STM32H735xx HAL User Manual
stm32h7xx_ll_utils.h
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00001 /**
00002   ******************************************************************************
00003   * @file    stm32h7xx_ll_utils.h
00004   * @author  MCD Application Team
00005   * @brief   Header file of UTILS LL module.
00006   ******************************************************************************
00007   * @attention
00008   * Copyright (c) 2017 STMicroelectronics.
00009   * All rights reserved.
00010   *
00011   * This software is licensed under terms that can be found in the LICENSE file in
00012   * the root directory of this software component.
00013   * If no LICENSE file comes with this software, it is provided AS-IS.
00014   *
00015   ******************************************************************************
00016   @verbatim
00017   ==============================================================================
00018                      ##### How to use this driver #####
00019   ==============================================================================
00020     [..]
00021     The LL UTILS driver contains a set of generic APIs that can be
00022     used by user:
00023       (+) Device electronic signature
00024       (+) Timing functions
00025       (+) PLL configuration functions
00026 
00027   @endverbatim
00028   ******************************************************************************
00029   */
00030 
00031 /* Define to prevent recursive inclusion -------------------------------------*/
00032 #ifndef STM32H7xx_LL_UTILS_H
00033 #define STM32H7xx_LL_UTILS_H
00034 
00035 #ifdef __cplusplus
00036 extern "C" {
00037 #endif
00038 
00039 /* Includes ------------------------------------------------------------------*/
00040 #include "stm32h7xx.h"
00041 #include "stm32h7xx_ll_system.h"
00042 #include "stm32h7xx_ll_bus.h"
00043 
00044 /** @addtogroup STM32H7xx_LL_Driver
00045   * @{
00046   */
00047 
00048 /** @defgroup UTILS_LL UTILS
00049   * @{
00050   */
00051 
00052 /* Private types -------------------------------------------------------------*/
00053 /* Private variables ---------------------------------------------------------*/
00054 
00055 /* Private constants ---------------------------------------------------------*/
00056 /** @defgroup UTILS_LL_Private_Constants UTILS Private Constants
00057   * @{
00058   */
00059 
00060 /* Max delay can be used in LL_mDelay */
00061 #define LL_MAX_DELAY                  0xFFFFFFFFU
00062 
00063 /**
00064  * @brief Unique device ID register base address
00065  */
00066 #define UID_BASE_ADDRESS              UID_BASE
00067 
00068 /**
00069  * @brief Flash size data register base address
00070  */
00071 #define FLASHSIZE_BASE_ADDRESS        FLASHSIZE_BASE
00072 
00073 /**
00074  * @brief Package data register base address
00075  */
00076 #define PACKAGE_BASE_ADDRESS          PACKAGE_BASE
00077 
00078 /**
00079   * @}
00080   */
00081 
00082 /* Private macros ------------------------------------------------------------*/
00083 /** @defgroup UTILS_LL_Private_Macros UTILS Private Macros
00084   * @{
00085   */
00086 /**
00087   * @}
00088   */
00089 /* Exported types ------------------------------------------------------------*/
00090 /** @defgroup UTILS_LL_ES_INIT UTILS Exported structures
00091   * @{
00092   */
00093 /**
00094   * @brief  UTILS PLL structure definition
00095   */
00096 typedef struct
00097 {
00098   uint32_t PLLM;   /*!< Division factor for PLL VCO input clock.
00099                         This parameter must be a number between Min_Data = 0 and Max_Data = 63
00100 
00101                         This feature can be modified afterwards using unitary function
00102                         @ref LL_RCC_PLL1_SetM(). */
00103 
00104   uint32_t PLLN;   /*!< Multiplication factor for PLL VCO output clock.
00105                         This parameter must be a number between Min_Data = 4 and Max_Data = 512
00106 
00107                         This feature can be modified afterwards using unitary function
00108                         @ref LL_RCC_PLL1_SetN(). */
00109 
00110   uint32_t PLLP;   /*!< Division for the main system clock.
00111                         This parameter must be a number between Min_Data = 2 and Max_Data = 128
00112                           odd division factors are not allowed
00113 
00114                         This feature can be modified afterwards using unitary function
00115                         @ref LL_RCC_PLL1_SetP(). */
00116 
00117   uint32_t FRACN;  /*!< Fractional part of the multiplication factor for PLL VCO.
00118                         This parameter can be a value between 0 and 8191
00119 
00120                         This feature can be modified afterwards using unitary function
00121                         @ref LL_RCC_PLL1_SetFRACN(). */
00122 
00123   uint32_t VCO_Input;  /*!< PLL clock Input range.
00124                         This parameter can be a value of @ref RCC_LL_EC_PLLINPUTRANGE
00125 
00126                         This feature can be modified afterwards using unitary function
00127                         @ref LL_RCC_PLL1_SetVCOInputRange(). */
00128 
00129   uint32_t VCO_Output;  /*!< PLL clock Output range.
00130                         This parameter can be a value of @ref RCC_LL_EC_PLLVCORANGE
00131 
00132                       This feature can be modified afterwards using unitary function
00133                       @ref LL_RCC_PLL1_SetVCOOutputRange(). */
00134 
00135 } LL_UTILS_PLLInitTypeDef;
00136 
00137 /**
00138   * @brief  UTILS System, AHB and APB buses clock configuration structure definition
00139   */
00140 typedef struct
00141 {
00142   uint32_t SYSCLKDivider;         /*!< The System clock (SYSCLK) divider. This clock is derived from the PLL output.
00143                                      This parameter can be a value of @ref RCC_LL_EC_SYSCLK_DIV
00144 
00145                                      This feature can be modified afterwards using unitary function
00146                                      @ref LL_RCC_SetSysPrescaler(). */
00147 
00148   uint32_t AHBCLKDivider;         /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
00149                                        This parameter can be a value of @ref RCC_LL_EC_AHB_DIV
00150 
00151                                        This feature can be modified afterwards using unitary function
00152                                        @ref LL_RCC_SetAHBPrescaler(). */
00153 
00154   uint32_t APB1CLKDivider;        /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
00155                                        This parameter can be a value of @ref RCC_LL_EC_APB1_DIV
00156 
00157                                        This feature can be modified afterwards using unitary function
00158                                        @ref LL_RCC_SetAPB1Prescaler(). */
00159 
00160   uint32_t APB2CLKDivider;        /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
00161                                        This parameter can be a value of @ref RCC_LL_EC_APB2_DIV
00162 
00163                                        This feature can be modified afterwards using unitary function
00164                                        @ref LL_RCC_SetAPB2Prescaler(). */
00165 
00166   uint32_t APB3CLKDivider;        /*!< The APB2 clock (PCLK3) divider. This clock is derived from the AHB clock (HCLK).
00167                                        This parameter can be a value of @ref RCC_LL_EC_APB3_DIV
00168 
00169                                        This feature can be modified afterwards using unitary function
00170                                        @ref LL_RCC_SetAPB3Prescaler(). */
00171 
00172   uint32_t APB4CLKDivider;        /*!< The APB4 clock (PCLK4) divider. This clock is derived from the AHB clock (HCLK).
00173                                        This parameter can be a value of @ref RCC_LL_EC_APB4_DIV
00174 
00175                                        This feature can be modified afterwards using unitary function
00176                                        @ref LL_RCC_SetAPB4Prescaler(). */
00177 
00178 } LL_UTILS_ClkInitTypeDef;
00179 
00180 /**
00181   * @}
00182   */
00183 
00184 /* Exported constants --------------------------------------------------------*/
00185 /** @defgroup UTILS_LL_Exported_Constants UTILS Exported Constants
00186   * @{
00187   */
00188 
00189 /** @defgroup UTILS_EC_HSE_BYPASS HSE Bypass activation
00190   * @{
00191   */
00192 #define LL_UTILS_HSEBYPASS_OFF        0x00000000U       /*!< HSE Bypass is not enabled                */
00193 #define LL_UTILS_HSEBYPASS_ON         0x00000001U       /*!< HSE Bypass is enabled                    */
00194 /**
00195   * @}
00196   */
00197 
00198 /** @defgroup UTILS_EC_PACKAGETYPE PACKAGE TYPE
00199   * @{
00200   */
00201 #if (STM32H7_DEV_ID == 0x450UL)
00202 #define LL_UTILS_PACKAGETYPE_LQFP100            LL_SYSCFG_LQFP100_PACKAGE          /*!< LQFP100 package type             */
00203 #define LL_UTILS_PACKAGETYPE_TQFP144            LL_SYSCFG_TQFP144_PACKAGE          /*!< TQFP144 package type             */
00204 #define LL_UTILS_PACKAGETYPE_TQFP176_UFBGA176   LL_SYSCFG_TQFP176_UFBGA176_PACKAGE /*!< TQFP176 or UFBGA176 package type */
00205 #define LL_UTILS_PACKAGETYPE_LQFP208_TFBGA240   LL_SYSCFG_LQFP208_TFBGA240_PACKAGE /*!< LQFP208 or TFBGA240 package type */
00206 #elif (STM32H7_DEV_ID == 0x480UL)
00207 #define LL_UTILS_PACKAGETYPE_LQFP64                  0x00000000UL                  /*!< LQFP64 package type              */
00208 #define LL_UTILS_PACKAGETYPE_TFBGA100_LQFP100        0x00000001UL                  /*!< TFBGA100 or LQFP100 package type */
00209 #define LL_UTILS_PACKAGETYPE_LQFP100_SMPS            0x00000002UL                  /*!< LQFP100  with SMPS package type  */
00210 #define LL_UTILS_PACKAGETYPE_TFBGA100_SMPS           0x00000003UL                  /*!< TFBGA100 with SMPS package type  */
00211 #define LL_UTILS_PACKAGETYPE_WLCSP132_SMPS           0x00000004UL                  /*!< WLCSP132 package type            */
00212 #define LL_UTILS_PACKAGETYPE_LQFP144                 0x00000005UL                  /*!< LQFP144 package type             */
00213 #define LL_UTILS_PACKAGETYPE_LQFP144_SMPS            0x00000006UL                  /*!< LQFP144 with SMPS package type   */
00214 #define LL_UTILS_PACKAGETYPE_UFBGA169                0x00000007UL                  /*!< UFBGA169 package type            */
00215 #define LL_UTILS_PACKAGETYPE_UFBGA176_LQFP176        0x00000008UL                  /*!< UFBGA176 or LQFP176 package type */
00216 #define LL_UTILS_PACKAGETYPE_LQFP176_SMPS            0x00000009UL                  /*!< LQFP176 with SMPS package type   */
00217 #define LL_UTILS_PACKAGETYPE_UFBGA176_SMPS           0x0000000AUL                  /*!< UFBGA176 with SMPS package type  */
00218 #define LL_UTILS_PACKAGETYPE_TFBGA216                0x0000000CUL                  /*!< TFBGA216  package type           */
00219 #define LL_UTILS_PACKAGETYPE_TFBGA225                0x0000000EUL                  /*!< TFBGA225  package type           */
00220 #elif (STM32H7_DEV_ID == 0x483UL)
00221 #define LL_UTILS_PACKAGETYPE_VFQFPN68_INDUS         LL_SYSCFG_VFQFPN68_INDUS_PACKAGE         /*!< VFQFPN68 Industrial package type */
00222 #define LL_UTILS_PACKAGETYPE_TFBGA100_LQFP100       LL_SYSCFG_TFBGA100_LQFP100_PACKAGE       /*!< TFBGA100 or LQFP100 Legacy package type */
00223 #define LL_UTILS_PACKAGETYPE_LQFP100_INDUS          LL_SYSCFG_LQFP100_INDUS_PACKAGE          /*!< LQFP100 Industrial package type  */
00224 #define LL_UTILS_PACKAGETYPE_TFBGA100_INDUS         LL_SYSCFG_TFBGA100_INDUS_PACKAGE         /*!< TFBGA100 Industrial package type */
00225 #define LL_UTILS_PACKAGETYPE_WLCSP115_INDUS         LL_SYSCFG_WLCSP115_INDUS_PACKAGE         /*!< WLCSP115 Industrial package type */
00226 #define LL_UTILS_PACKAGETYPE_LQFP144                LL_SYSCFG_LQFP144_PACKAGE                /*!< LQFP144 Legacy package type      */
00227 #define LL_UTILS_PACKAGETYPE_UFBGA144               LL_SYSCFG_UFBGA144_PACKAGE               /*!< UFBGA144 Legacy package type     */
00228 #define LL_UTILS_PACKAGETYPE_LQFP144_INDUS          LL_SYSCFG_LQFP144_INDUS_PACKAGE          /*!< LQFP144 Industrial package type  */
00229 #define LL_UTILS_PACKAGETYPE_UFBGA169_INDUS         LL_SYSCFG_UFBGA169_INDUS_PACKAGE         /*!< UFBGA169 Industrial package type */
00230 #define LL_UTILS_PACKAGETYPE_UFBGA176PLUS25_INDUS   LL_SYSCFG_UFBGA176PLUS25_INDUS_PACKAGE   /*!< UFBGA176+25 Industrial package type   */
00231 #define LL_UTILS_PACKAGETYPE_LQFP176_INDUS          LL_SYSCFG_LQFP176_INDUS_PACKAGE          /*!< LQFP176 Industrial package type  */
00232 #endif /* STM32H7_DEV_ID == 0x450UL */
00233 /**
00234   * @}
00235   */
00236 
00237 /**
00238   * @}
00239   */
00240 
00241 /* Exported macro ------------------------------------------------------------*/
00242 
00243 /* Exported functions --------------------------------------------------------*/
00244 /** @defgroup UTILS_LL_Exported_Functions UTILS Exported Functions
00245   * @{
00246   */
00247 
00248 /** @defgroup UTILS_EF_DEVICE_ELECTRONIC_SIGNATURE DEVICE ELECTRONIC SIGNATURE
00249   * @{
00250   */
00251 
00252 /**
00253   * @brief  Get Word0 of the unique device identifier (UID based on 96 bits)
00254   * @retval UID[31:0]
00255   */
00256 __STATIC_INLINE uint32_t LL_GetUID_Word0(void)
00257 {
00258   return (uint32_t)(READ_REG(*((uint32_t *)UID_BASE_ADDRESS)));
00259 }
00260 
00261 /**
00262   * @brief  Get Word1 of the unique device identifier (UID based on 96 bits)
00263   * @retval UID[63:32]
00264   */
00265 __STATIC_INLINE uint32_t LL_GetUID_Word1(void)
00266 {
00267   return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 4U))));
00268 }
00269 
00270 /**
00271   * @brief  Get Word2 of the unique device identifier (UID based on 96 bits)
00272   * @retval UID[95:64]
00273   */
00274 __STATIC_INLINE uint32_t LL_GetUID_Word2(void)
00275 {
00276   return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 8U))));
00277 }
00278 
00279 /**
00280   * @brief  Get Flash memory size
00281   * @note   This bitfield indicates the size of the device Flash memory expressed in
00282   *         Kbytes. As an example, 0x040 corresponds to 64 Kbytes.
00283   * @retval FLASH_SIZE[15:0]: Flash memory size
00284   */
00285 __STATIC_INLINE uint32_t LL_GetFlashSize(void)
00286 {
00287   return (uint16_t)(READ_REG(*((uint32_t *)FLASHSIZE_BASE_ADDRESS)));
00288 }
00289 
00290 /**
00291   * @brief  Get Package type
00292   * @retval Returned value can be one of the following values:
00293   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP100
00294   *         @arg @ref LL_UTILS_PACKAGETYPE_TQFP144
00295   *         @arg @ref LL_UTILS_PACKAGETYPE_TQFP176_UFBGA176
00296   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP208_TFBGA240
00297   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP64 (*)
00298   *         @arg @ref LL_UTILS_PACKAGETYPE_TFBGA100_LQFP100  (*)
00299   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP100_SMPS  (*)
00300   *         @arg @ref LL_UTILS_PACKAGETYPE_TFBGA100_SMPS  (*)
00301   *         @arg @ref LL_UTILS_PACKAGETYPE_WLCSP132_SMPS  (*)
00302   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP144     (*)
00303   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP144_SMPS (*)
00304   *         @arg @ref LL_UTILS_PACKAGETYPE_UFBGA169  (*)
00305   *         @arg @ref LL_UTILS_PACKAGETYPE_UFBGA176_LQFP176  (*)
00306   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP176_SMPS    (*)
00307   *         @arg @ref LL_UTILS_PACKAGETYPE_UFBGA176_SMPS   (*)
00308   *         @arg @ref LL_UTILS_PACKAGETYPE_TFBGA216   (*)
00309   *         @arg @ref LL_UTILS_PACKAGETYPE_TFBGA225   (*)
00310   *         @arg @ref LL_UTILS_PACKAGETYPE_VFQFPN68_INDUS   (*)
00311   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP100_INDUS   (*)
00312   *         @arg @ref LL_UTILS_PACKAGETYPE_TFBGA100_INDUS   (*)
00313   *         @arg @ref LL_UTILS_PACKAGETYPE_WLCSP115_INDUS   (*)
00314   *         @arg @ref LL_UTILS_PACKAGETYPE_UFBGA144   (*)
00315   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP144_INDUS   (*)
00316   *         @arg @ref LL_UTILS_PACKAGETYPE_UFBGA169_INDUS   (*)
00317   *         @arg @ref LL_UTILS_PACKAGETYPE_UFBGA176+25_INDUS   (*)
00318   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP176_INDUS   (*)
00319   *
00320   *        (*) Packages available on some STM32H7 lines only.
00321   * @note   For some SM32H7 lines, enabling the SYSCFG clock is mandatory.
00322             the SYSCFG clock enabling is ensured by LL_APB4_GRP1_EnableClock
00323   */
00324 __STATIC_INLINE uint32_t LL_GetPackageType(void)
00325 {
00326 #if defined(SYSCFG_PKGR_PKG)
00327 
00328   return LL_SYSCFG_GetPackage();
00329 #else
00330    return (uint16_t)(READ_REG(*((uint32_t *)PACKAGE_BASE_ADDRESS)));
00331 
00332 #endif  /* SYSCFG_PKGR_PKG */
00333 }
00334 
00335 /**
00336   * @}
00337   */
00338 
00339 /** @defgroup UTILS_LL_EF_DELAY DELAY
00340   * @{
00341   */
00342 
00343 /**
00344   * @brief  This function configures the Cortex-M SysTick source of the time base.
00345   * @param  HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro)
00346   * @note   When a RTOS is used, it is recommended to avoid changing the SysTick
00347   *         configuration by calling this function, for a delay use rather osDelay RTOS service.
00348   * @param  Ticks Number of ticks
00349   * @retval None
00350   */
00351 __STATIC_INLINE void LL_InitTick(uint32_t HCLKFrequency, uint32_t Ticks)
00352 {
00353   /* Configure the SysTick to have interrupt in 1ms time base */
00354   SysTick->LOAD  = (uint32_t)((HCLKFrequency / Ticks) - 1UL);  /* set reload register */
00355   SysTick->VAL   = 0UL;                                       /* Load the SysTick Counter Value */
00356   SysTick->CTRL  = SysTick_CTRL_CLKSOURCE_Msk |
00357                    SysTick_CTRL_ENABLE_Msk;                   /* Enable the Systick Timer */
00358 }
00359 
00360 void        LL_Init1msTick(uint32_t CPU_Frequency);
00361 void        LL_mDelay(uint32_t Delay);
00362 
00363 /**
00364   * @}
00365   */
00366 
00367 /** @defgroup UTILS_EF_SYSTEM SYSTEM
00368   * @{
00369   */
00370 
00371 void        LL_SetSystemCoreClock(uint32_t CPU_Frequency);
00372 ErrorStatus LL_PLL_ConfigSystemClock_HSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
00373                                          LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
00374 ErrorStatus LL_PLL_ConfigSystemClock_HSE(uint32_t HSEFrequency,
00375                                          uint32_t HSEBypass,
00376                                          LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
00377                                          LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
00378 ErrorStatus LL_SetFlashLatency(uint32_t HCLK_Frequency);
00379 
00380 /**
00381   * @}
00382   */
00383 
00384 /**
00385   * @}
00386   */
00387 
00388 /**
00389   * @}
00390   */
00391 
00392 /**
00393   * @}
00394   */
00395 
00396 #ifdef __cplusplus
00397 }
00398 #endif
00399 
00400 #endif /* STM32H7xx_LL_UTILS_H */
00401