stm32f4xx_hal_rcc.h 72 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32f4xx_hal_rcc.h
  4. * @author MCD Application Team
  5. * @version V1.7.0
  6. * @date 17-February-2017
  7. * @brief Header file of RCC HAL 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 __STM32F4xx_HAL_RCC_H
  39. #define __STM32F4xx_HAL_RCC_H
  40. #ifdef __cplusplus
  41. extern "C" {
  42. #endif
  43. /* Includes ------------------------------------------------------------------*/
  44. #include "stm32f4xx_hal_def.h"
  45. /* Include RCC HAL Extended module */
  46. /* (include on top of file since RCC structures are defined in extended file) */
  47. #include "stm32f4xx_hal_rcc_ex.h"
  48. /** @addtogroup STM32F4xx_HAL_Driver
  49. * @{
  50. */
  51. /** @addtogroup RCC
  52. * @{
  53. */
  54. /* Exported types ------------------------------------------------------------*/
  55. /** @defgroup RCC_Exported_Types RCC Exported Types
  56. * @{
  57. */
  58. /**
  59. * @brief RCC Internal/External Oscillator (HSE, HSI, LSE and LSI) configuration structure definition
  60. */
  61. typedef struct
  62. {
  63. uint32_t OscillatorType; /*!< The oscillators to be configured.
  64. This parameter can be a value of @ref RCC_Oscillator_Type */
  65. uint32_t HSEState; /*!< The new state of the HSE.
  66. This parameter can be a value of @ref RCC_HSE_Config */
  67. uint32_t LSEState; /*!< The new state of the LSE.
  68. This parameter can be a value of @ref RCC_LSE_Config */
  69. uint32_t HSIState; /*!< The new state of the HSI.
  70. This parameter can be a value of @ref RCC_HSI_Config */
  71. uint32_t HSICalibrationValue; /*!< The HSI calibration trimming value (default is RCC_HSICALIBRATION_DEFAULT).
  72. This parameter must be a number between Min_Data = 0x00 and Max_Data = 0x1F */
  73. uint32_t LSIState; /*!< The new state of the LSI.
  74. This parameter can be a value of @ref RCC_LSI_Config */
  75. RCC_PLLInitTypeDef PLL; /*!< PLL structure parameters */
  76. }RCC_OscInitTypeDef;
  77. /**
  78. * @brief RCC System, AHB and APB busses clock configuration structure definition
  79. */
  80. typedef struct
  81. {
  82. uint32_t ClockType; /*!< The clock to be configured.
  83. This parameter can be a value of @ref RCC_System_Clock_Type */
  84. uint32_t SYSCLKSource; /*!< The clock source (SYSCLKS) used as system clock.
  85. This parameter can be a value of @ref RCC_System_Clock_Source */
  86. uint32_t AHBCLKDivider; /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
  87. This parameter can be a value of @ref RCC_AHB_Clock_Source */
  88. uint32_t APB1CLKDivider; /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
  89. This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */
  90. uint32_t APB2CLKDivider; /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
  91. This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */
  92. }RCC_ClkInitTypeDef;
  93. /**
  94. * @}
  95. */
  96. /* Exported constants --------------------------------------------------------*/
  97. /** @defgroup RCC_Exported_Constants RCC Exported Constants
  98. * @{
  99. */
  100. /** @defgroup RCC_Oscillator_Type Oscillator Type
  101. * @{
  102. */
  103. #define RCC_OSCILLATORTYPE_NONE 0x00000000U
  104. #define RCC_OSCILLATORTYPE_HSE 0x00000001U
  105. #define RCC_OSCILLATORTYPE_HSI 0x00000002U
  106. #define RCC_OSCILLATORTYPE_LSE 0x00000004U
  107. #define RCC_OSCILLATORTYPE_LSI 0x00000008U
  108. /**
  109. * @}
  110. */
  111. /** @defgroup RCC_HSE_Config HSE Config
  112. * @{
  113. */
  114. #define RCC_HSE_OFF 0x00000000U
  115. #define RCC_HSE_ON RCC_CR_HSEON
  116. #define RCC_HSE_BYPASS ((uint32_t)(RCC_CR_HSEBYP | RCC_CR_HSEON))
  117. /**
  118. * @}
  119. */
  120. /** @defgroup RCC_LSE_Config LSE Config
  121. * @{
  122. */
  123. #define RCC_LSE_OFF 0x00000000U
  124. #define RCC_LSE_ON RCC_BDCR_LSEON
  125. #define RCC_LSE_BYPASS ((uint32_t)(RCC_BDCR_LSEBYP | RCC_BDCR_LSEON))
  126. /**
  127. * @}
  128. */
  129. /** @defgroup RCC_HSI_Config HSI Config
  130. * @{
  131. */
  132. #define RCC_HSI_OFF ((uint8_t)0x00)
  133. #define RCC_HSI_ON ((uint8_t)0x01)
  134. #define RCC_HSICALIBRATION_DEFAULT 0x10U /* Default HSI calibration trimming value */
  135. /**
  136. * @}
  137. */
  138. /** @defgroup RCC_LSI_Config LSI Config
  139. * @{
  140. */
  141. #define RCC_LSI_OFF ((uint8_t)0x00)
  142. #define RCC_LSI_ON ((uint8_t)0x01)
  143. /**
  144. * @}
  145. */
  146. /** @defgroup RCC_PLL_Config PLL Config
  147. * @{
  148. */
  149. #define RCC_PLL_NONE ((uint8_t)0x00)
  150. #define RCC_PLL_OFF ((uint8_t)0x01)
  151. #define RCC_PLL_ON ((uint8_t)0x02)
  152. /**
  153. * @}
  154. */
  155. /** @defgroup RCC_PLLP_Clock_Divider PLLP Clock Divider
  156. * @{
  157. */
  158. #define RCC_PLLP_DIV2 0x00000002U
  159. #define RCC_PLLP_DIV4 0x00000004U
  160. #define RCC_PLLP_DIV6 0x00000006U
  161. #define RCC_PLLP_DIV8 0x00000008U
  162. /**
  163. * @}
  164. */
  165. /** @defgroup RCC_PLL_Clock_Source PLL Clock Source
  166. * @{
  167. */
  168. #define RCC_PLLSOURCE_HSI RCC_PLLCFGR_PLLSRC_HSI
  169. #define RCC_PLLSOURCE_HSE RCC_PLLCFGR_PLLSRC_HSE
  170. /**
  171. * @}
  172. */
  173. /** @defgroup RCC_System_Clock_Type System Clock Type
  174. * @{
  175. */
  176. #define RCC_CLOCKTYPE_SYSCLK 0x00000001U
  177. #define RCC_CLOCKTYPE_HCLK 0x00000002U
  178. #define RCC_CLOCKTYPE_PCLK1 0x00000004U
  179. #define RCC_CLOCKTYPE_PCLK2 0x00000008U
  180. /**
  181. * @}
  182. */
  183. /** @defgroup RCC_System_Clock_Source System Clock Source
  184. * @note The RCC_SYSCLKSOURCE_PLLRCLK parameter is available only for
  185. * STM32F446xx devices.
  186. * @{
  187. */
  188. #define RCC_SYSCLKSOURCE_HSI RCC_CFGR_SW_HSI
  189. #define RCC_SYSCLKSOURCE_HSE RCC_CFGR_SW_HSE
  190. #define RCC_SYSCLKSOURCE_PLLCLK RCC_CFGR_SW_PLL
  191. #define RCC_SYSCLKSOURCE_PLLRCLK ((uint32_t)(RCC_CFGR_SW_0 | RCC_CFGR_SW_1))
  192. /**
  193. * @}
  194. */
  195. /** @defgroup RCC_System_Clock_Source_Status System Clock Source Status
  196. * @note The RCC_SYSCLKSOURCE_STATUS_PLLRCLK parameter is available only for
  197. * STM32F446xx devices.
  198. * @{
  199. */
  200. #define RCC_SYSCLKSOURCE_STATUS_HSI RCC_CFGR_SWS_HSI /*!< HSI used as system clock */
  201. #define RCC_SYSCLKSOURCE_STATUS_HSE RCC_CFGR_SWS_HSE /*!< HSE used as system clock */
  202. #define RCC_SYSCLKSOURCE_STATUS_PLLCLK RCC_CFGR_SWS_PLL /*!< PLL used as system clock */
  203. #define RCC_SYSCLKSOURCE_STATUS_PLLRCLK ((uint32_t)(RCC_CFGR_SWS_0 | RCC_CFGR_SWS_1)) /*!< PLLR used as system clock */
  204. /**
  205. * @}
  206. */
  207. /** @defgroup RCC_AHB_Clock_Source AHB Clock Source
  208. * @{
  209. */
  210. #define RCC_SYSCLK_DIV1 RCC_CFGR_HPRE_DIV1
  211. #define RCC_SYSCLK_DIV2 RCC_CFGR_HPRE_DIV2
  212. #define RCC_SYSCLK_DIV4 RCC_CFGR_HPRE_DIV4
  213. #define RCC_SYSCLK_DIV8 RCC_CFGR_HPRE_DIV8
  214. #define RCC_SYSCLK_DIV16 RCC_CFGR_HPRE_DIV16
  215. #define RCC_SYSCLK_DIV64 RCC_CFGR_HPRE_DIV64
  216. #define RCC_SYSCLK_DIV128 RCC_CFGR_HPRE_DIV128
  217. #define RCC_SYSCLK_DIV256 RCC_CFGR_HPRE_DIV256
  218. #define RCC_SYSCLK_DIV512 RCC_CFGR_HPRE_DIV512
  219. /**
  220. * @}
  221. */
  222. /** @defgroup RCC_APB1_APB2_Clock_Source APB1/APB2 Clock Source
  223. * @{
  224. */
  225. #define RCC_HCLK_DIV1 RCC_CFGR_PPRE1_DIV1
  226. #define RCC_HCLK_DIV2 RCC_CFGR_PPRE1_DIV2
  227. #define RCC_HCLK_DIV4 RCC_CFGR_PPRE1_DIV4
  228. #define RCC_HCLK_DIV8 RCC_CFGR_PPRE1_DIV8
  229. #define RCC_HCLK_DIV16 RCC_CFGR_PPRE1_DIV16
  230. /**
  231. * @}
  232. */
  233. /** @defgroup RCC_RTC_Clock_Source RTC Clock Source
  234. * @{
  235. */
  236. #define RCC_RTCCLKSOURCE_LSE 0x00000100U
  237. #define RCC_RTCCLKSOURCE_LSI 0x00000200U
  238. #define RCC_RTCCLKSOURCE_HSE_DIV2 0x00020300U
  239. #define RCC_RTCCLKSOURCE_HSE_DIV3 0x00030300U
  240. #define RCC_RTCCLKSOURCE_HSE_DIV4 0x00040300U
  241. #define RCC_RTCCLKSOURCE_HSE_DIV5 0x00050300U
  242. #define RCC_RTCCLKSOURCE_HSE_DIV6 0x00060300U
  243. #define RCC_RTCCLKSOURCE_HSE_DIV7 0x00070300U
  244. #define RCC_RTCCLKSOURCE_HSE_DIV8 0x00080300U
  245. #define RCC_RTCCLKSOURCE_HSE_DIV9 0x00090300U
  246. #define RCC_RTCCLKSOURCE_HSE_DIV10 0x000A0300U
  247. #define RCC_RTCCLKSOURCE_HSE_DIV11 0x000B0300U
  248. #define RCC_RTCCLKSOURCE_HSE_DIV12 0x000C0300U
  249. #define RCC_RTCCLKSOURCE_HSE_DIV13 0x000D0300U
  250. #define RCC_RTCCLKSOURCE_HSE_DIV14 0x000E0300U
  251. #define RCC_RTCCLKSOURCE_HSE_DIV15 0x000F0300U
  252. #define RCC_RTCCLKSOURCE_HSE_DIV16 0x00100300U
  253. #define RCC_RTCCLKSOURCE_HSE_DIV17 0x00110300U
  254. #define RCC_RTCCLKSOURCE_HSE_DIV18 0x00120300U
  255. #define RCC_RTCCLKSOURCE_HSE_DIV19 0x00130300U
  256. #define RCC_RTCCLKSOURCE_HSE_DIV20 0x00140300U
  257. #define RCC_RTCCLKSOURCE_HSE_DIV21 0x00150300U
  258. #define RCC_RTCCLKSOURCE_HSE_DIV22 0x00160300U
  259. #define RCC_RTCCLKSOURCE_HSE_DIV23 0x00170300U
  260. #define RCC_RTCCLKSOURCE_HSE_DIV24 0x00180300U
  261. #define RCC_RTCCLKSOURCE_HSE_DIV25 0x00190300U
  262. #define RCC_RTCCLKSOURCE_HSE_DIV26 0x001A0300U
  263. #define RCC_RTCCLKSOURCE_HSE_DIV27 0x001B0300U
  264. #define RCC_RTCCLKSOURCE_HSE_DIV28 0x001C0300U
  265. #define RCC_RTCCLKSOURCE_HSE_DIV29 0x001D0300U
  266. #define RCC_RTCCLKSOURCE_HSE_DIV30 0x001E0300U
  267. #define RCC_RTCCLKSOURCE_HSE_DIV31 0x001F0300U
  268. /**
  269. * @}
  270. */
  271. /** @defgroup RCC_MCO_Index MCO Index
  272. * @{
  273. */
  274. #define RCC_MCO1 0x00000000U
  275. #define RCC_MCO2 0x00000001U
  276. /**
  277. * @}
  278. */
  279. /** @defgroup RCC_MCO1_Clock_Source MCO1 Clock Source
  280. * @{
  281. */
  282. #define RCC_MCO1SOURCE_HSI 0x00000000U
  283. #define RCC_MCO1SOURCE_LSE RCC_CFGR_MCO1_0
  284. #define RCC_MCO1SOURCE_HSE RCC_CFGR_MCO1_1
  285. #define RCC_MCO1SOURCE_PLLCLK RCC_CFGR_MCO1
  286. /**
  287. * @}
  288. */
  289. /** @defgroup RCC_MCOx_Clock_Prescaler MCOx Clock Prescaler
  290. * @{
  291. */
  292. #define RCC_MCODIV_1 0x00000000U
  293. #define RCC_MCODIV_2 RCC_CFGR_MCO1PRE_2
  294. #define RCC_MCODIV_3 ((uint32_t)RCC_CFGR_MCO1PRE_0 | RCC_CFGR_MCO1PRE_2)
  295. #define RCC_MCODIV_4 ((uint32_t)RCC_CFGR_MCO1PRE_1 | RCC_CFGR_MCO1PRE_2)
  296. #define RCC_MCODIV_5 RCC_CFGR_MCO1PRE
  297. /**
  298. * @}
  299. */
  300. /** @defgroup RCC_Interrupt Interrupts
  301. * @{
  302. */
  303. #define RCC_IT_LSIRDY ((uint8_t)0x01)
  304. #define RCC_IT_LSERDY ((uint8_t)0x02)
  305. #define RCC_IT_HSIRDY ((uint8_t)0x04)
  306. #define RCC_IT_HSERDY ((uint8_t)0x08)
  307. #define RCC_IT_PLLRDY ((uint8_t)0x10)
  308. #define RCC_IT_PLLI2SRDY ((uint8_t)0x20)
  309. #define RCC_IT_CSS ((uint8_t)0x80)
  310. /**
  311. * @}
  312. */
  313. /** @defgroup RCC_Flag Flags
  314. * Elements values convention: 0XXYYYYYb
  315. * - YYYYY : Flag position in the register
  316. * - 0XX : Register index
  317. * - 01: CR register
  318. * - 10: BDCR register
  319. * - 11: CSR register
  320. * @{
  321. */
  322. /* Flags in the CR register */
  323. #define RCC_FLAG_HSIRDY ((uint8_t)0x21)
  324. #define RCC_FLAG_HSERDY ((uint8_t)0x31)
  325. #define RCC_FLAG_PLLRDY ((uint8_t)0x39)
  326. #define RCC_FLAG_PLLI2SRDY ((uint8_t)0x3B)
  327. /* Flags in the BDCR register */
  328. #define RCC_FLAG_LSERDY ((uint8_t)0x41)
  329. /* Flags in the CSR register */
  330. #define RCC_FLAG_LSIRDY ((uint8_t)0x61)
  331. #define RCC_FLAG_BORRST ((uint8_t)0x79)
  332. #define RCC_FLAG_PINRST ((uint8_t)0x7A)
  333. #define RCC_FLAG_PORRST ((uint8_t)0x7B)
  334. #define RCC_FLAG_SFTRST ((uint8_t)0x7C)
  335. #define RCC_FLAG_IWDGRST ((uint8_t)0x7D)
  336. #define RCC_FLAG_WWDGRST ((uint8_t)0x7E)
  337. #define RCC_FLAG_LPWRRST ((uint8_t)0x7F)
  338. /**
  339. * @}
  340. */
  341. /**
  342. * @}
  343. */
  344. /* Exported macro ------------------------------------------------------------*/
  345. /** @defgroup RCC_Exported_Macros RCC Exported Macros
  346. * @{
  347. */
  348. /** @defgroup RCC_AHB1_Clock_Enable_Disable AHB1 Peripheral Clock Enable Disable
  349. * @brief Enable or disable the AHB1 peripheral clock.
  350. * @note After reset, the peripheral clock (used for registers read/write access)
  351. * is disabled and the application software has to enable this clock before
  352. * using it.
  353. * @{
  354. */
  355. #define __HAL_RCC_GPIOA_CLK_ENABLE() do { \
  356. __IO uint32_t tmpreg = 0x00U; \
  357. SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOAEN);\
  358. /* Delay after an RCC peripheral clock enabling */ \
  359. tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOAEN);\
  360. UNUSED(tmpreg); \
  361. } while(0U)
  362. #define __HAL_RCC_GPIOB_CLK_ENABLE() do { \
  363. __IO uint32_t tmpreg = 0x00U; \
  364. SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOBEN);\
  365. /* Delay after an RCC peripheral clock enabling */ \
  366. tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOBEN);\
  367. UNUSED(tmpreg); \
  368. } while(0U)
  369. #define __HAL_RCC_GPIOC_CLK_ENABLE() do { \
  370. __IO uint32_t tmpreg = 0x00U; \
  371. SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOCEN);\
  372. /* Delay after an RCC peripheral clock enabling */ \
  373. tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOCEN);\
  374. UNUSED(tmpreg); \
  375. } while(0U)
  376. #define __HAL_RCC_GPIOH_CLK_ENABLE() do { \
  377. __IO uint32_t tmpreg = 0x00U; \
  378. SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOHEN);\
  379. /* Delay after an RCC peripheral clock enabling */ \
  380. tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOHEN);\
  381. UNUSED(tmpreg); \
  382. } while(0U)
  383. #define __HAL_RCC_DMA1_CLK_ENABLE() do { \
  384. __IO uint32_t tmpreg = 0x00U; \
  385. SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_DMA1EN);\
  386. /* Delay after an RCC peripheral clock enabling */ \
  387. tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_DMA1EN);\
  388. UNUSED(tmpreg); \
  389. } while(0U)
  390. #define __HAL_RCC_DMA2_CLK_ENABLE() do { \
  391. __IO uint32_t tmpreg = 0x00U; \
  392. SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_DMA2EN);\
  393. /* Delay after an RCC peripheral clock enabling */ \
  394. tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_DMA2EN);\
  395. UNUSED(tmpreg); \
  396. } while(0U)
  397. #define __HAL_RCC_GPIOA_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOAEN))
  398. #define __HAL_RCC_GPIOB_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOBEN))
  399. #define __HAL_RCC_GPIOC_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOCEN))
  400. #define __HAL_RCC_GPIOH_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOHEN))
  401. #define __HAL_RCC_DMA1_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_DMA1EN))
  402. #define __HAL_RCC_DMA2_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_DMA2EN))
  403. /**
  404. * @}
  405. */
  406. /** @defgroup RCC_AHB1_Peripheral_Clock_Enable_Disable_Status AHB1 Peripheral Clock Enable Disable Status
  407. * @brief Get the enable or disable status of the AHB1 peripheral clock.
  408. * @note After reset, the peripheral clock (used for registers read/write access)
  409. * is disabled and the application software has to enable this clock before
  410. * using it.
  411. * @{
  412. */
  413. #define __HAL_RCC_GPIOA_IS_CLK_ENABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOAEN)) != RESET)
  414. #define __HAL_RCC_GPIOB_IS_CLK_ENABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOBEN)) != RESET)
  415. #define __HAL_RCC_GPIOC_IS_CLK_ENABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOCEN)) != RESET)
  416. #define __HAL_RCC_GPIOH_IS_CLK_ENABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOHEN)) != RESET)
  417. #define __HAL_RCC_DMA1_IS_CLK_ENABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_DMA1EN)) != RESET)
  418. #define __HAL_RCC_DMA2_IS_CLK_ENABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_DMA2EN)) != RESET)
  419. #define __HAL_RCC_GPIOA_IS_CLK_DISABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOAEN)) == RESET)
  420. #define __HAL_RCC_GPIOB_IS_CLK_DISABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOBEN)) == RESET)
  421. #define __HAL_RCC_GPIOC_IS_CLK_DISABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOCEN)) == RESET)
  422. #define __HAL_RCC_GPIOH_IS_CLK_DISABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOHEN)) == RESET)
  423. #define __HAL_RCC_DMA1_IS_CLK_DISABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_DMA1EN)) == RESET)
  424. #define __HAL_RCC_DMA2_IS_CLK_DISABLED() ((RCC->AHB1ENR &(RCC_AHB1ENR_DMA2EN)) == RESET)
  425. /**
  426. * @}
  427. */
  428. /** @defgroup RCC_APB1_Clock_Enable_Disable APB1 Peripheral Clock Enable Disable
  429. * @brief Enable or disable the Low Speed APB (APB1) peripheral clock.
  430. * @note After reset, the peripheral clock (used for registers read/write access)
  431. * is disabled and the application software has to enable this clock before
  432. * using it.
  433. * @{
  434. */
  435. #define __HAL_RCC_TIM5_CLK_ENABLE() do { \
  436. __IO uint32_t tmpreg = 0x00U; \
  437. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM5EN);\
  438. /* Delay after an RCC peripheral clock enabling */ \
  439. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM5EN);\
  440. UNUSED(tmpreg); \
  441. } while(0U)
  442. #define __HAL_RCC_WWDG_CLK_ENABLE() do { \
  443. __IO uint32_t tmpreg = 0x00U; \
  444. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN);\
  445. /* Delay after an RCC peripheral clock enabling */ \
  446. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN);\
  447. UNUSED(tmpreg); \
  448. } while(0U)
  449. #define __HAL_RCC_SPI2_CLK_ENABLE() do { \
  450. __IO uint32_t tmpreg = 0x00U; \
  451. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_SPI2EN);\
  452. /* Delay after an RCC peripheral clock enabling */ \
  453. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_SPI2EN);\
  454. UNUSED(tmpreg); \
  455. } while(0U)
  456. #define __HAL_RCC_USART2_CLK_ENABLE() do { \
  457. __IO uint32_t tmpreg = 0x00U; \
  458. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_USART2EN);\
  459. /* Delay after an RCC peripheral clock enabling */ \
  460. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_USART2EN);\
  461. UNUSED(tmpreg); \
  462. } while(0U)
  463. #define __HAL_RCC_I2C1_CLK_ENABLE() do { \
  464. __IO uint32_t tmpreg = 0x00U; \
  465. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C1EN);\
  466. /* Delay after an RCC peripheral clock enabling */ \
  467. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C1EN);\
  468. UNUSED(tmpreg); \
  469. } while(0U)
  470. #define __HAL_RCC_I2C2_CLK_ENABLE() do { \
  471. __IO uint32_t tmpreg = 0x00U; \
  472. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C2EN);\
  473. /* Delay after an RCC peripheral clock enabling */ \
  474. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C2EN);\
  475. UNUSED(tmpreg); \
  476. } while(0U)
  477. #define __HAL_RCC_PWR_CLK_ENABLE() do { \
  478. __IO uint32_t tmpreg = 0x00U; \
  479. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN);\
  480. /* Delay after an RCC peripheral clock enabling */ \
  481. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN);\
  482. UNUSED(tmpreg); \
  483. } while(0U)
  484. #define __HAL_RCC_TIM5_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM5EN))
  485. #define __HAL_RCC_WWDG_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_WWDGEN))
  486. #define __HAL_RCC_SPI2_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_SPI2EN))
  487. #define __HAL_RCC_USART2_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_USART2EN))
  488. #define __HAL_RCC_I2C1_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C1EN))
  489. #define __HAL_RCC_I2C2_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C2EN))
  490. #define __HAL_RCC_PWR_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_PWREN))
  491. /**
  492. * @}
  493. */
  494. /** @defgroup RCC_APB1_Peripheral_Clock_Enable_Disable_Status APB1 Peripheral Clock Enable Disable Status
  495. * @brief Get the enable or disable status of the APB1 peripheral clock.
  496. * @note After reset, the peripheral clock (used for registers read/write access)
  497. * is disabled and the application software has to enable this clock before
  498. * using it.
  499. * @{
  500. */
  501. #define __HAL_RCC_TIM5_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_TIM5EN)) != RESET)
  502. #define __HAL_RCC_WWDG_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) != RESET)
  503. #define __HAL_RCC_SPI2_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_SPI2EN)) != RESET)
  504. #define __HAL_RCC_USART2_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_USART2EN)) != RESET)
  505. #define __HAL_RCC_I2C1_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_I2C1EN)) != RESET)
  506. #define __HAL_RCC_I2C2_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_I2C2EN)) != RESET)
  507. #define __HAL_RCC_PWR_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) != RESET)
  508. #define __HAL_RCC_TIM5_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_TIM5EN)) == RESET)
  509. #define __HAL_RCC_WWDG_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) == RESET)
  510. #define __HAL_RCC_SPI2_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_SPI2EN)) == RESET)
  511. #define __HAL_RCC_USART2_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_USART2EN)) == RESET)
  512. #define __HAL_RCC_I2C1_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_I2C1EN)) == RESET)
  513. #define __HAL_RCC_I2C2_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_I2C2EN)) == RESET)
  514. #define __HAL_RCC_PWR_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) == RESET)
  515. /**
  516. * @}
  517. */
  518. /** @defgroup RCC_APB2_Clock_Enable_Disable APB2 Peripheral Clock Enable Disable
  519. * @brief Enable or disable the High Speed APB (APB2) peripheral clock.
  520. * @note After reset, the peripheral clock (used for registers read/write access)
  521. * is disabled and the application software has to enable this clock before
  522. * using it.
  523. * @{
  524. */
  525. #define __HAL_RCC_TIM1_CLK_ENABLE() do { \
  526. __IO uint32_t tmpreg = 0x00U; \
  527. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM1EN);\
  528. /* Delay after an RCC peripheral clock enabling */ \
  529. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM1EN);\
  530. UNUSED(tmpreg); \
  531. } while(0U)
  532. #define __HAL_RCC_USART1_CLK_ENABLE() do { \
  533. __IO uint32_t tmpreg = 0x00U; \
  534. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_USART1EN);\
  535. /* Delay after an RCC peripheral clock enabling */ \
  536. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_USART1EN);\
  537. UNUSED(tmpreg); \
  538. } while(0U)
  539. #define __HAL_RCC_USART6_CLK_ENABLE() do { \
  540. __IO uint32_t tmpreg = 0x00U; \
  541. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_USART6EN);\
  542. /* Delay after an RCC peripheral clock enabling */ \
  543. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_USART6EN);\
  544. UNUSED(tmpreg); \
  545. } while(0U)
  546. #define __HAL_RCC_ADC1_CLK_ENABLE() do { \
  547. __IO uint32_t tmpreg = 0x00U; \
  548. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_ADC1EN);\
  549. /* Delay after an RCC peripheral clock enabling */ \
  550. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_ADC1EN);\
  551. UNUSED(tmpreg); \
  552. } while(0U)
  553. #define __HAL_RCC_SPI1_CLK_ENABLE() do { \
  554. __IO uint32_t tmpreg = 0x00U; \
  555. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_SPI1EN);\
  556. /* Delay after an RCC peripheral clock enabling */ \
  557. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_SPI1EN);\
  558. UNUSED(tmpreg); \
  559. } while(0U)
  560. #define __HAL_RCC_SYSCFG_CLK_ENABLE() do { \
  561. __IO uint32_t tmpreg = 0x00U; \
  562. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN);\
  563. /* Delay after an RCC peripheral clock enabling */ \
  564. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN);\
  565. UNUSED(tmpreg); \
  566. } while(0U)
  567. #define __HAL_RCC_TIM9_CLK_ENABLE() do { \
  568. __IO uint32_t tmpreg = 0x00U; \
  569. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM9EN);\
  570. /* Delay after an RCC peripheral clock enabling */ \
  571. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM9EN);\
  572. UNUSED(tmpreg); \
  573. } while(0U)
  574. #define __HAL_RCC_TIM11_CLK_ENABLE() do { \
  575. __IO uint32_t tmpreg = 0x00U; \
  576. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM11EN);\
  577. /* Delay after an RCC peripheral clock enabling */ \
  578. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM11EN);\
  579. UNUSED(tmpreg); \
  580. } while(0U)
  581. #define __HAL_RCC_TIM1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM1EN))
  582. #define __HAL_RCC_USART1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_USART1EN))
  583. #define __HAL_RCC_USART6_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_USART6EN))
  584. #define __HAL_RCC_ADC1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_ADC1EN))
  585. #define __HAL_RCC_SPI1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_SPI1EN))
  586. #define __HAL_RCC_SYSCFG_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_SYSCFGEN))
  587. #define __HAL_RCC_TIM9_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM9EN))
  588. #define __HAL_RCC_TIM11_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM11EN))
  589. /**
  590. * @}
  591. */
  592. /** @defgroup RCC_APB2_Peripheral_Clock_Enable_Disable_Status APB2 Peripheral Clock Enable Disable Status
  593. * @brief Get the enable or disable status of the APB2 peripheral clock.
  594. * @note After reset, the peripheral clock (used for registers read/write access)
  595. * is disabled and the application software has to enable this clock before
  596. * using it.
  597. * @{
  598. */
  599. #define __HAL_RCC_TIM1_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM1EN)) != RESET)
  600. #define __HAL_RCC_USART1_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_USART1EN)) != RESET)
  601. #define __HAL_RCC_USART6_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_USART6EN)) != RESET)
  602. #define __HAL_RCC_ADC1_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_ADC1EN)) != RESET)
  603. #define __HAL_RCC_SPI1_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SPI1EN)) != RESET)
  604. #define __HAL_RCC_SYSCFG_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SYSCFGEN)) != RESET)
  605. #define __HAL_RCC_TIM9_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM9EN)) != RESET)
  606. #define __HAL_RCC_TIM11_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM11EN)) != RESET)
  607. #define __HAL_RCC_TIM1_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM1EN)) == RESET)
  608. #define __HAL_RCC_USART1_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_USART1EN)) == RESET)
  609. #define __HAL_RCC_USART6_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_USART6EN)) == RESET)
  610. #define __HAL_RCC_ADC1_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_ADC1EN)) == RESET)
  611. #define __HAL_RCC_SPI1_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SPI1EN)) == RESET)
  612. #define __HAL_RCC_SYSCFG_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SYSCFGEN)) == RESET)
  613. #define __HAL_RCC_TIM9_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM9EN)) == RESET)
  614. #define __HAL_RCC_TIM11_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_TIM11EN)) == RESET)
  615. /**
  616. * @}
  617. */
  618. /** @defgroup RCC_AHB1_Force_Release_Reset AHB1 Force Release Reset
  619. * @brief Force or release AHB1 peripheral reset.
  620. * @{
  621. */
  622. #define __HAL_RCC_AHB1_FORCE_RESET() (RCC->AHB1RSTR = 0xFFFFFFFFU)
  623. #define __HAL_RCC_GPIOA_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_GPIOARST))
  624. #define __HAL_RCC_GPIOB_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_GPIOBRST))
  625. #define __HAL_RCC_GPIOC_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_GPIOCRST))
  626. #define __HAL_RCC_GPIOH_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_GPIOHRST))
  627. #define __HAL_RCC_DMA1_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_DMA1RST))
  628. #define __HAL_RCC_DMA2_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_DMA2RST))
  629. #define __HAL_RCC_AHB1_RELEASE_RESET() (RCC->AHB1RSTR = 0x00U)
  630. #define __HAL_RCC_GPIOA_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIOARST))
  631. #define __HAL_RCC_GPIOB_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIOBRST))
  632. #define __HAL_RCC_GPIOC_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIOCRST))
  633. #define __HAL_RCC_GPIOH_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_GPIOHRST))
  634. #define __HAL_RCC_DMA1_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_DMA1RST))
  635. #define __HAL_RCC_DMA2_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_DMA2RST))
  636. /**
  637. * @}
  638. */
  639. /** @defgroup RCC_APB1_Force_Release_Reset APB1 Force Release Reset
  640. * @brief Force or release APB1 peripheral reset.
  641. * @{
  642. */
  643. #define __HAL_RCC_APB1_FORCE_RESET() (RCC->APB1RSTR = 0xFFFFFFFFU)
  644. #define __HAL_RCC_TIM5_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM5RST))
  645. #define __HAL_RCC_WWDG_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_WWDGRST))
  646. #define __HAL_RCC_SPI2_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_SPI2RST))
  647. #define __HAL_RCC_USART2_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_USART2RST))
  648. #define __HAL_RCC_I2C1_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_I2C1RST))
  649. #define __HAL_RCC_I2C2_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_I2C2RST))
  650. #define __HAL_RCC_PWR_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_PWRRST))
  651. #define __HAL_RCC_APB1_RELEASE_RESET() (RCC->APB1RSTR = 0x00U)
  652. #define __HAL_RCC_TIM5_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM5RST))
  653. #define __HAL_RCC_WWDG_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_WWDGRST))
  654. #define __HAL_RCC_SPI2_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_SPI2RST))
  655. #define __HAL_RCC_USART2_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_USART2RST))
  656. #define __HAL_RCC_I2C1_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_I2C1RST))
  657. #define __HAL_RCC_I2C2_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_I2C2RST))
  658. #define __HAL_RCC_PWR_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_PWRRST))
  659. /**
  660. * @}
  661. */
  662. /** @defgroup RCC_APB2_Force_Release_Reset APB2 Force Release Reset
  663. * @brief Force or release APB2 peripheral reset.
  664. * @{
  665. */
  666. #define __HAL_RCC_APB2_FORCE_RESET() (RCC->APB2RSTR = 0xFFFFFFFFU)
  667. #define __HAL_RCC_TIM1_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM1RST))
  668. #define __HAL_RCC_USART1_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_USART1RST))
  669. #define __HAL_RCC_USART6_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_USART6RST))
  670. #define __HAL_RCC_ADC_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_ADCRST))
  671. #define __HAL_RCC_SPI1_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_SPI1RST))
  672. #define __HAL_RCC_SYSCFG_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_SYSCFGRST))
  673. #define __HAL_RCC_TIM9_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM9RST))
  674. #define __HAL_RCC_TIM11_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM11RST))
  675. #define __HAL_RCC_APB2_RELEASE_RESET() (RCC->APB2RSTR = 0x00U)
  676. #define __HAL_RCC_TIM1_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM1RST))
  677. #define __HAL_RCC_USART1_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_USART1RST))
  678. #define __HAL_RCC_USART6_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_USART6RST))
  679. #define __HAL_RCC_ADC_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_ADCRST))
  680. #define __HAL_RCC_SPI1_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SPI1RST))
  681. #define __HAL_RCC_SYSCFG_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SYSCFGRST))
  682. #define __HAL_RCC_TIM9_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM9RST))
  683. #define __HAL_RCC_TIM11_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM11RST))
  684. /**
  685. * @}
  686. */
  687. /** @defgroup RCC_AHB1_LowPower_Enable_Disable AHB1 Peripheral Low Power Enable Disable
  688. * @brief Enable or disable the AHB1 peripheral clock during Low Power (Sleep) mode.
  689. * @note Peripheral clock gating in SLEEP mode can be used to further reduce
  690. * power consumption.
  691. * @note After wake-up from SLEEP mode, the peripheral clock is enabled again.
  692. * @note By default, all peripheral clocks are enabled during SLEEP mode.
  693. * @{
  694. */
  695. #define __HAL_RCC_GPIOA_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_GPIOALPEN))
  696. #define __HAL_RCC_GPIOB_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_GPIOBLPEN))
  697. #define __HAL_RCC_GPIOC_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_GPIOCLPEN))
  698. #define __HAL_RCC_GPIOH_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_GPIOHLPEN))
  699. #define __HAL_RCC_DMA1_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_DMA1LPEN))
  700. #define __HAL_RCC_DMA2_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_DMA2LPEN))
  701. #define __HAL_RCC_GPIOA_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_GPIOALPEN))
  702. #define __HAL_RCC_GPIOB_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_GPIOBLPEN))
  703. #define __HAL_RCC_GPIOC_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_GPIOCLPEN))
  704. #define __HAL_RCC_GPIOH_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_GPIOHLPEN))
  705. #define __HAL_RCC_DMA1_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_DMA1LPEN))
  706. #define __HAL_RCC_DMA2_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_DMA2LPEN))
  707. /**
  708. * @}
  709. */
  710. /** @defgroup RCC_APB1_LowPower_Enable_Disable APB1 Peripheral Low Power Enable Disable
  711. * @brief Enable or disable the APB1 peripheral clock during Low Power (Sleep) mode.
  712. * @note Peripheral clock gating in SLEEP mode can be used to further reduce
  713. * power consumption.
  714. * @note After wake-up from SLEEP mode, the peripheral clock is enabled again.
  715. * @note By default, all peripheral clocks are enabled during SLEEP mode.
  716. * @{
  717. */
  718. #define __HAL_RCC_TIM5_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_TIM5LPEN))
  719. #define __HAL_RCC_WWDG_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_WWDGLPEN))
  720. #define __HAL_RCC_SPI2_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_SPI2LPEN))
  721. #define __HAL_RCC_USART2_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_USART2LPEN))
  722. #define __HAL_RCC_I2C1_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_I2C1LPEN))
  723. #define __HAL_RCC_I2C2_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_I2C2LPEN))
  724. #define __HAL_RCC_PWR_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_PWRLPEN))
  725. #define __HAL_RCC_TIM5_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_TIM5LPEN))
  726. #define __HAL_RCC_WWDG_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_WWDGLPEN))
  727. #define __HAL_RCC_SPI2_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_SPI2LPEN))
  728. #define __HAL_RCC_USART2_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_USART2LPEN))
  729. #define __HAL_RCC_I2C1_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_I2C1LPEN))
  730. #define __HAL_RCC_I2C2_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_I2C2LPEN))
  731. #define __HAL_RCC_PWR_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_PWRLPEN))
  732. /**
  733. * @}
  734. */
  735. /** @defgroup RCC_APB2_LowPower_Enable_Disable APB2 Peripheral Low Power Enable Disable
  736. * @brief Enable or disable the APB2 peripheral clock during Low Power (Sleep) mode.
  737. * @note Peripheral clock gating in SLEEP mode can be used to further reduce
  738. * power consumption.
  739. * @note After wake-up from SLEEP mode, the peripheral clock is enabled again.
  740. * @note By default, all peripheral clocks are enabled during SLEEP mode.
  741. * @{
  742. */
  743. #define __HAL_RCC_TIM1_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_TIM1LPEN))
  744. #define __HAL_RCC_USART1_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_USART1LPEN))
  745. #define __HAL_RCC_USART6_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_USART6LPEN))
  746. #define __HAL_RCC_ADC1_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_ADC1LPEN))
  747. #define __HAL_RCC_SPI1_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_SPI1LPEN))
  748. #define __HAL_RCC_SYSCFG_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_SYSCFGLPEN))
  749. #define __HAL_RCC_TIM9_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_TIM9LPEN))
  750. #define __HAL_RCC_TIM11_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_TIM11LPEN))
  751. #define __HAL_RCC_TIM1_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_TIM1LPEN))
  752. #define __HAL_RCC_USART1_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_USART1LPEN))
  753. #define __HAL_RCC_USART6_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_USART6LPEN))
  754. #define __HAL_RCC_ADC1_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_ADC1LPEN))
  755. #define __HAL_RCC_SPI1_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_SPI1LPEN))
  756. #define __HAL_RCC_SYSCFG_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_SYSCFGLPEN))
  757. #define __HAL_RCC_TIM9_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_TIM9LPEN))
  758. #define __HAL_RCC_TIM11_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_TIM11LPEN))
  759. /**
  760. * @}
  761. */
  762. /** @defgroup RCC_HSI_Configuration HSI Configuration
  763. * @{
  764. */
  765. /** @brief Macros to enable or disable the Internal High Speed oscillator (HSI).
  766. * @note The HSI is stopped by hardware when entering STOP and STANDBY modes.
  767. * It is used (enabled by hardware) as system clock source after startup
  768. * from Reset, wake-up from STOP and STANDBY mode, or in case of failure
  769. * of the HSE used directly or indirectly as system clock (if the Clock
  770. * Security System CSS is enabled).
  771. * @note HSI can not be stopped if it is used as system clock source. In this case,
  772. * you have to select another source of the system clock then stop the HSI.
  773. * @note After enabling the HSI, the application software should wait on HSIRDY
  774. * flag to be set indicating that HSI clock is stable and can be used as
  775. * system clock source.
  776. * This parameter can be: ENABLE or DISABLE.
  777. * @note When the HSI is stopped, HSIRDY flag goes low after 6 HSI oscillator
  778. * clock cycles.
  779. */
  780. #define __HAL_RCC_HSI_ENABLE() (*(__IO uint32_t *) RCC_CR_HSION_BB = ENABLE)
  781. #define __HAL_RCC_HSI_DISABLE() (*(__IO uint32_t *) RCC_CR_HSION_BB = DISABLE)
  782. /** @brief Macro to adjust the Internal High Speed oscillator (HSI) calibration value.
  783. * @note The calibration is used to compensate for the variations in voltage
  784. * and temperature that influence the frequency of the internal HSI RC.
  785. * @param __HSICalibrationValue__: specifies the calibration trimming value.
  786. * (default is RCC_HSICALIBRATION_DEFAULT).
  787. * This parameter must be a number between 0 and 0x1F.
  788. */
  789. #define __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(__HSICalibrationValue__) (MODIFY_REG(RCC->CR,\
  790. RCC_CR_HSITRIM, (uint32_t)(__HSICalibrationValue__) << POSITION_VAL(RCC_CR_HSITRIM)))
  791. /**
  792. * @}
  793. */
  794. /** @defgroup RCC_LSI_Configuration LSI Configuration
  795. * @{
  796. */
  797. /** @brief Macros to enable or disable the Internal Low Speed oscillator (LSI).
  798. * @note After enabling the LSI, the application software should wait on
  799. * LSIRDY flag to be set indicating that LSI clock is stable and can
  800. * be used to clock the IWDG and/or the RTC.
  801. * @note LSI can not be disabled if the IWDG is running.
  802. * @note When the LSI is stopped, LSIRDY flag goes low after 6 LSI oscillator
  803. * clock cycles.
  804. */
  805. #define __HAL_RCC_LSI_ENABLE() (*(__IO uint32_t *) RCC_CSR_LSION_BB = ENABLE)
  806. #define __HAL_RCC_LSI_DISABLE() (*(__IO uint32_t *) RCC_CSR_LSION_BB = DISABLE)
  807. /**
  808. * @}
  809. */
  810. /** @defgroup RCC_HSE_Configuration HSE Configuration
  811. * @{
  812. */
  813. /**
  814. * @brief Macro to configure the External High Speed oscillator (HSE).
  815. * @note Transition HSE Bypass to HSE On and HSE On to HSE Bypass are not supported by this macro.
  816. * User should request a transition to HSE Off first and then HSE On or HSE Bypass.
  817. * @note After enabling the HSE (RCC_HSE_ON or RCC_HSE_Bypass), the application
  818. * software should wait on HSERDY flag to be set indicating that HSE clock
  819. * is stable and can be used to clock the PLL and/or system clock.
  820. * @note HSE state can not be changed if it is used directly or through the
  821. * PLL as system clock. In this case, you have to select another source
  822. * of the system clock then change the HSE state (ex. disable it).
  823. * @note The HSE is stopped by hardware when entering STOP and STANDBY modes.
  824. * @note This function reset the CSSON bit, so if the clock security system(CSS)
  825. * was previously enabled you have to enable it again after calling this
  826. * function.
  827. * @param __STATE__: specifies the new state of the HSE.
  828. * This parameter can be one of the following values:
  829. * @arg RCC_HSE_OFF: turn OFF the HSE oscillator, HSERDY flag goes low after
  830. * 6 HSE oscillator clock cycles.
  831. * @arg RCC_HSE_ON: turn ON the HSE oscillator.
  832. * @arg RCC_HSE_BYPASS: HSE oscillator bypassed with external clock.
  833. */
  834. #define __HAL_RCC_HSE_CONFIG(__STATE__) \
  835. do { \
  836. if ((__STATE__) == RCC_HSE_ON) \
  837. { \
  838. SET_BIT(RCC->CR, RCC_CR_HSEON); \
  839. } \
  840. else if ((__STATE__) == RCC_HSE_BYPASS) \
  841. { \
  842. SET_BIT(RCC->CR, RCC_CR_HSEBYP); \
  843. SET_BIT(RCC->CR, RCC_CR_HSEON); \
  844. } \
  845. else \
  846. { \
  847. CLEAR_BIT(RCC->CR, RCC_CR_HSEON); \
  848. CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP); \
  849. } \
  850. } while(0U)
  851. /**
  852. * @}
  853. */
  854. /** @defgroup RCC_LSE_Configuration LSE Configuration
  855. * @{
  856. */
  857. /**
  858. * @brief Macro to configure the External Low Speed oscillator (LSE).
  859. * @note Transition LSE Bypass to LSE On and LSE On to LSE Bypass are not supported by this macro.
  860. * User should request a transition to LSE Off first and then LSE On or LSE Bypass.
  861. * @note As the LSE is in the Backup domain and write access is denied to
  862. * this domain after reset, you have to enable write access using
  863. * HAL_PWR_EnableBkUpAccess() function before to configure the LSE
  864. * (to be done once after reset).
  865. * @note After enabling the LSE (RCC_LSE_ON or RCC_LSE_BYPASS), the application
  866. * software should wait on LSERDY flag to be set indicating that LSE clock
  867. * is stable and can be used to clock the RTC.
  868. * @param __STATE__: specifies the new state of the LSE.
  869. * This parameter can be one of the following values:
  870. * @arg RCC_LSE_OFF: turn OFF the LSE oscillator, LSERDY flag goes low after
  871. * 6 LSE oscillator clock cycles.
  872. * @arg RCC_LSE_ON: turn ON the LSE oscillator.
  873. * @arg RCC_LSE_BYPASS: LSE oscillator bypassed with external clock.
  874. */
  875. #define __HAL_RCC_LSE_CONFIG(__STATE__) \
  876. do { \
  877. if((__STATE__) == RCC_LSE_ON) \
  878. { \
  879. SET_BIT(RCC->BDCR, RCC_BDCR_LSEON); \
  880. } \
  881. else if((__STATE__) == RCC_LSE_BYPASS) \
  882. { \
  883. SET_BIT(RCC->BDCR, RCC_BDCR_LSEBYP); \
  884. SET_BIT(RCC->BDCR, RCC_BDCR_LSEON); \
  885. } \
  886. else \
  887. { \
  888. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON); \
  889. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP); \
  890. } \
  891. } while(0U)
  892. /**
  893. * @}
  894. */
  895. /** @defgroup RCC_Internal_RTC_Clock_Configuration RTC Clock Configuration
  896. * @{
  897. */
  898. /** @brief Macros to enable or disable the RTC clock.
  899. * @note These macros must be used only after the RTC clock source was selected.
  900. */
  901. #define __HAL_RCC_RTC_ENABLE() (*(__IO uint32_t *) RCC_BDCR_RTCEN_BB = ENABLE)
  902. #define __HAL_RCC_RTC_DISABLE() (*(__IO uint32_t *) RCC_BDCR_RTCEN_BB = DISABLE)
  903. /** @brief Macros to configure the RTC clock (RTCCLK).
  904. * @note As the RTC clock configuration bits are in the Backup domain and write
  905. * access is denied to this domain after reset, you have to enable write
  906. * access using the Power Backup Access macro before to configure
  907. * the RTC clock source (to be done once after reset).
  908. * @note Once the RTC clock is configured it can't be changed unless the
  909. * Backup domain is reset using __HAL_RCC_BackupReset_RELEASE() macro, or by
  910. * a Power On Reset (POR).
  911. * @param __RTCCLKSource__: specifies the RTC clock source.
  912. * This parameter can be one of the following values:
  913. * @arg RCC_RTCCLKSOURCE_LSE: LSE selected as RTC clock.
  914. * @arg RCC_RTCCLKSOURCE_LSI: LSI selected as RTC clock.
  915. * @arg RCC_RTCCLKSOURCE_HSE_DIVx: HSE clock divided by x selected
  916. * as RTC clock, where x:[2,31]
  917. * @note If the LSE or LSI is used as RTC clock source, the RTC continues to
  918. * work in STOP and STANDBY modes, and can be used as wake-up source.
  919. * However, when the HSE clock is used as RTC clock source, the RTC
  920. * cannot be used in STOP and STANDBY modes.
  921. * @note The maximum input clock frequency for RTC is 1MHz (when using HSE as
  922. * RTC clock source).
  923. */
  924. #define __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__) (((__RTCCLKSource__) & RCC_BDCR_RTCSEL) == RCC_BDCR_RTCSEL) ? \
  925. MODIFY_REG(RCC->CFGR, RCC_CFGR_RTCPRE, ((__RTCCLKSource__) & 0xFFFFCFFU)) : CLEAR_BIT(RCC->CFGR, RCC_CFGR_RTCPRE)
  926. #define __HAL_RCC_RTC_CONFIG(__RTCCLKSource__) do { __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__); \
  927. RCC->BDCR |= ((__RTCCLKSource__) & 0x00000FFFU); \
  928. } while(0U)
  929. /** @brief Macros to force or release the Backup domain reset.
  930. * @note This function resets the RTC peripheral (including the backup registers)
  931. * and the RTC clock source selection in RCC_CSR register.
  932. * @note The BKPSRAM is not affected by this reset.
  933. */
  934. #define __HAL_RCC_BACKUPRESET_FORCE() (*(__IO uint32_t *) RCC_BDCR_BDRST_BB = ENABLE)
  935. #define __HAL_RCC_BACKUPRESET_RELEASE() (*(__IO uint32_t *) RCC_BDCR_BDRST_BB = DISABLE)
  936. /**
  937. * @}
  938. */
  939. /** @defgroup RCC_PLL_Configuration PLL Configuration
  940. * @{
  941. */
  942. /** @brief Macros to enable or disable the main PLL.
  943. * @note After enabling the main PLL, the application software should wait on
  944. * PLLRDY flag to be set indicating that PLL clock is stable and can
  945. * be used as system clock source.
  946. * @note The main PLL can not be disabled if it is used as system clock source
  947. * @note The main PLL is disabled by hardware when entering STOP and STANDBY modes.
  948. */
  949. #define __HAL_RCC_PLL_ENABLE() (*(__IO uint32_t *) RCC_CR_PLLON_BB = ENABLE)
  950. #define __HAL_RCC_PLL_DISABLE() (*(__IO uint32_t *) RCC_CR_PLLON_BB = DISABLE)
  951. /** @brief Macro to configure the PLL clock source.
  952. * @note This function must be used only when the main PLL is disabled.
  953. * @param __PLLSOURCE__: specifies the PLL entry clock source.
  954. * This parameter can be one of the following values:
  955. * @arg RCC_PLLSOURCE_HSI: HSI oscillator clock selected as PLL clock entry
  956. * @arg RCC_PLLSOURCE_HSE: HSE oscillator clock selected as PLL clock entry
  957. *
  958. */
  959. #define __HAL_RCC_PLL_PLLSOURCE_CONFIG(__PLLSOURCE__) MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC, (__PLLSOURCE__))
  960. /** @brief Macro to configure the PLL multiplication factor.
  961. * @note This function must be used only when the main PLL is disabled.
  962. * @param __PLLM__: specifies the division factor for PLL VCO input clock
  963. * This parameter must be a number between Min_Data = 2 and Max_Data = 63.
  964. * @note You have to set the PLLM parameter correctly to ensure that the VCO input
  965. * frequency ranges from 1 to 2 MHz. It is recommended to select a frequency
  966. * of 2 MHz to limit PLL jitter.
  967. *
  968. */
  969. #define __HAL_RCC_PLL_PLLM_CONFIG(__PLLM__) MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLM, (__PLLM__))
  970. /**
  971. * @}
  972. */
  973. /** @defgroup RCC_Get_Clock_source Get Clock source
  974. * @{
  975. */
  976. /**
  977. * @brief Macro to configure the system clock source.
  978. * @param __RCC_SYSCLKSOURCE__: specifies the system clock source.
  979. * This parameter can be one of the following values:
  980. * - RCC_SYSCLKSOURCE_HSI: HSI oscillator is used as system clock source.
  981. * - RCC_SYSCLKSOURCE_HSE: HSE oscillator is used as system clock source.
  982. * - RCC_SYSCLKSOURCE_PLLCLK: PLL output is used as system clock source.
  983. * - RCC_SYSCLKSOURCE_PLLRCLK: PLLR output is used as system clock source. This
  984. * parameter is available only for STM32F446xx devices.
  985. */
  986. #define __HAL_RCC_SYSCLK_CONFIG(__RCC_SYSCLKSOURCE__) MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, (__RCC_SYSCLKSOURCE__))
  987. /** @brief Macro to get the clock source used as system clock.
  988. * @retval The clock source used as system clock. The returned value can be one
  989. * of the following:
  990. * - RCC_SYSCLKSOURCE_STATUS_HSI: HSI used as system clock.
  991. * - RCC_SYSCLKSOURCE_STATUS_HSE: HSE used as system clock.
  992. * - RCC_SYSCLKSOURCE_STATUS_PLLCLK: PLL used as system clock.
  993. * - RCC_SYSCLKSOURCE_STATUS_PLLRCLK: PLLR used as system clock. This parameter
  994. * is available only for STM32F446xx devices.
  995. */
  996. #define __HAL_RCC_GET_SYSCLK_SOURCE() ((uint32_t)(RCC->CFGR & RCC_CFGR_SWS))
  997. /** @brief Macro to get the oscillator used as PLL clock source.
  998. * @retval The oscillator used as PLL clock source. The returned value can be one
  999. * of the following:
  1000. * - RCC_PLLSOURCE_HSI: HSI oscillator is used as PLL clock source.
  1001. * - RCC_PLLSOURCE_HSE: HSE oscillator is used as PLL clock source.
  1002. */
  1003. #define __HAL_RCC_GET_PLL_OSCSOURCE() ((uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC))
  1004. /**
  1005. * @}
  1006. */
  1007. /** @defgroup RCCEx_MCOx_Clock_Config RCC Extended MCOx Clock Config
  1008. * @{
  1009. */
  1010. /** @brief Macro to configure the MCO1 clock.
  1011. * @param __MCOCLKSOURCE__ specifies the MCO clock source.
  1012. * This parameter can be one of the following values:
  1013. * @arg RCC_MCO1SOURCE_HSI: HSI clock selected as MCO1 source
  1014. * @arg RCC_MCO1SOURCE_LSE: LSE clock selected as MCO1 source
  1015. * @arg RCC_MCO1SOURCE_HSE: HSE clock selected as MCO1 source
  1016. * @arg RCC_MCO1SOURCE_PLLCLK: main PLL clock selected as MCO1 source
  1017. * @param __MCODIV__ specifies the MCO clock prescaler.
  1018. * This parameter can be one of the following values:
  1019. * @arg RCC_MCODIV_1: no division applied to MCOx clock
  1020. * @arg RCC_MCODIV_2: division by 2 applied to MCOx clock
  1021. * @arg RCC_MCODIV_3: division by 3 applied to MCOx clock
  1022. * @arg RCC_MCODIV_4: division by 4 applied to MCOx clock
  1023. * @arg RCC_MCODIV_5: division by 5 applied to MCOx clock
  1024. */
  1025. #define __HAL_RCC_MCO1_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \
  1026. MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO1 | RCC_CFGR_MCO1PRE), ((__MCOCLKSOURCE__) | (__MCODIV__)))
  1027. /** @brief Macro to configure the MCO2 clock.
  1028. * @param __MCOCLKSOURCE__ specifies the MCO clock source.
  1029. * This parameter can be one of the following values:
  1030. * @arg RCC_MCO2SOURCE_SYSCLK: System clock (SYSCLK) selected as MCO2 source
  1031. * @arg RCC_MCO2SOURCE_PLLI2SCLK: PLLI2S clock selected as MCO2 source, available for all STM32F4 devices except STM32F410xx
  1032. * @arg RCC_MCO2SOURCE_I2SCLK: I2SCLK clock selected as MCO2 source, available only for STM32F410Rx devices
  1033. * @arg RCC_MCO2SOURCE_HSE: HSE clock selected as MCO2 source
  1034. * @arg RCC_MCO2SOURCE_PLLCLK: main PLL clock selected as MCO2 source
  1035. * @param __MCODIV__ specifies the MCO clock prescaler.
  1036. * This parameter can be one of the following values:
  1037. * @arg RCC_MCODIV_1: no division applied to MCOx clock
  1038. * @arg RCC_MCODIV_2: division by 2 applied to MCOx clock
  1039. * @arg RCC_MCODIV_3: division by 3 applied to MCOx clock
  1040. * @arg RCC_MCODIV_4: division by 4 applied to MCOx clock
  1041. * @arg RCC_MCODIV_5: division by 5 applied to MCOx clock
  1042. * @note For STM32F410Rx devices, to output I2SCLK clock on MCO2, you should have
  1043. * at least one of the SPI clocks enabled (SPI1, SPI2 or SPI5).
  1044. */
  1045. #define __HAL_RCC_MCO2_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \
  1046. MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO2 | RCC_CFGR_MCO2PRE), ((__MCOCLKSOURCE__) | ((__MCODIV__) << 3U)));
  1047. /**
  1048. * @}
  1049. */
  1050. /** @defgroup RCC_Flags_Interrupts_Management Flags Interrupts Management
  1051. * @brief macros to manage the specified RCC Flags and interrupts.
  1052. * @{
  1053. */
  1054. /** @brief Enable RCC interrupt (Perform Byte access to RCC_CIR[14:8] bits to enable
  1055. * the selected interrupts).
  1056. * @param __INTERRUPT__: specifies the RCC interrupt sources to be enabled.
  1057. * This parameter can be any combination of the following values:
  1058. * @arg RCC_IT_LSIRDY: LSI ready interrupt.
  1059. * @arg RCC_IT_LSERDY: LSE ready interrupt.
  1060. * @arg RCC_IT_HSIRDY: HSI ready interrupt.
  1061. * @arg RCC_IT_HSERDY: HSE ready interrupt.
  1062. * @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
  1063. * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
  1064. */
  1065. #define __HAL_RCC_ENABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS |= (__INTERRUPT__))
  1066. /** @brief Disable RCC interrupt (Perform Byte access to RCC_CIR[14:8] bits to disable
  1067. * the selected interrupts).
  1068. * @param __INTERRUPT__: specifies the RCC interrupt sources to be disabled.
  1069. * This parameter can be any combination of the following values:
  1070. * @arg RCC_IT_LSIRDY: LSI ready interrupt.
  1071. * @arg RCC_IT_LSERDY: LSE ready interrupt.
  1072. * @arg RCC_IT_HSIRDY: HSI ready interrupt.
  1073. * @arg RCC_IT_HSERDY: HSE ready interrupt.
  1074. * @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
  1075. * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
  1076. */
  1077. #define __HAL_RCC_DISABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS &= (uint8_t)(~(__INTERRUPT__)))
  1078. /** @brief Clear the RCC's interrupt pending bits (Perform Byte access to RCC_CIR[23:16]
  1079. * bits to clear the selected interrupt pending bits.
  1080. * @param __INTERRUPT__: specifies the interrupt pending bit to clear.
  1081. * This parameter can be any combination of the following values:
  1082. * @arg RCC_IT_LSIRDY: LSI ready interrupt.
  1083. * @arg RCC_IT_LSERDY: LSE ready interrupt.
  1084. * @arg RCC_IT_HSIRDY: HSI ready interrupt.
  1085. * @arg RCC_IT_HSERDY: HSE ready interrupt.
  1086. * @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
  1087. * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
  1088. * @arg RCC_IT_CSS: Clock Security System interrupt
  1089. */
  1090. #define __HAL_RCC_CLEAR_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE2_ADDRESS = (__INTERRUPT__))
  1091. /** @brief Check the RCC's interrupt has occurred or not.
  1092. * @param __INTERRUPT__: specifies the RCC interrupt source to check.
  1093. * This parameter can be one of the following values:
  1094. * @arg RCC_IT_LSIRDY: LSI ready interrupt.
  1095. * @arg RCC_IT_LSERDY: LSE ready interrupt.
  1096. * @arg RCC_IT_HSIRDY: HSI ready interrupt.
  1097. * @arg RCC_IT_HSERDY: HSE ready interrupt.
  1098. * @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
  1099. * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
  1100. * @arg RCC_IT_CSS: Clock Security System interrupt
  1101. * @retval The new state of __INTERRUPT__ (TRUE or FALSE).
  1102. */
  1103. #define __HAL_RCC_GET_IT(__INTERRUPT__) ((RCC->CIR & (__INTERRUPT__)) == (__INTERRUPT__))
  1104. /** @brief Set RMVF bit to clear the reset flags: RCC_FLAG_PINRST, RCC_FLAG_PORRST,
  1105. * RCC_FLAG_SFTRST, RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST and RCC_FLAG_LPWRRST.
  1106. */
  1107. #define __HAL_RCC_CLEAR_RESET_FLAGS() (RCC->CSR |= RCC_CSR_RMVF)
  1108. /** @brief Check RCC flag is set or not.
  1109. * @param __FLAG__: specifies the flag to check.
  1110. * This parameter can be one of the following values:
  1111. * @arg RCC_FLAG_HSIRDY: HSI oscillator clock ready.
  1112. * @arg RCC_FLAG_HSERDY: HSE oscillator clock ready.
  1113. * @arg RCC_FLAG_PLLRDY: Main PLL clock ready.
  1114. * @arg RCC_FLAG_PLLI2SRDY: PLLI2S clock ready.
  1115. * @arg RCC_FLAG_LSERDY: LSE oscillator clock ready.
  1116. * @arg RCC_FLAG_LSIRDY: LSI oscillator clock ready.
  1117. * @arg RCC_FLAG_BORRST: POR/PDR or BOR reset.
  1118. * @arg RCC_FLAG_PINRST: Pin reset.
  1119. * @arg RCC_FLAG_PORRST: POR/PDR reset.
  1120. * @arg RCC_FLAG_SFTRST: Software reset.
  1121. * @arg RCC_FLAG_IWDGRST: Independent Watchdog reset.
  1122. * @arg RCC_FLAG_WWDGRST: Window Watchdog reset.
  1123. * @arg RCC_FLAG_LPWRRST: Low Power reset.
  1124. * @retval The new state of __FLAG__ (TRUE or FALSE).
  1125. */
  1126. #define RCC_FLAG_MASK ((uint8_t)0x1FU)
  1127. #define __HAL_RCC_GET_FLAG(__FLAG__) (((((((__FLAG__) >> 5U) == 1U)? RCC->CR :((((__FLAG__) >> 5U) == 2U) ? RCC->BDCR :((((__FLAG__) >> 5U) == 3U)? RCC->CSR :RCC->CIR))) & (1U << ((__FLAG__) & RCC_FLAG_MASK)))!= 0U)? 1U : 0U)
  1128. /**
  1129. * @}
  1130. */
  1131. /**
  1132. * @}
  1133. */
  1134. /* Exported functions --------------------------------------------------------*/
  1135. /** @addtogroup RCC_Exported_Functions
  1136. * @{
  1137. */
  1138. /** @addtogroup RCC_Exported_Functions_Group1
  1139. * @{
  1140. */
  1141. /* Initialization and de-initialization functions ******************************/
  1142. void HAL_RCC_DeInit(void);
  1143. HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct);
  1144. HAL_StatusTypeDef HAL_RCC_ClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t FLatency);
  1145. /**
  1146. * @}
  1147. */
  1148. /** @addtogroup RCC_Exported_Functions_Group2
  1149. * @{
  1150. */
  1151. /* Peripheral Control functions ************************************************/
  1152. void HAL_RCC_MCOConfig(uint32_t RCC_MCOx, uint32_t RCC_MCOSource, uint32_t RCC_MCODiv);
  1153. void HAL_RCC_EnableCSS(void);
  1154. void HAL_RCC_DisableCSS(void);
  1155. uint32_t HAL_RCC_GetSysClockFreq(void);
  1156. uint32_t HAL_RCC_GetHCLKFreq(void);
  1157. uint32_t HAL_RCC_GetPCLK1Freq(void);
  1158. uint32_t HAL_RCC_GetPCLK2Freq(void);
  1159. void HAL_RCC_GetOscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct);
  1160. void HAL_RCC_GetClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t *pFLatency);
  1161. /* CSS NMI IRQ handler */
  1162. void HAL_RCC_NMI_IRQHandler(void);
  1163. /* User Callbacks in non blocking mode (IT mode) */
  1164. void HAL_RCC_CSSCallback(void);
  1165. /**
  1166. * @}
  1167. */
  1168. /**
  1169. * @}
  1170. */
  1171. /* Private types -------------------------------------------------------------*/
  1172. /* Private variables ---------------------------------------------------------*/
  1173. /* Private constants ---------------------------------------------------------*/
  1174. /** @defgroup RCC_Private_Constants RCC Private Constants
  1175. * @{
  1176. */
  1177. /** @defgroup RCC_BitAddress_AliasRegion RCC BitAddress AliasRegion
  1178. * @brief RCC registers bit address in the alias region
  1179. * @{
  1180. */
  1181. #define RCC_OFFSET (RCC_BASE - PERIPH_BASE)
  1182. /* --- CR Register ---*/
  1183. /* Alias word address of HSION bit */
  1184. #define RCC_CR_OFFSET (RCC_OFFSET + 0x00U)
  1185. #define RCC_HSION_BIT_NUMBER 0x00U
  1186. #define RCC_CR_HSION_BB (PERIPH_BB_BASE + (RCC_CR_OFFSET * 32U) + (RCC_HSION_BIT_NUMBER * 4U))
  1187. /* Alias word address of CSSON bit */
  1188. #define RCC_CSSON_BIT_NUMBER 0x13U
  1189. #define RCC_CR_CSSON_BB (PERIPH_BB_BASE + (RCC_CR_OFFSET * 32U) + (RCC_CSSON_BIT_NUMBER * 4U))
  1190. /* Alias word address of PLLON bit */
  1191. #define RCC_PLLON_BIT_NUMBER 0x18U
  1192. #define RCC_CR_PLLON_BB (PERIPH_BB_BASE + (RCC_CR_OFFSET * 32U) + (RCC_PLLON_BIT_NUMBER * 4U))
  1193. /* --- BDCR Register ---*/
  1194. /* Alias word address of RTCEN bit */
  1195. #define RCC_BDCR_OFFSET (RCC_OFFSET + 0x70U)
  1196. #define RCC_RTCEN_BIT_NUMBER 0x0FU
  1197. #define RCC_BDCR_RTCEN_BB (PERIPH_BB_BASE + (RCC_BDCR_OFFSET * 32U) + (RCC_RTCEN_BIT_NUMBER * 4U))
  1198. /* Alias word address of BDRST bit */
  1199. #define RCC_BDRST_BIT_NUMBER 0x10U
  1200. #define RCC_BDCR_BDRST_BB (PERIPH_BB_BASE + (RCC_BDCR_OFFSET * 32U) + (RCC_BDRST_BIT_NUMBER * 4U))
  1201. /* --- CSR Register ---*/
  1202. /* Alias word address of LSION bit */
  1203. #define RCC_CSR_OFFSET (RCC_OFFSET + 0x74U)
  1204. #define RCC_LSION_BIT_NUMBER 0x00U
  1205. #define RCC_CSR_LSION_BB (PERIPH_BB_BASE + (RCC_CSR_OFFSET * 32U) + (RCC_LSION_BIT_NUMBER * 4U))
  1206. /* CR register byte 3 (Bits[23:16]) base address */
  1207. #define RCC_CR_BYTE2_ADDRESS 0x40023802U
  1208. /* CIR register byte 2 (Bits[15:8]) base address */
  1209. #define RCC_CIR_BYTE1_ADDRESS ((uint32_t)(RCC_BASE + 0x0CU + 0x01U))
  1210. /* CIR register byte 3 (Bits[23:16]) base address */
  1211. #define RCC_CIR_BYTE2_ADDRESS ((uint32_t)(RCC_BASE + 0x0CU + 0x02U))
  1212. /* BDCR register base address */
  1213. #define RCC_BDCR_BYTE0_ADDRESS (PERIPH_BASE + RCC_BDCR_OFFSET)
  1214. #define RCC_DBP_TIMEOUT_VALUE 2U
  1215. #define RCC_LSE_TIMEOUT_VALUE LSE_STARTUP_TIMEOUT
  1216. #define HSE_TIMEOUT_VALUE HSE_STARTUP_TIMEOUT * 1E6
  1217. #define HSI_TIMEOUT_VALUE 2U /* 2 ms */
  1218. #define LSI_TIMEOUT_VALUE 2U /* 2 ms */
  1219. /**
  1220. * @}
  1221. */
  1222. /**
  1223. * @}
  1224. */
  1225. /* Private macros ------------------------------------------------------------*/
  1226. /** @defgroup RCC_Private_Macros RCC Private Macros
  1227. * @{
  1228. */
  1229. /** @defgroup RCC_IS_RCC_Definitions RCC Private macros to check input parameters
  1230. * @{
  1231. */
  1232. #define IS_RCC_OSCILLATORTYPE(OSCILLATOR) ((OSCILLATOR) <= 15U)
  1233. #define IS_RCC_HSE(HSE) (((HSE) == RCC_HSE_OFF) || ((HSE) == RCC_HSE_ON) || \
  1234. ((HSE) == RCC_HSE_BYPASS))
  1235. #define IS_RCC_LSE(LSE) (((LSE) == RCC_LSE_OFF) || ((LSE) == RCC_LSE_ON) || \
  1236. ((LSE) == RCC_LSE_BYPASS))
  1237. #define IS_RCC_HSI(HSI) (((HSI) == RCC_HSI_OFF) || ((HSI) == RCC_HSI_ON))
  1238. #define IS_RCC_LSI(LSI) (((LSI) == RCC_LSI_OFF) || ((LSI) == RCC_LSI_ON))
  1239. #define IS_RCC_PLL(PLL) (((PLL) == RCC_PLL_NONE) ||((PLL) == RCC_PLL_OFF) || ((PLL) == RCC_PLL_ON))
  1240. #define IS_RCC_PLLSOURCE(SOURCE) (((SOURCE) == RCC_PLLSOURCE_HSI) || \
  1241. ((SOURCE) == RCC_PLLSOURCE_HSE))
  1242. #define IS_RCC_SYSCLKSOURCE(SOURCE) (((SOURCE) == RCC_SYSCLKSOURCE_HSI) || \
  1243. ((SOURCE) == RCC_SYSCLKSOURCE_HSE) || \
  1244. ((SOURCE) == RCC_SYSCLKSOURCE_PLLCLK) || \
  1245. ((SOURCE) == RCC_SYSCLKSOURCE_PLLRCLK))
  1246. #define IS_RCC_RTCCLKSOURCE(__SOURCE__) (((__SOURCE__) == RCC_RTCCLKSOURCE_LSE) || \
  1247. ((__SOURCE__) == RCC_RTCCLKSOURCE_LSI) || \
  1248. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV2) || \
  1249. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV3) || \
  1250. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV4) || \
  1251. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV5) || \
  1252. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV6) || \
  1253. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV7) || \
  1254. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV8) || \
  1255. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV9) || \
  1256. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV10) || \
  1257. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV11) || \
  1258. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV12) || \
  1259. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV13) || \
  1260. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV14) || \
  1261. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV15) || \
  1262. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV16) || \
  1263. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV17) || \
  1264. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV18) || \
  1265. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV19) || \
  1266. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV20) || \
  1267. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV21) || \
  1268. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV22) || \
  1269. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV23) || \
  1270. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV24) || \
  1271. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV25) || \
  1272. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV26) || \
  1273. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV27) || \
  1274. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV28) || \
  1275. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV29) || \
  1276. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV30) || \
  1277. ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV31))
  1278. #define IS_RCC_PLLM_VALUE(VALUE) ((VALUE) <= 63U)
  1279. #define IS_RCC_PLLP_VALUE(VALUE) (((VALUE) == 2U) || ((VALUE) == 4U) || ((VALUE) == 6U) || ((VALUE) == 8U))
  1280. #define IS_RCC_PLLQ_VALUE(VALUE) ((2U <= (VALUE)) && ((VALUE) <= 15U))
  1281. #define IS_RCC_HCLK(HCLK) (((HCLK) == RCC_SYSCLK_DIV1) || ((HCLK) == RCC_SYSCLK_DIV2) || \
  1282. ((HCLK) == RCC_SYSCLK_DIV4) || ((HCLK) == RCC_SYSCLK_DIV8) || \
  1283. ((HCLK) == RCC_SYSCLK_DIV16) || ((HCLK) == RCC_SYSCLK_DIV64) || \
  1284. ((HCLK) == RCC_SYSCLK_DIV128) || ((HCLK) == RCC_SYSCLK_DIV256) || \
  1285. ((HCLK) == RCC_SYSCLK_DIV512))
  1286. #define IS_RCC_CLOCKTYPE(CLK) ((1U <= (CLK)) && ((CLK) <= 15U))
  1287. #define IS_RCC_PCLK(PCLK) (((PCLK) == RCC_HCLK_DIV1) || ((PCLK) == RCC_HCLK_DIV2) || \
  1288. ((PCLK) == RCC_HCLK_DIV4) || ((PCLK) == RCC_HCLK_DIV8) || \
  1289. ((PCLK) == RCC_HCLK_DIV16))
  1290. #define IS_RCC_MCO(MCOx) (((MCOx) == RCC_MCO1) || ((MCOx) == RCC_MCO2))
  1291. #define IS_RCC_MCO1SOURCE(SOURCE) (((SOURCE) == RCC_MCO1SOURCE_HSI) || ((SOURCE) == RCC_MCO1SOURCE_LSE) || \
  1292. ((SOURCE) == RCC_MCO1SOURCE_HSE) || ((SOURCE) == RCC_MCO1SOURCE_PLLCLK))
  1293. #define IS_RCC_MCODIV(DIV) (((DIV) == RCC_MCODIV_1) || ((DIV) == RCC_MCODIV_2) || \
  1294. ((DIV) == RCC_MCODIV_3) || ((DIV) == RCC_MCODIV_4) || \
  1295. ((DIV) == RCC_MCODIV_5))
  1296. #define IS_RCC_CALIBRATION_VALUE(VALUE) ((VALUE) <= 0x1FU)
  1297. /**
  1298. * @}
  1299. */
  1300. /**
  1301. * @}
  1302. */
  1303. /**
  1304. * @}
  1305. */
  1306. /**
  1307. * @}
  1308. */
  1309. #ifdef __cplusplus
  1310. }
  1311. #endif
  1312. #endif /* __STM32F4xx_HAL_RCC_H */
  1313. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/