stm32f4xx_ll_utils.h 11 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32f4xx_ll_utils.h
  4. * @author MCD Application Team
  5. * @brief Header file of UTILS LL module.
  6. @verbatim
  7. ==============================================================================
  8. ##### How to use this driver #####
  9. ==============================================================================
  10. [..]
  11. The LL UTILS driver contains a set of generic APIs that can be
  12. used by user:
  13. (+) Device electronic signature
  14. (+) Timing functions
  15. (+) PLL configuration functions
  16. @endverbatim
  17. ******************************************************************************
  18. * @attention
  19. *
  20. * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
  21. * All rights reserved.</center></h2>
  22. *
  23. * This software component is licensed by ST under BSD 3-Clause license,
  24. * the "License"; You may not use this file except in compliance with the
  25. * License. You may obtain a copy of the License at:
  26. * opensource.org/licenses/BSD-3-Clause
  27. *
  28. ******************************************************************************
  29. */
  30. /* Define to prevent recursive inclusion -------------------------------------*/
  31. #ifndef __STM32F4xx_LL_UTILS_H
  32. #define __STM32F4xx_LL_UTILS_H
  33. #ifdef __cplusplus
  34. extern "C" {
  35. #endif
  36. /* Includes ------------------------------------------------------------------*/
  37. #include "stm32f4xx.h"
  38. /** @addtogroup STM32F4xx_LL_Driver
  39. * @{
  40. */
  41. /** @defgroup UTILS_LL UTILS
  42. * @{
  43. */
  44. /* Private types -------------------------------------------------------------*/
  45. /* Private variables ---------------------------------------------------------*/
  46. /* Private constants ---------------------------------------------------------*/
  47. /** @defgroup UTILS_LL_Private_Constants UTILS Private Constants
  48. * @{
  49. */
  50. /* Max delay can be used in LL_mDelay */
  51. #define LL_MAX_DELAY 0xFFFFFFFFU
  52. /**
  53. * @brief Unique device ID register base address
  54. */
  55. #define UID_BASE_ADDRESS UID_BASE
  56. /**
  57. * @brief Flash size data register base address
  58. */
  59. #define FLASHSIZE_BASE_ADDRESS FLASHSIZE_BASE
  60. /**
  61. * @brief Package data register base address
  62. */
  63. #define PACKAGE_BASE_ADDRESS PACKAGE_BASE
  64. /**
  65. * @}
  66. */
  67. /* Private macros ------------------------------------------------------------*/
  68. /** @defgroup UTILS_LL_Private_Macros UTILS Private Macros
  69. * @{
  70. */
  71. /**
  72. * @}
  73. */
  74. /* Exported types ------------------------------------------------------------*/
  75. /** @defgroup UTILS_LL_ES_INIT UTILS Exported structures
  76. * @{
  77. */
  78. /**
  79. * @brief UTILS PLL structure definition
  80. */
  81. typedef struct
  82. {
  83. uint32_t PLLM; /*!< Division factor for PLL VCO input clock.
  84. This parameter can be a value of @ref RCC_LL_EC_PLLM_DIV
  85. This feature can be modified afterwards using unitary function
  86. @ref LL_RCC_PLL_ConfigDomain_SYS(). */
  87. uint32_t PLLN; /*!< Multiplication factor for PLL VCO output clock.
  88. This parameter must be a number between Min_Data = @ref RCC_PLLN_MIN_VALUE
  89. and Max_Data = @ref RCC_PLLN_MIN_VALUE
  90. This feature can be modified afterwards using unitary function
  91. @ref LL_RCC_PLL_ConfigDomain_SYS(). */
  92. uint32_t PLLP; /*!< Division for the main system clock.
  93. This parameter can be a value of @ref RCC_LL_EC_PLLP_DIV
  94. This feature can be modified afterwards using unitary function
  95. @ref LL_RCC_PLL_ConfigDomain_SYS(). */
  96. } LL_UTILS_PLLInitTypeDef;
  97. /**
  98. * @brief UTILS System, AHB and APB buses clock configuration structure definition
  99. */
  100. typedef struct
  101. {
  102. uint32_t AHBCLKDivider; /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
  103. This parameter can be a value of @ref RCC_LL_EC_SYSCLK_DIV
  104. This feature can be modified afterwards using unitary function
  105. @ref LL_RCC_SetAHBPrescaler(). */
  106. uint32_t APB1CLKDivider; /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
  107. This parameter can be a value of @ref RCC_LL_EC_APB1_DIV
  108. This feature can be modified afterwards using unitary function
  109. @ref LL_RCC_SetAPB1Prescaler(). */
  110. uint32_t APB2CLKDivider; /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
  111. This parameter can be a value of @ref RCC_LL_EC_APB2_DIV
  112. This feature can be modified afterwards using unitary function
  113. @ref LL_RCC_SetAPB2Prescaler(). */
  114. } LL_UTILS_ClkInitTypeDef;
  115. /**
  116. * @}
  117. */
  118. /* Exported constants --------------------------------------------------------*/
  119. /** @defgroup UTILS_LL_Exported_Constants UTILS Exported Constants
  120. * @{
  121. */
  122. /** @defgroup UTILS_EC_HSE_BYPASS HSE Bypass activation
  123. * @{
  124. */
  125. #define LL_UTILS_HSEBYPASS_OFF 0x00000000U /*!< HSE Bypass is not enabled */
  126. #define LL_UTILS_HSEBYPASS_ON 0x00000001U /*!< HSE Bypass is enabled */
  127. /**
  128. * @}
  129. */
  130. /** @defgroup UTILS_EC_PACKAGETYPE PACKAGE TYPE
  131. * @{
  132. */
  133. #define LL_UTILS_PACKAGETYPE_WLCSP36_UFQFPN48_LQFP64 0x00000000U /*!< WLCSP36 or UFQFPN48 or LQFP64 package type */
  134. #define LL_UTILS_PACKAGETYPE_WLCSP168_FBGA169_LQFP100_LQFP64_UFQFPN48 0x00000100U /*!< WLCSP168 or FBGA169 or LQFP100 or LQFP64 or UFQFPN48 package type */
  135. #define LL_UTILS_PACKAGETYPE_WLCSP64_WLCSP81_LQFP176_UFBGA176 0x00000200U /*!< WLCSP64 or WLCSP81 or LQFP176 or UFBGA176 package type */
  136. #define LL_UTILS_PACKAGETYPE_LQFP144_UFBGA144_UFBGA144_UFBGA100 0x00000300U /*!< LQFP144 or UFBGA144 or UFBGA144 or UFBGA100 package type */
  137. #define LL_UTILS_PACKAGETYPE_LQFP100_LQFP208_TFBGA216 0x00000400U /*!< LQFP100 or LQFP208 or TFBGA216 package type */
  138. #define LL_UTILS_PACKAGETYPE_LQFP208_TFBGA216 0x00000500U /*!< LQFP208 or TFBGA216 package type */
  139. #define LL_UTILS_PACKAGETYPE_TQFP64_UFBGA144_LQFP144 0x00000700U /*!< TQFP64 or UFBGA144 or LQFP144 package type */
  140. /**
  141. * @}
  142. */
  143. /**
  144. * @}
  145. */
  146. /* Exported macro ------------------------------------------------------------*/
  147. /* Exported functions --------------------------------------------------------*/
  148. /** @defgroup UTILS_LL_Exported_Functions UTILS Exported Functions
  149. * @{
  150. */
  151. /** @defgroup UTILS_EF_DEVICE_ELECTRONIC_SIGNATURE DEVICE ELECTRONIC SIGNATURE
  152. * @{
  153. */
  154. /**
  155. * @brief Get Word0 of the unique device identifier (UID based on 96 bits)
  156. * @retval UID[31:0]
  157. */
  158. __STATIC_INLINE uint32_t LL_GetUID_Word0(void)
  159. {
  160. return (uint32_t)(READ_REG(*((uint32_t *)UID_BASE_ADDRESS)));
  161. }
  162. /**
  163. * @brief Get Word1 of the unique device identifier (UID based on 96 bits)
  164. * @retval UID[63:32]
  165. */
  166. __STATIC_INLINE uint32_t LL_GetUID_Word1(void)
  167. {
  168. return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 4U))));
  169. }
  170. /**
  171. * @brief Get Word2 of the unique device identifier (UID based on 96 bits)
  172. * @retval UID[95:64]
  173. */
  174. __STATIC_INLINE uint32_t LL_GetUID_Word2(void)
  175. {
  176. return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 8U))));
  177. }
  178. /**
  179. * @brief Get Flash memory size
  180. * @note This bitfield indicates the size of the device Flash memory expressed in
  181. * Kbytes. As an example, 0x040 corresponds to 64 Kbytes.
  182. * @retval FLASH_SIZE[15:0]: Flash memory size
  183. */
  184. __STATIC_INLINE uint32_t LL_GetFlashSize(void)
  185. {
  186. return (uint32_t)(READ_REG(*((uint32_t *)FLASHSIZE_BASE_ADDRESS)) & 0xFFFF);
  187. }
  188. /**
  189. * @brief Get Package type
  190. * @retval Returned value can be one of the following values:
  191. * @arg @ref LL_UTILS_PACKAGETYPE_WLCSP36_UFQFPN48_LQFP64 (*)
  192. * @arg @ref LL_UTILS_PACKAGETYPE_WLCSP168_FBGA169_LQFP100_LQFP64_UFQFPN48 (*)
  193. * @arg @ref LL_UTILS_PACKAGETYPE_WLCSP64_WLCSP81_LQFP176_UFBGA176 (*)
  194. * @arg @ref LL_UTILS_PACKAGETYPE_LQFP144_UFBGA144_UFBGA144_UFBGA100 (*)
  195. * @arg @ref LL_UTILS_PACKAGETYPE_LQFP100_LQFP208_TFBGA216 (*)
  196. * @arg @ref LL_UTILS_PACKAGETYPE_LQFP208_TFBGA216 (*)
  197. * @arg @ref LL_UTILS_PACKAGETYPE_TQFP64_UFBGA144_LQFP144 (*)
  198. *
  199. * (*) value not defined in all devices.
  200. */
  201. __STATIC_INLINE uint32_t LL_GetPackageType(void)
  202. {
  203. return (uint32_t)(READ_REG(*((uint32_t *)PACKAGE_BASE_ADDRESS)) & 0x0700U);
  204. }
  205. /**
  206. * @}
  207. */
  208. /** @defgroup UTILS_LL_EF_DELAY DELAY
  209. * @{
  210. */
  211. /**
  212. * @brief This function configures the Cortex-M SysTick source of the time base.
  213. * @param HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro)
  214. * @note When a RTOS is used, it is recommended to avoid changing the SysTick
  215. * configuration by calling this function, for a delay use rather osDelay RTOS service.
  216. * @param Ticks Number of ticks
  217. * @retval None
  218. */
  219. __STATIC_INLINE void LL_InitTick(uint32_t HCLKFrequency, uint32_t Ticks)
  220. {
  221. /* Configure the SysTick to have interrupt in 1ms time base */
  222. SysTick->LOAD = (uint32_t)((HCLKFrequency / Ticks) - 1UL); /* set reload register */
  223. SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
  224. SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
  225. SysTick_CTRL_ENABLE_Msk; /* Enable the Systick Timer */
  226. }
  227. void LL_Init1msTick(uint32_t HCLKFrequency);
  228. void LL_mDelay(uint32_t Delay);
  229. /**
  230. * @}
  231. */
  232. /** @defgroup UTILS_EF_SYSTEM SYSTEM
  233. * @{
  234. */
  235. void LL_SetSystemCoreClock(uint32_t HCLKFrequency);
  236. ErrorStatus LL_PLL_ConfigSystemClock_HSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
  237. LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
  238. ErrorStatus LL_PLL_ConfigSystemClock_HSE(uint32_t HSEFrequency, uint32_t HSEBypass,
  239. LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
  240. /**
  241. * @}
  242. */
  243. /**
  244. * @}
  245. */
  246. /**
  247. * @}
  248. */
  249. /**
  250. * @}
  251. */
  252. #ifdef __cplusplus
  253. }
  254. #endif
  255. #endif /* __STM32F4xx_LL_UTILS_H */
  256. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/