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TARGET_NUCLEO_L4R5ZI_P/TOOLCHAIN_ARM_STD/stm32l4xx_ll_utils.h@172:65be27845400, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 20:53:29 2019 +0000
Revision:
172:65be27845400
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 172:65be27845400 1 /**
AnnaBridge 172:65be27845400 2 ******************************************************************************
AnnaBridge 172:65be27845400 3 * @file stm32l4xx_ll_utils.h
AnnaBridge 172:65be27845400 4 * @author MCD Application Team
AnnaBridge 172:65be27845400 5 * @brief Header file of UTILS LL module.
AnnaBridge 172:65be27845400 6 @verbatim
AnnaBridge 172:65be27845400 7 ==============================================================================
AnnaBridge 172:65be27845400 8 ##### How to use this driver #####
AnnaBridge 172:65be27845400 9 ==============================================================================
AnnaBridge 172:65be27845400 10 [..]
AnnaBridge 172:65be27845400 11 The LL UTILS driver contains a set of generic APIs that can be
AnnaBridge 172:65be27845400 12 used by user:
AnnaBridge 172:65be27845400 13 (+) Device electronic signature
AnnaBridge 172:65be27845400 14 (+) Timing functions
AnnaBridge 172:65be27845400 15 (+) PLL configuration functions
AnnaBridge 172:65be27845400 16
AnnaBridge 172:65be27845400 17 @endverbatim
AnnaBridge 172:65be27845400 18 ******************************************************************************
AnnaBridge 172:65be27845400 19 * @attention
AnnaBridge 172:65be27845400 20 *
AnnaBridge 172:65be27845400 21 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
AnnaBridge 172:65be27845400 22 *
AnnaBridge 172:65be27845400 23 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 172:65be27845400 24 * are permitted provided that the following conditions are met:
AnnaBridge 172:65be27845400 25 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 172:65be27845400 26 * this list of conditions and the following disclaimer.
AnnaBridge 172:65be27845400 27 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 172:65be27845400 28 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 172:65be27845400 29 * and/or other materials provided with the distribution.
AnnaBridge 172:65be27845400 30 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 172:65be27845400 31 * may be used to endorse or promote products derived from this software
AnnaBridge 172:65be27845400 32 * without specific prior written permission.
AnnaBridge 172:65be27845400 33 *
AnnaBridge 172:65be27845400 34 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 172:65be27845400 35 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 172:65be27845400 36 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 172:65be27845400 37 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 172:65be27845400 38 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 172:65be27845400 39 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 172:65be27845400 40 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 172:65be27845400 41 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 172:65be27845400 42 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 172:65be27845400 43 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 172:65be27845400 44 *
AnnaBridge 172:65be27845400 45 ******************************************************************************
AnnaBridge 172:65be27845400 46 */
AnnaBridge 172:65be27845400 47
AnnaBridge 172:65be27845400 48 /* Define to prevent recursive inclusion -------------------------------------*/
AnnaBridge 172:65be27845400 49 #ifndef __STM32L4xx_LL_UTILS_H
AnnaBridge 172:65be27845400 50 #define __STM32L4xx_LL_UTILS_H
AnnaBridge 172:65be27845400 51
AnnaBridge 172:65be27845400 52 #ifdef __cplusplus
AnnaBridge 172:65be27845400 53 extern "C" {
AnnaBridge 172:65be27845400 54 #endif
AnnaBridge 172:65be27845400 55
AnnaBridge 172:65be27845400 56 /* Includes ------------------------------------------------------------------*/
AnnaBridge 172:65be27845400 57 #include "stm32l4xx.h"
AnnaBridge 172:65be27845400 58
AnnaBridge 172:65be27845400 59 /** @addtogroup STM32L4xx_LL_Driver
AnnaBridge 172:65be27845400 60 * @{
AnnaBridge 172:65be27845400 61 */
AnnaBridge 172:65be27845400 62
AnnaBridge 172:65be27845400 63 /** @defgroup UTILS_LL UTILS
AnnaBridge 172:65be27845400 64 * @{
AnnaBridge 172:65be27845400 65 */
AnnaBridge 172:65be27845400 66
AnnaBridge 172:65be27845400 67 /* Private types -------------------------------------------------------------*/
AnnaBridge 172:65be27845400 68 /* Private variables ---------------------------------------------------------*/
AnnaBridge 172:65be27845400 69
AnnaBridge 172:65be27845400 70 /* Private constants ---------------------------------------------------------*/
AnnaBridge 172:65be27845400 71 /** @defgroup UTILS_LL_Private_Constants UTILS Private Constants
AnnaBridge 172:65be27845400 72 * @{
AnnaBridge 172:65be27845400 73 */
AnnaBridge 172:65be27845400 74
AnnaBridge 172:65be27845400 75 /* Max delay can be used in LL_mDelay */
AnnaBridge 172:65be27845400 76 #define LL_MAX_DELAY 0xFFFFFFFFU
AnnaBridge 172:65be27845400 77
AnnaBridge 172:65be27845400 78 /**
AnnaBridge 172:65be27845400 79 * @brief Unique device ID register base address
AnnaBridge 172:65be27845400 80 */
AnnaBridge 172:65be27845400 81 #define UID_BASE_ADDRESS UID_BASE
AnnaBridge 172:65be27845400 82
AnnaBridge 172:65be27845400 83 /**
AnnaBridge 172:65be27845400 84 * @brief Flash size data register base address
AnnaBridge 172:65be27845400 85 */
AnnaBridge 172:65be27845400 86 #define FLASHSIZE_BASE_ADDRESS FLASHSIZE_BASE
AnnaBridge 172:65be27845400 87
AnnaBridge 172:65be27845400 88 /**
AnnaBridge 172:65be27845400 89 * @brief Package data register base address
AnnaBridge 172:65be27845400 90 */
AnnaBridge 172:65be27845400 91 #define PACKAGE_BASE_ADDRESS PACKAGE_BASE
AnnaBridge 172:65be27845400 92
AnnaBridge 172:65be27845400 93 /**
AnnaBridge 172:65be27845400 94 * @}
AnnaBridge 172:65be27845400 95 */
AnnaBridge 172:65be27845400 96
AnnaBridge 172:65be27845400 97 /* Private macros ------------------------------------------------------------*/
AnnaBridge 172:65be27845400 98 /** @defgroup UTILS_LL_Private_Macros UTILS Private Macros
AnnaBridge 172:65be27845400 99 * @{
AnnaBridge 172:65be27845400 100 */
AnnaBridge 172:65be27845400 101 /**
AnnaBridge 172:65be27845400 102 * @}
AnnaBridge 172:65be27845400 103 */
AnnaBridge 172:65be27845400 104 /* Exported types ------------------------------------------------------------*/
AnnaBridge 172:65be27845400 105 /** @defgroup UTILS_LL_ES_INIT UTILS Exported structures
AnnaBridge 172:65be27845400 106 * @{
AnnaBridge 172:65be27845400 107 */
AnnaBridge 172:65be27845400 108 /**
AnnaBridge 172:65be27845400 109 * @brief UTILS PLL structure definition
AnnaBridge 172:65be27845400 110 */
AnnaBridge 172:65be27845400 111 typedef struct
AnnaBridge 172:65be27845400 112 {
AnnaBridge 172:65be27845400 113 uint32_t PLLM; /*!< Division factor for PLL VCO input clock.
AnnaBridge 172:65be27845400 114 This parameter can be a value of @ref RCC_LL_EC_PLLM_DIV
AnnaBridge 172:65be27845400 115
AnnaBridge 172:65be27845400 116 This feature can be modified afterwards using unitary function
AnnaBridge 172:65be27845400 117 @ref LL_RCC_PLL_ConfigDomain_SYS(). */
AnnaBridge 172:65be27845400 118
AnnaBridge 172:65be27845400 119 uint32_t PLLN; /*!< Multiplication factor for PLL VCO output clock.
AnnaBridge 172:65be27845400 120 This parameter must be a number between Min_Data = 8 and Max_Data = 86
AnnaBridge 172:65be27845400 121
AnnaBridge 172:65be27845400 122 This feature can be modified afterwards using unitary function
AnnaBridge 172:65be27845400 123 @ref LL_RCC_PLL_ConfigDomain_SYS(). */
AnnaBridge 172:65be27845400 124
AnnaBridge 172:65be27845400 125 uint32_t PLLR; /*!< Division for the main system clock.
AnnaBridge 172:65be27845400 126 This parameter can be a value of @ref RCC_LL_EC_PLLR_DIV
AnnaBridge 172:65be27845400 127
AnnaBridge 172:65be27845400 128 This feature can be modified afterwards using unitary function
AnnaBridge 172:65be27845400 129 @ref LL_RCC_PLL_ConfigDomain_SYS(). */
AnnaBridge 172:65be27845400 130 } LL_UTILS_PLLInitTypeDef;
AnnaBridge 172:65be27845400 131
AnnaBridge 172:65be27845400 132 /**
AnnaBridge 172:65be27845400 133 * @brief UTILS System, AHB and APB buses clock configuration structure definition
AnnaBridge 172:65be27845400 134 */
AnnaBridge 172:65be27845400 135 typedef struct
AnnaBridge 172:65be27845400 136 {
AnnaBridge 172:65be27845400 137 uint32_t AHBCLKDivider; /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
AnnaBridge 172:65be27845400 138 This parameter can be a value of @ref RCC_LL_EC_SYSCLK_DIV
AnnaBridge 172:65be27845400 139
AnnaBridge 172:65be27845400 140 This feature can be modified afterwards using unitary function
AnnaBridge 172:65be27845400 141 @ref LL_RCC_SetAHBPrescaler(). */
AnnaBridge 172:65be27845400 142
AnnaBridge 172:65be27845400 143 uint32_t APB1CLKDivider; /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
AnnaBridge 172:65be27845400 144 This parameter can be a value of @ref RCC_LL_EC_APB1_DIV
AnnaBridge 172:65be27845400 145
AnnaBridge 172:65be27845400 146 This feature can be modified afterwards using unitary function
AnnaBridge 172:65be27845400 147 @ref LL_RCC_SetAPB1Prescaler(). */
AnnaBridge 172:65be27845400 148
AnnaBridge 172:65be27845400 149 uint32_t APB2CLKDivider; /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
AnnaBridge 172:65be27845400 150 This parameter can be a value of @ref RCC_LL_EC_APB2_DIV
AnnaBridge 172:65be27845400 151
AnnaBridge 172:65be27845400 152 This feature can be modified afterwards using unitary function
AnnaBridge 172:65be27845400 153 @ref LL_RCC_SetAPB2Prescaler(). */
AnnaBridge 172:65be27845400 154
AnnaBridge 172:65be27845400 155 } LL_UTILS_ClkInitTypeDef;
AnnaBridge 172:65be27845400 156
AnnaBridge 172:65be27845400 157 /**
AnnaBridge 172:65be27845400 158 * @}
AnnaBridge 172:65be27845400 159 */
AnnaBridge 172:65be27845400 160
AnnaBridge 172:65be27845400 161 /* Exported constants --------------------------------------------------------*/
AnnaBridge 172:65be27845400 162 /** @defgroup UTILS_LL_Exported_Constants UTILS Exported Constants
AnnaBridge 172:65be27845400 163 * @{
AnnaBridge 172:65be27845400 164 */
AnnaBridge 172:65be27845400 165
AnnaBridge 172:65be27845400 166 /** @defgroup UTILS_EC_HSE_BYPASS HSE Bypass activation
AnnaBridge 172:65be27845400 167 * @{
AnnaBridge 172:65be27845400 168 */
AnnaBridge 172:65be27845400 169 #define LL_UTILS_HSEBYPASS_OFF 0x00000000U /*!< HSE Bypass is not enabled */
AnnaBridge 172:65be27845400 170 #define LL_UTILS_HSEBYPASS_ON 0x00000001U /*!< HSE Bypass is enabled */
AnnaBridge 172:65be27845400 171 /**
AnnaBridge 172:65be27845400 172 * @}
AnnaBridge 172:65be27845400 173 */
AnnaBridge 172:65be27845400 174
AnnaBridge 172:65be27845400 175 /** @defgroup UTILS_EC_PACKAGETYPE PACKAGE TYPE
AnnaBridge 172:65be27845400 176 * @{
AnnaBridge 172:65be27845400 177 */
AnnaBridge 172:65be27845400 178 #define LL_UTILS_PACKAGETYPE_LQFP64 0x00000000U /*!< LQFP64 package type */
AnnaBridge 172:65be27845400 179 #define LL_UTILS_PACKAGETYPE_WLCSP64 0x00000001U /*!< WLCSP64 package type */
AnnaBridge 172:65be27845400 180 #define LL_UTILS_PACKAGETYPE_LQFP100 0x00000002U /*!< LQFP100 package type */
AnnaBridge 172:65be27845400 181 #define LL_UTILS_PACKAGETYPE_BGA132 0x00000003U /*!< BGA132 package type */
AnnaBridge 172:65be27845400 182 #define LL_UTILS_PACKAGETYPE_LQFP144_CSP72 0x00000004U /*!< LQFP144, WLCSP81 or WLCSP72 package type */
AnnaBridge 172:65be27845400 183 #define LL_UTILS_PACKAGETYPE_UFQFPN32 0x00000008U /*!< UFQFPN32 package type */
AnnaBridge 172:65be27845400 184 #define LL_UTILS_PACKAGETYPE_UFQFPN48 0x0000000AU /*!< UFQFPN48 package type */
AnnaBridge 172:65be27845400 185 #define LL_UTILS_PACKAGETYPE_LQFP48 0x0000000BU /*!< LQFP48 package type */
AnnaBridge 172:65be27845400 186 #define LL_UTILS_PACKAGETYPE_WLCSP49 0x0000000CU /*!< WLCSP49 package type */
AnnaBridge 172:65be27845400 187 #define LL_UTILS_PACKAGETYPE_UFBGA64 0x0000000DU /*!< UFBGA64 package type */
AnnaBridge 172:65be27845400 188 #define LL_UTILS_PACKAGETYPE_UFBGA100 0x0000000EU /*!< UFBGA100 package type */
AnnaBridge 172:65be27845400 189 #define LL_UTILS_PACKAGETYPE_UFBGA169 0x00000010U /*!< UFBGA169 package type */
AnnaBridge 172:65be27845400 190 #define LL_UTILS_PACKAGETYPE_LQFP100_DSI 0x00000012U /*!< LQFP100 with DSI package type */
AnnaBridge 172:65be27845400 191 #define LL_UTILS_PACKAGETYPE_WLCSP144_DSI 0x00000013U /*!< WLCSP144 with DSI package type */
AnnaBridge 172:65be27845400 192 #define LL_UTILS_PACKAGETYPE_UFBGA144_DSI 0x00000013U /*!< UFBGA144 with DSI package type */
AnnaBridge 172:65be27845400 193 #define LL_UTILS_PACKAGETYPE_UFBGA169_DSI 0x00000014U /*!< UFBGA169 with DSI package type */
AnnaBridge 172:65be27845400 194 #define LL_UTILS_PACKAGETYPE_LQFP144_DSI 0x00000015U /*!< LQFP144 with DSI package type */
AnnaBridge 172:65be27845400 195 /**
AnnaBridge 172:65be27845400 196 * @}
AnnaBridge 172:65be27845400 197 */
AnnaBridge 172:65be27845400 198
AnnaBridge 172:65be27845400 199 /**
AnnaBridge 172:65be27845400 200 * @}
AnnaBridge 172:65be27845400 201 */
AnnaBridge 172:65be27845400 202
AnnaBridge 172:65be27845400 203 /* Exported macro ------------------------------------------------------------*/
AnnaBridge 172:65be27845400 204
AnnaBridge 172:65be27845400 205 /* Exported functions --------------------------------------------------------*/
AnnaBridge 172:65be27845400 206 /** @defgroup UTILS_LL_Exported_Functions UTILS Exported Functions
AnnaBridge 172:65be27845400 207 * @{
AnnaBridge 172:65be27845400 208 */
AnnaBridge 172:65be27845400 209
AnnaBridge 172:65be27845400 210 /** @defgroup UTILS_EF_DEVICE_ELECTRONIC_SIGNATURE DEVICE ELECTRONIC SIGNATURE
AnnaBridge 172:65be27845400 211 * @{
AnnaBridge 172:65be27845400 212 */
AnnaBridge 172:65be27845400 213
AnnaBridge 172:65be27845400 214 /**
AnnaBridge 172:65be27845400 215 * @brief Get Word0 of the unique device identifier (UID based on 96 bits)
AnnaBridge 172:65be27845400 216 * @retval UID[31:0]: X and Y coordinates on the wafer expressed in BCD format
AnnaBridge 172:65be27845400 217 */
AnnaBridge 172:65be27845400 218 __STATIC_INLINE uint32_t LL_GetUID_Word0(void)
AnnaBridge 172:65be27845400 219 {
AnnaBridge 172:65be27845400 220 return (uint32_t)(READ_REG(*((uint32_t *)UID_BASE_ADDRESS)));
AnnaBridge 172:65be27845400 221 }
AnnaBridge 172:65be27845400 222
AnnaBridge 172:65be27845400 223 /**
AnnaBridge 172:65be27845400 224 * @brief Get Word1 of the unique device identifier (UID based on 96 bits)
AnnaBridge 172:65be27845400 225 * @retval UID[63:32]: Wafer number (UID[39:32]) & LOT_NUM[23:0] (UID[63:40])
AnnaBridge 172:65be27845400 226 */
AnnaBridge 172:65be27845400 227 __STATIC_INLINE uint32_t LL_GetUID_Word1(void)
AnnaBridge 172:65be27845400 228 {
AnnaBridge 172:65be27845400 229 return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 4U))));
AnnaBridge 172:65be27845400 230 }
AnnaBridge 172:65be27845400 231
AnnaBridge 172:65be27845400 232 /**
AnnaBridge 172:65be27845400 233 * @brief Get Word2 of the unique device identifier (UID based on 96 bits)
AnnaBridge 172:65be27845400 234 * @retval UID[95:64]: Lot number (ASCII encoded) - LOT_NUM[55:24]
AnnaBridge 172:65be27845400 235 */
AnnaBridge 172:65be27845400 236 __STATIC_INLINE uint32_t LL_GetUID_Word2(void)
AnnaBridge 172:65be27845400 237 {
AnnaBridge 172:65be27845400 238 return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 8U))));
AnnaBridge 172:65be27845400 239 }
AnnaBridge 172:65be27845400 240
AnnaBridge 172:65be27845400 241 /**
AnnaBridge 172:65be27845400 242 * @brief Get Flash memory size
AnnaBridge 172:65be27845400 243 * @note This bitfield indicates the size of the device Flash memory expressed in
AnnaBridge 172:65be27845400 244 * Kbytes. As an example, 0x040 corresponds to 64 Kbytes.
AnnaBridge 172:65be27845400 245 * @retval FLASH_SIZE[15:0]: Flash memory size
AnnaBridge 172:65be27845400 246 */
AnnaBridge 172:65be27845400 247 __STATIC_INLINE uint32_t LL_GetFlashSize(void)
AnnaBridge 172:65be27845400 248 {
AnnaBridge 172:65be27845400 249 return (uint32_t)(READ_REG(*((uint32_t *)FLASHSIZE_BASE_ADDRESS)) & 0xFFFFU);
AnnaBridge 172:65be27845400 250 }
AnnaBridge 172:65be27845400 251
AnnaBridge 172:65be27845400 252 /**
AnnaBridge 172:65be27845400 253 * @brief Get Package type
AnnaBridge 172:65be27845400 254 * @retval Returned value can be one of the following values:
AnnaBridge 172:65be27845400 255 * @arg @ref LL_UTILS_PACKAGETYPE_LQFP64 (*)
AnnaBridge 172:65be27845400 256 * @arg @ref LL_UTILS_PACKAGETYPE_LQFP100 (*)
AnnaBridge 172:65be27845400 257 * @arg @ref LL_UTILS_PACKAGETYPE_BGA132 (*)
AnnaBridge 172:65be27845400 258 * @arg @ref LL_UTILS_PACKAGETYPE_LQFP144_CSP72 (*)
AnnaBridge 172:65be27845400 259 * @arg @ref LL_UTILS_PACKAGETYPE_UFQFPN32 (*)
AnnaBridge 172:65be27845400 260 * @arg @ref LL_UTILS_PACKAGETYPE_UFQFPN48 (*)
AnnaBridge 172:65be27845400 261 * @arg @ref LL_UTILS_PACKAGETYPE_LQFP48 (*)
AnnaBridge 172:65be27845400 262 * @arg @ref LL_UTILS_PACKAGETYPE_WLCSP49 (*)
AnnaBridge 172:65be27845400 263 * @arg @ref LL_UTILS_PACKAGETYPE_UFBGA64 (*)
AnnaBridge 172:65be27845400 264 * @arg @ref LL_UTILS_PACKAGETYPE_UFBGA100 (*)
AnnaBridge 172:65be27845400 265 * @arg @ref LL_UTILS_PACKAGETYPE_UFBGA169 (*)
AnnaBridge 172:65be27845400 266 * @arg @ref LL_UTILS_PACKAGETYPE_LQFP100_DSI (*)
AnnaBridge 172:65be27845400 267 * @arg @ref LL_UTILS_PACKAGETYPE_WLCSP144_DSI (*)
AnnaBridge 172:65be27845400 268 * @arg @ref LL_UTILS_PACKAGETYPE_UFBGA144_DSI (*)
AnnaBridge 172:65be27845400 269 * @arg @ref LL_UTILS_PACKAGETYPE_UFBGA169_DSI (*)
AnnaBridge 172:65be27845400 270 * @arg @ref LL_UTILS_PACKAGETYPE_LQFP144_DSI (*)
AnnaBridge 172:65be27845400 271 *
AnnaBridge 172:65be27845400 272 * (*) value not defined in all devices.
AnnaBridge 172:65be27845400 273 */
AnnaBridge 172:65be27845400 274 __STATIC_INLINE uint32_t LL_GetPackageType(void)
AnnaBridge 172:65be27845400 275 {
AnnaBridge 172:65be27845400 276 return (uint32_t)(READ_REG(*((uint32_t *)PACKAGE_BASE_ADDRESS)) & 0x1FU);
AnnaBridge 172:65be27845400 277 }
AnnaBridge 172:65be27845400 278
AnnaBridge 172:65be27845400 279 /**
AnnaBridge 172:65be27845400 280 * @}
AnnaBridge 172:65be27845400 281 */
AnnaBridge 172:65be27845400 282
AnnaBridge 172:65be27845400 283 /** @defgroup UTILS_LL_EF_DELAY DELAY
AnnaBridge 172:65be27845400 284 * @{
AnnaBridge 172:65be27845400 285 */
AnnaBridge 172:65be27845400 286
AnnaBridge 172:65be27845400 287 /**
AnnaBridge 172:65be27845400 288 * @brief This function configures the Cortex-M SysTick source of the time base.
AnnaBridge 172:65be27845400 289 * @param HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro)
AnnaBridge 172:65be27845400 290 * @note When a RTOS is used, it is recommended to avoid changing the SysTick
AnnaBridge 172:65be27845400 291 * configuration by calling this function, for a delay use rather osDelay RTOS service.
AnnaBridge 172:65be27845400 292 * @param Ticks Number of ticks
AnnaBridge 172:65be27845400 293 * @retval None
AnnaBridge 172:65be27845400 294 */
AnnaBridge 172:65be27845400 295 __STATIC_INLINE void LL_InitTick(uint32_t HCLKFrequency, uint32_t Ticks)
AnnaBridge 172:65be27845400 296 {
AnnaBridge 172:65be27845400 297 /* Configure the SysTick to have interrupt in 1ms time base */
AnnaBridge 172:65be27845400 298 SysTick->LOAD = (uint32_t)((HCLKFrequency / Ticks) - 1UL); /* set reload register */
AnnaBridge 172:65be27845400 299 SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
AnnaBridge 172:65be27845400 300 SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
AnnaBridge 172:65be27845400 301 SysTick_CTRL_ENABLE_Msk; /* Enable the Systick Timer */
AnnaBridge 172:65be27845400 302 }
AnnaBridge 172:65be27845400 303
AnnaBridge 172:65be27845400 304 void LL_Init1msTick(uint32_t HCLKFrequency);
AnnaBridge 172:65be27845400 305 void LL_mDelay(uint32_t Delay);
AnnaBridge 172:65be27845400 306
AnnaBridge 172:65be27845400 307 /**
AnnaBridge 172:65be27845400 308 * @}
AnnaBridge 172:65be27845400 309 */
AnnaBridge 172:65be27845400 310
AnnaBridge 172:65be27845400 311 /** @defgroup UTILS_EF_SYSTEM SYSTEM
AnnaBridge 172:65be27845400 312 * @{
AnnaBridge 172:65be27845400 313 */
AnnaBridge 172:65be27845400 314
AnnaBridge 172:65be27845400 315 void LL_SetSystemCoreClock(uint32_t HCLKFrequency);
AnnaBridge 172:65be27845400 316 ErrorStatus LL_PLL_ConfigSystemClock_MSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
AnnaBridge 172:65be27845400 317 LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
AnnaBridge 172:65be27845400 318 ErrorStatus LL_PLL_ConfigSystemClock_HSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
AnnaBridge 172:65be27845400 319 LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
AnnaBridge 172:65be27845400 320 ErrorStatus LL_PLL_ConfigSystemClock_HSE(uint32_t HSEFrequency, uint32_t HSEBypass,
AnnaBridge 172:65be27845400 321 LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
AnnaBridge 172:65be27845400 322
AnnaBridge 172:65be27845400 323 /**
AnnaBridge 172:65be27845400 324 * @}
AnnaBridge 172:65be27845400 325 */
AnnaBridge 172:65be27845400 326
AnnaBridge 172:65be27845400 327 /**
AnnaBridge 172:65be27845400 328 * @}
AnnaBridge 172:65be27845400 329 */
AnnaBridge 172:65be27845400 330
AnnaBridge 172:65be27845400 331 /**
AnnaBridge 172:65be27845400 332 * @}
AnnaBridge 172:65be27845400 333 */
AnnaBridge 172:65be27845400 334
AnnaBridge 172:65be27845400 335 /**
AnnaBridge 172:65be27845400 336 * @}
AnnaBridge 172:65be27845400 337 */
AnnaBridge 172:65be27845400 338
AnnaBridge 172:65be27845400 339 #ifdef __cplusplus
AnnaBridge 172:65be27845400 340 }
AnnaBridge 172:65be27845400 341 #endif
AnnaBridge 172:65be27845400 342
AnnaBridge 172:65be27845400 343 #endif /* __STM32L4xx_LL_UTILS_H */
AnnaBridge 172:65be27845400 344
AnnaBridge 172:65be27845400 345 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/