mbed official / mbed-dev

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

cmsis/BUILD/mbed/TARGET_DISCO_F413ZH/TOOLCHAIN_ARM_MICRO/stm32f4xx_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 stm32f4xx_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</center></h2>
AnnaBridge 189:f392fc9709a3 22 *
AnnaBridge 189:f392fc9709a3 23 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 189:f392fc9709a3 24 * are permitted provided that the following conditions are met:
AnnaBridge 189:f392fc9709a3 25 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 189:f392fc9709a3 26 * this list of conditions and the following disclaimer.
AnnaBridge 189:f392fc9709a3 27 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 189:f392fc9709a3 28 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 189:f392fc9709a3 29 * and/or other materials provided with the distribution.
AnnaBridge 189:f392fc9709a3 30 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 189:f392fc9709a3 31 * may be used to endorse or promote products derived from this software
AnnaBridge 189:f392fc9709a3 32 * without specific prior written permission.
AnnaBridge 189:f392fc9709a3 33 *
AnnaBridge 189:f392fc9709a3 34 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 189:f392fc9709a3 35 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 189:f392fc9709a3 36 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 189:f392fc9709a3 37 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 189:f392fc9709a3 38 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 189:f392fc9709a3 39 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 189:f392fc9709a3 40 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 189:f392fc9709a3 41 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 189:f392fc9709a3 42 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 189:f392fc9709a3 43 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 189:f392fc9709a3 44 *
AnnaBridge 189:f392fc9709a3 45 ******************************************************************************
AnnaBridge 189:f392fc9709a3 46 */
AnnaBridge 189:f392fc9709a3 47
AnnaBridge 189:f392fc9709a3 48 /* Define to prevent recursive inclusion -------------------------------------*/
AnnaBridge 189:f392fc9709a3 49 #ifndef __STM32F4xx_LL_UTILS_H
AnnaBridge 189:f392fc9709a3 50 #define __STM32F4xx_LL_UTILS_H
AnnaBridge 189:f392fc9709a3 51
AnnaBridge 189:f392fc9709a3 52 #ifdef __cplusplus
AnnaBridge 189:f392fc9709a3 53 extern "C" {
AnnaBridge 189:f392fc9709a3 54 #endif
AnnaBridge 189:f392fc9709a3 55
AnnaBridge 189:f392fc9709a3 56 /* Includes ------------------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 57 #include "stm32f4xx.h"
AnnaBridge 189:f392fc9709a3 58
AnnaBridge 189:f392fc9709a3 59 /** @addtogroup STM32F4xx_LL_Driver
AnnaBridge 189:f392fc9709a3 60 * @{
AnnaBridge 189:f392fc9709a3 61 */
AnnaBridge 189:f392fc9709a3 62
AnnaBridge 189:f392fc9709a3 63 /** @defgroup UTILS_LL UTILS
AnnaBridge 189:f392fc9709a3 64 * @{
AnnaBridge 189:f392fc9709a3 65 */
AnnaBridge 189:f392fc9709a3 66
AnnaBridge 189:f392fc9709a3 67 /* Private types -------------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 68 /* Private variables ---------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 69
AnnaBridge 189:f392fc9709a3 70 /* Private constants ---------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 71 /** @defgroup UTILS_LL_Private_Constants UTILS Private Constants
AnnaBridge 189:f392fc9709a3 72 * @{
AnnaBridge 189:f392fc9709a3 73 */
AnnaBridge 189:f392fc9709a3 74
AnnaBridge 189:f392fc9709a3 75 /* Max delay can be used in LL_mDelay */
AnnaBridge 189:f392fc9709a3 76 #define LL_MAX_DELAY 0xFFFFFFFFU
AnnaBridge 189:f392fc9709a3 77
AnnaBridge 189:f392fc9709a3 78 /**
AnnaBridge 189:f392fc9709a3 79 * @brief Unique device ID register base address
AnnaBridge 189:f392fc9709a3 80 */
AnnaBridge 189:f392fc9709a3 81 #define UID_BASE_ADDRESS UID_BASE
AnnaBridge 189:f392fc9709a3 82
AnnaBridge 189:f392fc9709a3 83 /**
AnnaBridge 189:f392fc9709a3 84 * @brief Flash size data register base address
AnnaBridge 189:f392fc9709a3 85 */
AnnaBridge 189:f392fc9709a3 86 #define FLASHSIZE_BASE_ADDRESS FLASHSIZE_BASE
AnnaBridge 189:f392fc9709a3 87
AnnaBridge 189:f392fc9709a3 88 /**
AnnaBridge 189:f392fc9709a3 89 * @brief Package data register base address
AnnaBridge 189:f392fc9709a3 90 */
AnnaBridge 189:f392fc9709a3 91 #define PACKAGE_BASE_ADDRESS PACKAGE_BASE
AnnaBridge 189:f392fc9709a3 92
AnnaBridge 189:f392fc9709a3 93 /**
AnnaBridge 189:f392fc9709a3 94 * @}
AnnaBridge 189:f392fc9709a3 95 */
AnnaBridge 189:f392fc9709a3 96
AnnaBridge 189:f392fc9709a3 97 /* Private macros ------------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 98 /** @defgroup UTILS_LL_Private_Macros UTILS Private Macros
AnnaBridge 189:f392fc9709a3 99 * @{
AnnaBridge 189:f392fc9709a3 100 */
AnnaBridge 189:f392fc9709a3 101 /**
AnnaBridge 189:f392fc9709a3 102 * @}
AnnaBridge 189:f392fc9709a3 103 */
AnnaBridge 189:f392fc9709a3 104 /* Exported types ------------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 105 /** @defgroup UTILS_LL_ES_INIT UTILS Exported structures
AnnaBridge 189:f392fc9709a3 106 * @{
AnnaBridge 189:f392fc9709a3 107 */
AnnaBridge 189:f392fc9709a3 108 /**
AnnaBridge 189:f392fc9709a3 109 * @brief UTILS PLL structure definition
AnnaBridge 189:f392fc9709a3 110 */
AnnaBridge 189:f392fc9709a3 111 typedef struct
AnnaBridge 189:f392fc9709a3 112 {
AnnaBridge 189:f392fc9709a3 113 uint32_t PLLM; /*!< Division factor for PLL VCO input clock.
AnnaBridge 189:f392fc9709a3 114 This parameter can be a value of @ref RCC_LL_EC_PLLM_DIV
AnnaBridge 189:f392fc9709a3 115
AnnaBridge 189:f392fc9709a3 116 This feature can be modified afterwards using unitary function
AnnaBridge 189:f392fc9709a3 117 @ref LL_RCC_PLL_ConfigDomain_SYS(). */
AnnaBridge 189:f392fc9709a3 118
AnnaBridge 189:f392fc9709a3 119 uint32_t PLLN; /*!< Multiplication factor for PLL VCO output clock.
AnnaBridge 189:f392fc9709a3 120 This parameter must be a number between Min_Data = @ref RCC_PLLN_MIN_VALUE
AnnaBridge 189:f392fc9709a3 121 and Max_Data = @ref RCC_PLLN_MIN_VALUE
AnnaBridge 189:f392fc9709a3 122
AnnaBridge 189:f392fc9709a3 123 This feature can be modified afterwards using unitary function
AnnaBridge 189:f392fc9709a3 124 @ref LL_RCC_PLL_ConfigDomain_SYS(). */
AnnaBridge 189:f392fc9709a3 125
AnnaBridge 189:f392fc9709a3 126 uint32_t PLLP; /*!< Division for the main system clock.
AnnaBridge 189:f392fc9709a3 127 This parameter can be a value of @ref RCC_LL_EC_PLLP_DIV
AnnaBridge 189:f392fc9709a3 128
AnnaBridge 189:f392fc9709a3 129 This feature can be modified afterwards using unitary function
AnnaBridge 189:f392fc9709a3 130 @ref LL_RCC_PLL_ConfigDomain_SYS(). */
AnnaBridge 189:f392fc9709a3 131 } LL_UTILS_PLLInitTypeDef;
AnnaBridge 189:f392fc9709a3 132
AnnaBridge 189:f392fc9709a3 133 /**
AnnaBridge 189:f392fc9709a3 134 * @brief UTILS System, AHB and APB buses clock configuration structure definition
AnnaBridge 189:f392fc9709a3 135 */
AnnaBridge 189:f392fc9709a3 136 typedef struct
AnnaBridge 189:f392fc9709a3 137 {
AnnaBridge 189:f392fc9709a3 138 uint32_t AHBCLKDivider; /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
AnnaBridge 189:f392fc9709a3 139 This parameter can be a value of @ref RCC_LL_EC_SYSCLK_DIV
AnnaBridge 189:f392fc9709a3 140
AnnaBridge 189:f392fc9709a3 141 This feature can be modified afterwards using unitary function
AnnaBridge 189:f392fc9709a3 142 @ref LL_RCC_SetAHBPrescaler(). */
AnnaBridge 189:f392fc9709a3 143
AnnaBridge 189:f392fc9709a3 144 uint32_t APB1CLKDivider; /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
AnnaBridge 189:f392fc9709a3 145 This parameter can be a value of @ref RCC_LL_EC_APB1_DIV
AnnaBridge 189:f392fc9709a3 146
AnnaBridge 189:f392fc9709a3 147 This feature can be modified afterwards using unitary function
AnnaBridge 189:f392fc9709a3 148 @ref LL_RCC_SetAPB1Prescaler(). */
AnnaBridge 189:f392fc9709a3 149
AnnaBridge 189:f392fc9709a3 150 uint32_t APB2CLKDivider; /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
AnnaBridge 189:f392fc9709a3 151 This parameter can be a value of @ref RCC_LL_EC_APB2_DIV
AnnaBridge 189:f392fc9709a3 152
AnnaBridge 189:f392fc9709a3 153 This feature can be modified afterwards using unitary function
AnnaBridge 189:f392fc9709a3 154 @ref LL_RCC_SetAPB2Prescaler(). */
AnnaBridge 189:f392fc9709a3 155
AnnaBridge 189:f392fc9709a3 156 } LL_UTILS_ClkInitTypeDef;
AnnaBridge 189:f392fc9709a3 157
AnnaBridge 189:f392fc9709a3 158 /**
AnnaBridge 189:f392fc9709a3 159 * @}
AnnaBridge 189:f392fc9709a3 160 */
AnnaBridge 189:f392fc9709a3 161
AnnaBridge 189:f392fc9709a3 162 /* Exported constants --------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 163 /** @defgroup UTILS_LL_Exported_Constants UTILS Exported Constants
AnnaBridge 189:f392fc9709a3 164 * @{
AnnaBridge 189:f392fc9709a3 165 */
AnnaBridge 189:f392fc9709a3 166
AnnaBridge 189:f392fc9709a3 167 /** @defgroup UTILS_EC_HSE_BYPASS HSE Bypass activation
AnnaBridge 189:f392fc9709a3 168 * @{
AnnaBridge 189:f392fc9709a3 169 */
AnnaBridge 189:f392fc9709a3 170 #define LL_UTILS_HSEBYPASS_OFF 0x00000000U /*!< HSE Bypass is not enabled */
AnnaBridge 189:f392fc9709a3 171 #define LL_UTILS_HSEBYPASS_ON 0x00000001U /*!< HSE Bypass is enabled */
AnnaBridge 189:f392fc9709a3 172 /**
AnnaBridge 189:f392fc9709a3 173 * @}
AnnaBridge 189:f392fc9709a3 174 */
AnnaBridge 189:f392fc9709a3 175
AnnaBridge 189:f392fc9709a3 176 /** @defgroup UTILS_EC_PACKAGETYPE PACKAGE TYPE
AnnaBridge 189:f392fc9709a3 177 * @{
AnnaBridge 189:f392fc9709a3 178 */
AnnaBridge 189:f392fc9709a3 179 #define LL_UTILS_PACKAGETYPE_WLCSP36_UFQFPN48_LQFP64 0x00000000U /*!< WLCSP36 or UFQFPN48 or LQFP64 package type */
AnnaBridge 189:f392fc9709a3 180 #define LL_UTILS_PACKAGETYPE_WLCSP168_FBGA169_LQFP100_LQFP64_UFQFPN48 0x00000100U /*!< WLCSP168 or FBGA169 or LQFP100 or LQFP64 or UFQFPN48 package type */
AnnaBridge 189:f392fc9709a3 181 #define LL_UTILS_PACKAGETYPE_WLCSP64_WLCSP81_LQFP176_UFBGA176 0x00000200U /*!< WLCSP64 or WLCSP81 or LQFP176 or UFBGA176 package type */
AnnaBridge 189:f392fc9709a3 182 #define LL_UTILS_PACKAGETYPE_LQFP144_UFBGA144_UFBGA144_UFBGA100 0x00000300U /*!< LQFP144 or UFBGA144 or UFBGA144 or UFBGA100 package type */
AnnaBridge 189:f392fc9709a3 183 #define LL_UTILS_PACKAGETYPE_LQFP100_LQFP208_TFBGA216 0x00000400U /*!< LQFP100 or LQFP208 or TFBGA216 package type */
AnnaBridge 189:f392fc9709a3 184 #define LL_UTILS_PACKAGETYPE_LQFP208_TFBGA216 0x00000500U /*!< LQFP208 or TFBGA216 package type */
AnnaBridge 189:f392fc9709a3 185 #define LL_UTILS_PACKAGETYPE_TQFP64_UFBGA144_LQFP144 0x00000700U /*!< TQFP64 or UFBGA144 or LQFP144 package type */
AnnaBridge 189:f392fc9709a3 186 /**
AnnaBridge 189:f392fc9709a3 187 * @}
AnnaBridge 189:f392fc9709a3 188 */
AnnaBridge 189:f392fc9709a3 189
AnnaBridge 189:f392fc9709a3 190 /**
AnnaBridge 189:f392fc9709a3 191 * @}
AnnaBridge 189:f392fc9709a3 192 */
AnnaBridge 189:f392fc9709a3 193
AnnaBridge 189:f392fc9709a3 194 /* Exported macro ------------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 195
AnnaBridge 189:f392fc9709a3 196 /* Exported functions --------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 197 /** @defgroup UTILS_LL_Exported_Functions UTILS Exported Functions
AnnaBridge 189:f392fc9709a3 198 * @{
AnnaBridge 189:f392fc9709a3 199 */
AnnaBridge 189:f392fc9709a3 200
AnnaBridge 189:f392fc9709a3 201 /** @defgroup UTILS_EF_DEVICE_ELECTRONIC_SIGNATURE DEVICE ELECTRONIC SIGNATURE
AnnaBridge 189:f392fc9709a3 202 * @{
AnnaBridge 189:f392fc9709a3 203 */
AnnaBridge 189:f392fc9709a3 204
AnnaBridge 189:f392fc9709a3 205 /**
AnnaBridge 189:f392fc9709a3 206 * @brief Get Word0 of the unique device identifier (UID based on 96 bits)
AnnaBridge 189:f392fc9709a3 207 * @retval UID[31:0]
AnnaBridge 189:f392fc9709a3 208 */
AnnaBridge 189:f392fc9709a3 209 __STATIC_INLINE uint32_t LL_GetUID_Word0(void)
AnnaBridge 189:f392fc9709a3 210 {
AnnaBridge 189:f392fc9709a3 211 return (uint32_t)(READ_REG(*((uint32_t *)UID_BASE_ADDRESS)));
AnnaBridge 189:f392fc9709a3 212 }
AnnaBridge 189:f392fc9709a3 213
AnnaBridge 189:f392fc9709a3 214 /**
AnnaBridge 189:f392fc9709a3 215 * @brief Get Word1 of the unique device identifier (UID based on 96 bits)
AnnaBridge 189:f392fc9709a3 216 * @retval UID[63:32]
AnnaBridge 189:f392fc9709a3 217 */
AnnaBridge 189:f392fc9709a3 218 __STATIC_INLINE uint32_t LL_GetUID_Word1(void)
AnnaBridge 189:f392fc9709a3 219 {
AnnaBridge 189:f392fc9709a3 220 return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 4U))));
AnnaBridge 189:f392fc9709a3 221 }
AnnaBridge 189:f392fc9709a3 222
AnnaBridge 189:f392fc9709a3 223 /**
AnnaBridge 189:f392fc9709a3 224 * @brief Get Word2 of the unique device identifier (UID based on 96 bits)
AnnaBridge 189:f392fc9709a3 225 * @retval UID[95:64]
AnnaBridge 189:f392fc9709a3 226 */
AnnaBridge 189:f392fc9709a3 227 __STATIC_INLINE uint32_t LL_GetUID_Word2(void)
AnnaBridge 189:f392fc9709a3 228 {
AnnaBridge 189:f392fc9709a3 229 return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 8U))));
AnnaBridge 189:f392fc9709a3 230 }
AnnaBridge 189:f392fc9709a3 231
AnnaBridge 189:f392fc9709a3 232 /**
AnnaBridge 189:f392fc9709a3 233 * @brief Get Flash memory size
AnnaBridge 189:f392fc9709a3 234 * @note This bitfield indicates the size of the device Flash memory expressed in
AnnaBridge 189:f392fc9709a3 235 * Kbytes. As an example, 0x040 corresponds to 64 Kbytes.
AnnaBridge 189:f392fc9709a3 236 * @retval FLASH_SIZE[15:0]: Flash memory size
AnnaBridge 189:f392fc9709a3 237 */
AnnaBridge 189:f392fc9709a3 238 __STATIC_INLINE uint32_t LL_GetFlashSize(void)
AnnaBridge 189:f392fc9709a3 239 {
AnnaBridge 189:f392fc9709a3 240 return (uint16_t)(READ_REG(*((uint32_t *)FLASHSIZE_BASE_ADDRESS)));
AnnaBridge 189:f392fc9709a3 241 }
AnnaBridge 189:f392fc9709a3 242
AnnaBridge 189:f392fc9709a3 243 /**
AnnaBridge 189:f392fc9709a3 244 * @brief Get Package type
AnnaBridge 189:f392fc9709a3 245 * @retval Returned value can be one of the following values:
AnnaBridge 189:f392fc9709a3 246 * @arg @ref LL_UTILS_PACKAGETYPE_WLCSP36_UFQFPN48_LQFP64 (*)
AnnaBridge 189:f392fc9709a3 247 * @arg @ref LL_UTILS_PACKAGETYPE_WLCSP168_FBGA169_LQFP100_LQFP64_UFQFPN48 (*)
AnnaBridge 189:f392fc9709a3 248 * @arg @ref LL_UTILS_PACKAGETYPE_WLCSP64_WLCSP81_LQFP176_UFBGA176 (*)
AnnaBridge 189:f392fc9709a3 249 * @arg @ref LL_UTILS_PACKAGETYPE_LQFP144_UFBGA144_UFBGA144_UFBGA100 (*)
AnnaBridge 189:f392fc9709a3 250 * @arg @ref LL_UTILS_PACKAGETYPE_LQFP100_LQFP208_TFBGA216 (*)
AnnaBridge 189:f392fc9709a3 251 * @arg @ref LL_UTILS_PACKAGETYPE_LQFP208_TFBGA216 (*)
AnnaBridge 189:f392fc9709a3 252 * @arg @ref LL_UTILS_PACKAGETYPE_TQFP64_UFBGA144_LQFP144 (*)
AnnaBridge 189:f392fc9709a3 253 *
AnnaBridge 189:f392fc9709a3 254 * (*) value not defined in all devices.
AnnaBridge 189:f392fc9709a3 255 */
AnnaBridge 189:f392fc9709a3 256 __STATIC_INLINE uint32_t LL_GetPackageType(void)
AnnaBridge 189:f392fc9709a3 257 {
AnnaBridge 189:f392fc9709a3 258 return (uint8_t)(READ_REG(*((uint32_t *)PACKAGE_BASE_ADDRESS)) & 0x0700U);
AnnaBridge 189:f392fc9709a3 259 }
AnnaBridge 189:f392fc9709a3 260
AnnaBridge 189:f392fc9709a3 261 /**
AnnaBridge 189:f392fc9709a3 262 * @}
AnnaBridge 189:f392fc9709a3 263 */
AnnaBridge 189:f392fc9709a3 264
AnnaBridge 189:f392fc9709a3 265 /** @defgroup UTILS_LL_EF_DELAY DELAY
AnnaBridge 189:f392fc9709a3 266 * @{
AnnaBridge 189:f392fc9709a3 267 */
AnnaBridge 189:f392fc9709a3 268
AnnaBridge 189:f392fc9709a3 269 /**
AnnaBridge 189:f392fc9709a3 270 * @brief This function configures the Cortex-M SysTick source of the time base.
AnnaBridge 189:f392fc9709a3 271 * @param HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro)
AnnaBridge 189:f392fc9709a3 272 * @note When a RTOS is used, it is recommended to avoid changing the SysTick
AnnaBridge 189:f392fc9709a3 273 * configuration by calling this function, for a delay use rather osDelay RTOS service.
AnnaBridge 189:f392fc9709a3 274 * @param Ticks Number of ticks
AnnaBridge 189:f392fc9709a3 275 * @retval None
AnnaBridge 189:f392fc9709a3 276 */
AnnaBridge 189:f392fc9709a3 277 __STATIC_INLINE void LL_InitTick(uint32_t HCLKFrequency, uint32_t Ticks)
AnnaBridge 189:f392fc9709a3 278 {
AnnaBridge 189:f392fc9709a3 279 /* Configure the SysTick to have interrupt in 1ms time base */
AnnaBridge 189:f392fc9709a3 280 SysTick->LOAD = (uint32_t)((HCLKFrequency / Ticks) - 1UL); /* set reload register */
AnnaBridge 189:f392fc9709a3 281 SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
AnnaBridge 189:f392fc9709a3 282 SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
AnnaBridge 189:f392fc9709a3 283 SysTick_CTRL_ENABLE_Msk; /* Enable the Systick Timer */
AnnaBridge 189:f392fc9709a3 284 }
AnnaBridge 189:f392fc9709a3 285
AnnaBridge 189:f392fc9709a3 286 void LL_Init1msTick(uint32_t HCLKFrequency);
AnnaBridge 189:f392fc9709a3 287 void LL_mDelay(uint32_t Delay);
AnnaBridge 189:f392fc9709a3 288
AnnaBridge 189:f392fc9709a3 289 /**
AnnaBridge 189:f392fc9709a3 290 * @}
AnnaBridge 189:f392fc9709a3 291 */
AnnaBridge 189:f392fc9709a3 292
AnnaBridge 189:f392fc9709a3 293 /** @defgroup UTILS_EF_SYSTEM SYSTEM
AnnaBridge 189:f392fc9709a3 294 * @{
AnnaBridge 189:f392fc9709a3 295 */
AnnaBridge 189:f392fc9709a3 296
AnnaBridge 189:f392fc9709a3 297 void LL_SetSystemCoreClock(uint32_t HCLKFrequency);
AnnaBridge 189:f392fc9709a3 298 ErrorStatus LL_PLL_ConfigSystemClock_HSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
AnnaBridge 189:f392fc9709a3 299 LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
AnnaBridge 189:f392fc9709a3 300 ErrorStatus LL_PLL_ConfigSystemClock_HSE(uint32_t HSEFrequency, uint32_t HSEBypass,
AnnaBridge 189:f392fc9709a3 301 LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
AnnaBridge 189:f392fc9709a3 302
AnnaBridge 189:f392fc9709a3 303 /**
AnnaBridge 189:f392fc9709a3 304 * @}
AnnaBridge 189:f392fc9709a3 305 */
AnnaBridge 189:f392fc9709a3 306
AnnaBridge 189:f392fc9709a3 307 /**
AnnaBridge 189:f392fc9709a3 308 * @}
AnnaBridge 189:f392fc9709a3 309 */
AnnaBridge 189:f392fc9709a3 310
AnnaBridge 189:f392fc9709a3 311 /**
AnnaBridge 189:f392fc9709a3 312 * @}
AnnaBridge 189:f392fc9709a3 313 */
AnnaBridge 189:f392fc9709a3 314
AnnaBridge 189:f392fc9709a3 315 /**
AnnaBridge 189:f392fc9709a3 316 * @}
AnnaBridge 189:f392fc9709a3 317 */
AnnaBridge 189:f392fc9709a3 318
AnnaBridge 189:f392fc9709a3 319 #ifdef __cplusplus
AnnaBridge 189:f392fc9709a3 320 }
AnnaBridge 189:f392fc9709a3 321 #endif
AnnaBridge 189:f392fc9709a3 322
AnnaBridge 189:f392fc9709a3 323 #endif /* __STM32F4xx_LL_UTILS_H */
AnnaBridge 189:f392fc9709a3 324
AnnaBridge 189:f392fc9709a3 325 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/