616 lines
19 KiB
C
616 lines
19 KiB
C
/**
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******************************************************************************
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* @file stm32f4xx_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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******************************************************************************
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* @attention
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*
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* Copyright (c) 2017 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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@endverbatim
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f4xx_hal.h"
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/** @addtogroup STM32F4xx_HAL_Driver
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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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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/** @addtogroup HAL_Private_Constants
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* @{
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*/
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/**
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* @brief STM32F4xx HAL Driver version number V1.8.1
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*/
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#define __STM32F4xx_HAL_VERSION_MAIN (0x01U) /*!< [31:24] main version */
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#define __STM32F4xx_HAL_VERSION_SUB1 (0x08U) /*!< [23:16] sub1 version */
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#define __STM32F4xx_HAL_VERSION_SUB2 (0x01U) /*!< [15:8] sub2 version */
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#define __STM32F4xx_HAL_VERSION_RC (0x00U) /*!< [7:0] release candidate */
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#define __STM32F4xx_HAL_VERSION ((__STM32F4xx_HAL_VERSION_MAIN << 24U)\
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|(__STM32F4xx_HAL_VERSION_SUB1 << 16U)\
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|(__STM32F4xx_HAL_VERSION_SUB2 << 8U )\
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|(__STM32F4xx_HAL_VERSION_RC))
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#define IDCODE_DEVID_MASK 0x00000FFFU
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/* ------------ RCC 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 UFB_MODE bit */
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#define MEMRMP_OFFSET SYSCFG_OFFSET
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#define UFB_MODE_BIT_NUMBER SYSCFG_MEMRMP_UFB_MODE_Pos
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#define UFB_MODE_BB (uint32_t)(PERIPH_BB_BASE + (MEMRMP_OFFSET * 32U) + (UFB_MODE_BIT_NUMBER * 4U))
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/* --- CMPCR Register ---*/
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/* Alias word address of CMP_PD bit */
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#define CMPCR_OFFSET (SYSCFG_OFFSET + 0x20U)
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#define CMP_PD_BIT_NUMBER SYSCFG_CMPCR_CMP_PD_Pos
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#define CMPCR_CMP_PD_BB (uint32_t)(PERIPH_BB_BASE + (CMPCR_OFFSET * 32U) + (CMP_PD_BIT_NUMBER * 4U))
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/* --- MCHDLYCR Register ---*/
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/* Alias word address of BSCKSEL bit */
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#define MCHDLYCR_OFFSET (SYSCFG_OFFSET + 0x30U)
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#define BSCKSEL_BIT_NUMBER SYSCFG_MCHDLYCR_BSCKSEL_Pos
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#define MCHDLYCR_BSCKSEL_BB (uint32_t)(PERIPH_BB_BASE + (MCHDLYCR_OFFSET * 32U) + (BSCKSEL_BIT_NUMBER * 4U))
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/**
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* @}
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*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/** @addtogroup HAL_Private_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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HAL_TickFreqTypeDef uwTickFreq = HAL_TICK_FREQ_DEFAULT; /* 1KHz */
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/**
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* @}
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*/
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/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/** @defgroup HAL_Exported_Functions HAL Exported Functions
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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 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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(+) Initializes the Flash interface the NVIC allocation and initial clock
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configuration. It initializes the systick also when timeout is needed
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and the backup domain when enabled.
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(+) De-Initializes 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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* @brief This function is used to initialize the HAL Library; it must be the first
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* instruction to be executed in the main program (before to call any other
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* HAL function), it performs the following:
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* Configure the Flash prefetch, instruction and Data caches.
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* Configures the SysTick to generate an interrupt each 1 millisecond,
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* which is clocked by the HSI (at this stage, the clock is not yet
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* configured and thus the system is running from the internal HSI at 16 MHz).
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* Set NVIC Group Priority to 4.
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* Calls the HAL_MspInit() callback function defined in user file
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* "stm32f4xx_hal_msp.c" to do the global low level hardware initialization
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*
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* @note SysTick is used as time base for the HAL_Delay() function, the application
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* need to ensure that the SysTick time base is always set to 1 millisecond
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* to have correct HAL operation.
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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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/* Configure Flash prefetch, Instruction cache, Data cache */
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#if (INSTRUCTION_CACHE_ENABLE != 0U)
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__HAL_FLASH_INSTRUCTION_CACHE_ENABLE();
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#endif /* INSTRUCTION_CACHE_ENABLE */
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#if (DATA_CACHE_ENABLE != 0U)
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__HAL_FLASH_DATA_CACHE_ENABLE();
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#endif /* DATA_CACHE_ENABLE */
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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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/* Set Interrupt Group Priority */
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HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
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/* Use systick as time base source and configure 1ms tick (default clock after Reset is HSI) */
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HAL_InitTick(TICK_INT_PRIORITY);
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/* Init the low level hardware */
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HAL_MspInit();
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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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* @brief This function de-Initializes common part of the HAL and stops the systick.
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* 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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__HAL_RCC_APB2_FORCE_RESET();
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__HAL_RCC_APB2_RELEASE_RESET();
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__HAL_RCC_AHB1_FORCE_RESET();
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__HAL_RCC_AHB1_RELEASE_RESET();
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__HAL_RCC_AHB2_FORCE_RESET();
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__HAL_RCC_AHB2_RELEASE_RESET();
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__HAL_RCC_AHB3_FORCE_RESET();
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__HAL_RCC_AHB3_RELEASE_RESET();
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/* De-Init the low level hardware */
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HAL_MspDeInit();
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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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* @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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* @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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* @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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/* 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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return HAL_ERROR;
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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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return HAL_ERROR;
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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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*/
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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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(+) Enable/Disable Debug module during SLEEP mode
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(+) Enable/Disable Debug module during STOP mode
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(+) Enable/Disable Debug module during STANDBY mode
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@endverbatim
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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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* @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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* @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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* @brief Set new tick Freq.
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* @retval Status
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*/
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HAL_StatusTypeDef HAL_SetTickFreq(HAL_TickFreqTypeDef Freq)
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{
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HAL_StatusTypeDef status = HAL_OK;
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HAL_TickFreqTypeDef prevTickFreq;
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assert_param(IS_TICKFREQ(Freq));
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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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/* Update uwTickFreq global variable used by HAL_InitTick() */
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uwTickFreq = Freq;
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/* Apply the new tick Freq */
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status = HAL_InitTick(uwTickPrio);
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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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return status;
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}
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/**
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* @brief Return tick frequency.
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* @retval tick period in Hz
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*/
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HAL_TickFreqTypeDef 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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* @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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/* 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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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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* @brief Suspend 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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SysTick->CTRL &= ~SysTick_CTRL_TICKINT_Msk;
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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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SysTick->CTRL |= SysTick_CTRL_TICKINT_Msk;
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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 __STM32F4xx_HAL_VERSION;
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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) >> 16U);
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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) & IDCODE_DEVID_MASK);
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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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* @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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}
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/**
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* @brief Enable the Debug Module during STOP mode
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* @retval None
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*/
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void HAL_DBGMCU_EnableDBGStopMode(void)
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{
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SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP);
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}
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/**
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* @brief Disable the Debug Module during STOP mode
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* @retval None
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*/
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void HAL_DBGMCU_DisableDBGStopMode(void)
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{
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CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP);
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}
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/**
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* @brief Enable the Debug Module during STANDBY mode
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* @retval None
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*/
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void HAL_DBGMCU_EnableDBGStandbyMode(void)
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{
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SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY);
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}
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/**
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* @brief Disable the Debug Module during STANDBY mode
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* @retval None
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*/
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void HAL_DBGMCU_DisableDBGStandbyMode(void)
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{
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CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY);
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}
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/**
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* @brief Enables the I/O Compensation Cell.
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* @note The I/O compensation cell can be used only when the device supply
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* voltage ranges from 2.4 to 3.6 V.
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* @retval None
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*/
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void HAL_EnableCompensationCell(void)
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{
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*(__IO uint32_t *)CMPCR_CMP_PD_BB = (uint32_t)ENABLE;
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}
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/**
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* @brief Power-down the I/O Compensation Cell.
|
|
* @note The I/O compensation cell can be used only when the device supply
|
|
* voltage ranges from 2.4 to 3.6 V.
|
|
* @retval None
|
|
*/
|
|
void HAL_DisableCompensationCell(void)
|
|
{
|
|
*(__IO uint32_t *)CMPCR_CMP_PD_BB = (uint32_t)DISABLE;
|
|
}
|
|
|
|
/**
|
|
* @brief Returns first word of the unique device identifier (UID based on 96 bits)
|
|
* @retval Device identifier
|
|
*/
|
|
uint32_t HAL_GetUIDw0(void)
|
|
{
|
|
return (READ_REG(*((uint32_t *)UID_BASE)));
|
|
}
|
|
|
|
/**
|
|
* @brief Returns second word of the unique device identifier (UID based on 96 bits)
|
|
* @retval Device identifier
|
|
*/
|
|
uint32_t HAL_GetUIDw1(void)
|
|
{
|
|
return (READ_REG(*((uint32_t *)(UID_BASE + 4U))));
|
|
}
|
|
|
|
/**
|
|
* @brief Returns third word of the unique device identifier (UID based on 96 bits)
|
|
* @retval Device identifier
|
|
*/
|
|
uint32_t HAL_GetUIDw2(void)
|
|
{
|
|
return (READ_REG(*((uint32_t *)(UID_BASE + 8U))));
|
|
}
|
|
|
|
#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx)|| defined(STM32F439xx) ||\
|
|
defined(STM32F469xx) || defined(STM32F479xx)
|
|
/**
|
|
* @brief Enables the Internal FLASH Bank Swapping.
|
|
*
|
|
* @note This function can be used only for STM32F42xxx/43xxx/469xx/479xx devices.
|
|
*
|
|
* @note Flash Bank2 mapped at 0x08000000 (and aliased @0x00000000)
|
|
* and Flash Bank1 mapped at 0x08100000 (and aliased at 0x00100000)
|
|
*
|
|
* @retval None
|
|
*/
|
|
void HAL_EnableMemorySwappingBank(void)
|
|
{
|
|
*(__IO uint32_t *)UFB_MODE_BB = (uint32_t)ENABLE;
|
|
}
|
|
|
|
/**
|
|
* @brief Disables the Internal FLASH Bank Swapping.
|
|
*
|
|
* @note This function can be used only for STM32F42xxx/43xxx/469xx/479xx devices.
|
|
*
|
|
* @note The default state : Flash Bank1 mapped at 0x08000000 (and aliased @0x00000000)
|
|
* and Flash Bank2 mapped at 0x08100000 (and aliased at 0x00100000)
|
|
*
|
|
* @retval None
|
|
*/
|
|
void HAL_DisableMemorySwappingBank(void)
|
|
{
|
|
*(__IO uint32_t *)UFB_MODE_BB = (uint32_t)DISABLE;
|
|
}
|
|
#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx */
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
|