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cmsis/BUILD/mbed/TARGET_NUCLEO_H743ZI/TOOLCHAIN_ARM_MICRO/stm32h7xx_ll_utils.h@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 189:f392fc9709a3 1 /**
AnnaBridge 189:f392fc9709a3 2 ******************************************************************************
AnnaBridge 189:f392fc9709a3 3 * @file stm32h7xx_ll_utils.h
AnnaBridge 189:f392fc9709a3 4 * @author MCD Application Team
AnnaBridge 189:f392fc9709a3 5 * @brief Header file of UTILS LL module.
AnnaBridge 189:f392fc9709a3 6 @verbatim
AnnaBridge 189:f392fc9709a3 7 ==============================================================================
AnnaBridge 189:f392fc9709a3 8 ##### How to use this driver #####
AnnaBridge 189:f392fc9709a3 9 ==============================================================================
AnnaBridge 189:f392fc9709a3 10 [..]
AnnaBridge 189:f392fc9709a3 11 The LL UTILS driver contains a set of generic APIs that can be
AnnaBridge 189:f392fc9709a3 12 used by user:
AnnaBridge 189:f392fc9709a3 13 (+) Device electronic signature
AnnaBridge 189:f392fc9709a3 14 (+) Timing functions
AnnaBridge 189:f392fc9709a3 15 (+) PLL configuration functions
AnnaBridge 189:f392fc9709a3 16
AnnaBridge 189:f392fc9709a3 17 @endverbatim
AnnaBridge 189:f392fc9709a3 18 ******************************************************************************
AnnaBridge 189:f392fc9709a3 19 * @attention
AnnaBridge 189:f392fc9709a3 20 *
AnnaBridge 189:f392fc9709a3 21 * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
AnnaBridge 189:f392fc9709a3 22 * All rights reserved.</center></h2>
AnnaBridge 189:f392fc9709a3 23 *
AnnaBridge 189:f392fc9709a3 24 * This software component is licensed by ST under BSD 3-Clause license,
AnnaBridge 189:f392fc9709a3 25 * the "License"; You may not use this file except in compliance with the
AnnaBridge 189:f392fc9709a3 26 * License. You may obtain a copy of the License at:
AnnaBridge 189:f392fc9709a3 27 * opensource.org/licenses/BSD-3-Clause
AnnaBridge 189:f392fc9709a3 28 *
AnnaBridge 189:f392fc9709a3 29 ******************************************************************************
AnnaBridge 189:f392fc9709a3 30 */
AnnaBridge 189:f392fc9709a3 31
AnnaBridge 189:f392fc9709a3 32 /* Define to prevent recursive inclusion -------------------------------------*/
AnnaBridge 189:f392fc9709a3 33 #ifndef STM32H7xx_LL_UTILS_H
AnnaBridge 189:f392fc9709a3 34 #define STM32H7xx_LL_UTILS_H
AnnaBridge 189:f392fc9709a3 35
AnnaBridge 189:f392fc9709a3 36 #ifdef __cplusplus
AnnaBridge 189:f392fc9709a3 37 extern "C" {
AnnaBridge 189:f392fc9709a3 38 #endif
AnnaBridge 189:f392fc9709a3 39
AnnaBridge 189:f392fc9709a3 40 /* Includes ------------------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 41 #include "stm32h7xx.h"
AnnaBridge 189:f392fc9709a3 42 #include "stm32h7xx_ll_system.h"
AnnaBridge 189:f392fc9709a3 43 #include "stm32h7xx_ll_bus.h"
AnnaBridge 189:f392fc9709a3 44
AnnaBridge 189:f392fc9709a3 45 /** @addtogroup STM32H7xx_LL_Driver
AnnaBridge 189:f392fc9709a3 46 * @{
AnnaBridge 189:f392fc9709a3 47 */
AnnaBridge 189:f392fc9709a3 48
AnnaBridge 189:f392fc9709a3 49 /** @defgroup UTILS_LL UTILS
AnnaBridge 189:f392fc9709a3 50 * @{
AnnaBridge 189:f392fc9709a3 51 */
AnnaBridge 189:f392fc9709a3 52
AnnaBridge 189:f392fc9709a3 53 /* Private types -------------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 54 /* Private variables ---------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 55
AnnaBridge 189:f392fc9709a3 56 /* Private constants ---------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 57 /** @defgroup UTILS_LL_Private_Constants UTILS Private Constants
AnnaBridge 189:f392fc9709a3 58 * @{
AnnaBridge 189:f392fc9709a3 59 */
AnnaBridge 189:f392fc9709a3 60
AnnaBridge 189:f392fc9709a3 61 /* Max delay can be used in LL_mDelay */
AnnaBridge 189:f392fc9709a3 62 #define LL_MAX_DELAY 0xFFFFFFFFU
AnnaBridge 189:f392fc9709a3 63
AnnaBridge 189:f392fc9709a3 64 /**
AnnaBridge 189:f392fc9709a3 65 * @brief Unique device ID register base address
AnnaBridge 189:f392fc9709a3 66 */
AnnaBridge 189:f392fc9709a3 67 #define UID_BASE_ADDRESS UID_BASE
AnnaBridge 189:f392fc9709a3 68
AnnaBridge 189:f392fc9709a3 69 /**
AnnaBridge 189:f392fc9709a3 70 * @brief Flash size data register base address
AnnaBridge 189:f392fc9709a3 71 */
AnnaBridge 189:f392fc9709a3 72 #define FLASHSIZE_BASE_ADDRESS FLASHSIZE_BASE
AnnaBridge 189:f392fc9709a3 73
AnnaBridge 189:f392fc9709a3 74 /**
AnnaBridge 189:f392fc9709a3 75 * @brief Package data register base address
AnnaBridge 189:f392fc9709a3 76 */
AnnaBridge 189:f392fc9709a3 77 #define PACKAGE_BASE_ADDRESS PACKAGE_BASE
AnnaBridge 189:f392fc9709a3 78
AnnaBridge 189:f392fc9709a3 79 /**
AnnaBridge 189:f392fc9709a3 80 * @}
AnnaBridge 189:f392fc9709a3 81 */
AnnaBridge 189:f392fc9709a3 82
AnnaBridge 189:f392fc9709a3 83 /* Private macros ------------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 84 /** @defgroup UTILS_LL_Private_Macros UTILS Private Macros
AnnaBridge 189:f392fc9709a3 85 * @{
AnnaBridge 189:f392fc9709a3 86 */
AnnaBridge 189:f392fc9709a3 87 /**
AnnaBridge 189:f392fc9709a3 88 * @}
AnnaBridge 189:f392fc9709a3 89 */
AnnaBridge 189:f392fc9709a3 90 /* Exported types ------------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 91 /** @defgroup UTILS_LL_ES_INIT UTILS Exported structures
AnnaBridge 189:f392fc9709a3 92 * @{
AnnaBridge 189:f392fc9709a3 93 */
AnnaBridge 189:f392fc9709a3 94 /**
AnnaBridge 189:f392fc9709a3 95 * @brief UTILS PLL structure definition
AnnaBridge 189:f392fc9709a3 96 */
AnnaBridge 189:f392fc9709a3 97 typedef struct
AnnaBridge 189:f392fc9709a3 98 {
AnnaBridge 189:f392fc9709a3 99 uint32_t PLLM; /*!< Division factor for PLL VCO input clock.
AnnaBridge 189:f392fc9709a3 100 This parameter must be a number between Min_Data = 0 and Max_Data = 63
AnnaBridge 189:f392fc9709a3 101
AnnaBridge 189:f392fc9709a3 102 This feature can be modified afterwards using unitary function
AnnaBridge 189:f392fc9709a3 103 @ref LL_RCC_PLL1_SetM(). */
AnnaBridge 189:f392fc9709a3 104
AnnaBridge 189:f392fc9709a3 105 uint32_t PLLN; /*!< Multiplication factor for PLL VCO output clock.
AnnaBridge 189:f392fc9709a3 106 This parameter must be a number between Min_Data = 4 and Max_Data = 512
AnnaBridge 189:f392fc9709a3 107
AnnaBridge 189:f392fc9709a3 108 This feature can be modified afterwards using unitary function
AnnaBridge 189:f392fc9709a3 109 @ref LL_RCC_PLL1_SetN(). */
AnnaBridge 189:f392fc9709a3 110
AnnaBridge 189:f392fc9709a3 111 uint32_t PLLP; /*!< Division for the main system clock.
AnnaBridge 189:f392fc9709a3 112 This parameter must be a number between Min_Data = 2 and Max_Data = 128
AnnaBridge 189:f392fc9709a3 113 odd division factors are not allowed
AnnaBridge 189:f392fc9709a3 114
AnnaBridge 189:f392fc9709a3 115 This feature can be modified afterwards using unitary function
AnnaBridge 189:f392fc9709a3 116 @ref LL_RCC_PLL1_SetP(). */
AnnaBridge 189:f392fc9709a3 117
AnnaBridge 189:f392fc9709a3 118 uint32_t FRACN; /*!< Fractional part of the multiplication factor for PLL VCO.
AnnaBridge 189:f392fc9709a3 119 This parameter can be a value between 0 and 8191
AnnaBridge 189:f392fc9709a3 120
AnnaBridge 189:f392fc9709a3 121 This feature can be modified afterwards using unitary function
AnnaBridge 189:f392fc9709a3 122 @ref LL_RCC_PLL1_SetFRACN(). */
AnnaBridge 189:f392fc9709a3 123
AnnaBridge 189:f392fc9709a3 124 uint32_t VCO_Input; /*!< Fractional part of the multiplication factor for PLL VCO.
AnnaBridge 189:f392fc9709a3 125 This parameter can be a value of @ref RCC_LL_EC_PLLINPUTRANGE
AnnaBridge 189:f392fc9709a3 126
AnnaBridge 189:f392fc9709a3 127 This feature can be modified afterwards using unitary function
AnnaBridge 189:f392fc9709a3 128 @ref LL_RCC_PLL1_SetVCOInputRange(). */
AnnaBridge 189:f392fc9709a3 129
AnnaBridge 189:f392fc9709a3 130 uint32_t VCO_Output; /*!< Fractional part of the multiplication factor for PLL VCO.
AnnaBridge 189:f392fc9709a3 131 This parameter can be a value of @ref RCC_LL_EC_PLLVCORANGE
AnnaBridge 189:f392fc9709a3 132
AnnaBridge 189:f392fc9709a3 133 This feature can be modified afterwards using unitary function
AnnaBridge 189:f392fc9709a3 134 @ref LL_RCC_PLL1_SetVCOOutputRange(). */
AnnaBridge 189:f392fc9709a3 135
AnnaBridge 189:f392fc9709a3 136 } LL_UTILS_PLLInitTypeDef;
AnnaBridge 189:f392fc9709a3 137
AnnaBridge 189:f392fc9709a3 138 /**
AnnaBridge 189:f392fc9709a3 139 * @brief UTILS System, AHB and APB buses clock configuration structure definition
AnnaBridge 189:f392fc9709a3 140 */
AnnaBridge 189:f392fc9709a3 141 typedef struct
AnnaBridge 189:f392fc9709a3 142 {
AnnaBridge 189:f392fc9709a3 143 uint32_t SYSCLKDivider; /*!< The System clock (SYSCLK) divider. This clock is derived from the PLL output.
AnnaBridge 189:f392fc9709a3 144 This parameter can be a value of @ref RCC_LL_EC_SYSCLK_DIV
AnnaBridge 189:f392fc9709a3 145
AnnaBridge 189:f392fc9709a3 146 This feature can be modified afterwards using unitary function
AnnaBridge 189:f392fc9709a3 147 @ref LL_RCC_SetSysPrescaler(). */
AnnaBridge 189:f392fc9709a3 148
AnnaBridge 189:f392fc9709a3 149 uint32_t AHBCLKDivider; /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
AnnaBridge 189:f392fc9709a3 150 This parameter can be a value of @ref RCC_LL_EC_AHB_DIV
AnnaBridge 189:f392fc9709a3 151
AnnaBridge 189:f392fc9709a3 152 This feature can be modified afterwards using unitary function
AnnaBridge 189:f392fc9709a3 153 @ref LL_RCC_SetAHBPrescaler(). */
AnnaBridge 189:f392fc9709a3 154
AnnaBridge 189:f392fc9709a3 155 uint32_t APB1CLKDivider; /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
AnnaBridge 189:f392fc9709a3 156 This parameter can be a value of @ref RCC_LL_EC_APB1_DIV
AnnaBridge 189:f392fc9709a3 157
AnnaBridge 189:f392fc9709a3 158 This feature can be modified afterwards using unitary function
AnnaBridge 189:f392fc9709a3 159 @ref LL_RCC_SetAPB1Prescaler(). */
AnnaBridge 189:f392fc9709a3 160
AnnaBridge 189:f392fc9709a3 161 uint32_t APB2CLKDivider; /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
AnnaBridge 189:f392fc9709a3 162 This parameter can be a value of @ref RCC_LL_EC_APB2_DIV
AnnaBridge 189:f392fc9709a3 163
AnnaBridge 189:f392fc9709a3 164 This feature can be modified afterwards using unitary function
AnnaBridge 189:f392fc9709a3 165 @ref LL_RCC_SetAPB2Prescaler(). */
AnnaBridge 189:f392fc9709a3 166
AnnaBridge 189:f392fc9709a3 167 uint32_t APB3CLKDivider; /*!< The APB2 clock (PCLK3) divider. This clock is derived from the AHB clock (HCLK).
AnnaBridge 189:f392fc9709a3 168 This parameter can be a value of @ref RCC_LL_EC_APB3_DIV
AnnaBridge 189:f392fc9709a3 169
AnnaBridge 189:f392fc9709a3 170 This feature can be modified afterwards using unitary function
AnnaBridge 189:f392fc9709a3 171 @ref LL_RCC_SetAPB3Prescaler(). */
AnnaBridge 189:f392fc9709a3 172
AnnaBridge 189:f392fc9709a3 173 uint32_t APB4CLKDivider; /*!< The APB4 clock (PCLK4) divider. This clock is derived from the AHB clock (HCLK).
AnnaBridge 189:f392fc9709a3 174 This parameter can be a value of @ref RCC_LL_EC_APB4_DIV
AnnaBridge 189:f392fc9709a3 175
AnnaBridge 189:f392fc9709a3 176 This feature can be modified afterwards using unitary function
AnnaBridge 189:f392fc9709a3 177 @ref LL_RCC_SetAPB4Prescaler(). */
AnnaBridge 189:f392fc9709a3 178
AnnaBridge 189:f392fc9709a3 179 } LL_UTILS_ClkInitTypeDef;
AnnaBridge 189:f392fc9709a3 180
AnnaBridge 189:f392fc9709a3 181 /**
AnnaBridge 189:f392fc9709a3 182 * @}
AnnaBridge 189:f392fc9709a3 183 */
AnnaBridge 189:f392fc9709a3 184
AnnaBridge 189:f392fc9709a3 185 /* Exported constants --------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 186 /** @defgroup UTILS_LL_Exported_Constants UTILS Exported Constants
AnnaBridge 189:f392fc9709a3 187 * @{
AnnaBridge 189:f392fc9709a3 188 */
AnnaBridge 189:f392fc9709a3 189
AnnaBridge 189:f392fc9709a3 190 /** @defgroup UTILS_EC_HSE_BYPASS HSE Bypass activation
AnnaBridge 189:f392fc9709a3 191 * @{
AnnaBridge 189:f392fc9709a3 192 */
AnnaBridge 189:f392fc9709a3 193 #define LL_UTILS_HSEBYPASS_OFF 0x00000000U /*!< HSE Bypass is not enabled */
AnnaBridge 189:f392fc9709a3 194 #define LL_UTILS_HSEBYPASS_ON 0x00000001U /*!< HSE Bypass is enabled */
AnnaBridge 189:f392fc9709a3 195 /**
AnnaBridge 189:f392fc9709a3 196 * @}
AnnaBridge 189:f392fc9709a3 197 */
AnnaBridge 189:f392fc9709a3 198
AnnaBridge 189:f392fc9709a3 199 /** @defgroup UTILS_EC_PACKAGETYPE PACKAGE TYPE
AnnaBridge 189:f392fc9709a3 200 * @{
AnnaBridge 189:f392fc9709a3 201 */
AnnaBridge 189:f392fc9709a3 202 #define LL_UTILS_PACKAGETYPE_LQFP100 LL_SYSCFG_LQFP100_PACKAGE /*!< LQFP100 package type */
AnnaBridge 189:f392fc9709a3 203 #define LL_UTILS_PACKAGETYPE_TQFP144 LL_SYSCFG_TQFP144_PACKAGE /*!< TQFP144 package type */
AnnaBridge 189:f392fc9709a3 204 #define LL_UTILS_PACKAGETYPE_TQFP176_UFBGA176 LL_SYSCFG_TQFP176_UFBGA176_PACKAGE /*!< TQFP176 or UFBGA176 package type */
AnnaBridge 189:f392fc9709a3 205 #define LL_UTILS_PACKAGETYPE_LQFP208_TFBGA240 LL_SYSCFG_LQFP208_TFBGA240_PACKAGE /*!< LQFP208 or TFBGA240 package type */
AnnaBridge 189:f392fc9709a3 206 /**
AnnaBridge 189:f392fc9709a3 207 * @}
AnnaBridge 189:f392fc9709a3 208 */
AnnaBridge 189:f392fc9709a3 209
AnnaBridge 189:f392fc9709a3 210 /**
AnnaBridge 189:f392fc9709a3 211 * @}
AnnaBridge 189:f392fc9709a3 212 */
AnnaBridge 189:f392fc9709a3 213
AnnaBridge 189:f392fc9709a3 214 /* Exported macro ------------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 215
AnnaBridge 189:f392fc9709a3 216 /* Exported functions --------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 217 /** @defgroup UTILS_LL_Exported_Functions UTILS Exported Functions
AnnaBridge 189:f392fc9709a3 218 * @{
AnnaBridge 189:f392fc9709a3 219 */
AnnaBridge 189:f392fc9709a3 220
AnnaBridge 189:f392fc9709a3 221 /** @defgroup UTILS_EF_DEVICE_ELECTRONIC_SIGNATURE DEVICE ELECTRONIC SIGNATURE
AnnaBridge 189:f392fc9709a3 222 * @{
AnnaBridge 189:f392fc9709a3 223 */
AnnaBridge 189:f392fc9709a3 224
AnnaBridge 189:f392fc9709a3 225 /**
AnnaBridge 189:f392fc9709a3 226 * @brief Get Word0 of the unique device identifier (UID based on 96 bits)
AnnaBridge 189:f392fc9709a3 227 * @retval UID[31:0]
AnnaBridge 189:f392fc9709a3 228 */
AnnaBridge 189:f392fc9709a3 229 __STATIC_INLINE uint32_t LL_GetUID_Word0(void)
AnnaBridge 189:f392fc9709a3 230 {
AnnaBridge 189:f392fc9709a3 231 return (uint32_t)(READ_REG(*((uint32_t *)UID_BASE_ADDRESS)));
AnnaBridge 189:f392fc9709a3 232 }
AnnaBridge 189:f392fc9709a3 233
AnnaBridge 189:f392fc9709a3 234 /**
AnnaBridge 189:f392fc9709a3 235 * @brief Get Word1 of the unique device identifier (UID based on 96 bits)
AnnaBridge 189:f392fc9709a3 236 * @retval UID[63:32]
AnnaBridge 189:f392fc9709a3 237 */
AnnaBridge 189:f392fc9709a3 238 __STATIC_INLINE uint32_t LL_GetUID_Word1(void)
AnnaBridge 189:f392fc9709a3 239 {
AnnaBridge 189:f392fc9709a3 240 return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 4U))));
AnnaBridge 189:f392fc9709a3 241 }
AnnaBridge 189:f392fc9709a3 242
AnnaBridge 189:f392fc9709a3 243 /**
AnnaBridge 189:f392fc9709a3 244 * @brief Get Word2 of the unique device identifier (UID based on 96 bits)
AnnaBridge 189:f392fc9709a3 245 * @retval UID[95:64]
AnnaBridge 189:f392fc9709a3 246 */
AnnaBridge 189:f392fc9709a3 247 __STATIC_INLINE uint32_t LL_GetUID_Word2(void)
AnnaBridge 189:f392fc9709a3 248 {
AnnaBridge 189:f392fc9709a3 249 return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 8U))));
AnnaBridge 189:f392fc9709a3 250 }
AnnaBridge 189:f392fc9709a3 251
AnnaBridge 189:f392fc9709a3 252 /**
AnnaBridge 189:f392fc9709a3 253 * @brief Get Flash memory size
AnnaBridge 189:f392fc9709a3 254 * @note This bitfield indicates the size of the device Flash memory expressed in
AnnaBridge 189:f392fc9709a3 255 * Kbytes. As an example, 0x040 corresponds to 64 Kbytes.
AnnaBridge 189:f392fc9709a3 256 * @retval FLASH_SIZE[15:0]: Flash memory size
AnnaBridge 189:f392fc9709a3 257 */
AnnaBridge 189:f392fc9709a3 258 __STATIC_INLINE uint32_t LL_GetFlashSize(void)
AnnaBridge 189:f392fc9709a3 259 {
AnnaBridge 189:f392fc9709a3 260 return (uint16_t)(READ_REG(*((uint32_t *)FLASHSIZE_BASE_ADDRESS)));
AnnaBridge 189:f392fc9709a3 261 }
AnnaBridge 189:f392fc9709a3 262
AnnaBridge 189:f392fc9709a3 263 /**
AnnaBridge 189:f392fc9709a3 264 * @brief Get Package type
AnnaBridge 189:f392fc9709a3 265 * @retval Returned value can be one of the following values:
AnnaBridge 189:f392fc9709a3 266 * @arg @ref LL_UTILS_PACKAGETYPE_LQFP100
AnnaBridge 189:f392fc9709a3 267 * @arg @ref LL_UTILS_PACKAGETYPE_TQFP144
AnnaBridge 189:f392fc9709a3 268 * @arg @ref LL_UTILS_PACKAGETYPE_TQFP176_UFBGA176
AnnaBridge 189:f392fc9709a3 269 * @arg @ref LL_UTILS_PACKAGETYPE_LQFP208_TFBGA240
AnnaBridge 189:f392fc9709a3 270 */
AnnaBridge 189:f392fc9709a3 271 __STATIC_INLINE uint32_t LL_GetPackageType(void)
AnnaBridge 189:f392fc9709a3 272 {
AnnaBridge 189:f392fc9709a3 273
AnnaBridge 189:f392fc9709a3 274 LL_APB4_GRP1_EnableClock(LL_APB4_GRP1_PERIPH_SYSCFG);
AnnaBridge 189:f392fc9709a3 275
AnnaBridge 189:f392fc9709a3 276 return LL_SYSCFG_GetPackage();
AnnaBridge 189:f392fc9709a3 277 }
AnnaBridge 189:f392fc9709a3 278
AnnaBridge 189:f392fc9709a3 279 /**
AnnaBridge 189:f392fc9709a3 280 * @}
AnnaBridge 189:f392fc9709a3 281 */
AnnaBridge 189:f392fc9709a3 282
AnnaBridge 189:f392fc9709a3 283 /** @defgroup UTILS_LL_EF_DELAY DELAY
AnnaBridge 189:f392fc9709a3 284 * @{
AnnaBridge 189:f392fc9709a3 285 */
AnnaBridge 189:f392fc9709a3 286
AnnaBridge 189:f392fc9709a3 287 /**
AnnaBridge 189:f392fc9709a3 288 * @brief This function configures the Cortex-M SysTick source of the time base.
AnnaBridge 189:f392fc9709a3 289 * @param HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro)
AnnaBridge 189:f392fc9709a3 290 * @note When a RTOS is used, it is recommended to avoid changing the SysTick
AnnaBridge 189:f392fc9709a3 291 * configuration by calling this function, for a delay use rather osDelay RTOS service.
AnnaBridge 189:f392fc9709a3 292 * @param Ticks Number of ticks
AnnaBridge 189:f392fc9709a3 293 * @retval None
AnnaBridge 189:f392fc9709a3 294 */
AnnaBridge 189:f392fc9709a3 295 __STATIC_INLINE void LL_InitTick(uint32_t HCLKFrequency, uint32_t Ticks)
AnnaBridge 189:f392fc9709a3 296 {
AnnaBridge 189:f392fc9709a3 297 /* Configure the SysTick to have interrupt in 1ms time base */
AnnaBridge 189:f392fc9709a3 298 SysTick->LOAD = (uint32_t)((HCLKFrequency / Ticks) - 1UL); /* set reload register */
AnnaBridge 189:f392fc9709a3 299 SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
AnnaBridge 189:f392fc9709a3 300 SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
AnnaBridge 189:f392fc9709a3 301 SysTick_CTRL_ENABLE_Msk; /* Enable the Systick Timer */
AnnaBridge 189:f392fc9709a3 302 }
AnnaBridge 189:f392fc9709a3 303
AnnaBridge 189:f392fc9709a3 304 void LL_Init1msTick(uint32_t CPU_Frequency);
AnnaBridge 189:f392fc9709a3 305 void LL_mDelay(uint32_t Delay);
AnnaBridge 189:f392fc9709a3 306
AnnaBridge 189:f392fc9709a3 307 /**
AnnaBridge 189:f392fc9709a3 308 * @}
AnnaBridge 189:f392fc9709a3 309 */
AnnaBridge 189:f392fc9709a3 310
AnnaBridge 189:f392fc9709a3 311 /** @defgroup UTILS_EF_SYSTEM SYSTEM
AnnaBridge 189:f392fc9709a3 312 * @{
AnnaBridge 189:f392fc9709a3 313 */
AnnaBridge 189:f392fc9709a3 314
AnnaBridge 189:f392fc9709a3 315 void LL_SetSystemCoreClock(uint32_t CPU_Frequency);
AnnaBridge 189:f392fc9709a3 316 ErrorStatus LL_PLL_ConfigSystemClock_HSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
AnnaBridge 189:f392fc9709a3 317 LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
AnnaBridge 189:f392fc9709a3 318 ErrorStatus LL_PLL_ConfigSystemClock_HSE(uint32_t HSEFrequency,
AnnaBridge 189:f392fc9709a3 319 uint32_t HSEBypass,
AnnaBridge 189:f392fc9709a3 320 LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
AnnaBridge 189:f392fc9709a3 321 LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
AnnaBridge 189:f392fc9709a3 322
AnnaBridge 189:f392fc9709a3 323 /**
AnnaBridge 189:f392fc9709a3 324 * @}
AnnaBridge 189:f392fc9709a3 325 */
AnnaBridge 189:f392fc9709a3 326
AnnaBridge 189:f392fc9709a3 327 /**
AnnaBridge 189:f392fc9709a3 328 * @}
AnnaBridge 189:f392fc9709a3 329 */
AnnaBridge 189:f392fc9709a3 330
AnnaBridge 189:f392fc9709a3 331 /**
AnnaBridge 189:f392fc9709a3 332 * @}
AnnaBridge 189:f392fc9709a3 333 */
AnnaBridge 189:f392fc9709a3 334
AnnaBridge 189:f392fc9709a3 335 /**
AnnaBridge 189:f392fc9709a3 336 * @}
AnnaBridge 189:f392fc9709a3 337 */
AnnaBridge 189:f392fc9709a3 338
AnnaBridge 189:f392fc9709a3 339 #ifdef __cplusplus
AnnaBridge 189:f392fc9709a3 340 }
AnnaBridge 189:f392fc9709a3 341 #endif
AnnaBridge 189:f392fc9709a3 342
AnnaBridge 189:f392fc9709a3 343 #endif /* STM32H7xx_LL_UTILS_H */
AnnaBridge 189:f392fc9709a3 344
AnnaBridge 189:f392fc9709a3 345 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/