798 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			798 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /**
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|   ******************************************************************************
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|   * @file    stm32g4xx_hal.c
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|   * @author  MCD Application Team
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|   * @brief   HAL module driver.
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|   *          This is the common part of the HAL initialization
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|   ******************************************************************************
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|   * @attention
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|   *
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|   * Copyright (c) 2019 STMicroelectronics.
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|   * All rights reserved.
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|   *
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|   * This software is licensed under terms that can be found in the LICENSE file
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|   * in the root directory of this software component.
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|   * If no LICENSE file comes with this software, it is provided AS-IS.
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|   *
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|   ******************************************************************************
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|   @verbatim
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|   ==============================================================================
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|                      ##### How to use this driver #####
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|   ==============================================================================
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|     [..]
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|     The common HAL driver contains a set of generic and common APIs that can be
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|     used by the PPP peripheral drivers and the user to start using the HAL.
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|     [..]
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|     The HAL contains two APIs' categories:
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|          (+) Common HAL APIs
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|          (+) Services HAL APIs
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| 
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|   @endverbatim
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|   ******************************************************************************
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|   */
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| 
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| /* Includes ------------------------------------------------------------------*/
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| #include "stm32g4xx_hal.h"
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| 
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| /** @addtogroup STM32G4xx_HAL_Driver
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|   * @{
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|   */
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| 
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| /** @defgroup HAL HAL
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|   * @brief HAL module driver
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|   * @{
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|   */
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| 
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| #ifdef HAL_MODULE_ENABLED
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| 
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| /* Private typedef -----------------------------------------------------------*/
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| /* Private define ------------------------------------------------------------*/
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| /**
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|   * @brief STM32G4xx HAL Driver version number V1.2.5
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|   */
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| #define __STM32G4xx_HAL_VERSION_MAIN   (0x01U) /*!< [31:24] main version */
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| #define __STM32G4xx_HAL_VERSION_SUB1   (0x02U) /*!< [23:16] sub1 version */
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| #define __STM32G4xx_HAL_VERSION_SUB2   (0x05U) /*!< [15:8]  sub2 version */
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| #define __STM32G4xx_HAL_VERSION_RC     (0x00U) /*!< [7:0]  release candidate */
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| #define __STM32G4xx_HAL_VERSION         ((__STM32G4xx_HAL_VERSION_MAIN << 24U)\
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|                                          |(__STM32G4xx_HAL_VERSION_SUB1 << 16U)\
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|                                          |(__STM32G4xx_HAL_VERSION_SUB2 << 8U )\
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|                                          |(__STM32G4xx_HAL_VERSION_RC))
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| 
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| #if defined(VREFBUF)
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| #define VREFBUF_TIMEOUT_VALUE     10U   /* 10 ms */
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| #endif /* VREFBUF */
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| 
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| /* ------------ SYSCFG registers bit address in the alias region ------------ */
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| #define SYSCFG_OFFSET             (SYSCFG_BASE - PERIPH_BASE)
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| /* ---  MEMRMP Register ---*/
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| /* Alias word address of FB_MODE bit */
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| #define MEMRMP_OFFSET           SYSCFG_OFFSET
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| #define FB_MODE_BitNumber       ((uint8_t)0x8)
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| #define FB_MODE_BB              (PERIPH_BB_BASE + (MEMRMP_OFFSET * 32) + (FB_MODE_BitNumber * 4))
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| 
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| /* --- GPC Register ---*/
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| /* Alias word address of CCMER bit */
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| #define SCSR_OFFSET             (SYSCFG_OFFSET + 0x18)
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| #define CCMER_BitNumber         ((uint8_t)0x0)
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| #define SCSR_CCMER_BB           (PERIPH_BB_BASE + (SCSR_OFFSET * 32) + (CCMER_BitNumber * 4))
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| 
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| /* Private macro -------------------------------------------------------------*/
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| /* Exported variables ---------------------------------------------------------*/
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| /** @defgroup HAL_Exported_Variables HAL Exported Variables
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|   * @{
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|   */
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| __IO uint32_t uwTick;
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| uint32_t uwTickPrio = (1UL << __NVIC_PRIO_BITS); /* Invalid PRIO */
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| uint32_t uwTickFreq = HAL_TICK_FREQ_DEFAULT;  /* 1KHz */
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| /**
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|   * @}
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|   */
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| 
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| /* Private function prototypes -----------------------------------------------*/
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| /* Exported functions --------------------------------------------------------*/
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| 
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| /** @defgroup HAL_Exported_Functions HAL Exported Functions
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|   * @{
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|   */
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| 
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| /** @defgroup HAL_Exported_Functions_Group1 Initialization and de-initialization Functions
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|   *  @brief    HAL Initialization and de-initialization functions
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|   *
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| @verbatim
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|  ===============================================================================
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|               ##### Initialization and Configuration functions #####
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|  ===============================================================================
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|     [..]  This section provides functions allowing to:
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|       (+) Initialize the Flash interface the NVIC allocation and initial time base
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|           clock configuration.
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|       (+) De-Initialize common part of the HAL.
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|       (+) Configure the time base source to have 1ms time base with a dedicated
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|           Tick interrupt priority.
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|         (++) SysTick timer is used by default as source of time base, but user
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|              can eventually implement his proper time base source (a general purpose
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|              timer for example or other time source), keeping in mind that Time base
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|              duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
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|              handled in milliseconds basis.
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|         (++) Time base configuration function (HAL_InitTick ()) is called automatically
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|              at the beginning of the program after reset by HAL_Init() or at any time
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|              when clock is configured, by HAL_RCC_ClockConfig().
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|         (++) Source of time base is configured  to generate interrupts at regular
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|              time intervals. Care must be taken if HAL_Delay() is called from a
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|              peripheral ISR process, the Tick interrupt line must have higher priority
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|             (numerically lower) than the peripheral interrupt. Otherwise the caller
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|             ISR process will be blocked.
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|        (++) functions affecting time base configurations are declared as __weak
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|              to make  override possible  in case of other  implementations in user file.
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| @endverbatim
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|   * @{
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|   */
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| 
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| /**
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|   * @brief  This function is used to configure the Flash prefetch, the Instruction and Data caches,
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|   *         the time base source, NVIC and any required global low level hardware
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|   *         by calling the HAL_MspInit() callback function to be optionally defined in user file
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|   *         stm32g4xx_hal_msp.c.
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|   *
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|   * @note   HAL_Init() function is called at the beginning of program after reset and before
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|   *         the clock configuration.
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|   *
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|   * @note   In the default implementation the System Timer (Systick) is used as source of time base.
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|   *         The Systick configuration is based on HSI clock, as HSI is the clock
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|   *         used after a system Reset and the NVIC configuration is set to Priority group 4.
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|   *         Once done, time base tick starts incrementing: the tick variable counter is incremented
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|   *         each 1ms in the SysTick_Handler() interrupt handler.
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|   *
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|   * @retval HAL status
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|   */
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| HAL_StatusTypeDef HAL_Init(void)
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| {
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|   HAL_StatusTypeDef  status = HAL_OK;
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|   /* Configure Flash prefetch, Instruction cache, Data cache */
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|   /* Default configuration at reset is:                      */
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|   /* - Prefetch disabled                                     */
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|   /* - Instruction cache enabled                             */
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|   /* - Data cache enabled                                    */
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| #if (INSTRUCTION_CACHE_ENABLE == 0U)
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|   __HAL_FLASH_INSTRUCTION_CACHE_DISABLE();
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| #endif /* INSTRUCTION_CACHE_ENABLE */
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| 
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| #if (DATA_CACHE_ENABLE == 0U)
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|   __HAL_FLASH_DATA_CACHE_DISABLE();
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| #endif /* DATA_CACHE_ENABLE */
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| 
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| #if (PREFETCH_ENABLE != 0U)
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|   __HAL_FLASH_PREFETCH_BUFFER_ENABLE();
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| #endif /* PREFETCH_ENABLE */
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| 
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|   /* Set Interrupt Group Priority */
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|   HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
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| 
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|   /* Use SysTick as time base source and configure 1ms tick (default clock after Reset is HSI) */
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|   if (HAL_InitTick(TICK_INT_PRIORITY) != HAL_OK)
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|   {
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|     status = HAL_ERROR;
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|   }
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|   else
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|   {
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|     /* Init the low level hardware */
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|     HAL_MspInit();
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|   }
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| 
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|   /* Return function status */
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|   return status;
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| 
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| }
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| 
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| /**
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|   * @brief  This function de-initializes common part of the HAL and stops the source of time base.
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|   * @note   This function is optional.
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|   * @retval HAL status
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|   */
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| HAL_StatusTypeDef HAL_DeInit(void)
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| {
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|   /* Reset of all peripherals */
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|   __HAL_RCC_APB1_FORCE_RESET();
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|   __HAL_RCC_APB1_RELEASE_RESET();
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| 
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|   __HAL_RCC_APB2_FORCE_RESET();
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|   __HAL_RCC_APB2_RELEASE_RESET();
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| 
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|   __HAL_RCC_AHB1_FORCE_RESET();
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|   __HAL_RCC_AHB1_RELEASE_RESET();
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| 
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|   __HAL_RCC_AHB2_FORCE_RESET();
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|   __HAL_RCC_AHB2_RELEASE_RESET();
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| 
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|   __HAL_RCC_AHB3_FORCE_RESET();
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|   __HAL_RCC_AHB3_RELEASE_RESET();
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| 
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|   /* De-Init the low level hardware */
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|   HAL_MspDeInit();
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| 
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|   /* Return function status */
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|   return HAL_OK;
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| }
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| 
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| /**
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|   * @brief  Initialize the MSP.
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|   * @retval None
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|   */
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| __weak void HAL_MspInit(void)
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| {
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|   /* NOTE : This function should not be modified, when the callback is needed,
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|             the HAL_MspInit could be implemented in the user file
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|    */
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| }
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| 
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| /**
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|   * @brief  DeInitializes the MSP.
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|   * @retval None
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|   */
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| __weak void HAL_MspDeInit(void)
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| {
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|   /* NOTE : This function should not be modified, when the callback is needed,
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|             the HAL_MspDeInit could be implemented in the user file
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|    */
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| }
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| 
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| /**
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|   * @brief This function configures the source of the time base:
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|   *        The time source is configured to have 1ms time base with a dedicated
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|   *        Tick interrupt priority.
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|   * @note This function is called  automatically at the beginning of program after
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|   *       reset by HAL_Init() or at any time when clock is reconfigured  by HAL_RCC_ClockConfig().
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|   * @note In the default implementation, SysTick timer is the source of time base.
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|   *       It is used to generate interrupts at regular time intervals.
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|   *       Care must be taken if HAL_Delay() is called from a peripheral ISR process,
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|   *       The SysTick interrupt must have higher priority (numerically lower)
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|   *       than the peripheral interrupt. Otherwise the caller ISR process will be blocked.
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|   *       The function is declared as __weak  to be overwritten  in case of other
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|   *       implementation  in user file.
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|   * @param TickPriority: Tick interrupt priority.
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|   * @retval HAL status
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|   */
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| __weak HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority)
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| {
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|   HAL_StatusTypeDef  status = HAL_OK;
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| 
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|   if (uwTickFreq != 0U)
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|   {
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|     /* Configure the SysTick to have interrupt in 1ms time basis*/
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|     if (HAL_SYSTICK_Config(SystemCoreClock / (1000U / uwTickFreq)) == 0U)
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|     {
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|       /* Configure the SysTick IRQ priority */
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|       if (TickPriority < (1UL << __NVIC_PRIO_BITS))
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|       {
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|         HAL_NVIC_SetPriority(SysTick_IRQn, TickPriority, 0U);
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|         uwTickPrio = TickPriority;
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|       }
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|       else
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|       {
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|         status = HAL_ERROR;
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|       }
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|     }
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|     else
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|     {
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|       status = HAL_ERROR;
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|     }
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|   }
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|   else
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|   {
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|     status = HAL_ERROR;
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|   }
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| 
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|   /* Return function status */
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|   return status;
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| }
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| 
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| /**
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|   * @}
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|   */
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| 
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| /** @defgroup HAL_Exported_Functions_Group2 HAL Control functions
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|   *  @brief    HAL Control functions
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|   *
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| @verbatim
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|  ===============================================================================
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|                       ##### HAL Control functions #####
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|  ===============================================================================
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|     [..]  This section provides functions allowing to:
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|       (+) Provide a tick value in millisecond
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|       (+) Provide a blocking delay in millisecond
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|       (+) Suspend the time base source interrupt
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|       (+) Resume the time base source interrupt
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|       (+) Get the HAL API driver version
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|       (+) Get the device identifier
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|       (+) Get the device revision identifier
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| 
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| @endverbatim
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|   * @{
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|   */
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| 
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| /**
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|   * @brief This function is called to increment a global variable "uwTick"
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|   *        used as application time base.
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|   * @note In the default implementation, this variable is incremented each 1ms
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|   *       in SysTick ISR.
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|   * @note This function is declared as __weak to be overwritten in case of other
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|   *      implementations in user file.
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|   * @retval None
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|   */
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| __weak void HAL_IncTick(void)
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| {
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|   uwTick += uwTickFreq;
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| }
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| 
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| /**
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|   * @brief Provides a tick value in millisecond.
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|   * @note This function is declared as __weak to be overwritten in case of other
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|   *       implementations in user file.
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|   * @retval tick value
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|   */
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| __weak uint32_t HAL_GetTick(void)
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| {
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|   return uwTick;
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| }
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| 
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| /**
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|   * @brief This function returns a tick priority.
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|   * @retval tick priority
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|   */
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| uint32_t HAL_GetTickPrio(void)
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| {
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|   return uwTickPrio;
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| }
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| 
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| /**
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|   * @brief Set new tick Freq.
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|   * @retval status
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|   */
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| HAL_StatusTypeDef HAL_SetTickFreq(uint32_t Freq)
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| {
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|   HAL_StatusTypeDef status  = HAL_OK;
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|   uint32_t prevTickFreq;
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| 
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|   assert_param(IS_TICKFREQ(Freq));
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| 
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|   if (uwTickFreq != Freq)
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|   {
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|     /* Back up uwTickFreq frequency */
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|     prevTickFreq = uwTickFreq;
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| 
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|     /* Update uwTickFreq global variable used by HAL_InitTick() */
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|     uwTickFreq = Freq;
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| 
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|     /* Apply the new tick Freq  */
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|     status = HAL_InitTick(uwTickPrio);
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| 
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|     if (status != HAL_OK)
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|     {
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|       /* Restore previous tick frequency */
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|       uwTickFreq = prevTickFreq;
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|     }
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|   }
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| 
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|   return status;
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| }
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| 
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| /**
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|   * @brief Returns tick frequency.
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|   * @retval Tick frequency.
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|   *         Value of @ref HAL_TickFreqTypeDef.
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|   */
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| uint32_t HAL_GetTickFreq(void)
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| {
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|   return uwTickFreq;
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| }
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| 
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| /**
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|   * @brief This function provides minimum delay (in milliseconds) based
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|   *        on variable incremented.
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|   * @note In the default implementation , SysTick timer is the source of time base.
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|   *       It is used to generate interrupts at regular time intervals where uwTick
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|   *       is incremented.
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|   * @note This function is declared as __weak to be overwritten in case of other
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|   *       implementations in user file.
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|   * @param Delay specifies the delay time length, in milliseconds.
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|   * @retval None
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|   */
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| __weak void HAL_Delay(uint32_t Delay)
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| {
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|   uint32_t tickstart = HAL_GetTick();
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|   uint32_t wait = Delay;
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| 
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|   /* Add a freq to guarantee minimum wait */
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|   if (wait < HAL_MAX_DELAY)
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|   {
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|     wait += (uint32_t)(uwTickFreq);
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|   }
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| 
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|   while ((HAL_GetTick() - tickstart) < wait)
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|   {
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|   }
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| }
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| 
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| /**
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|   * @brief Suspends Tick increment.
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|   * @note In the default implementation , SysTick timer is the source of time base. It is
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|   *       used to generate interrupts at regular time intervals. Once HAL_SuspendTick()
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|   *       is called, the SysTick interrupt will be disabled and so Tick increment
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|   *       is suspended.
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|   * @note This function is declared as __weak to be overwritten in case of other
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|   *       implementations in user file.
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|   * @retval None
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|   */
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| __weak void HAL_SuspendTick(void)
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| {
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|   /* Disable SysTick Interrupt */
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|   CLEAR_BIT(SysTick->CTRL, SysTick_CTRL_TICKINT_Msk);
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| }
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| 
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| /**
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|   * @brief Resume Tick increment.
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|   * @note In the default implementation , SysTick timer is the source of time base. It is
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|   *       used to generate interrupts at regular time intervals. Once HAL_ResumeTick()
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|   *       is called, the SysTick interrupt will be enabled and so Tick increment
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|   *       is resumed.
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|   * @note This function is declared as __weak to be overwritten in case of other
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|   *       implementations in user file.
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|   * @retval None
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|   */
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| __weak void HAL_ResumeTick(void)
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| {
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|   /* Enable SysTick Interrupt */
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|   SET_BIT(SysTick->CTRL, SysTick_CTRL_TICKINT_Msk);
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| }
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| 
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| /**
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|   * @brief  Returns the HAL revision.
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|   * @retval version : 0xXYZR (8bits for each decimal, R for RC)
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|   */
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| uint32_t HAL_GetHalVersion(void)
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| {
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|   return __STM32G4xx_HAL_VERSION;
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| }
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| 
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| /**
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|   * @brief  Returns the device revision identifier.
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|   * @retval Device revision identifier
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|   */
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| uint32_t HAL_GetREVID(void)
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| {
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|   return ((DBGMCU->IDCODE & DBGMCU_IDCODE_REV_ID) >> 16U);
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| }
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| 
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| /**
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|   * @brief  Returns the device identifier.
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|   * @retval Device identifier
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|   */
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| uint32_t HAL_GetDEVID(void)
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| {
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|   return (DBGMCU->IDCODE & DBGMCU_IDCODE_DEV_ID);
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| }
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| 
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| /**
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|   * @brief  Return the first word of the unique device identifier (UID based on 96 bits)
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|   * @retval Device identifier
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|   */
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| uint32_t HAL_GetUIDw0(void)
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| {
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|   return (READ_REG(*((uint32_t *)UID_BASE)));
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| }
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| 
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| /**
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|   * @brief  Return the second word of the unique device identifier (UID based on 96 bits)
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|   * @retval Device identifier
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|   */
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| uint32_t HAL_GetUIDw1(void)
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| {
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|   return (READ_REG(*((uint32_t *)(UID_BASE + 4U))));
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| }
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| 
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| /**
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|   * @brief  Return the third word of the unique device identifier (UID based on 96 bits)
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|   * @retval Device identifier
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|   */
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| uint32_t HAL_GetUIDw2(void)
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| {
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|   return (READ_REG(*((uint32_t *)(UID_BASE + 8U))));
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| }
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| 
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| /**
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|   * @}
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|   */
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| 
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| /** @defgroup HAL_Exported_Functions_Group3 HAL Debug functions
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|   *  @brief    HAL Debug functions
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|   *
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| @verbatim
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|  ===============================================================================
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|                       ##### HAL Debug functions #####
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|  ===============================================================================
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|     [..]  This section provides functions allowing to:
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|       (+) Enable/Disable Debug module during SLEEP mode
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|       (+) Enable/Disable Debug module during STOP0/STOP1/STOP2 modes
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|       (+) Enable/Disable Debug module during STANDBY mode
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| 
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| @endverbatim
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|   * @{
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|   */
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| 
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| /**
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|   * @brief  Enable the Debug Module during SLEEP mode.
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|   * @retval None
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|   */
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| void HAL_DBGMCU_EnableDBGSleepMode(void)
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| {
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|   SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP);
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| }
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| 
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| /**
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|   * @brief  Disable the Debug Module during SLEEP mode.
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|   * @retval None
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|   */
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| void HAL_DBGMCU_DisableDBGSleepMode(void)
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| {
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|   CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP);
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| }
 | |
| 
 | |
| /**
 | |
|   * @brief  Enable the Debug Module during STOP0/STOP1/STOP2 modes.
 | |
|   * @retval None
 | |
|   */
 | |
| void HAL_DBGMCU_EnableDBGStopMode(void)
 | |
| {
 | |
|   SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP);
 | |
| }
 | |
| 
 | |
| /**
 | |
|   * @brief  Disable the Debug Module during STOP0/STOP1/STOP2 modes.
 | |
|   * @retval None
 | |
|   */
 | |
| void HAL_DBGMCU_DisableDBGStopMode(void)
 | |
| {
 | |
|   CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP);
 | |
| }
 | |
| 
 | |
| /**
 | |
|   * @brief  Enable the Debug Module during STANDBY mode.
 | |
|   * @retval None
 | |
|   */
 | |
| void HAL_DBGMCU_EnableDBGStandbyMode(void)
 | |
| {
 | |
|   SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY);
 | |
| }
 | |
| 
 | |
| /**
 | |
|   * @brief  Disable the Debug Module during STANDBY mode.
 | |
|   * @retval None
 | |
|   */
 | |
| void HAL_DBGMCU_DisableDBGStandbyMode(void)
 | |
| {
 | |
|   CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY);
 | |
| }
 | |
| 
 | |
| /**
 | |
|   * @}
 | |
|   */
 | |
| 
 | |
| /** @defgroup HAL_Exported_Functions_Group4 HAL SYSCFG configuration functions
 | |
|   *  @brief    HAL SYSCFG configuration functions
 | |
|   *
 | |
| @verbatim
 | |
|  ===============================================================================
 | |
|                       ##### HAL SYSCFG configuration functions #####
 | |
|  ===============================================================================
 | |
|     [..]  This section provides functions allowing to:
 | |
|       (+) Start a hardware CCMSRAM erase operation
 | |
|       (+) Enable/Disable the Internal FLASH Bank Swapping
 | |
|       (+) Configure the Voltage reference buffer
 | |
|       (+) Enable/Disable the Voltage reference buffer
 | |
|       (+) Enable/Disable the I/O analog switch voltage booster
 | |
| 
 | |
| @endverbatim
 | |
|   * @{
 | |
|   */
 | |
| /**
 | |
|   * @brief  Start a hardware CCMSRAM erase operation.
 | |
|   * @note   As long as CCMSRAM is not erased the CCMER bit will be set.
 | |
|   *         This bit is automatically reset at the end of the CCMSRAM erase operation.
 | |
|   * @retval None
 | |
|   */
 | |
| void HAL_SYSCFG_CCMSRAMErase(void)
 | |
| {
 | |
|   /* unlock the write protection of the CCMER bit */
 | |
|   SYSCFG->SKR = 0xCA;
 | |
|   SYSCFG->SKR = 0x53;
 | |
|   /* Starts a hardware CCMSRAM erase operation*/
 | |
|   SET_BIT(SYSCFG->SCSR, SYSCFG_SCSR_CCMER);
 | |
| }
 | |
| 
 | |
| /**
 | |
|   * @brief  Enable the Internal FLASH Bank Swapping.
 | |
|   *
 | |
|   * @note   This function can be used only for STM32G4xx devices.
 | |
|   *
 | |
|   * @note   Flash Bank2 mapped at 0x08000000 (and aliased @0x00000000)
 | |
|   *         and Flash Bank1 mapped at 0x08040000 (and aliased at 0x00040000)
 | |
|   *
 | |
|   * @retval None
 | |
|   */
 | |
| void HAL_SYSCFG_EnableMemorySwappingBank(void)
 | |
| {
 | |
|   SET_BIT(SYSCFG->MEMRMP, SYSCFG_MEMRMP_FB_MODE);
 | |
| }
 | |
| 
 | |
| /**
 | |
|   * @brief  Disable the Internal FLASH Bank Swapping.
 | |
|   *
 | |
|   * @note   This function can be used only for STM32G4xx devices.
 | |
|   *
 | |
|   * @note   The default state : Flash Bank1 mapped at 0x08000000 (and aliased @0x0000 0000)
 | |
|   *         and Flash Bank2 mapped at 0x08040000 (and aliased at 0x00040000)
 | |
|   *
 | |
|   * @retval None
 | |
|   */
 | |
| void HAL_SYSCFG_DisableMemorySwappingBank(void)
 | |
| {
 | |
|   CLEAR_BIT(SYSCFG->MEMRMP, SYSCFG_MEMRMP_FB_MODE);
 | |
| }
 | |
| 
 | |
| #if defined(VREFBUF)
 | |
| /**
 | |
|   * @brief Configure the internal voltage reference buffer voltage scale.
 | |
|   * @param  VoltageScaling: specifies the output voltage to achieve
 | |
|   *          This parameter can be one of the following values:
 | |
|   *            @arg SYSCFG_VREFBUF_VOLTAGE_SCALE0: VREFBUF_OUT around 2.048 V.
 | |
|   *                                                This requires VDDA equal to or higher than 2.4 V.
 | |
|   *            @arg SYSCFG_VREFBUF_VOLTAGE_SCALE1: VREFBUF_OUT around 2.5 V.
 | |
|   *                                                This requires VDDA equal to or higher than 2.8 V.
 | |
|   *            @arg SYSCFG_VREFBUF_VOLTAGE_SCALE2: VREFBUF_OUT around 2.9 V.
 | |
|   *                                                This requires VDDA equal to or higher than 3.15 V.
 | |
|   * @retval None
 | |
|   */
 | |
| void HAL_SYSCFG_VREFBUF_VoltageScalingConfig(uint32_t VoltageScaling)
 | |
| {
 | |
|   /* Check the parameters */
 | |
|   assert_param(IS_SYSCFG_VREFBUF_VOLTAGE_SCALE(VoltageScaling));
 | |
| 
 | |
|   MODIFY_REG(VREFBUF->CSR, VREFBUF_CSR_VRS, VoltageScaling);
 | |
| }
 | |
| 
 | |
| /**
 | |
|   * @brief Configure the internal voltage reference buffer high impedance mode.
 | |
|   * @param  Mode: specifies the high impedance mode
 | |
|   *          This parameter can be one of the following values:
 | |
|   *            @arg SYSCFG_VREFBUF_HIGH_IMPEDANCE_DISABLE: VREF+ pin is internally connect to VREFINT output.
 | |
|   *            @arg SYSCFG_VREFBUF_HIGH_IMPEDANCE_ENABLE: VREF+ pin is high impedance.
 | |
|   * @retval None
 | |
|   */
 | |
| void HAL_SYSCFG_VREFBUF_HighImpedanceConfig(uint32_t Mode)
 | |
| {
 | |
|   /* Check the parameters */
 | |
|   assert_param(IS_SYSCFG_VREFBUF_HIGH_IMPEDANCE(Mode));
 | |
| 
 | |
|   MODIFY_REG(VREFBUF->CSR, VREFBUF_CSR_HIZ, Mode);
 | |
| }
 | |
| 
 | |
| /**
 | |
|   * @brief Tune the Internal Voltage Reference buffer (VREFBUF).
 | |
|   * @param TrimmingValue specifies trimming code for VREFBUF calibration
 | |
|   *        This parameter can be a number between Min_Data = 0x00 and Max_Data = 0x3F
 | |
|   * @retval None
 | |
|   */
 | |
| void HAL_SYSCFG_VREFBUF_TrimmingConfig(uint32_t TrimmingValue)
 | |
| {
 | |
|   /* Check the parameters */
 | |
|   assert_param(IS_SYSCFG_VREFBUF_TRIMMING(TrimmingValue));
 | |
| 
 | |
|   MODIFY_REG(VREFBUF->CCR, VREFBUF_CCR_TRIM, TrimmingValue);
 | |
| }
 | |
| 
 | |
| /**
 | |
|   * @brief  Enable the Internal Voltage Reference buffer (VREFBUF).
 | |
|   * @retval HAL_OK/HAL_TIMEOUT
 | |
|   */
 | |
| HAL_StatusTypeDef HAL_SYSCFG_EnableVREFBUF(void)
 | |
| {
 | |
|   uint32_t tickstart;
 | |
| 
 | |
|   SET_BIT(VREFBUF->CSR, VREFBUF_CSR_ENVR);
 | |
| 
 | |
|   /* Get Start Tick*/
 | |
|   tickstart = HAL_GetTick();
 | |
| 
 | |
|   /* Wait for VRR bit  */
 | |
|   while (READ_BIT(VREFBUF->CSR, VREFBUF_CSR_VRR) == 0x00U)
 | |
|   {
 | |
|     if ((HAL_GetTick() - tickstart) > VREFBUF_TIMEOUT_VALUE)
 | |
|     {
 | |
|       return HAL_TIMEOUT;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   return HAL_OK;
 | |
| }
 | |
| 
 | |
| /**
 | |
|   * @brief  Disable the Internal Voltage Reference buffer (VREFBUF).
 | |
|   *
 | |
|   * @retval None
 | |
|   */
 | |
| void HAL_SYSCFG_DisableVREFBUF(void)
 | |
| {
 | |
|   CLEAR_BIT(VREFBUF->CSR, VREFBUF_CSR_ENVR);
 | |
| }
 | |
| #endif /* VREFBUF */
 | |
| 
 | |
| /**
 | |
|   * @brief  Enable the I/O analog switch voltage booster
 | |
|   *
 | |
|   * @retval None
 | |
|   */
 | |
| void HAL_SYSCFG_EnableIOSwitchBooster(void)
 | |
| {
 | |
|   SET_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_BOOSTEN);
 | |
| }
 | |
| 
 | |
| /**
 | |
|   * @brief  Disable the I/O analog switch voltage booster
 | |
|   *
 | |
|   * @retval None
 | |
|   */
 | |
| void HAL_SYSCFG_DisableIOSwitchBooster(void)
 | |
| {
 | |
|   CLEAR_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_BOOSTEN);
 | |
| }
 | |
| 
 | |
| /**
 | |
|   * @brief  Enable the I/O analog switch voltage by VDD
 | |
|   *
 | |
|   * @retval None
 | |
|   */
 | |
| void HAL_SYSCFG_EnableIOSwitchVDD(void)
 | |
| {
 | |
|   SET_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_ANASWVDD);
 | |
| }
 | |
| 
 | |
| /**
 | |
|   * @brief  Disable the I/O analog switch voltage by VDD
 | |
|   *
 | |
|   * @retval None
 | |
|   */
 | |
| void HAL_SYSCFG_DisableIOSwitchVDD(void)
 | |
| {
 | |
|   CLEAR_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_ANASWVDD);
 | |
| }
 | |
| 
 | |
| /** @brief  CCMSRAM page write protection enable
 | |
|   * @param Page: This parameter is a long 32bit value and can be a value of @ref SYSCFG_CCMSRAMWRP
 | |
|   * @note   write protection can only be disabled by a system reset
 | |
|   * @retval None
 | |
|   */
 | |
| void HAL_SYSCFG_CCMSRAM_WriteProtectionEnable(uint32_t Page)
 | |
| {
 | |
|   assert_param(IS_SYSCFG_CCMSRAMWRP_PAGE(Page));
 | |
| 
 | |
|   SET_BIT(SYSCFG->SWPR, (uint32_t)(Page));
 | |
| }
 | |
| 
 | |
| /**
 | |
|   * @}
 | |
|   */
 | |
| 
 | |
| /**
 | |
|   * @}
 | |
|   */
 | |
| 
 | |
| #endif /* HAL_MODULE_ENABLED */
 | |
| /**
 | |
|   * @}
 | |
|   */
 | |
| 
 | |
| /**
 | |
|   * @}
 | |
|   */
 | |
| 
 |