCO2SEL_1 | RCC_CFGR_MCO2SEL_0) /*!< HSI16 selection as MCO2 source */
  294. #define LL_RCC_MCO2SOURCE_HSE RCC_CFGR_MCO2SEL_2 /*!< HSE selection as MCO2 source */
  295. #define LL_RCC_MCO2SOURCE_PLLCLK (RCC_CFGR_MCO2SEL_2 | RCC_CFGR_MCO2SEL_0) /*!< Main PLL "R" clock selection as MCO2 source */
  296. #define LL_RCC_MCO2SOURCE_LSI (RCC_CFGR_MCO2SEL_2 | RCC_CFGR_MCO2SEL_1) /*!< LSI selection as MCO2 source */
  297. #define LL_RCC_MCO2SOURCE_LSE (RCC_CFGR_MCO2SEL_2 | RCC_CFGR_MCO2SEL_1 | RCC_CFGR_MCO2SEL_0) /*!< LSE selection as MCO2 source */
  298. #define LL_RCC_MCO2SOURCE_PLLPCLK RCC_CFGR_MCO2SEL_3 /*!< PLL "P" clock selection as MCO2 source */
  299. #define LL_RCC_MCO2SOURCE_PLLQCLK (RCC_CFGR_MCO2SEL_3 | RCC_CFGR_MCO2SEL_0) /*!< PLL "Q" clock selection as MCO2 source */
  300. #define LL_RCC_MCO2SOURCE_RTCCLK (RCC_CFGR_MCO2SEL_3 | RCC_CFGR_MCO2SEL_1) /*!< RTC Clock selection as MCO2 source */
  301. #define LL_RCC_MCO2SOURCE_RTC_WKUP (RCC_CFGR_MCO2SEL_3 | RCC_CFGR_MCO2SEL_1 | RCC_CFGR_MCO2SEL_0) /*!< RTC Wakeup timer selection as MCO2 source */
  302. /**
  303. * @}
  304. */
  305. /** @defgroup RCC_LL_EC_MCO2_DIV MCO2 prescaler
  306. * @{
  307. */
  308. #define LL_RCC_MCO2_DIV_1 0x00000000U /*!< MCO2 not divided */
  309. #define LL_RCC_MCO2_DIV_2 RCC_CFGR_MCO2PRE_0 /*!< MCO2 divided by 2 */
  310. #define LL_RCC_MCO2_DIV_4 RCC_CFGR_MCO2PRE_1 /*!< MCO2 divided by 4 */
  311. #define LL_RCC_MCO2_DIV_8 (RCC_CFGR_MCO2PRE_1 | RCC_CFGR_MCO2PRE_0) /*!< MCO2 divided by 8 */
  312. #define LL_RCC_MCO2_DIV_16 RCC_CFGR_MCO2PRE_2 /*!< MCO2 divided by 16 */
  313. #define LL_RCC_MCO2_DIV_32 (RCC_CFGR_MCO2PRE_2 | RCC_CFGR_MCO2PRE_0) /*!< MCO2 divided by 32 */
  314. #define LL_RCC_MCO2_DIV_64 (RCC_CFGR_MCO2PRE_2 | RCC_CFGR_MCO2PRE_1) /*!< MCO2 divided by 64 */
  315. #define LL_RCC_MCO2_DIV_128 (RCC_CFGR_MCO2PRE_2 | RCC_CFGR_MCO2PRE_1 | RCC_CFGR_MCO2PRE_0) /*!< MCO2 divided by 128 */
  316. #define LL_RCC_MCO2_DIV_256 RCC_CFGR_MCO2PRE_3 /*!< MCO2 divided by 256 */
  317. #define LL_RCC_MCO2_DIV_512 (RCC_CFGR_MCO2PRE_3 | RCC_CFGR_MCO2PRE_0) /*!< MCO2 divided by 512 */
  318. #define LL_RCC_MCO2_DIV_1024 (RCC_CFGR_MCO2PRE_3 | RCC_CFGR_MCO2PRE_1) /*!< MCO2 divided by 1024 */
  319. /**
  320. * @}
  321. */
  322. #endif /* RCC_MCO2_SUPPORT */
  323. #if defined(USE_FULL_LL_DRIVER)
  324. /** @defgroup RCC_LL_EC_PERIPH_FREQUENCY Peripheral clock frequency
  325. * @{
  326. */
  327. #define LL_RCC_PERIPH_FREQUENCY_NO 0x00000000U /*!< No clock enabled for the peripheral */
  328. #define LL_RCC_PERIPH_FREQUENCY_NA 0xFFFFFFFFU /*!< Frequency cannot be provided as external clock */
  329. /**
  330. * @}
  331. */
  332. #endif /* USE_FULL_LL_DRIVER */
  333. /** @defgroup RCC_LL_EC_USARTx_CLKSOURCE Peripheral USART clock source selection
  334. * @{
  335. */
  336. #define LL_RCC_USART1_CLKSOURCE_PCLK1 ((RCC_CCIPR_USART1SEL << 16U) | 0x00000000U) /*!< PCLK1 clock used as USART1 clock source */
  337. #define LL_RCC_USART1_CLKSOURCE_SYSCLK ((RCC_CCIPR_USART1SEL << 16U) | RCC_CCIPR_USART1SEL_0) /*!< SYSCLK clock used as USART1 clock source */
  338. #define LL_RCC_USART1_CLKSOURCE_HSI ((RCC_CCIPR_USART1SEL << 16U) | RCC_CCIPR_USART1SEL_1) /*!< HSI clock used as USART1 clock source */
  339. #define LL_RCC_USART1_CLKSOURCE_LSE ((RCC_CCIPR_USART1SEL << 16U) | RCC_CCIPR_USART1SEL) /*!< LSE clock used as USART1 clock source */
  340. #if defined(RCC_CCIPR_USART2SEL)
  341. #define LL_RCC_USART2_CLKSOURCE_PCLK1 ((RCC_CCIPR_USART2SEL << 16U) | 0x00000000U) /*!< PCLK1 clock used as USART2 clock source */
  342. #define LL_RCC_USART2_CLKSOURCE_SYSCLK ((RCC_CCIPR_USART2SEL << 16U) | RCC_CCIPR_USART2SEL_0) /*!< SYSCLK clock used as USART2 clock source */
  343. #define LL_RCC_USART2_CLKSOURCE_HSI ((RCC_CCIPR_USART2SEL << 16U) | RCC_CCIPR_USART2SEL_1) /*!< HSI clock used as USART2 clock source */
  344. #define LL_RCC_USART2_CLKSOURCE_LSE ((RCC_CCIPR_USART2SEL << 16U) | RCC_CCIPR_USART2SEL) /*!< LSE clock used as USART2 clock source */
  345. #endif /* RCC_CCIPR_USART2SEL */
  346. #if defined(RCC_CCIPR_USART3SEL)
  347. #define LL_RCC_USART3_CLKSOURCE_PCLK1 ((RCC_CCIPR_USART3SEL << 16U) | 0x00000000U) /*!< PCLK1 clock used as USART3 clock source */
  348. #define LL_RCC_USART3_CLKSOURCE_SYSCLK ((RCC_CCIPR_USART3SEL << 16U) | RCC_CCIPR_USART3SEL_0) /*!< SYSCLK clock used as USART3 clock source */
  349. #define LL_RCC_USART3_CLKSOURCE_HSI ((RCC_CCIPR_USART3SEL << 16U) | RCC_CCIPR_USART3SEL_1) /*!< HSI clock used as USART3 clock source */
  350. #define LL_RCC_USART3_CLKSOURCE_LSE ((RCC_CCIPR_USART3SEL << 16U) | RCC_CCIPR_USART3SEL) /*!< LSE clock used as USART3 clock source */
  351. #endif /* RCC_CCIPR_USART3SEL */
  352. /**
  353. * @}
  354. */
  355. #if defined(LPUART1) || defined(LPUART2)
  356. /** @defgroup RCC_LL_EC_LPUARTx_CLKSOURCE Peripheral LPUART clock source selection
  357. * @{
  358. */
  359. #if defined(LPUART2)
  360. #define LL_RCC_LPUART2_CLKSOURCE_PCLK1 ((RCC_CCIPR_LPUART2SEL << 16U) | 0x00000000U) /*!< PCLK1 clock used as LPUART2 clock source */
  361. #define LL_RCC_LPUART2_CLKSOURCE_SYSCLK ((RCC_CCIPR_LPUART2SEL << 16U) | RCC_CCIPR_LPUART2SEL_0) /*!< SYSCLK clock used as LPUART2 clock source */
  362. #define LL_RCC_LPUART2_CLKSOURCE_HSI ((RCC_CCIPR_LPUART2SEL << 16U) | RCC_CCIPR_LPUART2SEL_1) /*!< HSI clock used as LPUART2 clock source */
  363. #define LL_RCC_LPUART2_CLKSOURCE_LSE ((RCC_CCIPR_LPUART2SEL << 16U) | RCC_CCIPR_LPUART2SEL) /*!< LSE clock used as LPUART2 clock source */
  364. #endif /* LPUART2 */
  365. #define LL_RCC_LPUART1_CLKSOURCE_PCLK1 ((RCC_CCIPR_LPUART1SEL << 16U) | 0x00000000U) /*!< PCLK1 clock used as LPUART1 clock source */
  366. #define LL_RCC_LPUART1_CLKSOURCE_SYSCLK ((RCC_CCIPR_LPUART1SEL << 16U) | RCC_CCIPR_LPUART1SEL_0) /*!< SYSCLK clock used as LPUART1 clock source */
  367. #define LL_RCC_LPUART1_CLKSOURCE_HSI ((RCC_CCIPR_LPUART1SEL << 16U) | RCC_CCIPR_LPUART1SEL_1) /*!< HSI clock used as LPUART1 clock source */
  368. #define LL_RCC_LPUART1_CLKSOURCE_LSE ((RCC_CCIPR_LPUART1SEL << 16U) | RCC_CCIPR_LPUART1SEL) /*!< LSE clock used as LPUART1 clock source */
  369. /**
  370. * @}
  371. */
  372. #endif /* LPUART1 || LPUART2 */
  373. /** @defgroup RCC_LL_EC_I2Cx_CLKSOURCE Peripheral I2C clock source selection
  374. * @{
  375. */
  376. #define LL_RCC_I2C1_CLKSOURCE_PCLK1 ((RCC_CCIPR_I2C1SEL << 16U) | 0x00000000U) /*!< PCLK1 clock used as I2C1 clock source */
  377. #define LL_RCC_I2C1_CLKSOURCE_SYSCLK ((RCC_CCIPR_I2C1SEL << 16U) | RCC_CCIPR_I2C1SEL_0) /*!< SYSCLK clock used as I2C1 clock source */
  378. #define LL_RCC_I2C1_CLKSOURCE_HSI ((RCC_CCIPR_I2C1SEL << 16U) | RCC_CCIPR_I2C1SEL_1) /*!< HSI clock used as I2C1 clock source */
  379. #if defined(RCC_CCIPR_I2C2SEL)
  380. #define LL_RCC_I2C2_CLKSOURCE_PCLK1 ((RCC_CCIPR_I2C2SEL << 16U) | 0x00000000U) /*!< PCLK1 clock used as I2C2 clock source */
  381. #define LL_RCC_I2C2_CLKSOURCE_SYSCLK ((RCC_CCIPR_I2C2SEL << 16U) | RCC_CCIPR_I2C2SEL_0) /*!< SYSCLK clock used as I2C2 clock source */
  382. #define LL_RCC_I2C2_CLKSOURCE_HSI ((RCC_CCIPR_I2C2SEL << 16U) | RCC_CCIPR_I2C2SEL_1) /*!< HSI clock used as I2C2 clock source */
  383. #endif /* RCC_CCIPR_I2C2SEL */
  384. /**
  385. * @}
  386. */
  387. /** @defgroup RCC_LL_EC_I2Sx_CLKSOURCE Peripheral I2S clock source selection
  388. * @{
  389. */
  390. #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
  391. #define LL_RCC_I2S1_CLKSOURCE_SYSCLK ((RCC_CCIPR2_I2S1SEL << 16U) | 0x00000000U) /*!< SYSCLK clock used as I2S1 clock source */
  392. #define LL_RCC_I2S1_CLKSOURCE_PLL ((RCC_CCIPR2_I2S1SEL << 16U) | RCC_CCIPR2_I2S1SEL_0) /*!< PLL clock used as I2S1 clock source */
  393. #define LL_RCC_I2S1_CLKSOURCE_HSI ((RCC_CCIPR2_I2S1SEL << 16U) | RCC_CCIPR2_I2S1SEL_1) /*!< HSI clock used as I2S1 clock source */
  394. #define LL_RCC_I2S1_CLKSOURCE_PIN ((RCC_CCIPR2_I2S1SEL << 16U) | RCC_CCIPR2_I2S1SEL) /*!< External clock used as I2S1 clock source */
  395. #define LL_RCC_I2S2_CLKSOURCE_SYSCLK ((RCC_CCIPR2_I2S2SEL << 16U) | 0x00000000U) /*!< SYSCLK clock used as I2S2 clock source */
  396. #define LL_RCC_I2S2_CLKSOURCE_PLL ((RCC_CCIPR2_I2S2SEL << 16U) | RCC_CCIPR2_I2S2SEL_0) /*!< PLL clock used as I2S2 clock source */
  397. #define LL_RCC_I2S2_CLKSOURCE_HSI ((RCC_CCIPR2_I2S2SEL << 16U) | RCC_CCIPR2_I2S2SEL_1) /*!< HSI clock used as I2S2 clock source */
  398. #define LL_RCC_I2S2_CLKSOURCE_PIN ((RCC_CCIPR2_I2S2SEL << 16U) | RCC_CCIPR2_I2S2SEL) /*!< External clock used as I2S2 clock source */
  399. #else
  400. #define LL_RCC_I2S1_CLKSOURCE_SYSCLK 0x00000000U /*!< SYSCLK clock used as I2S1 clock source */
  401. #define LL_RCC_I2S1_CLKSOURCE_PLL RCC_CCIPR_I2S1SEL_0 /*!< PLL clock used as I2S1 clock source */
  402. #define LL_RCC_I2S1_CLKSOURCE_HSI RCC_CCIPR_I2S1SEL_1 /*!< HSI clock used as I2S1 clock source */
  403. #define LL_RCC_I2S1_CLKSOURCE_PIN RCC_CCIPR_I2S1SEL /*!< External clock used as I2S1 clock source */
  404. #endif /* STM32G0C1xx || STM32G0B1xx || STM32G0B0xx */
  405. /**
  406. * @}
  407. */
  408. #if defined(RCC_CCIPR_TIM1SEL)
  409. /** @defgroup RCC_LL_EC_TIMx_CLKSOURCE Peripheral TIM clock source selection
  410. * @{
  411. */
  412. #define LL_RCC_TIM1_CLKSOURCE_PCLK1 (RCC_CCIPR_TIM1SEL | (0x00000000U >> 16U)) /*!< PCLK1 clock used as TIM1 clock source */
  413. #define LL_RCC_TIM1_CLKSOURCE_PLL (RCC_CCIPR_TIM1SEL | (RCC_CCIPR_TIM1SEL >> 16U)) /*!< PLL used as TIM1 clock source */
  414. /**
  415. * @}
  416. */
  417. #endif /* RCC_CCIPR_TIM1SEL */
  418. #if defined(RCC_CCIPR_TIM15SEL)
  419. /** @addtogroup RCC_LL_EC_TIMx_CLKSOURCE
  420. * @{
  421. */
  422. #define LL_RCC_TIM15_CLKSOURCE_PCLK1 (RCC_CCIPR_TIM15SEL | (0x00000000U >> 16U)) /*!< PCLK1 clock used as TIM15 clock source */
  423. #define LL_RCC_TIM15_CLKSOURCE_PLL (RCC_CCIPR_TIM15SEL | (RCC_CCIPR_TIM15SEL >> 16U)) /*!< PLL used as TIM15 clock source */
  424. /**
  425. * @}
  426. */
  427. #endif /* RCC_CCIPR_TIM15SEL */
  428. #if defined(LPTIM1) && defined(LPTIM2)
  429. /** @defgroup RCC_LL_EC_LPTIMx_CLKSOURCE Peripheral LPTIM clock source selection
  430. * @{
  431. */
  432. #define LL_RCC_LPTIM1_CLKSOURCE_PCLK1 (RCC_CCIPR_LPTIM1SEL | (0x00000000U >> 16U)) /*!< PCLK1 selected as LPTIM1 clock */
  433. #define LL_RCC_LPTIM1_CLKSOURCE_LSI (RCC_CCIPR_LPTIM1SEL | (RCC_CCIPR_LPTIM1SEL_0 >> 16U)) /*!< LSI selected as LPTIM1 clock */
  434. #define LL_RCC_LPTIM1_CLKSOURCE_HSI (RCC_CCIPR_LPTIM1SEL | (RCC_CCIPR_LPTIM1SEL_1 >> 16U)) /*!< HSI selected as LPTIM1 clock */
  435. #define LL_RCC_LPTIM1_CLKSOURCE_LSE (RCC_CCIPR_LPTIM1SEL | (RCC_CCIPR_LPTIM1SEL >> 16U)) /*!< LSE selected as LPTIM1 clock */
  436. #define LL_RCC_LPTIM2_CLKSOURCE_PCLK1 (RCC_CCIPR_LPTIM2SEL | (0x00000000U >> 16U)) /*!< PCLK1 selected as LPTIM2 clock */
  437. #define LL_RCC_LPTIM2_CLKSOURCE_LSI (RCC_CCIPR_LPTIM2SEL | (RCC_CCIPR_LPTIM2SEL_0 >> 16U)) /*!< LSI selected as LPTIM2 clock */
  438. #define LL_RCC_LPTIM2_CLKSOURCE_HSI (RCC_CCIPR_LPTIM2SEL | (RCC_CCIPR_LPTIM2SEL_1 >> 16U)) /*!< HSI selected as LPTIM2 clock */
  439. #define LL_RCC_LPTIM2_CLKSOURCE_LSE (RCC_CCIPR_LPTIM2SEL | (RCC_CCIPR_LPTIM2SEL >> 16U)) /*!< LSE selected as LPTIM2 clock */
  440. /**
  441. * @}
  442. */
  443. #endif /* LPTIM1 && LPTIM2*/
  444. #if defined(CEC)
  445. /** @defgroup RCC_LL_EC_CEC_CLKSOURCE_HSI Peripheral CEC clock source selection
  446. * @{
  447. */
  448. #define LL_RCC_CEC_CLKSOURCE_HSI_DIV488 0x00000000U /*!< HSI oscillator clock divided by 488 used as CEC clock */
  449. #define LL_RCC_CEC_CLKSOURCE_LSE RCC_CCIPR_CECSEL /*!< LSE oscillator clock used as CEC clock */
  450. /**
  451. * @}
  452. */
  453. #endif /* CEC */
  454. #if defined(FDCAN1) || defined(FDCAN2)
  455. /** @defgroup RCC_LL_EC_FDCAN_CLKSOURCE_HSI Peripheral FDCAN clock source selection
  456. * @{
  457. */
  458. #define LL_RCC_FDCAN_CLKSOURCE_PCLK1 0x00000000U /*!< PCLK1 oscillator clock used as FDCAN clock */
  459. #define LL_RCC_FDCAN_CLKSOURCE_PLL RCC_CCIPR2_FDCANSEL_0 /*!< PLL "Q" oscillator clock used as FDCAN clock */
  460. #define LL_RCC_FDCAN_CLKSOURCE_HSE RCC_CCIPR2_FDCANSEL_1 /*!< HSE oscillator clock used as FDCAN clock */
  461. /**
  462. * @}
  463. */
  464. #endif /* FDCAN1 || FDCAN2 */
  465. #if defined(RNG)
  466. /** @defgroup RCC_LL_EC_RNG_CLKSOURCE Peripheral RNG clock source selection
  467. * @{
  468. */
  469. #define LL_RCC_RNG_CLKSOURCE_NONE 0x00000000U /*!< No clock used as RNG clock */
  470. #define LL_RCC_RNG_CLKSOURCE_HSI_DIV8 RCC_CCIPR_RNGSEL_0 /*!< HSI oscillator clock divided by 8 used as RNG clock, available on cut2.0 */
  471. #define LL_RCC_RNG_CLKSOURCE_SYSCLK RCC_CCIPR_RNGSEL_1 /*!< SYSCLK divided by 1 used as RNG clock */
  472. #define LL_RCC_RNG_CLKSOURCE_PLL RCC_CCIPR_RNGSEL /*!< PLL used as RNG clock */
  473. /**
  474. * @}
  475. */
  476. #endif /* RNG */
  477. #if defined(RNG)
  478. /** @defgroup RCC_LL_EC_RNG_CLK_DIV Peripheral RNG clock division factor
  479. * @{
  480. */
  481. #define LL_RCC_RNG_CLK_DIV1 0x00000000U /*!< RNG clock not divided */
  482. #define LL_RCC_RNG_CLK_DIV2 RCC_CCIPR_RNGDIV_0 /*!< RNG clock divided by 2 */
  483. #define LL_RCC_RNG_CLK_DIV4 RCC_CCIPR_RNGDIV_1 /*!< RNG clock divided by 4 */
  484. #define LL_RCC_RNG_CLK_DIV8 RCC_CCIPR_RNGDIV /*!< RNG clock divided by 8 */
  485. /**
  486. * @}
  487. */
  488. #endif /* RNG */
  489. #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
  490. /** @defgroup RCC_LL_EC_USB_CLKSOURCE Peripheral USB clock source selection
  491. * @{
  492. */
  493. #if defined(RCC_HSI48_SUPPORT)
  494. #define LL_RCC_USB_CLKSOURCE_HSI48 0x00000000U /*!< HSI48 clock used as USB clock source */
  495. #endif /* RCC_HSI48_SUPPORT */
  496. #define LL_RCC_USB_CLKSOURCE_HSE RCC_CCIPR2_USBSEL_0 /*!< PLL clock used as USB clock source */
  497. #define LL_RCC_USB_CLKSOURCE_PLL RCC_CCIPR2_USBSEL_1 /*!< PLL clock used as USB clock source */
  498. /**
  499. * @}
  500. */
  501. #endif /* STM32G0C1xx || STM32G0B1xx || STM32G0B0xx */
  502. /** @defgroup RCC_LL_EC_ADC_CLKSOURCE Peripheral ADC clock source selection
  503. * @{
  504. */
  505. #define LL_RCC_ADC_CLKSOURCE_SYSCLK 0x00000000U /*!< SYSCLK used as ADC clock */
  506. #define LL_RCC_ADC_CLKSOURCE_PLL RCC_CCIPR_ADCSEL_0 /*!< PLL used as ADC clock */
  507. #define LL_RCC_ADC_CLKSOURCE_HSI RCC_CCIPR_ADCSEL_1 /*!< HSI used as ADC clock */
  508. /**
  509. * @}
  510. */
  511. /** @defgroup RCC_LL_EC_USARTx Peripheral USARTx get clock source
  512. * @{
  513. */
  514. #define LL_RCC_USART1_CLKSOURCE RCC_CCIPR_USART1SEL /*!< USART1 Clock source selection */
  515. #if defined(RCC_CCIPR_USART2SEL)
  516. #define LL_RCC_USART2_CLKSOURCE RCC_CCIPR_USART2SEL /*!< USART2 Clock source selection */
  517. #endif /* RCC_CCIPR_USART2SEL */
  518. #if defined(RCC_CCIPR_USART3SEL)
  519. #define LL_RCC_USART3_CLKSOURCE RCC_CCIPR_USART3SEL /*!< USART3 Clock source selection */
  520. #endif /* RCC_CCIPR_USART3SEL */
  521. /**
  522. * @}
  523. */
  524. #if defined(LPUART1)
  525. /** @defgroup RCC_LL_EC_LPUART1 Peripheral LPUART get clock source
  526. * @{
  527. */
  528. #define LL_RCC_LPUART1_CLKSOURCE RCC_CCIPR_LPUART1SEL /*!< LPUART1 Clock source selection */
  529. #if defined(LPUART2)
  530. #define LL_RCC_LPUART2_CLKSOURCE RCC_CCIPR_LPUART2SEL /*!< LPUART2 Clock source selection */
  531. #endif /* LPUART2 */
  532. /**
  533. * @}
  534. */
  535. #endif /* LPUART1 */
  536. /** @defgroup RCC_LL_EC_I2C1 Peripheral I2C get clock source
  537. * @{
  538. */
  539. #define LL_RCC_I2C1_CLKSOURCE RCC_CCIPR_I2C1SEL /*!< I2C1 Clock source selection */
  540. #if defined(RCC_CCIPR_I2C2SEL)
  541. #define LL_RCC_I2C2_CLKSOURCE RCC_CCIPR_I2C2SEL /*!< I2C2 Clock source selection */
  542. #endif /* RCC_CCIPR_I2C2SEL */
  543. /**
  544. * @}
  545. */
  546. /** @defgroup RCC_LL_EC_I2S1 Peripheral I2S get clock source
  547. * @{
  548. */
  549. #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
  550. #define LL_RCC_I2S1_CLKSOURCE RCC_CCIPR2_I2S1SEL /*!< I2S1 Clock source selection */
  551. #define LL_RCC_I2S2_CLKSOURCE RCC_CCIPR2_I2S2SEL /*!< I2S2 Clock source selection */
  552. #else
  553. #define LL_RCC_I2S1_CLKSOURCE RCC_CCIPR_I2S1SEL /*!< I2S1 Clock source selection */
  554. #endif /* STM32G0C1xx || STM32G0B1xx || STM32G0B0xx */
  555. /**
  556. * @}
  557. */
  558. #if defined(RCC_CCIPR_TIM1SEL)
  559. /** @defgroup RCC_LL_EC_TIMx Peripheral TIMx get clock source
  560. * @{
  561. */
  562. #define LL_RCC_TIM1_CLKSOURCE RCC_CCIPR_TIM1SEL /*!< TIM1 Clock source selection */
  563. #if defined(RCC_CCIPR_TIM15SEL)
  564. #define LL_RCC_TIM15_CLKSOURCE RCC_CCIPR_TIM15SEL /*!< TIM15 Clock source selection */
  565. #endif /* RCC_CCIPR_TIM15SEL */
  566. /**
  567. * @}
  568. */
  569. #endif /* RCC_CCIPR_TIM1SEL */
  570. #if defined(LPTIM1) && defined(LPTIM2)
  571. /** @defgroup RCC_LL_EC_LPTIM1 Peripheral LPTIM get clock source
  572. * @{
  573. */
  574. #define LL_RCC_LPTIM1_CLKSOURCE RCC_CCIPR_LPTIM1SEL /*!< LPTIM2 Clock source selection */
  575. #define LL_RCC_LPTIM2_CLKSOURCE RCC_CCIPR_LPTIM2SEL /*!< LPTIM2 Clock source selection */
  576. /**
  577. * @}
  578. */
  579. #endif /* LPTIM1 && LPTIM2 */
  580. #if defined(CEC)
  581. /** @defgroup RCC_LL_EC_CEC Peripheral CEC get clock source
  582. * @{
  583. */
  584. #define LL_RCC_CEC_CLKSOURCE RCC_CCIPR_CECSEL /*!< CEC Clock source selection */
  585. /**
  586. * @}
  587. */
  588. #endif /* CEC */
  589. #if defined(FDCAN1) || defined(FDCAN2)
  590. /** @defgroup RCC_LL_EC_FDCAN Peripheral FDCAN get clock source
  591. * @{
  592. */
  593. #define LL_RCC_FDCAN_CLKSOURCE RCC_CCIPR2_FDCANSEL /*!< FDCAN Clock source selection */
  594. /**
  595. * @}
  596. */
  597. #endif /* FDCAN1 */
  598. #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
  599. /** @defgroup RCC_LL_EC_USB Peripheral USB get clock source
  600. * @{
  601. */
  602. #define LL_RCC_USB_CLKSOURCE RCC_CCIPR2_USBSEL /*!< USB Clock source selection */
  603. /**
  604. * @}
  605. */
  606. #endif /* STM32G0C1xx || STM32G0B1xx || STM32G0B0xx */
  607. #if defined(RNG)
  608. /** @defgroup RCC_LL_EC_RNG Peripheral RNG get clock source
  609. * @{
  610. */
  611. #define LL_RCC_RNG_CLKSOURCE RCC_CCIPR_RNGSEL /*!< RNG Clock source selection */
  612. /**
  613. * @}
  614. */
  615. /** @defgroup RCC_LL_EC_RNG_DIV Peripheral RNG get clock division factor
  616. * @{
  617. */
  618. #define LL_RCC_RNG_CLKDIV RCC_CCIPR_RNGDIV /*!< RNG Clock division factor */
  619. /**
  620. * @}
  621. */
  622. #endif /* RNG */
  623. /** @defgroup RCC_LL_EC_ADC Peripheral ADC get clock source
  624. * @{
  625. */
  626. #define LL_RCC_ADC_CLKSOURCE RCC_CCIPR_ADCSEL /*!< ADC Clock source selection */
  627. /**
  628. * @}
  629. */
  630. /** @defgroup RCC_LL_EC_RTC_CLKSOURCE RTC clock source selection
  631. * @{
  632. */
  633. #define LL_RCC_RTC_CLKSOURCE_NONE 0x00000000U /*!< No clock used as RTC clock */
  634. #define LL_RCC_RTC_CLKSOURCE_LSE RCC_BDCR_RTCSEL_0 /*!< LSE oscillator clock used as RTC clock */
  635. #define LL_RCC_RTC_CLKSOURCE_LSI RCC_BDCR_RTCSEL_1 /*!< LSI oscillator clock used as RTC clock */
  636. #define LL_RCC_RTC_CLKSOURCE_HSE_DIV32 RCC_BDCR_RTCSEL /*!< HSE oscillator clock divided by 32 used as RTC clock */
  637. /**
  638. * @}
  639. */
  640. /** @defgroup RCC_LL_EC_PLLSOURCE PLL entry clock source
  641. * @{
  642. */
  643. #define LL_RCC_PLLSOURCE_NONE 0x00000000U /*!< No clock */
  644. #define LL_RCC_PLLSOURCE_HSI RCC_PLLCFGR_PLLSRC_HSI /*!< HSI16 clock selected as PLL entry clock source */
  645. #define LL_RCC_PLLSOURCE_HSE RCC_PLLCFGR_PLLSRC_HSE /*!< HSE clock selected as PLL entry clock source */
  646. /**
  647. * @}
  648. */
  649. /** @defgroup RCC_LL_EC_PLLM_DIV PLL division factor (PLLM)
  650. * @{
  651. */
  652. #define LL_RCC_PLLM_DIV_1 0x00000000U /*!< PLL division factor by 1 */
  653. #define LL_RCC_PLLM_DIV_2 (RCC_PLLCFGR_PLLM_0) /*!< PLL division factor by 2 */
  654. #define LL_RCC_PLLM_DIV_3 (RCC_PLLCFGR_PLLM_1) /*!< PLL division factor by 3 */
  655. #define LL_RCC_PLLM_DIV_4 ((RCC_PLLCFGR_PLLM_1 | RCC_PLLCFGR_PLLM_0)) /*!< PLL division factor by 4 */
  656. #define LL_RCC_PLLM_DIV_5 (RCC_PLLCFGR_PLLM_2) /*!< PLL division factor by 5 */
  657. #define LL_RCC_PLLM_DIV_6 ((RCC_PLLCFGR_PLLM_2 | RCC_PLLCFGR_PLLM_0)) /*!< PLL division factor by 6 */
  658. #define LL_RCC_PLLM_DIV_7 ((RCC_PLLCFGR_PLLM_2 | RCC_PLLCFGR_PLLM_1)) /*!< PLL division factor by 7 */
  659. #define LL_RCC_PLLM_DIV_8 (RCC_PLLCFGR_PLLM) /*!< PLL division factor by 8 */
  660. /**
  661. * @}
  662. */
  663. /** @defgroup RCC_LL_EC_PLLR_DIV PLL division factor (PLLR)
  664. * @{
  665. */
  666. #define LL_RCC_PLLR_DIV_2 (RCC_PLLCFGR_PLLR_0) /*!< Main PLL division factor for PLLCLK (system clock) by 2 */
  667. #define LL_RCC_PLLR_DIV_3 (RCC_PLLCFGR_PLLR_1) /*!< Main PLL division factor for PLLCLK (system clock) by 3 */
  668. #define LL_RCC_PLLR_DIV_4 (RCC_PLLCFGR_PLLR_1|RCC_PLLCFGR_PLLR_0) /*!< Main PLL division factor for PLLCLK (system clock) by 4 */
  669. #define LL_RCC_PLLR_DIV_5 (RCC_PLLCFGR_PLLR_2) /*!< Main PLL division factor for PLLCLK (system clock) by 5 */
  670. #define LL_RCC_PLLR_DIV_6 (RCC_PLLCFGR_PLLR_2|RCC_PLLCFGR_PLLR_0) /*!< Main PLL division factor for PLLCLK (system clock) by 6 */
  671. #define LL_RCC_PLLR_DIV_7 (RCC_PLLCFGR_PLLR_2|RCC_PLLCFGR_PLLR_1) /*!< Main PLL division factor for PLLCLK (system clock) by 7 */
  672. #define LL_RCC_PLLR_DIV_8 (RCC_PLLCFGR_PLLR) /*!< Main PLL division factor for PLLCLK (system clock) by 8 */
  673. /**
  674. * @}
  675. */
  676. /** @defgroup RCC_LL_EC_PLLP_DIV PLL division factor (PLLP)
  677. * @{
  678. */
  679. #define LL_RCC_PLLP_DIV_2 (RCC_PLLCFGR_PLLP_0) /*!< Main PLL division factor for PLLP output by 2 */
  680. #define LL_RCC_PLLP_DIV_3 (RCC_PLLCFGR_PLLP_1) /*!< Main PLL division factor for PLLP output by 3 */
  681. #define LL_RCC_PLLP_DIV_4 (RCC_PLLCFGR_PLLP_0|RCC_PLLCFGR_PLLP_1) /*!< Main PLL division factor for PLLP output by 4 */
  682. #define LL_RCC_PLLP_DIV_5 (RCC_PLLCFGR_PLLP_2) /*!< Main PLL division factor for PLLP output by 5 */
  683. #define LL_RCC_PLLP_DIV_6 (RCC_PLLCFGR_PLLP_0|RCC_PLLCFGR_PLLP_2) /*!< Main PLL division factor for PLLP output by 6 */
  684. #define LL_RCC_PLLP_DIV_7 (RCC_PLLCFGR_PLLP_1|RCC_PLLCFGR_PLLP_2) /*!< Main PLL division factor for PLLP output by 7 */
  685. #define LL_RCC_PLLP_DIV_8 (RCC_PLLCFGR_PLLP_0|RCC_PLLCFGR_PLLP_1|RCC_PLLCFGR_PLLP_2) /*!< Main PLL division factor for PLLP output by 8 */
  686. #define LL_RCC_PLLP_DIV_9 (RCC_PLLCFGR_PLLP_3) /*!< Main PLL division factor for PLLP output by 9 */
  687. #define LL_RCC_PLLP_DIV_10 (RCC_PLLCFGR_PLLP_0|RCC_PLLCFGR_PLLP_3) /*!< Main PLL division factor for PLLP output by 10 */
  688. #define LL_RCC_PLLP_DIV_11 (RCC_PLLCFGR_PLLP_1|RCC_PLLCFGR_PLLP_3) /*!< Main PLL division factor for PLLP output by 11 */
  689. #define LL_RCC_PLLP_DIV_12 (RCC_PLLCFGR_PLLP_0|RCC_PLLCFGR_PLLP_1|RCC_PLLCFGR_PLLP_3) /*!< Main PLL division factor for PLLP output by 12 */
  690. #define LL_RCC_PLLP_DIV_13 (RCC_PLLCFGR_PLLP_2|RCC_PLLCFGR_PLLP_3) /*!< Main PLL division factor for PLLP output by 13 */
  691. #define LL_RCC_PLLP_DIV_14 (RCC_PLLCFGR_PLLP_0|RCC_PLLCFGR_PLLP_2|RCC_PLLCFGR_PLLP_3) /*!< Main PLL division factor for PLLP output by 14 */
  692. #define LL_RCC_PLLP_DIV_15 (RCC_PLLCFGR_PLLP_1|RCC_PLLCFGR_PLLP_2|RCC_PLLCFGR_PLLP_3) /*!< Main PLL division factor for PLLP output by 15 */
  693. #define LL_RCC_PLLP_DIV_16 (RCC_PLLCFGR_PLLP_0|RCC_PLLCFGR_PLLP_1|RCC_PLLCFGR_PLLP_2|RCC_PLLCFGR_PLLP_3)/*!< Main PLL division factor for PLLP output by 16 */
  694. #define LL_RCC_PLLP_DIV_17 (RCC_PLLCFGR_PLLP_4) /*!< Main PLL division factor for PLLP output by 17 */
  695. #define LL_RCC_PLLP_DIV_18 (RCC_PLLCFGR_PLLP_0|RCC_PLLCFGR_PLLP_4) /*!< Main PLL division factor for PLLP output by 18 */
  696. #define LL_RCC_PLLP_DIV_19 (RCC_PLLCFGR_PLLP_1|RCC_PLLCFGR_PLLP_4) /*!< Main PLL division factor for PLLP output by 19 */
  697. #define LL_RCC_PLLP_DIV_20 (RCC_PLLCFGR_PLLP_0|RCC_PLLCFGR_PLLP_1|RCC_PLLCFGR_PLLP_4) /*!< Main PLL division factor for PLLP output by 20 */
  698. #define LL_RCC_PLLP_DIV_21 (RCC_PLLCFGR_PLLP_2|RCC_PLLCFGR_PLLP_4) /*!< Main PLL division factor for PLLP output by 21 */
  699. #define LL_RCC_PLLP_DIV_22 (RCC_PLLCFGR_PLLP_0|RCC_PLLCFGR_PLLP_2|RCC_PLLCFGR_PLLP_4) /*!< Main PLL division factor for PLLP output by 22 */
  700. #define LL_RCC_PLLP_DIV_23 (RCC_PLLCFGR_PLLP_1|RCC_PLLCFGR_PLLP_2|RCC_PLLCFGR_PLLP_4) /*!< Main PLL division factor for PLLP output by 23 */
  701. #define LL_RCC_PLLP_DIV_24 (RCC_PLLCFGR_PLLP_0|RCC_PLLCFGR_PLLP_1|RCC_PLLCFGR_PLLP_2|RCC_PLLCFGR_PLLP_4)/*!< Main PLL division factor for PLLP output by 24 */
  702. #define LL_RCC_PLLP_DIV_25 (RCC_PLLCFGR_PLLP_3|RCC_PLLCFGR_PLLP_4) /*!< Main PLL division factor for PLLP output by 25 */
  703. #define LL_RCC_PLLP_DIV_26 (RCC_PLLCFGR_PLLP_0|RCC_PLLCFGR_PLLP_3|RCC_PLLCFGR_PLLP_4) /*!< Main PLL division factor for PLLP output by 26 */
  704. #define LL_RCC_PLLP_DIV_27 (RCC_PLLCFGR_PLLP_1|RCC_PLLCFGR_PLLP_3|RCC_PLLCFGR_PLLP_4) /*!< Main PLL division factor for PLLP output by 27*/
  705. #define LL_RCC_PLLP_DIV_28 (RCC_PLLCFGR_PLLP_0|RCC_PLLCFGR_PLLP_1|RCC_PLLCFGR_PLLP_3|RCC_PLLCFGR_PLLP_4)/*!< Main PLL division factor for PLLP output by 28 */
  706. #define LL_RCC_PLLP_DIV_29 (RCC_PLLCFGR_PLLP_2|RCC_PLLCFGR_PLLP_3|RCC_PLLCFGR_PLLP_4) /*!< Main PLL division factor for PLLP output by 29 */
  707. #define LL_RCC_PLLP_DIV_30 (RCC_PLLCFGR_PLLP_0|RCC_PLLCFGR_PLLP_2|RCC_PLLCFGR_PLLP_3|RCC_PLLCFGR_PLLP_4)/*!< Main PLL division factor for PLLP output by 30 */
  708. #define LL_RCC_PLLP_DIV_31 (RCC_PLLCFGR_PLLP_1|RCC_PLLCFGR_PLLP_2|RCC_PLLCFGR_PLLP_3|RCC_PLLCFGR_PLLP_4)/*!< Main PLL division factor for PLLP output by 31 */
  709. #define LL_RCC_PLLP_DIV_32 (RCC_PLLCFGR_PLLP_0|RCC_PLLCFGR_PLLP_1|RCC_PLLCFGR_PLLP_2|RCC_PLLCFGR_PLLP_3|RCC_PLLCFGR_PLLP_4)/*!< Main PLL division factor for PLLP output by 32 */
  710. /**
  711. * @}
  712. */
  713. #if defined(RCC_PLLQ_SUPPORT)
  714. /** @defgroup RCC_LL_EC_PLLQ_DIV PLL division factor (PLLQ)
  715. * @{
  716. */
  717. #define LL_RCC_PLLQ_DIV_2 (RCC_PLLCFGR_PLLQ_0) /*!< Main PLL division factor for PLLQ output by 2 */
  718. #define LL_RCC_PLLQ_DIV_3 (RCC_PLLCFGR_PLLQ_1) /*!< Main PLL division factor for PLLQ output by 3 */
  719. #define LL_RCC_PLLQ_DIV_4 (RCC_PLLCFGR_PLLQ_1|RCC_PLLCFGR_PLLQ_0) /*!< Main PLL division factor for PLLQ output by 4 */
  720. #define LL_RCC_PLLQ_DIV_5 (RCC_PLLCFGR_PLLQ_2) /*!< Main PLL division factor for PLLQ output by 5 */
  721. #define LL_RCC_PLLQ_DIV_6 (RCC_PLLCFGR_PLLQ_2|RCC_PLLCFGR_PLLQ_0) /*!< Main PLL division factor for PLLQ output by 6 */
  722. #define LL_RCC_PLLQ_DIV_7 (RCC_PLLCFGR_PLLQ_2|RCC_PLLCFGR_PLLQ_1) /*!< Main PLL division factor for PLLQ output by 7 */
  723. #define LL_RCC_PLLQ_DIV_8 (RCC_PLLCFGR_PLLQ) /*!< Main PLL division factor for PLLQ output by 8 */
  724. /**
  725. * @}
  726. */
  727. #endif /* RCC_PLLQ_SUPPORT */
  728. /**
  729. * @}
  730. */
  731. /* Exported macro ------------------------------------------------------------*/
  732. /** @defgroup RCC_LL_Exported_Macros RCC Exported Macros
  733. * @{
  734. */
  735. /** @defgroup RCC_LL_EM_WRITE_READ Common Write and read registers Macros
  736. * @{
  737. */
  738. /**
  739. * @brief Write a value in RCC register
  740. * @param __REG__ Register to be written
  741. * @param __VALUE__ Value to be written in the register
  742. * @retval None
  743. */
  744. #define LL_RCC_WriteReg(__REG__, __VALUE__) WRITE_REG((RCC->__REG__), (__VALUE__))
  745. /**
  746. * @brief Read a value in RCC register
  747. * @param __REG__ Register to be read
  748. * @retval Register value
  749. */
  750. #define LL_RCC_ReadReg(__REG__) READ_REG(RCC->__REG__)
  751. /**
  752. * @}
  753. */
  754. /** @defgroup RCC_LL_EM_CALC_FREQ Calculate frequencies
  755. * @{
  756. */
  757. /**
  758. * @brief Helper macro to calculate the PLLCLK frequency on system domain
  759. * @note ex: @ref __LL_RCC_CALC_PLLCLK_FREQ (HSE_VALUE,@ref LL_RCC_PLL_GetDivider (),
  760. * @ref LL_RCC_PLL_GetN (), @ref LL_RCC_PLL_GetR ());
  761. * @param __INPUTFREQ__ PLL Input frequency (based on HSE/HSI)
  762. * @param __PLLM__ This parameter can be one of the following values:
  763. * @arg @ref LL_RCC_PLLM_DIV_1
  764. * @arg @ref LL_RCC_PLLM_DIV_2
  765. * @arg @ref LL_RCC_PLLM_DIV_3
  766. * @arg @ref LL_RCC_PLLM_DIV_4
  767. * @arg @ref LL_RCC_PLLM_DIV_5
  768. * @arg @ref LL_RCC_PLLM_DIV_6
  769. * @arg @ref LL_RCC_PLLM_DIV_7
  770. * @arg @ref LL_RCC_PLLM_DIV_8
  771. * @param __PLLN__ Between Min_Data = 8 and Max_Data = 86
  772. * @param __PLLR__ This parameter can be one of the following values:
  773. * @arg @ref LL_RCC_PLLR_DIV_2
  774. * @arg @ref LL_RCC_PLLR_DIV_3
  775. * @arg @ref LL_RCC_PLLR_DIV_4
  776. * @arg @ref LL_RCC_PLLR_DIV_5
  777. * @arg @ref LL_RCC_PLLR_DIV_6
  778. * @arg @ref LL_RCC_PLLR_DIV_7
  779. * @arg @ref LL_RCC_PLLR_DIV_8
  780. * @retval PLL clock frequency (in Hz)
  781. */
  782. #define __LL_RCC_CALC_PLLCLK_FREQ(__INPUTFREQ__, __PLLM__, __PLLN__, __PLLR__) \
  783. ((__INPUTFREQ__) * (__PLLN__) / ((((__PLLM__)>> RCC_PLLCFGR_PLLM_Pos) + 1U)) / \
  784. (((__PLLR__) >> RCC_PLLCFGR_PLLR_Pos) + 1U))
  785. /**
  786. * @brief Helper macro to calculate the PLLPCLK frequency used on I2S domain
  787. * @note ex: @ref __LL_RCC_CALC_PLLCLK_I2S1_FREQ (HSE_VALUE,@ref LL_RCC_PLL_GetDivider (),
  788. * @ref LL_RCC_PLL_GetN (), @ref LL_RCC_PLL_GetP ());
  789. * @param __INPUTFREQ__ PLL Input frequency (based on HSE/HSI)
  790. * @param __PLLM__ This parameter can be one of the following values:
  791. * @arg @ref LL_RCC_PLLM_DIV_1
  792. * @arg @ref LL_RCC_PLLM_DIV_2
  793. * @arg @ref LL_RCC_PLLM_DIV_3
  794. * @arg @ref LL_RCC_PLLM_DIV_4
  795. * @arg @ref LL_RCC_PLLM_DIV_5
  796. * @arg @ref LL_RCC_PLLM_DIV_6
  797. * @arg @ref LL_RCC_PLLM_DIV_7
  798. * @arg @ref LL_RCC_PLLM_DIV_8
  799. * @param __PLLN__ Between Min_Data = 8 and Max_Data = 86
  800. * @param __PLLP__ This parameter can be one of the following values:
  801. * @arg @ref LL_RCC_PLLP_DIV_2
  802. * @arg @ref LL_RCC_PLLP_DIV_3
  803. * @arg @ref LL_RCC_PLLP_DIV_4
  804. * @arg @ref LL_RCC_PLLP_DIV_5
  805. * @arg @ref LL_RCC_PLLP_DIV_6
  806. * @arg @ref LL_RCC_PLLP_DIV_7
  807. * @arg @ref LL_RCC_PLLP_DIV_8
  808. * @arg @ref LL_RCC_PLLP_DIV_9
  809. * @arg @ref LL_RCC_PLLP_DIV_10
  810. * @arg @ref LL_RCC_PLLP_DIV_11
  811. * @arg @ref LL_RCC_PLLP_DIV_12
  812. * @arg @ref LL_RCC_PLLP_DIV_13
  813. * @arg @ref LL_RCC_PLLP_DIV_14
  814. * @arg @ref LL_RCC_PLLP_DIV_15
  815. * @arg @ref LL_RCC_PLLP_DIV_16
  816. * @arg @ref LL_RCC_PLLP_DIV_17
  817. * @arg @ref LL_RCC_PLLP_DIV_18
  818. * @arg @ref LL_RCC_PLLP_DIV_19
  819. * @arg @ref LL_RCC_PLLP_DIV_20
  820. * @arg @ref LL_RCC_PLLP_DIV_21
  821. * @arg @ref LL_RCC_PLLP_DIV_22
  822. * @arg @ref LL_RCC_PLLP_DIV_23
  823. * @arg @ref LL_RCC_PLLP_DIV_24
  824. * @arg @ref LL_RCC_PLLP_DIV_25
  825. * @arg @ref LL_RCC_PLLP_DIV_26
  826. * @arg @ref LL_RCC_PLLP_DIV_27
  827. * @arg @ref LL_RCC_PLLP_DIV_28
  828. * @arg @ref LL_RCC_PLLP_DIV_29
  829. * @arg @ref LL_RCC_PLLP_DIV_30
  830. * @arg @ref LL_RCC_PLLP_DIV_31
  831. * @arg @ref LL_RCC_PLLP_DIV_32
  832. * @retval PLL clock frequency (in Hz)
  833. */
  834. #define __LL_RCC_CALC_PLLCLK_I2S1_FREQ(__INPUTFREQ__, __PLLM__, __PLLN__, __PLLP__) \
  835. ((__INPUTFREQ__) * (__PLLN__) / ((((__PLLM__)>> RCC_PLLCFGR_PLLM_Pos) + 1U)) / \
  836. (((__PLLP__) >> RCC_PLLCFGR_PLLP_Pos) + 1U))
  837. #if defined(RCC_CCIPR2_I2S2SEL)
  838. /**
  839. * @brief Helper macro to calculate the PLLPCLK frequency used on I2S2 domain
  840. * @note ex: @ref __LL_RCC_CALC_PLLCLK_I2S2_FREQ (HSE_VALUE,@ref LL_RCC_PLL_GetDivider (),
  841. * @ref LL_RCC_PLL_GetN (), @ref LL_RCC_PLL_GetP ());
  842. * @param __INPUTFREQ__ PLL Input frequency (based on HSE/HSI)
  843. * @param __PLLM__ This parameter can be one of the following values:
  844. * @arg @ref LL_RCC_PLLM_DIV_1
  845. * @arg @ref LL_RCC_PLLM_DIV_2
  846. * @arg @ref LL_RCC_PLLM_DIV_3
  847. * @arg @ref LL_RCC_PLLM_DIV_4
  848. * @arg @ref LL_RCC_PLLM_DIV_5
  849. * @arg @ref LL_RCC_PLLM_DIV_6
  850. * @arg @ref LL_RCC_PLLM_DIV_7
  851. * @arg @ref LL_RCC_PLLM_DIV_8
  852. * @param __PLLN__ Between Min_Data = 8 and Max_Data = 86
  853. * @param __PLLP__ This parameter can be one of the following values:
  854. * @arg @ref LL_RCC_PLLP_DIV_2
  855. * @arg @ref LL_RCC_PLLP_DIV_3
  856. * @arg @ref LL_RCC_PLLP_DIV_4
  857. * @arg @ref LL_RCC_PLLP_DIV_5
  858. * @arg @ref LL_RCC_PLLP_DIV_6
  859. * @arg @ref LL_RCC_PLLP_DIV_7
  860. * @arg @ref LL_RCC_PLLP_DIV_8
  861. * @arg @ref LL_RCC_PLLP_DIV_9
  862. * @arg @ref LL_RCC_PLLP_DIV_10
  863. * @arg @ref LL_RCC_PLLP_DIV_11
  864. * @arg @ref LL_RCC_PLLP_DIV_12
  865. * @arg @ref LL_RCC_PLLP_DIV_13
  866. * @arg @ref LL_RCC_PLLP_DIV_14
  867. * @arg @ref LL_RCC_PLLP_DIV_15
  868. * @arg @ref LL_RCC_PLLP_DIV_16
  869. * @arg @ref LL_RCC_PLLP_DIV_17
  870. * @arg @ref LL_RCC_PLLP_DIV_18
  871. * @arg @ref LL_RCC_PLLP_DIV_19
  872. * @arg @ref LL_RCC_PLLP_DIV_20
  873. * @arg @ref LL_RCC_PLLP_DIV_21
  874. * @arg @ref LL_RCC_PLLP_DIV_22
  875. * @arg @ref LL_RCC_PLLP_DIV_23
  876. * @arg @ref LL_RCC_PLLP_DIV_24
  877. * @arg @ref LL_RCC_PLLP_DIV_25
  878. * @arg @ref LL_RCC_PLLP_DIV_26
  879. * @arg @ref LL_RCC_PLLP_DIV_27
  880. * @arg @ref LL_RCC_PLLP_DIV_28
  881. * @arg @ref LL_RCC_PLLP_DIV_29
  882. * @arg @ref LL_RCC_PLLP_DIV_30
  883. * @arg @ref LL_RCC_PLLP_DIV_31
  884. * @arg @ref LL_RCC_PLLP_DIV_32
  885. * @retval PLL clock frequency (in Hz)
  886. */
  887. #define __LL_RCC_CALC_PLLCLK_I2S2_FREQ(__INPUTFREQ__, __PLLM__, __PLLN__, __PLLP__) \
  888. ((__INPUTFREQ__) * (__PLLN__) / ((((__PLLM__)>> RCC_PLLCFGR_PLLM_Pos) + 1U)) / \
  889. (((__PLLP__) >> RCC_PLLCFGR_PLLP_Pos) + 1U))
  890. #endif /* RCC_CCIPR2_I2S2SEL */
  891. /**
  892. * @brief Helper macro to calculate the PLLPCLK frequency used on ADC domain
  893. * @note ex: @ref __LL_RCC_CALC_PLLCLK_ADC_FREQ (HSE_VALUE,@ref LL_RCC_PLL_GetDivider (),
  894. * @ref LL_RCC_PLL_GetN (), @ref LL_RCC_PLL_GetP ());
  895. * @param __INPUTFREQ__ PLL Input frequency (based on HSE/HSI)
  896. * @param __PLLM__ This parameter can be one of the following values:
  897. * @arg @ref LL_RCC_PLLM_DIV_1
  898. * @arg @ref LL_RCC_PLLM_DIV_2
  899. * @arg @ref LL_RCC_PLLM_DIV_3
  900. * @arg @ref LL_RCC_PLLM_DIV_4
  901. * @arg @ref LL_RCC_PLLM_DIV_5
  902. * @arg @ref LL_RCC_PLLM_DIV_6
  903. * @arg @ref LL_RCC_PLLM_DIV_7
  904. * @arg @ref LL_RCC_PLLM_DIV_8
  905. * @param __PLLN__ Between Min_Data = 8 and Max_Data = 86
  906. * @param __PLLP__ This parameter can be one of the following values:
  907. * @arg @ref LL_RCC_PLLP_DIV_2
  908. * @arg @ref LL_RCC_PLLP_DIV_3
  909. * @arg @ref LL_RCC_PLLP_DIV_4
  910. * @arg @ref LL_RCC_PLLP_DIV_5
  911. * @arg @ref LL_RCC_PLLP_DIV_6
  912. * @arg @ref LL_RCC_PLLP_DIV_7
  913. * @arg @ref LL_RCC_PLLP_DIV_8
  914. * @arg @ref LL_RCC_PLLP_DIV_9
  915. * @arg @ref LL_RCC_PLLP_DIV_10
  916. * @arg @ref LL_RCC_PLLP_DIV_11
  917. * @arg @ref LL_RCC_PLLP_DIV_12
  918. * @arg @ref LL_RCC_PLLP_DIV_13
  919. * @arg @ref LL_RCC_PLLP_DIV_14
  920. * @arg @ref LL_RCC_PLLP_DIV_15
  921. * @arg @ref LL_RCC_PLLP_DIV_16
  922. * @arg @ref LL_RCC_PLLP_DIV_17
  923. * @arg @ref LL_RCC_PLLP_DIV_18
  924. * @arg @ref LL_RCC_PLLP_DIV_19
  925. * @arg @ref LL_RCC_PLLP_DIV_20
  926. * @arg @ref LL_RCC_PLLP_DIV_21
  927. * @arg @ref LL_RCC_PLLP_DIV_22
  928. * @arg @ref LL_RCC_PLLP_DIV_23
  929. * @arg @ref LL_RCC_PLLP_DIV_24
  930. * @arg @ref LL_RCC_PLLP_DIV_25
  931. * @arg @ref LL_RCC_PLLP_DIV_26
  932. * @arg @ref LL_RCC_PLLP_DIV_27
  933. * @arg @ref LL_RCC_PLLP_DIV_28
  934. * @arg @ref LL_RCC_PLLP_DIV_29
  935. * @arg @ref LL_RCC_PLLP_DIV_30
  936. * @arg @ref LL_RCC_PLLP_DIV_31
  937. * @arg @ref LL_RCC_PLLP_DIV_32
  938. * @retval PLL clock frequency (in Hz)
  939. */
  940. #define __LL_RCC_CALC_PLLCLK_ADC_FREQ(__INPUTFREQ__, __PLLM__, __PLLN__, __PLLP__) \
  941. ((__INPUTFREQ__) * (__PLLN__) / ((((__PLLM__)>> RCC_PLLCFGR_PLLM_Pos) + 1U)) / \
  942. (((__PLLP__) >> RCC_PLLCFGR_PLLP_Pos) + 1U))
  943. #if defined(RNG)
  944. /**
  945. * @brief Helper macro to calculate the PLLQCLK frequency used on RNG domain
  946. * @note ex: @ref __LL_RCC_CALC_PLLCLK_RNG_FREQ (HSE_VALUE,@ref LL_RCC_PLL_GetDivider (),
  947. * @ref LL_RCC_PLL_GetN (), @ref LL_RCC_PLL_GetQ ());
  948. * @param __INPUTFREQ__ PLL Input frequency (based on HSE/HSI)
  949. * @param __PLLM__ This parameter can be one of the following values:
  950. * @arg @ref LL_RCC_PLLM_DIV_1
  951. * @arg @ref LL_RCC_PLLM_DIV_2
  952. * @arg @ref LL_RCC_PLLM_DIV_3
  953. * @arg @ref LL_RCC_PLLM_DIV_4
  954. * @arg @ref LL_RCC_PLLM_DIV_5
  955. * @arg @ref LL_RCC_PLLM_DIV_6
  956. * @arg @ref LL_RCC_PLLM_DIV_7
  957. * @arg @ref LL_RCC_PLLM_DIV_8
  958. * @param __PLLN__ Between Min_Data = 8 and Max_Data = 86
  959. * @param __PLLQ__ This parameter can be one of the following values:
  960. * @arg @ref LL_RCC_PLLQ_DIV_2
  961. * @arg @ref LL_RCC_PLLQ_DIV_3
  962. * @arg @ref LL_RCC_PLLQ_DIV_4
  963. * @arg @ref LL_RCC_PLLQ_DIV_5
  964. * @arg @ref LL_RCC_PLLQ_DIV_6
  965. * @arg @ref LL_RCC_PLLQ_DIV_7
  966. * @arg @ref LL_RCC_PLLQ_DIV_8
  967. * @retval PLL clock frequency (in Hz)
  968. */
  969. #define __LL_RCC_CALC_PLLCLK_RNG_FREQ(__INPUTFREQ__, __PLLM__, __PLLN__, __PLLQ__) \
  970. ((__INPUTFREQ__) * (__PLLN__) / ((((__PLLM__)>> RCC_PLLCFGR_PLLM_Pos) + 1U)) / \
  971. (((__PLLQ__) >> RCC_PLLCFGR_PLLQ_Pos) + 1U))
  972. #endif /* RNG */
  973. #if defined(RCC_PLLQ_SUPPORT)
  974. /**
  975. * @brief Helper macro to calculate the PLLQCLK frequency used on TIM1 domain
  976. * @note ex: @ref __LL_RCC_CALC_PLLCLK_TIM1_FREQ (HSE_VALUE,@ref LL_RCC_PLL_GetDivider (),
  977. * @ref LL_RCC_PLL_GetN (), @ref LL_RCC_PLL_GetQ ());
  978. * @param __INPUTFREQ__ PLL Input frequency (based on HSE/HSI)
  979. * @param __PLLM__ This parameter can be one of the following values:
  980. * @arg @ref LL_RCC_PLLM_DIV_1
  981. * @arg @ref LL_RCC_PLLM_DIV_2
  982. * @arg @ref LL_RCC_PLLM_DIV_3
  983. * @arg @ref LL_RCC_PLLM_DIV_4
  984. * @arg @ref LL_RCC_PLLM_DIV_5
  985. * @arg @ref LL_RCC_PLLM_DIV_6
  986. * @arg @ref LL_RCC_PLLM_DIV_7
  987. * @arg @ref LL_RCC_PLLM_DIV_8
  988. * @param __PLLN__ Between Min_Data = 8 and Max_Data = 86
  989. * @param __PLLQ__ This parameter can be one of the following values:
  990. * @arg @ref LL_RCC_PLLQ_DIV_2
  991. * @arg @ref LL_RCC_PLLQ_DIV_3
  992. * @arg @ref LL_RCC_PLLQ_DIV_4
  993. * @arg @ref LL_RCC_PLLQ_DIV_5
  994. * @arg @ref LL_RCC_PLLQ_DIV_6
  995. * @arg @ref LL_RCC_PLLQ_DIV_7
  996. * @arg @ref LL_RCC_PLLQ_DIV_8
  997. * @retval PLL clock frequency (in Hz)
  998. */
  999. #define __LL_RCC_CALC_PLLCLK_TIM1_FREQ(__INPUTFREQ__, __PLLM__, __PLLN__, __PLLQ__) \
  1000. ((__INPUTFREQ__) * (__PLLN__) / ((((__PLLM__)>> RCC_PLLCFGR_PLLM_Pos) + 1U)) / \
  1001. (((__PLLQ__) >> RCC_PLLCFGR_PLLQ_Pos) + 1U))
  1002. #if defined(TIM15)
  1003. /**
  1004. * @brief Helper macro to calculate the PLLQCLK frequency used on TIM15 domain
  1005. * @note ex: @ref __LL_RCC_CALC_PLLCLK_TIM15_FREQ (HSE_VALUE,@ref LL_RCC_PLL_GetDivider (),
  1006. * @ref LL_RCC_PLL_GetN (), @ref LL_RCC_PLL_GetQ ());
  1007. * @param __INPUTFREQ__ PLL Input frequency (based on HSE/HSI)
  1008. * @param __PLLM__ This parameter can be one of the following values:
  1009. * @arg @ref LL_RCC_PLLM_DIV_1
  1010. * @arg @ref LL_RCC_PLLM_DIV_2
  1011. * @arg @ref LL_RCC_PLLM_DIV_3
  1012. * @arg @ref LL_RCC_PLLM_DIV_4
  1013. * @arg @ref LL_RCC_PLLM_DIV_5
  1014. * @arg @ref LL_RCC_PLLM_DIV_6
  1015. * @arg @ref LL_RCC_PLLM_DIV_7
  1016. * @arg @ref LL_RCC_PLLM_DIV_8
  1017. * @param __PLLN__ Between Min_Data = 8 and Max_Data = 86
  1018. * @param __PLLQ__ This parameter can be one of the following values:
  1019. * @arg @ref LL_RCC_PLLQ_DIV_2
  1020. * @arg @ref LL_RCC_PLLQ_DIV_3
  1021. * @arg @ref LL_RCC_PLLQ_DIV_4
  1022. * @arg @ref LL_RCC_PLLQ_DIV_5
  1023. * @arg @ref LL_RCC_PLLQ_DIV_6
  1024. * @arg @ref LL_RCC_PLLQ_DIV_7
  1025. * @arg @ref LL_RCC_PLLQ_DIV_8
  1026. * @retval PLL clock frequency (in Hz)
  1027. */
  1028. #define __LL_RCC_CALC_PLLCLK_TIM15_FREQ(__INPUTFREQ__, __PLLM__, __PLLN__, __PLLQ__) \
  1029. ((__INPUTFREQ__) * (__PLLN__) / ((((__PLLM__)>> RCC_PLLCFGR_PLLM_Pos) + 1U)) / \
  1030. (((__PLLQ__) >> RCC_PLLCFGR_PLLQ_Pos) + 1U))
  1031. #endif /* TIM15 */
  1032. #endif /* RCC_PLLQ_SUPPORT */
  1033. #if defined(FDCAN1) || defined(FDCAN2)
  1034. /**
  1035. * @brief Helper macro to calculate the PLLQCLK frequency used on FDCAN domain
  1036. * @note ex: @ref __LL_RCC_CALC_PLLCLK_FDCAN_FREQ (HSE_VALUE,@ref LL_RCC_PLL_GetDivider (),
  1037. * @ref LL_RCC_PLL_GetN (), @ref LL_RCC_PLL_GetQ ());
  1038. * @param __INPUTFREQ__ PLL Input frequency (based on HSE/HSI)
  1039. * @param __PLLM__ This parameter can be one of the following values:
  1040. * @arg @ref LL_RCC_PLLM_DIV_1
  1041. * @arg @ref LL_RCC_PLLM_DIV_2
  1042. * @arg @ref LL_RCC_PLLM_DIV_3
  1043. * @arg @ref LL_RCC_PLLM_DIV_4
  1044. * @arg @ref LL_RCC_PLLM_DIV_5
  1045. * @arg @ref LL_RCC_PLLM_DIV_6
  1046. * @arg @ref LL_RCC_PLLM_DIV_7
  1047. * @arg @ref LL_RCC_PLLM_DIV_8
  1048. * @param __PLLN__ Between Min_Data = 8 and Max_Data = 86
  1049. * @param __PLLQ__ This parameter can be one of the following values:
  1050. * @arg @ref LL_RCC_PLLQ_DIV_2
  1051. * @arg @ref LL_RCC_PLLQ_DIV_3
  1052. * @arg @ref LL_RCC_PLLQ_DIV_4
  1053. * @arg @ref LL_RCC_PLLQ_DIV_5
  1054. * @arg @ref LL_RCC_PLLQ_DIV_6
  1055. * @arg @ref LL_RCC_PLLQ_DIV_7
  1056. * @arg @ref LL_RCC_PLLQ_DIV_8
  1057. * @retval PLL clock frequency (in Hz)
  1058. */
  1059. #define __LL_RCC_CALC_PLLCLK_FDCAN_FREQ(__INPUTFREQ__, __PLLM__, __PLLN__, __PLLQ__) \
  1060. ((__INPUTFREQ__) * (__PLLN__) / ((((__PLLM__)>> RCC_PLLCFGR_PLLM_Pos) + 1U)) / \
  1061. (((__PLLQ__) >> RCC_PLLCFGR_PLLQ_Pos) + 1U))
  1062. #endif /* FDCAN1 || FDCAN2 */
  1063. #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
  1064. /**
  1065. * @brief Helper macro to calculate the PLLQCLK frequency used on USB domain
  1066. * @note ex: @ref __LL_RCC_CALC_PLLCLK_USB_FREQ (HSE_VALUE,@ref LL_RCC_PLL_GetDivider (),
  1067. * @ref LL_RCC_PLL_GetN (), @ref LL_RCC_PLL_GetQ ());
  1068. * @param __INPUTFREQ__ PLL Input frequency (based on HSE/HSI)
  1069. * @param __PLLM__ This parameter can be one of the following values:
  1070. * @arg @ref LL_RCC_PLLM_DIV_1
  1071. * @arg @ref LL_RCC_PLLM_DIV_2
  1072. * @arg @ref LL_RCC_PLLM_DIV_3
  1073. * @arg @ref LL_RCC_PLLM_DIV_4
  1074. * @arg @ref LL_RCC_PLLM_DIV_5
  1075. * @arg @ref LL_RCC_PLLM_DIV_6
  1076. * @arg @ref LL_RCC_PLLM_DIV_7
  1077. * @arg @ref LL_RCC_PLLM_DIV_8
  1078. * @param __PLLN__ Between Min_Data = 8 and Max_Data = 86
  1079. * @param __PLLQ__ This parameter can be one of the following values:
  1080. * @arg @ref LL_RCC_PLLQ_DIV_2
  1081. * @arg @ref LL_RCC_PLLQ_DIV_3
  1082. * @arg @ref LL_RCC_PLLQ_DIV_4
  1083. * @arg @ref LL_RCC_PLLQ_DIV_5
  1084. * @arg @ref LL_RCC_PLLQ_DIV_6
  1085. * @arg @ref LL_RCC_PLLQ_DIV_7
  1086. * @arg @ref LL_RCC_PLLQ_DIV_8
  1087. * @retval PLL clock frequency (in Hz)
  1088. */
  1089. #define __LL_RCC_CALC_PLLCLK_USB_FREQ(__INPUTFREQ__, __PLLM__, __PLLN__, __PLLQ__) \
  1090. ((__INPUTFREQ__) * (__PLLN__) / ((((__PLLM__)>> RCC_PLLCFGR_PLLM_Pos) + 1U)) / \
  1091. (((__PLLQ__) >> RCC_PLLCFGR_PLLQ_Pos) + 1U))
  1092. #endif /* STM32G0C1xx || STM32G0B1xx || STM32G0B0xx */
  1093. /**
  1094. * @brief Helper macro to calculate the HCLK frequency
  1095. * @param __SYSCLKFREQ__ SYSCLK frequency (based on HSE/HSI/PLLCLK)
  1096. * @param __AHBPRESCALER__ This parameter can be one of the following values:
  1097. * @arg @ref LL_RCC_SYSCLK_DIV_1
  1098. * @arg @ref LL_RCC_SYSCLK_DIV_2
  1099. * @arg @ref LL_RCC_SYSCLK_DIV_4
  1100. * @arg @ref LL_RCC_SYSCLK_DIV_8
  1101. * @arg @ref LL_RCC_SYSCLK_DIV_16
  1102. * @arg @ref LL_RCC_SYSCLK_DIV_64
  1103. * @arg @ref LL_RCC_SYSCLK_DIV_128
  1104. * @arg @ref LL_RCC_SYSCLK_DIV_256
  1105. * @arg @ref LL_RCC_SYSCLK_DIV_512
  1106. * @retval HCLK clock frequency (in Hz)
  1107. */
  1108. #define __LL_RCC_CALC_HCLK_FREQ(__SYSCLKFREQ__,__AHBPRESCALER__) \
  1109. ((__SYSCLKFREQ__) >> (AHBPrescTable[((__AHBPRESCALER__) & RCC_CFGR_HPRE) >> RCC_CFGR_HPRE_Pos] & 0x1FU))
  1110. /**
  1111. * @brief Helper macro to calculate the PCLK1 frequency (ABP1)
  1112. * @param __HCLKFREQ__ HCLK frequency
  1113. * @param __APB1PRESCALER__ This parameter can be one of the following values:
  1114. * @arg @ref LL_RCC_APB1_DIV_1
  1115. * @arg @ref LL_RCC_APB1_DIV_2
  1116. * @arg @ref LL_RCC_APB1_DIV_4
  1117. * @arg @ref LL_RCC_APB1_DIV_8
  1118. * @arg @ref LL_RCC_APB1_DIV_16
  1119. * @retval PCLK1 clock frequency (in Hz)
  1120. */
  1121. #define __LL_RCC_CALC_PCLK1_FREQ(__HCLKFREQ__, __APB1PRESCALER__) \
  1122. ((__HCLKFREQ__) >> (APBPrescTable[(__APB1PRESCALER__) >> RCC_CFGR_PPRE_Pos] & 0x1FU))
  1123. /**
  1124. * @brief Helper macro to calculate the HSISYS frequency
  1125. * @param __HSIDIV__ This parameter can be one of the following values:
  1126. * @arg @ref LL_RCC_HSI_DIV_1
  1127. * @arg @ref LL_RCC_HSI_DIV_2
  1128. * @arg @ref LL_RCC_HSI_DIV_4
  1129. * @arg @ref LL_RCC_HSI_DIV_8
  1130. * @arg @ref LL_RCC_HSI_DIV_16
  1131. * @arg @ref LL_RCC_HSI_DIV_32
  1132. * @arg @ref LL_RCC_HSI_DIV_64
  1133. * @arg @ref LL_RCC_HSI_DIV_128
  1134. * @retval HSISYS clock frequency (in Hz)
  1135. */
  1136. #define __LL_RCC_CALC_HSI_FREQ(__HSIDIV__) (HSI_VALUE / (1U << ((__HSIDIV__)>> RCC_CR_HSIDIV_Pos)))
  1137. /**
  1138. * @}
  1139. */
  1140. /**
  1141. * @}
  1142. */
  1143. /* Exported functions --------------------------------------------------------*/
  1144. /** @defgroup RCC_LL_Exported_Functions RCC Exported Functions
  1145. * @{
  1146. */
  1147. /** @defgroup RCC_LL_EF_HSE HSE
  1148. * @{
  1149. */
  1150. /**
  1151. * @brief Enable the Clock Security System.
  1152. * @rmtoll CR CSSON LL_RCC_HSE_EnableCSS
  1153. * @retval None
  1154. */
  1155. __STATIC_INLINE void LL_RCC_HSE_EnableCSS(void)
  1156. {
  1157. SET_BIT(RCC->CR, RCC_CR_CSSON);
  1158. }
  1159. /**
  1160. * @brief Enable HSE external oscillator (HSE Bypass)
  1161. * @rmtoll CR HSEBYP LL_RCC_HSE_EnableBypass
  1162. * @retval None
  1163. */
  1164. __STATIC_INLINE void LL_RCC_HSE_EnableBypass(void)
  1165. {
  1166. SET_BIT(RCC->CR, RCC_CR_HSEBYP);
  1167. }
  1168. /**
  1169. * @brief Disable HSE external oscillator (HSE Bypass)
  1170. * @rmtoll CR HSEBYP LL_RCC_HSE_DisableBypass
  1171. * @retval None
  1172. */
  1173. __STATIC_INLINE void LL_RCC_HSE_DisableBypass(void)
  1174. {
  1175. CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP);
  1176. }
  1177. /**
  1178. * @brief Enable HSE crystal oscillator (HSE ON)
  1179. * @rmtoll CR HSEON LL_RCC_HSE_Enable
  1180. * @retval None
  1181. */
  1182. __STATIC_INLINE void LL_RCC_HSE_Enable(void)
  1183. {
  1184. SET_BIT(RCC->CR, RCC_CR_HSEON);
  1185. }
  1186. /**
  1187. * @brief Disable HSE crystal oscillator (HSE ON)
  1188. * @rmtoll CR HSEON LL_RCC_HSE_Disable
  1189. * @retval None
  1190. */
  1191. __STATIC_INLINE void LL_RCC_HSE_Disable(void)
  1192. {
  1193. CLEAR_BIT(RCC->CR, RCC_CR_HSEON);
  1194. }
  1195. /**
  1196. * @brief Check if HSE oscillator Ready
  1197. * @rmtoll CR HSERDY LL_RCC_HSE_IsReady
  1198. * @retval State of bit (1 or 0).
  1199. */
  1200. __STATIC_INLINE uint32_t LL_RCC_HSE_IsReady(void)
  1201. {
  1202. return ((READ_BIT(RCC->CR, RCC_CR_HSERDY) == (RCC_CR_HSERDY)) ? 1UL : 0UL);
  1203. }
  1204. /**
  1205. * @}
  1206. */
  1207. /** @defgroup RCC_LL_EF_HSI HSI
  1208. * @{
  1209. */
  1210. /**
  1211. * @brief Enable HSI even in stop mode
  1212. * @note HSI oscillator is forced ON even in Stop mode
  1213. * @rmtoll CR HSIKERON LL_RCC_HSI_EnableInStopMode
  1214. * @retval None
  1215. */
  1216. __STATIC_INLINE void LL_RCC_HSI_EnableInStopMode(void)
  1217. {
  1218. SET_BIT(RCC->CR, RCC_CR_HSIKERON);
  1219. }
  1220. /**
  1221. * @brief Disable HSI in stop mode
  1222. * @rmtoll CR HSIKERON LL_RCC_HSI_DisableInStopMode
  1223. * @retval None
  1224. */
  1225. __STATIC_INLINE void LL_RCC_HSI_DisableInStopMode(void)
  1226. {
  1227. CLEAR_BIT(RCC->CR, RCC_CR_HSIKERON);
  1228. }
  1229. /**
  1230. * @brief Check if HSI in stop mode is enabled
  1231. * @rmtoll CR HSIKERON LL_RCC_HSI_IsEnabledInStopMode
  1232. * @retval State of bit (1 or 0).
  1233. */
  1234. __STATIC_INLINE uint32_t LL_RCC_HSI_IsEnabledInStopMode(void)
  1235. {
  1236. return ((READ_BIT(RCC->CR, RCC_CR_HSIKERON) == (RCC_CR_HSIKERON)) ? 1UL : 0UL);
  1237. }
  1238. /**
  1239. * @brief Enable HSI oscillator
  1240. * @rmtoll CR HSION LL_RCC_HSI_Enable
  1241. * @retval None
  1242. */
  1243. __STATIC_INLINE void LL_RCC_HSI_Enable(void)
  1244. {
  1245. SET_BIT(RCC->CR, RCC_CR_HSION);
  1246. }
  1247. /**
  1248. * @brief Disable HSI oscillator
  1249. * @rmtoll CR HSION LL_RCC_HSI_Disable
  1250. * @retval None
  1251. */
  1252. __STATIC_INLINE void LL_RCC_HSI_Disable(void)
  1253. {
  1254. CLEAR_BIT(RCC->CR, RCC_CR_HSION);
  1255. }
  1256. /**
  1257. * @brief Check if HSI clock is ready
  1258. * @rmtoll CR HSIRDY LL_RCC_HSI_IsReady
  1259. * @retval State of bit (1 or 0).
  1260. */
  1261. __STATIC_INLINE uint32_t LL_RCC_HSI_IsReady(void)
  1262. {
  1263. return ((READ_BIT(RCC->CR, RCC_CR_HSIRDY) == (RCC_CR_HSIRDY)) ? 1UL : 0UL);
  1264. }
  1265. /**
  1266. * @brief Get HSI Calibration value
  1267. * @note When HSITRIM is written, HSICAL is updated with the sum of
  1268. * HSITRIM and the factory trim value
  1269. * @rmtoll ICSCR HSICAL LL_RCC_HSI_GetCalibration
  1270. * @retval Between Min_Data = 0x00 and Max_Data = 0xFF
  1271. */
  1272. __STATIC_INLINE uint32_t LL_RCC_HSI_GetCalibration(void)
  1273. {
  1274. return (uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_HSICAL) >> RCC_ICSCR_HSICAL_Pos);
  1275. }
  1276. /**
  1277. * @brief Set HSI Calibration trimming
  1278. * @note user-programmable trimming value that is added to the HSICAL
  1279. * @note Default value is 64, which, when added to the HSICAL value,
  1280. * should trim the HSI to 16 MHz +/- 1 %
  1281. * @rmtoll ICSCR HSITRIM LL_RCC_HSI_SetCalibTrimming
  1282. * @param Value Between Min_Data = 0 and Max_Data = 127
  1283. * @retval None
  1284. */
  1285. __STATIC_INLINE void LL_RCC_HSI_SetCalibTrimming(uint32_t Value)
  1286. {
  1287. MODIFY_REG(RCC->ICSCR, RCC_ICSCR_HSITRIM, Value << RCC_ICSCR_HSITRIM_Pos);
  1288. }
  1289. /**
  1290. * @brief Get HSI Calibration trimming
  1291. * @rmtoll ICSCR HSITRIM LL_RCC_HSI_GetCalibTrimming
  1292. * @retval Between Min_Data = 0 and Max_Data = 127
  1293. */
  1294. __STATIC_INLINE uint32_t LL_RCC_HSI_GetCalibTrimming(void)
  1295. {
  1296. return (uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_HSITRIM) >> RCC_ICSCR_HSITRIM_Pos);
  1297. }
  1298. /**
  1299. * @}
  1300. */
  1301. #if defined(RCC_HSI48_SUPPORT)
  1302. /** @defgroup RCC_LL_EF_HSI48 HSI48
  1303. * @{
  1304. */
  1305. /**
  1306. * @brief Enable HSI48
  1307. * @rmtoll CR HSI48ON LL_RCC_HSI48_Enable
  1308. * @retval None
  1309. */
  1310. __STATIC_INLINE void LL_RCC_HSI48_Enable(void)
  1311. {
  1312. SET_BIT(RCC->CR, RCC_CR_HSI48ON);
  1313. }
  1314. /**
  1315. * @brief Disable HSI48
  1316. * @rmtoll CR HSI48ON LL_RCC_HSI48_Disable
  1317. * @retval None
  1318. */
  1319. __STATIC_INLINE void LL_RCC_HSI48_Disable(void)
  1320. {
  1321. CLEAR_BIT(RCC->CR, RCC_CR_HSI48ON);
  1322. }
  1323. /**
  1324. * @brief Check if HSI48 oscillator Ready
  1325. * @rmtoll CR HSI48RDY LL_RCC_HSI48_IsReady
  1326. * @retval State of bit (1 or 0).
  1327. */
  1328. __STATIC_INLINE uint32_t LL_RCC_HSI48_IsReady(void)
  1329. {
  1330. return ((READ_BIT(RCC->CR, RCC_CR_HSI48RDY) == RCC_CR_HSI48RDY) ? 1UL : 0UL);
  1331. }
  1332. /**
  1333. * @brief Get HSI48 Calibration value
  1334. * @rmtoll CRRCR HSI48CAL LL_RCC_HSI48_GetCalibration
  1335. * @retval Between Min_Data = 0x00 and Max_Data = 0x1FF
  1336. */
  1337. __STATIC_INLINE uint32_t LL_RCC_HSI48_GetCalibration(void)
  1338. {
  1339. return (uint32_t)(READ_BIT(RCC->CRRCR, RCC_CRRCR_HSI48CAL) >> RCC_CRRCR_HSI48CAL_Pos);
  1340. }
  1341. /**
  1342. * @}
  1343. */
  1344. #endif /* RCC_HSI48_SUPPORT */
  1345. /** @defgroup RCC_LL_EF_LSE LSE
  1346. * @{
  1347. */
  1348. /**
  1349. * @brief Enable Low Speed External (LSE) crystal.
  1350. * @rmtoll BDCR LSEON LL_RCC_LSE_Enable
  1351. * @retval None
  1352. */
  1353. __STATIC_INLINE void LL_RCC_LSE_Enable(void)
  1354. {
  1355. SET_BIT(RCC->BDCR, RCC_BDCR_LSEON);
  1356. }
  1357. /**
  1358. * @brief Disable Low Speed External (LSE) crystal.
  1359. * @rmtoll BDCR LSEON LL_RCC_LSE_Disable
  1360. * @retval None
  1361. */
  1362. __STATIC_INLINE void LL_RCC_LSE_Disable(void)
  1363. {
  1364. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON);
  1365. }
  1366. /**
  1367. * @brief Enable external clock source (LSE bypass).
  1368. * @rmtoll BDCR LSEBYP LL_RCC_LSE_EnableBypass
  1369. * @retval None
  1370. */
  1371. __STATIC_INLINE void LL_RCC_LSE_EnableBypass(void)
  1372. {
  1373. SET_BIT(RCC->BDCR, RCC_BDCR_LSEBYP);
  1374. }
  1375. /**
  1376. * @brief Disable external clock source (LSE bypass).
  1377. * @rmtoll BDCR LSEBYP LL_RCC_LSE_DisableBypass
  1378. * @retval None
  1379. */
  1380. __STATIC_INLINE void LL_RCC_LSE_DisableBypass(void)
  1381. {
  1382. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP);
  1383. }
  1384. /**
  1385. * @brief Set LSE oscillator drive capability
  1386. * @note The oscillator is in Xtal mode when it is not in bypass mode.
  1387. * @rmtoll BDCR LSEDRV LL_RCC_LSE_SetDriveCapability
  1388. * @param LSEDrive This parameter can be one of the following values:
  1389. * @arg @ref LL_RCC_LSEDRIVE_LOW
  1390. * @arg @ref LL_RCC_LSEDRIVE_MEDIUMLOW
  1391. * @arg @ref LL_RCC_LSEDRIVE_MEDIUMHIGH
  1392. * @arg @ref LL_RCC_LSEDRIVE_HIGH
  1393. * @retval None
  1394. */
  1395. __STATIC_INLINE void LL_RCC_LSE_SetDriveCapability(uint32_t LSEDrive)
  1396. {
  1397. MODIFY_REG(RCC->BDCR, RCC_BDCR_LSEDRV, LSEDrive);
  1398. }
  1399. /**
  1400. * @brief Get LSE oscillator drive capability
  1401. * @rmtoll BDCR LSEDRV LL_RCC_LSE_GetDriveCapability
  1402. * @retval Returned value can be one of the following values:
  1403. * @arg @ref LL_RCC_LSEDRIVE_LOW
  1404. * @arg @ref LL_RCC_LSEDRIVE_MEDIUMLOW
  1405. * @arg @ref LL_RCC_LSEDRIVE_MEDIUMHIGH
  1406. * @arg @ref LL_RCC_LSEDRIVE_HIGH
  1407. */
  1408. __STATIC_INLINE uint32_t LL_RCC_LSE_GetDriveCapability(void)
  1409. {
  1410. return (uint32_t)(READ_BIT(RCC->BDCR, RCC_BDCR_LSEDRV));
  1411. }
  1412. /**
  1413. * @brief Enable Clock security system on LSE.
  1414. * @rmtoll BDCR LSECSSON LL_RCC_LSE_EnableCSS
  1415. * @retval None
  1416. */
  1417. __STATIC_INLINE void LL_RCC_LSE_EnableCSS(void)
  1418. {
  1419. SET_BIT(RCC->BDCR, RCC_BDCR_LSECSSON);
  1420. }
  1421. /**
  1422. * @brief Disable Clock security system on LSE.
  1423. * @note Clock security system can be disabled only after a LSE
  1424. * failure detection. In that case it MUST be disabled by software.
  1425. * @rmtoll BDCR LSECSSON LL_RCC_LSE_DisableCSS
  1426. * @retval None
  1427. */
  1428. __STATIC_INLINE void LL_RCC_LSE_DisableCSS(void)
  1429. {
  1430. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSECSSON);
  1431. }
  1432. /**
  1433. * @brief Check if LSE oscillator Ready
  1434. * @rmtoll BDCR LSERDY LL_RCC_LSE_IsReady
  1435. * @retval State of bit (1 or 0).
  1436. */
  1437. __STATIC_INLINE uint32_t LL_RCC_LSE_IsReady(void)
  1438. {
  1439. return ((READ_BIT(RCC->BDCR, RCC_BDCR_LSERDY) == (RCC_BDCR_LSERDY)) ? 1UL : 0UL);
  1440. }
  1441. /**
  1442. * @brief Check if CSS on LSE failure Detection
  1443. * @rmtoll BDCR LSECSSD LL_RCC_LSE_IsCSSDetected
  1444. * @retval State of bit (1 or 0).
  1445. */
  1446. __STATIC_INLINE uint32_t LL_RCC_LSE_IsCSSDetected(void)
  1447. {
  1448. return ((READ_BIT(RCC->BDCR, RCC_BDCR_LSECSSD) == (RCC_BDCR_LSECSSD)) ? 1UL : 0UL);
  1449. }
  1450. /**
  1451. * @}
  1452. */
  1453. /** @defgroup RCC_LL_EF_LSI LSI
  1454. * @{
  1455. */
  1456. /**
  1457. * @brief Enable LSI Oscillator
  1458. * @rmtoll CSR LSION LL_RCC_LSI_Enable
  1459. * @retval None
  1460. */
  1461. __STATIC_INLINE void LL_RCC_LSI_Enable(void)
  1462. {
  1463. SET_BIT(RCC->CSR, RCC_CSR_LSION);
  1464. }
  1465. /**
  1466. * @brief Disable LSI Oscillator
  1467. * @rmtoll CSR LSION LL_RCC_LSI_Disable
  1468. * @retval None
  1469. */
  1470. __STATIC_INLINE void LL_RCC_LSI_Disable(void)
  1471. {
  1472. CLEAR_BIT(RCC->CSR, RCC_CSR_LSION);
  1473. }
  1474. /**
  1475. * @brief Check if LSI is Ready
  1476. * @rmtoll CSR LSIRDY LL_RCC_LSI_IsReady
  1477. * @retval State of bit (1 or 0).
  1478. */
  1479. __STATIC_INLINE uint32_t LL_RCC_LSI_IsReady(void)
  1480. {
  1481. return ((READ_BIT(RCC->CSR, RCC_CSR_LSIRDY) == (RCC_CSR_LSIRDY)) ? 1UL : 0UL);
  1482. }
  1483. /**
  1484. * @}
  1485. */
  1486. /** @defgroup RCC_LL_EF_LSCO LSCO
  1487. * @{
  1488. */
  1489. /**
  1490. * @brief Enable Low speed clock
  1491. * @rmtoll BDCR LSCOEN LL_RCC_LSCO_Enable
  1492. * @retval None
  1493. */
  1494. __STATIC_INLINE void LL_RCC_LSCO_Enable(void)
  1495. {
  1496. SET_BIT(RCC->BDCR, RCC_BDCR_LSCOEN);
  1497. }
  1498. /**
  1499. * @brief Disable Low speed clock
  1500. * @rmtoll BDCR LSCOEN LL_RCC_LSCO_Disable
  1501. * @retval None
  1502. */
  1503. __STATIC_INLINE void LL_RCC_LSCO_Disable(void)
  1504. {
  1505. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSCOEN);
  1506. }
  1507. /**
  1508. * @brief Configure Low speed clock selection
  1509. * @rmtoll BDCR LSCOSEL LL_RCC_LSCO_SetSource
  1510. * @param Source This parameter can be one of the following values:
  1511. * @arg @ref LL_RCC_LSCO_CLKSOURCE_LSI
  1512. * @arg @ref LL_RCC_LSCO_CLKSOURCE_LSE
  1513. * @retval None
  1514. */
  1515. __STATIC_INLINE void LL_RCC_LSCO_SetSource(uint32_t Source)
  1516. {
  1517. MODIFY_REG(RCC->BDCR, RCC_BDCR_LSCOSEL, Source);
  1518. }
  1519. /**
  1520. * @brief Get Low speed clock selection
  1521. * @rmtoll BDCR LSCOSEL LL_RCC_LSCO_GetSource
  1522. * @retval Returned value can be one of the following values:
  1523. * @arg @ref LL_RCC_LSCO_CLKSOURCE_LSI
  1524. * @arg @ref LL_RCC_LSCO_CLKSOURCE_LSE
  1525. */
  1526. __STATIC_INLINE uint32_t LL_RCC_LSCO_GetSource(void)
  1527. {
  1528. return (uint32_t)(READ_BIT(RCC->BDCR, RCC_BDCR_LSCOSEL));
  1529. }
  1530. /**
  1531. * @}
  1532. */
  1533. /** @defgroup RCC_LL_EF_System System
  1534. * @{
  1535. */
  1536. /**
  1537. * @brief Configure the system clock source
  1538. * @rmtoll CFGR SW LL_RCC_SetSysClkSource
  1539. * @param Source This parameter can be one of the following values:
  1540. * @arg @ref LL_RCC_SYS_CLKSOURCE_HSI
  1541. * @arg @ref LL_RCC_SYS_CLKSOURCE_HSE
  1542. * @arg @ref LL_RCC_SYS_CLKSOURCE_PLL
  1543. * @arg @ref LL_RCC_SYS_CLKSOURCE_LSI
  1544. * @arg @ref LL_RCC_SYS_CLKSOURCE_LSE
  1545. * @retval None
  1546. */
  1547. __STATIC_INLINE void LL_RCC_SetSysClkSource(uint32_t Source)
  1548. {
  1549. MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, Source);
  1550. }
  1551. /**
  1552. * @brief Get the system clock source
  1553. * @rmtoll CFGR SWS LL_RCC_GetSysClkSource
  1554. * @retval Returned value can be one of the following values:
  1555. * @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_HSI
  1556. * @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_HSE
  1557. * @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_PLL
  1558. * @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_LSI
  1559. * @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_LSE
  1560. */
  1561. __STATIC_INLINE uint32_t LL_RCC_GetSysClkSource(void)
  1562. {
  1563. return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_SWS));
  1564. }
  1565. /**
  1566. * @brief Set AHB prescaler
  1567. * @rmtoll CFGR HPRE LL_RCC_SetAHBPrescaler
  1568. * @param Prescaler This parameter can be one of the following values:
  1569. * @arg @ref LL_RCC_SYSCLK_DIV_1
  1570. * @arg @ref LL_RCC_SYSCLK_DIV_2
  1571. * @arg @ref LL_RCC_SYSCLK_DIV_4
  1572. * @arg @ref LL_RCC_SYSCLK_DIV_8
  1573. * @arg @ref LL_RCC_SYSCLK_DIV_16
  1574. * @arg @ref LL_RCC_SYSCLK_DIV_64
  1575. * @arg @ref LL_RCC_SYSCLK_DIV_128
  1576. * @arg @ref LL_RCC_SYSCLK_DIV_256
  1577. * @arg @ref LL_RCC_SYSCLK_DIV_512
  1578. * @retval None
  1579. */
  1580. __STATIC_INLINE void LL_RCC_SetAHBPrescaler(uint32_t Prescaler)
  1581. {
  1582. MODIFY_REG(RCC->CFGR, RCC_CFGR_HPRE, Prescaler);
  1583. }
  1584. /**
  1585. * @brief Set APB1 prescaler
  1586. * @rmtoll CFGR PPRE LL_RCC_SetAPB1Prescaler
  1587. * @param Prescaler This parameter can be one of the following values:
  1588. * @arg @ref LL_RCC_APB1_DIV_1
  1589. * @arg @ref LL_RCC_APB1_DIV_2
  1590. * @arg @ref LL_RCC_APB1_DIV_4
  1591. * @arg @ref LL_RCC_APB1_DIV_8
  1592. * @arg @ref LL_RCC_APB1_DIV_16
  1593. * @retval None
  1594. */
  1595. __STATIC_INLINE void LL_RCC_SetAPB1Prescaler(uint32_t Prescaler)
  1596. {
  1597. MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE, Prescaler);
  1598. }
  1599. /**
  1600. * @brief Set HSI16 division factor
  1601. * @rmtoll CR HSIDIV LL_RCC_SetHSIDiv
  1602. * @note HSIDIV parameter is only applied to SYSCLK_Frequency when HSI is used as
  1603. * system clock source.
  1604. * @param HSIDiv This parameter can be one of the following values:
  1605. * @arg @ref LL_RCC_HSI_DIV_1
  1606. * @arg @ref LL_RCC_HSI_DIV_2
  1607. * @arg @ref LL_RCC_HSI_DIV_4
  1608. * @arg @ref LL_RCC_HSI_DIV_8
  1609. * @arg @ref LL_RCC_HSI_DIV_16
  1610. * @arg @ref LL_RCC_HSI_DIV_32
  1611. * @arg @ref LL_RCC_HSI_DIV_64
  1612. * @arg @ref LL_RCC_HSI_DIV_128
  1613. * @retval None
  1614. */
  1615. __STATIC_INLINE void LL_RCC_SetHSIDiv(uint32_t HSIDiv)
  1616. {
  1617. MODIFY_REG(RCC->CR, RCC_CR_HSIDIV, HSIDiv);
  1618. }
  1619. /**
  1620. * @brief Get AHB prescaler
  1621. * @rmtoll CFGR HPRE LL_RCC_GetAHBPrescaler
  1622. * @retval Returned value can be one of the following values:
  1623. * @arg @ref LL_RCC_SYSCLK_DIV_1
  1624. * @arg @ref LL_RCC_SYSCLK_DIV_2
  1625. * @arg @ref LL_RCC_SYSCLK_DIV_4
  1626. * @arg @ref LL_RCC_SYSCLK_DIV_8
  1627. * @arg @ref LL_RCC_SYSCLK_DIV_16
  1628. * @arg @ref LL_RCC_SYSCLK_DIV_64
  1629. * @arg @ref LL_RCC_SYSCLK_DIV_128
  1630. * @arg @ref LL_RCC_SYSCLK_DIV_256
  1631. * @arg @ref LL_RCC_SYSCLK_DIV_512
  1632. */
  1633. __STATIC_INLINE uint32_t LL_RCC_GetAHBPrescaler(void)
  1634. {
  1635. return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_HPRE));
  1636. }
  1637. /**
  1638. * @brief Get APB1 prescaler
  1639. * @rmtoll CFGR PPRE LL_RCC_GetAPB1Prescaler
  1640. * @retval Returned value can be one of the following values:
  1641. * @arg @ref LL_RCC_APB1_DIV_1
  1642. * @arg @ref LL_RCC_APB1_DIV_2
  1643. * @arg @ref LL_RCC_APB1_DIV_4
  1644. * @arg @ref LL_RCC_APB1_DIV_8
  1645. * @arg @ref LL_RCC_APB1_DIV_16
  1646. */
  1647. __STATIC_INLINE uint32_t LL_RCC_GetAPB1Prescaler(void)
  1648. {
  1649. return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PPRE));
  1650. }
  1651. /**
  1652. * @brief Get HSI16 Division factor
  1653. * @rmtoll CR HSIDIV LL_RCC_GetHSIDiv
  1654. * @note HSIDIV parameter is only applied to SYSCLK_Frequency when HSI is used as
  1655. * system clock source.
  1656. * @retval Returned value can be one of the following values:
  1657. * @arg @ref LL_RCC_HSI_DIV_1
  1658. * @arg @ref LL_RCC_HSI_DIV_2
  1659. * @arg @ref LL_RCC_HSI_DIV_4
  1660. * @arg @ref LL_RCC_HSI_DIV_8
  1661. * @arg @ref LL_RCC_HSI_DIV_16
  1662. * @arg @ref LL_RCC_HSI_DIV_32
  1663. * @arg @ref LL_RCC_HSI_DIV_64
  1664. * @arg @ref LL_RCC_HSI_DIV_128
  1665. */
  1666. __STATIC_INLINE uint32_t LL_RCC_GetHSIDiv(void)
  1667. {
  1668. return (uint32_t)(READ_BIT(RCC->CR, RCC_CR_HSIDIV));
  1669. }
  1670. /**
  1671. * @}
  1672. */
  1673. /** @defgroup RCC_LL_EF_MCO1 MCO1
  1674. * @{
  1675. */
  1676. /**
  1677. * @brief Configure MCOx
  1678. * @rmtoll CFGR MCOSEL LL_RCC_ConfigMCO\n
  1679. * CFGR MCOPRE LL_RCC_ConfigMCO
  1680. * @param MCOxSource This parameter can be one of the following values:
  1681. * @arg @ref LL_RCC_MCO1SOURCE_NOCLOCK
  1682. * @arg @ref LL_RCC_MCO1SOURCE_SYSCLK
  1683. * @arg @ref LL_RCC_MCO1SOURCE_HSI
  1684. * @arg @ref LL_RCC_MCO1SOURCE_HSI48 (*)
  1685. * @arg @ref LL_RCC_MCO1SOURCE_HSE
  1686. * @arg @ref LL_RCC_MCO1SOURCE_PLLCLK
  1687. * @arg @ref LL_RCC_MCO1SOURCE_LSI
  1688. * @arg @ref LL_RCC_MCO1SOURCE_LSE
  1689. * @arg @ref LL_RCC_MCO1SOURCE_PLLPCLK (*)
  1690. * @arg @ref LL_RCC_MCO1SOURCE_PLLQCLK (*)
  1691. * @arg @ref LL_RCC_MCO1SOURCE_RTCCLK (*)
  1692. * @arg @ref LL_RCC_MCO1SOURCE_RTC_WKUP (*)
  1693. *
  1694. * (*) value not defined in all devices.
  1695. * @param MCOxPrescaler This parameter can be one of the following values:
  1696. * @arg @ref LL_RCC_MCO1_DIV_1
  1697. * @arg @ref LL_RCC_MCO1_DIV_2
  1698. * @arg @ref LL_RCC_MCO1_DIV_4
  1699. * @arg @ref LL_RCC_MCO1_DIV_8
  1700. * @arg @ref LL_RCC_MCO1_DIV_32
  1701. * @arg @ref LL_RCC_MCO1_DIV_64
  1702. * @arg @ref LL_RCC_MCO1_DIV_128
  1703. * @retval None
  1704. */
  1705. __STATIC_INLINE void LL_RCC_ConfigMCO(uint32_t MCOxSource, uint32_t MCOxPrescaler)
  1706. {
  1707. MODIFY_REG(RCC->CFGR, RCC_CFGR_MCOSEL | RCC_CFGR_MCOPRE, MCOxSource | MCOxPrescaler);
  1708. }
  1709. /**
  1710. * @}
  1711. */
  1712. #if defined(RCC_MCO2_SUPPORT)
  1713. /** @defgroup RCC_LL_EF_MCO2 MCO2
  1714. * @{
  1715. */
  1716. /**
  1717. * @brief Configure MCO2
  1718. * @rmtoll CFGR MCO2SEL LL_RCC_ConfigMCO2\n
  1719. * CFGR MCO2PRE LL_RCC_ConfigMCO2
  1720. * @note feature not available in all devices.
  1721. * @param MCOxSource This parameter can be one of the following values:
  1722. * @arg @ref LL_RCC_MCO2SOURCE_NOCLOCK
  1723. * @arg @ref LL_RCC_MCO2SOURCE_SYSCLK
  1724. * @arg @ref LL_RCC_MCO2SOURCE_HSI
  1725. * @arg @ref LL_RCC_MCO2SOURCE_HSI48
  1726. * @arg @ref LL_RCC_MCO2SOURCE_HSE
  1727. * @arg @ref LL_RCC_MCO2SOURCE_PLLCLK
  1728. * @arg @ref LL_RCC_MCO2SOURCE_LSI
  1729. * @arg @ref LL_RCC_MCO2SOURCE_LSE
  1730. * @arg @ref LL_RCC_MCO2SOURCE_PLLPCLK
  1731. * @arg @ref LL_RCC_MCO2SOURCE_PLLQCLK
  1732. * @arg @ref LL_RCC_MCO2SOURCE_RTCCLK
  1733. * @arg @ref LL_RCC_MCO2SOURCE_RTC_WKUP
  1734. *
  1735. * @param MCOxPrescaler This parameter can be one of the following values:
  1736. * @arg @ref LL_RCC_MCO2_DIV_1
  1737. * @arg @ref LL_RCC_MCO2_DIV_2
  1738. * @arg @ref LL_RCC_MCO2_DIV_4
  1739. * @arg @ref LL_RCC_MCO2_DIV_8
  1740. * @arg @ref LL_RCC_MCO2_DIV_16
  1741. * @arg @ref LL_RCC_MCO2_DIV_32
  1742. * @arg @ref LL_RCC_MCO2_DIV_64
  1743. * @arg @ref LL_RCC_MCO2_DIV_128
  1744. * @arg @ref LL_RCC_MCO2_DIV_256
  1745. * @arg @ref LL_RCC_MCO2_DIV_512
  1746. * @arg @ref LL_RCC_MCO2_DIV_1024
  1747. * @retval None
  1748. */
  1749. __STATIC_INLINE void LL_RCC_ConfigMCO2(uint32_t MCOxSource, uint32_t MCOxPrescaler)
  1750. {
  1751. MODIFY_REG(RCC->CFGR, RCC_CFGR_MCO2SEL | RCC_CFGR_MCO2PRE, MCOxSource | MCOxPrescaler);
  1752. }
  1753. /**
  1754. * @}
  1755. */
  1756. #endif /* RCC_MCO2_SUPPORT */
  1757. /** @defgroup RCC_LL_EF_Peripheral_Clock_Source Peripheral Clock Source
  1758. * @{
  1759. */
  1760. /**
  1761. * @brief Configure USARTx clock source
  1762. * @rmtoll CCIPR USARTxSEL LL_RCC_SetUSARTClockSource
  1763. * @param USARTxSource This parameter can be one of the following values:
  1764. * @arg @ref LL_RCC_USART1_CLKSOURCE_PCLK1
  1765. * @arg @ref LL_RCC_USART1_CLKSOURCE_SYSCLK
  1766. * @arg @ref LL_RCC_USART1_CLKSOURCE_HSI
  1767. * @arg @ref LL_RCC_USART1_CLKSOURCE_LSE
  1768. * @arg @ref LL_RCC_USART2_CLKSOURCE_PCLK1 (*)
  1769. * @arg @ref LL_RCC_USART2_CLKSOURCE_SYSCLK (*)
  1770. * @arg @ref LL_RCC_USART2_CLKSOURCE_HSI (*)
  1771. * @arg @ref LL_RCC_USART2_CLKSOURCE_LSE (*)
  1772. * @arg @ref LL_RCC_USART3_CLKSOURCE_PCLK1 (*)
  1773. * @arg @ref LL_RCC_USART3_CLKSOURCE_SYSCLK (*)
  1774. * @arg @ref LL_RCC_USART3_CLKSOURCE_HSI (*)
  1775. * @arg @ref LL_RCC_USART3_CLKSOURCE_LSE (*)
  1776. *
  1777. * (*) value not defined in all devices.
  1778. * @retval None
  1779. */
  1780. __STATIC_INLINE void LL_RCC_SetUSARTClockSource(uint32_t USARTxSource)
  1781. {
  1782. MODIFY_REG(RCC->CCIPR, (USARTxSource >> 16U), (USARTxSource & 0x0000FFFFU));
  1783. }
  1784. #if defined(LPUART1)
  1785. /**
  1786. * @brief Configure LPUARTx clock source
  1787. * @rmtoll CCIPR LPUART1SEL LL_RCC_SetLPUARTClockSource
  1788. * @rmtoll CCIPR LPUART2SEL LL_RCC_SetLPUARTClockSource
  1789. * @param LPUARTxSource This parameter can be one of the following values:
  1790. * @arg @ref LL_RCC_LPUART1_CLKSOURCE_PCLK1
  1791. * @arg @ref LL_RCC_LPUART1_CLKSOURCE_SYSCLK
  1792. * @arg @ref LL_RCC_LPUART1_CLKSOURCE_HSI
  1793. * @arg @ref LL_RCC_LPUART1_CLKSOURCE_LSE
  1794. * @arg @ref LL_RCC_LPUART2_CLKSOURCE_PCLK1 (*)
  1795. * @arg @ref LL_RCC_LPUART2_CLKSOURCE_SYSCLK (*)
  1796. * @arg @ref LL_RCC_LPUART2_CLKSOURCE_HSI (*)
  1797. * @arg @ref LL_RCC_LPUART2_CLKSOURCE_LSE (*)
  1798. * (*) feature not available on all devices
  1799. * @retval None
  1800. */
  1801. __STATIC_INLINE void LL_RCC_SetLPUARTClockSource(uint32_t LPUARTxSource)
  1802. {
  1803. MODIFY_REG(RCC->CCIPR, (LPUARTxSource >> 16U), (LPUARTxSource & 0x0000FFFFU));
  1804. }
  1805. #endif /* LPUART1 */
  1806. /**
  1807. * @brief Configure I2Cx clock source
  1808. * @rmtoll CCIPR I2C1SEL LL_RCC_SetI2CClockSource
  1809. * @param I2CxSource This parameter can be one of the following values:
  1810. * @arg @ref LL_RCC_I2C1_CLKSOURCE_PCLK1
  1811. * @arg @ref LL_RCC_I2C1_CLKSOURCE_SYSCLK
  1812. * @arg @ref LL_RCC_I2C1_CLKSOURCE_HSI
  1813. * @arg @ref LL_RCC_I2C2_CLKSOURCE_PCLK1 (*)
  1814. * @arg @ref LL_RCC_I2C2_CLKSOURCE_SYSCLK (*)
  1815. * @arg @ref LL_RCC_I2C2_CLKSOURCE_HSI (*)
  1816. * (*) value not defined in all devices.
  1817. * @retval None
  1818. */
  1819. __STATIC_INLINE void LL_RCC_SetI2CClockSource(uint32_t I2CxSource)
  1820. {
  1821. MODIFY_REG(RCC->CCIPR, (I2CxSource >> 16U), (I2CxSource & 0x0000FFFFU));
  1822. }
  1823. #if defined(RCC_CCIPR_TIM1SEL) || defined(RCC_CCIPR_TIM15SEL)
  1824. /**
  1825. * @brief Configure TIMx clock source
  1826. * @rmtoll CCIPR TIMxSEL LL_RCC_SetTIMClockSource
  1827. * @param TIMxSource This parameter can be one of the following values:
  1828. * @arg @ref LL_RCC_TIM1_CLKSOURCE_PLL
  1829. * @arg @ref LL_RCC_TIM1_CLKSOURCE_PCLK1
  1830. * @if defined(STM32G081xx)
  1831. * @arg @ref LL_RCC_TIM15_CLKSOURCE_PLL
  1832. * @arg @ref LL_RCC_TIM15_CLKSOURCE_PCLK1
  1833. * @endif
  1834. * @retval None
  1835. */
  1836. __STATIC_INLINE void LL_RCC_SetTIMClockSource(uint32_t TIMxSource)
  1837. {
  1838. MODIFY_REG(RCC->CCIPR, (TIMxSource & 0xFFFF0000U), (TIMxSource << 16));
  1839. }
  1840. #endif /* RCC_CCIPR_TIM1SEL && RCC_CCIPR_TIM15SEL */
  1841. #if defined(LPTIM1) && defined(LPTIM2)
  1842. /**
  1843. * @brief Configure LPTIMx clock source
  1844. * @rmtoll CCIPR LPTIMxSEL LL_RCC_SetLPTIMClockSource
  1845. * @param LPTIMxSource This parameter can be one of the following values:
  1846. * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_PCLK1
  1847. * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_LSI
  1848. * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_HSI
  1849. * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_LSE
  1850. * @arg @ref LL_RCC_LPTIM2_CLKSOURCE_PCLK1
  1851. * @arg @ref LL_RCC_LPTIM2_CLKSOURCE_LSI
  1852. * @arg @ref LL_RCC_LPTIM2_CLKSOURCE_HSI
  1853. * @arg @ref LL_RCC_LPTIM2_CLKSOURCE_LSE
  1854. * @retval None
  1855. */
  1856. __STATIC_INLINE void LL_RCC_SetLPTIMClockSource(uint32_t LPTIMxSource)
  1857. {
  1858. MODIFY_REG(RCC->CCIPR, (LPTIMxSource & 0xFFFF0000U), (LPTIMxSource << 16U));
  1859. }
  1860. #endif /* LPTIM1 && LPTIM2 */
  1861. #if defined(CEC)
  1862. /**
  1863. * @brief Configure CEC clock source
  1864. * @rmtoll CCIPR CECSEL LL_RCC_SetCECClockSource
  1865. * @param CECxSource This parameter can be one of the following values:
  1866. * @arg @ref LL_RCC_CEC_CLKSOURCE_HSI_DIV488
  1867. * @arg @ref LL_RCC_CEC_CLKSOURCE_LSE
  1868. * @retval None
  1869. */
  1870. __STATIC_INLINE void LL_RCC_SetCECClockSource(uint32_t CECxSource)
  1871. {
  1872. MODIFY_REG(RCC->CCIPR, RCC_CCIPR_CECSEL, CECxSource);
  1873. }
  1874. #endif /* CEC */
  1875. #if defined(RCC_CCIPR_RNGDIV)
  1876. /**
  1877. * @brief Configure RNG division factor
  1878. * @rmtoll CCIPR RNGDIV LL_RCC_SetRNGClockDiv
  1879. * @param RNGxDiv This parameter can be one of the following values:
  1880. * @arg @ref LL_RCC_RNG_CLK_DIV1
  1881. * @arg @ref LL_RCC_RNG_CLK_DIV2
  1882. * @arg @ref LL_RCC_RNG_CLK_DIV4
  1883. * @arg @ref LL_RCC_RNG_CLK_DIV8
  1884. * @retval None
  1885. */
  1886. __STATIC_INLINE void LL_RCC_SetRNGClockDiv(uint32_t RNGxDiv)
  1887. {
  1888. MODIFY_REG(RCC->CCIPR, RCC_CCIPR_RNGDIV, RNGxDiv);
  1889. }
  1890. #endif /* RNG */
  1891. #if defined (RCC_CCIPR_RNGSEL)
  1892. /**
  1893. * @brief Configure RNG clock source
  1894. * @rmtoll CCIPR RNGSEL LL_RCC_SetRNGClockSource
  1895. * @param RNGxSource This parameter can be one of the following values:
  1896. * @arg @ref LL_RCC_RNG_CLKSOURCE_NONE
  1897. * @arg @ref LL_RCC_RNG_CLKSOURCE_HSI_DIV8
  1898. * @arg @ref LL_RCC_RNG_CLKSOURCE_SYSCLK
  1899. * @arg @ref LL_RCC_RNG_CLKSOURCE_PLL
  1900. * @retval None
  1901. */
  1902. __STATIC_INLINE void LL_RCC_SetRNGClockSource(uint32_t RNGxSource)
  1903. {
  1904. MODIFY_REG(RCC->CCIPR, RCC_CCIPR_RNGSEL, RNGxSource);
  1905. }
  1906. #endif /* RNG */
  1907. #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
  1908. /**
  1909. * @brief Configure USB clock source
  1910. * @rmtoll CCIPR2 CK48MSEL LL_RCC_SetUSBClockSource
  1911. * @param USBxSource This parameter can be one of the following values:
  1912. * @arg @ref LL_RCC_USB_CLKSOURCE_HSI48
  1913. * @arg @ref LL_RCC_USB_CLKSOURCE_HSE
  1914. * @arg @ref LL_RCC_USB_CLKSOURCE_PLL
  1915. *
  1916. * (*) value not defined in all devices.
  1917. * @retval None
  1918. */
  1919. __STATIC_INLINE void LL_RCC_SetUSBClockSource(uint32_t USBxSource)
  1920. {
  1921. MODIFY_REG(RCC->CCIPR2, RCC_CCIPR2_USBSEL, USBxSource);
  1922. }
  1923. #endif /* STM32G0C1xx || STM32G0B1xx || STM32G0B0xx */
  1924. #if defined (FDCAN1) || defined (FDCAN2)
  1925. /**
  1926. * @brief Configure FDCAN clock source
  1927. * @rmtoll CCIPR2 FDCANSEL LL_RCC_SetFDCANClockSource
  1928. * @param FDCANxSource This parameter can be one of the following values:
  1929. * @arg @ref LL_RCC_FDCAN_CLKSOURCE_HSE
  1930. * @arg @ref LL_RCC_FDCAN_CLKSOURCE_PCLK1
  1931. * @arg @ref LL_RCC_FDCAN_CLKSOURCE_PLL
  1932. * @retval None
  1933. */
  1934. __STATIC_INLINE void LL_RCC_SetFDCANClockSource(uint32_t FDCANxSource)
  1935. {
  1936. MODIFY_REG(RCC->CCIPR2, RCC_CCIPR2_FDCANSEL, FDCANxSource);
  1937. }
  1938. #endif /* FDCAN1 || FDCAN2 */
  1939. /**
  1940. * @brief Configure ADC clock source
  1941. * @rmtoll CCIPR ADCSEL LL_RCC_SetADCClockSource
  1942. * @param ADCxSource This parameter can be one of the following values:
  1943. * @arg @ref LL_RCC_ADC_CLKSOURCE_PLL
  1944. * @arg @ref LL_RCC_ADC_CLKSOURCE_SYSCLK
  1945. * @arg @ref LL_RCC_ADC_CLKSOURCE_HSI
  1946. * @retval None
  1947. */
  1948. __STATIC_INLINE void LL_RCC_SetADCClockSource(uint32_t ADCxSource)
  1949. {
  1950. MODIFY_REG(RCC->CCIPR, RCC_CCIPR_ADCSEL, ADCxSource);
  1951. }
  1952. #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
  1953. /**
  1954. * @brief Configure I2Sx clock source
  1955. * @rmtoll CCIPR2 I2SxSEL LL_RCC_SetI2SClockSource
  1956. * @param I2SxSource This parameter can be one of the following values:
  1957. * @arg @ref LL_RCC_I2S1_CLKSOURCE_SYSCLK
  1958. * @arg @ref LL_RCC_I2S1_CLKSOURCE_PIN
  1959. * @arg @ref LL_RCC_I2S1_CLKSOURCE_PLL
  1960. * @arg @ref LL_RCC_I2S1_CLKSOURCE_HSI
  1961. * @arg @ref LL_RCC_I2S2_CLKSOURCE_SYSCLK
  1962. * @arg @ref LL_RCC_I2S2_CLKSOURCE_PIN
  1963. * @arg @ref LL_RCC_I2S2_CLKSOURCE_PLL
  1964. * @arg @ref LL_RCC_I2S2_CLKSOURCE_HSI
  1965. * @retval None
  1966. */
  1967. __STATIC_INLINE void LL_RCC_SetI2SClockSource(uint32_t I2SxSource)
  1968. {
  1969. MODIFY_REG(RCC->CCIPR2, (I2SxSource >> 16U), (I2SxSource & 0x0000FFFFU));
  1970. }
  1971. #else
  1972. /**
  1973. * @brief Configure I2Sx clock source
  1974. * @rmtoll CCIPR I2S1SEL LL_RCC_SetI2SClockSource
  1975. * @param I2SxSource This parameter can be one of the following values:
  1976. * @arg @ref LL_RCC_I2S1_CLKSOURCE_SYSCLK
  1977. * @arg @ref LL_RCC_I2S1_CLKSOURCE_PIN
  1978. * @arg @ref LL_RCC_I2S1_CLKSOURCE_PLL
  1979. * @arg @ref LL_RCC_I2S1_CLKSOURCE_HSI
  1980. * @retval None
  1981. */
  1982. __STATIC_INLINE void LL_RCC_SetI2SClockSource(uint32_t I2SxSource)
  1983. {
  1984. MODIFY_REG(RCC->CCIPR, RCC_CCIPR_I2S1SEL, I2SxSource);
  1985. }
  1986. #endif /* STM32G0C1xx || STM32G0B1xx || STM32G0B0xx */
  1987. /**
  1988. * @brief Get USARTx clock source
  1989. * @rmtoll CCIPR USARTxSEL LL_RCC_GetUSARTClockSource
  1990. * @param USARTx This parameter can be one of the following values:
  1991. * @arg @ref LL_RCC_USART1_CLKSOURCE
  1992. * @arg @ref LL_RCC_USART2_CLKSOURCE
  1993. * @arg @ref LL_RCC_USART3_CLKSOURCE (*)
  1994. * @retval Returned value can be one of the following values:
  1995. * @arg @ref LL_RCC_USART1_CLKSOURCE_PCLK1
  1996. * @arg @ref LL_RCC_USART1_CLKSOURCE_SYSCLK
  1997. * @arg @ref LL_RCC_USART1_CLKSOURCE_HSI
  1998. * @arg @ref LL_RCC_USART1_CLKSOURCE_LSE
  1999. * @arg @ref LL_RCC_USART2_CLKSOURCE_PCLK1 (*)
  2000. * @arg @ref LL_RCC_USART2_CLKSOURCE_SYSCLK (*)
  2001. * @arg @ref LL_RCC_USART2_CLKSOURCE_HSI (*)
  2002. * @arg @ref LL_RCC_USART2_CLKSOURCE_LSE (*)
  2003. * @arg @ref LL_RCC_USART3_CLKSOURCE_PCLK1 (*)
  2004. * @arg @ref LL_RCC_USART3_CLKSOURCE_SYSCLK (*)
  2005. * @arg @ref LL_RCC_USART3_CLKSOURCE_HSI (*)
  2006. * @arg @ref LL_RCC_USART3_CLKSOURCE_LSE (*)
  2007. * (*) feature not available on all devices
  2008. */
  2009. __STATIC_INLINE uint32_t LL_RCC_GetUSARTClockSource(uint32_t USARTx)
  2010. {
  2011. return (uint32_t)(READ_BIT(RCC->CCIPR, USARTx) | (USARTx << 16U));
  2012. }
  2013. #if defined (LPUART2) || defined (LPUART1)
  2014. /**
  2015. * @brief Get LPUARTx clock source
  2016. * @rmtoll CCIPR LPUART1SEL LL_RCC_GetLPUARTClockSource\n
  2017. * CCIPR LPUART2SEL LL_RCC_GetLPUARTClockSource
  2018. * @param LPUARTx This parameter can be one of the following values:
  2019. * @arg @ref LL_RCC_LPUART1_CLKSOURCE
  2020. * @arg @ref LL_RCC_LPUART2_CLKSOURCE (*)
  2021. * @retval Returned value can be one of the following values:
  2022. * @arg @ref LL_RCC_LPUART1_CLKSOURCE_PCLK1
  2023. * @arg @ref LL_RCC_LPUART1_CLKSOURCE_SYSCLK
  2024. * @arg @ref LL_RCC_LPUART1_CLKSOURCE_HSI
  2025. * @arg @ref LL_RCC_LPUART1_CLKSOURCE_LSE
  2026. * @arg @ref LL_RCC_LPUART2_CLKSOURCE_PCLK1 (*)
  2027. * @arg @ref LL_RCC_LPUART2_CLKSOURCE_SYSCLK (*)
  2028. * @arg @ref LL_RCC_LPUART2_CLKSOURCE_HSI (*)
  2029. * @arg @ref LL_RCC_LPUART2_CLKSOURCE_LSE (*)
  2030. * (*) feature not available on all devices
  2031. */
  2032. __STATIC_INLINE uint32_t LL_RCC_GetLPUARTClockSource(uint32_t LPUARTx)
  2033. {
  2034. return (uint32_t)(READ_BIT(RCC->CCIPR, LPUARTx) | (LPUARTx << 16U));
  2035. }
  2036. #endif /* LPUART2 || LPUART1 */
  2037. /**
  2038. * @brief Get I2Cx clock source
  2039. * @rmtoll CCIPR I2C1SEL LL_RCC_GetI2CClockSource\n
  2040. * CCIPR I2C2SEL LL_RCC_GetI2CClockSource
  2041. * @param I2Cx This parameter can be one of the following values:
  2042. * @arg @ref LL_RCC_I2C1_CLKSOURCE
  2043. * @arg @ref LL_RCC_I2C2_CLKSOURCE
  2044. * @retval Returned value can be one of the following values:
  2045. * @arg @ref LL_RCC_I2C1_CLKSOURCE_PCLK1
  2046. * @arg @ref LL_RCC_I2C1_CLKSOURCE_SYSCLK
  2047. * @arg @ref LL_RCC_I2C1_CLKSOURCE_HSI
  2048. * @arg @ref LL_RCC_I2C2_CLKSOURCE_PCLK1
  2049. * @arg @ref LL_RCC_I2C2_CLKSOURCE_SYSCLK
  2050. * @arg @ref LL_RCC_I2C2_CLKSOURCE_HSI
  2051. */
  2052. __STATIC_INLINE uint32_t LL_RCC_GetI2CClockSource(uint32_t I2Cx)
  2053. {
  2054. return (uint32_t)(READ_BIT(RCC->CCIPR, I2Cx) | (I2Cx << 16U));
  2055. }
  2056. #if defined(RCC_CCIPR_TIM1SEL) || defined(RCC_CCIPR_TIM15SEL)
  2057. /**
  2058. * @brief Get TIMx clock source
  2059. * @rmtoll CCIPR TIMxSEL LL_RCC_GetTIMClockSource
  2060. * @param TIMx This parameter can be one of the following values:
  2061. * @arg @ref LL_RCC_TIM1_CLKSOURCE
  2062. * @arg @ref LL_RCC_TIM15_CLKSOURCE
  2063. * @retval Returned value can be one of the following values:
  2064. * @arg @ref LL_RCC_TIM1_CLKSOURCE_PLL
  2065. * @arg @ref LL_RCC_TIM1_CLKSOURCE_PCLK1
  2066. * @if defined(STM32G081xx)
  2067. * @arg @ref LL_RCC_TIM15_CLKSOURCE_PLL
  2068. * @arg @ref LL_RCC_TIM15_CLKSOURCE_PCLK1
  2069. * @endif
  2070. */
  2071. __STATIC_INLINE uint32_t LL_RCC_GetTIMClockSource(uint32_t TIMx)
  2072. {
  2073. return (uint32_t)((READ_BIT(RCC->CCIPR, TIMx) >> 16U) | TIMx);
  2074. }
  2075. #endif /* RCC_CCIPR_TIM1SEL || RCC_CCIPR_TIM15SEL */
  2076. #if defined(LPTIM1) && defined(LPTIM2)
  2077. /**
  2078. * @brief Get LPTIMx clock source
  2079. * @rmtoll CCIPR LPTIM1SEL LL_RCC_GetLPTIMClockSource\n
  2080. CCIPR LPTIM2SEL LL_RCC_GetLPTIMClockSource
  2081. * @param LPTIMx This parameter can be one of the following values:
  2082. * @arg @ref LL_RCC_LPTIM1_CLKSOURCE
  2083. * @arg @ref LL_RCC_LPTIM2_CLKSOURCE
  2084. * @retval Returned value can be one of the following values:
  2085. * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_PCLK1
  2086. * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_LSI
  2087. * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_HSI
  2088. * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_LSE
  2089. * @arg @ref LL_RCC_LPTIM2_CLKSOURCE_PCLK1
  2090. * @arg @ref LL_RCC_LPTIM2_CLKSOURCE_LSI
  2091. * @arg @ref LL_RCC_LPTIM2_CLKSOURCE_HSI
  2092. * @arg @ref LL_RCC_LPTIM2_CLKSOURCE_LSE
  2093. */
  2094. __STATIC_INLINE uint32_t LL_RCC_GetLPTIMClockSource(uint32_t LPTIMx)
  2095. {
  2096. return (uint32_t)((READ_BIT(RCC->CCIPR, LPTIMx) >> 16U) | LPTIMx);
  2097. }
  2098. #endif /* LPTIM1 && LPTIM2 */
  2099. #if defined (RCC_CCIPR_CECSEL)
  2100. /**
  2101. * @brief Get CEC clock source
  2102. * @rmtoll CCIPR CECSEL LL_RCC_GetCECClockSource
  2103. * @param CECx This parameter can be one of the following values:
  2104. * @arg @ref LL_RCC_CEC_CLKSOURCE
  2105. * @retval Returned value can be one of the following values:
  2106. * @arg @ref LL_RCC_CEC_CLKSOURCE_HSI_DIV488
  2107. * @arg @ref LL_RCC_CEC_CLKSOURCE_LSE
  2108. */
  2109. __STATIC_INLINE uint32_t LL_RCC_GetCECClockSource(uint32_t CECx)
  2110. {
  2111. return (uint32_t)(READ_BIT(RCC->CCIPR, CECx));
  2112. }
  2113. #endif /* CEC */
  2114. #if defined(RCC_CCIPR2_FDCANSEL)
  2115. /**
  2116. * @brief Get FDCAN clock source
  2117. * @rmtoll CCIPR2 FDCANSEL LL_RCC_GetFDCANClockSource
  2118. * @param FDCANx This parameter can be one of the following values:
  2119. * @arg @ref LL_RCC_FDCAN_CLKSOURCE
  2120. * @retval Returned value can be one of the following values:
  2121. * @arg @ref LL_RCC_FDCAN_CLKSOURCE_PCLK1
  2122. * @arg @ref LL_RCC_FDCAN_CLKSOURCE_HSE
  2123. */
  2124. __STATIC_INLINE uint32_t LL_RCC_GetFDCANClockSource(uint32_t FDCANx)
  2125. {
  2126. return (uint32_t)(READ_BIT(RCC->CCIPR2, FDCANx));
  2127. }
  2128. #endif /* RCC_CCIPR2_FDCANSEL */
  2129. #if defined(RNG)
  2130. /**
  2131. * @brief Get RNGx clock source
  2132. * @rmtoll CCIPR RNGSEL LL_RCC_GetRNGClockSource
  2133. * @param RNGx This parameter can be one of the following values:
  2134. * @arg @ref LL_RCC_RNG_CLKSOURCE
  2135. * @retval Returned value can be one of the following values:
  2136. * @arg @ref LL_RCC_RNG_CLKSOURCE_NONE
  2137. * @arg @ref LL_RCC_RNG_CLKSOURCE_HSI_DIV8
  2138. * @arg @ref LL_RCC_RNG_CLKSOURCE_SYSCLK
  2139. * @arg @ref LL_RCC_RNG_CLKSOURCE_PLL
  2140. */
  2141. __STATIC_INLINE uint32_t LL_RCC_GetRNGClockSource(uint32_t RNGx)
  2142. {
  2143. return (uint32_t)(READ_BIT(RCC->CCIPR, RNGx));
  2144. }
  2145. #endif /* RNG */
  2146. #if defined(RNG)
  2147. /**
  2148. * @brief Get RNGx clock division factor
  2149. * @rmtoll CCIPR RNGDIV LL_RCC_GetRNGClockDiv
  2150. * @retval Returned value can be one of the following values:
  2151. * @arg @ref LL_RCC_RNG_CLK_DIV1
  2152. * @arg @ref LL_RCC_RNG_CLK_DIV2
  2153. * @arg @ref LL_RCC_RNG_CLK_DIV4
  2154. * @arg @ref LL_RCC_RNG_CLK_DIV8
  2155. */
  2156. __STATIC_INLINE uint32_t LL_RCC_GetRNGClockDiv(void)
  2157. {
  2158. return (uint32_t)(READ_BIT(RCC->CCIPR, RCC_CCIPR_RNGDIV));
  2159. }
  2160. #endif /* RNG */
  2161. #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
  2162. /**
  2163. * @brief Get USBx clock source
  2164. * @rmtoll CCIPR2 CK48MSEL LL_RCC_GetUSBClockSource
  2165. * @param USBx This parameter can be one of the following values:
  2166. * @arg @ref LL_RCC_USB_CLKSOURCE
  2167. * @retval Returned value can be one of the following values:
  2168. * @arg @ref LL_RCC_USB_CLKSOURCE_HSI48
  2169. * @arg @ref LL_RCC_USB_CLKSOURCE_PLL
  2170. */
  2171. __STATIC_INLINE uint32_t LL_RCC_GetUSBClockSource(uint32_t USBx)
  2172. {
  2173. return (uint32_t)(READ_BIT(RCC->CCIPR2, USBx));
  2174. }
  2175. #endif /* STM32G0C1xx || STM32G0B1xx || STM32G0B0xx */
  2176. /**
  2177. * @brief Get ADCx clock source
  2178. * @rmtoll CCIPR ADCSEL LL_RCC_GetADCClockSource
  2179. * @param ADCx This parameter can be one of the following values:
  2180. * @arg @ref LL_RCC_ADC_CLKSOURCE
  2181. * @retval Returned value can be one of the following values:
  2182. * @arg @ref LL_RCC_ADC_CLKSOURCE_HSI
  2183. * @arg @ref LL_RCC_ADC_CLKSOURCE_PLL
  2184. * @arg @ref LL_RCC_ADC_CLKSOURCE_SYSCLK
  2185. */
  2186. __STATIC_INLINE uint32_t LL_RCC_GetADCClockSource(uint32_t ADCx)
  2187. {
  2188. return (uint32_t)(READ_BIT(RCC->CCIPR, ADCx));
  2189. }
  2190. #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
  2191. /**
  2192. * @brief Get I2Sx clock source
  2193. * @rmtoll CCIPR2 I2S1SEL LL_RCC_GetI2SClockSource\n
  2194. * CCIPR2 I2S2SEL LL_RCC_GetI2SClockSource
  2195. * @param I2Sx This parameter can be one of the following values:
  2196. * @arg @ref LL_RCC_I2S1_CLKSOURCE
  2197. * @arg @ref LL_RCC_I2S2_CLKSOURCE
  2198. * @retval Returned value can be one of the following values:
  2199. * @arg @ref LL_RCC_I2S1_CLKSOURCE_PIN
  2200. * @arg @ref LL_RCC_I2S1_CLKSOURCE_SYSCLK
  2201. * @arg @ref LL_RCC_I2S1_CLKSOURCE_HSI
  2202. * @arg @ref LL_RCC_I2S1_CLKSOURCE_PLL
  2203. * @arg @ref LL_RCC_I2S2_CLKSOURCE_PIN
  2204. * @arg @ref LL_RCC_I2S2_CLKSOURCE_SYSCLK
  2205. * @arg @ref LL_RCC_I2S2_CLKSOURCE_HSI
  2206. * @arg @ref LL_RCC_I2S2_CLKSOURCE_PLL
  2207. */
  2208. __STATIC_INLINE uint32_t LL_RCC_GetI2SClockSource(uint32_t I2Sx)
  2209. {
  2210. return (uint32_t)(READ_BIT(RCC->CCIPR2, I2Sx) | (I2Sx << 16U));
  2211. }
  2212. #else
  2213. /**
  2214. * @brief Get I2Sx clock source
  2215. * @rmtoll CCIPR I2S1SEL LL_RCC_GetI2SClockSource
  2216. * @param I2Sx This parameter can be one of the following values:
  2217. * @arg @ref LL_RCC_I2S1_CLKSOURCE
  2218. * @retval Returned value can be one of the following values:
  2219. * @arg @ref LL_RCC_I2S1_CLKSOURCE_PIN
  2220. * @arg @ref LL_RCC_I2S1_CLKSOURCE_SYSCLK
  2221. * @arg @ref LL_RCC_I2S1_CLKSOURCE_HSI
  2222. * @arg @ref LL_RCC_I2S1_CLKSOURCE_PLL
  2223. */
  2224. __STATIC_INLINE uint32_t LL_RCC_GetI2SClockSource(uint32_t I2Sx)
  2225. {
  2226. return (uint32_t)(READ_BIT(RCC->CCIPR, I2Sx));
  2227. }
  2228. #endif /* STM32G0C1xx || STM32G0B1xx || STM32G0B0xx */
  2229. /**
  2230. * @}
  2231. */
  2232. /** @defgroup RCC_LL_EF_RTC RTC
  2233. * @{
  2234. */
  2235. /**
  2236. * @brief Set RTC Clock Source
  2237. * @note Once the RTC clock source has been selected, it cannot be changed anymore unless
  2238. * the Backup domain is reset, or unless a failure is detected on LSE (LSECSSD is
  2239. * set). The BDRST bit can be used to reset them.
  2240. * @rmtoll BDCR RTCSEL LL_RCC_SetRTCClockSource
  2241. * @param Source This parameter can be one of the following values:
  2242. * @arg @ref LL_RCC_RTC_CLKSOURCE_NONE
  2243. * @arg @ref LL_RCC_RTC_CLKSOURCE_LSE
  2244. * @arg @ref LL_RCC_RTC_CLKSOURCE_LSI
  2245. * @arg @ref LL_RCC_RTC_CLKSOURCE_HSE_DIV32
  2246. * @retval None
  2247. */
  2248. __STATIC_INLINE void LL_RCC_SetRTCClockSource(uint32_t Source)
  2249. {
  2250. MODIFY_REG(RCC->BDCR, RCC_BDCR_RTCSEL, Source);
  2251. }
  2252. /**
  2253. * @brief Get RTC Clock Source
  2254. * @rmtoll BDCR RTCSEL LL_RCC_GetRTCClockSource
  2255. * @retval Returned value can be one of the following values:
  2256. * @arg @ref LL_RCC_RTC_CLKSOURCE_NONE
  2257. * @arg @ref LL_RCC_RTC_CLKSOURCE_LSE
  2258. * @arg @ref LL_RCC_RTC_CLKSOURCE_LSI
  2259. * @arg @ref LL_RCC_RTC_CLKSOURCE_HSE_DIV32
  2260. */
  2261. __STATIC_INLINE uint32_t LL_RCC_GetRTCClockSource(void)
  2262. {
  2263. return (uint32_t)(READ_BIT(RCC->BDCR, RCC_BDCR_RTCSEL));
  2264. }
  2265. /**
  2266. * @brief Enable RTC
  2267. * @rmtoll BDCR RTCEN LL_RCC_EnableRTC
  2268. * @retval None
  2269. */
  2270. __STATIC_INLINE void LL_RCC_EnableRTC(void)
  2271. {
  2272. SET_BIT(RCC->BDCR, RCC_BDCR_RTCEN);
  2273. }
  2274. /**
  2275. * @brief Disable RTC
  2276. * @rmtoll BDCR RTCEN LL_RCC_DisableRTC
  2277. * @retval None
  2278. */
  2279. __STATIC_INLINE void LL_RCC_DisableRTC(void)
  2280. {
  2281. CLEAR_BIT(RCC->BDCR, RCC_BDCR_RTCEN);
  2282. }
  2283. /**
  2284. * @brief Check if RTC has been enabled or not
  2285. * @rmtoll BDCR RTCEN LL_RCC_IsEnabledRTC
  2286. * @retval State of bit (1 or 0).
  2287. */
  2288. __STATIC_INLINE uint32_t LL_RCC_IsEnabledRTC(void)
  2289. {
  2290. return ((READ_BIT(RCC->BDCR, RCC_BDCR_RTCEN) == (RCC_BDCR_RTCEN)) ? 1UL : 0UL);
  2291. }
  2292. /**
  2293. * @brief Force the Backup domain reset
  2294. * @rmtoll BDCR BDRST LL_RCC_ForceBackupDomainReset
  2295. * @retval None
  2296. */
  2297. __STATIC_INLINE void LL_RCC_ForceBackupDomainReset(void)
  2298. {
  2299. SET_BIT(RCC->BDCR, RCC_BDCR_BDRST);
  2300. }
  2301. /**
  2302. * @brief Release the Backup domain reset
  2303. * @rmtoll BDCR BDRST LL_RCC_ReleaseBackupDomainReset
  2304. * @retval None
  2305. */
  2306. __STATIC_INLINE void LL_RCC_ReleaseBackupDomainReset(void)
  2307. {
  2308. CLEAR_BIT(RCC->BDCR, RCC_BDCR_BDRST);
  2309. }
  2310. /**
  2311. * @}
  2312. */
  2313. /** @defgroup RCC_LL_EF_PLL PLL
  2314. * @{
  2315. */
  2316. /**
  2317. * @brief Enable PLL
  2318. * @rmtoll CR PLLON LL_RCC_PLL_Enable
  2319. * @retval None
  2320. */
  2321. __STATIC_INLINE void LL_RCC_PLL_Enable(void)
  2322. {
  2323. SET_BIT(RCC->CR, RCC_CR_PLLON);
  2324. }
  2325. /**
  2326. * @brief Disable PLL
  2327. * @note Cannot be disabled if the PLL clock is used as the system clock
  2328. * @rmtoll CR PLLON LL_RCC_PLL_Disable
  2329. * @retval None
  2330. */
  2331. __STATIC_INLINE void LL_RCC_PLL_Disable(void)
  2332. {
  2333. CLEAR_BIT(RCC->CR, RCC_CR_PLLON);
  2334. }
  2335. /**
  2336. * @brief Check if PLL Ready
  2337. * @rmtoll CR PLLRDY LL_RCC_PLL_IsReady
  2338. * @retval State of bit (1 or 0).
  2339. */
  2340. __STATIC_INLINE uint32_t LL_RCC_PLL_IsReady(void)
  2341. {
  2342. return ((READ_BIT(RCC->CR, RCC_CR_PLLRDY) == (RCC_CR_PLLRDY)) ? 1UL : 0UL);
  2343. }
  2344. /**
  2345. * @brief Configure PLL used for SYSCLK Domain
  2346. * @note PLL Source and PLLM Divider can be written only when PLL is disabled
  2347. * @note PLLN/PLLR can be written only when PLL is disabled
  2348. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLL_ConfigDomain_SYS\n
  2349. * PLLCFGR PLLM LL_RCC_PLL_ConfigDomain_SYS\n
  2350. * PLLCFGR PLLN LL_RCC_PLL_ConfigDomain_SYS\n
  2351. * PLLCFGR PLLR LL_RCC_PLL_ConfigDomain_SYS
  2352. * @param Source This parameter can be one of the following values:
  2353. * @arg @ref LL_RCC_PLLSOURCE_NONE
  2354. * @arg @ref LL_RCC_PLLSOURCE_HSI
  2355. * @arg @ref LL_RCC_PLLSOURCE_HSE
  2356. * @param PLLM This parameter can be one of the following values:
  2357. * @arg @ref LL_RCC_PLLM_DIV_1
  2358. * @arg @ref LL_RCC_PLLM_DIV_2
  2359. * @arg @ref LL_RCC_PLLM_DIV_3
  2360. * @arg @ref LL_RCC_PLLM_DIV_4
  2361. * @arg @ref LL_RCC_PLLM_DIV_5
  2362. * @arg @ref LL_RCC_PLLM_DIV_6
  2363. * @arg @ref LL_RCC_PLLM_DIV_7
  2364. * @arg @ref LL_RCC_PLLM_DIV_8
  2365. * @param PLLN Between 8 and 86
  2366. * @param PLLR This parameter can be one of the following values:
  2367. * @arg @ref LL_RCC_PLLR_DIV_2
  2368. * @arg @ref LL_RCC_PLLR_DIV_3
  2369. * @arg @ref LL_RCC_PLLR_DIV_4
  2370. * @arg @ref LL_RCC_PLLR_DIV_5
  2371. * @arg @ref LL_RCC_PLLR_DIV_6
  2372. * @arg @ref LL_RCC_PLLR_DIV_7
  2373. * @arg @ref LL_RCC_PLLR_DIV_8
  2374. * @retval None
  2375. */
  2376. __STATIC_INLINE void LL_RCC_PLL_ConfigDomain_SYS(uint32_t Source, uint32_t PLLM, uint32_t PLLN, uint32_t PLLR)
  2377. {
  2378. MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC | RCC_PLLCFGR_PLLM | RCC_PLLCFGR_PLLN | RCC_PLLCFGR_PLLR,
  2379. Source | PLLM | (PLLN << RCC_PLLCFGR_PLLN_Pos) | PLLR);
  2380. }
  2381. /**
  2382. * @brief Configure PLL used for ADC domain clock
  2383. * @note PLL Source and PLLM Divider can be written only when PLL is disabled
  2384. * @note PLLN/PLLP can be written only when PLL is disabled
  2385. * @note User shall verify whether the PLL configuration is not done through
  2386. * other functions (ex: I2S1)
  2387. * @note This can be selected for ADC
  2388. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLL_ConfigDomain_ADC\n
  2389. * PLLCFGR PLLM LL_RCC_PLL_ConfigDomain_ADC\n
  2390. * PLLCFGR PLLN LL_RCC_PLL_ConfigDomain_ADC\n
  2391. * PLLCFGR PLLP LL_RCC_PLL_ConfigDomain_ADC
  2392. * @param Source This parameter can be one of the following values:
  2393. * @arg @ref LL_RCC_PLLSOURCE_NONE
  2394. * @arg @ref LL_RCC_PLLSOURCE_HSI
  2395. * @arg @ref LL_RCC_PLLSOURCE_HSE
  2396. * @param PLLM This parameter can be one of the following values:
  2397. * @arg @ref LL_RCC_PLLM_DIV_1
  2398. * @arg @ref LL_RCC_PLLM_DIV_2
  2399. * @arg @ref LL_RCC_PLLM_DIV_3
  2400. * @arg @ref LL_RCC_PLLM_DIV_4
  2401. * @arg @ref LL_RCC_PLLM_DIV_5
  2402. * @arg @ref LL_RCC_PLLM_DIV_6
  2403. * @arg @ref LL_RCC_PLLM_DIV_7
  2404. * @arg @ref LL_RCC_PLLM_DIV_8
  2405. * @param PLLN Between 8 and 86
  2406. * @param PLLP This parameter can be one of the following values:
  2407. * @arg @ref LL_RCC_PLLP_DIV_2
  2408. * @arg @ref LL_RCC_PLLP_DIV_3
  2409. * @arg @ref LL_RCC_PLLP_DIV_4
  2410. * @arg @ref LL_RCC_PLLP_DIV_5
  2411. * @arg @ref LL_RCC_PLLP_DIV_6
  2412. * @arg @ref LL_RCC_PLLP_DIV_7
  2413. * @arg @ref LL_RCC_PLLP_DIV_8
  2414. * @arg @ref LL_RCC_PLLP_DIV_9
  2415. * @arg @ref LL_RCC_PLLP_DIV_10
  2416. * @arg @ref LL_RCC_PLLP_DIV_11
  2417. * @arg @ref LL_RCC_PLLP_DIV_12
  2418. * @arg @ref LL_RCC_PLLP_DIV_13
  2419. * @arg @ref LL_RCC_PLLP_DIV_14
  2420. * @arg @ref LL_RCC_PLLP_DIV_15
  2421. * @arg @ref LL_RCC_PLLP_DIV_16
  2422. * @arg @ref LL_RCC_PLLP_DIV_17
  2423. * @arg @ref LL_RCC_PLLP_DIV_18
  2424. * @arg @ref LL_RCC_PLLP_DIV_19
  2425. * @arg @ref LL_RCC_PLLP_DIV_20
  2426. * @arg @ref LL_RCC_PLLP_DIV_21
  2427. * @arg @ref LL_RCC_PLLP_DIV_22
  2428. * @arg @ref LL_RCC_PLLP_DIV_23
  2429. * @arg @ref LL_RCC_PLLP_DIV_24
  2430. * @arg @ref LL_RCC_PLLP_DIV_25
  2431. * @arg @ref LL_RCC_PLLP_DIV_26
  2432. * @arg @ref LL_RCC_PLLP_DIV_27
  2433. * @arg @ref LL_RCC_PLLP_DIV_28
  2434. * @arg @ref LL_RCC_PLLP_DIV_29
  2435. * @arg @ref LL_RCC_PLLP_DIV_30
  2436. * @arg @ref LL_RCC_PLLP_DIV_31
  2437. * @arg @ref LL_RCC_PLLP_DIV_32
  2438. * @retval None
  2439. */
  2440. __STATIC_INLINE void LL_RCC_PLL_ConfigDomain_ADC(uint32_t Source, uint32_t PLLM, uint32_t PLLN, uint32_t PLLP)
  2441. {
  2442. MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC | RCC_PLLCFGR_PLLM | RCC_PLLCFGR_PLLN | RCC_PLLCFGR_PLLP,
  2443. Source | PLLM | (PLLN << RCC_PLLCFGR_PLLN_Pos) | PLLP);
  2444. }
  2445. /**
  2446. * @brief Configure PLL used for I2S1 domain clock
  2447. * @note PLL Source and PLLM Divider can be written only when PLL is disabled
  2448. * @note PLLN/PLLP can be written only when PLL is disabled
  2449. * @note User shall verify whether the PLL configuration is not done through
  2450. * other functions (ex: ADC)
  2451. * @note This can be selected for I2S1
  2452. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLL_ConfigDomain_I2S1\n
  2453. * PLLCFGR PLLM LL_RCC_PLL_ConfigDomain_I2S1\n
  2454. * PLLCFGR PLLN LL_RCC_PLL_ConfigDomain_I2S1\n
  2455. * PLLCFGR PLLP LL_RCC_PLL_ConfigDomain_I2S1
  2456. * @param Source This parameter can be one of the following values:
  2457. * @arg @ref LL_RCC_PLLSOURCE_NONE
  2458. * @arg @ref LL_RCC_PLLSOURCE_HSI
  2459. * @arg @ref LL_RCC_PLLSOURCE_HSE
  2460. * @param PLLM This parameter can be one of the following values:
  2461. * @arg @ref LL_RCC_PLLM_DIV_1
  2462. * @arg @ref LL_RCC_PLLM_DIV_2
  2463. * @arg @ref LL_RCC_PLLM_DIV_3
  2464. * @arg @ref LL_RCC_PLLM_DIV_4
  2465. * @arg @ref LL_RCC_PLLM_DIV_5
  2466. * @arg @ref LL_RCC_PLLM_DIV_6
  2467. * @arg @ref LL_RCC_PLLM_DIV_7
  2468. * @arg @ref LL_RCC_PLLM_DIV_8
  2469. * @param PLLN Between 8 and 86
  2470. * @param PLLP This parameter can be one of the following values:
  2471. * @arg @ref LL_RCC_PLLP_DIV_2
  2472. * @arg @ref LL_RCC_PLLP_DIV_3
  2473. * @arg @ref LL_RCC_PLLP_DIV_4
  2474. * @arg @ref LL_RCC_PLLP_DIV_5
  2475. * @arg @ref LL_RCC_PLLP_DIV_6
  2476. * @arg @ref LL_RCC_PLLP_DIV_7
  2477. * @arg @ref LL_RCC_PLLP_DIV_8
  2478. * @arg @ref LL_RCC_PLLP_DIV_9
  2479. * @arg @ref LL_RCC_PLLP_DIV_10
  2480. * @arg @ref LL_RCC_PLLP_DIV_11
  2481. * @arg @ref LL_RCC_PLLP_DIV_12
  2482. * @arg @ref LL_RCC_PLLP_DIV_13
  2483. * @arg @ref LL_RCC_PLLP_DIV_14
  2484. * @arg @ref LL_RCC_PLLP_DIV_15
  2485. * @arg @ref LL_RCC_PLLP_DIV_16
  2486. * @arg @ref LL_RCC_PLLP_DIV_17
  2487. * @arg @ref LL_RCC_PLLP_DIV_18
  2488. * @arg @ref LL_RCC_PLLP_DIV_19
  2489. * @arg @ref LL_RCC_PLLP_DIV_20
  2490. * @arg @ref LL_RCC_PLLP_DIV_21
  2491. * @arg @ref LL_RCC_PLLP_DIV_22
  2492. * @arg @ref LL_RCC_PLLP_DIV_23
  2493. * @arg @ref LL_RCC_PLLP_DIV_24
  2494. * @arg @ref LL_RCC_PLLP_DIV_25
  2495. * @arg @ref LL_RCC_PLLP_DIV_26
  2496. * @arg @ref LL_RCC_PLLP_DIV_27
  2497. * @arg @ref LL_RCC_PLLP_DIV_28
  2498. * @arg @ref LL_RCC_PLLP_DIV_29
  2499. * @arg @ref LL_RCC_PLLP_DIV_30
  2500. * @arg @ref LL_RCC_PLLP_DIV_31
  2501. * @arg @ref LL_RCC_PLLP_DIV_32
  2502. * @retval None
  2503. */
  2504. __STATIC_INLINE void LL_RCC_PLL_ConfigDomain_I2S1(uint32_t Source, uint32_t PLLM, uint32_t PLLN, uint32_t PLLP)
  2505. {
  2506. MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC | RCC_PLLCFGR_PLLM | RCC_PLLCFGR_PLLN | RCC_PLLCFGR_PLLP,
  2507. Source | PLLM | (PLLN << RCC_PLLCFGR_PLLN_Pos) | PLLP);
  2508. }
  2509. #if defined(RCC_CCIPR2_I2S2SEL)
  2510. /**
  2511. * @brief Configure PLL used for I2S2 domain clock
  2512. * @note PLL Source and PLLM Divider can be written only when PLL is disabled
  2513. * @note PLLN/PLLP can be written only when PLL is disabled
  2514. * @note User shall verify whether the PLL configuration is not done through
  2515. * other functions (ex: ADC)
  2516. * @note This can be selected for I2S2
  2517. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLL_ConfigDomain_I2S2\n
  2518. * PLLCFGR PLLM LL_RCC_PLL_ConfigDomain_I2S2\n
  2519. * PLLCFGR PLLN LL_RCC_PLL_ConfigDomain_I2S2\n
  2520. * PLLCFGR PLLP LL_RCC_PLL_ConfigDomain_I2S2
  2521. * @param Source This parameter can be one of the following values:
  2522. * @arg @ref LL_RCC_PLLSOURCE_NONE
  2523. * @arg @ref LL_RCC_PLLSOURCE_HSI
  2524. * @arg @ref LL_RCC_PLLSOURCE_HSE
  2525. * @param PLLM This parameter can be one of the following values:
  2526. * @arg @ref LL_RCC_PLLM_DIV_1
  2527. * @arg @ref LL_RCC_PLLM_DIV_2
  2528. * @arg @ref LL_RCC_PLLM_DIV_3
  2529. * @arg @ref LL_RCC_PLLM_DIV_4
  2530. * @arg @ref LL_RCC_PLLM_DIV_5
  2531. * @arg @ref LL_RCC_PLLM_DIV_6
  2532. * @arg @ref LL_RCC_PLLM_DIV_7
  2533. * @arg @ref LL_RCC_PLLM_DIV_8
  2534. * @param PLLN Between 8 and 86
  2535. * @param PLLP This parameter can be one of the following values:
  2536. * @arg @ref LL_RCC_PLLP_DIV_2
  2537. * @arg @ref LL_RCC_PLLP_DIV_3
  2538. * @arg @ref LL_RCC_PLLP_DIV_4
  2539. * @arg @ref LL_RCC_PLLP_DIV_5
  2540. * @arg @ref LL_RCC_PLLP_DIV_6
  2541. * @arg @ref LL_RCC_PLLP_DIV_7
  2542. * @arg @ref LL_RCC_PLLP_DIV_8
  2543. * @arg @ref LL_RCC_PLLP_DIV_9
  2544. * @arg @ref LL_RCC_PLLP_DIV_10
  2545. * @arg @ref LL_RCC_PLLP_DIV_11
  2546. * @arg @ref LL_RCC_PLLP_DIV_12
  2547. * @arg @ref LL_RCC_PLLP_DIV_13
  2548. * @arg @ref LL_RCC_PLLP_DIV_14
  2549. * @arg @ref LL_RCC_PLLP_DIV_15
  2550. * @arg @ref LL_RCC_PLLP_DIV_16
  2551. * @arg @ref LL_RCC_PLLP_DIV_17
  2552. * @arg @ref LL_RCC_PLLP_DIV_18
  2553. * @arg @ref LL_RCC_PLLP_DIV_19
  2554. * @arg @ref LL_RCC_PLLP_DIV_20
  2555. * @arg @ref LL_RCC_PLLP_DIV_21
  2556. * @arg @ref LL_RCC_PLLP_DIV_22
  2557. * @arg @ref LL_RCC_PLLP_DIV_23
  2558. * @arg @ref LL_RCC_PLLP_DIV_24
  2559. * @arg @ref LL_RCC_PLLP_DIV_25
  2560. * @arg @ref LL_RCC_PLLP_DIV_26
  2561. * @arg @ref LL_RCC_PLLP_DIV_27
  2562. * @arg @ref LL_RCC_PLLP_DIV_28
  2563. * @arg @ref LL_RCC_PLLP_DIV_29
  2564. * @arg @ref LL_RCC_PLLP_DIV_30
  2565. * @arg @ref LL_RCC_PLLP_DIV_31
  2566. * @arg @ref LL_RCC_PLLP_DIV_32
  2567. * @retval None
  2568. */
  2569. __STATIC_INLINE void LL_RCC_PLL_ConfigDomain_I2S2(uint32_t Source, uint32_t PLLM, uint32_t PLLN, uint32_t PLLP)
  2570. {
  2571. MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC | RCC_PLLCFGR_PLLM | RCC_PLLCFGR_PLLN | RCC_PLLCFGR_PLLP,
  2572. Source | PLLM | (PLLN << RCC_PLLCFGR_PLLN_Pos) | PLLP);
  2573. }
  2574. #endif /* RCC_CCIPR2_I2S2SEL */
  2575. #if defined(RNG)
  2576. /**
  2577. * @brief Configure PLL used for RNG domain clock
  2578. * @note PLL Source and PLLM Divider can be written only when PLL is disabled
  2579. * @note PLLN/PLLQ can be written only when PLL is disabled
  2580. * @note User shall verify whether the PLL configuration is not done through
  2581. * other functions (ex: TIM1, TIM15)
  2582. * @note This can be selected for RNG
  2583. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLL_ConfigDomain_RNG\n
  2584. * PLLCFGR PLLM LL_RCC_PLL_ConfigDomain_RNG\n
  2585. * PLLCFGR PLLN LL_RCC_PLL_ConfigDomain_RNG\n
  2586. * PLLCFGR PLLQ LL_RCC_PLL_ConfigDomain_RNG
  2587. * @param Source This parameter can be one of the following values:
  2588. * @arg @ref LL_RCC_PLLSOURCE_NONE
  2589. * @arg @ref LL_RCC_PLLSOURCE_HSI
  2590. * @arg @ref LL_RCC_PLLSOURCE_HSE
  2591. * @param PLLM This parameter can be one of the following values:
  2592. * @arg @ref LL_RCC_PLLM_DIV_1
  2593. * @arg @ref LL_RCC_PLLM_DIV_2
  2594. * @arg @ref LL_RCC_PLLM_DIV_3
  2595. * @arg @ref LL_RCC_PLLM_DIV_4
  2596. * @arg @ref LL_RCC_PLLM_DIV_5
  2597. * @arg @ref LL_RCC_PLLM_DIV_6
  2598. * @arg @ref LL_RCC_PLLM_DIV_7
  2599. * @arg @ref LL_RCC_PLLM_DIV_8
  2600. * @param PLLN Between 8 and 86
  2601. * @param PLLQ This parameter can be one of the following values:
  2602. * @arg @ref LL_RCC_PLLQ_DIV_2
  2603. * @arg @ref LL_RCC_PLLQ_DIV_3
  2604. * @arg @ref LL_RCC_PLLQ_DIV_4
  2605. * @arg @ref LL_RCC_PLLQ_DIV_5
  2606. * @arg @ref LL_RCC_PLLQ_DIV_6
  2607. * @arg @ref LL_RCC_PLLQ_DIV_7
  2608. * @arg @ref LL_RCC_PLLQ_DIV_8
  2609. * @retval None
  2610. */
  2611. __STATIC_INLINE void LL_RCC_PLL_ConfigDomain_RNG(uint32_t Source, uint32_t PLLM, uint32_t PLLN, uint32_t PLLQ)
  2612. {
  2613. MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC | RCC_PLLCFGR_PLLM | RCC_PLLCFGR_PLLN | RCC_PLLCFGR_PLLQ,
  2614. Source | PLLM | (PLLN << RCC_PLLCFGR_PLLN_Pos) | PLLQ);
  2615. }
  2616. #endif /* RNG */
  2617. #if defined(FDCAN1) || defined(FDCAN2)
  2618. /**
  2619. * @brief Configure PLL used for FDCAN domain clock
  2620. * @note PLL Source and PLLM Divider can be written only when PLL is disabled
  2621. * @note PLLN/PLLQ can be written only when PLL is disabled
  2622. * @note User shall verify whether the PLL configuration is not done through
  2623. * other functions (ex: TIM1, TIM15)
  2624. * @note This can be selected for FDCAN
  2625. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLL_ConfigDomain_FDCAN\n
  2626. * PLLCFGR PLLM LL_RCC_PLL_ConfigDomain_FDCAN\n
  2627. * PLLCFGR PLLN LL_RCC_PLL_ConfigDomain_FDCAN\n
  2628. * PLLCFGR PLLQ LL_RCC_PLL_ConfigDomain_FDCAN
  2629. * @param Source This parameter can be one of the following values:
  2630. * @arg @ref LL_RCC_PLLSOURCE_NONE
  2631. * @arg @ref LL_RCC_PLLSOURCE_HSI
  2632. * @arg @ref LL_RCC_PLLSOURCE_HSE
  2633. * @param PLLM This parameter can be one of the following values:
  2634. * @arg @ref LL_RCC_PLLM_DIV_1
  2635. * @arg @ref LL_RCC_PLLM_DIV_2
  2636. * @arg @ref LL_RCC_PLLM_DIV_3
  2637. * @arg @ref LL_RCC_PLLM_DIV_4
  2638. * @arg @ref LL_RCC_PLLM_DIV_5
  2639. * @arg @ref LL_RCC_PLLM_DIV_6
  2640. * @arg @ref LL_RCC_PLLM_DIV_7
  2641. * @arg @ref LL_RCC_PLLM_DIV_8
  2642. * @param PLLN Between 8 and 86
  2643. * @param PLLQ This parameter can be one of the following values:
  2644. * @arg @ref LL_RCC_PLLQ_DIV_2
  2645. * @arg @ref LL_RCC_PLLQ_DIV_3
  2646. * @arg @ref LL_RCC_PLLQ_DIV_4
  2647. * @arg @ref LL_RCC_PLLQ_DIV_5
  2648. * @arg @ref LL_RCC_PLLQ_DIV_6
  2649. * @arg @ref LL_RCC_PLLQ_DIV_7
  2650. * @arg @ref LL_RCC_PLLQ_DIV_8
  2651. * @retval None
  2652. */
  2653. __STATIC_INLINE void LL_RCC_PLL_ConfigDomain_FDCAN(uint32_t Source, uint32_t PLLM, uint32_t PLLN, uint32_t PLLQ)
  2654. {
  2655. MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC | RCC_PLLCFGR_PLLM | RCC_PLLCFGR_PLLN | RCC_PLLCFGR_PLLQ,
  2656. Source | PLLM | (PLLN << RCC_PLLCFGR_PLLN_Pos) | PLLQ);
  2657. }
  2658. #endif /* FDCAN1 || FDCAN2 */
  2659. #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
  2660. /**
  2661. * @brief Configure PLL used for USB domain clock
  2662. * @note PLL Source and PLLM Divider can be written only when PLL is disabled
  2663. * @note PLLN/PLLQ can be written only when PLL is disabled
  2664. * @note User shall verify whether the PLL configuration is not done through
  2665. * other functions (ex: TIM1, TIM15)
  2666. * @note This can be selected for USB
  2667. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLL_ConfigDomain_USB\n
  2668. * PLLCFGR PLLM LL_RCC_PLL_ConfigDomain_USB\n
  2669. * PLLCFGR PLLN LL_RCC_PLL_ConfigDomain_USB\n
  2670. * PLLCFGR PLLQ LL_RCC_PLL_ConfigDomain_USB
  2671. * @param Source This parameter can be one of the following values:
  2672. * @arg @ref LL_RCC_PLLSOURCE_NONE
  2673. * @arg @ref LL_RCC_PLLSOURCE_HSI
  2674. * @arg @ref LL_RCC_PLLSOURCE_HSE
  2675. * @param PLLM This parameter can be one of the following values:
  2676. * @arg @ref LL_RCC_PLLM_DIV_1
  2677. * @arg @ref LL_RCC_PLLM_DIV_2
  2678. * @arg @ref LL_RCC_PLLM_DIV_3
  2679. * @arg @ref LL_RCC_PLLM_DIV_4
  2680. * @arg @ref LL_RCC_PLLM_DIV_5
  2681. * @arg @ref LL_RCC_PLLM_DIV_6
  2682. * @arg @ref LL_RCC_PLLM_DIV_7
  2683. * @arg @ref LL_RCC_PLLM_DIV_8
  2684. * @param PLLN Between 8 and 86
  2685. * @param PLLQ This parameter can be one of the following values:
  2686. * @arg @ref LL_RCC_PLLQ_DIV_2
  2687. * @arg @ref LL_RCC_PLLQ_DIV_3
  2688. * @arg @ref LL_RCC_PLLQ_DIV_4
  2689. * @arg @ref LL_RCC_PLLQ_DIV_5
  2690. * @arg @ref LL_RCC_PLLQ_DIV_6
  2691. * @arg @ref LL_RCC_PLLQ_DIV_7
  2692. * @arg @ref LL_RCC_PLLQ_DIV_8
  2693. * @retval None
  2694. */
  2695. __STATIC_INLINE void LL_RCC_PLL_ConfigDomain_USB(uint32_t Source, uint32_t PLLM, uint32_t PLLN, uint32_t PLLQ)
  2696. {
  2697. MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC | RCC_PLLCFGR_PLLM | RCC_PLLCFGR_PLLN | RCC_PLLCFGR_PLLQ,
  2698. Source | PLLM | (PLLN << RCC_PLLCFGR_PLLN_Pos) | PLLQ);
  2699. }
  2700. #endif /* STM32G0C1xx || STM32G0B1xx || STM32G0B0xx */
  2701. #if defined(RCC_PLLQ_SUPPORT)
  2702. /**
  2703. * @brief Configure PLL used for TIM1 domain clock
  2704. * @note PLL Source and PLLM Divider can be written only when PLL is disabled
  2705. * @note PLLN/PLLQ can be written only when PLL is disabled
  2706. * @note User shall verify whether the PLL configuration is not done through
  2707. * other functions (ex: RNG, TIM15)
  2708. * @note This can be selected for TIM1
  2709. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLL_ConfigDomain_TIM1\n
  2710. * PLLCFGR PLLM LL_RCC_PLL_ConfigDomain_TIM1\n
  2711. * PLLCFGR PLLN LL_RCC_PLL_ConfigDomain_TIM1\n
  2712. * PLLCFGR PLLQ LL_RCC_PLL_ConfigDomain_TIM1
  2713. * @param Source This parameter can be one of the following values:
  2714. * @arg @ref LL_RCC_PLLSOURCE_NONE
  2715. * @arg @ref LL_RCC_PLLSOURCE_HSI
  2716. * @arg @ref LL_RCC_PLLSOURCE_HSE
  2717. * @param PLLM This parameter can be one of the following values:
  2718. * @arg @ref LL_RCC_PLLM_DIV_1
  2719. * @arg @ref LL_RCC_PLLM_DIV_2
  2720. * @arg @ref LL_RCC_PLLM_DIV_3
  2721. * @arg @ref LL_RCC_PLLM_DIV_4
  2722. * @arg @ref LL_RCC_PLLM_DIV_5
  2723. * @arg @ref LL_RCC_PLLM_DIV_6
  2724. * @arg @ref LL_RCC_PLLM_DIV_7
  2725. * @arg @ref LL_RCC_PLLM_DIV_8
  2726. * @param PLLN Between 8 and 86
  2727. * @param PLLQ This parameter can be one of the following values:
  2728. * @arg @ref LL_RCC_PLLQ_DIV_2
  2729. * @arg @ref LL_RCC_PLLQ_DIV_3
  2730. * @arg @ref LL_RCC_PLLQ_DIV_4
  2731. * @arg @ref LL_RCC_PLLQ_DIV_5
  2732. * @arg @ref LL_RCC_PLLQ_DIV_6
  2733. * @arg @ref LL_RCC_PLLQ_DIV_7
  2734. * @arg @ref LL_RCC_PLLQ_DIV_8
  2735. * @retval None
  2736. */
  2737. __STATIC_INLINE void LL_RCC_PLL_ConfigDomain_TIM1(uint32_t Source, uint32_t PLLM, uint32_t PLLN, uint32_t PLLQ)
  2738. {
  2739. MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC | RCC_PLLCFGR_PLLM | RCC_PLLCFGR_PLLN | RCC_PLLCFGR_PLLQ,
  2740. Source | PLLM | (PLLN << RCC_PLLCFGR_PLLN_Pos) | PLLQ);
  2741. }
  2742. #endif /* RCC_PLLQ_SUPPORT */
  2743. #if defined(RCC_PLLQ_SUPPORT) && defined(TIM15)
  2744. /**
  2745. * @brief Configure PLL used for TIM15 domain clock
  2746. * @note PLL Source and PLLM Divider can be written only when PLL is disabled
  2747. * @note PLLN/PLLQ can be written only when PLL is disabled
  2748. * @note User shall verify whether the PLL configuration is not done through
  2749. * other functions (ex: RNG, TIM1)
  2750. * @note This can be selected for TIM15
  2751. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLL_ConfigDomain_TIM15\n
  2752. * PLLCFGR PLLM LL_RCC_PLL_ConfigDomain_TIM15\n
  2753. * PLLCFGR PLLN LL_RCC_PLL_ConfigDomain_TIM15\n
  2754. * PLLCFGR PLLQ LL_RCC_PLL_ConfigDomain_TIM15
  2755. * @param Source This parameter can be one of the following values:
  2756. * @arg @ref LL_RCC_PLLSOURCE_NONE
  2757. * @arg @ref LL_RCC_PLLSOURCE_HSI
  2758. * @arg @ref LL_RCC_PLLSOURCE_HSE
  2759. * @param PLLM This parameter can be one of the following values:
  2760. * @arg @ref LL_RCC_PLLM_DIV_1
  2761. * @arg @ref LL_RCC_PLLM_DIV_2
  2762. * @arg @ref LL_RCC_PLLM_DIV_3
  2763. * @arg @ref LL_RCC_PLLM_DIV_4
  2764. * @arg @ref LL_RCC_PLLM_DIV_5
  2765. * @arg @ref LL_RCC_PLLM_DIV_6
  2766. * @arg @ref LL_RCC_PLLM_DIV_7
  2767. * @arg @ref LL_RCC_PLLM_DIV_8
  2768. * @param PLLN Between 8 and 86
  2769. * @param PLLQ This parameter can be one of the following values:
  2770. * @arg @ref LL_RCC_PLLQ_DIV_2
  2771. * @arg @ref LL_RCC_PLLQ_DIV_3
  2772. * @arg @ref LL_RCC_PLLQ_DIV_4
  2773. * @arg @ref LL_RCC_PLLQ_DIV_5
  2774. * @arg @ref LL_RCC_PLLQ_DIV_6
  2775. * @arg @ref LL_RCC_PLLQ_DIV_7
  2776. * @arg @ref LL_RCC_PLLQ_DIV_8
  2777. * @retval None
  2778. */
  2779. __STATIC_INLINE void LL_RCC_PLL_ConfigDomain_TIM15(uint32_t Source, uint32_t PLLM, uint32_t PLLN, uint32_t PLLQ)
  2780. {
  2781. MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC | RCC_PLLCFGR_PLLM | RCC_PLLCFGR_PLLN | RCC_PLLCFGR_PLLQ,
  2782. Source | PLLM | (PLLN << RCC_PLLCFGR_PLLN_Pos) | PLLQ);
  2783. }
  2784. #endif /* RCC_PLLQ_SUPPORT && TIM15 */
  2785. /**
  2786. * @brief Get Main PLL multiplication factor for VCO
  2787. * @rmtoll PLLCFGR PLLN LL_RCC_PLL_GetN
  2788. * @retval Between 8 and 86
  2789. */
  2790. __STATIC_INLINE uint32_t LL_RCC_PLL_GetN(void)
  2791. {
  2792. return (uint32_t)(READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLN) >> RCC_PLLCFGR_PLLN_Pos);
  2793. }
  2794. /**
  2795. * @brief Get Main PLL division factor for PLLP
  2796. * @note used for PLLPCLK (ADC & I2S clock)
  2797. * @rmtoll PLLCFGR PLLP LL_RCC_PLL_GetP
  2798. * @retval Returned value can be one of the following values:
  2799. * @arg @ref LL_RCC_PLLP_DIV_2
  2800. * @arg @ref LL_RCC_PLLP_DIV_3
  2801. * @arg @ref LL_RCC_PLLP_DIV_4
  2802. * @arg @ref LL_RCC_PLLP_DIV_5
  2803. * @arg @ref LL_RCC_PLLP_DIV_6
  2804. * @arg @ref LL_RCC_PLLP_DIV_7
  2805. * @arg @ref LL_RCC_PLLP_DIV_8
  2806. * @arg @ref LL_RCC_PLLP_DIV_9
  2807. * @arg @ref LL_RCC_PLLP_DIV_10
  2808. * @arg @ref LL_RCC_PLLP_DIV_11
  2809. * @arg @ref LL_RCC_PLLP_DIV_12
  2810. * @arg @ref LL_RCC_PLLP_DIV_13
  2811. * @arg @ref LL_RCC_PLLP_DIV_14
  2812. * @arg @ref LL_RCC_PLLP_DIV_15
  2813. * @arg @ref LL_RCC_PLLP_DIV_16
  2814. * @arg @ref LL_RCC_PLLP_DIV_17
  2815. * @arg @ref LL_RCC_PLLP_DIV_18
  2816. * @arg @ref LL_RCC_PLLP_DIV_19
  2817. * @arg @ref LL_RCC_PLLP_DIV_20
  2818. * @arg @ref LL_RCC_PLLP_DIV_21
  2819. * @arg @ref LL_RCC_PLLP_DIV_22
  2820. * @arg @ref LL_RCC_PLLP_DIV_23
  2821. * @arg @ref LL_RCC_PLLP_DIV_24
  2822. * @arg @ref LL_RCC_PLLP_DIV_25
  2823. * @arg @ref LL_RCC_PLLP_DIV_26
  2824. * @arg @ref LL_RCC_PLLP_DIV_27
  2825. * @arg @ref LL_RCC_PLLP_DIV_28
  2826. * @arg @ref LL_RCC_PLLP_DIV_29
  2827. * @arg @ref LL_RCC_PLLP_DIV_30
  2828. * @arg @ref LL_RCC_PLLP_DIV_31
  2829. * @arg @ref LL_RCC_PLLP_DIV_32
  2830. */
  2831. __STATIC_INLINE uint32_t LL_RCC_PLL_GetP(void)
  2832. {
  2833. return (uint32_t)(READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLP));
  2834. }
  2835. #if defined(RCC_PLLQ_SUPPORT)
  2836. /**
  2837. * @brief Get Main PLL division factor for PLLQ
  2838. * @note used for PLLQCLK selected for RNG, TIM1, TIM15 clock
  2839. * @rmtoll PLLCFGR PLLQ LL_RCC_PLL_GetQ
  2840. * @retval Returned value can be one of the following values:
  2841. * @arg @ref LL_RCC_PLLQ_DIV_2
  2842. * @arg @ref LL_RCC_PLLQ_DIV_3
  2843. * @arg @ref LL_RCC_PLLQ_DIV_4
  2844. * @arg @ref LL_RCC_PLLQ_DIV_5
  2845. * @arg @ref LL_RCC_PLLQ_DIV_6
  2846. * @arg @ref LL_RCC_PLLQ_DIV_7
  2847. * @arg @ref LL_RCC_PLLQ_DIV_8
  2848. */
  2849. __STATIC_INLINE uint32_t LL_RCC_PLL_GetQ(void)
  2850. {
  2851. return (uint32_t)(READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLQ));
  2852. }
  2853. #endif /* RCC_PLLQ_SUPPORT */
  2854. /**
  2855. * @brief Get Main PLL division factor for PLLR
  2856. * @note used for PLLCLK (system clock)
  2857. * @rmtoll PLLCFGR PLLR LL_RCC_PLL_GetR
  2858. * @retval Returned value can be one of the following values:
  2859. * @arg @ref LL_RCC_PLLR_DIV_2
  2860. * @arg @ref LL_RCC_PLLR_DIV_3
  2861. * @arg @ref LL_RCC_PLLR_DIV_4
  2862. * @arg @ref LL_RCC_PLLR_DIV_5
  2863. * @arg @ref LL_RCC_PLLR_DIV_6
  2864. * @arg @ref LL_RCC_PLLR_DIV_7
  2865. * @arg @ref LL_RCC_PLLR_DIV_8
  2866. */
  2867. __STATIC_INLINE uint32_t LL_RCC_PLL_GetR(void)
  2868. {
  2869. return (uint32_t)(READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLR));
  2870. }
  2871. /**
  2872. * @brief Configure PLL clock source
  2873. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLL_SetMainSource
  2874. * @param PLLSource This parameter can be one of the following values:
  2875. * @arg @ref LL_RCC_PLLSOURCE_HSI
  2876. * @arg @ref LL_RCC_PLLSOURCE_HSE
  2877. * @retval None
  2878. */
  2879. __STATIC_INLINE void LL_RCC_PLL_SetMainSource(uint32_t PLLSource)
  2880. {
  2881. MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC, PLLSource);
  2882. }
  2883. /**
  2884. * @brief Get the oscillator used as PLL clock source.
  2885. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLL_GetMainSource
  2886. * @retval Returned value can be one of the following values:
  2887. * @arg @ref LL_RCC_PLLSOURCE_NONE
  2888. * @arg @ref LL_RCC_PLLSOURCE_HSI
  2889. * @arg @ref LL_RCC_PLLSOURCE_HSE
  2890. */
  2891. __STATIC_INLINE uint32_t LL_RCC_PLL_GetMainSource(void)
  2892. {
  2893. return (uint32_t)(READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC));
  2894. }
  2895. /**
  2896. * @brief Get Division factor for the main PLL and other PLL
  2897. * @rmtoll PLLCFGR PLLM LL_RCC_PLL_GetDivider
  2898. * @retval Returned value can be one of the following values:
  2899. * @arg @ref LL_RCC_PLLM_DIV_1
  2900. * @arg @ref LL_RCC_PLLM_DIV_2
  2901. * @arg @ref LL_RCC_PLLM_DIV_3
  2902. * @arg @ref LL_RCC_PLLM_DIV_4
  2903. * @arg @ref LL_RCC_PLLM_DIV_5
  2904. * @arg @ref LL_RCC_PLLM_DIV_6
  2905. * @arg @ref LL_RCC_PLLM_DIV_7
  2906. * @arg @ref LL_RCC_PLLM_DIV_8
  2907. */
  2908. __STATIC_INLINE uint32_t LL_RCC_PLL_GetDivider(void)
  2909. {
  2910. return (uint32_t)(READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLM));
  2911. }
  2912. /**
  2913. * @brief Enable PLL output mapped on ADC domain clock
  2914. * @rmtoll PLLCFGR PLLPEN LL_RCC_PLL_EnableDomain_ADC
  2915. * @note User shall check that PLL enable is not done through
  2916. * other functions (ex: I2S1)
  2917. * @retval None
  2918. */
  2919. __STATIC_INLINE void LL_RCC_PLL_EnableDomain_ADC(void)
  2920. {
  2921. SET_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLPEN);
  2922. }
  2923. /**
  2924. * @brief Disable PLL output mapped on ADC domain clock
  2925. * @note Cannot be disabled if the PLL clock is used as the system clock
  2926. * @note User shall check that PLL is not used by any other peripheral
  2927. * (ex: I2S1)
  2928. * @note In order to save power, when the PLLCLK of the PLL is
  2929. * not used, should be 0
  2930. * @rmtoll PLLCFGR PLLPEN LL_RCC_PLL_DisableDomain_ADC
  2931. * @retval None
  2932. */
  2933. __STATIC_INLINE void LL_RCC_PLL_DisableDomain_ADC(void)
  2934. {
  2935. CLEAR_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLPEN);
  2936. }
  2937. /**
  2938. * @brief Check if PLL output mapped on ADC domain clock is enabled
  2939. * @rmtoll PLLCFGR PLLPEN LL_RCC_PLL_IsEnabledDomain_ADC
  2940. * @retval State of bit (1 or 0).
  2941. */
  2942. __STATIC_INLINE uint32_t LL_RCC_PLL_IsEnabledDomain_ADC(void)
  2943. {
  2944. return ((READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLPEN) == (RCC_PLLCFGR_PLLPEN)) ? 1UL : 0UL);
  2945. }
  2946. /**
  2947. * @brief Enable PLL output mapped on I2S domain clock
  2948. * @rmtoll PLLCFGR PLLPEN LL_RCC_PLL_EnableDomain_I2S1
  2949. * @note User shall check that PLL enable is not done through
  2950. * other functions (ex: ADC)
  2951. * @retval None
  2952. */
  2953. __STATIC_INLINE void LL_RCC_PLL_EnableDomain_I2S1(void)
  2954. {
  2955. SET_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLPEN);
  2956. }
  2957. #if defined(RCC_CCIPR2_I2S2SEL)
  2958. /**
  2959. * @brief Enable PLL output mapped on I2S2 domain clock
  2960. * @rmtoll PLLCFGR PLLPEN LL_RCC_PLL_EnableDomain_I2S2
  2961. * @note User shall check that PLL enable is not done through
  2962. * other functions (ex: ADC)
  2963. * @retval None
  2964. */
  2965. __STATIC_INLINE void LL_RCC_PLL_EnableDomain_I2S2(void)
  2966. {
  2967. SET_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLPEN);
  2968. }
  2969. #endif /* RCC_CCIPR2_I2S2SEL */
  2970. /**
  2971. * @brief Disable PLL output mapped on I2S1 domain clock
  2972. * @note Cannot be disabled if the PLL clock is used as the system clock
  2973. * @note User shall check that PLL is not used by any other peripheral
  2974. * (ex: RNG)
  2975. * @note In order to save power, when the PLLCLK of the PLL is
  2976. * not used, should be 0
  2977. * @rmtoll PLLCFGR PLLPEN LL_RCC_PLL_DisableDomain_I2S1
  2978. * @retval None
  2979. */
  2980. __STATIC_INLINE void LL_RCC_PLL_DisableDomain_I2S1(void)
  2981. {
  2982. CLEAR_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLPEN);
  2983. }
  2984. /**
  2985. * @brief Check if PLL output mapped on I2S1 domain clock is enabled
  2986. * @rmtoll PLLCFGR PLLPEN LL_RCC_PLL_IsEnabledDomain_I2S1
  2987. * @retval State of bit (1 or 0).
  2988. */
  2989. __STATIC_INLINE uint32_t LL_RCC_PLL_IsEnabledDomain_I2S1(void)
  2990. {
  2991. return ((READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLPEN) == (RCC_PLLCFGR_PLLPEN)) ? 1UL : 0UL);
  2992. }
  2993. #if defined(RCC_CCIPR2_I2S2SEL)
  2994. /**
  2995. * @brief Disable PLL output mapped on I2S2 domain clock
  2996. * @note Cannot be disabled if the PLL clock is used as the system clock
  2997. * @note User shall check that PLL is not used by any other peripheral
  2998. * (ex: RNG)
  2999. * @note In order to save power, when the PLLCLK of the PLL is
  3000. * not used, should be 0
  3001. * @rmtoll PLLCFGR PLLPEN LL_RCC_PLL_DisableDomain_I2S2
  3002. * @retval None
  3003. */
  3004. __STATIC_INLINE void LL_RCC_PLL_DisableDomain_I2S2(void)
  3005. {
  3006. CLEAR_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLPEN);
  3007. }
  3008. /**
  3009. * @brief Check if PLL output mapped on I2S2 domain clock is enabled
  3010. * @rmtoll PLLCFGR PLLPEN LL_RCC_PLL_IsEnabledDomain_I2S2
  3011. * @retval State of bit (1 or 0).
  3012. */
  3013. __STATIC_INLINE uint32_t LL_RCC_PLL_IsEnabledDomain_I2S2(void)
  3014. {
  3015. return ((READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLPEN) == (RCC_PLLCFGR_PLLPEN)) ? 1UL : 0UL);
  3016. }
  3017. #endif /* RCC_CCIPR2_I2S2SEL */
  3018. #if defined(RNG)
  3019. /**
  3020. * @brief Enable PLL output mapped on RNG domain clock
  3021. * @rmtoll PLLCFGR PLLQEN LL_RCC_PLL_EnableDomain_RNG
  3022. * @note User shall check that PLL enable is not done through
  3023. * other functions (ex: TIM1, TIM15)
  3024. * @retval None
  3025. */
  3026. __STATIC_INLINE void LL_RCC_PLL_EnableDomain_RNG(void)
  3027. {
  3028. SET_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLQEN);
  3029. }
  3030. /**
  3031. * @brief Disable PLL output mapped on RNG domain clock
  3032. * @note Cannot be disabled if the PLL clock is used as the system clock
  3033. * @note User shall check that PLL is not used by any other peripheral
  3034. * (ex: TIM, TIM15)
  3035. * @note In order to save power, when the PLLCLK of the PLL is
  3036. * not used, should be 0
  3037. * @rmtoll PLLCFGR PLLQEN LL_RCC_PLL_DisableDomain_RNG
  3038. * @retval None
  3039. */
  3040. __STATIC_INLINE void LL_RCC_PLL_DisableDomain_RNG(void)
  3041. {
  3042. CLEAR_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLQEN);
  3043. }
  3044. /**
  3045. * @brief Check if PLL output mapped on RNG domain clock is enabled
  3046. * @rmtoll PLLCFGR PLLQEN LL_RCC_PLL_IsEnabledDomain_RNG
  3047. * @retval State of bit (1 or 0).
  3048. */
  3049. __STATIC_INLINE uint32_t LL_RCC_PLL_IsEnabledDomain_RNG(void)
  3050. {
  3051. return ((READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLQEN) == (RCC_PLLCFGR_PLLQEN)) ? 1UL : 0UL);
  3052. }
  3053. #endif /* RNG */
  3054. #if defined(FDCAN1) || defined(FDCAN2)
  3055. /**
  3056. * @brief Enable PLL output mapped on FDCAN domain clock
  3057. * @rmtoll PLLCFGR PLLQEN LL_RCC_PLL_EnableDomain_FDCAN
  3058. * @note User shall check that PLL enable is not done through
  3059. * other functions (ex: TIM1, TIM15)
  3060. * @retval None
  3061. */
  3062. __STATIC_INLINE void LL_RCC_PLL_EnableDomain_FDCAN(void)
  3063. {
  3064. SET_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLQEN);
  3065. }
  3066. /**
  3067. * @brief Disable PLL output mapped on FDCAN domain clock
  3068. * @note Cannot be disabled if the PLL clock is used as the system clock
  3069. * @note User shall check that PLL is not used by any other peripheral
  3070. * (ex: TIM, TIM15)
  3071. * @note In order to save power, when the PLLCLK of the PLL is
  3072. * not used, should be 0
  3073. * @rmtoll PLLCFGR PLLQEN LL_RCC_PLL_DisableDomain_FDCAN
  3074. * @retval None
  3075. */
  3076. __STATIC_INLINE void LL_RCC_PLL_DisableDomain_FDCAN(void)
  3077. {
  3078. CLEAR_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLQEN);
  3079. }
  3080. /**
  3081. * @brief Check if PLL output mapped on FDCAN domain clock is enabled
  3082. * @rmtoll PLLCFGR PLLQEN LL_RCC_PLL_IsEnabledDomain_FDCAN
  3083. * @retval State of bit (1 or 0).
  3084. */
  3085. __STATIC_INLINE uint32_t LL_RCC_PLL_IsEnabledDomain_FDCAN(void)
  3086. {
  3087. return ((READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLQEN) == (RCC_PLLCFGR_PLLQEN)) ? 1UL : 0UL);
  3088. }
  3089. #endif /* FDCAN1 || FDCAN2 */
  3090. #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
  3091. /**
  3092. * @brief Enable PLL output mapped on USB domain clock
  3093. * @rmtoll PLLCFGR PLLQEN LL_RCC_PLL_EnableDomain_USB
  3094. * @note User shall check that PLL enable is not done through
  3095. * other functions (ex: TIM1, TIM15)
  3096. * @retval None
  3097. */
  3098. __STATIC_INLINE void LL_RCC_PLL_EnableDomain_USB(void)
  3099. {
  3100. SET_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLQEN);
  3101. }
  3102. /**
  3103. * @brief Disable PLL output mapped on USB domain clock
  3104. * @note Cannot be disabled if the PLL clock is used as the system clock
  3105. * @note User shall check that PLL is not used by any other peripheral
  3106. * (ex: TIM, TIM15)
  3107. * @note In order to save power, when the PLLCLK of the PLL is
  3108. * not used, should be 0
  3109. * @rmtoll PLLCFGR PLLQEN LL_RCC_PLL_DisableDomain_USB
  3110. * @retval None
  3111. */
  3112. __STATIC_INLINE void LL_RCC_PLL_DisableDomain_USB(void)
  3113. {
  3114. CLEAR_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLQEN);
  3115. }
  3116. /**
  3117. * @brief Check if PLL output mapped on USB domain clock is enabled
  3118. * @rmtoll PLLCFGR PLLQEN LL_RCC_PLL_IsEnabledDomain_USB
  3119. * @retval State of bit (1 or 0).
  3120. */
  3121. __STATIC_INLINE uint32_t LL_RCC_PLL_IsEnabledDomain_USB(void)
  3122. {
  3123. return ((READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLQEN) == (RCC_PLLCFGR_PLLQEN)) ? 1UL : 0UL);
  3124. }
  3125. #endif /* STM32G0C1xx || STM32G0B1xx || STM32G0B0xx */
  3126. #if defined(RCC_PLLQ_SUPPORT)
  3127. /**
  3128. * @brief Enable PLL output mapped on TIM1 domain clock
  3129. * @rmtoll PLLCFGR PLLQEN LL_RCC_PLL_EnableDomain_TIM1
  3130. * @note User shall check that PLL enable is not done through
  3131. * other functions (ex: RNG, TIM15)
  3132. * @retval None
  3133. */
  3134. __STATIC_INLINE void LL_RCC_PLL_EnableDomain_TIM1(void)
  3135. {
  3136. SET_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLQEN);
  3137. }
  3138. /**
  3139. * @brief Disable PLL output mapped on TIM1 domain clock
  3140. * @note Cannot be disabled if the PLL clock is used as the system clock
  3141. * @note User shall check that PLL is not used by any other peripheral
  3142. * (ex: RNG, TIM15)
  3143. * @note In order to save power, when the PLLCLK of the PLL is
  3144. * not used, should be 0
  3145. * @rmtoll PLLCFGR PLLQEN LL_RCC_PLL_DisableDomain_TIM1
  3146. * @retval None
  3147. */
  3148. __STATIC_INLINE void LL_RCC_PLL_DisableDomain_TIM1(void)
  3149. {
  3150. CLEAR_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLQEN);
  3151. }
  3152. /**
  3153. * @brief Check if PLL output mapped on TIM1 domain clock is enabled
  3154. * @rmtoll PLLCFGR PLLQEN LL_RCC_PLL_IsEnabledDomain_TIM1
  3155. * @retval State of bit (1 or 0).
  3156. */
  3157. __STATIC_INLINE uint32_t LL_RCC_PLL_IsEnabledDomain_TIM1(void)
  3158. {
  3159. return ((READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLQEN) == (RCC_PLLCFGR_PLLQEN)) ? 1UL : 0UL);
  3160. }
  3161. #endif /* RCC_PLLQ_SUPPORT */
  3162. #if defined(RCC_PLLQ_SUPPORT) && defined(TIM15)
  3163. /**
  3164. * @brief Enable PLL output mapped on TIM15 domain clock
  3165. * @rmtoll PLLCFGR PLLQEN LL_RCC_PLL_EnableDomain_TIM15
  3166. * @note User shall check that PLL enable is not done through
  3167. * other functions (ex: RNG, TIM1)
  3168. * @retval None
  3169. */
  3170. __STATIC_INLINE void LL_RCC_PLL_EnableDomain_TIM15(void)
  3171. {
  3172. SET_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLQEN);
  3173. }
  3174. /**
  3175. * @brief Disable PLL output mapped on TIM15 domain clock
  3176. * @note Cannot be disabled if the PLL clock is used as the system clock
  3177. * @note User shall check that PLL is not used by any other peripheral
  3178. * (ex: RNG, TIM1)
  3179. * @note In order to save power, when the PLLCLK of the PLL is
  3180. * not used, should be 0
  3181. * @rmtoll PLLCFGR PLLQEN LL_RCC_PLL_DisableDomain_TIM15
  3182. * @retval None
  3183. */
  3184. __STATIC_INLINE void LL_RCC_PLL_DisableDomain_TIM15(void)
  3185. {
  3186. CLEAR_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLQEN);
  3187. }
  3188. /**
  3189. * @brief Check if PLL output mapped on TIM15 domain clock is enabled
  3190. * @rmtoll PLLCFGR PLLQEN LL_RCC_PLL_IsEnabledDomain_TIM15
  3191. * @retval State of bit (1 or 0).
  3192. */
  3193. __STATIC_INLINE uint32_t LL_RCC_PLL_IsEnabledDomain_TIM15(void)
  3194. {
  3195. return ((READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLQEN) == (RCC_PLLCFGR_PLLQEN)) ? 1UL : 0UL);
  3196. }
  3197. #endif /* RCC_PLLQ_SUPPORT && TIM15 */
  3198. /**
  3199. * @brief Enable PLL output mapped on SYSCLK domain
  3200. * @rmtoll PLLCFGR PLLREN LL_RCC_PLL_EnableDomain_SYS
  3201. * @retval None
  3202. */
  3203. __STATIC_INLINE void LL_RCC_PLL_EnableDomain_SYS(void)
  3204. {
  3205. SET_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLREN);
  3206. }
  3207. /**
  3208. * @brief Disable PLL output mapped on SYSCLK domain
  3209. * @note Cannot be disabled if the PLL clock is used as the system clock
  3210. * @note In order to save power, when the PLLCLK of the PLL is
  3211. * not used, Main PLL should be 0
  3212. * @rmtoll PLLCFGR PLLREN LL_RCC_PLL_DisableDomain_SYS
  3213. * @retval None
  3214. */
  3215. __STATIC_INLINE void LL_RCC_PLL_DisableDomain_SYS(void)
  3216. {
  3217. CLEAR_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLREN);
  3218. }
  3219. /**
  3220. * @brief Check if PLL output mapped on SYSCLK domain clock is enabled
  3221. * @rmtoll PLLCFGR PLLREN LL_RCC_PLL_IsEnabledDomain_SYS
  3222. * @retval State of bit (1 or 0).
  3223. */
  3224. __STATIC_INLINE uint32_t LL_RCC_PLL_IsEnabledDomain_SYS(void)
  3225. {
  3226. return ((READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLREN) == (RCC_PLLCFGR_PLLREN)) ? 1UL : 0UL);
  3227. }
  3228. /**
  3229. * @}
  3230. */
  3231. /** @defgroup RCC_LL_EF_FLAG_Management FLAG Management
  3232. * @{
  3233. */
  3234. /**
  3235. * @brief Clear LSI ready interrupt flag
  3236. * @rmtoll CICR LSIRDYC LL_RCC_ClearFlag_LSIRDY
  3237. * @retval None
  3238. */
  3239. __STATIC_INLINE void LL_RCC_ClearFlag_LSIRDY(void)
  3240. {
  3241. SET_BIT(RCC->CICR, RCC_CICR_LSIRDYC);
  3242. }
  3243. /**
  3244. * @brief Clear LSE ready interrupt flag
  3245. * @rmtoll CICR LSERDYC LL_RCC_ClearFlag_LSERDY
  3246. * @retval None
  3247. */
  3248. __STATIC_INLINE void LL_RCC_ClearFlag_LSERDY(void)
  3249. {
  3250. SET_BIT(RCC->CICR, RCC_CICR_LSERDYC);
  3251. }
  3252. /**
  3253. * @brief Clear HSI ready interrupt flag
  3254. * @rmtoll CICR HSIRDYC LL_RCC_ClearFlag_HSIRDY
  3255. * @retval None
  3256. */
  3257. __STATIC_INLINE void LL_RCC_ClearFlag_HSIRDY(void)
  3258. {
  3259. SET_BIT(RCC->CICR, RCC_CICR_HSIRDYC);
  3260. }
  3261. /**
  3262. * @brief Clear HSE ready interrupt flag
  3263. * @rmtoll CICR HSERDYC LL_RCC_ClearFlag_HSERDY
  3264. * @retval None
  3265. */
  3266. __STATIC_INLINE void LL_RCC_ClearFlag_HSERDY(void)
  3267. {
  3268. SET_BIT(RCC->CICR, RCC_CICR_HSERDYC);
  3269. }
  3270. /**
  3271. * @brief Clear PLL ready interrupt flag
  3272. * @rmtoll CICR PLLRDYC LL_RCC_ClearFlag_PLLRDY
  3273. * @retval None
  3274. */
  3275. __STATIC_INLINE void LL_RCC_ClearFlag_PLLRDY(void)
  3276. {
  3277. SET_BIT(RCC->CICR, RCC_CICR_PLLRDYC);
  3278. }
  3279. #if defined(RCC_HSI48_SUPPORT)
  3280. /**
  3281. * @brief Clear HSI48 ready interrupt flag
  3282. * @rmtoll CICR HSI48RDYC LL_RCC_ClearFlag_HSI48RDY
  3283. * @retval None
  3284. */
  3285. __STATIC_INLINE void LL_RCC_ClearFlag_HSI48RDY(void)
  3286. {
  3287. SET_BIT(RCC->CICR, RCC_CICR_HSI48RDYC);
  3288. }
  3289. #endif /* RCC_HSI48_SUPPORT */
  3290. /**
  3291. * @brief Clear Clock security system interrupt flag
  3292. * @rmtoll CICR CSSC LL_RCC_ClearFlag_HSECSS
  3293. * @retval None
  3294. */
  3295. __STATIC_INLINE void LL_RCC_ClearFlag_HSECSS(void)
  3296. {
  3297. SET_BIT(RCC->CICR, RCC_CICR_CSSC);
  3298. }
  3299. /**
  3300. * @brief Clear LSE Clock security system interrupt flag
  3301. * @rmtoll CICR LSECSSC LL_RCC_ClearFlag_LSECSS
  3302. * @retval None
  3303. */
  3304. __STATIC_INLINE void LL_RCC_ClearFlag_LSECSS(void)
  3305. {
  3306. SET_BIT(RCC->CICR, RCC_CICR_LSECSSC);
  3307. }
  3308. /**
  3309. * @brief Check if LSI ready interrupt occurred or not
  3310. * @rmtoll CIFR LSIRDYF LL_RCC_IsActiveFlag_LSIRDY
  3311. * @retval State of bit (1 or 0).
  3312. */
  3313. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LSIRDY(void)
  3314. {
  3315. return ((READ_BIT(RCC->CIFR, RCC_CIFR_LSIRDYF) == (RCC_CIFR_LSIRDYF)) ? 1UL : 0UL);
  3316. }
  3317. /**
  3318. * @brief Check if LSE ready interrupt occurred or not
  3319. * @rmtoll CIFR LSERDYF LL_RCC_IsActiveFlag_LSERDY
  3320. * @retval State of bit (1 or 0).
  3321. */
  3322. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LSERDY(void)
  3323. {
  3324. return ((READ_BIT(RCC->CIFR, RCC_CIFR_LSERDYF) == (RCC_CIFR_LSERDYF)) ? 1UL : 0UL);
  3325. }
  3326. /**
  3327. * @brief Check if HSI ready interrupt occurred or not
  3328. * @rmtoll CIFR HSIRDYF LL_RCC_IsActiveFlag_HSIRDY
  3329. * @retval State of bit (1 or 0).
  3330. */
  3331. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSIRDY(void)
  3332. {
  3333. return ((READ_BIT(RCC->CIFR, RCC_CIFR_HSIRDYF) == (RCC_CIFR_HSIRDYF)) ? 1UL : 0UL);
  3334. }
  3335. /**
  3336. * @brief Check if HSE ready interrupt occurred or not
  3337. * @rmtoll CIFR HSERDYF LL_RCC_IsActiveFlag_HSERDY
  3338. * @retval State of bit (1 or 0).
  3339. */
  3340. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSERDY(void)
  3341. {
  3342. return ((READ_BIT(RCC->CIFR, RCC_CIFR_HSERDYF) == (RCC_CIFR_HSERDYF)) ? 1UL : 0UL);
  3343. }
  3344. /**
  3345. * @brief Check if PLL ready interrupt occurred or not
  3346. * @rmtoll CIFR PLLRDYF LL_RCC_IsActiveFlag_PLLRDY
  3347. * @retval State of bit (1 or 0).
  3348. */
  3349. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PLLRDY(void)
  3350. {
  3351. return ((READ_BIT(RCC->CIFR, RCC_CIFR_PLLRDYF) == (RCC_CIFR_PLLRDYF)) ? 1UL : 0UL);
  3352. }
  3353. #if defined(RCC_HSI48_SUPPORT)
  3354. /**
  3355. * @brief Check if HSI48 ready interrupt occurred or not
  3356. * @rmtoll CIR HSI48RDYF LL_RCC_IsActiveFlag_HSI48RDY
  3357. * @retval State of bit (1 or 0).
  3358. */
  3359. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSI48RDY(void)
  3360. {
  3361. return ((READ_BIT(RCC->CIFR, RCC_CIFR_HSI48RDYF) == (RCC_CIFR_HSI48RDYF)) ? 1UL : 0UL);
  3362. }
  3363. #endif /* RCC_HSI48_SUPPORT */
  3364. /**
  3365. * @brief Check if Clock security system interrupt occurred or not
  3366. * @rmtoll CIFR CSSF LL_RCC_IsActiveFlag_HSECSS
  3367. * @retval State of bit (1 or 0).
  3368. */
  3369. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSECSS(void)
  3370. {
  3371. return ((READ_BIT(RCC->CIFR, RCC_CIFR_CSSF) == (RCC_CIFR_CSSF)) ? 1UL : 0UL);
  3372. }
  3373. /**
  3374. * @brief Check if LSE Clock security system interrupt occurred or not
  3375. * @rmtoll CIFR LSECSSF LL_RCC_IsActiveFlag_LSECSS
  3376. * @retval State of bit (1 or 0).
  3377. */
  3378. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LSECSS(void)
  3379. {
  3380. return ((READ_BIT(RCC->CIFR, RCC_CIFR_LSECSSF) == (RCC_CIFR_LSECSSF)) ? 1UL : 0UL);
  3381. }
  3382. /**
  3383. * @brief Check if RCC flag Independent Watchdog reset is set or not.
  3384. * @rmtoll CSR IWDGRSTF LL_RCC_IsActiveFlag_IWDGRST
  3385. * @retval State of bit (1 or 0).
  3386. */
  3387. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_IWDGRST(void)
  3388. {
  3389. return ((READ_BIT(RCC->CSR, RCC_CSR_IWDGRSTF) == (RCC_CSR_IWDGRSTF)) ? 1UL : 0UL);
  3390. }
  3391. /**
  3392. * @brief Check if RCC flag Low Power reset is set or not.
  3393. * @rmtoll CSR LPWRRSTF LL_RCC_IsActiveFlag_LPWRRST
  3394. * @retval State of bit (1 or 0).
  3395. */
  3396. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LPWRRST(void)
  3397. {
  3398. return ((READ_BIT(RCC->CSR, RCC_CSR_LPWRRSTF) == (RCC_CSR_LPWRRSTF)) ? 1UL : 0UL);
  3399. }
  3400. /**
  3401. * @brief Check if RCC flag Option byte reset is set or not.
  3402. * @rmtoll CSR OBLRSTF LL_RCC_IsActiveFlag_OBLRST
  3403. * @retval State of bit (1 or 0).
  3404. */
  3405. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_OBLRST(void)
  3406. {
  3407. return ((READ_BIT(RCC->CSR, RCC_CSR_OBLRSTF) == (RCC_CSR_OBLRSTF)) ? 1UL : 0UL);
  3408. }
  3409. /**
  3410. * @brief Check if RCC flag Pin reset is set or not.
  3411. * @rmtoll CSR PINRSTF LL_RCC_IsActiveFlag_PINRST
  3412. * @retval State of bit (1 or 0).
  3413. */
  3414. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PINRST(void)
  3415. {
  3416. return ((READ_BIT(RCC->CSR, RCC_CSR_PINRSTF) == (RCC_CSR_PINRSTF)) ? 1UL : 0UL);
  3417. }
  3418. /**
  3419. * @brief Check if RCC flag Software reset is set or not.
  3420. * @rmtoll CSR SFTRSTF LL_RCC_IsActiveFlag_SFTRST
  3421. * @retval State of bit (1 or 0).
  3422. */
  3423. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_SFTRST(void)
  3424. {
  3425. return ((READ_BIT(RCC->CSR, RCC_CSR_SFTRSTF) == (RCC_CSR_SFTRSTF)) ? 1UL : 0UL);
  3426. }
  3427. /**
  3428. * @brief Check if RCC flag Window Watchdog reset is set or not.
  3429. * @rmtoll CSR WWDGRSTF LL_RCC_IsActiveFlag_WWDGRST
  3430. * @retval State of bit (1 or 0).
  3431. */
  3432. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_WWDGRST(void)
  3433. {
  3434. return ((READ_BIT(RCC->CSR, RCC_CSR_WWDGRSTF) == (RCC_CSR_WWDGRSTF)) ? 1UL : 0UL);
  3435. }
  3436. /**
  3437. * @brief Check if RCC flag BOR or POR/PDR reset is set or not.
  3438. * @rmtoll CSR PWRRSTF LL_RCC_IsActiveFlag_PWRRST
  3439. * @retval State of bit (1 or 0).
  3440. */
  3441. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PWRRST(void)
  3442. {
  3443. return ((READ_BIT(RCC->CSR, RCC_CSR_PWRRSTF) == (RCC_CSR_PWRRSTF)) ? 1UL : 0UL);
  3444. }
  3445. /**
  3446. * @brief Set RMVF bit to clear the reset flags.
  3447. * @rmtoll CSR RMVF LL_RCC_ClearResetFlags
  3448. * @retval None
  3449. */
  3450. __STATIC_INLINE void LL_RCC_ClearResetFlags(void)
  3451. {
  3452. SET_BIT(RCC->CSR, RCC_CSR_RMVF);
  3453. }
  3454. /**
  3455. * @}
  3456. */
  3457. /** @defgroup RCC_LL_EF_IT_Management IT Management
  3458. * @{
  3459. */
  3460. /**
  3461. * @brief Enable LSI ready interrupt
  3462. * @rmtoll CIER LSIRDYIE LL_RCC_EnableIT_LSIRDY
  3463. * @retval None
  3464. */
  3465. __STATIC_INLINE void LL_RCC_EnableIT_LSIRDY(void)
  3466. {
  3467. SET_BIT(RCC->CIER, RCC_CIER_LSIRDYIE);
  3468. }
  3469. /**
  3470. * @brief Enable LSE ready interrupt
  3471. * @rmtoll CIER LSERDYIE LL_RCC_EnableIT_LSERDY
  3472. * @retval None
  3473. */
  3474. __STATIC_INLINE void LL_RCC_EnableIT_LSERDY(void)
  3475. {
  3476. SET_BIT(RCC->CIER, RCC_CIER_LSERDYIE);
  3477. }
  3478. /**
  3479. * @brief Enable HSI ready interrupt
  3480. * @rmtoll CIER HSIRDYIE LL_RCC_EnableIT_HSIRDY
  3481. * @retval None
  3482. */
  3483. __STATIC_INLINE void LL_RCC_EnableIT_HSIRDY(void)
  3484. {
  3485. SET_BIT(RCC->CIER, RCC_CIER_HSIRDYIE);
  3486. }
  3487. /**
  3488. * @brief Enable HSE ready interrupt
  3489. * @rmtoll CIER HSERDYIE LL_RCC_EnableIT_HSERDY
  3490. * @retval None
  3491. */
  3492. __STATIC_INLINE void LL_RCC_EnableIT_HSERDY(void)
  3493. {
  3494. SET_BIT(RCC->CIER, RCC_CIER_HSERDYIE);
  3495. }
  3496. /**
  3497. * @brief Enable PLL ready interrupt
  3498. * @rmtoll CIER PLLRDYIE LL_RCC_EnableIT_PLLRDY
  3499. * @retval None
  3500. */
  3501. __STATIC_INLINE void LL_RCC_EnableIT_PLLRDY(void)
  3502. {
  3503. SET_BIT(RCC->CIER, RCC_CIER_PLLRDYIE);
  3504. }
  3505. #if defined(RCC_HSI48_SUPPORT)
  3506. /**
  3507. * @brief Enable HSI48 ready interrupt
  3508. * @rmtoll CIER HSI48RDYIE LL_RCC_EnableIT_HSI48RDY
  3509. * @retval None
  3510. */
  3511. __STATIC_INLINE void LL_RCC_EnableIT_HSI48RDY(void)
  3512. {
  3513. SET_BIT(RCC->CIER, RCC_CIER_HSI48RDYIE);
  3514. }
  3515. #endif /* RCC_HSI48_SUPPORT */
  3516. /**
  3517. * @brief Disable LSI ready interrupt
  3518. * @rmtoll CIER LSIRDYIE LL_RCC_DisableIT_LSIRDY
  3519. * @retval None
  3520. */
  3521. __STATIC_INLINE void LL_RCC_DisableIT_LSIRDY(void)
  3522. {
  3523. CLEAR_BIT(RCC->CIER, RCC_CIER_LSIRDYIE);
  3524. }
  3525. /**
  3526. * @brief Disable LSE ready interrupt
  3527. * @rmtoll CIER LSERDYIE LL_RCC_DisableIT_LSERDY
  3528. * @retval None
  3529. */
  3530. __STATIC_INLINE void LL_RCC_DisableIT_LSERDY(void)
  3531. {
  3532. CLEAR_BIT(RCC->CIER, RCC_CIER_LSERDYIE);
  3533. }
  3534. /**
  3535. * @brief Disable HSI ready interrupt
  3536. * @rmtoll CIER HSIRDYIE LL_RCC_DisableIT_HSIRDY
  3537. * @retval None
  3538. */
  3539. __STATIC_INLINE void LL_RCC_DisableIT_HSIRDY(void)
  3540. {
  3541. CLEAR_BIT(RCC->CIER, RCC_CIER_HSIRDYIE);
  3542. }
  3543. /**
  3544. * @brief Disable HSE ready interrupt
  3545. * @rmtoll CIER HSERDYIE LL_RCC_DisableIT_HSERDY
  3546. * @retval None
  3547. */
  3548. __STATIC_INLINE void LL_RCC_DisableIT_HSERDY(void)
  3549. {
  3550. CLEAR_BIT(RCC->CIER, RCC_CIER_HSERDYIE);
  3551. }
  3552. /**
  3553. * @brief Disable PLL ready interrupt
  3554. * @rmtoll CIER PLLRDYIE LL_RCC_DisableIT_PLLRDY
  3555. * @retval None
  3556. */
  3557. __STATIC_INLINE void LL_RCC_DisableIT_PLLRDY(void)
  3558. {
  3559. CLEAR_BIT(RCC->CIER, RCC_CIER_PLLRDYIE);
  3560. }
  3561. #if defined(RCC_HSI48_SUPPORT)
  3562. /**
  3563. * @brief Disable HSI48 ready interrupt
  3564. * @rmtoll CIER HSI48RDYIE LL_RCC_DisableIT_HSI48RDY
  3565. * @retval None
  3566. */
  3567. __STATIC_INLINE void LL_RCC_DisableIT_HSI48RDY(void)
  3568. {
  3569. CLEAR_BIT(RCC->CIER, RCC_CIER_HSI48RDYIE);
  3570. }
  3571. #endif /* RCC_HSI48_SUPPORT */
  3572. /**
  3573. * @brief Checks if LSI ready interrupt source is enabled or disabled.
  3574. * @rmtoll CIER LSIRDYIE LL_RCC_IsEnabledIT_LSIRDY
  3575. * @retval State of bit (1 or 0).
  3576. */
  3577. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_LSIRDY(void)
  3578. {
  3579. return ((READ_BIT(RCC->CIER, RCC_CIER_LSIRDYIE) == (RCC_CIER_LSIRDYIE)) ? 1UL : 0UL);
  3580. }
  3581. /**
  3582. * @brief Checks if LSE ready interrupt source is enabled or disabled.
  3583. * @rmtoll CIER LSERDYIE LL_RCC_IsEnabledIT_LSERDY
  3584. * @retval State of bit (1 or 0).
  3585. */
  3586. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_LSERDY(void)
  3587. {
  3588. return ((READ_BIT(RCC->CIER, RCC_CIER_LSERDYIE) == (RCC_CIER_LSERDYIE)) ? 1UL : 0UL);
  3589. }
  3590. /**
  3591. * @brief Checks if HSI ready interrupt source is enabled or disabled.
  3592. * @rmtoll CIER HSIRDYIE LL_RCC_IsEnabledIT_HSIRDY
  3593. * @retval State of bit (1 or 0).
  3594. */
  3595. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSIRDY(void)
  3596. {
  3597. return ((READ_BIT(RCC->CIER, RCC_CIER_HSIRDYIE) == (RCC_CIER_HSIRDYIE)) ? 1UL : 0UL);
  3598. }
  3599. #if defined(RCC_HSI48_SUPPORT)
  3600. /**
  3601. * @brief Checks if HSI48 ready interrupt source is enabled or disabled.
  3602. * @rmtoll CIER HSI48RDYIE LL_RCC_IsEnabledIT_HSI48RDY
  3603. * @retval State of bit (1 or 0).
  3604. */
  3605. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSI48RDY(void)
  3606. {
  3607. return ((READ_BIT(RCC->CIER, RCC_CIER_HSI48RDYIE) == (RCC_CIER_HSI48RDYIE)) ? 1UL : 0UL);
  3608. }
  3609. #endif /* RCC_HSI48_SUPPORT */
  3610. /**
  3611. * @brief Checks if HSE ready interrupt source is enabled or disabled.
  3612. * @rmtoll CIER HSERDYIE LL_RCC_IsEnabledIT_HSERDY
  3613. * @retval State of bit (1 or 0).
  3614. */
  3615. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSERDY(void)
  3616. {
  3617. return ((READ_BIT(RCC->CIER, RCC_CIER_HSERDYIE) == (RCC_CIER_HSERDYIE)) ? 1UL : 0UL);
  3618. }
  3619. /**
  3620. * @brief Checks if PLL ready interrupt source is enabled or disabled.
  3621. * @rmtoll CIER PLLRDYIE LL_RCC_IsEnabledIT_PLLRDY
  3622. * @retval State of bit (1 or 0).
  3623. */
  3624. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_PLLRDY(void)
  3625. {
  3626. return ((READ_BIT(RCC->CIER, RCC_CIER_PLLRDYIE) == (RCC_CIER_PLLRDYIE)) ? 1UL : 0UL);
  3627. }
  3628. /**
  3629. * @}
  3630. */
  3631. #if defined(USE_FULL_LL_DRIVER)
  3632. /** @defgroup RCC_LL_EF_Init De-initialization function
  3633. * @{
  3634. */
  3635. ErrorStatus LL_RCC_DeInit(void);
  3636. /**
  3637. * @}
  3638. */
  3639. /** @defgroup RCC_LL_EF_Get_Freq Get system and peripherals clocks frequency functions
  3640. * @{
  3641. */
  3642. void LL_RCC_GetSystemClocksFreq(LL_RCC_ClocksTypeDef *RCC_Clocks);
  3643. uint32_t LL_RCC_GetUSARTClockFreq(uint32_t USARTxSource);
  3644. uint32_t LL_RCC_GetI2CClockFreq(uint32_t I2CxSource);
  3645. #if defined(LPUART1) || defined(LPUART2)
  3646. uint32_t LL_RCC_GetLPUARTClockFreq(uint32_t LPUARTxSource);
  3647. #endif /* LPUART1 */
  3648. #if defined(LPTIM1) && defined(LPTIM2)
  3649. uint32_t LL_RCC_GetLPTIMClockFreq(uint32_t LPTIMxSource);
  3650. #endif /* LPTIM1 && LPTIM2 */
  3651. #if defined(RNG)
  3652. uint32_t LL_RCC_GetRNGClockFreq(uint32_t RNGxSource);
  3653. #endif /* RNG */
  3654. uint32_t LL_RCC_GetADCClockFreq(uint32_t ADCxSource);
  3655. uint32_t LL_RCC_GetI2SClockFreq(uint32_t I2SxSource);
  3656. #if defined(CEC)
  3657. uint32_t LL_RCC_GetCECClockFreq(uint32_t CECxSource);
  3658. #endif /* CEC */
  3659. #if defined(FDCAN1) || defined(FDCAN2)
  3660. uint32_t LL_RCC_GetFDCANClockFreq(uint32_t FDCANxSource);
  3661. #endif /* FDCAN1 */
  3662. uint32_t LL_RCC_GetTIMClockFreq(uint32_t TIMxSource);
  3663. uint32_t LL_RCC_GetRTCClockFreq(void);
  3664. #if defined(STM32G0C1xx) || defined(STM32G0B1xx) || defined(STM32G0B0xx)
  3665. uint32_t LL_RCC_GetUSBClockFreq(uint32_t USBxSource);
  3666. #endif /* STM32G0C1xx || STM32G0B1xx || STM32G0B0xx */
  3667. /**
  3668. * @}
  3669. */
  3670. #endif /* USE_FULL_LL_DRIVER */
  3671. /**
  3672. * @}
  3673. */
  3674. /**
  3675. * @}
  3676. */
  3677. #endif /* RCC */
  3678. /**
  3679. * @}
  3680. */
  3681. #ifdef __cplusplus
  3682. }
  3683. #endif
  3684. #endif /* STM32G0xx_LL_RCC_H */