[303] | 1 | /**
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| 2 | ******************************************************************************
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| 3 | * @file stm32f4xx_hal.c
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| 4 | * @author MCD Application Team
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| 5 | * @version V1.4.1
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| 6 | * @date 09-October-2015
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| 7 | * @brief HAL module driver.
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| 8 | * This is the common part of the HAL initialization
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| 9 | *
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| 10 | @verbatim
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| 11 | ==============================================================================
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| 12 | ##### How to use this driver #####
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| 13 | ==============================================================================
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| 14 | [..]
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| 15 | The common HAL driver contains a set of generic and common APIs that can be
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| 16 | used by the PPP peripheral drivers and the user to start using the HAL.
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| 17 | [..]
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| 18 | The HAL contains two APIs' categories:
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| 19 | (+) Common HAL APIs
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| 20 | (+) Services HAL APIs
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| 21 |
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| 22 | @endverbatim
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| 23 | ******************************************************************************
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| 24 | * @attention
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| 25 | *
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| 26 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
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| 27 | *
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| 28 | * Redistribution and use in source and binary forms, with or without modification,
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| 29 | * are permitted provided that the following conditions are met:
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| 30 | * 1. Redistributions of source code must retain the above copyright notice,
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| 31 | * this list of conditions and the following disclaimer.
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| 32 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 33 | * this list of conditions and the following disclaimer in the documentation
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| 34 | * and/or other materials provided with the distribution.
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| 35 | * 3. Neither the name of STMicroelectronics nor the names of its contributors
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| 36 | * may be used to endorse or promote products derived from this software
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| 37 | * without specific prior written permission.
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| 38 | *
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| 39 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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| 40 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| 42 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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| 43 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 44 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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| 45 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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| 46 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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| 47 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 48 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 49 | *
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| 50 | ******************************************************************************
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| 51 | */
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| 52 |
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| 53 | /* Includes ------------------------------------------------------------------*/
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| 54 | #include "stm32f4xx_hal.h"
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| 55 |
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| 56 | /** @addtogroup STM32F4xx_HAL_Driver
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| 57 | * @{
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| 58 | */
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| 59 |
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| 60 | /** @defgroup HAL HAL
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| 61 | * @brief HAL module driver.
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| 62 | * @{
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| 63 | */
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| 64 |
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| 65 | /* Private typedef -----------------------------------------------------------*/
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| 66 | /* Private define ------------------------------------------------------------*/
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| 67 | /** @addtogroup HAL_Private_Constants
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| 68 | * @{
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| 69 | */
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| 70 | /**
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| 71 | * @brief STM32F4xx HAL Driver version number V1.4.1
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| 72 | */
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| 73 | #define __STM32F4xx_HAL_VERSION_MAIN (0x01) /*!< [31:24] main version */
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| 74 | #define __STM32F4xx_HAL_VERSION_SUB1 (0x04) /*!< [23:16] sub1 version */
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| 75 | #define __STM32F4xx_HAL_VERSION_SUB2 (0x01) /*!< [15:8] sub2 version */
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| 76 | #define __STM32F4xx_HAL_VERSION_RC (0x00) /*!< [7:0] release candidate */
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| 77 | #define __STM32F4xx_HAL_VERSION ((__STM32F4xx_HAL_VERSION_MAIN << 24)\
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| 78 | |(__STM32F4xx_HAL_VERSION_SUB1 << 16)\
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| 79 | |(__STM32F4xx_HAL_VERSION_SUB2 << 8 )\
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| 80 | |(__STM32F4xx_HAL_VERSION_RC))
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| 81 |
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| 82 | #define IDCODE_DEVID_MASK ((uint32_t)0x00000FFF)
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| 83 |
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| 84 | /* ------------ RCC registers bit address in the alias region ----------- */
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| 85 | #define SYSCFG_OFFSET (SYSCFG_BASE - PERIPH_BASE)
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| 86 | /* --- MEMRMP Register ---*/
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| 87 | /* Alias word address of UFB_MODE bit */
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| 88 | #define MEMRMP_OFFSET SYSCFG_OFFSET
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| 89 | #define UFB_MODE_BIT_NUMBER POSITION_VAL(SYSCFG_MEMRMP_UFB_MODE)
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| 90 | #define UFB_MODE_BB (uint32_t)(PERIPH_BB_BASE + (MEMRMP_OFFSET * 32) + (UFB_MODE_BIT_NUMBER * 4))
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| 91 |
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| 92 | /* --- CMPCR Register ---*/
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| 93 | /* Alias word address of CMP_PD bit */
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| 94 | #define CMPCR_OFFSET (SYSCFG_OFFSET + 0x20)
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| 95 | #define CMP_PD_BIT_NUMBER POSITION_VAL(SYSCFG_CMPCR_CMP_PD)
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| 96 | #define CMPCR_CMP_PD_BB (uint32_t)(PERIPH_BB_BASE + (CMPCR_OFFSET * 32) + (CMP_PD_BIT_NUMBER * 4))
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| 97 | /**
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| 98 | * @}
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| 99 | */
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| 100 |
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| 101 | /* Private macro -------------------------------------------------------------*/
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| 102 | /* Private variables ---------------------------------------------------------*/
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| 103 | /** @addtogroup HAL_Private_Variables
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| 104 | * @{
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| 105 | */
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| 106 | static __IO uint32_t uwTick;
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| 107 | /**
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| 108 | * @}
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| 109 | */
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| 110 | /* Private function prototypes -----------------------------------------------*/
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| 111 | /* Private functions ---------------------------------------------------------*/
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| 112 |
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| 113 | /** @defgroup HAL_Exported_Functions HAL Exported Functions
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| 114 | * @{
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| 115 | */
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| 116 |
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| 117 | /** @defgroup HAL_Exported_Functions_Group1 Initialization and de-initialization Functions
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| 118 | * @brief Initialization and de-initialization functions
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| 119 | *
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| 120 | @verbatim
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| 121 | ===============================================================================
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| 122 | ##### Initialization and de-initialization functions #####
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| 123 | ===============================================================================
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| 124 | [..] This section provides functions allowing to:
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| 125 | (+) Initializes the Flash interface the NVIC allocation and initial clock
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| 126 | configuration. It initializes the systick also when timeout is needed
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| 127 | and the backup domain when enabled.
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| 128 | (+) de-Initializes common part of the HAL
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| 129 | (+) Configure The time base source to have 1ms time base with a dedicated
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| 130 | Tick interrupt priority.
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| 131 | (++) Systick timer is used by default as source of time base, but user
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| 132 | can eventually implement his proper time base source (a general purpose
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| 133 | timer for example or other time source), keeping in mind that Time base
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| 134 | duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
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| 135 | handled in milliseconds basis.
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| 136 | (++) Time base configuration function (HAL_InitTick ()) is called automatically
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| 137 | at the beginning of the program after reset by HAL_Init() or at any time
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| 138 | when clock is configured, by HAL_RCC_ClockConfig().
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| 139 | (++) Source of time base is configured to generate interrupts at regular
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| 140 | time intervals. Care must be taken if HAL_Delay() is called from a
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| 141 | peripheral ISR process, the Tick interrupt line must have higher priority
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| 142 | (numerically lower) than the peripheral interrupt. Otherwise the caller
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| 143 | ISR process will be blocked.
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| 144 | (++) functions affecting time base configurations are declared as __weak
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| 145 | to make override possible in case of other implementations in user file.
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| 146 | @endverbatim
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| 147 | * @{
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| 148 | */
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| 149 |
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| 150 | /**
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| 151 | * @brief This function is used to initialize the HAL Library; it must be the first
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| 152 | * instruction to be executed in the main program (before to call any other
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| 153 | * HAL function), it performs the following:
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| 154 | * Configure the Flash prefetch, instruction and Data caches.
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| 155 | * Configures the SysTick to generate an interrupt each 1 millisecond,
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| 156 | * which is clocked by the HSI (at this stage, the clock is not yet
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| 157 | * configured and thus the system is running from the internal HSI at 16 MHz).
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| 158 | * Set NVIC Group Priority to 4.
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| 159 | * Calls the HAL_MspInit() callback function defined in user file
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| 160 | * "stm32f4xx_hal_msp.c" to do the global low level hardware initialization
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| 161 | *
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| 162 | * @note SysTick is used as time base for the HAL_Delay() function, the application
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| 163 | * need to ensure that the SysTick time base is always set to 1 millisecond
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| 164 | * to have correct HAL operation.
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| 165 | * @retval HAL status
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| 166 | */
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| 167 | HAL_StatusTypeDef HAL_Init(void)
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| 168 | {
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| 169 | /* Configure Flash prefetch, Instruction cache, Data cache */
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| 170 | #if (INSTRUCTION_CACHE_ENABLE != 0)
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| 171 | __HAL_FLASH_INSTRUCTION_CACHE_ENABLE();
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| 172 | #endif /* INSTRUCTION_CACHE_ENABLE */
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| 173 |
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| 174 | #if (DATA_CACHE_ENABLE != 0)
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| 175 | __HAL_FLASH_DATA_CACHE_ENABLE();
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| 176 | #endif /* DATA_CACHE_ENABLE */
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| 177 |
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| 178 | #if (PREFETCH_ENABLE != 0)
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| 179 | __HAL_FLASH_PREFETCH_BUFFER_ENABLE();
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| 180 | #endif /* PREFETCH_ENABLE */
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| 181 |
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| 182 | /* Set Interrupt Group Priority */
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| 183 | HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
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| 184 |
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| 185 | /* Use systick as time base source and configure 1ms tick (default clock after Reset is HSI) */
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| 186 | HAL_InitTick(TICK_INT_PRIORITY);
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| 187 |
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| 188 | /* Init the low level hardware */
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| 189 | HAL_MspInit();
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| 190 |
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| 191 | /* Return function status */
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| 192 | return HAL_OK;
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| 193 | }
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| 194 |
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| 195 | /**
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| 196 | * @brief This function de-Initializes common part of the HAL and stops the systick.
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| 197 | * This function is optional.
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| 198 | * @retval HAL status
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| 199 | */
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| 200 | HAL_StatusTypeDef HAL_DeInit(void)
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| 201 | {
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| 202 | /* Reset of all peripherals */
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| 203 | __HAL_RCC_APB1_FORCE_RESET();
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| 204 | __HAL_RCC_APB1_RELEASE_RESET();
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| 205 |
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| 206 | __HAL_RCC_APB2_FORCE_RESET();
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| 207 | __HAL_RCC_APB2_RELEASE_RESET();
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| 208 |
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| 209 | __HAL_RCC_AHB1_FORCE_RESET();
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| 210 | __HAL_RCC_AHB1_RELEASE_RESET();
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| 211 |
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| 212 | __HAL_RCC_AHB2_FORCE_RESET();
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| 213 | __HAL_RCC_AHB2_RELEASE_RESET();
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| 214 |
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| 215 | __HAL_RCC_AHB3_FORCE_RESET();
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| 216 | __HAL_RCC_AHB3_RELEASE_RESET();
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| 217 |
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| 218 | /* De-Init the low level hardware */
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| 219 | HAL_MspDeInit();
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| 220 |
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| 221 | /* Return function status */
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| 222 | return HAL_OK;
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| 223 | }
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| 224 |
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| 225 | /**
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| 226 | * @brief Initializes the MSP.
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| 227 | * @retval None
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| 228 | */
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| 229 | __weak void HAL_MspInit(void)
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| 230 | {
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| 231 | /* NOTE : This function Should not be modified, when the callback is needed,
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| 232 | the HAL_MspInit could be implemented in the user file
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| 233 | */
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| 234 | }
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| 235 |
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| 236 | /**
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| 237 | * @brief DeInitializes the MSP.
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| 238 | * @retval None
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| 239 | */
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| 240 | __weak void HAL_MspDeInit(void)
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| 241 | {
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| 242 | /* NOTE : This function Should not be modified, when the callback is needed,
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| 243 | the HAL_MspDeInit could be implemented in the user file
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| 244 | */
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| 245 | }
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| 246 |
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| 247 | /**
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| 248 | * @brief This function configures the source of the time base.
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| 249 | * The time source is configured to have 1ms time base with a dedicated
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| 250 | * Tick interrupt priority.
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| 251 | * @note This function is called automatically at the beginning of program after
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| 252 | * reset by HAL_Init() or at any time when clock is reconfigured by HAL_RCC_ClockConfig().
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| 253 | * @note In the default implementation, SysTick timer is the source of time base.
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| 254 | * It is used to generate interrupts at regular time intervals.
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| 255 | * Care must be taken if HAL_Delay() is called from a peripheral ISR process,
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| 256 | * The the SysTick interrupt must have higher priority (numerically lower)
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| 257 | * than the peripheral interrupt. Otherwise the caller ISR process will be blocked.
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| 258 | * The function is declared as __weak to be overwritten in case of other
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| 259 | * implementation in user file.
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| 260 | * @param TickPriority: Tick interrupt priority.
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| 261 | * @retval HAL status
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| 262 | */
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| 263 | __weak HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority)
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| 264 | {
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| 265 | /*Configure the SysTick to have interrupt in 1ms time basis*/
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| 266 | HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
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| 267 |
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| 268 | /*Configure the SysTick IRQ priority */
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| 269 | HAL_NVIC_SetPriority(SysTick_IRQn, TickPriority ,0);
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| 270 |
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| 271 | /* Return function status */
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| 272 | return HAL_OK;
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| 273 | }
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| 274 |
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| 275 | /**
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| 276 | * @}
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| 277 | */
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| 278 |
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| 279 | /** @defgroup HAL_Exported_Functions_Group2 HAL Control functions
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| 280 | * @brief HAL Control functions
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| 281 | *
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| 282 | @verbatim
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| 283 | ===============================================================================
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| 284 | ##### HAL Control functions #####
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| 285 | ===============================================================================
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| 286 | [..] This section provides functions allowing to:
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| 287 | (+) Provide a tick value in millisecond
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| 288 | (+) Provide a blocking delay in millisecond
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| 289 | (+) Suspend the time base source interrupt
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| 290 | (+) Resume the time base source interrupt
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| 291 | (+) Get the HAL API driver version
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| 292 | (+) Get the device identifier
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| 293 | (+) Get the device revision identifier
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| 294 | (+) Enable/Disable Debug module during SLEEP mode
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| 295 | (+) Enable/Disable Debug module during STOP mode
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| 296 | (+) Enable/Disable Debug module during STANDBY mode
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| 297 |
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| 298 | @endverbatim
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| 299 | * @{
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| 300 | */
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| 301 |
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| 302 | /**
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| 303 | * @brief This function is called to increment a global variable "uwTick"
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| 304 | * used as application time base.
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| 305 | * @note In the default implementation, this variable is incremented each 1ms
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| 306 | * in Systick ISR.
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| 307 | * @note This function is declared as __weak to be overwritten in case of other
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| 308 | * implementations in user file.
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| 309 | * @retval None
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| 310 | */
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| 311 | __weak void HAL_IncTick(void)
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| 312 | {
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| 313 | uwTick++;
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| 314 | }
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| 315 |
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| 316 | /**
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| 317 | * @brief Provides a tick value in millisecond.
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| 318 | * @note This function is declared as __weak to be overwritten in case of other
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| 319 | * implementations in user file.
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| 320 | * @retval tick value
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| 321 | */
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| 322 | __weak uint32_t HAL_GetTick(void)
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| 323 | {
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| 324 | return uwTick;
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| 325 | }
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| 326 |
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| 327 | /**
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| 328 | * @brief This function provides accurate delay (in milliseconds) based
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| 329 | * on variable incremented.
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| 330 | * @note In the default implementation , SysTick timer is the source of time base.
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| 331 | * It is used to generate interrupts at regular time intervals where uwTick
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| 332 | * is incremented.
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| 333 | * @note This function is declared as __weak to be overwritten in case of other
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| 334 | * implementations in user file.
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| 335 | * @param Delay: specifies the delay time length, in milliseconds.
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| 336 | * @retval None
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| 337 | */
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| 338 | __weak void HAL_Delay(__IO uint32_t Delay)
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| 339 | {
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| 340 | uint32_t tickstart = 0;
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| 341 | tickstart = HAL_GetTick();
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| 342 | while((HAL_GetTick() - tickstart) < Delay)
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| 343 | {
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| 344 | }
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| 345 | }
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| 346 |
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| 347 | /**
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| 348 | * @brief Suspend Tick increment.
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| 349 | * @note In the default implementation , SysTick timer is the source of time base. It is
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| 350 | * used to generate interrupts at regular time intervals. Once HAL_SuspendTick()
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| 351 | * is called, the SysTick interrupt will be disabled and so Tick increment
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| 352 | * is suspended.
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| 353 | * @note This function is declared as __weak to be overwritten in case of other
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| 354 | * implementations in user file.
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| 355 | * @retval None
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| 356 | */
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| 357 | __weak void HAL_SuspendTick(void)
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| 358 | {
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| 359 | /* Disable SysTick Interrupt */
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| 360 | SysTick->CTRL &= ~SysTick_CTRL_TICKINT_Msk;
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| 361 | }
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| 362 |
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| 363 | /**
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| 364 | * @brief Resume Tick increment.
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| 365 | * @note In the default implementation , SysTick timer is the source of time base. It is
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| 366 | * used to generate interrupts at regular time intervals. Once HAL_ResumeTick()
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| 367 | * is called, the SysTick interrupt will be enabled and so Tick increment
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| 368 | * is resumed.
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| 369 | * @note This function is declared as __weak to be overwritten in case of other
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| 370 | * implementations in user file.
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| 371 | * @retval None
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| 372 | */
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| 373 | __weak void HAL_ResumeTick(void)
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| 374 | {
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| 375 | /* Enable SysTick Interrupt */
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| 376 | SysTick->CTRL |= SysTick_CTRL_TICKINT_Msk;
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| 377 | }
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| 378 |
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| 379 | /**
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| 380 | * @brief Returns the HAL revision
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| 381 | * @retval version : 0xXYZR (8bits for each decimal, R for RC)
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| 382 | */
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| 383 | uint32_t HAL_GetHalVersion(void)
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| 384 | {
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| 385 | return __STM32F4xx_HAL_VERSION;
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| 386 | }
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| 387 |
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| 388 | /**
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| 389 | * @brief Returns the device revision identifier.
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| 390 | * @retval Device revision identifier
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| 391 | */
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| 392 | uint32_t HAL_GetREVID(void)
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| 393 | {
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| 394 | return((DBGMCU->IDCODE) >> 16);
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| 395 | }
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| 396 |
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| 397 | /**
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| 398 | * @brief Returns the device identifier.
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| 399 | * @retval Device identifier
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| 400 | */
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| 401 | uint32_t HAL_GetDEVID(void)
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| 402 | {
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| 403 | return((DBGMCU->IDCODE) & IDCODE_DEVID_MASK);
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| 404 | }
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| 405 |
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| 406 | /**
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| 407 | * @brief Enable the Debug Module during SLEEP mode
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| 408 | * @retval None
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| 409 | */
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| 410 | void HAL_DBGMCU_EnableDBGSleepMode(void)
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| 411 | {
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| 412 | SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP);
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| 413 | }
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| 414 |
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| 415 | /**
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| 416 | * @brief Disable the Debug Module during SLEEP mode
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| 417 | * @retval None
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| 418 | */
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| 419 | void HAL_DBGMCU_DisableDBGSleepMode(void)
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| 420 | {
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| 421 | CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP);
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| 422 | }
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| 423 |
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| 424 | /**
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| 425 | * @brief Enable the Debug Module during STOP mode
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| 426 | * @retval None
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| 427 | */
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| 428 | void HAL_DBGMCU_EnableDBGStopMode(void)
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| 429 | {
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| 430 | SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP);
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| 431 | }
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| 432 |
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| 433 | /**
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| 434 | * @brief Disable the Debug Module during STOP mode
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| 435 | * @retval None
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| 436 | */
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| 437 | void HAL_DBGMCU_DisableDBGStopMode(void)
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| 438 | {
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| 439 | CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP);
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| 440 | }
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| 441 |
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| 442 | /**
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| 443 | * @brief Enable the Debug Module during STANDBY mode
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| 444 | * @retval None
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| 445 | */
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| 446 | void HAL_DBGMCU_EnableDBGStandbyMode(void)
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| 447 | {
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| 448 | SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY);
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| 449 | }
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| 450 |
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| 451 | /**
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| 452 | * @brief Disable the Debug Module during STANDBY mode
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| 453 | * @retval None
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| 454 | */
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| 455 | void HAL_DBGMCU_DisableDBGStandbyMode(void)
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| 456 | {
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| 457 | CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY);
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| 458 | }
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| 459 |
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| 460 | /**
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| 461 | * @brief Enables the I/O Compensation Cell.
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| 462 | * @note The I/O compensation cell can be used only when the device supply
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| 463 | * voltage ranges from 2.4 to 3.6 V.
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| 464 | * @retval None
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| 465 | */
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| 466 | void HAL_EnableCompensationCell(void)
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| 467 | {
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| 468 | *(__IO uint32_t *)CMPCR_CMP_PD_BB = (uint32_t)ENABLE;
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| 469 | }
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| 470 |
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| 471 | /**
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| 472 | * @brief Power-down the I/O Compensation Cell.
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| 473 | * @note The I/O compensation cell can be used only when the device supply
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| 474 | * voltage ranges from 2.4 to 3.6 V.
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| 475 | * @retval None
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| 476 | */
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| 477 | void HAL_DisableCompensationCell(void)
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| 478 | {
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| 479 | *(__IO uint32_t *)CMPCR_CMP_PD_BB = (uint32_t)DISABLE;
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| 480 | }
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| 481 |
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| 482 | #if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx)|| defined(STM32F439xx) ||\
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| 483 | defined(STM32F469xx) || defined(STM32F479xx)
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| 484 | /**
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| 485 | * @brief Enables the Internal FLASH Bank Swapping.
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| 486 | *
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| 487 | * @note This function can be used only for STM32F42xxx/43xxx devices.
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| 488 | *
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| 489 | * @note Flash Bank2 mapped at 0x08000000 (and aliased @0x00000000)
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| 490 | * and Flash Bank1 mapped at 0x08100000 (and aliased at 0x00100000)
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| 491 | *
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| 492 | * @retval None
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| 493 | */
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| 494 | void HAL_EnableMemorySwappingBank(void)
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| 495 | {
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| 496 | *(__IO uint32_t *)UFB_MODE_BB = (uint32_t)ENABLE;
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| 497 | }
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| 498 |
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| 499 | /**
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| 500 | * @brief Disables the Internal FLASH Bank Swapping.
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| 501 | *
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| 502 | * @note This function can be used only for STM32F42xxx/43xxx devices.
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| 503 | *
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| 504 | * @note The default state : Flash Bank1 mapped at 0x08000000 (and aliased @0x0000 0000)
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| 505 | * and Flash Bank2 mapped at 0x08100000 (and aliased at 0x00100000)
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| 506 | *
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| 507 | * @retval None
|
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| 508 | */
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| 509 | void HAL_DisableMemorySwappingBank(void)
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| 510 | {
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| 511 |
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| 512 | *(__IO uint32_t *)UFB_MODE_BB = (uint32_t)DISABLE;
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| 513 | }
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| 514 | #endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx */
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| 515 |
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| 516 | /**
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| 517 | * @}
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| 518 | */
|
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| 519 |
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| 520 | /**
|
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| 521 | * @}
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| 522 | */
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| 523 |
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| 524 | /**
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| 525 | * @}
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| 526 | */
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| 527 |
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| 528 | /**
|
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| 529 | * @}
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| 530 | */
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| 531 |
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| 532 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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