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  1. /**
  2. ******************************************************************************
  3. * @file stm32l4xx_ll_rcc.h
  4. * @author MCD Application Team
  5. * @version V1.7.2
  6. * @date 16-June-2017
  7. * @brief Header file of RCC LL module.
  8. ******************************************************************************
  9. * @attention
  10. *
  11. * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
  12. *
  13. * Redistribution and use in source and binary forms, with or without modification,
  14. * are permitted provided that the following conditions are met:
  15. * 1. Redistributions of source code must retain the above copyright notice,
  16. * this list of conditions and the following disclaimer.
  17. * 2. Redistributions in binary form must reproduce the above copyright notice,
  18. * this list of conditions and the following disclaimer in the documentation
  19. * and/or other materials provided with the distribution.
  20. * 3. Neither the name of STMicroelectronics nor the names of its contributors
  21. * may be used to endorse or promote products derived from this software
  22. * without specific prior written permission.
  23. *
  24. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  25. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  27. * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  28. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  30. * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  31. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  32. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  33. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34. *
  35. ******************************************************************************
  36. */
  37. /* Define to prevent recursive inclusion -------------------------------------*/
  38. #ifndef __STM32L4xx_LL_RCC_H
  39. #define __STM32L4xx_LL_RCC_H
  40. #ifdef __cplusplus
  41. extern "C" {
  42. #endif
  43. /* Includes ------------------------------------------------------------------*/
  44. #include "stm32l4xx.h"
  45. /** @addtogroup STM32L4xx_LL_Driver
  46. * @{
  47. */
  48. #if defined(RCC)
  49. /** @defgroup RCC_LL RCC
  50. * @{
  51. */
  52. /* Private types -------------------------------------------------------------*/
  53. /* Private variables ---------------------------------------------------------*/
  54. /** @defgroup RCC_LL_Private_Variables RCC Private Variables
  55. * @{
  56. */
  57. /**
  58. * @}
  59. */
  60. /* Private constants ---------------------------------------------------------*/
  61. /** @defgroup RCC_LL_Private_Constants RCC Private Constants
  62. * @{
  63. */
  64. /* Defines used to perform offsets*/
  65. /* Offset used to access to RCC_CCIPR and RCC_CCIPR2 registers */
  66. #define RCC_OFFSET_CCIPR 0U
  67. #define RCC_OFFSET_CCIPR2 0x14U
  68. /**
  69. * @}
  70. */
  71. /* Private macros ------------------------------------------------------------*/
  72. #if defined(USE_FULL_LL_DRIVER)
  73. /** @defgroup RCC_LL_Private_Macros RCC Private Macros
  74. * @{
  75. */
  76. /**
  77. * @}
  78. */
  79. #endif /*USE_FULL_LL_DRIVER*/
  80. /* Exported types ------------------------------------------------------------*/
  81. #if defined(USE_FULL_LL_DRIVER)
  82. /** @defgroup RCC_LL_Exported_Types RCC Exported Types
  83. * @{
  84. */
  85. /** @defgroup LL_ES_CLOCK_FREQ Clocks Frequency Structure
  86. * @{
  87. */
  88. /**
  89. * @brief RCC Clocks Frequency Structure
  90. */
  91. typedef struct
  92. {
  93. uint32_t SYSCLK_Frequency; /*!< SYSCLK clock frequency */
  94. uint32_t HCLK_Frequency; /*!< HCLK clock frequency */
  95. uint32_t PCLK1_Frequency; /*!< PCLK1 clock frequency */
  96. uint32_t PCLK2_Frequency; /*!< PCLK2 clock frequency */
  97. } LL_RCC_ClocksTypeDef;
  98. /**
  99. * @}
  100. */
  101. /**
  102. * @}
  103. */
  104. #endif /* USE_FULL_LL_DRIVER */
  105. /* Exported constants --------------------------------------------------------*/
  106. /** @defgroup RCC_LL_Exported_Constants RCC Exported Constants
  107. * @{
  108. */
  109. /** @defgroup RCC_LL_EC_OSC_VALUES Oscillator Values adaptation
  110. * @brief Defines used to adapt values of different oscillators
  111. * @note These values could be modified in the user environment according to
  112. * HW set-up.
  113. * @{
  114. */
  115. #if !defined (HSE_VALUE)
  116. #define HSE_VALUE 8000000U /*!< Value of the HSE oscillator in Hz */
  117. #endif /* HSE_VALUE */
  118. #if !defined (HSI_VALUE)
  119. #define HSI_VALUE 16000000U /*!< Value of the HSI oscillator in Hz */
  120. #endif /* HSI_VALUE */
  121. #if !defined (LSE_VALUE)
  122. #define LSE_VALUE 32768U /*!< Value of the LSE oscillator in Hz */
  123. #endif /* LSE_VALUE */
  124. #if !defined (LSI_VALUE)
  125. #define LSI_VALUE 32000U /*!< Value of the LSI oscillator in Hz */
  126. #endif /* LSI_VALUE */
  127. #if defined(RCC_HSI48_SUPPORT)
  128. #if !defined (HSI48_VALUE)
  129. #define HSI48_VALUE 48000000U /*!< Value of the HSI48 oscillator in Hz */
  130. #endif /* HSI48_VALUE */
  131. #endif /* RCC_HSI48_SUPPORT */
  132. /**
  133. * @}
  134. */
  135. /** @defgroup RCC_LL_EC_CLEAR_FLAG Clear Flags Defines
  136. * @brief Flags defines which can be used with LL_RCC_WriteReg function
  137. * @{
  138. */
  139. #define LL_RCC_CICR_LSIRDYC RCC_CICR_LSIRDYC /*!< LSI Ready Interrupt Clear */
  140. #define LL_RCC_CICR_LSERDYC RCC_CICR_LSERDYC /*!< LSE Ready Interrupt Clear */
  141. #define LL_RCC_CICR_MSIRDYC RCC_CICR_MSIRDYC /*!< MSI Ready Interrupt Clear */
  142. #define LL_RCC_CICR_HSIRDYC RCC_CICR_HSIRDYC /*!< HSI Ready Interrupt Clear */
  143. #define LL_RCC_CICR_HSERDYC RCC_CICR_HSERDYC /*!< HSE Ready Interrupt Clear */
  144. #define LL_RCC_CICR_PLLRDYC RCC_CICR_PLLRDYC /*!< PLL Ready Interrupt Clear */
  145. #if defined(RCC_HSI48_SUPPORT)
  146. #define LL_RCC_CICR_HSI48RDYC RCC_CICR_HSI48RDYC /*!< HSI48 Ready Interrupt Clear */
  147. #endif /* RCC_HSI48_SUPPORT */
  148. #define LL_RCC_CICR_PLLSAI1RDYC RCC_CICR_PLLSAI1RDYC /*!< PLLSAI1 Ready Interrupt Clear */
  149. #if defined(RCC_PLLSAI2_SUPPORT)
  150. #define LL_RCC_CICR_PLLSAI2RDYC RCC_CICR_PLLSAI2RDYC /*!< PLLSAI2 Ready Interrupt Clear */
  151. #endif /* RCC_PLLSAI2_SUPPORT */
  152. #define LL_RCC_CICR_LSECSSC RCC_CICR_LSECSSC /*!< LSE Clock Security System Interrupt Clear */
  153. #define LL_RCC_CICR_CSSC RCC_CICR_CSSC /*!< Clock Security System Interrupt Clear */
  154. /**
  155. * @}
  156. */
  157. /** @defgroup RCC_LL_EC_GET_FLAG Get Flags Defines
  158. * @brief Flags defines which can be used with LL_RCC_ReadReg function
  159. * @{
  160. */
  161. #define LL_RCC_CIFR_LSIRDYF RCC_CIFR_LSIRDYF /*!< LSI Ready Interrupt flag */
  162. #define LL_RCC_CIFR_LSERDYF RCC_CIFR_LSERDYF /*!< LSE Ready Interrupt flag */
  163. #define LL_RCC_CIFR_MSIRDYF RCC_CIFR_MSIRDYF /*!< MSI Ready Interrupt flag */
  164. #define LL_RCC_CIFR_HSIRDYF RCC_CIFR_HSIRDYF /*!< HSI Ready Interrupt flag */
  165. #define LL_RCC_CIFR_HSERDYF RCC_CIFR_HSERDYF /*!< HSE Ready Interrupt flag */
  166. #define LL_RCC_CIFR_PLLRDYF RCC_CIFR_PLLRDYF /*!< PLL Ready Interrupt flag */
  167. #if defined(RCC_HSI48_SUPPORT)
  168. #define LL_RCC_CIFR_HSI48RDYF RCC_CIFR_HSI48RDYF /*!< HSI48 Ready Interrupt flag */
  169. #endif /* RCC_HSI48_SUPPORT */
  170. #define LL_RCC_CIFR_PLLSAI1RDYF RCC_CIFR_PLLSAI1RDYF /*!< PLLSAI1 Ready Interrupt flag */
  171. #if defined(RCC_PLLSAI2_SUPPORT)
  172. #define LL_RCC_CIFR_PLLSAI2RDYF RCC_CIFR_PLLSAI2RDYF /*!< PLLSAI2 Ready Interrupt flag */
  173. #endif /* RCC_PLLSAI2_SUPPORT */
  174. #define LL_RCC_CIFR_LSECSSF RCC_CIFR_LSECSSF /*!< LSE Clock Security System Interrupt flag */
  175. #define LL_RCC_CIFR_CSSF RCC_CIFR_CSSF /*!< Clock Security System Interrupt flag */
  176. #define LL_RCC_CSR_FWRSTF RCC_CSR_FWRSTF /*!< Firewall reset flag */
  177. #define LL_RCC_CSR_LPWRRSTF RCC_CSR_LPWRRSTF /*!< Low-Power reset flag */
  178. #define LL_RCC_CSR_OBLRSTF RCC_CSR_OBLRSTF /*!< OBL reset flag */
  179. #define LL_RCC_CSR_PINRSTF RCC_CSR_PINRSTF /*!< PIN reset flag */
  180. #define LL_RCC_CSR_SFTRSTF RCC_CSR_SFTRSTF /*!< Software Reset flag */
  181. #define LL_RCC_CSR_IWDGRSTF RCC_CSR_IWDGRSTF /*!< Independent Watchdog reset flag */
  182. #define LL_RCC_CSR_WWDGRSTF RCC_CSR_WWDGRSTF /*!< Window watchdog reset flag */
  183. #define LL_RCC_CSR_BORRSTF RCC_CSR_BORRSTF /*!< BOR reset flag */
  184. /**
  185. * @}
  186. */
  187. /** @defgroup RCC_LL_EC_IT IT Defines
  188. * @brief IT defines which can be used with LL_RCC_ReadReg and LL_RCC_WriteReg functions
  189. * @{
  190. */
  191. #define LL_RCC_CIER_LSIRDYIE RCC_CIER_LSIRDYIE /*!< LSI Ready Interrupt Enable */
  192. #define LL_RCC_CIER_LSERDYIE RCC_CIER_LSERDYIE /*!< LSE Ready Interrupt Enable */
  193. #define LL_RCC_CIER_MSIRDYIE RCC_CIER_MSIRDYIE /*!< MSI Ready Interrupt Enable */
  194. #define LL_RCC_CIER_HSIRDYIE RCC_CIER_HSIRDYIE /*!< HSI Ready Interrupt Enable */
  195. #define LL_RCC_CIER_HSERDYIE RCC_CIER_HSERDYIE /*!< HSE Ready Interrupt Enable */
  196. #define LL_RCC_CIER_PLLRDYIE RCC_CIER_PLLRDYIE /*!< PLL Ready Interrupt Enable */
  197. #if defined(RCC_HSI48_SUPPORT)
  198. #define LL_RCC_CIER_HSI48RDYIE RCC_CIER_HSI48RDYIE /*!< HSI48 Ready Interrupt Enable */
  199. #endif /* RCC_HSI48_SUPPORT */
  200. #define LL_RCC_CIER_PLLSAI1RDYIE RCC_CIER_PLLSAI1RDYIE /*!< PLLSAI1 Ready Interrupt Enable */
  201. #if defined(RCC_PLLSAI2_SUPPORT)
  202. #define LL_RCC_CIER_PLLSAI2RDYIE RCC_CIER_PLLSAI2RDYIE /*!< PLLSAI2 Ready Interrupt Enable */
  203. #endif /* RCC_PLLSAI2_SUPPORT */
  204. #define LL_RCC_CIER_LSECSSIE RCC_CIER_LSECSSIE /*!< LSE CSS Interrupt Enable */
  205. /**
  206. * @}
  207. */
  208. /** @defgroup RCC_LL_EC_LSEDRIVE LSE oscillator drive capability
  209. * @{
  210. */
  211. #define LL_RCC_LSEDRIVE_LOW 0x00000000U /*!< Xtal mode lower driving capability */
  212. #define LL_RCC_LSEDRIVE_MEDIUMLOW RCC_BDCR_LSEDRV_0 /*!< Xtal mode medium low driving capability */
  213. #define LL_RCC_LSEDRIVE_MEDIUMHIGH RCC_BDCR_LSEDRV_1 /*!< Xtal mode medium high driving capability */
  214. #define LL_RCC_LSEDRIVE_HIGH RCC_BDCR_LSEDRV /*!< Xtal mode higher driving capability */
  215. /**
  216. * @}
  217. */
  218. /** @defgroup RCC_LL_EC_MSIRANGE MSI clock ranges
  219. * @{
  220. */
  221. #define LL_RCC_MSIRANGE_0 RCC_CR_MSIRANGE_0 /*!< MSI = 100 KHz */
  222. #define LL_RCC_MSIRANGE_1 RCC_CR_MSIRANGE_1 /*!< MSI = 200 KHz */
  223. #define LL_RCC_MSIRANGE_2 RCC_CR_MSIRANGE_2 /*!< MSI = 400 KHz */
  224. #define LL_RCC_MSIRANGE_3 RCC_CR_MSIRANGE_3 /*!< MSI = 800 KHz */
  225. #define LL_RCC_MSIRANGE_4 RCC_CR_MSIRANGE_4 /*!< MSI = 1 MHz */
  226. #define LL_RCC_MSIRANGE_5 RCC_CR_MSIRANGE_5 /*!< MSI = 2 MHz */
  227. #define LL_RCC_MSIRANGE_6 RCC_CR_MSIRANGE_6 /*!< MSI = 4 MHz */
  228. #define LL_RCC_MSIRANGE_7 RCC_CR_MSIRANGE_7 /*!< MSI = 8 MHz */
  229. #define LL_RCC_MSIRANGE_8 RCC_CR_MSIRANGE_8 /*!< MSI = 16 MHz */
  230. #define LL_RCC_MSIRANGE_9 RCC_CR_MSIRANGE_9 /*!< MSI = 24 MHz */
  231. #define LL_RCC_MSIRANGE_10 RCC_CR_MSIRANGE_10 /*!< MSI = 32 MHz */
  232. #define LL_RCC_MSIRANGE_11 RCC_CR_MSIRANGE_11 /*!< MSI = 48 MHz */
  233. /**
  234. * @}
  235. */
  236. /** @defgroup RCC_LL_EC_MSISRANGE MSI range after Standby mode
  237. * @{
  238. */
  239. #define LL_RCC_MSISRANGE_4 RCC_CSR_MSISRANGE_1 /*!< MSI = 1 MHz */
  240. #define LL_RCC_MSISRANGE_5 RCC_CSR_MSISRANGE_2 /*!< MSI = 2 MHz */
  241. #define LL_RCC_MSISRANGE_6 RCC_CSR_MSISRANGE_4 /*!< MSI = 4 MHz */
  242. #define LL_RCC_MSISRANGE_7 RCC_CSR_MSISRANGE_8 /*!< MSI = 8 MHz */
  243. /**
  244. * @}
  245. */
  246. /** @defgroup RCC_LL_EC_LSCO_CLKSOURCE LSCO Selection
  247. * @{
  248. */
  249. #define LL_RCC_LSCO_CLKSOURCE_LSI 0x00000000U /*!< LSI selection for low speed clock */
  250. #define LL_RCC_LSCO_CLKSOURCE_LSE RCC_BDCR_LSCOSEL /*!< LSE selection for low speed clock */
  251. /**
  252. * @}
  253. */
  254. /** @defgroup RCC_LL_EC_SYS_CLKSOURCE System clock switch
  255. * @{
  256. */
  257. #define LL_RCC_SYS_CLKSOURCE_MSI RCC_CFGR_SW_MSI /*!< MSI selection as system clock */
  258. #define LL_RCC_SYS_CLKSOURCE_HSI RCC_CFGR_SW_HSI /*!< HSI selection as system clock */
  259. #define LL_RCC_SYS_CLKSOURCE_HSE RCC_CFGR_SW_HSE /*!< HSE selection as system clock */
  260. #define LL_RCC_SYS_CLKSOURCE_PLL RCC_CFGR_SW_PLL /*!< PLL selection as system clock */
  261. /**
  262. * @}
  263. */
  264. /** @defgroup RCC_LL_EC_SYS_CLKSOURCE_STATUS System clock switch status
  265. * @{
  266. */
  267. #define LL_RCC_SYS_CLKSOURCE_STATUS_MSI RCC_CFGR_SWS_MSI /*!< MSI used as system clock */
  268. #define LL_RCC_SYS_CLKSOURCE_STATUS_HSI RCC_CFGR_SWS_HSI /*!< HSI used as system clock */
  269. #define LL_RCC_SYS_CLKSOURCE_STATUS_HSE RCC_CFGR_SWS_HSE /*!< HSE used as system clock */
  270. #define LL_RCC_SYS_CLKSOURCE_STATUS_PLL RCC_CFGR_SWS_PLL /*!< PLL used as system clock */
  271. /**
  272. * @}
  273. */
  274. /** @defgroup RCC_LL_EC_SYSCLK_DIV AHB prescaler
  275. * @{
  276. */
  277. #define LL_RCC_SYSCLK_DIV_1 RCC_CFGR_HPRE_DIV1 /*!< SYSCLK not divided */
  278. #define LL_RCC_SYSCLK_DIV_2 RCC_CFGR_HPRE_DIV2 /*!< SYSCLK divided by 2 */
  279. #define LL_RCC_SYSCLK_DIV_4 RCC_CFGR_HPRE_DIV4 /*!< SYSCLK divided by 4 */
  280. #define LL_RCC_SYSCLK_DIV_8 RCC_CFGR_HPRE_DIV8 /*!< SYSCLK divided by 8 */
  281. #define LL_RCC_SYSCLK_DIV_16 RCC_CFGR_HPRE_DIV16 /*!< SYSCLK divided by 16 */
  282. #define LL_RCC_SYSCLK_DIV_64 RCC_CFGR_HPRE_DIV64 /*!< SYSCLK divided by 64 */
  283. #define LL_RCC_SYSCLK_DIV_128 RCC_CFGR_HPRE_DIV128 /*!< SYSCLK divided by 128 */
  284. #define LL_RCC_SYSCLK_DIV_256 RCC_CFGR_HPRE_DIV256 /*!< SYSCLK divided by 256 */
  285. #define LL_RCC_SYSCLK_DIV_512 RCC_CFGR_HPRE_DIV512 /*!< SYSCLK divided by 512 */
  286. /**
  287. * @}
  288. */
  289. /** @defgroup RCC_LL_EC_APB1_DIV APB low-speed prescaler (APB1)
  290. * @{
  291. */
  292. #define LL_RCC_APB1_DIV_1 RCC_CFGR_PPRE1_DIV1 /*!< HCLK not divided */
  293. #define LL_RCC_APB1_DIV_2 RCC_CFGR_PPRE1_DIV2 /*!< HCLK divided by 2 */
  294. #define LL_RCC_APB1_DIV_4 RCC_CFGR_PPRE1_DIV4 /*!< HCLK divided by 4 */
  295. #define LL_RCC_APB1_DIV_8 RCC_CFGR_PPRE1_DIV8 /*!< HCLK divided by 8 */
  296. #define LL_RCC_APB1_DIV_16 RCC_CFGR_PPRE1_DIV16 /*!< HCLK divided by 16 */
  297. /**
  298. * @}
  299. */
  300. /** @defgroup RCC_LL_EC_APB2_DIV APB high-speed prescaler (APB2)
  301. * @{
  302. */
  303. #define LL_RCC_APB2_DIV_1 RCC_CFGR_PPRE2_DIV1 /*!< HCLK not divided */
  304. #define LL_RCC_APB2_DIV_2 RCC_CFGR_PPRE2_DIV2 /*!< HCLK divided by 2 */
  305. #define LL_RCC_APB2_DIV_4 RCC_CFGR_PPRE2_DIV4 /*!< HCLK divided by 4 */
  306. #define LL_RCC_APB2_DIV_8 RCC_CFGR_PPRE2_DIV8 /*!< HCLK divided by 8 */
  307. #define LL_RCC_APB2_DIV_16 RCC_CFGR_PPRE2_DIV16 /*!< HCLK divided by 16 */
  308. /**
  309. * @}
  310. */
  311. /** @defgroup RCC_LL_EC_STOP_WAKEUPCLOCK Wakeup from Stop and CSS backup clock selection
  312. * @{
  313. */
  314. #define LL_RCC_STOP_WAKEUPCLOCK_MSI 0x00000000U /*!< MSI selection after wake-up from STOP */
  315. #define LL_RCC_STOP_WAKEUPCLOCK_HSI RCC_CFGR_STOPWUCK /*!< HSI selection after wake-up from STOP */
  316. /**
  317. * @}
  318. */
  319. /** @defgroup RCC_LL_EC_MCO1SOURCE MCO1 SOURCE selection
  320. * @{
  321. */
  322. #define LL_RCC_MCO1SOURCE_NOCLOCK 0x00000000U /*!< MCO output disabled, no clock on MCO */
  323. #define LL_RCC_MCO1SOURCE_SYSCLK RCC_CFGR_MCOSEL_0 /*!< SYSCLK selection as MCO1 source */
  324. #define LL_RCC_MCO1SOURCE_MSI RCC_CFGR_MCOSEL_1 /*!< MSI selection as MCO1 source */
  325. #define LL_RCC_MCO1SOURCE_HSI (RCC_CFGR_MCOSEL_0| RCC_CFGR_MCOSEL_1) /*!< HSI16 selection as MCO1 source */
  326. #define LL_RCC_MCO1SOURCE_HSE RCC_CFGR_MCOSEL_2 /*!< HSE selection as MCO1 source */
  327. #define LL_RCC_MCO1SOURCE_PLLCLK (RCC_CFGR_MCOSEL_0|RCC_CFGR_MCOSEL_2) /*!< Main PLL selection as MCO1 source */
  328. #define LL_RCC_MCO1SOURCE_LSI (RCC_CFGR_MCOSEL_1|RCC_CFGR_MCOSEL_2) /*!< LSI selection as MCO1 source */
  329. #define LL_RCC_MCO1SOURCE_LSE (RCC_CFGR_MCOSEL_0|RCC_CFGR_MCOSEL_1|RCC_CFGR_MCOSEL_2) /*!< LSE selection as MCO1 source */
  330. #if defined(RCC_HSI48_SUPPORT)
  331. #define LL_RCC_MCO1SOURCE_HSI48 RCC_CFGR_MCOSEL_3 /*!< HSI48 selection as MCO1 source */
  332. #endif /* RCC_HSI48_SUPPORT */
  333. /**
  334. * @}
  335. */
  336. /** @defgroup RCC_LL_EC_MCO1_DIV MCO1 prescaler
  337. * @{
  338. */
  339. #define LL_RCC_MCO1_DIV_1 RCC_CFGR_MCOPRE_DIV1 /*!< MCO not divided */
  340. #define LL_RCC_MCO1_DIV_2 RCC_CFGR_MCOPRE_DIV2 /*!< MCO divided by 2 */
  341. #define LL_RCC_MCO1_DIV_4 RCC_CFGR_MCOPRE_DIV4 /*!< MCO divided by 4 */
  342. #define LL_RCC_MCO1_DIV_8 RCC_CFGR_MCOPRE_DIV8 /*!< MCO divided by 8 */
  343. #define LL_RCC_MCO1_DIV_16 RCC_CFGR_MCOPRE_DIV16 /*!< MCO divided by 16 */
  344. /**
  345. * @}
  346. */
  347. #if defined(USE_FULL_LL_DRIVER)
  348. /** @defgroup RCC_LL_EC_PERIPH_FREQUENCY Peripheral clock frequency
  349. * @{
  350. */
  351. #define LL_RCC_PERIPH_FREQUENCY_NO 0x00000000U /*!< No clock enabled for the peripheral */
  352. #define LL_RCC_PERIPH_FREQUENCY_NA 0xFFFFFFFFU /*!< Frequency cannot be provided as external clock */
  353. /**
  354. * @}
  355. */
  356. #endif /* USE_FULL_LL_DRIVER */
  357. /** @defgroup RCC_LL_EC_USART1_CLKSOURCE Peripheral USART clock source selection
  358. * @{
  359. */
  360. #define LL_RCC_USART1_CLKSOURCE_PCLK2 (RCC_CCIPR_USART1SEL << 16U) /*!< PCLK2 clock used as USART1 clock source */
  361. #define LL_RCC_USART1_CLKSOURCE_SYSCLK ((RCC_CCIPR_USART1SEL << 16U) | RCC_CCIPR_USART1SEL_0) /*!< SYSCLK clock used as USART1 clock source */
  362. #define LL_RCC_USART1_CLKSOURCE_HSI ((RCC_CCIPR_USART1SEL << 16U) | RCC_CCIPR_USART1SEL_1) /*!< HSI clock used as USART1 clock source */
  363. #define LL_RCC_USART1_CLKSOURCE_LSE ((RCC_CCIPR_USART1SEL << 16U) | RCC_CCIPR_USART1SEL) /*!< LSE clock used as USART1 clock source */
  364. #define LL_RCC_USART2_CLKSOURCE_PCLK1 (RCC_CCIPR_USART2SEL << 16U) /*!< PCLK1 clock used as USART2 clock source */
  365. #define LL_RCC_USART2_CLKSOURCE_SYSCLK ((RCC_CCIPR_USART2SEL << 16U) | RCC_CCIPR_USART2SEL_0) /*!< SYSCLK clock used as USART2 clock source */
  366. #define LL_RCC_USART2_CLKSOURCE_HSI ((RCC_CCIPR_USART2SEL << 16U) | RCC_CCIPR_USART2SEL_1) /*!< HSI clock used as USART2 clock source */
  367. #define LL_RCC_USART2_CLKSOURCE_LSE ((RCC_CCIPR_USART2SEL << 16U) | RCC_CCIPR_USART2SEL) /*!< LSE clock used as USART2 clock source */
  368. #if defined(RCC_CCIPR_USART3SEL)
  369. #define LL_RCC_USART3_CLKSOURCE_PCLK1 (RCC_CCIPR_USART3SEL << 16U) /*!< PCLK1 clock used as USART3 clock source */
  370. #define LL_RCC_USART3_CLKSOURCE_SYSCLK ((RCC_CCIPR_USART3SEL << 16U) | RCC_CCIPR_USART3SEL_0) /*!< SYSCLK clock used as USART3 clock source */
  371. #define LL_RCC_USART3_CLKSOURCE_HSI ((RCC_CCIPR_USART3SEL << 16U) | RCC_CCIPR_USART3SEL_1) /*!< HSI clock used as USART3 clock source */
  372. #define LL_RCC_USART3_CLKSOURCE_LSE ((RCC_CCIPR_USART3SEL << 16U) | RCC_CCIPR_USART3SEL) /*!< LSE clock used as USART3 clock source */
  373. #endif /* RCC_CCIPR_USART3SEL */
  374. /**
  375. * @}
  376. */
  377. #if defined(RCC_CCIPR_UART4SEL) || defined(RCC_CCIPR_UART5SEL)
  378. /** @defgroup RCC_LL_EC_UART4_CLKSOURCE Peripheral UART clock source selection
  379. * @{
  380. */
  381. #if defined(RCC_CCIPR_UART4SEL)
  382. #define LL_RCC_UART4_CLKSOURCE_PCLK1 (RCC_CCIPR_UART4SEL << 16U) /*!< PCLK1 clock used as UART4 clock source */
  383. #define LL_RCC_UART4_CLKSOURCE_SYSCLK ((RCC_CCIPR_UART4SEL << 16U) | RCC_CCIPR_UART4SEL_0) /*!< SYSCLK clock used as UART4 clock source */
  384. #define LL_RCC_UART4_CLKSOURCE_HSI ((RCC_CCIPR_UART4SEL << 16U) | RCC_CCIPR_UART4SEL_1) /*!< HSI clock used as UART4 clock source */
  385. #define LL_RCC_UART4_CLKSOURCE_LSE ((RCC_CCIPR_UART4SEL << 16U) | RCC_CCIPR_UART4SEL) /*!< LSE clock used as UART4 clock source */
  386. #endif /* RCC_CCIPR_UART4SEL */
  387. #if defined(RCC_CCIPR_UART5SEL)
  388. #define LL_RCC_UART5_CLKSOURCE_PCLK1 (RCC_CCIPR_UART5SEL << 16U) /*!< PCLK1 clock used as UART5 clock source */
  389. #define LL_RCC_UART5_CLKSOURCE_SYSCLK ((RCC_CCIPR_UART5SEL << 16U) | RCC_CCIPR_UART5SEL_0) /*!< SYSCLK clock used as UART5 clock source */
  390. #define LL_RCC_UART5_CLKSOURCE_HSI ((RCC_CCIPR_UART5SEL << 16U) | RCC_CCIPR_UART5SEL_1) /*!< HSI clock used as UART5 clock source */
  391. #define LL_RCC_UART5_CLKSOURCE_LSE ((RCC_CCIPR_UART5SEL << 16U) | RCC_CCIPR_UART5SEL) /*!< LSE clock used as UART5 clock source */
  392. #endif /* RCC_CCIPR_UART5SEL */
  393. /**
  394. * @}
  395. */
  396. #endif /* RCC_CCIPR_UART4SEL || RCC_CCIPR_UART5SEL */
  397. /** @defgroup RCC_LL_EC_LPUART1_CLKSOURCE Peripheral LPUART clock source selection
  398. * @{
  399. */
  400. #define LL_RCC_LPUART1_CLKSOURCE_PCLK1 0x00000000U /*!< PCLK1 clock used as LPUART1 clock source */
  401. #define LL_RCC_LPUART1_CLKSOURCE_SYSCLK RCC_CCIPR_LPUART1SEL_0 /*!< SYSCLK clock used as LPUART1 clock source */
  402. #define LL_RCC_LPUART1_CLKSOURCE_HSI RCC_CCIPR_LPUART1SEL_1 /*!< HSI clock used as LPUART1 clock source */
  403. #define LL_RCC_LPUART1_CLKSOURCE_LSE RCC_CCIPR_LPUART1SEL /*!< LSE clock used as LPUART1 clock source */
  404. /**
  405. * @}
  406. */
  407. /** @defgroup RCC_LL_EC_I2C1_CLKSOURCE Peripheral I2C clock source selection
  408. * @{
  409. */
  410. #define LL_RCC_I2C1_CLKSOURCE_PCLK1 ((RCC_OFFSET_CCIPR << 24U) | (RCC_CCIPR_I2C1SEL_Pos << 16U)) /*!< PCLK1 clock used as I2C1 clock source */
  411. #define LL_RCC_I2C1_CLKSOURCE_SYSCLK ((RCC_OFFSET_CCIPR << 24U) | (RCC_CCIPR_I2C1SEL_Pos << 16U) | (RCC_CCIPR_I2C1SEL_0 >> RCC_CCIPR_I2C1SEL_Pos)) /*!< SYSCLK clock used as I2C1 clock source */
  412. #define LL_RCC_I2C1_CLKSOURCE_HSI ((RCC_OFFSET_CCIPR << 24U) | (RCC_CCIPR_I2C1SEL_Pos << 16U) | (RCC_CCIPR_I2C1SEL_1 >> RCC_CCIPR_I2C1SEL_Pos)) /*!< HSI clock used as I2C1 clock source */
  413. #if defined(RCC_CCIPR_I2C2SEL)
  414. #define LL_RCC_I2C2_CLKSOURCE_PCLK1 ((RCC_OFFSET_CCIPR << 24U) | (RCC_CCIPR_I2C2SEL_Pos << 16U)) /*!< PCLK1 clock used as I2C2 clock source */
  415. #define LL_RCC_I2C2_CLKSOURCE_SYSCLK ((RCC_OFFSET_CCIPR << 24U) | (RCC_CCIPR_I2C2SEL_Pos << 16U) | (RCC_CCIPR_I2C2SEL_0 >> RCC_CCIPR_I2C2SEL_Pos)) /*!< SYSCLK clock used as I2C2 clock source */
  416. #define LL_RCC_I2C2_CLKSOURCE_HSI ((RCC_OFFSET_CCIPR << 24U) | (RCC_CCIPR_I2C2SEL_Pos << 16U) | (RCC_CCIPR_I2C2SEL_1 >> RCC_CCIPR_I2C2SEL_Pos)) /*!< HSI clock used as I2C2 clock source */
  417. #endif /* RCC_CCIPR_I2C2SEL */
  418. #define LL_RCC_I2C3_CLKSOURCE_PCLK1 ((RCC_OFFSET_CCIPR << 24U) | (RCC_CCIPR_I2C3SEL_Pos << 16U)) /*!< PCLK1 clock used as I2C3 clock source */
  419. #define LL_RCC_I2C3_CLKSOURCE_SYSCLK ((RCC_OFFSET_CCIPR << 24U) | (RCC_CCIPR_I2C3SEL_Pos << 16U) | (RCC_CCIPR_I2C3SEL_0 >> RCC_CCIPR_I2C3SEL_Pos)) /*!< SYSCLK clock used as I2C3 clock source */
  420. #define LL_RCC_I2C3_CLKSOURCE_HSI ((RCC_OFFSET_CCIPR << 24U) | (RCC_CCIPR_I2C3SEL_Pos << 16U) | (RCC_CCIPR_I2C3SEL_1 >> RCC_CCIPR_I2C3SEL_Pos)) /*!< HSI clock used as I2C3 clock source */
  421. #if defined(RCC_CCIPR2_I2C4SEL)
  422. #define LL_RCC_I2C4_CLKSOURCE_PCLK1 ((RCC_OFFSET_CCIPR2 << 24U) | (RCC_CCIPR2_I2C4SEL_Pos << 16U)) /*!< PCLK1 clock used as I2C4 clock source */
  423. #define LL_RCC_I2C4_CLKSOURCE_SYSCLK ((RCC_OFFSET_CCIPR2 << 24U) | (RCC_CCIPR2_I2C4SEL_Pos << 16U) | (RCC_CCIPR2_I2C4SEL_0 >> RCC_CCIPR2_I2C4SEL_Pos)) /*!< SYSCLK clock used as I2C4 clock source */
  424. #define LL_RCC_I2C4_CLKSOURCE_HSI ((RCC_OFFSET_CCIPR2 << 24U) | (RCC_CCIPR2_I2C4SEL_Pos << 16U) | (RCC_CCIPR2_I2C4SEL_1 >> RCC_CCIPR2_I2C4SEL_Pos)) /*!< HSI clock used as I2C4 clock source */
  425. #endif /* RCC_CCIPR2_I2C4SEL */
  426. /**
  427. * @}
  428. */
  429. /** @defgroup RCC_LL_EC_LPTIM1_CLKSOURCE Peripheral LPTIM clock source selection
  430. * @{
  431. */
  432. #define LL_RCC_LPTIM1_CLKSOURCE_PCLK1 RCC_CCIPR_LPTIM1SEL /*!< PCLK1 clock used as LPTIM1 clock source */
  433. #define LL_RCC_LPTIM1_CLKSOURCE_LSI (RCC_CCIPR_LPTIM1SEL | (RCC_CCIPR_LPTIM1SEL_0 >> 16U)) /*!< LSI clock used as LPTIM1 clock source */
  434. #define LL_RCC_LPTIM1_CLKSOURCE_HSI (RCC_CCIPR_LPTIM1SEL | (RCC_CCIPR_LPTIM1SEL_1 >> 16U)) /*!< HSI clock used as LPTIM1 clock source */
  435. #define LL_RCC_LPTIM1_CLKSOURCE_LSE (RCC_CCIPR_LPTIM1SEL | (RCC_CCIPR_LPTIM1SEL >> 16U)) /*!< LSE clock used as LPTIM1 clock source */
  436. #define LL_RCC_LPTIM2_CLKSOURCE_PCLK1 RCC_CCIPR_LPTIM2SEL /*!< PCLK1 clock used as LPTIM2 clock source */
  437. #define LL_RCC_LPTIM2_CLKSOURCE_LSI (RCC_CCIPR_LPTIM2SEL | (RCC_CCIPR_LPTIM2SEL_0 >> 16U)) /*!< LSI clock used as LPTIM2 clock source */
  438. #define LL_RCC_LPTIM2_CLKSOURCE_HSI (RCC_CCIPR_LPTIM2SEL | (RCC_CCIPR_LPTIM2SEL_1 >> 16U)) /*!< HSI clock used as LPTIM2 clock source */
  439. #define LL_RCC_LPTIM2_CLKSOURCE_LSE (RCC_CCIPR_LPTIM2SEL | (RCC_CCIPR_LPTIM2SEL >> 16U)) /*!< LSE clock used as LPTIM2 clock source */
  440. /**
  441. * @}
  442. */
  443. /** @defgroup RCC_LL_EC_SAI1_CLKSOURCE Peripheral SAI clock source selection
  444. * @{
  445. */
  446. #define LL_RCC_SAI1_CLKSOURCE_PLLSAI1 RCC_CCIPR_SAI1SEL /*!< PLLSAI1 clock used as SAI1 clock source */
  447. #if defined(RCC_PLLSAI2_SUPPORT)
  448. #define LL_RCC_SAI1_CLKSOURCE_PLLSAI2 (RCC_CCIPR_SAI1SEL | (RCC_CCIPR_SAI1SEL_0 >> 16U)) /*!< PLLSAI2 clock used as SAI1 clock source */
  449. #endif /* RCC_PLLSAI2_SUPPORT */
  450. #define LL_RCC_SAI1_CLKSOURCE_PLL (RCC_CCIPR_SAI1SEL | (RCC_CCIPR_SAI1SEL_1 >> 16U)) /*!< PLL clock used as SAI1 clock source */
  451. #define LL_RCC_SAI1_CLKSOURCE_PIN (RCC_CCIPR_SAI1SEL | (RCC_CCIPR_SAI1SEL >> 16U)) /*!< External input clock used as SAI1 clock source */
  452. #if defined(RCC_CCIPR_SAI2SEL)
  453. #define LL_RCC_SAI2_CLKSOURCE_PLLSAI1 RCC_CCIPR_SAI2SEL /*!< PLLSAI1 clock used as SAI2 clock source */
  454. #if defined(RCC_PLLSAI2_SUPPORT)
  455. #define LL_RCC_SAI2_CLKSOURCE_PLLSAI2 (RCC_CCIPR_SAI2SEL | (RCC_CCIPR_SAI2SEL_0 >> 16U)) /*!< PLLSAI2 clock used as SAI2 clock source */
  456. #endif /* RCC_PLLSAI2_SUPPORT */
  457. #define LL_RCC_SAI2_CLKSOURCE_PLL (RCC_CCIPR_SAI2SEL | (RCC_CCIPR_SAI2SEL_1 >> 16U)) /*!< PLL clock used as SAI2 clock source */
  458. #define LL_RCC_SAI2_CLKSOURCE_PIN (RCC_CCIPR_SAI2SEL | (RCC_CCIPR_SAI2SEL >> 16U)) /*!< External input clock used as SAI2 clock source */
  459. #endif /* RCC_CCIPR_SAI2SEL *//**
  460. * @}
  461. */
  462. /** @defgroup RCC_LL_EC_SDMMC1_CLKSOURCE Peripheral SDMMC clock source selection
  463. * @{
  464. */
  465. #if defined(RCC_HSI48_SUPPORT)
  466. #define LL_RCC_SDMMC1_CLKSOURCE_HSI48 0x00000000U /*!< HSI48 clock used as SDMMC1 clock source */
  467. #else
  468. #define LL_RCC_SDMMC1_CLKSOURCE_NONE 0x00000000U /*!< No clock used as SDMMC1 clock source */
  469. #endif
  470. #define LL_RCC_SDMMC1_CLKSOURCE_PLLSAI1 RCC_CCIPR_CLK48SEL_0 /*!< PLLSAI1 clock used as SDMMC1 clock source */
  471. #define LL_RCC_SDMMC1_CLKSOURCE_PLL RCC_CCIPR_CLK48SEL_1 /*!< PLL clock used as SDMMC1 clock source */
  472. #define LL_RCC_SDMMC1_CLKSOURCE_MSI RCC_CCIPR_CLK48SEL /*!< MSI clock used as SDMMC1 clock source */
  473. /**
  474. * @}
  475. */
  476. /** @defgroup RCC_LL_EC_RNG_CLKSOURCE Peripheral RNG clock source selection
  477. * @{
  478. */
  479. #if defined(RCC_HSI48_SUPPORT)
  480. #define LL_RCC_RNG_CLKSOURCE_HSI48 0x00000000U /*!< HSI48 clock used as RNG clock source */
  481. #else
  482. #define LL_RCC_RNG_CLKSOURCE_NONE 0x00000000U /*!< No clock used as RNG clock source */
  483. #endif
  484. #define LL_RCC_RNG_CLKSOURCE_PLLSAI1 RCC_CCIPR_CLK48SEL_0 /*!< PLLSAI1 clock used as RNG clock source */
  485. #define LL_RCC_RNG_CLKSOURCE_PLL RCC_CCIPR_CLK48SEL_1 /*!< PLL clock used as RNG clock source */
  486. #define LL_RCC_RNG_CLKSOURCE_MSI RCC_CCIPR_CLK48SEL /*!< MSI clock used as RNG clock source */
  487. /**
  488. * @}
  489. */
  490. #if defined(USB_OTG_FS) || defined(USB)
  491. /** @defgroup RCC_LL_EC_USB_CLKSOURCE Peripheral USB clock source selection
  492. * @{
  493. */
  494. #if defined(RCC_HSI48_SUPPORT)
  495. #define LL_RCC_USB_CLKSOURCE_HSI48 0x00000000U /*!< HSI48 clock used as USB clock source */
  496. #else
  497. #define LL_RCC_USB_CLKSOURCE_NONE 0x00000000U /*!< No clock used as USB clock source */
  498. #endif
  499. #define LL_RCC_USB_CLKSOURCE_PLLSAI1 RCC_CCIPR_CLK48SEL_0 /*!< PLLSAI1 clock used as USB clock source */
  500. #define LL_RCC_USB_CLKSOURCE_PLL RCC_CCIPR_CLK48SEL_1 /*!< PLL clock used as USB clock source */
  501. #define LL_RCC_USB_CLKSOURCE_MSI RCC_CCIPR_CLK48SEL /*!< MSI clock used as USB clock source */
  502. /**
  503. * @}
  504. */
  505. #endif /* USB_OTG_FS || USB */
  506. /** @defgroup RCC_LL_EC_ADC_CLKSOURCE Peripheral ADC clock source selection
  507. * @{
  508. */
  509. #define LL_RCC_ADC_CLKSOURCE_NONE 0x00000000U /*!< No clock used as ADC clock source */
  510. #define LL_RCC_ADC_CLKSOURCE_PLLSAI1 RCC_CCIPR_ADCSEL_0 /*!< PLLSAI1 clock used as ADC clock source */
  511. #if defined(RCC_PLLSAI2_SUPPORT)
  512. #define LL_RCC_ADC_CLKSOURCE_PLLSAI2 RCC_CCIPR_ADCSEL_1 /*!< PLLSAI2 clock used as ADC clock source */
  513. #endif /* RCC_PLLSAI2_SUPPORT */
  514. #define LL_RCC_ADC_CLKSOURCE_SYSCLK RCC_CCIPR_ADCSEL /*!< SYSCLK clock used as ADC clock source */
  515. /**
  516. * @}
  517. */
  518. #if defined(SWPMI1)
  519. /** @defgroup RCC_LL_EC_SWPMI1_CLKSOURCE Peripheral SWPMI1 clock source selection
  520. * @{
  521. */
  522. #define LL_RCC_SWPMI1_CLKSOURCE_PCLK1 0x00000000U /*!< PCLK1 used as SWPMI1 clock source */
  523. #define LL_RCC_SWPMI1_CLKSOURCE_HSI RCC_CCIPR_SWPMI1SEL /*!< HSI used as SWPMI1 clock source */
  524. /**
  525. * @}
  526. */
  527. #endif /* SWPMI1 */
  528. #if defined(DFSDM1_Channel0)
  529. /** @defgroup RCC_LL_EC_DFSDM1_CLKSOURCE Peripheral DFSDM1 clock source selection
  530. * @{
  531. */
  532. #define LL_RCC_DFSDM1_CLKSOURCE_PCLK2 0x00000000U /*!< PCLK2 used as DFSDM1 clock source */
  533. #define LL_RCC_DFSDM1_CLKSOURCE_SYSCLK RCC_CCIPR_DFSDM1SEL /*!< SYSCLK used as DFSDM1 clock source */
  534. /**
  535. * @}
  536. */
  537. #endif /* DFSDM1_Channel0 */
  538. /** @defgroup RCC_LL_EC_USART1 Peripheral USART get clock source
  539. * @{
  540. */
  541. #define LL_RCC_USART1_CLKSOURCE RCC_CCIPR_USART1SEL /*!< USART1 Clock source selection */
  542. #define LL_RCC_USART2_CLKSOURCE RCC_CCIPR_USART2SEL /*!< USART2 Clock source selection */
  543. #if defined(RCC_CCIPR_USART3SEL)
  544. #define LL_RCC_USART3_CLKSOURCE RCC_CCIPR_USART3SEL /*!< USART3 Clock source selection */
  545. #endif /* RCC_CCIPR_USART3SEL */
  546. /**
  547. * @}
  548. */
  549. #if defined(RCC_CCIPR_UART4SEL) || defined(RCC_CCIPR_UART5SEL)
  550. /** @defgroup RCC_LL_EC_UART4 Peripheral UART get clock source
  551. * @{
  552. */
  553. #if defined(RCC_CCIPR_UART4SEL)
  554. #define LL_RCC_UART4_CLKSOURCE RCC_CCIPR_UART4SEL /*!< UART4 Clock source selection */
  555. #endif /* RCC_CCIPR_UART4SEL */
  556. #if defined(RCC_CCIPR_UART5SEL)
  557. #define LL_RCC_UART5_CLKSOURCE RCC_CCIPR_UART5SEL /*!< UART5 Clock source selection */
  558. #endif /* RCC_CCIPR_UART5SEL */
  559. /**
  560. * @}
  561. */
  562. #endif /* RCC_CCIPR_UART4SEL || RCC_CCIPR_UART5SEL */
  563. /** @defgroup RCC_LL_EC_LPUART1 Peripheral LPUART get clock source
  564. * @{
  565. */
  566. #define LL_RCC_LPUART1_CLKSOURCE RCC_CCIPR_LPUART1SEL /*!< LPUART1 Clock source selection */
  567. /**
  568. * @}
  569. */
  570. /** @defgroup RCC_LL_EC_I2C1 Peripheral I2C get clock source
  571. * @{
  572. */
  573. #define LL_RCC_I2C1_CLKSOURCE ((RCC_OFFSET_CCIPR << 24U) | (RCC_CCIPR_I2C1SEL_Pos << 16U) | (RCC_CCIPR_I2C1SEL >> RCC_CCIPR_I2C1SEL_Pos)) /*!< I2C1 Clock source selection */
  574. #if defined(RCC_CCIPR_I2C2SEL)
  575. #define LL_RCC_I2C2_CLKSOURCE ((RCC_OFFSET_CCIPR << 24U) | (RCC_CCIPR_I2C2SEL_Pos << 16U) | (RCC_CCIPR_I2C2SEL >> RCC_CCIPR_I2C2SEL_Pos)) /*!< I2C2 Clock source selection */
  576. #endif /* RCC_CCIPR_I2C2SEL */
  577. #define LL_RCC_I2C3_CLKSOURCE ((RCC_OFFSET_CCIPR << 24U) | (RCC_CCIPR_I2C3SEL_Pos << 16U) | (RCC_CCIPR_I2C3SEL >> RCC_CCIPR_I2C3SEL_Pos)) /*!< I2C3 Clock source selection */
  578. #if defined(RCC_CCIPR2_I2C4SEL)
  579. #define LL_RCC_I2C4_CLKSOURCE ((RCC_OFFSET_CCIPR2 << 24U) | (RCC_CCIPR2_I2C4SEL_Pos << 16U) | (RCC_CCIPR2_I2C4SEL >> RCC_CCIPR2_I2C4SEL_Pos)) /*!< I2C4 Clock source selection */
  580. #endif /* RCC_CCIPR2_I2C4SEL */
  581. /**
  582. * @}
  583. */
  584. /** @defgroup RCC_LL_EC_LPTIM1 Peripheral LPTIM get clock source
  585. * @{
  586. */
  587. #define LL_RCC_LPTIM1_CLKSOURCE RCC_CCIPR_LPTIM1SEL /*!< LPTIM1 Clock source selection */
  588. #define LL_RCC_LPTIM2_CLKSOURCE RCC_CCIPR_LPTIM2SEL /*!< LPTIM2 Clock source selection */
  589. /**
  590. * @}
  591. */
  592. /** @defgroup RCC_LL_EC_SAI1 Peripheral SAI get clock source
  593. * @{
  594. */
  595. #define LL_RCC_SAI1_CLKSOURCE RCC_CCIPR_SAI1SEL /*!< SAI1 Clock source selection */
  596. #if defined(RCC_CCIPR_SAI2SEL)
  597. #define LL_RCC_SAI2_CLKSOURCE RCC_CCIPR_SAI2SEL /*!< SAI2 Clock source selection */
  598. #endif /* RCC_CCIPR_SAI2SEL */
  599. /**
  600. * @}
  601. */
  602. /** @defgroup RCC_LL_EC_SDMMC1 Peripheral SDMMC get clock source
  603. * @{
  604. */
  605. #define LL_RCC_SDMMC1_CLKSOURCE RCC_CCIPR_CLK48SEL /*!< SDMMC1 Clock source selection */
  606. /**
  607. * @}
  608. */
  609. /** @defgroup RCC_LL_EC_RNG Peripheral RNG get clock source
  610. * @{
  611. */
  612. #define LL_RCC_RNG_CLKSOURCE RCC_CCIPR_CLK48SEL /*!< RNG Clock source selection */
  613. /**
  614. * @}
  615. */
  616. #if defined(USB_OTG_FS) || defined(USB)
  617. /** @defgroup RCC_LL_EC_USB Peripheral USB get clock source
  618. * @{
  619. */
  620. #define LL_RCC_USB_CLKSOURCE RCC_CCIPR_CLK48SEL /*!< USB Clock source selection */
  621. /**
  622. * @}
  623. */
  624. #endif /* USB_OTG_FS || USB */
  625. /** @defgroup RCC_LL_EC_ADC Peripheral ADC get clock source
  626. * @{
  627. */
  628. #define LL_RCC_ADC_CLKSOURCE RCC_CCIPR_ADCSEL /*!< ADC Clock source selection */
  629. /**
  630. * @}
  631. */
  632. #if defined(SWPMI1)
  633. /** @defgroup RCC_LL_EC_SWPMI1 Peripheral SWPMI1 get clock source
  634. * @{
  635. */
  636. #define LL_RCC_SWPMI1_CLKSOURCE RCC_CCIPR_SWPMI1SEL /*!< SWPMI1 Clock source selection */
  637. /**
  638. * @}
  639. */
  640. #endif /* SWPMI1 */
  641. #if defined(DFSDM1_Channel0)
  642. /** @defgroup RCC_LL_EC_DFSDM1 Peripheral DFSDM1 get clock source
  643. * @{
  644. */
  645. #define LL_RCC_DFSDM1_CLKSOURCE RCC_CCIPR_DFSDM1SEL /*!< DFSDM1 Clock source selection */
  646. /**
  647. * @}
  648. */
  649. #endif /* DFSDM1_Channel0 */
  650. /** @defgroup RCC_LL_EC_RTC_CLKSOURCE RTC clock source selection
  651. * @{
  652. */
  653. #define LL_RCC_RTC_CLKSOURCE_NONE 0x00000000U /*!< No clock used as RTC clock */
  654. #define LL_RCC_RTC_CLKSOURCE_LSE RCC_BDCR_RTCSEL_0 /*!< LSE oscillator clock used as RTC clock */
  655. #define LL_RCC_RTC_CLKSOURCE_LSI RCC_BDCR_RTCSEL_1 /*!< LSI oscillator clock used as RTC clock */
  656. #define LL_RCC_RTC_CLKSOURCE_HSE_DIV32 RCC_BDCR_RTCSEL /*!< HSE oscillator clock divided by 32 used as RTC clock */
  657. /**
  658. * @}
  659. */
  660. /** @defgroup RCC_LL_EC_PLLSOURCE PLL, PLLSAI1 and PLLSAI2 entry clock source
  661. * @{
  662. */
  663. #define LL_RCC_PLLSOURCE_NONE 0x00000000U /*!< No clock */
  664. #define LL_RCC_PLLSOURCE_MSI RCC_PLLCFGR_PLLSRC_MSI /*!< MSI clock selected as PLL entry clock source */
  665. #define LL_RCC_PLLSOURCE_HSI RCC_PLLCFGR_PLLSRC_HSI /*!< HSI16 clock selected as PLL entry clock source */
  666. #define LL_RCC_PLLSOURCE_HSE RCC_PLLCFGR_PLLSRC_HSE /*!< HSE clock selected as PLL entry clock source */
  667. /**
  668. * @}
  669. */
  670. /** @defgroup RCC_LL_EC_PLLM_DIV PLL, PLLSAI1 and PLLSAI2 division factor
  671. * @{
  672. */
  673. #define LL_RCC_PLLM_DIV_1 0x00000000U /*!< PLL, PLLSAI1 and PLLSAI2 division factor by 1 */
  674. #define LL_RCC_PLLM_DIV_2 (RCC_PLLCFGR_PLLM_0) /*!< PLL, PLLSAI1 and PLLSAI2 division factor by 2 */
  675. #define LL_RCC_PLLM_DIV_3 (RCC_PLLCFGR_PLLM_1) /*!< PLL, PLLSAI1 and PLLSAI2 division factor by 3 */
  676. #define LL_RCC_PLLM_DIV_4 ((RCC_PLLCFGR_PLLM_1 | RCC_PLLCFGR_PLLM_0)) /*!< PLL, PLLSAI1 and PLLSAI2 division factor by 4 */
  677. #define LL_RCC_PLLM_DIV_5 (RCC_PLLCFGR_PLLM_2) /*!< PLL, PLLSAI1 and PLLSAI2 division factor by 5 */
  678. #define LL_RCC_PLLM_DIV_6 ((RCC_PLLCFGR_PLLM_2 | RCC_PLLCFGR_PLLM_0)) /*!< PLL, PLLSAI1 and PLLSAI2 division factor by 6 */
  679. #define LL_RCC_PLLM_DIV_7 ((RCC_PLLCFGR_PLLM_2 | RCC_PLLCFGR_PLLM_1)) /*!< PLL, PLLSAI1 and PLLSAI2 division factor by 7 */
  680. #define LL_RCC_PLLM_DIV_8 (RCC_PLLCFGR_PLLM) /*!< PLL, PLLSAI1 and PLLSAI2 division factor by 8 */
  681. /**
  682. * @}
  683. */
  684. /** @defgroup RCC_LL_EC_PLLR_DIV PLL division factor (PLLR)
  685. * @{
  686. */
  687. #define LL_RCC_PLLR_DIV_2 0x00000000U /*!< Main PLL division factor for PLLCLK (system clock) by 2 */
  688. #define LL_RCC_PLLR_DIV_4 (RCC_PLLCFGR_PLLR_0) /*!< Main PLL division factor for PLLCLK (system clock) by 4 */
  689. #define LL_RCC_PLLR_DIV_6 (RCC_PLLCFGR_PLLR_1) /*!< Main PLL division factor for PLLCLK (system clock) by 6 */
  690. #define LL_RCC_PLLR_DIV_8 (RCC_PLLCFGR_PLLR) /*!< Main PLL division factor for PLLCLK (system clock) by 8 */
  691. /**
  692. * @}
  693. */
  694. /** @defgroup RCC_LL_EC_PLLP_DIV PLL division factor (PLLP)
  695. * @{
  696. */
  697. #if defined(RCC_PLLP_DIV_2_31_SUPPORT)
  698. #define LL_RCC_PLLP_DIV_2 (RCC_PLLCFGR_PLLPDIV_1) /*!< Main PLL division factor for PLLP output by 2 */
  699. #define LL_RCC_PLLP_DIV_3 (RCC_PLLCFGR_PLLPDIV_0|RCC_PLLCFGR_PLLPDIV_1) /*!< Main PLL division factor for PLLP output by 3 */
  700. #define LL_RCC_PLLP_DIV_4 (RCC_PLLCFGR_PLLPDIV_2) /*!< Main PLL division factor for PLLP output by 4 */
  701. #define LL_RCC_PLLP_DIV_5 (RCC_PLLCFGR_PLLPDIV_0|RCC_PLLCFGR_PLLPDIV_2) /*!< Main PLL division factor for PLLP output by 5 */
  702. #define LL_RCC_PLLP_DIV_6 (RCC_PLLCFGR_PLLPDIV_1|RCC_PLLCFGR_PLLPDIV_2) /*!< Main PLL division factor for PLLP output by 6 */
  703. #define LL_RCC_PLLP_DIV_7 (RCC_PLLCFGR_PLLPDIV_0|RCC_PLLCFGR_PLLPDIV_1|RCC_PLLCFGR_PLLPDIV_2) /*!< Main PLL division factor for PLLP output by 7 */
  704. #define LL_RCC_PLLP_DIV_8 (RCC_PLLCFGR_PLLPDIV_3) /*!< Main PLL division factor for PLLP output by 8 */
  705. #define LL_RCC_PLLP_DIV_9 (RCC_PLLCFGR_PLLPDIV_0|RCC_PLLCFGR_PLLPDIV_3) /*!< Main PLL division factor for PLLP output by 9 */
  706. #define LL_RCC_PLLP_DIV_10 (RCC_PLLCFGR_PLLPDIV_1|RCC_PLLCFGR_PLLPDIV_3) /*!< Main PLL division factor for PLLP output by 10 */
  707. #define LL_RCC_PLLP_DIV_11 (RCC_PLLCFGR_PLLPDIV_0|RCC_PLLCFGR_PLLPDIV_1|RCC_PLLCFGR_PLLPDIV_3)) /*!< Main PLL division factor for PLLP output by 11 */
  708. #define LL_RCC_PLLP_DIV_12 (RCC_PLLCFGR_PLLPDIV_2|RCC_PLLCFGR_PLLPDIV_3) /*!< Main PLL division factor for PLLP output by 12 */
  709. #define LL_RCC_PLLP_DIV_13 (RCC_PLLCFGR_PLLPDIV_0|RCC_PLLCFGR_PLLPDIV_2|RCC_PLLCFGR_PLLPDIV_3) /*!< Main PLL division factor for PLLP output by 13 */
  710. #define LL_RCC_PLLP_DIV_14 (RCC_PLLCFGR_PLLPDIV_1|RCC_PLLCFGR_PLLPDIV_2|RCC_PLLCFGR_PLLPDIV_3) /*!< Main PLL division factor for PLLP output by 14 */
  711. #define LL_RCC_PLLP_DIV_15 (RCC_PLLCFGR_PLLPDIV_0|RCC_PLLCFGR_PLLPDIV_1|RCC_PLLCFGR_PLLPDIV_2|RCC_PLLCFGR_PLLPDIV_3) /*!< Main PLL division factor for PLLP output by 15 */
  712. #define LL_RCC_PLLP_DIV_16 (RCC_PLLCFGR_PLLPDIV_4) /*!< Main PLL division factor for PLLP output by 16 */
  713. #define LL_RCC_PLLP_DIV_17 (RCC_PLLCFGR_PLLPDIV_0|RCC_PLLCFGR_PLLPDIV_4) /*!< Main PLL division factor for PLLP output by 17 */
  714. #define LL_RCC_PLLP_DIV_18 (RCC_PLLCFGR_PLLPDIV_1|RCC_PLLCFGR_PLLPDIV_4) /*!< Main PLL division factor for PLLP output by 18 */
  715. #define LL_RCC_PLLP_DIV_19 (RCC_PLLCFGR_PLLPDIV_0|RCC_PLLCFGR_PLLPDIV_1|RCC_PLLCFGR_PLLPDIV_4)) /*!< Main PLL division factor for PLLP output by 19 */
  716. #define LL_RCC_PLLP_DIV_20 (RCC_PLLCFGR_PLLPDIV_2|RCC_PLLCFGR_PLLPDIV_4) /*!< Main PLL division factor for PLLP output by 20 */
  717. #define LL_RCC_PLLP_DIV_21 (RCC_PLLCFGR_PLLPDIV_0|RCC_PLLCFGR_PLLPDIV_2|RCC_PLLCFGR_PLLPDIV_4) /*!< Main PLL division factor for PLLP output by 21 */
  718. #define LL_RCC_PLLP_DIV_22 (RCC_PLLCFGR_PLLPDIV_1|RCC_PLLCFGR_PLLPDIV_2|RCC_PLLCFGR_PLLPDIV_4) /*!< Main PLL division factor for PLLP output by 22 */
  719. #define LL_RCC_PLLP_DIV_23 (RCC_PLLCFGR_PLLPDIV_0|RCC_PLLCFGR_PLLPDIV_1|RCC_PLLCFGR_PLLPDIV_2|RCC_PLLCFGR_PLLPDIV_4) /*!< Main PLL division factor for PLLP output by 23 */
  720. #define LL_RCC_PLLP_DIV_24 (RCC_PLLCFGR_PLLPDIV_3|RCC_PLLCFGR_PLLPDIV_4) /*!< Main PLL division factor for PLLP output by 24 */
  721. #define LL_RCC_PLLP_DIV_25 (RCC_PLLCFGR_PLLPDIV_0|RCC_PLLCFGR_PLLPDIV_3|RCC_PLLCFGR_PLLPDIV_4) /*!< Main PLL division factor for PLLP output by 25 */
  722. #define LL_RCC_PLLP_DIV_26 (RCC_PLLCFGR_PLLPDIV_1|RCC_PLLCFGR_PLLPDIV_3|RCC_PLLCFGR_PLLPDIV_4) /*!< Main PLL division factor for PLLP output by 26 */
  723. #define LL_RCC_PLLP_DIV_27 (RCC_PLLCFGR_PLLPDIV_0|RCC_PLLCFGR_PLLPDIV_1|RCC_PLLCFGR_PLLPDIV_3|RCC_PLLCFGR_PLLPDIV_4) /*!< Main PLL division factor for PLLP output by 27 */
  724. #define LL_RCC_PLLP_DIV_28 (RCC_PLLCFGR_PLLPDIV_2|RCC_PLLCFGR_PLLPDIV_3|RCC_PLLCFGR_PLLPDIV_4) /*!< Main PLL division factor for PLLP output by 28 */
  725. #define LL_RCC_PLLP_DIV_29 (RCC_PLLCFGR_PLLPDIV_0|RCC_PLLCFGR_PLLPDIV_2|RCC_PLLCFGR_PLLPDIV_3|RCC_PLLCFGR_PLLPDIV_4) /*!< Main PLL division factor for PLLP output by 29 */
  726. #define LL_RCC_PLLP_DIV_30 (RCC_PLLCFGR_PLLPDIV_1|RCC_PLLCFGR_PLLPDIV_2|RCC_PLLCFGR_PLLPDIV_3|RCC_PLLCFGR_PLLPDIV_4) /*!< Main PLL division factor for PLLP output by 30 */
  727. #define LL_RCC_PLLP_DIV_31 (RCC_PLLCFGR_PLLPDIV_0|RCC_PLLCFGR_PLLPDIV_1|RCC_PLLCFGR_PLLPDIV_2|RCC_PLLCFGR_PLLPDIV_3|RCC_PLLCFGR_PLLPDIV_4) /*!< Main PLL division factor for PLLP output by 31 */
  728. #else
  729. #define LL_RCC_PLLP_DIV_7 0x00000000U /*!< Main PLL division factor for PLLP output by 7 */
  730. #define LL_RCC_PLLP_DIV_17 (RCC_PLLCFGR_PLLP) /*!< Main PLL division factor for PLLP output by 17 */
  731. #endif /* RCC_PLLP_DIV_2_31_SUPPORT */
  732. /**
  733. * @}
  734. */
  735. /** @defgroup RCC_LL_EC_PLLQ_DIV PLL division factor (PLLQ)
  736. * @{
  737. */
  738. #define LL_RCC_PLLQ_DIV_2 0x00000000U /*!< Main PLL division factor for PLLQ output by 2 */
  739. #define LL_RCC_PLLQ_DIV_4 (RCC_PLLCFGR_PLLQ_0) /*!< Main PLL division factor for PLLQ output by 4 */
  740. #define LL_RCC_PLLQ_DIV_6 (RCC_PLLCFGR_PLLQ_1) /*!< Main PLL division factor for PLLQ output by 6 */
  741. #define LL_RCC_PLLQ_DIV_8 (RCC_PLLCFGR_PLLQ) /*!< Main PLL division factor for PLLQ output by 8 */
  742. /**
  743. * @}
  744. */
  745. /** @defgroup RCC_LL_EC_PLLSAI1Q PLLSAI1 division factor (PLLSAI1Q)
  746. * @{
  747. */
  748. #define LL_RCC_PLLSAI1Q_DIV_2 0x00000000U /*!< PLLSAI1 division factor for PLLSAI1Q output by 2 */
  749. #define LL_RCC_PLLSAI1Q_DIV_4 (RCC_PLLSAI1CFGR_PLLSAI1Q_0) /*!< PLLSAI1 division factor for PLLSAI1Q output by 4 */
  750. #define LL_RCC_PLLSAI1Q_DIV_6 (RCC_PLLSAI1CFGR_PLLSAI1Q_1) /*!< PLLSAI1 division factor for PLLSAI1Q output by 6 */
  751. #define LL_RCC_PLLSAI1Q_DIV_8 (RCC_PLLSAI1CFGR_PLLSAI1Q) /*!< PLLSAI1 division factor for PLLSAI1Q output by 8 */
  752. /**
  753. * @}
  754. */
  755. /** @defgroup RCC_LL_EC_PLLSAI1P PLLSAI1 division factor (PLLSAI1P)
  756. * @{
  757. */
  758. #if defined(RCC_PLLSAI1P_DIV_2_31_SUPPORT)
  759. #define LL_RCC_PLLSAI1P_DIV_2 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_1) /*!< PLLSAI1 division factor for PLLSAI1P output by 2 */
  760. #define LL_RCC_PLLSAI1P_DIV_3 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_0|RCC_PLLSAI1CFGR_PLLSAI1PDIV_1) /*!< PLLSAI1 division factor for PLLSAI1P output by 3 */
  761. #define LL_RCC_PLLSAI1P_DIV_4 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_2) /*!< PLLSAI1 division factor for PLLSAI1P output by 4 */
  762. #define LL_RCC_PLLSAI1P_DIV_5 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_0|RCC_PLLSAI1CFGR_PLLSAI1PDIV_2) /*!< PLLSAI1 division factor for PLLSAI1P output by 5 */
  763. #define LL_RCC_PLLSAI1P_DIV_6 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_1|RCC_PLLSAI1CFGR_PLLSAI1PDIV_2) /*!< PLLSAI1 division factor for PLLSAI1P output by 6 */
  764. #define LL_RCC_PLLSAI1P_DIV_7 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_0|RCC_PLLSAI1CFGR_PLLSAI1PDIV_1|RCC_PLLSAI1CFGR_PLLSAI1PDIV_2) /*!< PLLSAI1 division factor for PLLSAI1P output by 7 */
  765. #define LL_RCC_PLLSAI1P_DIV_8 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_3) /*!< PLLSAI1 division factor for PLLSAI1P output by 8 */
  766. #define LL_RCC_PLLSAI1P_DIV_9 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_0|RCC_PLLSAI1CFGR_PLLSAI1PDIV_3) /*!< PLLSAI1 division factor for PLLSAI1P output by 9 */
  767. #define LL_RCC_PLLSAI1P_DIV_10 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_1|RCC_PLLSAI1CFGR_PLLSAI1PDIV_3) /*!< PLLSAI1 division factor for PLLSAI1P output by 10 */
  768. #define LL_RCC_PLLSAI1P_DIV_11 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_0|RCC_PLLSAI1CFGR_PLLSAI1PDIV_1|RCC_PLLSAI1CFGR_PLLSAI1PDIV_3)) /*!< PLLSAI1 division factor for PLLSAI1P output by 1 */
  769. #define LL_RCC_PLLSAI1P_DIV_12 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_2|RCC_PLLSAI1CFGR_PLLSAI1PDIV_3) /*!< PLLSAI1 division factor for PLLSAI1P output by 12 */
  770. #define LL_RCC_PLLSAI1P_DIV_13 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_0|RCC_PLLSAI1CFGR_PLLSAI1PDIV_2|RCC_PLLSAI1CFGR_PLLSAI1PDIV_3) /*!< PLLSAI1 division factor for PLLSAI1P output by 13 */
  771. #define LL_RCC_PLLSAI1P_DIV_14 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_1|RCC_PLLSAI1CFGR_PLLSAI1PDIV_2|RCC_PLLSAI1CFGR_PLLSAI1PDIV_3) /*!< PLLSAI1 division factor for PLLSAI1P output by 14 */
  772. #define LL_RCC_PLLSAI1P_DIV_15 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_0|RCC_PLLSAI1CFGR_PLLSAI1PDIV_1|RCC_PLLSAI1CFGR_PLLSAI1PDIV_2|RCC_PLLSAI1CFGR_PLLSAI1PDIV_3) /*!< PLLSAI1 division factor for PLLSAI1P output by 15 */
  773. #define LL_RCC_PLLSAI1P_DIV_16 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_4) /*!< PLLSAI1 division factor for PLLSAI1P output by 16 */
  774. #define LL_RCC_PLLSAI1P_DIV_17 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_0|RCC_PLLSAI1CFGR_PLLSAI1PDIV_4) /*!< PLLSAI1 division factor for PLLSAI1P output by 17 */
  775. #define LL_RCC_PLLSAI1P_DIV_18 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_1|RCC_PLLSAI1CFGR_PLLSAI1PDIV_4) /*!< PLLSAI1 division factor for PLLSAI1P output by 18 */
  776. #define LL_RCC_PLLSAI1P_DIV_19 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_0|RCC_PLLSAI1CFGR_PLLSAI1PDIV_1|RCC_PLLSAI1CFGR_PLLSAI1PDIV_4)) /*!< PLLSAI1 division factor for PLLSAI1P output by 19 */
  777. #define LL_RCC_PLLSAI1P_DIV_20 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_2|RCC_PLLSAI1CFGR_PLLSAI1PDIV_4) /*!< PLLSAI1 division factor for PLLSAI1P output by 20 */
  778. #define LL_RCC_PLLSAI1P_DIV_21 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_0|RCC_PLLSAI1CFGR_PLLSAI1PDIV_2|RCC_PLLSAI1CFGR_PLLSAI1PDIV_4) /*!< PLLSAI1 division fctor for PLLSAI1P output by 21 */
  779. #define LL_RCC_PLLSAI1P_DIV_22 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_1|RCC_PLLSAI1CFGR_PLLSAI1PDIV_2|RCC_PLLSAI1CFGR_PLLSAI1PDIV_4) /*!< PLLSAI1 division factor for PLLSAI1P output by 22 */
  780. #define LL_RCC_PLLSAI1P_DIV_23 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_0|RCC_PLLSAI1CFGR_PLLSAI1PDIV_1|RCC_PLLSAI1CFGR_PLLSAI1PDIV_2|RCC_PLLSAI1CFGR_PLLSAI1PDIV_4) /*!< PLLSAI1 division factor for PLLSAI1P output by 23 */
  781. #define LL_RCC_PLLSAI1P_DIV_24 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_3|RCC_PLLSAI1CFGR_PLLSAI1PDIV_4) /*!< PLLSAI1 division factor for PLLSAI1P output by 24 */
  782. #define LL_RCC_PLLSAI1P_DIV_25 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_0|RCC_PLLSAI1CFGR_PLLSAI1PDIV_3|RCC_PLLSAI1CFGR_PLLSAI1PDIV_4) /*!< PLLSAI1 division factor for PLLSAI1P output by 25 */
  783. #define LL_RCC_PLLSAI1P_DIV_26 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_1|RCC_PLLSAI1CFGR_PLLSAI1PDIV_3|RCC_PLLSAI1CFGR_PLLSAI1PDIV_4) /*!< PLLSAI1 division factor for PLLSAI1P output by 26 */
  784. #define LL_RCC_PLLSAI1P_DIV_27 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_0|RCC_PLLSAI1CFGR_PLLSAI1PDIV_1|RCC_PLLSAI1CFGR_PLLSAI1PDIV_3|RCC_PLLSAI1CFGR_PLLSAI1PDIV_4) /*!< PLLSAI1 division factor for PLLSAI1P output by 27 */
  785. #define LL_RCC_PLLSAI1P_DIV_28 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_2|RCC_PLLSAI1CFGR_PLLSAI1PDIV_3|RCC_PLLSAI1CFGR_PLLSAI1PDIV_4) /*!< PLLSAI1 division factor for PLLSAI1P output by 28 */
  786. #define LL_RCC_PLLSAI1P_DIV_29 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_0|RCC_PLLSAI1CFGR_PLLSAI1PDIV_2|RCC_PLLSAI1CFGR_PLLSAI1PDIV_3|RCC_PLLSAI1CFGR_PLLSAI1PDIV_4) /*!< PLLSAI1 division factor for PLLSAI1P output by 29 */
  787. #define LL_RCC_PLLSAI1P_DIV_30 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_1|RCC_PLLSAI1CFGR_PLLSAI1PDIV_2|RCC_PLLSAI1CFGR_PLLSAI1PDIV_3|RCC_PLLSAI1CFGR_PLLSAI1PDIV_4) /*!< PLLSAI1 division factor for PLLSAI1P output by 30 */
  788. #define LL_RCC_PLLSAI1P_DIV_31 (RCC_PLLSAI1CFGR_PLLSAI1PDIV_0|RCC_PLLSAI1CFGR_PLLSAI1PDIV_1|RCC_PLLSAI1CFGR_PLLSAI1PDIV_2|RCC_PLLSAI1CFGR_PLLSAI1PDIV_3|RCC_PLLSAI1CFGR_PLLSAI1PDIV_4) /*!< PLLSAI1 division factor for PLLSAI1P output by 31 */
  789. #else
  790. #define LL_RCC_PLLSAI1P_DIV_7 0x00000000U /*!< PLLSAI1 division factor for PLLSAI1P output by 7 */
  791. #define LL_RCC_PLLSAI1P_DIV_17 (RCC_PLLSAI1CFGR_PLLSAI1P) /*!< PLLSAI1 division factor for PLLSAI1P output by 17 */
  792. #endif /* RCC_PLLSAI1P_DIV_2_31_SUPPORT */
  793. /**
  794. * @}
  795. */
  796. /** @defgroup RCC_LL_EC_PLLSAI1R PLLSAI1 division factor (PLLSAI1R)
  797. * @{
  798. */
  799. #define LL_RCC_PLLSAI1R_DIV_2 0x00000000U /*!< PLLSAI1 division factor for PLLSAI1R output by 2 */
  800. #define LL_RCC_PLLSAI1R_DIV_4 (RCC_PLLSAI1CFGR_PLLSAI1R_0) /*!< PLLSAI1 division factor for PLLSAI1R output by 4 */
  801. #define LL_RCC_PLLSAI1R_DIV_6 (RCC_PLLSAI1CFGR_PLLSAI1R_1) /*!< PLLSAI1 division factor for PLLSAI1R output by 6 */
  802. #define LL_RCC_PLLSAI1R_DIV_8 (RCC_PLLSAI1CFGR_PLLSAI1R) /*!< PLLSAI1 division factor for PLLSAI1R output by 8 */
  803. /**
  804. * @}
  805. */
  806. #if defined(RCC_PLLSAI2_SUPPORT)
  807. /** @defgroup RCC_LL_EC_PLLSAI2P PLLSAI2 division factor (PLLSAI2P)
  808. * @{
  809. */
  810. #define LL_RCC_PLLSAI2P_DIV_7 0x00000000U /*!< PLLSAI2 division factor for PLLSAI2P output by 7 */
  811. #define LL_RCC_PLLSAI2P_DIV_17 (RCC_PLLSAI2CFGR_PLLSAI2P) /*!< PLLSAI2 division factor for PLLSAI2P output by 17 */
  812. /**
  813. * @}
  814. */
  815. /** @defgroup RCC_LL_EC_PLLSAI2R PLLSAI2 division factor (PLLSAI2R)
  816. * @{
  817. */
  818. #define LL_RCC_PLLSAI2R_DIV_2 0x00000000U /*!< PLLSAI2 division factor for PLLSAI2R output by 2 */
  819. #define LL_RCC_PLLSAI2R_DIV_4 (RCC_PLLSAI2CFGR_PLLSAI2R_0) /*!< PLLSAI2 division factor for PLLSAI2R output by 4 */
  820. #define LL_RCC_PLLSAI2R_DIV_6 (RCC_PLLSAI2CFGR_PLLSAI2R_1) /*!< PLLSAI2 division factor for PLLSAI2R output by 6 */
  821. #define LL_RCC_PLLSAI2R_DIV_8 (RCC_PLLSAI2CFGR_PLLSAI2R) /*!< PLLSAI2 division factor for PLLSAI2R output by 8 */
  822. /**
  823. * @}
  824. */
  825. #endif /* RCC_PLLSAI2_SUPPORT */
  826. /** @defgroup RCC_LL_EC_MSIRANGESEL MSI clock range selection
  827. * @{
  828. */
  829. #define LL_RCC_MSIRANGESEL_STANDBY 0U /*!< MSI Range is provided by MSISRANGE */
  830. #define LL_RCC_MSIRANGESEL_RUN 1U /*!< MSI Range is provided by MSIRANGE */
  831. /**
  832. * @}
  833. */
  834. /** Legacy definitions for compatibility purpose
  835. @cond 0
  836. */
  837. #if defined(DFSDM1_Channel0)
  838. #define LL_RCC_DFSDM1_CLKSOURCE_PCLK LL_RCC_DFSDM1_CLKSOURCE_PCLK2
  839. #define LL_RCC_DFSDM_CLKSOURCE_PCLK LL_RCC_DFSDM1_CLKSOURCE_PCLK2
  840. #define LL_RCC_DFSDM_CLKSOURCE_SYSCLK LL_RCC_DFSDM1_CLKSOURCE_SYSCLK
  841. #define LL_RCC_DFSDM_CLKSOURCE LL_RCC_DFSDM1_CLKSOURCE
  842. #endif /* DFSDM1_Channel0 */
  843. #if defined(SWPMI1)
  844. #define LL_RCC_SWPMI1_CLKSOURCE_PCLK LL_RCC_SWPMI1_CLKSOURCE_PCLK1
  845. #endif /* SWPMI1 */
  846. /**
  847. @endcond
  848. */
  849. /**
  850. * @}
  851. */
  852. /* Exported macro ------------------------------------------------------------*/
  853. /** @defgroup RCC_LL_Exported_Macros RCC Exported Macros
  854. * @{
  855. */
  856. /** @defgroup RCC_LL_EM_WRITE_READ Common Write and read registers Macros
  857. * @{
  858. */
  859. /**
  860. * @brief Write a value in RCC register
  861. * @param __REG__ Register to be written
  862. * @param __VALUE__ Value to be written in the register
  863. * @retval None
  864. */
  865. #define LL_RCC_WriteReg(__REG__, __VALUE__) WRITE_REG(RCC->__REG__, (__VALUE__))
  866. /**
  867. * @brief Read a value in RCC register
  868. * @param __REG__ Register to be read
  869. * @retval Register value
  870. */
  871. #define LL_RCC_ReadReg(__REG__) READ_REG(RCC->__REG__)
  872. /**
  873. * @}
  874. */
  875. /** @defgroup RCC_LL_EM_CALC_FREQ Calculate frequencies
  876. * @{
  877. */
  878. /**
  879. * @brief Helper macro to calculate the PLLCLK frequency on system domain
  880. * @note ex: @ref __LL_RCC_CALC_PLLCLK_FREQ (HSE_VALUE,@ref LL_RCC_PLL_GetDivider (),
  881. * @ref LL_RCC_PLL_GetN (), @ref LL_RCC_PLL_GetR ());
  882. * @param __INPUTFREQ__ PLL Input frequency (based on MSI/HSE/HSI)
  883. * @param __PLLM__ This parameter can be one of the following values:
  884. * @arg @ref LL_RCC_PLLM_DIV_1
  885. * @arg @ref LL_RCC_PLLM_DIV_2
  886. * @arg @ref LL_RCC_PLLM_DIV_3
  887. * @arg @ref LL_RCC_PLLM_DIV_4
  888. * @arg @ref LL_RCC_PLLM_DIV_5
  889. * @arg @ref LL_RCC_PLLM_DIV_6
  890. * @arg @ref LL_RCC_PLLM_DIV_7
  891. * @arg @ref LL_RCC_PLLM_DIV_8
  892. * @param __PLLN__ Between 8 and 86
  893. * @param __PLLR__ This parameter can be one of the following values:
  894. * @arg @ref LL_RCC_PLLR_DIV_2
  895. * @arg @ref LL_RCC_PLLR_DIV_4
  896. * @arg @ref LL_RCC_PLLR_DIV_6
  897. * @arg @ref LL_RCC_PLLR_DIV_8
  898. * @retval PLL clock frequency (in Hz)
  899. */
  900. #define __LL_RCC_CALC_PLLCLK_FREQ(__INPUTFREQ__, __PLLM__, __PLLN__, __PLLR__) ((__INPUTFREQ__) / ((((__PLLM__)>> RCC_PLLCFGR_PLLM_Pos) + 1U)) * (__PLLN__) / \
  901. ((((__PLLR__) >> RCC_PLLCFGR_PLLR_Pos) + 1U) * 2U))
  902. #if defined(RCC_PLLP_DIV_2_31_SUPPORT)
  903. /**
  904. * @brief Helper macro to calculate the PLLCLK frequency used on SAI domain
  905. * @note ex: @ref __LL_RCC_CALC_PLLCLK_SAI_FREQ (HSE_VALUE,@ref LL_RCC_PLL_GetDivider (),
  906. * @ref LL_RCC_PLL_GetN (), @ref LL_RCC_PLL_GetP ());
  907. * @param __INPUTFREQ__ PLL Input frequency (based on MSI/HSE/HSI)
  908. * @param __PLLM__ This parameter can be one of the following values:
  909. * @arg @ref LL_RCC_PLLM_DIV_1
  910. * @arg @ref LL_RCC_PLLM_DIV_2
  911. * @arg @ref LL_RCC_PLLM_DIV_3
  912. * @arg @ref LL_RCC_PLLM_DIV_4
  913. * @arg @ref LL_RCC_PLLM_DIV_5
  914. * @arg @ref LL_RCC_PLLM_DIV_6
  915. * @arg @ref LL_RCC_PLLM_DIV_7
  916. * @arg @ref LL_RCC_PLLM_DIV_8
  917. * @param __PLLN__ Between 8 and 86
  918. * @param __PLLP__ This parameter can be one of the following values:
  919. * @arg @ref LL_RCC_PLLP_DIV_2
  920. * @arg @ref LL_RCC_PLLP_DIV_3
  921. * @arg @ref LL_RCC_PLLP_DIV_4
  922. * @arg @ref LL_RCC_PLLP_DIV_5
  923. * @arg @ref LL_RCC_PLLP_DIV_6
  924. * @arg @ref LL_RCC_PLLP_DIV_7
  925. * @arg @ref LL_RCC_PLLP_DIV_8
  926. * @arg @ref LL_RCC_PLLP_DIV_9
  927. * @arg @ref LL_RCC_PLLP_DIV_10
  928. * @arg @ref LL_RCC_PLLP_DIV_11
  929. * @arg @ref LL_RCC_PLLP_DIV_12
  930. * @arg @ref LL_RCC_PLLP_DIV_13
  931. * @arg @ref LL_RCC_PLLP_DIV_14
  932. * @arg @ref LL_RCC_PLLP_DIV_15
  933. * @arg @ref LL_RCC_PLLP_DIV_16
  934. * @arg @ref LL_RCC_PLLP_DIV_17
  935. * @arg @ref LL_RCC_PLLP_DIV_18
  936. * @arg @ref LL_RCC_PLLP_DIV_19
  937. * @arg @ref LL_RCC_PLLP_DIV_20
  938. * @arg @ref LL_RCC_PLLP_DIV_21
  939. * @arg @ref LL_RCC_PLLP_DIV_22
  940. * @arg @ref LL_RCC_PLLP_DIV_23
  941. * @arg @ref LL_RCC_PLLP_DIV_24
  942. * @arg @ref LL_RCC_PLLP_DIV_25
  943. * @arg @ref LL_RCC_PLLP_DIV_26
  944. * @arg @ref LL_RCC_PLLP_DIV_27
  945. * @arg @ref LL_RCC_PLLP_DIV_28
  946. * @arg @ref LL_RCC_PLLP_DIV_29
  947. * @arg @ref LL_RCC_PLLP_DIV_30
  948. * @arg @ref LL_RCC_PLLP_DIV_31
  949. * @retval PLL clock frequency (in Hz)
  950. */
  951. #define __LL_RCC_CALC_PLLCLK_SAI_FREQ(__INPUTFREQ__, __PLLM__, __PLLN__, __PLLP__) ((__INPUTFREQ__) / ((((__PLLM__)>> RCC_PLLCFGR_PLLM_Pos) + 1U)) * (__PLLN__) / \
  952. ((__PLLP__) >> RCC_PLLCFGR_PLLP_Pos))
  953. #else
  954. /**
  955. * @brief Helper macro to calculate the PLLCLK frequency used on SAI domain
  956. * @note ex: @ref __LL_RCC_CALC_PLLCLK_SAI_FREQ (HSE_VALUE,@ref LL_RCC_PLL_GetDivider (),
  957. * @ref LL_RCC_PLL_GetN (), @ref LL_RCC_PLL_GetP ());
  958. * @param __INPUTFREQ__ PLL Input frequency (based on MSI/HSE/HSI)
  959. * @param __PLLM__ This parameter can be one of the following values:
  960. * @arg @ref LL_RCC_PLLM_DIV_1
  961. * @arg @ref LL_RCC_PLLM_DIV_2
  962. * @arg @ref LL_RCC_PLLM_DIV_3
  963. * @arg @ref LL_RCC_PLLM_DIV_4
  964. * @arg @ref LL_RCC_PLLM_DIV_5
  965. * @arg @ref LL_RCC_PLLM_DIV_6
  966. * @arg @ref LL_RCC_PLLM_DIV_7
  967. * @arg @ref LL_RCC_PLLM_DIV_8
  968. * @param __PLLN__ Between 8 and 86
  969. * @param __PLLP__ This parameter can be one of the following values:
  970. * @arg @ref LL_RCC_PLLP_DIV_7
  971. * @arg @ref LL_RCC_PLLP_DIV_17
  972. * @retval PLL clock frequency (in Hz)
  973. */
  974. #define __LL_RCC_CALC_PLLCLK_SAI_FREQ(__INPUTFREQ__, __PLLM__, __PLLN__, __PLLP__) ((__INPUTFREQ__) / ((((__PLLM__)>> RCC_PLLCFGR_PLLM_Pos) + 1U)) * (__PLLN__) / \
  975. (((__PLLP__) == LL_RCC_PLLP_DIV_7) ? 7U : 17U))
  976. #endif /* RCC_PLLP_DIV_2_31_SUPPORT */
  977. /**
  978. * @brief Helper macro to calculate the PLLCLK frequency used on 48M domain
  979. * @note ex: @ref __LL_RCC_CALC_PLLCLK_48M_FREQ (HSE_VALUE,@ref LL_RCC_PLL_GetDivider (),
  980. * @ref LL_RCC_PLL_GetN (), @ref LL_RCC_PLL_GetQ ());
  981. * @param __INPUTFREQ__ PLL Input frequency (based on MSI/HSE/HSI)
  982. * @param __PLLM__ This parameter can be one of the following values:
  983. * @arg @ref LL_RCC_PLLM_DIV_1
  984. * @arg @ref LL_RCC_PLLM_DIV_2
  985. * @arg @ref LL_RCC_PLLM_DIV_3
  986. * @arg @ref LL_RCC_PLLM_DIV_4
  987. * @arg @ref LL_RCC_PLLM_DIV_5
  988. * @arg @ref LL_RCC_PLLM_DIV_6
  989. * @arg @ref LL_RCC_PLLM_DIV_7
  990. * @arg @ref LL_RCC_PLLM_DIV_8
  991. * @param __PLLN__ Between 8 and 86
  992. * @param __PLLQ__ This parameter can be one of the following values:
  993. * @arg @ref LL_RCC_PLLQ_DIV_2
  994. * @arg @ref LL_RCC_PLLQ_DIV_4
  995. * @arg @ref LL_RCC_PLLQ_DIV_6
  996. * @arg @ref LL_RCC_PLLQ_DIV_8
  997. * @retval PLL clock frequency (in Hz)
  998. */
  999. #define __LL_RCC_CALC_PLLCLK_48M_FREQ(__INPUTFREQ__, __PLLM__, __PLLN__, __PLLQ__) ((__INPUTFREQ__) / ((((__PLLM__)>> RCC_PLLCFGR_PLLM_Pos) + 1U)) * (__PLLN__) / \
  1000. ((((__PLLQ__) >> RCC_PLLCFGR_PLLQ_Pos) + 1U) << 1U))
  1001. #if defined(RCC_PLLSAI1P_DIV_2_31_SUPPORT)
  1002. /**
  1003. * @brief Helper macro to calculate the PLLSAI1 frequency used for SAI domain
  1004. * @note ex: @ref __LL_RCC_CALC_PLLSAI1_SAI_FREQ (HSE_VALUE,@ref LL_RCC_PLL_GetDivider (),
  1005. * @ref LL_RCC_PLLSAI1_GetN (), @ref LL_RCC_PLLSAI1_GetP ());
  1006. * @param __INPUTFREQ__ PLL Input frequency (based on MSI/HSE/HSI)
  1007. * @param __PLLM__ This parameter can be one of the following values:
  1008. * @arg @ref LL_RCC_PLLM_DIV_1
  1009. * @arg @ref LL_RCC_PLLM_DIV_2
  1010. * @arg @ref LL_RCC_PLLM_DIV_3
  1011. * @arg @ref LL_RCC_PLLM_DIV_4
  1012. * @arg @ref LL_RCC_PLLM_DIV_5
  1013. * @arg @ref LL_RCC_PLLM_DIV_6
  1014. * @arg @ref LL_RCC_PLLM_DIV_7
  1015. * @arg @ref LL_RCC_PLLM_DIV_8
  1016. * @param __PLLSAI1N__ Between 8 and 86
  1017. * @param __PLLSAI1P__ This parameter can be one of the following values:
  1018. * @arg @ref LL_RCC_PLLSAI1P_DIV_2
  1019. * @arg @ref LL_RCC_PLLSAI1P_DIV_3
  1020. * @arg @ref LL_RCC_PLLSAI1P_DIV_4
  1021. * @arg @ref LL_RCC_PLLSAI1P_DIV_5
  1022. * @arg @ref LL_RCC_PLLSAI1P_DIV_6
  1023. * @arg @ref LL_RCC_PLLSAI1P_DIV_7
  1024. * @arg @ref LL_RCC_PLLSAI1P_DIV_8
  1025. * @arg @ref LL_RCC_PLLSAI1P_DIV_9
  1026. * @arg @ref LL_RCC_PLLSAI1P_DIV_10
  1027. * @arg @ref LL_RCC_PLLSAI1P_DIV_11
  1028. * @arg @ref LL_RCC_PLLSAI1P_DIV_12
  1029. * @arg @ref LL_RCC_PLLSAI1P_DIV_13
  1030. * @arg @ref LL_RCC_PLLSAI1P_DIV_14
  1031. * @arg @ref LL_RCC_PLLSAI1P_DIV_15
  1032. * @arg @ref LL_RCC_PLLSAI1P_DIV_16
  1033. * @arg @ref LL_RCC_PLLSAI1P_DIV_17
  1034. * @arg @ref LL_RCC_PLLSAI1P_DIV_18
  1035. * @arg @ref LL_RCC_PLLSAI1P_DIV_19
  1036. * @arg @ref LL_RCC_PLLSAI1P_DIV_20
  1037. * @arg @ref LL_RCC_PLLSAI1P_DIV_21
  1038. * @arg @ref LL_RCC_PLLSAI1P_DIV_22
  1039. * @arg @ref LL_RCC_PLLSAI1P_DIV_23
  1040. * @arg @ref LL_RCC_PLLSAI1P_DIV_24
  1041. * @arg @ref LL_RCC_PLLSAI1P_DIV_25
  1042. * @arg @ref LL_RCC_PLLSAI1P_DIV_26
  1043. * @arg @ref LL_RCC_PLLSAI1P_DIV_27
  1044. * @arg @ref LL_RCC_PLLSAI1P_DIV_28
  1045. * @arg @ref LL_RCC_PLLSAI1P_DIV_29
  1046. * @arg @ref LL_RCC_PLLSAI1P_DIV_30
  1047. * @arg @ref LL_RCC_PLLSAI1P_DIV_31
  1048. * @retval PLLSAI1 clock frequency (in Hz)
  1049. */
  1050. #define __LL_RCC_CALC_PLLSAI1_SAI_FREQ(__INPUTFREQ__, __PLLM__, __PLLSAI1N__, __PLLSAI1P__) \
  1051. ((__INPUTFREQ__) / ((((__PLLM__)>> RCC_PLLCFGR_PLLM_Pos) + 1U)) * (__PLLSAI1N__) / \
  1052. ((__PLLSAI1P__) >> RCC_PLLSAI1CFGR_PLLSAI1P_Pos))
  1053. #else
  1054. /**
  1055. * @brief Helper macro to calculate the PLLSAI1 frequency used for SAI domain
  1056. * @note ex: @ref __LL_RCC_CALC_PLLSAI1_SAI_FREQ (HSE_VALUE,@ref LL_RCC_PLL_GetDivider (),
  1057. * @ref LL_RCC_PLLSAI1_GetN (), @ref LL_RCC_PLLSAI1_GetP ());
  1058. * @param __INPUTFREQ__ PLL Input frequency (based on MSI/HSE/HSI)
  1059. * @param __PLLM__ This parameter can be one of the following values:
  1060. * @arg @ref LL_RCC_PLLM_DIV_1
  1061. * @arg @ref LL_RCC_PLLM_DIV_2
  1062. * @arg @ref LL_RCC_PLLM_DIV_3
  1063. * @arg @ref LL_RCC_PLLM_DIV_4
  1064. * @arg @ref LL_RCC_PLLM_DIV_5
  1065. * @arg @ref LL_RCC_PLLM_DIV_6
  1066. * @arg @ref LL_RCC_PLLM_DIV_7
  1067. * @arg @ref LL_RCC_PLLM_DIV_8
  1068. * @param __PLLSAI1N__ Between 8 and 86
  1069. * @param __PLLSAI1P__ This parameter can be one of the following values:
  1070. * @arg @ref LL_RCC_PLLSAI1P_DIV_7
  1071. * @arg @ref LL_RCC_PLLSAI1P_DIV_17
  1072. * @retval PLLSAI1 clock frequency (in Hz)
  1073. */
  1074. #define __LL_RCC_CALC_PLLSAI1_SAI_FREQ(__INPUTFREQ__, __PLLM__, __PLLSAI1N__, __PLLSAI1P__) \
  1075. ((__INPUTFREQ__) / ((((__PLLM__)>> RCC_PLLCFGR_PLLM_Pos) + 1U)) * (__PLLSAI1N__) / \
  1076. (((__PLLSAI1P__) == LL_RCC_PLLSAI1P_DIV_7) ? 7U : 17U))
  1077. #endif /* RCC_PLLSAI1P_DIV_2_31_SUPPORT */
  1078. /**
  1079. * @brief Helper macro to calculate the PLLSAI1 frequency used on 48M domain
  1080. * @note ex: @ref __LL_RCC_CALC_PLLSAI1_48M_FREQ (HSE_VALUE,@ref LL_RCC_PLL_GetDivider (),
  1081. * @ref LL_RCC_PLLSAI1_GetN (), @ref LL_RCC_PLLSAI1_GetQ ());
  1082. * @param __INPUTFREQ__ PLL Input frequency (based on MSI/HSE/HSI)
  1083. * @param __PLLM__ This parameter can be one of the following values:
  1084. * @arg @ref LL_RCC_PLLM_DIV_1
  1085. * @arg @ref LL_RCC_PLLM_DIV_2
  1086. * @arg @ref LL_RCC_PLLM_DIV_3
  1087. * @arg @ref LL_RCC_PLLM_DIV_4
  1088. * @arg @ref LL_RCC_PLLM_DIV_5
  1089. * @arg @ref LL_RCC_PLLM_DIV_6
  1090. * @arg @ref LL_RCC_PLLM_DIV_7
  1091. * @arg @ref LL_RCC_PLLM_DIV_8
  1092. * @param __PLLSAI1N__ Between 8 and 86
  1093. * @param __PLLSAI1Q__ This parameter can be one of the following values:
  1094. * @arg @ref LL_RCC_PLLSAI1Q_DIV_2
  1095. * @arg @ref LL_RCC_PLLSAI1Q_DIV_4
  1096. * @arg @ref LL_RCC_PLLSAI1Q_DIV_6
  1097. * @arg @ref LL_RCC_PLLSAI1Q_DIV_8
  1098. * @retval PLLSAI1 clock frequency (in Hz)
  1099. */
  1100. #define __LL_RCC_CALC_PLLSAI1_48M_FREQ(__INPUTFREQ__, __PLLM__, __PLLSAI1N__, __PLLSAI1Q__) \
  1101. ((__INPUTFREQ__) / ((((__PLLM__)>> RCC_PLLCFGR_PLLM_Pos) + 1U)) * (__PLLSAI1N__) / \
  1102. ((((__PLLSAI1Q__) >> RCC_PLLSAI1CFGR_PLLSAI1Q_Pos) + 1U) << 1U))
  1103. /**
  1104. * @brief Helper macro to calculate the PLLSAI1 frequency used on ADC domain
  1105. * @note ex: @ref __LL_RCC_CALC_PLLSAI1_ADC_FREQ (HSE_VALUE,@ref LL_RCC_PLL_GetDivider (),
  1106. * @ref LL_RCC_PLLSAI1_GetN (), @ref LL_RCC_PLLSAI1_GetR ());
  1107. * @param __INPUTFREQ__ PLL Input frequency (based on MSI/HSE/HSI)
  1108. * @param __PLLM__ This parameter can be one of the following values:
  1109. * @arg @ref LL_RCC_PLLM_DIV_1
  1110. * @arg @ref LL_RCC_PLLM_DIV_2
  1111. * @arg @ref LL_RCC_PLLM_DIV_3
  1112. * @arg @ref LL_RCC_PLLM_DIV_4
  1113. * @arg @ref LL_RCC_PLLM_DIV_5
  1114. * @arg @ref LL_RCC_PLLM_DIV_6
  1115. * @arg @ref LL_RCC_PLLM_DIV_7
  1116. * @arg @ref LL_RCC_PLLM_DIV_8
  1117. * @param __PLLSAI1N__ Between 8 and 86
  1118. * @param __PLLSAI1R__ This parameter can be one of the following values:
  1119. * @arg @ref LL_RCC_PLLSAI1R_DIV_2
  1120. * @arg @ref LL_RCC_PLLSAI1R_DIV_4
  1121. * @arg @ref LL_RCC_PLLSAI1R_DIV_6
  1122. * @arg @ref LL_RCC_PLLSAI1R_DIV_8
  1123. * @retval PLLSAI1 clock frequency (in Hz)
  1124. */
  1125. #define __LL_RCC_CALC_PLLSAI1_ADC_FREQ(__INPUTFREQ__, __PLLM__, __PLLSAI1N__, __PLLSAI1R__) \
  1126. ((__INPUTFREQ__) / ((((__PLLM__)>> RCC_PLLCFGR_PLLM_Pos) + 1U)) * (__PLLSAI1N__) / \
  1127. ((((__PLLSAI1R__) >> RCC_PLLSAI1CFGR_PLLSAI1R_Pos) + 1U) << 1U))
  1128. /**
  1129. * @brief Helper macro to calculate the PLLSAI2 frequency used for SAI domain
  1130. * @note ex: @ref __LL_RCC_CALC_PLLSAI2_SAI_FREQ (HSE_VALUE,@ref LL_RCC_PLL_GetDivider (),
  1131. * @ref LL_RCC_PLLSAI2_GetN (), @ref LL_RCC_PLLSAI2_GetP ());
  1132. * @param __INPUTFREQ__ PLL Input frequency (based on MSI/HSE/HSI)
  1133. * @param __PLLM__ This parameter can be one of the following values:
  1134. * @arg @ref LL_RCC_PLLM_DIV_1
  1135. * @arg @ref LL_RCC_PLLM_DIV_2
  1136. * @arg @ref LL_RCC_PLLM_DIV_3
  1137. * @arg @ref LL_RCC_PLLM_DIV_4
  1138. * @arg @ref LL_RCC_PLLM_DIV_5
  1139. * @arg @ref LL_RCC_PLLM_DIV_6
  1140. * @arg @ref LL_RCC_PLLM_DIV_7
  1141. * @arg @ref LL_RCC_PLLM_DIV_8
  1142. * @param __PLLSAI2N__ Between 8 and 86
  1143. * @param __PLLSAI2P__ This parameter can be one of the following values:
  1144. * @arg @ref LL_RCC_PLLSAI2P_DIV_7
  1145. * @arg @ref LL_RCC_PLLSAI2P_DIV_17
  1146. * @retval PLLSAI2 clock frequency (in Hz)
  1147. */
  1148. #define __LL_RCC_CALC_PLLSAI2_SAI_FREQ(__INPUTFREQ__, __PLLM__, __PLLSAI2N__, __PLLSAI2P__) \
  1149. ((__INPUTFREQ__) / ((((__PLLM__)>> RCC_PLLCFGR_PLLM_Pos) + 1)) * (__PLLSAI2N__) / \
  1150. (((__PLLSAI2P__) == LL_RCC_PLLSAI2P_DIV_7) ? 7U : 17U))
  1151. /**
  1152. * @brief Helper macro to calculate the PLLSAI2 frequency used on ADC domain
  1153. * @note ex: @ref __LL_RCC_CALC_PLLSAI2_ADC_FREQ (HSE_VALUE,@ref LL_RCC_PLL_GetDivider (),
  1154. * @ref LL_RCC_PLLSAI2_GetN (), @ref LL_RCC_PLLSAI2_GetR ());
  1155. * @param __INPUTFREQ__ PLL Input frequency (based on MSI/HSE/HSI)
  1156. * @param __PLLM__ This parameter can be one of the following values:
  1157. * @arg @ref LL_RCC_PLLM_DIV_1
  1158. * @arg @ref LL_RCC_PLLM_DIV_2
  1159. * @arg @ref LL_RCC_PLLM_DIV_3
  1160. * @arg @ref LL_RCC_PLLM_DIV_4
  1161. * @arg @ref LL_RCC_PLLM_DIV_5
  1162. * @arg @ref LL_RCC_PLLM_DIV_6
  1163. * @arg @ref LL_RCC_PLLM_DIV_7
  1164. * @arg @ref LL_RCC_PLLM_DIV_8
  1165. * @param __PLLSAI2N__ Between 8 and 86
  1166. * @param __PLLSAI2R__ This parameter can be one of the following values:
  1167. * @arg @ref LL_RCC_PLLSAI2R_DIV_2
  1168. * @arg @ref LL_RCC_PLLSAI2R_DIV_4
  1169. * @arg @ref LL_RCC_PLLSAI2R_DIV_6
  1170. * @arg @ref LL_RCC_PLLSAI2R_DIV_8
  1171. * @retval PLLSAI2 clock frequency (in Hz)
  1172. */
  1173. #define __LL_RCC_CALC_PLLSAI2_ADC_FREQ(__INPUTFREQ__, __PLLM__, __PLLSAI2N__, __PLLSAI2R__) \
  1174. ((__INPUTFREQ__) / ((((__PLLM__)>> RCC_PLLCFGR_PLLM_Pos) + 1U)) * (__PLLSAI2N__) / \
  1175. ((((__PLLSAI2R__) >> RCC_PLLSAI2CFGR_PLLSAI2R_Pos ) + 1U) << 1U))
  1176. /**
  1177. * @brief Helper macro to calculate the HCLK frequency
  1178. * @param __SYSCLKFREQ__ SYSCLK frequency (based on MSI/HSE/HSI/PLLCLK)
  1179. * @param __AHBPRESCALER__ This parameter can be one of the following values:
  1180. * @arg @ref LL_RCC_SYSCLK_DIV_1
  1181. * @arg @ref LL_RCC_SYSCLK_DIV_2
  1182. * @arg @ref LL_RCC_SYSCLK_DIV_4
  1183. * @arg @ref LL_RCC_SYSCLK_DIV_8
  1184. * @arg @ref LL_RCC_SYSCLK_DIV_16
  1185. * @arg @ref LL_RCC_SYSCLK_DIV_64
  1186. * @arg @ref LL_RCC_SYSCLK_DIV_128
  1187. * @arg @ref LL_RCC_SYSCLK_DIV_256
  1188. * @arg @ref LL_RCC_SYSCLK_DIV_512
  1189. * @retval HCLK clock frequency (in Hz)
  1190. */
  1191. #define __LL_RCC_CALC_HCLK_FREQ(__SYSCLKFREQ__, __AHBPRESCALER__) ((__SYSCLKFREQ__) >> AHBPrescTable[((__AHBPRESCALER__) & RCC_CFGR_HPRE) >> RCC_CFGR_HPRE_Pos])
  1192. /**
  1193. * @brief Helper macro to calculate the PCLK1 frequency (ABP1)
  1194. * @param __HCLKFREQ__ HCLK frequency
  1195. * @param __APB1PRESCALER__ This parameter can be one of the following values:
  1196. * @arg @ref LL_RCC_APB1_DIV_1
  1197. * @arg @ref LL_RCC_APB1_DIV_2
  1198. * @arg @ref LL_RCC_APB1_DIV_4
  1199. * @arg @ref LL_RCC_APB1_DIV_8
  1200. * @arg @ref LL_RCC_APB1_DIV_16
  1201. * @retval PCLK1 clock frequency (in Hz)
  1202. */
  1203. #define __LL_RCC_CALC_PCLK1_FREQ(__HCLKFREQ__, __APB1PRESCALER__) ((__HCLKFREQ__) >> APBPrescTable[(__APB1PRESCALER__) >> RCC_CFGR_PPRE1_Pos])
  1204. /**
  1205. * @brief Helper macro to calculate the PCLK2 frequency (ABP2)
  1206. * @param __HCLKFREQ__ HCLK frequency
  1207. * @param __APB2PRESCALER__ This parameter can be one of the following values:
  1208. * @arg @ref LL_RCC_APB2_DIV_1
  1209. * @arg @ref LL_RCC_APB2_DIV_2
  1210. * @arg @ref LL_RCC_APB2_DIV_4
  1211. * @arg @ref LL_RCC_APB2_DIV_8
  1212. * @arg @ref LL_RCC_APB2_DIV_16
  1213. * @retval PCLK2 clock frequency (in Hz)
  1214. */
  1215. #define __LL_RCC_CALC_PCLK2_FREQ(__HCLKFREQ__, __APB2PRESCALER__) ((__HCLKFREQ__) >> APBPrescTable[(__APB2PRESCALER__) >> RCC_CFGR_PPRE2_Pos])
  1216. /**
  1217. * @brief Helper macro to calculate the MSI frequency (in Hz)
  1218. * @note __MSISEL__ can be retrieved thanks to function LL_RCC_MSI_IsEnabledRangeSelect()
  1219. * @note if __MSISEL__ is equal to LL_RCC_MSIRANGESEL_STANDBY,
  1220. * __MSIRANGE__can be retrieved by LL_RCC_MSI_GetRangeAfterStandby()
  1221. * else by LL_RCC_MSI_GetRange()
  1222. * ex: __LL_RCC_CALC_MSI_FREQ(LL_RCC_MSI_IsEnabledRangeSelect(),
  1223. * (LL_RCC_MSI_IsEnabledRangeSelect()?
  1224. * LL_RCC_MSI_GetRange():
  1225. * LL_RCC_MSI_GetRangeAfterStandby()))
  1226. * @param __MSISEL__ This parameter can be one of the following values:
  1227. * @arg @ref LL_RCC_MSIRANGESEL_STANDBY
  1228. * @arg @ref LL_RCC_MSIRANGESEL_RUN
  1229. * @param __MSIRANGE__ This parameter can be one of the following values:
  1230. * @arg @ref LL_RCC_MSIRANGE_0
  1231. * @arg @ref LL_RCC_MSIRANGE_1
  1232. * @arg @ref LL_RCC_MSIRANGE_2
  1233. * @arg @ref LL_RCC_MSIRANGE_3
  1234. * @arg @ref LL_RCC_MSIRANGE_4
  1235. * @arg @ref LL_RCC_MSIRANGE_5
  1236. * @arg @ref LL_RCC_MSIRANGE_6
  1237. * @arg @ref LL_RCC_MSIRANGE_7
  1238. * @arg @ref LL_RCC_MSIRANGE_8
  1239. * @arg @ref LL_RCC_MSIRANGE_9
  1240. * @arg @ref LL_RCC_MSIRANGE_10
  1241. * @arg @ref LL_RCC_MSIRANGE_11
  1242. * @arg @ref LL_RCC_MSISRANGE_4
  1243. * @arg @ref LL_RCC_MSISRANGE_5
  1244. * @arg @ref LL_RCC_MSISRANGE_6
  1245. * @arg @ref LL_RCC_MSISRANGE_7
  1246. * @retval MSI clock frequency (in Hz)
  1247. */
  1248. #define __LL_RCC_CALC_MSI_FREQ(__MSISEL__, __MSIRANGE__) (((__MSISEL__) == LL_RCC_MSIRANGESEL_STANDBY) ? \
  1249. (MSIRangeTable[(__MSIRANGE__) >> 8U]) : \
  1250. (MSIRangeTable[(__MSIRANGE__) >> 4U]))
  1251. /**
  1252. * @}
  1253. */
  1254. /**
  1255. * @}
  1256. */
  1257. /* Exported functions --------------------------------------------------------*/
  1258. /** @defgroup RCC_LL_Exported_Functions RCC Exported Functions
  1259. * @{
  1260. */
  1261. /** @defgroup RCC_LL_EF_HSE HSE
  1262. * @{
  1263. */
  1264. /**
  1265. * @brief Enable the Clock Security System.
  1266. * @rmtoll CR CSSON LL_RCC_HSE_EnableCSS
  1267. * @retval None
  1268. */
  1269. __STATIC_INLINE void LL_RCC_HSE_EnableCSS(void)
  1270. {
  1271. SET_BIT(RCC->CR, RCC_CR_CSSON);
  1272. }
  1273. /**
  1274. * @brief Enable HSE external oscillator (HSE Bypass)
  1275. * @rmtoll CR HSEBYP LL_RCC_HSE_EnableBypass
  1276. * @retval None
  1277. */
  1278. __STATIC_INLINE void LL_RCC_HSE_EnableBypass(void)
  1279. {
  1280. SET_BIT(RCC->CR, RCC_CR_HSEBYP);
  1281. }
  1282. /**
  1283. * @brief Disable HSE external oscillator (HSE Bypass)
  1284. * @rmtoll CR HSEBYP LL_RCC_HSE_DisableBypass
  1285. * @retval None
  1286. */
  1287. __STATIC_INLINE void LL_RCC_HSE_DisableBypass(void)
  1288. {
  1289. CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP);
  1290. }
  1291. /**
  1292. * @brief Enable HSE crystal oscillator (HSE ON)
  1293. * @rmtoll CR HSEON LL_RCC_HSE_Enable
  1294. * @retval None
  1295. */
  1296. __STATIC_INLINE void LL_RCC_HSE_Enable(void)
  1297. {
  1298. SET_BIT(RCC->CR, RCC_CR_HSEON);
  1299. }
  1300. /**
  1301. * @brief Disable HSE crystal oscillator (HSE ON)
  1302. * @rmtoll CR HSEON LL_RCC_HSE_Disable
  1303. * @retval None
  1304. */
  1305. __STATIC_INLINE void LL_RCC_HSE_Disable(void)
  1306. {
  1307. CLEAR_BIT(RCC->CR, RCC_CR_HSEON);
  1308. }
  1309. /**
  1310. * @brief Check if HSE oscillator Ready
  1311. * @rmtoll CR HSERDY LL_RCC_HSE_IsReady
  1312. * @retval State of bit (1 or 0).
  1313. */
  1314. __STATIC_INLINE uint32_t LL_RCC_HSE_IsReady(void)
  1315. {
  1316. return (READ_BIT(RCC->CR, RCC_CR_HSERDY) == (RCC_CR_HSERDY));
  1317. }
  1318. /**
  1319. * @}
  1320. */
  1321. /** @defgroup RCC_LL_EF_HSI HSI
  1322. * @{
  1323. */
  1324. /**
  1325. * @brief Enable HSI even in stop mode
  1326. * @note HSI oscillator is forced ON even in Stop mode
  1327. * @rmtoll CR HSIKERON LL_RCC_HSI_EnableInStopMode
  1328. * @retval None
  1329. */
  1330. __STATIC_INLINE void LL_RCC_HSI_EnableInStopMode(void)
  1331. {
  1332. SET_BIT(RCC->CR, RCC_CR_HSIKERON);
  1333. }
  1334. /**
  1335. * @brief Disable HSI in stop mode
  1336. * @rmtoll CR HSIKERON LL_RCC_HSI_DisableInStopMode
  1337. * @retval None
  1338. */
  1339. __STATIC_INLINE void LL_RCC_HSI_DisableInStopMode(void)
  1340. {
  1341. CLEAR_BIT(RCC->CR, RCC_CR_HSIKERON);
  1342. }
  1343. /**
  1344. * @brief Enable HSI oscillator
  1345. * @rmtoll CR HSION LL_RCC_HSI_Enable
  1346. * @retval None
  1347. */
  1348. __STATIC_INLINE void LL_RCC_HSI_Enable(void)
  1349. {
  1350. SET_BIT(RCC->CR, RCC_CR_HSION);
  1351. }
  1352. /**
  1353. * @brief Disable HSI oscillator
  1354. * @rmtoll CR HSION LL_RCC_HSI_Disable
  1355. * @retval None
  1356. */
  1357. __STATIC_INLINE void LL_RCC_HSI_Disable(void)
  1358. {
  1359. CLEAR_BIT(RCC->CR, RCC_CR_HSION);
  1360. }
  1361. /**
  1362. * @brief Check if HSI clock is ready
  1363. * @rmtoll CR HSIRDY LL_RCC_HSI_IsReady
  1364. * @retval State of bit (1 or 0).
  1365. */
  1366. __STATIC_INLINE uint32_t LL_RCC_HSI_IsReady(void)
  1367. {
  1368. return (READ_BIT(RCC->CR, RCC_CR_HSIRDY) == (RCC_CR_HSIRDY));
  1369. }
  1370. /**
  1371. * @brief Enable HSI Automatic from stop mode
  1372. * @rmtoll CR HSIASFS LL_RCC_HSI_EnableAutoFromStop
  1373. * @retval None
  1374. */
  1375. __STATIC_INLINE void LL_RCC_HSI_EnableAutoFromStop(void)
  1376. {
  1377. SET_BIT(RCC->CR, RCC_CR_HSIASFS);
  1378. }
  1379. /**
  1380. * @brief Disable HSI Automatic from stop mode
  1381. * @rmtoll CR HSIASFS LL_RCC_HSI_DisableAutoFromStop
  1382. * @retval None
  1383. */
  1384. __STATIC_INLINE void LL_RCC_HSI_DisableAutoFromStop(void)
  1385. {
  1386. CLEAR_BIT(RCC->CR, RCC_CR_HSIASFS);
  1387. }
  1388. /**
  1389. * @brief Get HSI Calibration value
  1390. * @note When HSITRIM is written, HSICAL is updated with the sum of
  1391. * HSITRIM and the factory trim value
  1392. * @rmtoll ICSCR HSICAL LL_RCC_HSI_GetCalibration
  1393. * @retval Between Min_Data = 0x00 and Max_Data = 0xFF
  1394. */
  1395. __STATIC_INLINE uint32_t LL_RCC_HSI_GetCalibration(void)
  1396. {
  1397. return (uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_HSICAL) >> RCC_ICSCR_HSICAL_Pos);
  1398. }
  1399. /**
  1400. * @brief Set HSI Calibration trimming
  1401. * @note user-programmable trimming value that is added to the HSICAL
  1402. * @note Default value is 16, which, when added to the HSICAL value,
  1403. * should trim the HSI to 16 MHz +/- 1 %
  1404. * @rmtoll ICSCR HSITRIM LL_RCC_HSI_SetCalibTrimming
  1405. * @param Value Between Min_Data = 0 and Max_Data = 31
  1406. * @retval None
  1407. */
  1408. __STATIC_INLINE void LL_RCC_HSI_SetCalibTrimming(uint32_t Value)
  1409. {
  1410. MODIFY_REG(RCC->ICSCR, RCC_ICSCR_HSITRIM, Value << RCC_ICSCR_HSITRIM_Pos);
  1411. }
  1412. /**
  1413. * @brief Get HSI Calibration trimming
  1414. * @rmtoll ICSCR HSITRIM LL_RCC_HSI_GetCalibTrimming
  1415. * @retval Between Min_Data = 0 and Max_Data = 31
  1416. */
  1417. __STATIC_INLINE uint32_t LL_RCC_HSI_GetCalibTrimming(void)
  1418. {
  1419. return (uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_HSITRIM) >> RCC_ICSCR_HSITRIM_Pos);
  1420. }
  1421. /**
  1422. * @}
  1423. */
  1424. #if defined(RCC_HSI48_SUPPORT)
  1425. /** @defgroup RCC_LL_EF_HSI48 HSI48
  1426. * @{
  1427. */
  1428. /**
  1429. * @brief Enable HSI48
  1430. * @rmtoll CRRCR HSI48ON LL_RCC_HSI48_Enable
  1431. * @retval None
  1432. */
  1433. __STATIC_INLINE void LL_RCC_HSI48_Enable(void)
  1434. {
  1435. SET_BIT(RCC->CRRCR, RCC_CRRCR_HSI48ON);
  1436. }
  1437. /**
  1438. * @brief Disable HSI48
  1439. * @rmtoll CRRCR HSI48ON LL_RCC_HSI48_Disable
  1440. * @retval None
  1441. */
  1442. __STATIC_INLINE void LL_RCC_HSI48_Disable(void)
  1443. {
  1444. CLEAR_BIT(RCC->CRRCR, RCC_CRRCR_HSI48ON);
  1445. }
  1446. /**
  1447. * @brief Check if HSI48 oscillator Ready
  1448. * @rmtoll CRRCR HSI48RDY LL_RCC_HSI48_IsReady
  1449. * @retval State of bit (1 or 0).
  1450. */
  1451. __STATIC_INLINE uint32_t LL_RCC_HSI48_IsReady(void)
  1452. {
  1453. return (READ_BIT(RCC->CRRCR, RCC_CRRCR_HSI48RDY) == (RCC_CRRCR_HSI48RDY));
  1454. }
  1455. /**
  1456. * @brief Get HSI48 Calibration value
  1457. * @rmtoll CRRCR HSI48CAL LL_RCC_HSI48_GetCalibration
  1458. * @retval Between Min_Data = 0x00 and Max_Data = 0xFF
  1459. */
  1460. __STATIC_INLINE uint32_t LL_RCC_HSI48_GetCalibration(void)
  1461. {
  1462. return (uint32_t)(READ_BIT(RCC->CRRCR, RCC_CRRCR_HSI48CAL) >> RCC_CRRCR_HSI48CAL_Pos);
  1463. }
  1464. /**
  1465. * @}
  1466. */
  1467. #endif /* RCC_HSI48_SUPPORT */
  1468. /** @defgroup RCC_LL_EF_LSE LSE
  1469. * @{
  1470. */
  1471. /**
  1472. * @brief Enable Low Speed External (LSE) crystal.
  1473. * @rmtoll BDCR LSEON LL_RCC_LSE_Enable
  1474. * @retval None
  1475. */
  1476. __STATIC_INLINE void LL_RCC_LSE_Enable(void)
  1477. {
  1478. SET_BIT(RCC->BDCR, RCC_BDCR_LSEON);
  1479. }
  1480. /**
  1481. * @brief Disable Low Speed External (LSE) crystal.
  1482. * @rmtoll BDCR LSEON LL_RCC_LSE_Disable
  1483. * @retval None
  1484. */
  1485. __STATIC_INLINE void LL_RCC_LSE_Disable(void)
  1486. {
  1487. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON);
  1488. }
  1489. /**
  1490. * @brief Enable external clock source (LSE bypass).
  1491. * @rmtoll BDCR LSEBYP LL_RCC_LSE_EnableBypass
  1492. * @retval None
  1493. */
  1494. __STATIC_INLINE void LL_RCC_LSE_EnableBypass(void)
  1495. {
  1496. SET_BIT(RCC->BDCR, RCC_BDCR_LSEBYP);
  1497. }
  1498. /**
  1499. * @brief Disable external clock source (LSE bypass).
  1500. * @rmtoll BDCR LSEBYP LL_RCC_LSE_DisableBypass
  1501. * @retval None
  1502. */
  1503. __STATIC_INLINE void LL_RCC_LSE_DisableBypass(void)
  1504. {
  1505. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP);
  1506. }
  1507. /**
  1508. * @brief Set LSE oscillator drive capability
  1509. * @note The oscillator is in Xtal mode when it is not in bypass mode.
  1510. * @rmtoll BDCR LSEDRV LL_RCC_LSE_SetDriveCapability
  1511. * @param LSEDrive This parameter can be one of the following values:
  1512. * @arg @ref LL_RCC_LSEDRIVE_LOW
  1513. * @arg @ref LL_RCC_LSEDRIVE_MEDIUMLOW
  1514. * @arg @ref LL_RCC_LSEDRIVE_MEDIUMHIGH
  1515. * @arg @ref LL_RCC_LSEDRIVE_HIGH
  1516. * @retval None
  1517. */
  1518. __STATIC_INLINE void LL_RCC_LSE_SetDriveCapability(uint32_t LSEDrive)
  1519. {
  1520. MODIFY_REG(RCC->BDCR, RCC_BDCR_LSEDRV, LSEDrive);
  1521. }
  1522. /**
  1523. * @brief Get LSE oscillator drive capability
  1524. * @rmtoll BDCR LSEDRV LL_RCC_LSE_GetDriveCapability
  1525. * @retval Returned value can be one of the following values:
  1526. * @arg @ref LL_RCC_LSEDRIVE_LOW
  1527. * @arg @ref LL_RCC_LSEDRIVE_MEDIUMLOW
  1528. * @arg @ref LL_RCC_LSEDRIVE_MEDIUMHIGH
  1529. * @arg @ref LL_RCC_LSEDRIVE_HIGH
  1530. */
  1531. __STATIC_INLINE uint32_t LL_RCC_LSE_GetDriveCapability(void)
  1532. {
  1533. return (uint32_t)(READ_BIT(RCC->BDCR, RCC_BDCR_LSEDRV));
  1534. }
  1535. /**
  1536. * @brief Enable Clock security system on LSE.
  1537. * @rmtoll BDCR LSECSSON LL_RCC_LSE_EnableCSS
  1538. * @retval None
  1539. */
  1540. __STATIC_INLINE void LL_RCC_LSE_EnableCSS(void)
  1541. {
  1542. SET_BIT(RCC->BDCR, RCC_BDCR_LSECSSON);
  1543. }
  1544. /**
  1545. * @brief Disable Clock security system on LSE.
  1546. * @note Clock security system can be disabled only after a LSE
  1547. * failure detection. In that case it MUST be disabled by software.
  1548. * @rmtoll BDCR LSECSSON LL_RCC_LSE_DisableCSS
  1549. * @retval None
  1550. */
  1551. __STATIC_INLINE void LL_RCC_LSE_DisableCSS(void)
  1552. {
  1553. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSECSSON);
  1554. }
  1555. /**
  1556. * @brief Check if LSE oscillator Ready
  1557. * @rmtoll BDCR LSERDY LL_RCC_LSE_IsReady
  1558. * @retval State of bit (1 or 0).
  1559. */
  1560. __STATIC_INLINE uint32_t LL_RCC_LSE_IsReady(void)
  1561. {
  1562. return (READ_BIT(RCC->BDCR, RCC_BDCR_LSERDY) == (RCC_BDCR_LSERDY));
  1563. }
  1564. /**
  1565. * @brief Check if CSS on LSE failure Detection
  1566. * @rmtoll BDCR LSECSSD LL_RCC_LSE_IsCSSDetected
  1567. * @retval State of bit (1 or 0).
  1568. */
  1569. __STATIC_INLINE uint32_t LL_RCC_LSE_IsCSSDetected(void)
  1570. {
  1571. return (READ_BIT(RCC->BDCR, RCC_BDCR_LSECSSD) == (RCC_BDCR_LSECSSD));
  1572. }
  1573. /**
  1574. * @}
  1575. */
  1576. /** @defgroup RCC_LL_EF_LSI LSI
  1577. * @{
  1578. */
  1579. /**
  1580. * @brief Enable LSI Oscillator
  1581. * @rmtoll CSR LSION LL_RCC_LSI_Enable
  1582. * @retval None
  1583. */
  1584. __STATIC_INLINE void LL_RCC_LSI_Enable(void)
  1585. {
  1586. SET_BIT(RCC->CSR, RCC_CSR_LSION);
  1587. }
  1588. /**
  1589. * @brief Disable LSI Oscillator
  1590. * @rmtoll CSR LSION LL_RCC_LSI_Disable
  1591. * @retval None
  1592. */
  1593. __STATIC_INLINE void LL_RCC_LSI_Disable(void)
  1594. {
  1595. CLEAR_BIT(RCC->CSR, RCC_CSR_LSION);
  1596. }
  1597. /**
  1598. * @brief Check if LSI is Ready
  1599. * @rmtoll CSR LSIRDY LL_RCC_LSI_IsReady
  1600. * @retval State of bit (1 or 0).
  1601. */
  1602. __STATIC_INLINE uint32_t LL_RCC_LSI_IsReady(void)
  1603. {
  1604. return (READ_BIT(RCC->CSR, RCC_CSR_LSIRDY) == (RCC_CSR_LSIRDY));
  1605. }
  1606. /**
  1607. * @}
  1608. */
  1609. /** @defgroup RCC_LL_EF_MSI MSI
  1610. * @{
  1611. */
  1612. /**
  1613. * @brief Enable MSI oscillator
  1614. * @rmtoll CR MSION LL_RCC_MSI_Enable
  1615. * @retval None
  1616. */
  1617. __STATIC_INLINE void LL_RCC_MSI_Enable(void)
  1618. {
  1619. SET_BIT(RCC->CR, RCC_CR_MSION);
  1620. }
  1621. /**
  1622. * @brief Disable MSI oscillator
  1623. * @rmtoll CR MSION LL_RCC_MSI_Disable
  1624. * @retval None
  1625. */
  1626. __STATIC_INLINE void LL_RCC_MSI_Disable(void)
  1627. {
  1628. CLEAR_BIT(RCC->CR, RCC_CR_MSION);
  1629. }
  1630. /**
  1631. * @brief Check if MSI oscillator Ready
  1632. * @rmtoll CR MSIRDY LL_RCC_MSI_IsReady
  1633. * @retval State of bit (1 or 0).
  1634. */
  1635. __STATIC_INLINE uint32_t LL_RCC_MSI_IsReady(void)
  1636. {
  1637. return (READ_BIT(RCC->CR, RCC_CR_MSIRDY) == (RCC_CR_MSIRDY));
  1638. }
  1639. /**
  1640. * @brief Enable MSI PLL-mode (Hardware auto calibration with LSE)
  1641. * @note MSIPLLEN must be enabled after LSE is enabled (LSEON enabled)
  1642. * and ready (LSERDY set by hardware)
  1643. * @note hardware protection to avoid enabling MSIPLLEN if LSE is not
  1644. * ready
  1645. * @rmtoll CR MSIPLLEN LL_RCC_MSI_EnablePLLMode
  1646. * @retval None
  1647. */
  1648. __STATIC_INLINE void LL_RCC_MSI_EnablePLLMode(void)
  1649. {
  1650. SET_BIT(RCC->CR, RCC_CR_MSIPLLEN);
  1651. }
  1652. /**
  1653. * @brief Disable MSI-PLL mode
  1654. * @note cleared by hardware when LSE is disabled (LSEON = 0) or when
  1655. * the Clock Security System on LSE detects a LSE failure
  1656. * @rmtoll CR MSIPLLEN LL_RCC_MSI_DisablePLLMode
  1657. * @retval None
  1658. */
  1659. __STATIC_INLINE void LL_RCC_MSI_DisablePLLMode(void)
  1660. {
  1661. CLEAR_BIT(RCC->CR, RCC_CR_MSIPLLEN);
  1662. }
  1663. /**
  1664. * @brief Enable MSI clock range selection with MSIRANGE register
  1665. * @note Write 0 has no effect. After a standby or a reset
  1666. * MSIRGSEL is at 0 and the MSI range value is provided by
  1667. * MSISRANGE
  1668. * @rmtoll CR MSIRGSEL LL_RCC_MSI_EnableRangeSelection
  1669. * @retval None
  1670. */
  1671. __STATIC_INLINE void LL_RCC_MSI_EnableRangeSelection(void)
  1672. {
  1673. SET_BIT(RCC->CR, RCC_CR_MSIRGSEL);
  1674. }
  1675. /**
  1676. * @brief Check if MSI clock range is selected with MSIRANGE register
  1677. * @rmtoll CR MSIRGSEL LL_RCC_MSI_IsEnabledRangeSelect
  1678. * @retval State of bit (1 or 0).
  1679. */
  1680. __STATIC_INLINE uint32_t LL_RCC_MSI_IsEnabledRangeSelect(void)
  1681. {
  1682. return (READ_BIT(RCC->CR, RCC_CR_MSIRGSEL) == (RCC_CR_MSIRGSEL));
  1683. }
  1684. /**
  1685. * @brief Configure the Internal Multi Speed oscillator (MSI) clock range in run mode.
  1686. * @rmtoll CR MSIRANGE LL_RCC_MSI_SetRange
  1687. * @param Range This parameter can be one of the following values:
  1688. * @arg @ref LL_RCC_MSIRANGE_0
  1689. * @arg @ref LL_RCC_MSIRANGE_1
  1690. * @arg @ref LL_RCC_MSIRANGE_2
  1691. * @arg @ref LL_RCC_MSIRANGE_3
  1692. * @arg @ref LL_RCC_MSIRANGE_4
  1693. * @arg @ref LL_RCC_MSIRANGE_5
  1694. * @arg @ref LL_RCC_MSIRANGE_6
  1695. * @arg @ref LL_RCC_MSIRANGE_7
  1696. * @arg @ref LL_RCC_MSIRANGE_8
  1697. * @arg @ref LL_RCC_MSIRANGE_9
  1698. * @arg @ref LL_RCC_MSIRANGE_10
  1699. * @arg @ref LL_RCC_MSIRANGE_11
  1700. * @retval None
  1701. */
  1702. __STATIC_INLINE void LL_RCC_MSI_SetRange(uint32_t Range)
  1703. {
  1704. MODIFY_REG(RCC->CR, RCC_CR_MSIRANGE, Range);
  1705. }
  1706. /**
  1707. * @brief Get the Internal Multi Speed oscillator (MSI) clock range in run mode.
  1708. * @rmtoll CR MSIRANGE LL_RCC_MSI_GetRange
  1709. * @retval Returned value can be one of the following values:
  1710. * @arg @ref LL_RCC_MSIRANGE_0
  1711. * @arg @ref LL_RCC_MSIRANGE_1
  1712. * @arg @ref LL_RCC_MSIRANGE_2
  1713. * @arg @ref LL_RCC_MSIRANGE_3
  1714. * @arg @ref LL_RCC_MSIRANGE_4
  1715. * @arg @ref LL_RCC_MSIRANGE_5
  1716. * @arg @ref LL_RCC_MSIRANGE_6
  1717. * @arg @ref LL_RCC_MSIRANGE_7
  1718. * @arg @ref LL_RCC_MSIRANGE_8
  1719. * @arg @ref LL_RCC_MSIRANGE_9
  1720. * @arg @ref LL_RCC_MSIRANGE_10
  1721. * @arg @ref LL_RCC_MSIRANGE_11
  1722. */
  1723. __STATIC_INLINE uint32_t LL_RCC_MSI_GetRange(void)
  1724. {
  1725. return (uint32_t)(READ_BIT(RCC->CR, RCC_CR_MSIRANGE));
  1726. }
  1727. /**
  1728. * @brief Configure MSI range used after standby
  1729. * @rmtoll CSR MSISRANGE LL_RCC_MSI_SetRangeAfterStandby
  1730. * @param Range This parameter can be one of the following values:
  1731. * @arg @ref LL_RCC_MSISRANGE_4
  1732. * @arg @ref LL_RCC_MSISRANGE_5
  1733. * @arg @ref LL_RCC_MSISRANGE_6
  1734. * @arg @ref LL_RCC_MSISRANGE_7
  1735. * @retval None
  1736. */
  1737. __STATIC_INLINE void LL_RCC_MSI_SetRangeAfterStandby(uint32_t Range)
  1738. {
  1739. MODIFY_REG(RCC->CSR, RCC_CSR_MSISRANGE, Range);
  1740. }
  1741. /**
  1742. * @brief Get MSI range used after standby
  1743. * @rmtoll CSR MSISRANGE LL_RCC_MSI_GetRangeAfterStandby
  1744. * @retval Returned value can be one of the following values:
  1745. * @arg @ref LL_RCC_MSISRANGE_4
  1746. * @arg @ref LL_RCC_MSISRANGE_5
  1747. * @arg @ref LL_RCC_MSISRANGE_6
  1748. * @arg @ref LL_RCC_MSISRANGE_7
  1749. */
  1750. __STATIC_INLINE uint32_t LL_RCC_MSI_GetRangeAfterStandby(void)
  1751. {
  1752. return (uint32_t)(READ_BIT(RCC->CSR, RCC_CSR_MSISRANGE));
  1753. }
  1754. /**
  1755. * @brief Get MSI Calibration value
  1756. * @note When MSITRIM is written, MSICAL is updated with the sum of
  1757. * MSITRIM and the factory trim value
  1758. * @rmtoll ICSCR MSICAL LL_RCC_MSI_GetCalibration
  1759. * @retval Between Min_Data = 0 and Max_Data = 255
  1760. */
  1761. __STATIC_INLINE uint32_t LL_RCC_MSI_GetCalibration(void)
  1762. {
  1763. return (uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_MSICAL) >> RCC_ICSCR_MSICAL_Pos);
  1764. }
  1765. /**
  1766. * @brief Set MSI Calibration trimming
  1767. * @note user-programmable trimming value that is added to the MSICAL
  1768. * @rmtoll ICSCR MSITRIM LL_RCC_MSI_SetCalibTrimming
  1769. * @param Value Between Min_Data = 0 and Max_Data = 255
  1770. * @retval None
  1771. */
  1772. __STATIC_INLINE void LL_RCC_MSI_SetCalibTrimming(uint32_t Value)
  1773. {
  1774. MODIFY_REG(RCC->ICSCR, RCC_ICSCR_MSITRIM, Value << RCC_ICSCR_MSITRIM_Pos);
  1775. }
  1776. /**
  1777. * @brief Get MSI Calibration trimming
  1778. * @rmtoll ICSCR MSITRIM LL_RCC_MSI_GetCalibTrimming
  1779. * @retval Between 0 and 255
  1780. */
  1781. __STATIC_INLINE uint32_t LL_RCC_MSI_GetCalibTrimming(void)
  1782. {
  1783. return (uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_MSITRIM) >> RCC_ICSCR_MSITRIM_Pos);
  1784. }
  1785. /**
  1786. * @}
  1787. */
  1788. /** @defgroup RCC_LL_EF_LSCO LSCO
  1789. * @{
  1790. */
  1791. /**
  1792. * @brief Enable Low speed clock
  1793. * @rmtoll BDCR LSCOEN LL_RCC_LSCO_Enable
  1794. * @retval None
  1795. */
  1796. __STATIC_INLINE void LL_RCC_LSCO_Enable(void)
  1797. {
  1798. SET_BIT(RCC->BDCR, RCC_BDCR_LSCOEN);
  1799. }
  1800. /**
  1801. * @brief Disable Low speed clock
  1802. * @rmtoll BDCR LSCOEN LL_RCC_LSCO_Disable
  1803. * @retval None
  1804. */
  1805. __STATIC_INLINE void LL_RCC_LSCO_Disable(void)
  1806. {
  1807. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSCOEN);
  1808. }
  1809. /**
  1810. * @brief Configure Low speed clock selection
  1811. * @rmtoll BDCR LSCOSEL LL_RCC_LSCO_SetSource
  1812. * @param Source This parameter can be one of the following values:
  1813. * @arg @ref LL_RCC_LSCO_CLKSOURCE_LSI
  1814. * @arg @ref LL_RCC_LSCO_CLKSOURCE_LSE
  1815. * @retval None
  1816. */
  1817. __STATIC_INLINE void LL_RCC_LSCO_SetSource(uint32_t Source)
  1818. {
  1819. MODIFY_REG(RCC->BDCR, RCC_BDCR_LSCOSEL, Source);
  1820. }
  1821. /**
  1822. * @brief Get Low speed clock selection
  1823. * @rmtoll BDCR LSCOSEL LL_RCC_LSCO_GetSource
  1824. * @retval Returned value can be one of the following values:
  1825. * @arg @ref LL_RCC_LSCO_CLKSOURCE_LSI
  1826. * @arg @ref LL_RCC_LSCO_CLKSOURCE_LSE
  1827. */
  1828. __STATIC_INLINE uint32_t LL_RCC_LSCO_GetSource(void)
  1829. {
  1830. return (uint32_t)(READ_BIT(RCC->BDCR, RCC_BDCR_LSCOSEL));
  1831. }
  1832. /**
  1833. * @}
  1834. */
  1835. /** @defgroup RCC_LL_EF_System System
  1836. * @{
  1837. */
  1838. /**
  1839. * @brief Configure the system clock source
  1840. * @rmtoll CFGR SW LL_RCC_SetSysClkSource
  1841. * @param Source This parameter can be one of the following values:
  1842. * @arg @ref LL_RCC_SYS_CLKSOURCE_MSI
  1843. * @arg @ref LL_RCC_SYS_CLKSOURCE_HSI
  1844. * @arg @ref LL_RCC_SYS_CLKSOURCE_HSE
  1845. * @arg @ref LL_RCC_SYS_CLKSOURCE_PLL
  1846. * @retval None
  1847. */
  1848. __STATIC_INLINE void LL_RCC_SetSysClkSource(uint32_t Source)
  1849. {
  1850. MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, Source);
  1851. }
  1852. /**
  1853. * @brief Get the system clock source
  1854. * @rmtoll CFGR SWS LL_RCC_GetSysClkSource
  1855. * @retval Returned value can be one of the following values:
  1856. * @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_MSI
  1857. * @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_HSI
  1858. * @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_HSE
  1859. * @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_PLL
  1860. */
  1861. __STATIC_INLINE uint32_t LL_RCC_GetSysClkSource(void)
  1862. {
  1863. return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_SWS));
  1864. }
  1865. /**
  1866. * @brief Set AHB prescaler
  1867. * @rmtoll CFGR HPRE LL_RCC_SetAHBPrescaler
  1868. * @param Prescaler This parameter can be one of the following values:
  1869. * @arg @ref LL_RCC_SYSCLK_DIV_1
  1870. * @arg @ref LL_RCC_SYSCLK_DIV_2
  1871. * @arg @ref LL_RCC_SYSCLK_DIV_4
  1872. * @arg @ref LL_RCC_SYSCLK_DIV_8
  1873. * @arg @ref LL_RCC_SYSCLK_DIV_16
  1874. * @arg @ref LL_RCC_SYSCLK_DIV_64
  1875. * @arg @ref LL_RCC_SYSCLK_DIV_128
  1876. * @arg @ref LL_RCC_SYSCLK_DIV_256
  1877. * @arg @ref LL_RCC_SYSCLK_DIV_512
  1878. * @retval None
  1879. */
  1880. __STATIC_INLINE void LL_RCC_SetAHBPrescaler(uint32_t Prescaler)
  1881. {
  1882. MODIFY_REG(RCC->CFGR, RCC_CFGR_HPRE, Prescaler);
  1883. }
  1884. /**
  1885. * @brief Set APB1 prescaler
  1886. * @rmtoll CFGR PPRE1 LL_RCC_SetAPB1Prescaler
  1887. * @param Prescaler This parameter can be one of the following values:
  1888. * @arg @ref LL_RCC_APB1_DIV_1
  1889. * @arg @ref LL_RCC_APB1_DIV_2
  1890. * @arg @ref LL_RCC_APB1_DIV_4
  1891. * @arg @ref LL_RCC_APB1_DIV_8
  1892. * @arg @ref LL_RCC_APB1_DIV_16
  1893. * @retval None
  1894. */
  1895. __STATIC_INLINE void LL_RCC_SetAPB1Prescaler(uint32_t Prescaler)
  1896. {
  1897. MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE1, Prescaler);
  1898. }
  1899. /**
  1900. * @brief Set APB2 prescaler
  1901. * @rmtoll CFGR PPRE2 LL_RCC_SetAPB2Prescaler
  1902. * @param Prescaler This parameter can be one of the following values:
  1903. * @arg @ref LL_RCC_APB2_DIV_1
  1904. * @arg @ref LL_RCC_APB2_DIV_2
  1905. * @arg @ref LL_RCC_APB2_DIV_4
  1906. * @arg @ref LL_RCC_APB2_DIV_8
  1907. * @arg @ref LL_RCC_APB2_DIV_16
  1908. * @retval None
  1909. */
  1910. __STATIC_INLINE void LL_RCC_SetAPB2Prescaler(uint32_t Prescaler)
  1911. {
  1912. MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE2, Prescaler);
  1913. }
  1914. /**
  1915. * @brief Get AHB prescaler
  1916. * @rmtoll CFGR HPRE LL_RCC_GetAHBPrescaler
  1917. * @retval Returned value can be one of the following values:
  1918. * @arg @ref LL_RCC_SYSCLK_DIV_1
  1919. * @arg @ref LL_RCC_SYSCLK_DIV_2
  1920. * @arg @ref LL_RCC_SYSCLK_DIV_4
  1921. * @arg @ref LL_RCC_SYSCLK_DIV_8
  1922. * @arg @ref LL_RCC_SYSCLK_DIV_16
  1923. * @arg @ref LL_RCC_SYSCLK_DIV_64
  1924. * @arg @ref LL_RCC_SYSCLK_DIV_128
  1925. * @arg @ref LL_RCC_SYSCLK_DIV_256
  1926. * @arg @ref LL_RCC_SYSCLK_DIV_512
  1927. */
  1928. __STATIC_INLINE uint32_t LL_RCC_GetAHBPrescaler(void)
  1929. {
  1930. return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_HPRE));
  1931. }
  1932. /**
  1933. * @brief Get APB1 prescaler
  1934. * @rmtoll CFGR PPRE1 LL_RCC_GetAPB1Prescaler
  1935. * @retval Returned value can be one of the following values:
  1936. * @arg @ref LL_RCC_APB1_DIV_1
  1937. * @arg @ref LL_RCC_APB1_DIV_2
  1938. * @arg @ref LL_RCC_APB1_DIV_4
  1939. * @arg @ref LL_RCC_APB1_DIV_8
  1940. * @arg @ref LL_RCC_APB1_DIV_16
  1941. */
  1942. __STATIC_INLINE uint32_t LL_RCC_GetAPB1Prescaler(void)
  1943. {
  1944. return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PPRE1));
  1945. }
  1946. /**
  1947. * @brief Get APB2 prescaler
  1948. * @rmtoll CFGR PPRE2 LL_RCC_GetAPB2Prescaler
  1949. * @retval Returned value can be one of the following values:
  1950. * @arg @ref LL_RCC_APB2_DIV_1
  1951. * @arg @ref LL_RCC_APB2_DIV_2
  1952. * @arg @ref LL_RCC_APB2_DIV_4
  1953. * @arg @ref LL_RCC_APB2_DIV_8
  1954. * @arg @ref LL_RCC_APB2_DIV_16
  1955. */
  1956. __STATIC_INLINE uint32_t LL_RCC_GetAPB2Prescaler(void)
  1957. {
  1958. return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PPRE2));
  1959. }
  1960. /**
  1961. * @brief Set Clock After Wake-Up From Stop mode
  1962. * @rmtoll CFGR STOPWUCK LL_RCC_SetClkAfterWakeFromStop
  1963. * @param Clock This parameter can be one of the following values:
  1964. * @arg @ref LL_RCC_STOP_WAKEUPCLOCK_MSI
  1965. * @arg @ref LL_RCC_STOP_WAKEUPCLOCK_HSI
  1966. * @retval None
  1967. */
  1968. __STATIC_INLINE void LL_RCC_SetClkAfterWakeFromStop(uint32_t Clock)
  1969. {
  1970. MODIFY_REG(RCC->CFGR, RCC_CFGR_STOPWUCK, Clock);
  1971. }
  1972. /**
  1973. * @brief Get Clock After Wake-Up From Stop mode
  1974. * @rmtoll CFGR STOPWUCK LL_RCC_GetClkAfterWakeFromStop
  1975. * @retval Returned value can be one of the following values:
  1976. * @arg @ref LL_RCC_STOP_WAKEUPCLOCK_MSI
  1977. * @arg @ref LL_RCC_STOP_WAKEUPCLOCK_HSI
  1978. */
  1979. __STATIC_INLINE uint32_t LL_RCC_GetClkAfterWakeFromStop(void)
  1980. {
  1981. return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_STOPWUCK));
  1982. }
  1983. /**
  1984. * @}
  1985. */
  1986. /** @defgroup RCC_LL_EF_MCO MCO
  1987. * @{
  1988. */
  1989. /**
  1990. * @brief Configure MCOx
  1991. * @rmtoll CFGR MCOSEL LL_RCC_ConfigMCO\n
  1992. * CFGR MCOPRE LL_RCC_ConfigMCO
  1993. * @param MCOxSource This parameter can be one of the following values:
  1994. * @arg @ref LL_RCC_MCO1SOURCE_NOCLOCK
  1995. * @arg @ref LL_RCC_MCO1SOURCE_SYSCLK
  1996. * @arg @ref LL_RCC_MCO1SOURCE_MSI
  1997. * @arg @ref LL_RCC_MCO1SOURCE_HSI
  1998. * @arg @ref LL_RCC_MCO1SOURCE_HSE
  1999. * @arg @ref LL_RCC_MCO1SOURCE_HSI48 (*)
  2000. * @arg @ref LL_RCC_MCO1SOURCE_PLLCLK
  2001. * @arg @ref LL_RCC_MCO1SOURCE_LSI
  2002. * @arg @ref LL_RCC_MCO1SOURCE_LSE
  2003. *
  2004. * (*) value not defined in all devices.
  2005. * @param MCOxPrescaler This parameter can be one of the following values:
  2006. * @arg @ref LL_RCC_MCO1_DIV_1
  2007. * @arg @ref LL_RCC_MCO1_DIV_2
  2008. * @arg @ref LL_RCC_MCO1_DIV_4
  2009. * @arg @ref LL_RCC_MCO1_DIV_8
  2010. * @arg @ref LL_RCC_MCO1_DIV_16
  2011. * @retval None
  2012. */
  2013. __STATIC_INLINE void LL_RCC_ConfigMCO(uint32_t MCOxSource, uint32_t MCOxPrescaler)
  2014. {
  2015. MODIFY_REG(RCC->CFGR, RCC_CFGR_MCOSEL | RCC_CFGR_MCOPRE, MCOxSource | MCOxPrescaler);
  2016. }
  2017. /**
  2018. * @}
  2019. */
  2020. /** @defgroup RCC_LL_EF_Peripheral_Clock_Source Peripheral Clock Source
  2021. * @{
  2022. */
  2023. /**
  2024. * @brief Configure USARTx clock source
  2025. * @rmtoll CCIPR USARTxSEL LL_RCC_SetUSARTClockSource
  2026. * @param USARTxSource This parameter can be one of the following values:
  2027. * @arg @ref LL_RCC_USART1_CLKSOURCE_PCLK2
  2028. * @arg @ref LL_RCC_USART1_CLKSOURCE_SYSCLK
  2029. * @arg @ref LL_RCC_USART1_CLKSOURCE_HSI
  2030. * @arg @ref LL_RCC_USART1_CLKSOURCE_LSE
  2031. * @arg @ref LL_RCC_USART2_CLKSOURCE_PCLK1
  2032. * @arg @ref LL_RCC_USART2_CLKSOURCE_SYSCLK
  2033. * @arg @ref LL_RCC_USART2_CLKSOURCE_HSI
  2034. * @arg @ref LL_RCC_USART2_CLKSOURCE_LSE
  2035. * @arg @ref LL_RCC_USART3_CLKSOURCE_PCLK1 (*)
  2036. * @arg @ref LL_RCC_USART3_CLKSOURCE_SYSCLK (*)
  2037. * @arg @ref LL_RCC_USART3_CLKSOURCE_HSI (*)
  2038. * @arg @ref LL_RCC_USART3_CLKSOURCE_LSE (*)
  2039. *
  2040. * (*) value not defined in all devices.
  2041. * @retval None
  2042. */
  2043. __STATIC_INLINE void LL_RCC_SetUSARTClockSource(uint32_t USARTxSource)
  2044. {
  2045. MODIFY_REG(RCC->CCIPR, (USARTxSource >> 16), (USARTxSource & 0x0000FFFF));
  2046. }
  2047. #if defined(UART4) || defined(UART5)
  2048. /**
  2049. * @brief Configure UARTx clock source
  2050. * @rmtoll CCIPR UARTxSEL LL_RCC_SetUARTClockSource
  2051. * @param UARTxSource This parameter can be one of the following values:
  2052. * @arg @ref LL_RCC_UART4_CLKSOURCE_PCLK1
  2053. * @arg @ref LL_RCC_UART4_CLKSOURCE_SYSCLK
  2054. * @arg @ref LL_RCC_UART4_CLKSOURCE_HSI
  2055. * @arg @ref LL_RCC_UART4_CLKSOURCE_LSE
  2056. * @arg @ref LL_RCC_UART5_CLKSOURCE_PCLK1
  2057. * @arg @ref LL_RCC_UART5_CLKSOURCE_SYSCLK
  2058. * @arg @ref LL_RCC_UART5_CLKSOURCE_HSI
  2059. * @arg @ref LL_RCC_UART5_CLKSOURCE_LSE
  2060. * @retval None
  2061. */
  2062. __STATIC_INLINE void LL_RCC_SetUARTClockSource(uint32_t UARTxSource)
  2063. {
  2064. MODIFY_REG(RCC->CCIPR, (UARTxSource >> 16), (UARTxSource & 0x0000FFFF));
  2065. }
  2066. #endif /* UART4 || UART5 */
  2067. /**
  2068. * @brief Configure LPUART1x clock source
  2069. * @rmtoll CCIPR LPUART1SEL LL_RCC_SetLPUARTClockSource
  2070. * @param LPUARTxSource This parameter can be one of the following values:
  2071. * @arg @ref LL_RCC_LPUART1_CLKSOURCE_PCLK1
  2072. * @arg @ref LL_RCC_LPUART1_CLKSOURCE_SYSCLK
  2073. * @arg @ref LL_RCC_LPUART1_CLKSOURCE_HSI
  2074. * @arg @ref LL_RCC_LPUART1_CLKSOURCE_LSE
  2075. * @retval None
  2076. */
  2077. __STATIC_INLINE void LL_RCC_SetLPUARTClockSource(uint32_t LPUARTxSource)
  2078. {
  2079. MODIFY_REG(RCC->CCIPR, RCC_CCIPR_LPUART1SEL, LPUARTxSource);
  2080. }
  2081. /**
  2082. * @brief Configure I2Cx clock source
  2083. * @rmtoll CCIPR I2CxSEL LL_RCC_SetI2CClockSource
  2084. * @param I2CxSource This parameter can be one of the following values:
  2085. * @arg @ref LL_RCC_I2C1_CLKSOURCE_PCLK1
  2086. * @arg @ref LL_RCC_I2C1_CLKSOURCE_SYSCLK
  2087. * @arg @ref LL_RCC_I2C1_CLKSOURCE_HSI
  2088. * @arg @ref LL_RCC_I2C2_CLKSOURCE_PCLK1 (*)
  2089. * @arg @ref LL_RCC_I2C2_CLKSOURCE_SYSCLK (*)
  2090. * @arg @ref LL_RCC_I2C2_CLKSOURCE_HSI (*)
  2091. * @arg @ref LL_RCC_I2C3_CLKSOURCE_PCLK1
  2092. * @arg @ref LL_RCC_I2C3_CLKSOURCE_SYSCLK
  2093. * @arg @ref LL_RCC_I2C3_CLKSOURCE_HSI
  2094. * @arg @ref LL_RCC_I2C4_CLKSOURCE_PCLK1 (*)
  2095. * @arg @ref LL_RCC_I2C4_CLKSOURCE_SYSCLK (*)
  2096. * @arg @ref LL_RCC_I2C4_CLKSOURCE_HSI (*)
  2097. *
  2098. * (*) value not defined in all devices.
  2099. * @retval None
  2100. */
  2101. __STATIC_INLINE void LL_RCC_SetI2CClockSource(uint32_t I2CxSource)
  2102. {
  2103. __IO uint32_t *reg = (__IO uint32_t *)(uint32_t)(RCC_BASE + 0x88U + (I2CxSource >> 24U));
  2104. MODIFY_REG(*reg, 3U << ((I2CxSource & 0x00FF0000U) >> 16U), ((I2CxSource & 0x000000FFU) << ((I2CxSource & 0x00FF0000U) >> 16U)));
  2105. }
  2106. /**
  2107. * @brief Configure LPTIMx clock source
  2108. * @rmtoll CCIPR LPTIMxSEL LL_RCC_SetLPTIMClockSource
  2109. * @param LPTIMxSource This parameter can be one of the following values:
  2110. * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_PCLK1
  2111. * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_LSI
  2112. * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_HSI
  2113. * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_LSE
  2114. * @arg @ref LL_RCC_LPTIM2_CLKSOURCE_PCLK1
  2115. * @arg @ref LL_RCC_LPTIM2_CLKSOURCE_LSI
  2116. * @arg @ref LL_RCC_LPTIM2_CLKSOURCE_HSI
  2117. * @arg @ref LL_RCC_LPTIM2_CLKSOURCE_LSE
  2118. * @retval None
  2119. */
  2120. __STATIC_INLINE void LL_RCC_SetLPTIMClockSource(uint32_t LPTIMxSource)
  2121. {
  2122. MODIFY_REG(RCC->CCIPR, (LPTIMxSource & 0xFFFF0000U), (LPTIMxSource << 16U));
  2123. }
  2124. /**
  2125. * @brief Configure SAIx clock source
  2126. * @rmtoll CCIPR SAIxSEL LL_RCC_SetSAIClockSource
  2127. * @param SAIxSource This parameter can be one of the following values:
  2128. * @arg @ref LL_RCC_SAI1_CLKSOURCE_PLLSAI1
  2129. * @arg @ref LL_RCC_SAI1_CLKSOURCE_PLLSAI2 (*)
  2130. * @arg @ref LL_RCC_SAI1_CLKSOURCE_PLL
  2131. * @arg @ref LL_RCC_SAI1_CLKSOURCE_PIN
  2132. * @arg @ref LL_RCC_SAI2_CLKSOURCE_PLLSAI1 (*)
  2133. * @arg @ref LL_RCC_SAI2_CLKSOURCE_PLLSAI2 (*)
  2134. * @arg @ref LL_RCC_SAI2_CLKSOURCE_PLL (*)
  2135. * @arg @ref LL_RCC_SAI2_CLKSOURCE_PIN (*)
  2136. *
  2137. * (*) value not defined in all devices.
  2138. * @retval None
  2139. */
  2140. __STATIC_INLINE void LL_RCC_SetSAIClockSource(uint32_t SAIxSource)
  2141. {
  2142. MODIFY_REG(RCC->CCIPR, (SAIxSource & 0xFFFF0000U), (SAIxSource << 16U));
  2143. }
  2144. /**
  2145. * @brief Configure SDMMC1 clock source
  2146. * @rmtoll CCIPR CLK48SEL LL_RCC_SetSDMMCClockSource
  2147. * @param SDMMCxSource This parameter can be one of the following values:
  2148. * @arg @ref LL_RCC_SDMMC1_CLKSOURCE_NONE (*)
  2149. * @arg @ref LL_RCC_SDMMC1_CLKSOURCE_HSI48 (*)
  2150. * @arg @ref LL_RCC_SDMMC1_CLKSOURCE_PLLSAI1 (*)
  2151. * @arg @ref LL_RCC_SDMMC1_CLKSOURCE_PLL
  2152. * @arg @ref LL_RCC_SDMMC1_CLKSOURCE_MSI
  2153. *
  2154. * (*) value not defined in all devices.
  2155. * @retval None
  2156. */
  2157. __STATIC_INLINE void LL_RCC_SetSDMMCClockSource(uint32_t SDMMCxSource)
  2158. {
  2159. MODIFY_REG(RCC->CCIPR, RCC_CCIPR_CLK48SEL, SDMMCxSource);
  2160. }
  2161. /**
  2162. * @brief Configure RNG clock source
  2163. * @rmtoll CCIPR CLK48SEL LL_RCC_SetRNGClockSource
  2164. * @param RNGxSource This parameter can be one of the following values:
  2165. * @arg @ref LL_RCC_RNG_CLKSOURCE_NONE (*)
  2166. * @arg @ref LL_RCC_RNG_CLKSOURCE_HSI48 (*)
  2167. * @arg @ref LL_RCC_RNG_CLKSOURCE_PLLSAI1
  2168. * @arg @ref LL_RCC_RNG_CLKSOURCE_PLL
  2169. * @arg @ref LL_RCC_RNG_CLKSOURCE_MSI
  2170. *
  2171. * (*) value not defined in all devices.
  2172. * @retval None
  2173. */
  2174. __STATIC_INLINE void LL_RCC_SetRNGClockSource(uint32_t RNGxSource)
  2175. {
  2176. MODIFY_REG(RCC->CCIPR, RCC_CCIPR_CLK48SEL, RNGxSource);
  2177. }
  2178. #if defined(USB_OTG_FS) || defined(USB)
  2179. /**
  2180. * @brief Configure USB clock source
  2181. * @rmtoll CCIPR CLK48SEL LL_RCC_SetUSBClockSource
  2182. * @param USBxSource This parameter can be one of the following values:
  2183. * @arg @ref LL_RCC_USB_CLKSOURCE_NONE (*)
  2184. * @arg @ref LL_RCC_USB_CLKSOURCE_HSI48 (*)
  2185. * @arg @ref LL_RCC_USB_CLKSOURCE_PLLSAI1
  2186. * @arg @ref LL_RCC_USB_CLKSOURCE_PLL
  2187. * @arg @ref LL_RCC_USB_CLKSOURCE_MSI
  2188. *
  2189. * (*) value not defined in all devices.
  2190. * @retval None
  2191. */
  2192. __STATIC_INLINE void LL_RCC_SetUSBClockSource(uint32_t USBxSource)
  2193. {
  2194. MODIFY_REG(RCC->CCIPR, RCC_CCIPR_CLK48SEL, USBxSource);
  2195. }
  2196. #endif /* USB_OTG_FS || USB */
  2197. /**
  2198. * @brief Configure ADC clock source
  2199. * @rmtoll CCIPR ADCSEL LL_RCC_SetADCClockSource
  2200. * @param ADCxSource This parameter can be one of the following values:
  2201. * @arg @ref LL_RCC_ADC_CLKSOURCE_NONE
  2202. * @arg @ref LL_RCC_ADC_CLKSOURCE_PLLSAI1
  2203. * @arg @ref LL_RCC_ADC_CLKSOURCE_PLLSAI2 (*)
  2204. * @arg @ref LL_RCC_ADC_CLKSOURCE_SYSCLK
  2205. *
  2206. * (*) value not defined in all devices.
  2207. * @retval None
  2208. */
  2209. __STATIC_INLINE void LL_RCC_SetADCClockSource(uint32_t ADCxSource)
  2210. {
  2211. MODIFY_REG(RCC->CCIPR, RCC_CCIPR_ADCSEL, ADCxSource);
  2212. }
  2213. #if defined(SWPMI1)
  2214. /**
  2215. * @brief Configure SWPMI clock source
  2216. * @rmtoll CCIPR SWPMI1SEL LL_RCC_SetSWPMIClockSource
  2217. * @param SWPMIxSource This parameter can be one of the following values:
  2218. * @arg @ref LL_RCC_SWPMI1_CLKSOURCE_PCLK1
  2219. * @arg @ref LL_RCC_SWPMI1_CLKSOURCE_HSI
  2220. * @retval None
  2221. */
  2222. __STATIC_INLINE void LL_RCC_SetSWPMIClockSource(uint32_t SWPMIxSource)
  2223. {
  2224. MODIFY_REG(RCC->CCIPR, RCC_CCIPR_SWPMI1SEL, SWPMIxSource);
  2225. }
  2226. #endif /* SWPMI1 */
  2227. #if defined(DFSDM1_Channel0)
  2228. /**
  2229. * @brief Configure DFSDM Kernel clock source
  2230. * @rmtoll CCIPR DFSDM1SEL LL_RCC_SetDFSDMClockSource
  2231. * @param DFSDMxSource This parameter can be one of the following values:
  2232. * @arg @ref LL_RCC_DFSDM1_CLKSOURCE_PCLK2
  2233. * @arg @ref LL_RCC_DFSDM1_CLKSOURCE_SYSCLK
  2234. * @retval None
  2235. */
  2236. __STATIC_INLINE void LL_RCC_SetDFSDMClockSource(uint32_t DFSDMxSource)
  2237. {
  2238. MODIFY_REG(RCC->CCIPR, RCC_CCIPR_DFSDM1SEL, DFSDMxSource);
  2239. }
  2240. #endif /* DFSDM1_Channel0 */
  2241. /**
  2242. * @brief Get USARTx clock source
  2243. * @rmtoll CCIPR USARTxSEL LL_RCC_GetUSARTClockSource
  2244. * @param USARTx This parameter can be one of the following values:
  2245. * @arg @ref LL_RCC_USART1_CLKSOURCE
  2246. * @arg @ref LL_RCC_USART2_CLKSOURCE
  2247. * @arg @ref LL_RCC_USART3_CLKSOURCE (*)
  2248. *
  2249. * (*) value not defined in all devices.
  2250. * @retval Returned value can be one of the following values:
  2251. * @arg @ref LL_RCC_USART1_CLKSOURCE_PCLK2
  2252. * @arg @ref LL_RCC_USART1_CLKSOURCE_SYSCLK
  2253. * @arg @ref LL_RCC_USART1_CLKSOURCE_HSI
  2254. * @arg @ref LL_RCC_USART1_CLKSOURCE_LSE
  2255. * @arg @ref LL_RCC_USART2_CLKSOURCE_PCLK1
  2256. * @arg @ref LL_RCC_USART2_CLKSOURCE_SYSCLK
  2257. * @arg @ref LL_RCC_USART2_CLKSOURCE_HSI
  2258. * @arg @ref LL_RCC_USART2_CLKSOURCE_LSE
  2259. * @arg @ref LL_RCC_USART3_CLKSOURCE_PCLK1 (*)
  2260. * @arg @ref LL_RCC_USART3_CLKSOURCE_SYSCLK (*)
  2261. * @arg @ref LL_RCC_USART3_CLKSOURCE_HSI (*)
  2262. * @arg @ref LL_RCC_USART3_CLKSOURCE_LSE (*)
  2263. *
  2264. * (*) value not defined in all devices.
  2265. */
  2266. __STATIC_INLINE uint32_t LL_RCC_GetUSARTClockSource(uint32_t USARTx)
  2267. {
  2268. return (uint32_t)(READ_BIT(RCC->CCIPR, USARTx) | (USARTx << 16U));
  2269. }
  2270. #if defined(UART4) || defined(UART5)
  2271. /**
  2272. * @brief Get UARTx clock source
  2273. * @rmtoll CCIPR UARTxSEL LL_RCC_GetUARTClockSource
  2274. * @param UARTx This parameter can be one of the following values:
  2275. * @arg @ref LL_RCC_UART4_CLKSOURCE
  2276. * @arg @ref LL_RCC_UART5_CLKSOURCE
  2277. * @retval Returned value can be one of the following values:
  2278. * @arg @ref LL_RCC_UART4_CLKSOURCE_PCLK1
  2279. * @arg @ref LL_RCC_UART4_CLKSOURCE_SYSCLK
  2280. * @arg @ref LL_RCC_UART4_CLKSOURCE_HSI
  2281. * @arg @ref LL_RCC_UART4_CLKSOURCE_LSE
  2282. * @arg @ref LL_RCC_UART5_CLKSOURCE_PCLK1
  2283. * @arg @ref LL_RCC_UART5_CLKSOURCE_SYSCLK
  2284. * @arg @ref LL_RCC_UART5_CLKSOURCE_HSI
  2285. * @arg @ref LL_RCC_UART5_CLKSOURCE_LSE
  2286. */
  2287. __STATIC_INLINE uint32_t LL_RCC_GetUARTClockSource(uint32_t UARTx)
  2288. {
  2289. return (uint32_t)(READ_BIT(RCC->CCIPR, UARTx) | (UARTx << 16U));
  2290. }
  2291. #endif /* UART4 || UART5 */
  2292. /**
  2293. * @brief Get LPUARTx clock source
  2294. * @rmtoll CCIPR LPUART1SEL LL_RCC_GetLPUARTClockSource
  2295. * @param LPUARTx This parameter can be one of the following values:
  2296. * @arg @ref LL_RCC_LPUART1_CLKSOURCE
  2297. * @retval Returned value can be one of the following values:
  2298. * @arg @ref LL_RCC_LPUART1_CLKSOURCE_PCLK1
  2299. * @arg @ref LL_RCC_LPUART1_CLKSOURCE_SYSCLK
  2300. * @arg @ref LL_RCC_LPUART1_CLKSOURCE_HSI
  2301. * @arg @ref LL_RCC_LPUART1_CLKSOURCE_LSE
  2302. */
  2303. __STATIC_INLINE uint32_t LL_RCC_GetLPUARTClockSource(uint32_t LPUARTx)
  2304. {
  2305. return (uint32_t)(READ_BIT(RCC->CCIPR, LPUARTx));
  2306. }
  2307. /**
  2308. * @brief Get I2Cx clock source
  2309. * @rmtoll CCIPR I2CxSEL LL_RCC_GetI2CClockSource
  2310. * @param I2Cx This parameter can be one of the following values:
  2311. * @arg @ref LL_RCC_I2C1_CLKSOURCE
  2312. * @arg @ref LL_RCC_I2C2_CLKSOURCE (*)
  2313. * @arg @ref LL_RCC_I2C3_CLKSOURCE
  2314. * @arg @ref LL_RCC_I2C4_CLKSOURCE (*)
  2315. *
  2316. * (*) value not defined in all devices.
  2317. * @retval Returned value can be one of the following values:
  2318. * @arg @ref LL_RCC_I2C1_CLKSOURCE_PCLK1
  2319. * @arg @ref LL_RCC_I2C1_CLKSOURCE_SYSCLK
  2320. * @arg @ref LL_RCC_I2C1_CLKSOURCE_HSI
  2321. * @arg @ref LL_RCC_I2C2_CLKSOURCE_PCLK1 (*)
  2322. * @arg @ref LL_RCC_I2C2_CLKSOURCE_SYSCLK (*)
  2323. * @arg @ref LL_RCC_I2C2_CLKSOURCE_HSI (*)
  2324. * @arg @ref LL_RCC_I2C3_CLKSOURCE_PCLK1
  2325. * @arg @ref LL_RCC_I2C3_CLKSOURCE_SYSCLK
  2326. * @arg @ref LL_RCC_I2C3_CLKSOURCE_HSI
  2327. * @arg @ref LL_RCC_I2C4_CLKSOURCE_PCLK1 (*)
  2328. * @arg @ref LL_RCC_I2C4_CLKSOURCE_SYSCLK (*)
  2329. * @arg @ref LL_RCC_I2C4_CLKSOURCE_HSI (*)
  2330. *
  2331. * (*) value not defined in all devices.
  2332. */
  2333. __STATIC_INLINE uint32_t LL_RCC_GetI2CClockSource(uint32_t I2Cx)
  2334. {
  2335. __IO uint32_t *reg = (__IO uint32_t *)(uint32_t)(RCC_BASE + 0x88U + (I2Cx >> 24U));
  2336. return (uint32_t)((READ_BIT(*reg, 3U << ((I2Cx & 0x0000FF0000U) >> 16U)) >> ((I2Cx & 0x0000FF0000U) >> 16U)) | (I2Cx & 0xFFFF0000U));
  2337. }
  2338. /**
  2339. * @brief Get LPTIMx clock source
  2340. * @rmtoll CCIPR LPTIMxSEL LL_RCC_GetLPTIMClockSource
  2341. * @param LPTIMx This parameter can be one of the following values:
  2342. * @arg @ref LL_RCC_LPTIM1_CLKSOURCE
  2343. * @arg @ref LL_RCC_LPTIM2_CLKSOURCE
  2344. * @retval Returned value can be one of the following values:
  2345. * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_PCLK1
  2346. * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_LSI
  2347. * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_HSI
  2348. * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_LSE
  2349. * @arg @ref LL_RCC_LPTIM2_CLKSOURCE_PCLK1
  2350. * @arg @ref LL_RCC_LPTIM2_CLKSOURCE_LSI
  2351. * @arg @ref LL_RCC_LPTIM2_CLKSOURCE_HSI
  2352. * @arg @ref LL_RCC_LPTIM2_CLKSOURCE_LSE
  2353. */
  2354. __STATIC_INLINE uint32_t LL_RCC_GetLPTIMClockSource(uint32_t LPTIMx)
  2355. {
  2356. return (uint32_t)(READ_BIT(RCC->CCIPR, LPTIMx) >> 16U | LPTIMx);
  2357. }
  2358. /**
  2359. * @brief Get SAIx clock source
  2360. * @rmtoll CCIPR SAIxSEL LL_RCC_GetSAIClockSource
  2361. * @param SAIx This parameter can be one of the following values:
  2362. * @arg @ref LL_RCC_SAI1_CLKSOURCE
  2363. * @arg @ref LL_RCC_SAI2_CLKSOURCE (*)
  2364. *
  2365. * (*) value not defined in all devices.
  2366. * @retval Returned value can be one of the following values:
  2367. * @arg @ref LL_RCC_SAI1_CLKSOURCE_PLLSAI1
  2368. * @arg @ref LL_RCC_SAI1_CLKSOURCE_PLLSAI2 (*)
  2369. * @arg @ref LL_RCC_SAI1_CLKSOURCE_PLL
  2370. * @arg @ref LL_RCC_SAI1_CLKSOURCE_PIN
  2371. * @arg @ref LL_RCC_SAI2_CLKSOURCE_PLLSAI1 (*)
  2372. * @arg @ref LL_RCC_SAI2_CLKSOURCE_PLLSAI2 (*)
  2373. * @arg @ref LL_RCC_SAI2_CLKSOURCE_PLL (*)
  2374. * @arg @ref LL_RCC_SAI2_CLKSOURCE_PIN (*)
  2375. *
  2376. * (*) value not defined in all devices.
  2377. */
  2378. __STATIC_INLINE uint32_t LL_RCC_GetSAIClockSource(uint32_t SAIx)
  2379. {
  2380. return (uint32_t)(READ_BIT(RCC->CCIPR, SAIx) >> 16U | SAIx);
  2381. }
  2382. /**
  2383. * @brief Get SDMMCx clock source
  2384. * @rmtoll CCIPR CLK48SEL LL_RCC_GetSDMMCClockSource
  2385. * @param SDMMCx This parameter can be one of the following values:
  2386. * @arg @ref LL_RCC_SDMMC1_CLKSOURCE
  2387. * @retval Returned value can be one of the following values:
  2388. * @arg @ref LL_RCC_SDMMC1_CLKSOURCE_NONE (*)
  2389. * @arg @ref LL_RCC_SDMMC1_CLKSOURCE_HSI48 (*)
  2390. * @arg @ref LL_RCC_SDMMC1_CLKSOURCE_PLLSAI1
  2391. * @arg @ref LL_RCC_SDMMC1_CLKSOURCE_PLL
  2392. * @arg @ref LL_RCC_SDMMC1_CLKSOURCE_MSI
  2393. *
  2394. * (*) value not defined in all devices.
  2395. */
  2396. __STATIC_INLINE uint32_t LL_RCC_GetSDMMCClockSource(uint32_t SDMMCx)
  2397. {
  2398. return (uint32_t)(READ_BIT(RCC->CCIPR, SDMMCx));
  2399. }
  2400. /**
  2401. * @brief Get RNGx clock source
  2402. * @rmtoll CCIPR CLK48SEL LL_RCC_GetRNGClockSource
  2403. * @param RNGx This parameter can be one of the following values:
  2404. * @arg @ref LL_RCC_RNG_CLKSOURCE
  2405. * @retval Returned value can be one of the following values:
  2406. * @arg @ref LL_RCC_RNG_CLKSOURCE_NONE (*)
  2407. * @arg @ref LL_RCC_RNG_CLKSOURCE_HSI48 (*)
  2408. * @arg @ref LL_RCC_RNG_CLKSOURCE_PLLSAI1
  2409. * @arg @ref LL_RCC_RNG_CLKSOURCE_PLL
  2410. * @arg @ref LL_RCC_RNG_CLKSOURCE_MSI
  2411. *
  2412. * (*) value not defined in all devices.
  2413. */
  2414. __STATIC_INLINE uint32_t LL_RCC_GetRNGClockSource(uint32_t RNGx)
  2415. {
  2416. return (uint32_t)(READ_BIT(RCC->CCIPR, RNGx));
  2417. }
  2418. #if defined(USB_OTG_FS) || defined(USB)
  2419. /**
  2420. * @brief Get USBx clock source
  2421. * @rmtoll CCIPR CLK48SEL LL_RCC_GetUSBClockSource
  2422. * @param USBx This parameter can be one of the following values:
  2423. * @arg @ref LL_RCC_USB_CLKSOURCE
  2424. * @retval Returned value can be one of the following values:
  2425. * @arg @ref LL_RCC_USB_CLKSOURCE_NONE (*)
  2426. * @arg @ref LL_RCC_USB_CLKSOURCE_HSI48 (*)
  2427. * @arg @ref LL_RCC_USB_CLKSOURCE_PLLSAI1
  2428. * @arg @ref LL_RCC_USB_CLKSOURCE_PLL
  2429. * @arg @ref LL_RCC_USB_CLKSOURCE_MSI
  2430. *
  2431. * (*) value not defined in all devices.
  2432. */
  2433. __STATIC_INLINE uint32_t LL_RCC_GetUSBClockSource(uint32_t USBx)
  2434. {
  2435. return (uint32_t)(READ_BIT(RCC->CCIPR, USBx));
  2436. }
  2437. #endif /* USB_OTG_FS || USB */
  2438. /**
  2439. * @brief Get ADCx clock source
  2440. * @rmtoll CCIPR ADCSEL LL_RCC_GetADCClockSource
  2441. * @param ADCx This parameter can be one of the following values:
  2442. * @arg @ref LL_RCC_ADC_CLKSOURCE
  2443. * @retval Returned value can be one of the following values:
  2444. * @arg @ref LL_RCC_ADC_CLKSOURCE_NONE
  2445. * @arg @ref LL_RCC_ADC_CLKSOURCE_PLLSAI1
  2446. * @arg @ref LL_RCC_ADC_CLKSOURCE_PLLSAI2 (*)
  2447. * @arg @ref LL_RCC_ADC_CLKSOURCE_SYSCLK
  2448. *
  2449. * (*) value not defined in all devices.
  2450. */
  2451. __STATIC_INLINE uint32_t LL_RCC_GetADCClockSource(uint32_t ADCx)
  2452. {
  2453. return (uint32_t)(READ_BIT(RCC->CCIPR, ADCx));
  2454. }
  2455. #if defined(SWPMI1)
  2456. /**
  2457. * @brief Get SWPMIx clock source
  2458. * @rmtoll CCIPR SWPMI1SEL LL_RCC_GetSWPMIClockSource
  2459. * @param SPWMIx This parameter can be one of the following values:
  2460. * @arg @ref LL_RCC_SWPMI1_CLKSOURCE
  2461. * @retval Returned value can be one of the following values:
  2462. * @arg @ref LL_RCC_SWPMI1_CLKSOURCE_PCLK1
  2463. * @arg @ref LL_RCC_SWPMI1_CLKSOURCE_HSI
  2464. */
  2465. __STATIC_INLINE uint32_t LL_RCC_GetSWPMIClockSource(uint32_t SPWMIx)
  2466. {
  2467. return (uint32_t)(READ_BIT(RCC->CCIPR, SPWMIx));
  2468. }
  2469. #endif /* SWPMI1 */
  2470. #if defined(DFSDM1_Channel0)
  2471. /**
  2472. * @brief Get DFSDMx Kernel clock source
  2473. * @rmtoll CCIPR DFSDM1SEL LL_RCC_GetDFSDMClockSource
  2474. * @param DFSDMx This parameter can be one of the following values:
  2475. * @arg @ref LL_RCC_DFSDM1_CLKSOURCE
  2476. * @retval Returned value can be one of the following values:
  2477. * @arg @ref LL_RCC_DFSDM1_CLKSOURCE_PCLK2
  2478. * @arg @ref LL_RCC_DFSDM1_CLKSOURCE_SYSCLK
  2479. */
  2480. __STATIC_INLINE uint32_t LL_RCC_GetDFSDMClockSource(uint32_t DFSDMx)
  2481. {
  2482. return (uint32_t)(READ_BIT(RCC->CCIPR, DFSDMx));
  2483. }
  2484. #endif /* DFSDM1_Channel0 */
  2485. /**
  2486. * @}
  2487. */
  2488. /** @defgroup RCC_LL_EF_RTC RTC
  2489. * @{
  2490. */
  2491. /**
  2492. * @brief Set RTC Clock Source
  2493. * @note Once the RTC clock source has been selected, it cannot be changed anymore unless
  2494. * the Backup domain is reset, or unless a failure is detected on LSE (LSECSSD is
  2495. * set). The BDRST bit can be used to reset them.
  2496. * @rmtoll BDCR RTCSEL LL_RCC_SetRTCClockSource
  2497. * @param Source This parameter can be one of the following values:
  2498. * @arg @ref LL_RCC_RTC_CLKSOURCE_NONE
  2499. * @arg @ref LL_RCC_RTC_CLKSOURCE_LSE
  2500. * @arg @ref LL_RCC_RTC_CLKSOURCE_LSI
  2501. * @arg @ref LL_RCC_RTC_CLKSOURCE_HSE_DIV32
  2502. * @retval None
  2503. */
  2504. __STATIC_INLINE void LL_RCC_SetRTCClockSource(uint32_t Source)
  2505. {
  2506. MODIFY_REG(RCC->BDCR, RCC_BDCR_RTCSEL, Source);
  2507. }
  2508. /**
  2509. * @brief Get RTC Clock Source
  2510. * @rmtoll BDCR RTCSEL LL_RCC_GetRTCClockSource
  2511. * @retval Returned value can be one of the following values:
  2512. * @arg @ref LL_RCC_RTC_CLKSOURCE_NONE
  2513. * @arg @ref LL_RCC_RTC_CLKSOURCE_LSE
  2514. * @arg @ref LL_RCC_RTC_CLKSOURCE_LSI
  2515. * @arg @ref LL_RCC_RTC_CLKSOURCE_HSE_DIV32
  2516. */
  2517. __STATIC_INLINE uint32_t LL_RCC_GetRTCClockSource(void)
  2518. {
  2519. return (uint32_t)(READ_BIT(RCC->BDCR, RCC_BDCR_RTCSEL));
  2520. }
  2521. /**
  2522. * @brief Enable RTC
  2523. * @rmtoll BDCR RTCEN LL_RCC_EnableRTC
  2524. * @retval None
  2525. */
  2526. __STATIC_INLINE void LL_RCC_EnableRTC(void)
  2527. {
  2528. SET_BIT(RCC->BDCR, RCC_BDCR_RTCEN);
  2529. }
  2530. /**
  2531. * @brief Disable RTC
  2532. * @rmtoll BDCR RTCEN LL_RCC_DisableRTC
  2533. * @retval None
  2534. */
  2535. __STATIC_INLINE void LL_RCC_DisableRTC(void)
  2536. {
  2537. CLEAR_BIT(RCC->BDCR, RCC_BDCR_RTCEN);
  2538. }
  2539. /**
  2540. * @brief Check if RTC has been enabled or not
  2541. * @rmtoll BDCR RTCEN LL_RCC_IsEnabledRTC
  2542. * @retval State of bit (1 or 0).
  2543. */
  2544. __STATIC_INLINE uint32_t LL_RCC_IsEnabledRTC(void)
  2545. {
  2546. return (READ_BIT(RCC->BDCR, RCC_BDCR_RTCEN) == (RCC_BDCR_RTCEN));
  2547. }
  2548. /**
  2549. * @brief Force the Backup domain reset
  2550. * @rmtoll BDCR BDRST LL_RCC_ForceBackupDomainReset
  2551. * @retval None
  2552. */
  2553. __STATIC_INLINE void LL_RCC_ForceBackupDomainReset(void)
  2554. {
  2555. SET_BIT(RCC->BDCR, RCC_BDCR_BDRST);
  2556. }
  2557. /**
  2558. * @brief Release the Backup domain reset
  2559. * @rmtoll BDCR BDRST LL_RCC_ReleaseBackupDomainReset
  2560. * @retval None
  2561. */
  2562. __STATIC_INLINE void LL_RCC_ReleaseBackupDomainReset(void)
  2563. {
  2564. CLEAR_BIT(RCC->BDCR, RCC_BDCR_BDRST);
  2565. }
  2566. /**
  2567. * @}
  2568. */
  2569. /** @defgroup RCC_LL_EF_PLL PLL
  2570. * @{
  2571. */
  2572. /**
  2573. * @brief Enable PLL
  2574. * @rmtoll CR PLLON LL_RCC_PLL_Enable
  2575. * @retval None
  2576. */
  2577. __STATIC_INLINE void LL_RCC_PLL_Enable(void)
  2578. {
  2579. SET_BIT(RCC->CR, RCC_CR_PLLON);
  2580. }
  2581. /**
  2582. * @brief Disable PLL
  2583. * @note Cannot be disabled if the PLL clock is used as the system clock
  2584. * @rmtoll CR PLLON LL_RCC_PLL_Disable
  2585. * @retval None
  2586. */
  2587. __STATIC_INLINE void LL_RCC_PLL_Disable(void)
  2588. {
  2589. CLEAR_BIT(RCC->CR, RCC_CR_PLLON);
  2590. }
  2591. /**
  2592. * @brief Check if PLL Ready
  2593. * @rmtoll CR PLLRDY LL_RCC_PLL_IsReady
  2594. * @retval State of bit (1 or 0).
  2595. */
  2596. __STATIC_INLINE uint32_t LL_RCC_PLL_IsReady(void)
  2597. {
  2598. return (READ_BIT(RCC->CR, RCC_CR_PLLRDY) == (RCC_CR_PLLRDY));
  2599. }
  2600. /**
  2601. * @brief Configure PLL used for SYSCLK Domain
  2602. * @note PLL Source and PLLM Divider can be written only when PLL,
  2603. * PLLSAI1 and PLLSAI2 (*) are disabled
  2604. * @note PLLN/PLLR can be written only when PLL is disabled
  2605. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLL_ConfigDomain_SYS\n
  2606. * PLLCFGR PLLM LL_RCC_PLL_ConfigDomain_SYS\n
  2607. * PLLCFGR PLLN LL_RCC_PLL_ConfigDomain_SYS\n
  2608. * PLLCFGR PLLR LL_RCC_PLL_ConfigDomain_SYS
  2609. * @param Source This parameter can be one of the following values:
  2610. * @arg @ref LL_RCC_PLLSOURCE_NONE
  2611. * @arg @ref LL_RCC_PLLSOURCE_MSI
  2612. * @arg @ref LL_RCC_PLLSOURCE_HSI
  2613. * @arg @ref LL_RCC_PLLSOURCE_HSE
  2614. * @param PLLM This parameter can be one of the following values:
  2615. * @arg @ref LL_RCC_PLLM_DIV_1
  2616. * @arg @ref LL_RCC_PLLM_DIV_2
  2617. * @arg @ref LL_RCC_PLLM_DIV_3
  2618. * @arg @ref LL_RCC_PLLM_DIV_4
  2619. * @arg @ref LL_RCC_PLLM_DIV_5
  2620. * @arg @ref LL_RCC_PLLM_DIV_6
  2621. * @arg @ref LL_RCC_PLLM_DIV_7
  2622. * @arg @ref LL_RCC_PLLM_DIV_8
  2623. * @param PLLN Between 8 and 86
  2624. * @param PLLR This parameter can be one of the following values:
  2625. * @arg @ref LL_RCC_PLLR_DIV_2
  2626. * @arg @ref LL_RCC_PLLR_DIV_4
  2627. * @arg @ref LL_RCC_PLLR_DIV_6
  2628. * @arg @ref LL_RCC_PLLR_DIV_8
  2629. * @retval None
  2630. */
  2631. __STATIC_INLINE void LL_RCC_PLL_ConfigDomain_SYS(uint32_t Source, uint32_t PLLM, uint32_t PLLN, uint32_t PLLR)
  2632. {
  2633. MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC | RCC_PLLCFGR_PLLM | RCC_PLLCFGR_PLLN | RCC_PLLCFGR_PLLR,
  2634. Source | PLLM | PLLN << RCC_PLLCFGR_PLLN_Pos | PLLR);
  2635. }
  2636. #if defined(RCC_PLLP_DIV_2_31_SUPPORT)
  2637. /**
  2638. * @brief Configure PLL used for SAI domain clock
  2639. * @note PLL Source and PLLM Divider can be written only when PLL,
  2640. * PLLSAI1 and PLLSAI2 (*) are disabled
  2641. * @note PLLN/PLLP can be written only when PLL is disabled
  2642. * @note This can be selected for SAI1 or SAI2 (*)
  2643. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLL_ConfigDomain_SAI\n
  2644. * PLLCFGR PLLM LL_RCC_PLL_ConfigDomain_SAI\n
  2645. * PLLCFGR PLLN LL_RCC_PLL_ConfigDomain_SAI\n
  2646. * PLLCFGR PLLPDIV LL_RCC_PLL_ConfigDomain_SAI
  2647. * @param Source This parameter can be one of the following values:
  2648. * @arg @ref LL_RCC_PLLSOURCE_NONE
  2649. * @arg @ref LL_RCC_PLLSOURCE_MSI
  2650. * @arg @ref LL_RCC_PLLSOURCE_HSI
  2651. * @arg @ref LL_RCC_PLLSOURCE_HSE
  2652. * @param PLLM This parameter can be one of the following values:
  2653. * @arg @ref LL_RCC_PLLM_DIV_1
  2654. * @arg @ref LL_RCC_PLLM_DIV_2
  2655. * @arg @ref LL_RCC_PLLM_DIV_3
  2656. * @arg @ref LL_RCC_PLLM_DIV_4
  2657. * @arg @ref LL_RCC_PLLM_DIV_5
  2658. * @arg @ref LL_RCC_PLLM_DIV_6
  2659. * @arg @ref LL_RCC_PLLM_DIV_7
  2660. * @arg @ref LL_RCC_PLLM_DIV_8
  2661. * @param PLLN Between 8 and 86
  2662. * @param PLLP This parameter can be one of the following values:
  2663. * @arg @ref LL_RCC_PLLP_DIV_2
  2664. * @arg @ref LL_RCC_PLLP_DIV_3
  2665. * @arg @ref LL_RCC_PLLP_DIV_4
  2666. * @arg @ref LL_RCC_PLLP_DIV_5
  2667. * @arg @ref LL_RCC_PLLP_DIV_6
  2668. * @arg @ref LL_RCC_PLLP_DIV_7
  2669. * @arg @ref LL_RCC_PLLP_DIV_8
  2670. * @arg @ref LL_RCC_PLLP_DIV_9
  2671. * @arg @ref LL_RCC_PLLP_DIV_10
  2672. * @arg @ref LL_RCC_PLLP_DIV_11
  2673. * @arg @ref LL_RCC_PLLP_DIV_12
  2674. * @arg @ref LL_RCC_PLLP_DIV_13
  2675. * @arg @ref LL_RCC_PLLP_DIV_14
  2676. * @arg @ref LL_RCC_PLLP_DIV_15
  2677. * @arg @ref LL_RCC_PLLP_DIV_16
  2678. * @arg @ref LL_RCC_PLLP_DIV_17
  2679. * @arg @ref LL_RCC_PLLP_DIV_18
  2680. * @arg @ref LL_RCC_PLLP_DIV_19
  2681. * @arg @ref LL_RCC_PLLP_DIV_20
  2682. * @arg @ref LL_RCC_PLLP_DIV_21
  2683. * @arg @ref LL_RCC_PLLP_DIV_22
  2684. * @arg @ref LL_RCC_PLLP_DIV_23
  2685. * @arg @ref LL_RCC_PLLP_DIV_24
  2686. * @arg @ref LL_RCC_PLLP_DIV_25
  2687. * @arg @ref LL_RCC_PLLP_DIV_26
  2688. * @arg @ref LL_RCC_PLLP_DIV_27
  2689. * @arg @ref LL_RCC_PLLP_DIV_28
  2690. * @arg @ref LL_RCC_PLLP_DIV_29
  2691. * @arg @ref LL_RCC_PLLP_DIV_30
  2692. * @arg @ref LL_RCC_PLLP_DIV_31
  2693. * @retval None
  2694. */
  2695. #else
  2696. /**
  2697. * @brief Configure PLL used for SAI domain clock
  2698. * @note PLL Source and PLLM Divider can be written only when PLL,
  2699. * PLLSAI1 and PLLSAI2 (*) are disabled
  2700. * @note PLLN/PLLP can be written only when PLL is disabled
  2701. * @note This can be selected for SAI1 or SAI2 (*)
  2702. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLL_ConfigDomain_SAI\n
  2703. * PLLCFGR PLLM LL_RCC_PLL_ConfigDomain_SAI\n
  2704. * PLLCFGR PLLN LL_RCC_PLL_ConfigDomain_SAI\n
  2705. * PLLCFGR PLLP LL_RCC_PLL_ConfigDomain_SAI
  2706. * @param Source This parameter can be one of the following values:
  2707. * @arg @ref LL_RCC_PLLSOURCE_NONE
  2708. * @arg @ref LL_RCC_PLLSOURCE_MSI
  2709. * @arg @ref LL_RCC_PLLSOURCE_HSI
  2710. * @arg @ref LL_RCC_PLLSOURCE_HSE
  2711. * @param PLLM This parameter can be one of the following values:
  2712. * @arg @ref LL_RCC_PLLM_DIV_1
  2713. * @arg @ref LL_RCC_PLLM_DIV_2
  2714. * @arg @ref LL_RCC_PLLM_DIV_3
  2715. * @arg @ref LL_RCC_PLLM_DIV_4
  2716. * @arg @ref LL_RCC_PLLM_DIV_5
  2717. * @arg @ref LL_RCC_PLLM_DIV_6
  2718. * @arg @ref LL_RCC_PLLM_DIV_7
  2719. * @arg @ref LL_RCC_PLLM_DIV_8
  2720. * @param PLLN Between 8 and 86
  2721. * @param PLLP This parameter can be one of the following values:
  2722. * @arg @ref LL_RCC_PLLP_DIV_7
  2723. * @arg @ref LL_RCC_PLLP_DIV_17
  2724. * @retval None
  2725. */
  2726. #endif /* RCC_PLLP_DIV_2_31_SUPPORT */
  2727. __STATIC_INLINE void LL_RCC_PLL_ConfigDomain_SAI(uint32_t Source, uint32_t PLLM, uint32_t PLLN, uint32_t PLLP)
  2728. {
  2729. #if defined(RCC_PLLP_DIV_2_31_SUPPORT)
  2730. MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC | RCC_PLLCFGR_PLLM | RCC_PLLCFGR_PLLN | RCC_PLLCFGR_PLLPDIV,
  2731. Source | PLLM | PLLN << RCC_PLLCFGR_PLLN_Pos | PLLP);
  2732. #else
  2733. MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC | RCC_PLLCFGR_PLLM | RCC_PLLCFGR_PLLN | RCC_PLLCFGR_PLLP,
  2734. Source | PLLM | PLLN << RCC_PLLCFGR_PLLN_Pos | PLLP);
  2735. #endif /* RCC_PLLP_DIV_2_31_SUPPORT */
  2736. }
  2737. /**
  2738. * @brief Configure PLL used for 48Mhz domain clock
  2739. * @note PLL Source and PLLM Divider can be written only when PLL,
  2740. * PLLSAI1 and PLLSAI2 (*) are disabled
  2741. * @note PLLN/PLLQ can be written only when PLL is disabled
  2742. * @note This can be selected for USB, RNG, SDMMC
  2743. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLL_ConfigDomain_48M\n
  2744. * PLLCFGR PLLM LL_RCC_PLL_ConfigDomain_48M\n
  2745. * PLLCFGR PLLN LL_RCC_PLL_ConfigDomain_48M\n
  2746. * PLLCFGR PLLQ LL_RCC_PLL_ConfigDomain_48M
  2747. * @param Source This parameter can be one of the following values:
  2748. * @arg @ref LL_RCC_PLLSOURCE_NONE
  2749. * @arg @ref LL_RCC_PLLSOURCE_MSI
  2750. * @arg @ref LL_RCC_PLLSOURCE_HSI
  2751. * @arg @ref LL_RCC_PLLSOURCE_HSE
  2752. * @param PLLM This parameter can be one of the following values:
  2753. * @arg @ref LL_RCC_PLLM_DIV_1
  2754. * @arg @ref LL_RCC_PLLM_DIV_2
  2755. * @arg @ref LL_RCC_PLLM_DIV_3
  2756. * @arg @ref LL_RCC_PLLM_DIV_4
  2757. * @arg @ref LL_RCC_PLLM_DIV_5
  2758. * @arg @ref LL_RCC_PLLM_DIV_6
  2759. * @arg @ref LL_RCC_PLLM_DIV_7
  2760. * @arg @ref LL_RCC_PLLM_DIV_8
  2761. * @param PLLN Between 8 and 86
  2762. * @param PLLQ This parameter can be one of the following values:
  2763. * @arg @ref LL_RCC_PLLQ_DIV_2
  2764. * @arg @ref LL_RCC_PLLQ_DIV_4
  2765. * @arg @ref LL_RCC_PLLQ_DIV_6
  2766. * @arg @ref LL_RCC_PLLQ_DIV_8
  2767. * @retval None
  2768. */
  2769. __STATIC_INLINE void LL_RCC_PLL_ConfigDomain_48M(uint32_t Source, uint32_t PLLM, uint32_t PLLN, uint32_t PLLQ)
  2770. {
  2771. MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC | RCC_PLLCFGR_PLLM | RCC_PLLCFGR_PLLN | RCC_PLLCFGR_PLLQ,
  2772. Source | PLLM | PLLN << RCC_PLLCFGR_PLLN_Pos | PLLQ);
  2773. }
  2774. /**
  2775. * @brief Get Main PLL multiplication factor for VCO
  2776. * @rmtoll PLLCFGR PLLN LL_RCC_PLL_GetN
  2777. * @retval Between 8 and 86
  2778. */
  2779. __STATIC_INLINE uint32_t LL_RCC_PLL_GetN(void)
  2780. {
  2781. return (uint32_t)(READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLN) >> RCC_PLLCFGR_PLLN_Pos);
  2782. }
  2783. #if defined(RCC_PLLP_DIV_2_31_SUPPORT)
  2784. /**
  2785. * @brief Get Main PLL division factor for PLLP
  2786. * @note used for PLLSAI3CLK (SAI1 and SAI2 clock)
  2787. * @rmtoll PLLCFGR PLLPDIV LL_RCC_PLL_GetP
  2788. * @retval Returned value can be one of the following values:
  2789. * @arg @ref LL_RCC_PLLP_DIV_2
  2790. * @arg @ref LL_RCC_PLLP_DIV_3
  2791. * @arg @ref LL_RCC_PLLP_DIV_4
  2792. * @arg @ref LL_RCC_PLLP_DIV_5
  2793. * @arg @ref LL_RCC_PLLP_DIV_6
  2794. * @arg @ref LL_RCC_PLLP_DIV_7
  2795. * @arg @ref LL_RCC_PLLP_DIV_8
  2796. * @arg @ref LL_RCC_PLLP_DIV_9
  2797. * @arg @ref LL_RCC_PLLP_DIV_10
  2798. * @arg @ref LL_RCC_PLLP_DIV_11
  2799. * @arg @ref LL_RCC_PLLP_DIV_12
  2800. * @arg @ref LL_RCC_PLLP_DIV_13
  2801. * @arg @ref LL_RCC_PLLP_DIV_14
  2802. * @arg @ref LL_RCC_PLLP_DIV_15
  2803. * @arg @ref LL_RCC_PLLP_DIV_16
  2804. * @arg @ref LL_RCC_PLLP_DIV_17
  2805. * @arg @ref LL_RCC_PLLP_DIV_18
  2806. * @arg @ref LL_RCC_PLLP_DIV_19
  2807. * @arg @ref LL_RCC_PLLP_DIV_20
  2808. * @arg @ref LL_RCC_PLLP_DIV_21
  2809. * @arg @ref LL_RCC_PLLP_DIV_22
  2810. * @arg @ref LL_RCC_PLLP_DIV_23
  2811. * @arg @ref LL_RCC_PLLP_DIV_24
  2812. * @arg @ref LL_RCC_PLLP_DIV_25
  2813. * @arg @ref LL_RCC_PLLP_DIV_26
  2814. * @arg @ref LL_RCC_PLLP_DIV_27
  2815. * @arg @ref LL_RCC_PLLP_DIV_28
  2816. * @arg @ref LL_RCC_PLLP_DIV_29
  2817. * @arg @ref LL_RCC_PLLP_DIV_30
  2818. * @arg @ref LL_RCC_PLLP_DIV_31
  2819. */
  2820. __STATIC_INLINE uint32_t LL_RCC_PLL_GetP(void)
  2821. {
  2822. return (uint32_t)(READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLPDIV));
  2823. }
  2824. #else
  2825. /**
  2826. * @brief Get Main PLL division factor for PLLP
  2827. * @note used for PLLSAI3CLK (SAI1 and SAI2 clock)
  2828. * @rmtoll PLLCFGR PLLP LL_RCC_PLL_GetP
  2829. * @retval Returned value can be one of the following values:
  2830. * @arg @ref LL_RCC_PLLP_DIV_7
  2831. * @arg @ref LL_RCC_PLLP_DIV_17
  2832. */
  2833. __STATIC_INLINE uint32_t LL_RCC_PLL_GetP(void)
  2834. {
  2835. return (uint32_t)(READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLP));
  2836. }
  2837. #endif /* RCC_PLLP_DIV_2_31_SUPPORT */
  2838. /**
  2839. * @brief Get Main PLL division factor for PLLQ
  2840. * @note used for PLL48M1CLK selected for USB, RNG, SDMMC (48 MHz clock)
  2841. * @rmtoll PLLCFGR PLLQ LL_RCC_PLL_GetQ
  2842. * @retval Returned value can be one of the following values:
  2843. * @arg @ref LL_RCC_PLLQ_DIV_2
  2844. * @arg @ref LL_RCC_PLLQ_DIV_4
  2845. * @arg @ref LL_RCC_PLLQ_DIV_6
  2846. * @arg @ref LL_RCC_PLLQ_DIV_8
  2847. */
  2848. __STATIC_INLINE uint32_t LL_RCC_PLL_GetQ(void)
  2849. {
  2850. return (uint32_t)(READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLQ));
  2851. }
  2852. /**
  2853. * @brief Get Main PLL division factor for PLLR
  2854. * @note used for PLLCLK (system clock)
  2855. * @rmtoll PLLCFGR PLLR LL_RCC_PLL_GetR
  2856. * @retval Returned value can be one of the following values:
  2857. * @arg @ref LL_RCC_PLLR_DIV_2
  2858. * @arg @ref LL_RCC_PLLR_DIV_4
  2859. * @arg @ref LL_RCC_PLLR_DIV_6
  2860. * @arg @ref LL_RCC_PLLR_DIV_8
  2861. */
  2862. __STATIC_INLINE uint32_t LL_RCC_PLL_GetR(void)
  2863. {
  2864. return (uint32_t)(READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLR));
  2865. }
  2866. /**
  2867. * @brief Get the oscillator used as PLL clock source.
  2868. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLL_GetMainSource
  2869. * @retval Returned value can be one of the following values:
  2870. * @arg @ref LL_RCC_PLLSOURCE_NONE
  2871. * @arg @ref LL_RCC_PLLSOURCE_MSI
  2872. * @arg @ref LL_RCC_PLLSOURCE_HSI
  2873. * @arg @ref LL_RCC_PLLSOURCE_HSE
  2874. */
  2875. __STATIC_INLINE uint32_t LL_RCC_PLL_GetMainSource(void)
  2876. {
  2877. return (uint32_t)(READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC));
  2878. }
  2879. /**
  2880. * @brief Get Division factor for the main PLL and other PLL
  2881. * @rmtoll PLLCFGR PLLM LL_RCC_PLL_GetDivider
  2882. * @retval Returned value can be one of the following values:
  2883. * @arg @ref LL_RCC_PLLM_DIV_1
  2884. * @arg @ref LL_RCC_PLLM_DIV_2
  2885. * @arg @ref LL_RCC_PLLM_DIV_3
  2886. * @arg @ref LL_RCC_PLLM_DIV_4
  2887. * @arg @ref LL_RCC_PLLM_DIV_5
  2888. * @arg @ref LL_RCC_PLLM_DIV_6
  2889. * @arg @ref LL_RCC_PLLM_DIV_7
  2890. * @arg @ref LL_RCC_PLLM_DIV_8
  2891. */
  2892. __STATIC_INLINE uint32_t LL_RCC_PLL_GetDivider(void)
  2893. {
  2894. return (uint32_t)(READ_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLM));
  2895. }
  2896. /**
  2897. * @brief Enable PLL output mapped on SAI domain clock
  2898. * @rmtoll PLLCFGR PLLPEN LL_RCC_PLL_EnableDomain_SAI
  2899. * @retval None
  2900. */
  2901. __STATIC_INLINE void LL_RCC_PLL_EnableDomain_SAI(void)
  2902. {
  2903. SET_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLPEN);
  2904. }
  2905. /**
  2906. * @brief Disable PLL output mapped on SAI domain clock
  2907. * @note Cannot be disabled if the PLL clock is used as the system
  2908. * clock
  2909. * @note In order to save power, when the PLLCLK of the PLL is
  2910. * not used, should be 0
  2911. * @rmtoll PLLCFGR PLLPEN LL_RCC_PLL_DisableDomain_SAI
  2912. * @retval None
  2913. */
  2914. __STATIC_INLINE void LL_RCC_PLL_DisableDomain_SAI(void)
  2915. {
  2916. CLEAR_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLPEN);
  2917. }
  2918. /**
  2919. * @brief Enable PLL output mapped on 48MHz domain clock
  2920. * @rmtoll PLLCFGR PLLQEN LL_RCC_PLL_EnableDomain_48M
  2921. * @retval None
  2922. */
  2923. __STATIC_INLINE void LL_RCC_PLL_EnableDomain_48M(void)
  2924. {
  2925. SET_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLQEN);
  2926. }
  2927. /**
  2928. * @brief Disable PLL output mapped on 48MHz domain clock
  2929. * @note Cannot be disabled if the PLL clock is used as the system
  2930. * clock
  2931. * @note In order to save power, when the PLLCLK of the PLL is
  2932. * not used, should be 0
  2933. * @rmtoll PLLCFGR PLLQEN LL_RCC_PLL_DisableDomain_48M
  2934. * @retval None
  2935. */
  2936. __STATIC_INLINE void LL_RCC_PLL_DisableDomain_48M(void)
  2937. {
  2938. CLEAR_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLQEN);
  2939. }
  2940. /**
  2941. * @brief Enable PLL output mapped on SYSCLK domain
  2942. * @rmtoll PLLCFGR PLLREN LL_RCC_PLL_EnableDomain_SYS
  2943. * @retval None
  2944. */
  2945. __STATIC_INLINE void LL_RCC_PLL_EnableDomain_SYS(void)
  2946. {
  2947. SET_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLREN);
  2948. }
  2949. /**
  2950. * @brief Disable PLL output mapped on SYSCLK domain
  2951. * @note Cannot be disabled if the PLL clock is used as the system
  2952. * clock
  2953. * @note In order to save power, when the PLLCLK of the PLL is
  2954. * not used, Main PLL should be 0
  2955. * @rmtoll PLLCFGR PLLREN LL_RCC_PLL_DisableDomain_SYS
  2956. * @retval None
  2957. */
  2958. __STATIC_INLINE void LL_RCC_PLL_DisableDomain_SYS(void)
  2959. {
  2960. CLEAR_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLREN);
  2961. }
  2962. /**
  2963. * @}
  2964. */
  2965. /** @defgroup RCC_LL_EF_PLLSAI1 PLLSAI1
  2966. * @{
  2967. */
  2968. /**
  2969. * @brief Enable PLLSAI1
  2970. * @rmtoll CR PLLSAI1ON LL_RCC_PLLSAI1_Enable
  2971. * @retval None
  2972. */
  2973. __STATIC_INLINE void LL_RCC_PLLSAI1_Enable(void)
  2974. {
  2975. SET_BIT(RCC->CR, RCC_CR_PLLSAI1ON);
  2976. }
  2977. /**
  2978. * @brief Disable PLLSAI1
  2979. * @rmtoll CR PLLSAI1ON LL_RCC_PLLSAI1_Disable
  2980. * @retval None
  2981. */
  2982. __STATIC_INLINE void LL_RCC_PLLSAI1_Disable(void)
  2983. {
  2984. CLEAR_BIT(RCC->CR, RCC_CR_PLLSAI1ON);
  2985. }
  2986. /**
  2987. * @brief Check if PLLSAI1 Ready
  2988. * @rmtoll CR PLLSAI1RDY LL_RCC_PLLSAI1_IsReady
  2989. * @retval State of bit (1 or 0).
  2990. */
  2991. __STATIC_INLINE uint32_t LL_RCC_PLLSAI1_IsReady(void)
  2992. {
  2993. return (READ_BIT(RCC->CR, RCC_CR_PLLSAI1RDY) == (RCC_CR_PLLSAI1RDY));
  2994. }
  2995. /**
  2996. * @brief Configure PLLSAI1 used for 48Mhz domain clock
  2997. * @note PLL Source and PLLM Divider can be written only when PLL,
  2998. * PLLSAI1 and PLLSAI2 (*) are disabled
  2999. * @note PLLN/PLLQ can be written only when PLLSAI1 is disabled
  3000. * @note This can be selected for USB, RNG, SDMMC
  3001. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLLSAI1_ConfigDomain_48M\n
  3002. * PLLCFGR PLLM LL_RCC_PLLSAI1_ConfigDomain_48M\n
  3003. * PLLSAI1CFGR PLLSAI1N LL_RCC_PLLSAI1_ConfigDomain_48M\n
  3004. * PLLSAI1CFGR PLLSAI1Q LL_RCC_PLLSAI1_ConfigDomain_48M
  3005. * @param Source This parameter can be one of the following values:
  3006. * @arg @ref LL_RCC_PLLSOURCE_NONE
  3007. * @arg @ref LL_RCC_PLLSOURCE_MSI
  3008. * @arg @ref LL_RCC_PLLSOURCE_HSI
  3009. * @arg @ref LL_RCC_PLLSOURCE_HSE
  3010. * @param PLLM This parameter can be one of the following values:
  3011. * @arg @ref LL_RCC_PLLM_DIV_1
  3012. * @arg @ref LL_RCC_PLLM_DIV_2
  3013. * @arg @ref LL_RCC_PLLM_DIV_3
  3014. * @arg @ref LL_RCC_PLLM_DIV_4
  3015. * @arg @ref LL_RCC_PLLM_DIV_5
  3016. * @arg @ref LL_RCC_PLLM_DIV_6
  3017. * @arg @ref LL_RCC_PLLM_DIV_7
  3018. * @arg @ref LL_RCC_PLLM_DIV_8
  3019. * @param PLLN Between 8 and 86
  3020. * @param PLLQ This parameter can be one of the following values:
  3021. * @arg @ref LL_RCC_PLLSAI1Q_DIV_2
  3022. * @arg @ref LL_RCC_PLLSAI1Q_DIV_4
  3023. * @arg @ref LL_RCC_PLLSAI1Q_DIV_6
  3024. * @arg @ref LL_RCC_PLLSAI1Q_DIV_8
  3025. * @retval None
  3026. */
  3027. __STATIC_INLINE void LL_RCC_PLLSAI1_ConfigDomain_48M(uint32_t Source, uint32_t PLLM, uint32_t PLLN, uint32_t PLLQ)
  3028. {
  3029. MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC | RCC_PLLCFGR_PLLM, Source | PLLM);
  3030. MODIFY_REG(RCC->PLLSAI1CFGR, RCC_PLLSAI1CFGR_PLLSAI1N | RCC_PLLSAI1CFGR_PLLSAI1Q, PLLN << RCC_PLLSAI1CFGR_PLLSAI1N_Pos | PLLQ);
  3031. }
  3032. #if defined(RCC_PLLSAI1P_DIV_2_31_SUPPORT)
  3033. /**
  3034. * @brief Configure PLLSAI1 used for SAI domain clock
  3035. * @note PLL Source and PLLM Divider can be written only when PLL,
  3036. * PLLSAI1 and PLLSAI2 (*) are disabled
  3037. * @note PLLN/PLLP can be written only when PLLSAI1 is disabled
  3038. * @note This can be selected for SAI1 or SAI2 (*)
  3039. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLLSAI1_ConfigDomain_SAI\n
  3040. * PLLCFGR PLLM LL_RCC_PLLSAI1_ConfigDomain_SAI\n
  3041. * PLLSAI1CFGR PLLSAI1N LL_RCC_PLLSAI1_ConfigDomain_SAI\n
  3042. * PLLSAI1CFGR PLLSAI1PDIV LL_RCC_PLLSAI1_ConfigDomain_SAI
  3043. * @param Source This parameter can be one of the following values:
  3044. * @arg @ref LL_RCC_PLLSOURCE_NONE
  3045. * @arg @ref LL_RCC_PLLSOURCE_MSI
  3046. * @arg @ref LL_RCC_PLLSOURCE_HSI
  3047. * @arg @ref LL_RCC_PLLSOURCE_HSE
  3048. * @param PLLM This parameter can be one of the following values:
  3049. * @arg @ref LL_RCC_PLLM_DIV_1
  3050. * @arg @ref LL_RCC_PLLM_DIV_2
  3051. * @arg @ref LL_RCC_PLLM_DIV_3
  3052. * @arg @ref LL_RCC_PLLM_DIV_4
  3053. * @arg @ref LL_RCC_PLLM_DIV_5
  3054. * @arg @ref LL_RCC_PLLM_DIV_6
  3055. * @arg @ref LL_RCC_PLLM_DIV_7
  3056. * @arg @ref LL_RCC_PLLM_DIV_8
  3057. * @param PLLN Between 8 and 86
  3058. * @param PLLP This parameter can be one of the following values:
  3059. * @arg @ref LL_RCC_PLLSAI1P_DIV_2
  3060. * @arg @ref LL_RCC_PLLSAI1P_DIV_3
  3061. * @arg @ref LL_RCC_PLLSAI1P_DIV_4
  3062. * @arg @ref LL_RCC_PLLSAI1P_DIV_5
  3063. * @arg @ref LL_RCC_PLLSAI1P_DIV_6
  3064. * @arg @ref LL_RCC_PLLSAI1P_DIV_7
  3065. * @arg @ref LL_RCC_PLLSAI1P_DIV_8
  3066. * @arg @ref LL_RCC_PLLSAI1P_DIV_9
  3067. * @arg @ref LL_RCC_PLLSAI1P_DIV_10
  3068. * @arg @ref LL_RCC_PLLSAI1P_DIV_11
  3069. * @arg @ref LL_RCC_PLLSAI1P_DIV_12
  3070. * @arg @ref LL_RCC_PLLSAI1P_DIV_13
  3071. * @arg @ref LL_RCC_PLLSAI1P_DIV_14
  3072. * @arg @ref LL_RCC_PLLSAI1P_DIV_15
  3073. * @arg @ref LL_RCC_PLLSAI1P_DIV_16
  3074. * @arg @ref LL_RCC_PLLSAI1P_DIV_17
  3075. * @arg @ref LL_RCC_PLLSAI1P_DIV_18
  3076. * @arg @ref LL_RCC_PLLSAI1P_DIV_19
  3077. * @arg @ref LL_RCC_PLLSAI1P_DIV_20
  3078. * @arg @ref LL_RCC_PLLSAI1P_DIV_21
  3079. * @arg @ref LL_RCC_PLLSAI1P_DIV_22
  3080. * @arg @ref LL_RCC_PLLSAI1P_DIV_23
  3081. * @arg @ref LL_RCC_PLLSAI1P_DIV_24
  3082. * @arg @ref LL_RCC_PLLSAI1P_DIV_25
  3083. * @arg @ref LL_RCC_PLLSAI1P_DIV_26
  3084. * @arg @ref LL_RCC_PLLSAI1P_DIV_27
  3085. * @arg @ref LL_RCC_PLLSAI1P_DIV_28
  3086. * @arg @ref LL_RCC_PLLSAI1P_DIV_29
  3087. * @arg @ref LL_RCC_PLLSAI1P_DIV_30
  3088. * @arg @ref LL_RCC_PLLSAI1P_DIV_31
  3089. * @retval None
  3090. */
  3091. #else
  3092. /**
  3093. * @brief Configure PLLSAI1 used for SAI domain clock
  3094. * @note PLL Source and PLLM Divider can be written only when PLL,
  3095. * PLLSAI1 and PLLSAI2 (*) are disabled
  3096. * @note PLLN/PLLP can be written only when PLLSAI1 is disabled
  3097. * @note This can be selected for SAI1 or SAI2 (*)
  3098. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLLSAI1_ConfigDomain_SAI\n
  3099. * PLLCFGR PLLM LL_RCC_PLLSAI1_ConfigDomain_SAI\n
  3100. * PLLSAI1CFGR PLLSAI1N LL_RCC_PLLSAI1_ConfigDomain_SAI\n
  3101. * PLLSAI1CFGR PLLSAI1P LL_RCC_PLLSAI1_ConfigDomain_SAI
  3102. * @param Source This parameter can be one of the following values:
  3103. * @arg @ref LL_RCC_PLLSOURCE_NONE
  3104. * @arg @ref LL_RCC_PLLSOURCE_MSI
  3105. * @arg @ref LL_RCC_PLLSOURCE_HSI
  3106. * @arg @ref LL_RCC_PLLSOURCE_HSE
  3107. * @param PLLM This parameter can be one of the following values:
  3108. * @arg @ref LL_RCC_PLLM_DIV_1
  3109. * @arg @ref LL_RCC_PLLM_DIV_2
  3110. * @arg @ref LL_RCC_PLLM_DIV_3
  3111. * @arg @ref LL_RCC_PLLM_DIV_4
  3112. * @arg @ref LL_RCC_PLLM_DIV_5
  3113. * @arg @ref LL_RCC_PLLM_DIV_6
  3114. * @arg @ref LL_RCC_PLLM_DIV_7
  3115. * @arg @ref LL_RCC_PLLM_DIV_8
  3116. * @param PLLN Between 8 and 86
  3117. * @param PLLP This parameter can be one of the following values:
  3118. * @arg @ref LL_RCC_PLLSAI1P_DIV_7
  3119. * @arg @ref LL_RCC_PLLSAI1P_DIV_17
  3120. * @retval None
  3121. */
  3122. #endif /* RCC_PLLSAI1P_DIV_2_31_SUPPORT */
  3123. __STATIC_INLINE void LL_RCC_PLLSAI1_ConfigDomain_SAI(uint32_t Source, uint32_t PLLM, uint32_t PLLN, uint32_t PLLP)
  3124. {
  3125. MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC | RCC_PLLCFGR_PLLM, Source | PLLM);
  3126. #if defined(RCC_PLLSAI1P_DIV_2_31_SUPPORT)
  3127. MODIFY_REG(RCC->PLLSAI1CFGR, RCC_PLLSAI1CFGR_PLLSAI1N | RCC_PLLSAI1CFGR_PLLSAI1PDIV,
  3128. PLLN << RCC_PLLSAI1CFGR_PLLSAI1N_Pos | PLLP);
  3129. #else
  3130. MODIFY_REG(RCC->PLLSAI1CFGR, RCC_PLLSAI1CFGR_PLLSAI1N | RCC_PLLSAI1CFGR_PLLSAI1P, PLLN << RCC_PLLSAI1CFGR_PLLSAI1N_Pos | PLLP);
  3131. #endif /* RCC_PLLSAI1P_DIV_2_31_SUPPORT */
  3132. }
  3133. /**
  3134. * @brief Configure PLLSAI1 used for ADC domain clock
  3135. * @note PLL Source and PLLM Divider can be written only when PLL,
  3136. * PLLSAI1 and PLLSAI2 (*) are disabled
  3137. * @note PLLN/PLLR can be written only when PLLSAI1 is disabled
  3138. * @note This can be selected for ADC
  3139. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLLSAI1_ConfigDomain_ADC\n
  3140. * PLLCFGR PLLM LL_RCC_PLLSAI1_ConfigDomain_ADC\n
  3141. * PLLSAI1CFGR PLLSAI1N LL_RCC_PLLSAI1_ConfigDomain_ADC\n
  3142. * PLLSAI1CFGR PLLSAI1R LL_RCC_PLLSAI1_ConfigDomain_ADC
  3143. * @param Source This parameter can be one of the following values:
  3144. * @arg @ref LL_RCC_PLLSOURCE_NONE
  3145. * @arg @ref LL_RCC_PLLSOURCE_MSI
  3146. * @arg @ref LL_RCC_PLLSOURCE_HSI
  3147. * @arg @ref LL_RCC_PLLSOURCE_HSE
  3148. * @param PLLM This parameter can be one of the following values:
  3149. * @arg @ref LL_RCC_PLLM_DIV_1
  3150. * @arg @ref LL_RCC_PLLM_DIV_2
  3151. * @arg @ref LL_RCC_PLLM_DIV_3
  3152. * @arg @ref LL_RCC_PLLM_DIV_4
  3153. * @arg @ref LL_RCC_PLLM_DIV_5
  3154. * @arg @ref LL_RCC_PLLM_DIV_6
  3155. * @arg @ref LL_RCC_PLLM_DIV_7
  3156. * @arg @ref LL_RCC_PLLM_DIV_8
  3157. * @param PLLN Between 8 and 86
  3158. * @param PLLR This parameter can be one of the following values:
  3159. * @arg @ref LL_RCC_PLLSAI1R_DIV_2
  3160. * @arg @ref LL_RCC_PLLSAI1R_DIV_4
  3161. * @arg @ref LL_RCC_PLLSAI1R_DIV_6
  3162. * @arg @ref LL_RCC_PLLSAI1R_DIV_8
  3163. * @retval None
  3164. */
  3165. __STATIC_INLINE void LL_RCC_PLLSAI1_ConfigDomain_ADC(uint32_t Source, uint32_t PLLM, uint32_t PLLN, uint32_t PLLR)
  3166. {
  3167. MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC | RCC_PLLCFGR_PLLM, Source | PLLM);
  3168. MODIFY_REG(RCC->PLLSAI1CFGR, RCC_PLLSAI1CFGR_PLLSAI1N | RCC_PLLSAI1CFGR_PLLSAI1R, PLLN << RCC_PLLSAI1CFGR_PLLSAI1N_Pos | PLLR);
  3169. }
  3170. /**
  3171. * @brief Get SAI1PLL multiplication factor for VCO
  3172. * @rmtoll PLLSAI1CFGR PLLSAI1N LL_RCC_PLLSAI1_GetN
  3173. * @retval Between 8 and 86
  3174. */
  3175. __STATIC_INLINE uint32_t LL_RCC_PLLSAI1_GetN(void)
  3176. {
  3177. return (uint32_t)(READ_BIT(RCC->PLLSAI1CFGR, RCC_PLLSAI1CFGR_PLLSAI1N) >> RCC_PLLSAI1CFGR_PLLSAI1N_Pos);
  3178. }
  3179. #if defined(RCC_PLLSAI1P_DIV_2_31_SUPPORT)
  3180. /**
  3181. * @brief Get SAI1PLL division factor for PLLSAI1P
  3182. * @note used for PLLSAI1CLK (SAI1 or SAI2 (*) clock).
  3183. * @rmtoll PLLSAI1CFGR PLLSAI1PDIV LL_RCC_PLLSAI1_GetP
  3184. * @retval Returned value can be one of the following values:
  3185. * @arg @ref LL_RCC_PLLSAI1P_DIV_2
  3186. * @arg @ref LL_RCC_PLLSAI1P_DIV_3
  3187. * @arg @ref LL_RCC_PLLSAI1P_DIV_4
  3188. * @arg @ref LL_RCC_PLLSAI1P_DIV_5
  3189. * @arg @ref LL_RCC_PLLSAI1P_DIV_6
  3190. * @arg @ref LL_RCC_PLLSAI1P_DIV_7
  3191. * @arg @ref LL_RCC_PLLSAI1P_DIV_8
  3192. * @arg @ref LL_RCC_PLLSAI1P_DIV_9
  3193. * @arg @ref LL_RCC_PLLSAI1P_DIV_10
  3194. * @arg @ref LL_RCC_PLLSAI1P_DIV_11
  3195. * @arg @ref LL_RCC_PLLSAI1P_DIV_12
  3196. * @arg @ref LL_RCC_PLLSAI1P_DIV_13
  3197. * @arg @ref LL_RCC_PLLSAI1P_DIV_14
  3198. * @arg @ref LL_RCC_PLLSAI1P_DIV_15
  3199. * @arg @ref LL_RCC_PLLSAI1P_DIV_16
  3200. * @arg @ref LL_RCC_PLLSAI1P_DIV_17
  3201. * @arg @ref LL_RCC_PLLSAI1P_DIV_18
  3202. * @arg @ref LL_RCC_PLLSAI1P_DIV_19
  3203. * @arg @ref LL_RCC_PLLSAI1P_DIV_20
  3204. * @arg @ref LL_RCC_PLLSAI1P_DIV_21
  3205. * @arg @ref LL_RCC_PLLSAI1P_DIV_22
  3206. * @arg @ref LL_RCC_PLLSAI1P_DIV_23
  3207. * @arg @ref LL_RCC_PLLSAI1P_DIV_24
  3208. * @arg @ref LL_RCC_PLLSAI1P_DIV_25
  3209. * @arg @ref LL_RCC_PLLSAI1P_DIV_26
  3210. * @arg @ref LL_RCC_PLLSAI1P_DIV_27
  3211. * @arg @ref LL_RCC_PLLSAI1P_DIV_28
  3212. * @arg @ref LL_RCC_PLLSAI1P_DIV_29
  3213. * @arg @ref LL_RCC_PLLSAI1P_DIV_30
  3214. * @arg @ref LL_RCC_PLLSAI1P_DIV_31
  3215. */
  3216. #else
  3217. /**
  3218. * @brief Get SAI1PLL division factor for PLLSAI1P
  3219. * @note used for PLLSAI1CLK (SAI1 or SAI2 (*) clock).
  3220. * @rmtoll PLLSAI1CFGR PLLSAI1P LL_RCC_PLLSAI1_GetP
  3221. * @retval Returned value can be one of the following values:
  3222. * @arg @ref LL_RCC_PLLSAI1P_DIV_7
  3223. * @arg @ref LL_RCC_PLLSAI1P_DIV_17
  3224. */
  3225. #endif /* RCC_PLLSAI1P_DIV_2_31_SUPPORT */
  3226. __STATIC_INLINE uint32_t LL_RCC_PLLSAI1_GetP(void)
  3227. {
  3228. #if defined(RCC_PLLSAI1P_DIV_2_31_SUPPORT)
  3229. return (uint32_t)(READ_BIT(RCC->PLLSAI1CFGR, RCC_PLLSAI1CFGR_PLLSAI1PDIV));
  3230. #else
  3231. return (uint32_t)(READ_BIT(RCC->PLLSAI1CFGR, RCC_PLLSAI1CFGR_PLLSAI1P));
  3232. #endif /* RCC_PLLSAI1P_DIV_2_31_SUPPORT */
  3233. }
  3234. /**
  3235. * @brief Get SAI1PLL division factor for PLLSAI1Q
  3236. * @note used PLL48M2CLK selected for USB, RNG, SDMMC (48 MHz clock)
  3237. * @rmtoll PLLSAI1CFGR PLLSAI1Q LL_RCC_PLLSAI1_GetQ
  3238. * @retval Returned value can be one of the following values:
  3239. * @arg @ref LL_RCC_PLLSAI1Q_DIV_2
  3240. * @arg @ref LL_RCC_PLLSAI1Q_DIV_4
  3241. * @arg @ref LL_RCC_PLLSAI1Q_DIV_6
  3242. * @arg @ref LL_RCC_PLLSAI1Q_DIV_8
  3243. */
  3244. __STATIC_INLINE uint32_t LL_RCC_PLLSAI1_GetQ(void)
  3245. {
  3246. return (uint32_t)(READ_BIT(RCC->PLLSAI1CFGR, RCC_PLLSAI1CFGR_PLLSAI1Q));
  3247. }
  3248. /**
  3249. * @brief Get PLLSAI1 division factor for PLLSAIR
  3250. * @note used for PLLADC1CLK (ADC clock)
  3251. * @rmtoll PLLSAI1CFGR PLLSAI1R LL_RCC_PLLSAI1_GetR
  3252. * @retval Returned value can be one of the following values:
  3253. * @arg @ref LL_RCC_PLLSAI1R_DIV_2
  3254. * @arg @ref LL_RCC_PLLSAI1R_DIV_4
  3255. * @arg @ref LL_RCC_PLLSAI1R_DIV_6
  3256. * @arg @ref LL_RCC_PLLSAI1R_DIV_8
  3257. */
  3258. __STATIC_INLINE uint32_t LL_RCC_PLLSAI1_GetR(void)
  3259. {
  3260. return (uint32_t)(READ_BIT(RCC->PLLSAI1CFGR, RCC_PLLSAI1CFGR_PLLSAI1R));
  3261. }
  3262. /**
  3263. * @brief Enable PLLSAI1 output mapped on SAI domain clock
  3264. * @rmtoll PLLSAI1CFGR PLLSAI1PEN LL_RCC_PLLSAI1_EnableDomain_SAI
  3265. * @retval None
  3266. */
  3267. __STATIC_INLINE void LL_RCC_PLLSAI1_EnableDomain_SAI(void)
  3268. {
  3269. SET_BIT(RCC->PLLSAI1CFGR, RCC_PLLSAI1CFGR_PLLSAI1PEN);
  3270. }
  3271. /**
  3272. * @brief Disable PLLSAI1 output mapped on SAI domain clock
  3273. * @note In order to save power, when of the PLLSAI1 is
  3274. * not used, should be 0
  3275. * @rmtoll PLLSAI1CFGR PLLSAI1PEN LL_RCC_PLLSAI1_DisableDomain_SAI
  3276. * @retval None
  3277. */
  3278. __STATIC_INLINE void LL_RCC_PLLSAI1_DisableDomain_SAI(void)
  3279. {
  3280. CLEAR_BIT(RCC->PLLSAI1CFGR, RCC_PLLSAI1CFGR_PLLSAI1PEN);
  3281. }
  3282. /**
  3283. * @brief Enable PLLSAI1 output mapped on 48MHz domain clock
  3284. * @rmtoll PLLSAI1CFGR PLLSAI1QEN LL_RCC_PLLSAI1_EnableDomain_48M
  3285. * @retval None
  3286. */
  3287. __STATIC_INLINE void LL_RCC_PLLSAI1_EnableDomain_48M(void)
  3288. {
  3289. SET_BIT(RCC->PLLSAI1CFGR, RCC_PLLSAI1CFGR_PLLSAI1QEN);
  3290. }
  3291. /**
  3292. * @brief Disable PLLSAI1 output mapped on 48MHz domain clock
  3293. * @note In order to save power, when of the PLLSAI1 is
  3294. * not used, should be 0
  3295. * @rmtoll PLLSAI1CFGR PLLSAI1QEN LL_RCC_PLLSAI1_DisableDomain_48M
  3296. * @retval None
  3297. */
  3298. __STATIC_INLINE void LL_RCC_PLLSAI1_DisableDomain_48M(void)
  3299. {
  3300. CLEAR_BIT(RCC->PLLSAI1CFGR, RCC_PLLSAI1CFGR_PLLSAI1QEN);
  3301. }
  3302. /**
  3303. * @brief Enable PLLSAI1 output mapped on ADC domain clock
  3304. * @rmtoll PLLSAI1CFGR PLLSAI1REN LL_RCC_PLLSAI1_EnableDomain_ADC
  3305. * @retval None
  3306. */
  3307. __STATIC_INLINE void LL_RCC_PLLSAI1_EnableDomain_ADC(void)
  3308. {
  3309. SET_BIT(RCC->PLLSAI1CFGR, RCC_PLLSAI1CFGR_PLLSAI1REN);
  3310. }
  3311. /**
  3312. * @brief Disable PLLSAI1 output mapped on ADC domain clock
  3313. * @note In order to save power, when of the PLLSAI1 is
  3314. * not used, Main PLLSAI1 should be 0
  3315. * @rmtoll PLLSAI1CFGR PLLSAI1REN LL_RCC_PLLSAI1_DisableDomain_ADC
  3316. * @retval None
  3317. */
  3318. __STATIC_INLINE void LL_RCC_PLLSAI1_DisableDomain_ADC(void)
  3319. {
  3320. CLEAR_BIT(RCC->PLLSAI1CFGR, RCC_PLLSAI1CFGR_PLLSAI1REN);
  3321. }
  3322. /**
  3323. * @}
  3324. */
  3325. #if defined(RCC_PLLSAI2_SUPPORT)
  3326. /** @defgroup RCC_LL_EF_PLLSAI2 PLLSAI2
  3327. * @{
  3328. */
  3329. /**
  3330. * @brief Enable PLLSAI2
  3331. * @rmtoll CR PLLSAI2ON LL_RCC_PLLSAI2_Enable
  3332. * @retval None
  3333. */
  3334. __STATIC_INLINE void LL_RCC_PLLSAI2_Enable(void)
  3335. {
  3336. SET_BIT(RCC->CR, RCC_CR_PLLSAI2ON);
  3337. }
  3338. /**
  3339. * @brief Disable PLLSAI2
  3340. * @rmtoll CR PLLSAI2ON LL_RCC_PLLSAI2_Disable
  3341. * @retval None
  3342. */
  3343. __STATIC_INLINE void LL_RCC_PLLSAI2_Disable(void)
  3344. {
  3345. CLEAR_BIT(RCC->CR, RCC_CR_PLLSAI2ON);
  3346. }
  3347. /**
  3348. * @brief Check if PLLSAI2 Ready
  3349. * @rmtoll CR PLLSAI2RDY LL_RCC_PLLSAI2_IsReady
  3350. * @retval State of bit (1 or 0).
  3351. */
  3352. __STATIC_INLINE uint32_t LL_RCC_PLLSAI2_IsReady(void)
  3353. {
  3354. return (READ_BIT(RCC->CR, RCC_CR_PLLSAI2RDY) == (RCC_CR_PLLSAI2RDY));
  3355. }
  3356. /**
  3357. * @brief Configure PLLSAI2 used for SAI domain clock
  3358. * @note PLL Source and PLLM Divider can be written only when PLL,
  3359. * PLLSAI2 and PLLSAI2 are disabled
  3360. * @note PLLN/PLLP can be written only when PLLSAI2 is disabled
  3361. * @note This can be selected for SAI1 or SAI2
  3362. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLLSAI2_ConfigDomain_SAI\n
  3363. * PLLCFGR PLLM LL_RCC_PLLSAI2_ConfigDomain_SAI\n
  3364. * PLLSAI2CFGR PLLSAI2N LL_RCC_PLLSAI2_ConfigDomain_SAI\n
  3365. * PLLSAI2CFGR PLLSAI2P LL_RCC_PLLSAI2_ConfigDomain_SAI
  3366. * @param Source This parameter can be one of the following values:
  3367. * @arg @ref LL_RCC_PLLSOURCE_NONE
  3368. * @arg @ref LL_RCC_PLLSOURCE_MSI
  3369. * @arg @ref LL_RCC_PLLSOURCE_HSI
  3370. * @arg @ref LL_RCC_PLLSOURCE_HSE
  3371. * @param PLLM This parameter can be one of the following values:
  3372. * @arg @ref LL_RCC_PLLM_DIV_1
  3373. * @arg @ref LL_RCC_PLLM_DIV_2
  3374. * @arg @ref LL_RCC_PLLM_DIV_3
  3375. * @arg @ref LL_RCC_PLLM_DIV_4
  3376. * @arg @ref LL_RCC_PLLM_DIV_5
  3377. * @arg @ref LL_RCC_PLLM_DIV_6
  3378. * @arg @ref LL_RCC_PLLM_DIV_7
  3379. * @arg @ref LL_RCC_PLLM_DIV_8
  3380. * @param PLLN Between 8 and 86
  3381. * @param PLLP This parameter can be one of the following values:
  3382. * @arg @ref LL_RCC_PLLSAI2P_DIV_7
  3383. * @arg @ref LL_RCC_PLLSAI2P_DIV_17
  3384. * @retval None
  3385. */
  3386. __STATIC_INLINE void LL_RCC_PLLSAI2_ConfigDomain_SAI(uint32_t Source, uint32_t PLLM, uint32_t PLLN, uint32_t PLLP)
  3387. {
  3388. MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC | RCC_PLLCFGR_PLLM, Source | PLLM);
  3389. MODIFY_REG(RCC->PLLSAI2CFGR, RCC_PLLSAI2CFGR_PLLSAI2N | RCC_PLLSAI2CFGR_PLLSAI2P, PLLN << RCC_PLLSAI2CFGR_PLLSAI2N_Pos | PLLP);
  3390. }
  3391. /**
  3392. * @brief Configure PLLSAI2 used for ADC domain clock
  3393. * @note PLL Source and PLLM Divider can be written only when PLL,
  3394. * PLLSAI2 and PLLSAI2 are disabled
  3395. * @note PLLN/PLLR can be written only when PLLSAI2 is disabled
  3396. * @note This can be selected for ADC
  3397. * @rmtoll PLLCFGR PLLSRC LL_RCC_PLLSAI2_ConfigDomain_ADC\n
  3398. * PLLCFGR PLLM LL_RCC_PLLSAI2_ConfigDomain_ADC\n
  3399. * PLLSAI2CFGR PLLSAI2N LL_RCC_PLLSAI2_ConfigDomain_ADC\n
  3400. * PLLSAI2CFGR PLLSAI2R LL_RCC_PLLSAI2_ConfigDomain_ADC
  3401. * @param Source This parameter can be one of the following values:
  3402. * @arg @ref LL_RCC_PLLSOURCE_NONE
  3403. * @arg @ref LL_RCC_PLLSOURCE_MSI
  3404. * @arg @ref LL_RCC_PLLSOURCE_HSI
  3405. * @arg @ref LL_RCC_PLLSOURCE_HSE
  3406. * @param PLLM This parameter can be one of the following values:
  3407. * @arg @ref LL_RCC_PLLM_DIV_1
  3408. * @arg @ref LL_RCC_PLLM_DIV_2
  3409. * @arg @ref LL_RCC_PLLM_DIV_3
  3410. * @arg @ref LL_RCC_PLLM_DIV_4
  3411. * @arg @ref LL_RCC_PLLM_DIV_5
  3412. * @arg @ref LL_RCC_PLLM_DIV_6
  3413. * @arg @ref LL_RCC_PLLM_DIV_7
  3414. * @arg @ref LL_RCC_PLLM_DIV_8
  3415. * @param PLLN Between 8 and 86
  3416. * @param PLLR This parameter can be one of the following values:
  3417. * @arg @ref LL_RCC_PLLSAI2R_DIV_2
  3418. * @arg @ref LL_RCC_PLLSAI2R_DIV_4
  3419. * @arg @ref LL_RCC_PLLSAI2R_DIV_6
  3420. * @arg @ref LL_RCC_PLLSAI2R_DIV_8
  3421. * @retval None
  3422. */
  3423. __STATIC_INLINE void LL_RCC_PLLSAI2_ConfigDomain_ADC(uint32_t Source, uint32_t PLLM, uint32_t PLLN, uint32_t PLLR)
  3424. {
  3425. MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC | RCC_PLLCFGR_PLLM, Source | PLLM);
  3426. MODIFY_REG(RCC->PLLSAI2CFGR, RCC_PLLSAI2CFGR_PLLSAI2N | RCC_PLLSAI2CFGR_PLLSAI2R, PLLN << RCC_PLLSAI2CFGR_PLLSAI2N_Pos | PLLR);
  3427. }
  3428. /**
  3429. * @brief Get SAI2PLL multiplication factor for VCO
  3430. * @rmtoll PLLSAI2CFGR PLLSAI2N LL_RCC_PLLSAI2_GetN
  3431. * @retval Between 8 and 86
  3432. */
  3433. __STATIC_INLINE uint32_t LL_RCC_PLLSAI2_GetN(void)
  3434. {
  3435. return (uint32_t)(READ_BIT(RCC->PLLSAI2CFGR, RCC_PLLSAI2CFGR_PLLSAI2N) >> RCC_PLLSAI2CFGR_PLLSAI2N_Pos);
  3436. }
  3437. /**
  3438. * @brief Get SAI2PLL division factor for PLLSAI2P
  3439. * @note used for PLLSAI2CLK (SAI1 or SAI2 clock).
  3440. * @rmtoll PLLSAI2CFGR PLLSAI2P LL_RCC_PLLSAI2_GetP
  3441. * @retval Returned value can be one of the following values:
  3442. * @arg @ref LL_RCC_PLLSAI2P_DIV_7
  3443. * @arg @ref LL_RCC_PLLSAI2P_DIV_17
  3444. */
  3445. __STATIC_INLINE uint32_t LL_RCC_PLLSAI2_GetP(void)
  3446. {
  3447. return (uint32_t)(READ_BIT(RCC->PLLSAI2CFGR, RCC_PLLSAI2CFGR_PLLSAI2P));
  3448. }
  3449. /**
  3450. * @brief Get SAI2PLL division factor for PLLSAI2R
  3451. * @note used for PLLADC2CLK (ADC clock)
  3452. * @rmtoll PLLSAI2CFGR PLLSAI2R LL_RCC_PLLSAI2_GetR
  3453. * @retval Returned value can be one of the following values:
  3454. * @arg @ref LL_RCC_PLLSAI2R_DIV_2
  3455. * @arg @ref LL_RCC_PLLSAI2R_DIV_4
  3456. * @arg @ref LL_RCC_PLLSAI2R_DIV_6
  3457. * @arg @ref LL_RCC_PLLSAI2R_DIV_8
  3458. */
  3459. __STATIC_INLINE uint32_t LL_RCC_PLLSAI2_GetR(void)
  3460. {
  3461. return (uint32_t)(READ_BIT(RCC->PLLSAI2CFGR, RCC_PLLSAI2CFGR_PLLSAI2R));
  3462. }
  3463. /**
  3464. * @brief Enable PLLSAI2 output mapped on SAI domain clock
  3465. * @rmtoll PLLSAI2CFGR PLLSAI2PEN LL_RCC_PLLSAI2_EnableDomain_SAI
  3466. * @retval None
  3467. */
  3468. __STATIC_INLINE void LL_RCC_PLLSAI2_EnableDomain_SAI(void)
  3469. {
  3470. SET_BIT(RCC->PLLSAI2CFGR, RCC_PLLSAI2CFGR_PLLSAI2PEN);
  3471. }
  3472. /**
  3473. * @brief Disable PLLSAI2 output mapped on SAI domain clock
  3474. * @note In order to save power, when of the PLLSAI2 is
  3475. * not used, should be 0
  3476. * @rmtoll PLLSAI2CFGR PLLSAI2PEN LL_RCC_PLLSAI2_DisableDomain_SAI
  3477. * @retval None
  3478. */
  3479. __STATIC_INLINE void LL_RCC_PLLSAI2_DisableDomain_SAI(void)
  3480. {
  3481. CLEAR_BIT(RCC->PLLSAI2CFGR, RCC_PLLSAI2CFGR_PLLSAI2PEN);
  3482. }
  3483. /**
  3484. * @brief Enable PLLSAI2 output mapped on ADC domain clock
  3485. * @rmtoll PLLSAI2CFGR PLLSAI2REN LL_RCC_PLLSAI2_EnableDomain_ADC
  3486. * @retval None
  3487. */
  3488. __STATIC_INLINE void LL_RCC_PLLSAI2_EnableDomain_ADC(void)
  3489. {
  3490. SET_BIT(RCC->PLLSAI2CFGR, RCC_PLLSAI2CFGR_PLLSAI2REN);
  3491. }
  3492. /**
  3493. * @brief Disable PLLSAI2 output mapped on ADC domain clock
  3494. * @note In order to save power, when of the PLLSAI2 is
  3495. * not used, Main PLLSAI2 should be 0
  3496. * @rmtoll PLLSAI2CFGR PLLSAI2REN LL_RCC_PLLSAI2_DisableDomain_ADC
  3497. * @retval None
  3498. */
  3499. __STATIC_INLINE void LL_RCC_PLLSAI2_DisableDomain_ADC(void)
  3500. {
  3501. CLEAR_BIT(RCC->PLLSAI2CFGR, RCC_PLLSAI2CFGR_PLLSAI2REN);
  3502. }
  3503. /**
  3504. * @}
  3505. */
  3506. #endif /* RCC_PLLSAI2_SUPPORT */
  3507. /** @defgroup RCC_LL_EF_FLAG_Management FLAG Management
  3508. * @{
  3509. */
  3510. /**
  3511. * @brief Clear LSI ready interrupt flag
  3512. * @rmtoll CICR LSIRDYC LL_RCC_ClearFlag_LSIRDY
  3513. * @retval None
  3514. */
  3515. __STATIC_INLINE void LL_RCC_ClearFlag_LSIRDY(void)
  3516. {
  3517. SET_BIT(RCC->CICR, RCC_CICR_LSIRDYC);
  3518. }
  3519. /**
  3520. * @brief Clear LSE ready interrupt flag
  3521. * @rmtoll CICR LSERDYC LL_RCC_ClearFlag_LSERDY
  3522. * @retval None
  3523. */
  3524. __STATIC_INLINE void LL_RCC_ClearFlag_LSERDY(void)
  3525. {
  3526. SET_BIT(RCC->CICR, RCC_CICR_LSERDYC);
  3527. }
  3528. /**
  3529. * @brief Clear MSI ready interrupt flag
  3530. * @rmtoll CICR MSIRDYC LL_RCC_ClearFlag_MSIRDY
  3531. * @retval None
  3532. */
  3533. __STATIC_INLINE void LL_RCC_ClearFlag_MSIRDY(void)
  3534. {
  3535. SET_BIT(RCC->CICR, RCC_CICR_MSIRDYC);
  3536. }
  3537. /**
  3538. * @brief Clear HSI ready interrupt flag
  3539. * @rmtoll CICR HSIRDYC LL_RCC_ClearFlag_HSIRDY
  3540. * @retval None
  3541. */
  3542. __STATIC_INLINE void LL_RCC_ClearFlag_HSIRDY(void)
  3543. {
  3544. SET_BIT(RCC->CICR, RCC_CICR_HSIRDYC);
  3545. }
  3546. /**
  3547. * @brief Clear HSE ready interrupt flag
  3548. * @rmtoll CICR HSERDYC LL_RCC_ClearFlag_HSERDY
  3549. * @retval None
  3550. */
  3551. __STATIC_INLINE void LL_RCC_ClearFlag_HSERDY(void)
  3552. {
  3553. SET_BIT(RCC->CICR, RCC_CICR_HSERDYC);
  3554. }
  3555. /**
  3556. * @brief Clear PLL ready interrupt flag
  3557. * @rmtoll CICR PLLRDYC LL_RCC_ClearFlag_PLLRDY
  3558. * @retval None
  3559. */
  3560. __STATIC_INLINE void LL_RCC_ClearFlag_PLLRDY(void)
  3561. {
  3562. SET_BIT(RCC->CICR, RCC_CICR_PLLRDYC);
  3563. }
  3564. #if defined(RCC_HSI48_SUPPORT)
  3565. /**
  3566. * @brief Clear HSI48 ready interrupt flag
  3567. * @rmtoll CICR HSI48RDYC LL_RCC_ClearFlag_HSI48RDY
  3568. * @retval None
  3569. */
  3570. __STATIC_INLINE void LL_RCC_ClearFlag_HSI48RDY(void)
  3571. {
  3572. SET_BIT(RCC->CICR, RCC_CICR_HSI48RDYC);
  3573. }
  3574. #endif /* RCC_HSI48_SUPPORT */
  3575. /**
  3576. * @brief Clear PLLSAI1 ready interrupt flag
  3577. * @rmtoll CICR PLLSAI1RDYC LL_RCC_ClearFlag_PLLSAI1RDY
  3578. * @retval None
  3579. */
  3580. __STATIC_INLINE void LL_RCC_ClearFlag_PLLSAI1RDY(void)
  3581. {
  3582. SET_BIT(RCC->CICR, RCC_CICR_PLLSAI1RDYC);
  3583. }
  3584. #if defined(RCC_PLLSAI2_SUPPORT)
  3585. /**
  3586. * @brief Clear PLLSAI1 ready interrupt flag
  3587. * @rmtoll CICR PLLSAI2RDYC LL_RCC_ClearFlag_PLLSAI2RDY
  3588. * @retval None
  3589. */
  3590. __STATIC_INLINE void LL_RCC_ClearFlag_PLLSAI2RDY(void)
  3591. {
  3592. SET_BIT(RCC->CICR, RCC_CICR_PLLSAI2RDYC);
  3593. }
  3594. #endif /* RCC_PLLSAI2_SUPPORT */
  3595. /**
  3596. * @brief Clear Clock security system interrupt flag
  3597. * @rmtoll CICR CSSC LL_RCC_ClearFlag_HSECSS
  3598. * @retval None
  3599. */
  3600. __STATIC_INLINE void LL_RCC_ClearFlag_HSECSS(void)
  3601. {
  3602. SET_BIT(RCC->CICR, RCC_CICR_CSSC);
  3603. }
  3604. /**
  3605. * @brief Clear LSE Clock security system interrupt flag
  3606. * @rmtoll CICR LSECSSC LL_RCC_ClearFlag_LSECSS
  3607. * @retval None
  3608. */
  3609. __STATIC_INLINE void LL_RCC_ClearFlag_LSECSS(void)
  3610. {
  3611. SET_BIT(RCC->CICR, RCC_CICR_LSECSSC);
  3612. }
  3613. /**
  3614. * @brief Check if LSI ready interrupt occurred or not
  3615. * @rmtoll CIFR LSIRDYF LL_RCC_IsActiveFlag_LSIRDY
  3616. * @retval State of bit (1 or 0).
  3617. */
  3618. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LSIRDY(void)
  3619. {
  3620. return (READ_BIT(RCC->CIFR, RCC_CIFR_LSIRDYF) == (RCC_CIFR_LSIRDYF));
  3621. }
  3622. /**
  3623. * @brief Check if LSE ready interrupt occurred or not
  3624. * @rmtoll CIFR LSERDYF LL_RCC_IsActiveFlag_LSERDY
  3625. * @retval State of bit (1 or 0).
  3626. */
  3627. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LSERDY(void)
  3628. {
  3629. return (READ_BIT(RCC->CIFR, RCC_CIFR_LSERDYF) == (RCC_CIFR_LSERDYF));
  3630. }
  3631. /**
  3632. * @brief Check if MSI ready interrupt occurred or not
  3633. * @rmtoll CIFR MSIRDYF LL_RCC_IsActiveFlag_MSIRDY
  3634. * @retval State of bit (1 or 0).
  3635. */
  3636. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_MSIRDY(void)
  3637. {
  3638. return (READ_BIT(RCC->CIFR, RCC_CIFR_MSIRDYF) == (RCC_CIFR_MSIRDYF));
  3639. }
  3640. /**
  3641. * @brief Check if HSI ready interrupt occurred or not
  3642. * @rmtoll CIFR HSIRDYF LL_RCC_IsActiveFlag_HSIRDY
  3643. * @retval State of bit (1 or 0).
  3644. */
  3645. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSIRDY(void)
  3646. {
  3647. return (READ_BIT(RCC->CIFR, RCC_CIFR_HSIRDYF) == (RCC_CIFR_HSIRDYF));
  3648. }
  3649. /**
  3650. * @brief Check if HSE ready interrupt occurred or not
  3651. * @rmtoll CIFR HSERDYF LL_RCC_IsActiveFlag_HSERDY
  3652. * @retval State of bit (1 or 0).
  3653. */
  3654. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSERDY(void)
  3655. {
  3656. return (READ_BIT(RCC->CIFR, RCC_CIFR_HSERDYF) == (RCC_CIFR_HSERDYF));
  3657. }
  3658. /**
  3659. * @brief Check if PLL ready interrupt occurred or not
  3660. * @rmtoll CIFR PLLRDYF LL_RCC_IsActiveFlag_PLLRDY
  3661. * @retval State of bit (1 or 0).
  3662. */
  3663. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PLLRDY(void)
  3664. {
  3665. return (READ_BIT(RCC->CIFR, RCC_CIFR_PLLRDYF) == (RCC_CIFR_PLLRDYF));
  3666. }
  3667. #if defined(RCC_HSI48_SUPPORT)
  3668. /**
  3669. * @brief Check if HSI48 ready interrupt occurred or not
  3670. * @rmtoll CIR HSI48RDYF LL_RCC_IsActiveFlag_HSI48RDY
  3671. * @retval State of bit (1 or 0).
  3672. */
  3673. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSI48RDY(void)
  3674. {
  3675. return (READ_BIT(RCC->CIFR, RCC_CIFR_HSI48RDYF) == (RCC_CIFR_HSI48RDYF));
  3676. }
  3677. #endif /* RCC_HSI48_SUPPORT */
  3678. /**
  3679. * @brief Check if PLLSAI1 ready interrupt occurred or not
  3680. * @rmtoll CIFR PLLSAI1RDYF LL_RCC_IsActiveFlag_PLLSAI1RDY
  3681. * @retval State of bit (1 or 0).
  3682. */
  3683. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PLLSAI1RDY(void)
  3684. {
  3685. return (READ_BIT(RCC->CIFR, RCC_CIFR_PLLSAI1RDYF) == (RCC_CIFR_PLLSAI1RDYF));
  3686. }
  3687. #if defined(RCC_PLLSAI2_SUPPORT)
  3688. /**
  3689. * @brief Check if PLLSAI1 ready interrupt occurred or not
  3690. * @rmtoll CIFR PLLSAI2RDYF LL_RCC_IsActiveFlag_PLLSAI2RDY
  3691. * @retval State of bit (1 or 0).
  3692. */
  3693. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PLLSAI2RDY(void)
  3694. {
  3695. return (READ_BIT(RCC->CIFR, RCC_CIFR_PLLSAI2RDYF) == (RCC_CIFR_PLLSAI2RDYF));
  3696. }
  3697. #endif /* RCC_PLLSAI2_SUPPORT */
  3698. /**
  3699. * @brief Check if Clock security system interrupt occurred or not
  3700. * @rmtoll CIFR CSSF LL_RCC_IsActiveFlag_HSECSS
  3701. * @retval State of bit (1 or 0).
  3702. */
  3703. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSECSS(void)
  3704. {
  3705. return (READ_BIT(RCC->CIFR, RCC_CIFR_CSSF) == (RCC_CIFR_CSSF));
  3706. }
  3707. /**
  3708. * @brief Check if LSE Clock security system interrupt occurred or not
  3709. * @rmtoll CIFR LSECSSF LL_RCC_IsActiveFlag_LSECSS
  3710. * @retval State of bit (1 or 0).
  3711. */
  3712. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LSECSS(void)
  3713. {
  3714. return (READ_BIT(RCC->CIFR, RCC_CIFR_LSECSSF) == (RCC_CIFR_LSECSSF));
  3715. }
  3716. /**
  3717. * @brief Check if RCC flag FW reset is set or not.
  3718. * @rmtoll CSR FWRSTF LL_RCC_IsActiveFlag_FWRST
  3719. * @retval State of bit (1 or 0).
  3720. */
  3721. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_FWRST(void)
  3722. {
  3723. return (READ_BIT(RCC->CSR, RCC_CSR_FWRSTF) == (RCC_CSR_FWRSTF));
  3724. }
  3725. /**
  3726. * @brief Check if RCC flag Independent Watchdog reset is set or not.
  3727. * @rmtoll CSR IWDGRSTF LL_RCC_IsActiveFlag_IWDGRST
  3728. * @retval State of bit (1 or 0).
  3729. */
  3730. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_IWDGRST(void)
  3731. {
  3732. return (READ_BIT(RCC->CSR, RCC_CSR_IWDGRSTF) == (RCC_CSR_IWDGRSTF));
  3733. }
  3734. /**
  3735. * @brief Check if RCC flag Low Power reset is set or not.
  3736. * @rmtoll CSR LPWRRSTF LL_RCC_IsActiveFlag_LPWRRST
  3737. * @retval State of bit (1 or 0).
  3738. */
  3739. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LPWRRST(void)
  3740. {
  3741. return (READ_BIT(RCC->CSR, RCC_CSR_LPWRRSTF) == (RCC_CSR_LPWRRSTF));
  3742. }
  3743. /**
  3744. * @brief Check if RCC flag is set or not.
  3745. * @rmtoll CSR OBLRSTF LL_RCC_IsActiveFlag_OBLRST
  3746. * @retval State of bit (1 or 0).
  3747. */
  3748. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_OBLRST(void)
  3749. {
  3750. return (READ_BIT(RCC->CSR, RCC_CSR_OBLRSTF) == (RCC_CSR_OBLRSTF));
  3751. }
  3752. /**
  3753. * @brief Check if RCC flag Pin reset is set or not.
  3754. * @rmtoll CSR PINRSTF LL_RCC_IsActiveFlag_PINRST
  3755. * @retval State of bit (1 or 0).
  3756. */
  3757. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PINRST(void)
  3758. {
  3759. return (READ_BIT(RCC->CSR, RCC_CSR_PINRSTF) == (RCC_CSR_PINRSTF));
  3760. }
  3761. /**
  3762. * @brief Check if RCC flag Software reset is set or not.
  3763. * @rmtoll CSR SFTRSTF LL_RCC_IsActiveFlag_SFTRST
  3764. * @retval State of bit (1 or 0).
  3765. */
  3766. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_SFTRST(void)
  3767. {
  3768. return (READ_BIT(RCC->CSR, RCC_CSR_SFTRSTF) == (RCC_CSR_SFTRSTF));
  3769. }
  3770. /**
  3771. * @brief Check if RCC flag Window Watchdog reset is set or not.
  3772. * @rmtoll CSR WWDGRSTF LL_RCC_IsActiveFlag_WWDGRST
  3773. * @retval State of bit (1 or 0).
  3774. */
  3775. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_WWDGRST(void)
  3776. {
  3777. return (READ_BIT(RCC->CSR, RCC_CSR_WWDGRSTF) == (RCC_CSR_WWDGRSTF));
  3778. }
  3779. /**
  3780. * @brief Check if RCC flag BOR reset is set or not.
  3781. * @rmtoll CSR BORRSTF LL_RCC_IsActiveFlag_BORRST
  3782. * @retval State of bit (1 or 0).
  3783. */
  3784. __STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_BORRST(void)
  3785. {
  3786. return (READ_BIT(RCC->CSR, RCC_CSR_BORRSTF) == (RCC_CSR_BORRSTF));
  3787. }
  3788. /**
  3789. * @brief Set RMVF bit to clear the reset flags.
  3790. * @rmtoll CSR RMVF LL_RCC_ClearResetFlags
  3791. * @retval None
  3792. */
  3793. __STATIC_INLINE void LL_RCC_ClearResetFlags(void)
  3794. {
  3795. SET_BIT(RCC->CSR, RCC_CSR_RMVF);
  3796. }
  3797. /**
  3798. * @}
  3799. */
  3800. /** @defgroup RCC_LL_EF_IT_Management IT Management
  3801. * @{
  3802. */
  3803. /**
  3804. * @brief Enable LSI ready interrupt
  3805. * @rmtoll CIER LSIRDYIE LL_RCC_EnableIT_LSIRDY
  3806. * @retval None
  3807. */
  3808. __STATIC_INLINE void LL_RCC_EnableIT_LSIRDY(void)
  3809. {
  3810. SET_BIT(RCC->CIER, RCC_CIER_LSIRDYIE);
  3811. }
  3812. /**
  3813. * @brief Enable LSE ready interrupt
  3814. * @rmtoll CIER LSERDYIE LL_RCC_EnableIT_LSERDY
  3815. * @retval None
  3816. */
  3817. __STATIC_INLINE void LL_RCC_EnableIT_LSERDY(void)
  3818. {
  3819. SET_BIT(RCC->CIER, RCC_CIER_LSERDYIE);
  3820. }
  3821. /**
  3822. * @brief Enable MSI ready interrupt
  3823. * @rmtoll CIER MSIRDYIE LL_RCC_EnableIT_MSIRDY
  3824. * @retval None
  3825. */
  3826. __STATIC_INLINE void LL_RCC_EnableIT_MSIRDY(void)
  3827. {
  3828. SET_BIT(RCC->CIER, RCC_CIER_MSIRDYIE);
  3829. }
  3830. /**
  3831. * @brief Enable HSI ready interrupt
  3832. * @rmtoll CIER HSIRDYIE LL_RCC_EnableIT_HSIRDY
  3833. * @retval None
  3834. */
  3835. __STATIC_INLINE void LL_RCC_EnableIT_HSIRDY(void)
  3836. {
  3837. SET_BIT(RCC->CIER, RCC_CIER_HSIRDYIE);
  3838. }
  3839. /**
  3840. * @brief Enable HSE ready interrupt
  3841. * @rmtoll CIER HSERDYIE LL_RCC_EnableIT_HSERDY
  3842. * @retval None
  3843. */
  3844. __STATIC_INLINE void LL_RCC_EnableIT_HSERDY(void)
  3845. {
  3846. SET_BIT(RCC->CIER, RCC_CIER_HSERDYIE);
  3847. }
  3848. /**
  3849. * @brief Enable PLL ready interrupt
  3850. * @rmtoll CIER PLLRDYIE LL_RCC_EnableIT_PLLRDY
  3851. * @retval None
  3852. */
  3853. __STATIC_INLINE void LL_RCC_EnableIT_PLLRDY(void)
  3854. {
  3855. SET_BIT(RCC->CIER, RCC_CIER_PLLRDYIE);
  3856. }
  3857. #if defined(RCC_HSI48_SUPPORT)
  3858. /**
  3859. * @brief Enable HSI48 ready interrupt
  3860. * @rmtoll CIER HSI48RDYIE LL_RCC_EnableIT_HSI48RDY
  3861. * @retval None
  3862. */
  3863. __STATIC_INLINE void LL_RCC_EnableIT_HSI48RDY(void)
  3864. {
  3865. SET_BIT(RCC->CIER, RCC_CIER_HSI48RDYIE);
  3866. }
  3867. #endif /* RCC_HSI48_SUPPORT */
  3868. /**
  3869. * @brief Enable PLLSAI1 ready interrupt
  3870. * @rmtoll CIER PLLSAI1RDYIE LL_RCC_EnableIT_PLLSAI1RDY
  3871. * @retval None
  3872. */
  3873. __STATIC_INLINE void LL_RCC_EnableIT_PLLSAI1RDY(void)
  3874. {
  3875. SET_BIT(RCC->CIER, RCC_CIER_PLLSAI1RDYIE);
  3876. }
  3877. #if defined(RCC_PLLSAI2_SUPPORT)
  3878. /**
  3879. * @brief Enable PLLSAI2 ready interrupt
  3880. * @rmtoll CIER PLLSAI2RDYIE LL_RCC_EnableIT_PLLSAI2RDY
  3881. * @retval None
  3882. */
  3883. __STATIC_INLINE void LL_RCC_EnableIT_PLLSAI2RDY(void)
  3884. {
  3885. SET_BIT(RCC->CIER, RCC_CIER_PLLSAI2RDYIE);
  3886. }
  3887. #endif /* RCC_PLLSAI2_SUPPORT */
  3888. /**
  3889. * @brief Enable LSE clock security system interrupt
  3890. * @rmtoll CIER LSECSSIE LL_RCC_EnableIT_LSECSS
  3891. * @retval None
  3892. */
  3893. __STATIC_INLINE void LL_RCC_EnableIT_LSECSS(void)
  3894. {
  3895. SET_BIT(RCC->CIER, RCC_CIER_LSECSSIE);
  3896. }
  3897. /**
  3898. * @brief Disable LSI ready interrupt
  3899. * @rmtoll CIER LSIRDYIE LL_RCC_DisableIT_LSIRDY
  3900. * @retval None
  3901. */
  3902. __STATIC_INLINE void LL_RCC_DisableIT_LSIRDY(void)
  3903. {
  3904. CLEAR_BIT(RCC->CIER, RCC_CIER_LSIRDYIE);
  3905. }
  3906. /**
  3907. * @brief Disable LSE ready interrupt
  3908. * @rmtoll CIER LSERDYIE LL_RCC_DisableIT_LSERDY
  3909. * @retval None
  3910. */
  3911. __STATIC_INLINE void LL_RCC_DisableIT_LSERDY(void)
  3912. {
  3913. CLEAR_BIT(RCC->CIER, RCC_CIER_LSERDYIE);
  3914. }
  3915. /**
  3916. * @brief Disable MSI ready interrupt
  3917. * @rmtoll CIER MSIRDYIE LL_RCC_DisableIT_MSIRDY
  3918. * @retval None
  3919. */
  3920. __STATIC_INLINE void LL_RCC_DisableIT_MSIRDY(void)
  3921. {
  3922. CLEAR_BIT(RCC->CIER, RCC_CIER_MSIRDYIE);
  3923. }
  3924. /**
  3925. * @brief Disable HSI ready interrupt
  3926. * @rmtoll CIER HSIRDYIE LL_RCC_DisableIT_HSIRDY
  3927. * @retval None
  3928. */
  3929. __STATIC_INLINE void LL_RCC_DisableIT_HSIRDY(void)
  3930. {
  3931. CLEAR_BIT(RCC->CIER, RCC_CIER_HSIRDYIE);
  3932. }
  3933. /**
  3934. * @brief Disable HSE ready interrupt
  3935. * @rmtoll CIER HSERDYIE LL_RCC_DisableIT_HSERDY
  3936. * @retval None
  3937. */
  3938. __STATIC_INLINE void LL_RCC_DisableIT_HSERDY(void)
  3939. {
  3940. CLEAR_BIT(RCC->CIER, RCC_CIER_HSERDYIE);
  3941. }
  3942. /**
  3943. * @brief Disable PLL ready interrupt
  3944. * @rmtoll CIER PLLRDYIE LL_RCC_DisableIT_PLLRDY
  3945. * @retval None
  3946. */
  3947. __STATIC_INLINE void LL_RCC_DisableIT_PLLRDY(void)
  3948. {
  3949. CLEAR_BIT(RCC->CIER, RCC_CIER_PLLRDYIE);
  3950. }
  3951. #if defined(RCC_HSI48_SUPPORT)
  3952. /**
  3953. * @brief Disable HSI48 ready interrupt
  3954. * @rmtoll CIER HSI48RDYIE LL_RCC_DisableIT_HSI48RDY
  3955. * @retval None
  3956. */
  3957. __STATIC_INLINE void LL_RCC_DisableIT_HSI48RDY(void)
  3958. {
  3959. CLEAR_BIT(RCC->CIER, RCC_CIER_HSI48RDYIE);
  3960. }
  3961. #endif /* RCC_HSI48_SUPPORT */
  3962. /**
  3963. * @brief Disable PLLSAI1 ready interrupt
  3964. * @rmtoll CIER PLLSAI1RDYIE LL_RCC_DisableIT_PLLSAI1RDY
  3965. * @retval None
  3966. */
  3967. __STATIC_INLINE void LL_RCC_DisableIT_PLLSAI1RDY(void)
  3968. {
  3969. CLEAR_BIT(RCC->CIER, RCC_CIER_PLLSAI1RDYIE);
  3970. }
  3971. #if defined(RCC_PLLSAI2_SUPPORT)
  3972. /**
  3973. * @brief Disable PLLSAI2 ready interrupt
  3974. * @rmtoll CIER PLLSAI2RDYIE LL_RCC_DisableIT_PLLSAI2RDY
  3975. * @retval None
  3976. */
  3977. __STATIC_INLINE void LL_RCC_DisableIT_PLLSAI2RDY(void)
  3978. {
  3979. CLEAR_BIT(RCC->CIER, RCC_CIER_PLLSAI2RDYIE);
  3980. }
  3981. #endif /* RCC_PLLSAI2_SUPPORT */
  3982. /**
  3983. * @brief Disable LSE clock security system interrupt
  3984. * @rmtoll CIER LSECSSIE LL_RCC_DisableIT_LSECSS
  3985. * @retval None
  3986. */
  3987. __STATIC_INLINE void LL_RCC_DisableIT_LSECSS(void)
  3988. {
  3989. CLEAR_BIT(RCC->CIER, RCC_CIER_LSECSSIE);
  3990. }
  3991. /**
  3992. * @brief Checks if LSI ready interrupt source is enabled or disabled.
  3993. * @rmtoll CIER LSIRDYIE LL_RCC_IsEnabledIT_LSIRDY
  3994. * @retval State of bit (1 or 0).
  3995. */
  3996. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_LSIRDY(void)
  3997. {
  3998. return (READ_BIT(RCC->CIER, RCC_CIER_LSIRDYIE) == (RCC_CIER_LSIRDYIE));
  3999. }
  4000. /**
  4001. * @brief Checks if LSE ready interrupt source is enabled or disabled.
  4002. * @rmtoll CIER LSERDYIE LL_RCC_IsEnabledIT_LSERDY
  4003. * @retval State of bit (1 or 0).
  4004. */
  4005. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_LSERDY(void)
  4006. {
  4007. return (READ_BIT(RCC->CIER, RCC_CIER_LSERDYIE) == (RCC_CIER_LSERDYIE));
  4008. }
  4009. /**
  4010. * @brief Checks if MSI ready interrupt source is enabled or disabled.
  4011. * @rmtoll CIER MSIRDYIE LL_RCC_IsEnabledIT_MSIRDY
  4012. * @retval State of bit (1 or 0).
  4013. */
  4014. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_MSIRDY(void)
  4015. {
  4016. return (READ_BIT(RCC->CIER, RCC_CIER_MSIRDYIE) == (RCC_CIER_MSIRDYIE));
  4017. }
  4018. /**
  4019. * @brief Checks if HSI ready interrupt source is enabled or disabled.
  4020. * @rmtoll CIER HSIRDYIE LL_RCC_IsEnabledIT_HSIRDY
  4021. * @retval State of bit (1 or 0).
  4022. */
  4023. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSIRDY(void)
  4024. {
  4025. return (READ_BIT(RCC->CIER, RCC_CIER_HSIRDYIE) == (RCC_CIER_HSIRDYIE));
  4026. }
  4027. /**
  4028. * @brief Checks if HSE ready interrupt source is enabled or disabled.
  4029. * @rmtoll CIER HSERDYIE LL_RCC_IsEnabledIT_HSERDY
  4030. * @retval State of bit (1 or 0).
  4031. */
  4032. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSERDY(void)
  4033. {
  4034. return (READ_BIT(RCC->CIER, RCC_CIER_HSERDYIE) == (RCC_CIER_HSERDYIE));
  4035. }
  4036. /**
  4037. * @brief Checks if PLL ready interrupt source is enabled or disabled.
  4038. * @rmtoll CIER PLLRDYIE LL_RCC_IsEnabledIT_PLLRDY
  4039. * @retval State of bit (1 or 0).
  4040. */
  4041. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_PLLRDY(void)
  4042. {
  4043. return (READ_BIT(RCC->CIER, RCC_CIER_PLLRDYIE) == (RCC_CIER_PLLRDYIE));
  4044. }
  4045. #if defined(RCC_HSI48_SUPPORT)
  4046. /**
  4047. * @brief Checks if HSI48 ready interrupt source is enabled or disabled.
  4048. * @rmtoll CIER HSI48RDYIE LL_RCC_IsEnabledIT_HSI48RDY
  4049. * @retval State of bit (1 or 0).
  4050. */
  4051. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSI48RDY(void)
  4052. {
  4053. return (READ_BIT(RCC->CIER, RCC_CIER_HSI48RDYIE) == (RCC_CIER_HSI48RDYIE));
  4054. }
  4055. #endif /* RCC_HSI48_SUPPORT */
  4056. /**
  4057. * @brief Checks if PLLSAI1 ready interrupt source is enabled or disabled.
  4058. * @rmtoll CIER PLLSAI1RDYIE LL_RCC_IsEnabledIT_PLLSAI1RDY
  4059. * @retval State of bit (1 or 0).
  4060. */
  4061. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_PLLSAI1RDY(void)
  4062. {
  4063. return (READ_BIT(RCC->CIER, RCC_CIER_PLLSAI1RDYIE) == (RCC_CIER_PLLSAI1RDYIE));
  4064. }
  4065. #if defined(RCC_PLLSAI2_SUPPORT)
  4066. /**
  4067. * @brief Checks if PLLSAI2 ready interrupt source is enabled or disabled.
  4068. * @rmtoll CIER PLLSAI2RDYIE LL_RCC_IsEnabledIT_PLLSAI2RDY
  4069. * @retval State of bit (1 or 0).
  4070. */
  4071. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_PLLSAI2RDY(void)
  4072. {
  4073. return (READ_BIT(RCC->CIER, RCC_CIER_PLLSAI2RDYIE) == (RCC_CIER_PLLSAI2RDYIE));
  4074. }
  4075. #endif /* RCC_PLLSAI2_SUPPORT */
  4076. /**
  4077. * @brief Checks if LSECSS interrupt source is enabled or disabled.
  4078. * @rmtoll CIER LSECSSIE LL_RCC_IsEnabledIT_LSECSS
  4079. * @retval State of bit (1 or 0).
  4080. */
  4081. __STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_LSECSS(void)
  4082. {
  4083. return (READ_BIT(RCC->CIER, RCC_CIER_LSECSSIE) == (RCC_CIER_LSECSSIE));
  4084. }
  4085. /**
  4086. * @}
  4087. */
  4088. #if defined(USE_FULL_LL_DRIVER)
  4089. /** @defgroup RCC_LL_EF_Init De-initialization function
  4090. * @{
  4091. */
  4092. ErrorStatus LL_RCC_DeInit(void);
  4093. /**
  4094. * @}
  4095. */
  4096. /** @defgroup RCC_LL_EF_Get_Freq Get system and peripherals clocks frequency functions
  4097. * @{
  4098. */
  4099. void LL_RCC_GetSystemClocksFreq(LL_RCC_ClocksTypeDef *RCC_Clocks);
  4100. uint32_t LL_RCC_GetUSARTClockFreq(uint32_t USARTxSource);
  4101. #if defined(UART4) || defined(UART5)
  4102. uint32_t LL_RCC_GetUARTClockFreq(uint32_t UARTxSource);
  4103. #endif /* UART4 || UART5 */
  4104. uint32_t LL_RCC_GetI2CClockFreq(uint32_t I2CxSource);
  4105. uint32_t LL_RCC_GetLPUARTClockFreq(uint32_t LPUARTxSource);
  4106. uint32_t LL_RCC_GetLPTIMClockFreq(uint32_t LPTIMxSource);
  4107. uint32_t LL_RCC_GetSAIClockFreq(uint32_t SAIxSource);
  4108. uint32_t LL_RCC_GetSDMMCClockFreq(uint32_t SDMMCxSource);
  4109. uint32_t LL_RCC_GetRNGClockFreq(uint32_t RNGxSource);
  4110. #if defined(USB_OTG_FS) || defined(USB)
  4111. uint32_t LL_RCC_GetUSBClockFreq(uint32_t USBxSource);
  4112. #endif /* USB_OTG_FS || USB */
  4113. uint32_t LL_RCC_GetADCClockFreq(uint32_t ADCxSource);
  4114. #if defined(SWPMI1)
  4115. uint32_t LL_RCC_GetSWPMIClockFreq(uint32_t SWPMIxSource);
  4116. #endif /* SWPMI1 */
  4117. #if defined(DFSDM1_Channel0)
  4118. uint32_t LL_RCC_GetDFSDMClockFreq(uint32_t DFSDMxSource);
  4119. #endif /* DFSDM1_Channel0 */
  4120. /**
  4121. * @}
  4122. */
  4123. #endif /* USE_FULL_LL_DRIVER */
  4124. /**
  4125. * @}
  4126. */
  4127. /**
  4128. * @}
  4129. */
  4130. #endif /* defined(RCC) */
  4131. /**
  4132. * @}
  4133. */
  4134. #ifdef __cplusplus
  4135. }
  4136. #endif
  4137. #endif /* __STM32L4xx_LL_RCC_H */
  4138. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/