Gan likun / mbed1-dev

001

targets/TARGET_STM/TARGET_STM32F4/device/stm32f4xx_ll_utils.h@0:13413ea9a877, 2022-06-12 (annotated)

Committer:
ganlikun
Date:
Sun Jun 12 14:02:44 2022 +0000
Revision:
0:13413ea9a877
00

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ganlikun 0:13413ea9a877 1 /**
ganlikun 0:13413ea9a877 2 ******************************************************************************
ganlikun 0:13413ea9a877 3 * @file stm32f4xx_ll_utils.h
ganlikun 0:13413ea9a877 4 * @author MCD Application Team
ganlikun 0:13413ea9a877 5 * @version V1.7.1
ganlikun 0:13413ea9a877 6 * @date 14-April-2017
ganlikun 0:13413ea9a877 7 * @brief Header file of UTILS LL module.
ganlikun 0:13413ea9a877 8 @verbatim
ganlikun 0:13413ea9a877 9 ==============================================================================
ganlikun 0:13413ea9a877 10 ##### How to use this driver #####
ganlikun 0:13413ea9a877 11 ==============================================================================
ganlikun 0:13413ea9a877 12 [..]
ganlikun 0:13413ea9a877 13 The LL UTILS driver contains a set of generic APIs that can be
ganlikun 0:13413ea9a877 14 used by user:
ganlikun 0:13413ea9a877 15 (+) Device electronic signature
ganlikun 0:13413ea9a877 16 (+) Timing functions
ganlikun 0:13413ea9a877 17 (+) PLL configuration functions
ganlikun 0:13413ea9a877 18
ganlikun 0:13413ea9a877 19 @endverbatim
ganlikun 0:13413ea9a877 20 ******************************************************************************
ganlikun 0:13413ea9a877 21 * @attention
ganlikun 0:13413ea9a877 22 *
ganlikun 0:13413ea9a877 23 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
ganlikun 0:13413ea9a877 24 *
ganlikun 0:13413ea9a877 25 * Redistribution and use in source and binary forms, with or without modification,
ganlikun 0:13413ea9a877 26 * are permitted provided that the following conditions are met:
ganlikun 0:13413ea9a877 27 * 1. Redistributions of source code must retain the above copyright notice,
ganlikun 0:13413ea9a877 28 * this list of conditions and the following disclaimer.
ganlikun 0:13413ea9a877 29 * 2. Redistributions in binary form must reproduce the above copyright notice,
ganlikun 0:13413ea9a877 30 * this list of conditions and the following disclaimer in the documentation
ganlikun 0:13413ea9a877 31 * and/or other materials provided with the distribution.
ganlikun 0:13413ea9a877 32 * 3. Neither the name of STMicroelectronics nor the names of its contributors
ganlikun 0:13413ea9a877 33 * may be used to endorse or promote products derived from this software
ganlikun 0:13413ea9a877 34 * without specific prior written permission.
ganlikun 0:13413ea9a877 35 *
ganlikun 0:13413ea9a877 36 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
ganlikun 0:13413ea9a877 37 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
ganlikun 0:13413ea9a877 38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
ganlikun 0:13413ea9a877 39 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
ganlikun 0:13413ea9a877 40 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
ganlikun 0:13413ea9a877 41 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
ganlikun 0:13413ea9a877 42 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
ganlikun 0:13413ea9a877 43 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
ganlikun 0:13413ea9a877 44 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
ganlikun 0:13413ea9a877 45 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
ganlikun 0:13413ea9a877 46 *
ganlikun 0:13413ea9a877 47 ******************************************************************************
ganlikun 0:13413ea9a877 48 */
ganlikun 0:13413ea9a877 49
ganlikun 0:13413ea9a877 50 /* Define to prevent recursive inclusion -------------------------------------*/
ganlikun 0:13413ea9a877 51 #ifndef __STM32F4xx_LL_UTILS_H
ganlikun 0:13413ea9a877 52 #define __STM32F4xx_LL_UTILS_H
ganlikun 0:13413ea9a877 53
ganlikun 0:13413ea9a877 54 #ifdef __cplusplus
ganlikun 0:13413ea9a877 55 extern "C" {
ganlikun 0:13413ea9a877 56 #endif
ganlikun 0:13413ea9a877 57
ganlikun 0:13413ea9a877 58 /* Includes ------------------------------------------------------------------*/
ganlikun 0:13413ea9a877 59 #include "stm32f4xx.h"
ganlikun 0:13413ea9a877 60
ganlikun 0:13413ea9a877 61 /** @addtogroup STM32F4xx_LL_Driver
ganlikun 0:13413ea9a877 62 * @{
ganlikun 0:13413ea9a877 63 */
ganlikun 0:13413ea9a877 64
ganlikun 0:13413ea9a877 65 /** @defgroup UTILS_LL UTILS
ganlikun 0:13413ea9a877 66 * @{
ganlikun 0:13413ea9a877 67 */
ganlikun 0:13413ea9a877 68
ganlikun 0:13413ea9a877 69 /* Private types -------------------------------------------------------------*/
ganlikun 0:13413ea9a877 70 /* Private variables ---------------------------------------------------------*/
ganlikun 0:13413ea9a877 71
ganlikun 0:13413ea9a877 72 /* Private constants ---------------------------------------------------------*/
ganlikun 0:13413ea9a877 73 /** @defgroup UTILS_LL_Private_Constants UTILS Private Constants
ganlikun 0:13413ea9a877 74 * @{
ganlikun 0:13413ea9a877 75 */
ganlikun 0:13413ea9a877 76
ganlikun 0:13413ea9a877 77 /* Max delay can be used in LL_mDelay */
ganlikun 0:13413ea9a877 78 #define LL_MAX_DELAY 0xFFFFFFFFU
ganlikun 0:13413ea9a877 79
ganlikun 0:13413ea9a877 80 /**
ganlikun 0:13413ea9a877 81 * @brief Unique device ID register base address
ganlikun 0:13413ea9a877 82 */
ganlikun 0:13413ea9a877 83 #define UID_BASE_ADDRESS UID_BASE
ganlikun 0:13413ea9a877 84
ganlikun 0:13413ea9a877 85 /**
ganlikun 0:13413ea9a877 86 * @brief Flash size data register base address
ganlikun 0:13413ea9a877 87 */
ganlikun 0:13413ea9a877 88 #define FLASHSIZE_BASE_ADDRESS FLASHSIZE_BASE
ganlikun 0:13413ea9a877 89
ganlikun 0:13413ea9a877 90 /**
ganlikun 0:13413ea9a877 91 * @brief Package data register base address
ganlikun 0:13413ea9a877 92 */
ganlikun 0:13413ea9a877 93 #define PACKAGE_BASE_ADDRESS PACKAGE_BASE
ganlikun 0:13413ea9a877 94
ganlikun 0:13413ea9a877 95 /**
ganlikun 0:13413ea9a877 96 * @}
ganlikun 0:13413ea9a877 97 */
ganlikun 0:13413ea9a877 98
ganlikun 0:13413ea9a877 99 /* Private macros ------------------------------------------------------------*/
ganlikun 0:13413ea9a877 100 /** @defgroup UTILS_LL_Private_Macros UTILS Private Macros
ganlikun 0:13413ea9a877 101 * @{
ganlikun 0:13413ea9a877 102 */
ganlikun 0:13413ea9a877 103 /**
ganlikun 0:13413ea9a877 104 * @}
ganlikun 0:13413ea9a877 105 */
ganlikun 0:13413ea9a877 106 /* Exported types ------------------------------------------------------------*/
ganlikun 0:13413ea9a877 107 /** @defgroup UTILS_LL_ES_INIT UTILS Exported structures
ganlikun 0:13413ea9a877 108 * @{
ganlikun 0:13413ea9a877 109 */
ganlikun 0:13413ea9a877 110 /**
ganlikun 0:13413ea9a877 111 * @brief UTILS PLL structure definition
ganlikun 0:13413ea9a877 112 */
ganlikun 0:13413ea9a877 113 typedef struct
ganlikun 0:13413ea9a877 114 {
ganlikun 0:13413ea9a877 115 uint32_t PLLM; /*!< Division factor for PLL VCO input clock.
ganlikun 0:13413ea9a877 116 This parameter can be a value of @ref RCC_LL_EC_PLLM_DIV
ganlikun 0:13413ea9a877 117
ganlikun 0:13413ea9a877 118 This feature can be modified afterwards using unitary function
ganlikun 0:13413ea9a877 119 @ref LL_RCC_PLL_ConfigDomain_SYS(). */
ganlikun 0:13413ea9a877 120
ganlikun 0:13413ea9a877 121 uint32_t PLLN; /*!< Multiplication factor for PLL VCO output clock.
ganlikun 0:13413ea9a877 122 This parameter must be a number between Min_Data = @ref RCC_PLLN_MIN_VALUE
ganlikun 0:13413ea9a877 123 and Max_Data = @ref RCC_PLLN_MIN_VALUE
ganlikun 0:13413ea9a877 124
ganlikun 0:13413ea9a877 125 This feature can be modified afterwards using unitary function
ganlikun 0:13413ea9a877 126 @ref LL_RCC_PLL_ConfigDomain_SYS(). */
ganlikun 0:13413ea9a877 127
ganlikun 0:13413ea9a877 128 uint32_t PLLP; /*!< Division for the main system clock.
ganlikun 0:13413ea9a877 129 This parameter can be a value of @ref RCC_LL_EC_PLLP_DIV
ganlikun 0:13413ea9a877 130
ganlikun 0:13413ea9a877 131 This feature can be modified afterwards using unitary function
ganlikun 0:13413ea9a877 132 @ref LL_RCC_PLL_ConfigDomain_SYS(). */
ganlikun 0:13413ea9a877 133 } LL_UTILS_PLLInitTypeDef;
ganlikun 0:13413ea9a877 134
ganlikun 0:13413ea9a877 135 /**
ganlikun 0:13413ea9a877 136 * @brief UTILS System, AHB and APB buses clock configuration structure definition
ganlikun 0:13413ea9a877 137 */
ganlikun 0:13413ea9a877 138 typedef struct
ganlikun 0:13413ea9a877 139 {
ganlikun 0:13413ea9a877 140 uint32_t AHBCLKDivider; /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
ganlikun 0:13413ea9a877 141 This parameter can be a value of @ref RCC_LL_EC_SYSCLK_DIV
ganlikun 0:13413ea9a877 142
ganlikun 0:13413ea9a877 143 This feature can be modified afterwards using unitary function
ganlikun 0:13413ea9a877 144 @ref LL_RCC_SetAHBPrescaler(). */
ganlikun 0:13413ea9a877 145
ganlikun 0:13413ea9a877 146 uint32_t APB1CLKDivider; /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
ganlikun 0:13413ea9a877 147 This parameter can be a value of @ref RCC_LL_EC_APB1_DIV
ganlikun 0:13413ea9a877 148
ganlikun 0:13413ea9a877 149 This feature can be modified afterwards using unitary function
ganlikun 0:13413ea9a877 150 @ref LL_RCC_SetAPB1Prescaler(). */
ganlikun 0:13413ea9a877 151
ganlikun 0:13413ea9a877 152 uint32_t APB2CLKDivider; /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
ganlikun 0:13413ea9a877 153 This parameter can be a value of @ref RCC_LL_EC_APB2_DIV
ganlikun 0:13413ea9a877 154
ganlikun 0:13413ea9a877 155 This feature can be modified afterwards using unitary function
ganlikun 0:13413ea9a877 156 @ref LL_RCC_SetAPB2Prescaler(). */
ganlikun 0:13413ea9a877 157
ganlikun 0:13413ea9a877 158 } LL_UTILS_ClkInitTypeDef;
ganlikun 0:13413ea9a877 159
ganlikun 0:13413ea9a877 160 /**
ganlikun 0:13413ea9a877 161 * @}
ganlikun 0:13413ea9a877 162 */
ganlikun 0:13413ea9a877 163
ganlikun 0:13413ea9a877 164 /* Exported constants --------------------------------------------------------*/
ganlikun 0:13413ea9a877 165 /** @defgroup UTILS_LL_Exported_Constants UTILS Exported Constants
ganlikun 0:13413ea9a877 166 * @{
ganlikun 0:13413ea9a877 167 */
ganlikun 0:13413ea9a877 168
ganlikun 0:13413ea9a877 169 /** @defgroup UTILS_EC_HSE_BYPASS HSE Bypass activation
ganlikun 0:13413ea9a877 170 * @{
ganlikun 0:13413ea9a877 171 */
ganlikun 0:13413ea9a877 172 #define LL_UTILS_HSEBYPASS_OFF 0x00000000U /*!< HSE Bypass is not enabled */
ganlikun 0:13413ea9a877 173 #define LL_UTILS_HSEBYPASS_ON 0x00000001U /*!< HSE Bypass is enabled */
ganlikun 0:13413ea9a877 174 /**
ganlikun 0:13413ea9a877 175 * @}
ganlikun 0:13413ea9a877 176 */
ganlikun 0:13413ea9a877 177
ganlikun 0:13413ea9a877 178 /** @defgroup UTILS_EC_PACKAGETYPE PACKAGE TYPE
ganlikun 0:13413ea9a877 179 * @{
ganlikun 0:13413ea9a877 180 */
ganlikun 0:13413ea9a877 181 #define LL_UTILS_PACKAGETYPE_WLCSP36_UFQFPN48_LQFP64 0x00000000U /*!< WLCSP36 or UFQFPN48 or LQFP64 package type */
ganlikun 0:13413ea9a877 182 #define LL_UTILS_PACKAGETYPE_WLCSP168_FBGA169_LQFP100_LQFP64_UFQFPN48 0x00000100U /*!< WLCSP168 or FBGA169 or LQFP100 or LQFP64 or UFQFPN48 package type */
ganlikun 0:13413ea9a877 183 #define LL_UTILS_PACKAGETYPE_WLCSP64_WLCSP81_LQFP176_UFBGA176 0x00000200U /*!< WLCSP64 or WLCSP81 or LQFP176 or UFBGA176 package type */
ganlikun 0:13413ea9a877 184 #define LL_UTILS_PACKAGETYPE_LQFP144_UFBGA144_UFBGA144_UFBGA100 0x00000300U /*!< LQFP144 or UFBGA144 or UFBGA144 or UFBGA100 package type */
ganlikun 0:13413ea9a877 185 #define LL_UTILS_PACKAGETYPE_LQFP100_LQFP208_TFBGA216 0x00000400U /*!< LQFP100 or LQFP208 or TFBGA216 package type */
ganlikun 0:13413ea9a877 186 #define LL_UTILS_PACKAGETYPE_LQFP208_TFBGA216 0x00000500U /*!< LQFP208 or TFBGA216 package type */
ganlikun 0:13413ea9a877 187 #define LL_UTILS_PACKAGETYPE_TQFP64_UFBGA144_LQFP144 0x00000700U /*!< TQFP64 or UFBGA144 or LQFP144 package type */
ganlikun 0:13413ea9a877 188 /**
ganlikun 0:13413ea9a877 189 * @}
ganlikun 0:13413ea9a877 190 */
ganlikun 0:13413ea9a877 191
ganlikun 0:13413ea9a877 192 /**
ganlikun 0:13413ea9a877 193 * @}
ganlikun 0:13413ea9a877 194 */
ganlikun 0:13413ea9a877 195
ganlikun 0:13413ea9a877 196 /* Exported macro ------------------------------------------------------------*/
ganlikun 0:13413ea9a877 197
ganlikun 0:13413ea9a877 198 /* Exported functions --------------------------------------------------------*/
ganlikun 0:13413ea9a877 199 /** @defgroup UTILS_LL_Exported_Functions UTILS Exported Functions
ganlikun 0:13413ea9a877 200 * @{
ganlikun 0:13413ea9a877 201 */
ganlikun 0:13413ea9a877 202
ganlikun 0:13413ea9a877 203 /** @defgroup UTILS_EF_DEVICE_ELECTRONIC_SIGNATURE DEVICE ELECTRONIC SIGNATURE
ganlikun 0:13413ea9a877 204 * @{
ganlikun 0:13413ea9a877 205 */
ganlikun 0:13413ea9a877 206
ganlikun 0:13413ea9a877 207 /**
ganlikun 0:13413ea9a877 208 * @brief Get Word0 of the unique device identifier (UID based on 96 bits)
ganlikun 0:13413ea9a877 209 * @retval UID[31:0]
ganlikun 0:13413ea9a877 210 */
ganlikun 0:13413ea9a877 211 __STATIC_INLINE uint32_t LL_GetUID_Word0(void)
ganlikun 0:13413ea9a877 212 {
ganlikun 0:13413ea9a877 213 return (uint32_t)(READ_REG(*((uint32_t *)UID_BASE_ADDRESS)));
ganlikun 0:13413ea9a877 214 }
ganlikun 0:13413ea9a877 215
ganlikun 0:13413ea9a877 216 /**
ganlikun 0:13413ea9a877 217 * @brief Get Word1 of the unique device identifier (UID based on 96 bits)
ganlikun 0:13413ea9a877 218 * @retval UID[63:32]
ganlikun 0:13413ea9a877 219 */
ganlikun 0:13413ea9a877 220 __STATIC_INLINE uint32_t LL_GetUID_Word1(void)
ganlikun 0:13413ea9a877 221 {
ganlikun 0:13413ea9a877 222 return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 4U))));
ganlikun 0:13413ea9a877 223 }
ganlikun 0:13413ea9a877 224
ganlikun 0:13413ea9a877 225 /**
ganlikun 0:13413ea9a877 226 * @brief Get Word2 of the unique device identifier (UID based on 96 bits)
ganlikun 0:13413ea9a877 227 * @retval UID[95:64]
ganlikun 0:13413ea9a877 228 */
ganlikun 0:13413ea9a877 229 __STATIC_INLINE uint32_t LL_GetUID_Word2(void)
ganlikun 0:13413ea9a877 230 {
ganlikun 0:13413ea9a877 231 return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 8U))));
ganlikun 0:13413ea9a877 232 }
ganlikun 0:13413ea9a877 233
ganlikun 0:13413ea9a877 234 /**
ganlikun 0:13413ea9a877 235 * @brief Get Flash memory size
ganlikun 0:13413ea9a877 236 * @note This bitfield indicates the size of the device Flash memory expressed in
ganlikun 0:13413ea9a877 237 * Kbytes. As an example, 0x040 corresponds to 64 Kbytes.
ganlikun 0:13413ea9a877 238 * @retval FLASH_SIZE[15:0]: Flash memory size
ganlikun 0:13413ea9a877 239 */
ganlikun 0:13413ea9a877 240 __STATIC_INLINE uint32_t LL_GetFlashSize(void)
ganlikun 0:13413ea9a877 241 {
ganlikun 0:13413ea9a877 242 return (uint16_t)(READ_REG(*((uint32_t *)FLASHSIZE_BASE_ADDRESS)));
ganlikun 0:13413ea9a877 243 }
ganlikun 0:13413ea9a877 244
ganlikun 0:13413ea9a877 245 /**
ganlikun 0:13413ea9a877 246 * @brief Get Package type
ganlikun 0:13413ea9a877 247 * @retval Returned value can be one of the following values:
ganlikun 0:13413ea9a877 248 * @arg @ref LL_UTILS_PACKAGETYPE_WLCSP36_UFQFPN48_LQFP64 (*)
ganlikun 0:13413ea9a877 249 * @arg @ref LL_UTILS_PACKAGETYPE_WLCSP168_FBGA169_LQFP100_LQFP64_UFQFPN48 (*)
ganlikun 0:13413ea9a877 250 * @arg @ref LL_UTILS_PACKAGETYPE_WLCSP64_WLCSP81_LQFP176_UFBGA176 (*)
ganlikun 0:13413ea9a877 251 * @arg @ref LL_UTILS_PACKAGETYPE_LQFP144_UFBGA144_UFBGA144_UFBGA100 (*)
ganlikun 0:13413ea9a877 252 * @arg @ref LL_UTILS_PACKAGETYPE_LQFP100_LQFP208_TFBGA216 (*)
ganlikun 0:13413ea9a877 253 * @arg @ref LL_UTILS_PACKAGETYPE_LQFP208_TFBGA216 (*)
ganlikun 0:13413ea9a877 254 * @arg @ref LL_UTILS_PACKAGETYPE_TQFP64_UFBGA144_LQFP144 (*)
ganlikun 0:13413ea9a877 255 *
ganlikun 0:13413ea9a877 256 * (*) value not defined in all devices.
ganlikun 0:13413ea9a877 257 */
ganlikun 0:13413ea9a877 258 __STATIC_INLINE uint32_t LL_GetPackageType(void)
ganlikun 0:13413ea9a877 259 {
ganlikun 0:13413ea9a877 260 return (uint8_t)(READ_REG(*((uint32_t *)PACKAGE_BASE_ADDRESS)) & 0x0700U);
ganlikun 0:13413ea9a877 261 }
ganlikun 0:13413ea9a877 262
ganlikun 0:13413ea9a877 263 /**
ganlikun 0:13413ea9a877 264 * @}
ganlikun 0:13413ea9a877 265 */
ganlikun 0:13413ea9a877 266
ganlikun 0:13413ea9a877 267 /** @defgroup UTILS_LL_EF_DELAY DELAY
ganlikun 0:13413ea9a877 268 * @{
ganlikun 0:13413ea9a877 269 */
ganlikun 0:13413ea9a877 270
ganlikun 0:13413ea9a877 271 /**
ganlikun 0:13413ea9a877 272 * @brief This function configures the Cortex-M SysTick source of the time base.
ganlikun 0:13413ea9a877 273 * @param HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro)
ganlikun 0:13413ea9a877 274 * @note When a RTOS is used, it is recommended to avoid changing the SysTick
ganlikun 0:13413ea9a877 275 * configuration by calling this function, for a delay use rather osDelay RTOS service.
ganlikun 0:13413ea9a877 276 * @param Ticks Number of ticks
ganlikun 0:13413ea9a877 277 * @retval None
ganlikun 0:13413ea9a877 278 */
ganlikun 0:13413ea9a877 279 __STATIC_INLINE void LL_InitTick(uint32_t HCLKFrequency, uint32_t Ticks)
ganlikun 0:13413ea9a877 280 {
ganlikun 0:13413ea9a877 281 /* Configure the SysTick to have interrupt in 1ms time base */
ganlikun 0:13413ea9a877 282 SysTick->LOAD = (uint32_t)((HCLKFrequency / Ticks) - 1UL); /* set reload register */
ganlikun 0:13413ea9a877 283 SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
ganlikun 0:13413ea9a877 284 SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
ganlikun 0:13413ea9a877 285 SysTick_CTRL_ENABLE_Msk; /* Enable the Systick Timer */
ganlikun 0:13413ea9a877 286 }
ganlikun 0:13413ea9a877 287
ganlikun 0:13413ea9a877 288 void LL_Init1msTick(uint32_t HCLKFrequency);
ganlikun 0:13413ea9a877 289 void LL_mDelay(uint32_t Delay);
ganlikun 0:13413ea9a877 290
ganlikun 0:13413ea9a877 291 /**
ganlikun 0:13413ea9a877 292 * @}
ganlikun 0:13413ea9a877 293 */
ganlikun 0:13413ea9a877 294
ganlikun 0:13413ea9a877 295 /** @defgroup UTILS_EF_SYSTEM SYSTEM
ganlikun 0:13413ea9a877 296 * @{
ganlikun 0:13413ea9a877 297 */
ganlikun 0:13413ea9a877 298
ganlikun 0:13413ea9a877 299 void LL_SetSystemCoreClock(uint32_t HCLKFrequency);
ganlikun 0:13413ea9a877 300 ErrorStatus LL_PLL_ConfigSystemClock_HSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
ganlikun 0:13413ea9a877 301 LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
ganlikun 0:13413ea9a877 302 ErrorStatus LL_PLL_ConfigSystemClock_HSE(uint32_t HSEFrequency, uint32_t HSEBypass,
ganlikun 0:13413ea9a877 303 LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
ganlikun 0:13413ea9a877 304
ganlikun 0:13413ea9a877 305 /**
ganlikun 0:13413ea9a877 306 * @}
ganlikun 0:13413ea9a877 307 */
ganlikun 0:13413ea9a877 308
ganlikun 0:13413ea9a877 309 /**
ganlikun 0:13413ea9a877 310 * @}
ganlikun 0:13413ea9a877 311 */
ganlikun 0:13413ea9a877 312
ganlikun 0:13413ea9a877 313 /**
ganlikun 0:13413ea9a877 314 * @}
ganlikun 0:13413ea9a877 315 */
ganlikun 0:13413ea9a877 316
ganlikun 0:13413ea9a877 317 /**
ganlikun 0:13413ea9a877 318 * @}
ganlikun 0:13413ea9a877 319 */
ganlikun 0:13413ea9a877 320
ganlikun 0:13413ea9a877 321 #ifdef __cplusplus
ganlikun 0:13413ea9a877 322 }
ganlikun 0:13413ea9a877 323 #endif
ganlikun 0:13413ea9a877 324
ganlikun 0:13413ea9a877 325 #endif /* __STM32F4xx_LL_UTILS_H */
ganlikun 0:13413ea9a877 326
ganlikun 0:13413ea9a877 327 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
ganlikun 0:13413ea9a877 328