mirror of https://github.com/Desuuuu/klipper.git
lib: Added cmsis libraries for stm32h7
Signed-off-by: Konstantin Vogel <konstantin.vogel@gmx.net> Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
D4SK
Kevin O'Connor
parent
309fbbc104
commit
53b98ebaed
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@ -58,6 +58,11 @@ The stm32f4 directory contains code from:
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version v1.24.1 (b5abca20c9676b04f8d2885a668a9b653ee65705). Contents
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taken from the Drivers/CMSIS/Device/ST/STM32F4xx/ directory.
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The stm32h7 directory contains code from:
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https://github.com/STMicroelectronics/STM32CubeH7
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version v1.7.0 (79196b09acfb720589f58e93ccf956401b18a191). Contents
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taken from the Drivers/CMSIS/Device/ST/STM32H7xx/ directory.
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The rp2040 directory contains code from the pico sdk:
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https://github.com/raspberrypi/pico-sdk.git
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version 1.2.0 (bfcbefafc5d2a210551a4d9d80b4303d4ae0adf7). It has been
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/**
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******************************************************************************
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* @file stm32h7xx.h
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* @author MCD Application Team
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* @brief CMSIS STM32H7xx Device Peripheral Access Layer Header File.
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*
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* The file is the unique include file that the application programmer
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* is using in the C source code, usually in main.c. This file contains:
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* - Configuration section that allows to select:
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* - The STM32H7xx device used in the target application
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* - To use or not the peripheral’s drivers in application code(i.e.
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* code will be based on direct access to peripheral’s registers
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* rather than drivers API), this option is controlled by
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* "#define USE_HAL_DRIVER"
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*
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2017 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/** @addtogroup CMSIS
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* @{
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*/
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/** @addtogroup stm32h7xx
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* @{
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*/
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#ifndef STM32H7xx_H
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#define STM32H7xx_H
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/** @addtogroup Library_configuration_section
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* @{
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*/
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/**
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* @brief STM32 Family
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*/
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#if !defined (STM32H7)
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#define STM32H7
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#endif /* STM32H7 */
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/* Uncomment the line below according to the target STM32H7 device used in your
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application
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*/
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#if !defined (STM32H743xx) && !defined (STM32H753xx) && !defined (STM32H750xx) && !defined (STM32H742xx) && \
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!defined (STM32H745xx) && !defined (STM32H755xx) && !defined (STM32H747xx) && !defined (STM32H757xx) && \
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!defined (STM32H7A3xx) && !defined (STM32H7A3xxQ) && !defined (STM32H7B3xx) && !defined (STM32H7B3xxQ) && !defined (STM32H7B0xx) && !defined (STM32H7B0xxQ)
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/* #define STM32H742xx */ /*!< STM32H742VI, STM32H742ZI, STM32H742AI, STM32H742II, STM32H742BI, STM32H742XI Devices */
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/* #define STM32H743xx */ /*!< STM32H743VI, STM32H743ZI, STM32H743AI, STM32H743II, STM32H743BI, STM32H743XI Devices */
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/* #define STM32H753xx */ /*!< STM32H753VI, STM32H753ZI, STM32H753AI, STM32H753II, STM32H753BI, STM32H753XI Devices */
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/* #define STM32H750xx */ /*!< STM32H750V, STM32H750I, STM32H750X Devices */
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/* #define STM32H747xx */ /*!< STM32H747ZI, STM32H747AI, STM32H747II, STM32H747BI, STM32H747XI Devices */
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/* #define STM32H757xx */ /*!< STM32H757ZI, STM32H757AI, STM32H757II, STM32H757BI, STM32H757XI Devices */
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/* #define STM32H745xx */ /*!< STM32H745ZI, STM32H745II, STM32H745BI, STM32H745XI Devices */
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/* #define STM32H755xx */ /*!< STM32H755ZI, STM32H755II, STM32H755BI, STM32H755XI Devices */
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/* #define STM32H7B0xx */ /*!< STM32H7B0ABIxQ, STM32H7B0IBTx, STM32H7B0RBTx, STM32H7B0VBTx, STM32H7B0ZBTx, STM32H7B0IBKxQ */
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/* #define STM32H7A3xx */ /*!< STM32H7A3IIK6, STM32H7A3IIT6, STM32H7A3NIH6, STM32H7A3RIT6, STM32H7A3VIH6, STM32H7A3VIT6, STM32H7A3ZIT6 */
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/* #define STM32H7A3xxQ */ /*!< STM32H7A3QIY6Q, STM32H7A3IIK6Q, STM32H7A3IIT6Q, STM32H7A3LIH6Q, STM32H7A3VIH6Q, STM32H7A3VIT6Q, STM32H7A3AII6Q, STM32H7A3ZIT6Q */
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/* #define STM32H7B3xx */ /*!< STM32H7B3IIK6, STM32H7B3IIT6, STM32H7B3NIH6, STM32H7B3RIT6, STM32H7B3VIH6, STM32H7B3VIT6, STM32H7B3ZIT6 */
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/* #define STM32H7B3xxQ */ /*!< STM32H7B3QIY6Q, STM32H7B3IIK6Q, STM32H7B3IIT6Q, STM32H7B3LIH6Q, STM32H7B3VIH6Q, STM32H7B3VIT6Q, STM32H7B3AII6Q, STM32H7B3ZIT6Q */
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#endif
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/* Tip: To avoid modifying this file each time you need to switch between these
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devices, you can define the device in your toolchain compiler preprocessor.
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*/
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#if defined(DUAL_CORE) && !defined(CORE_CM4) && !defined(CORE_CM7)
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#error "Dual core device, please select CORE_CM4 or CORE_CM7"
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#endif
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#if !defined (USE_HAL_DRIVER)
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/**
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* @brief Comment the line below if you will not use the peripherals drivers.
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In this case, these drivers will not be included and the application code will
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be based on direct access to peripherals registers
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*/
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/*#define USE_HAL_DRIVER */
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#endif /* USE_HAL_DRIVER */
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/**
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* @brief CMSIS Device version number V1.8.0
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*/
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#define __STM32H7xx_CMSIS_DEVICE_VERSION_MAIN (0x01) /*!< [31:24] main version */
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#define __STM32H7xx_CMSIS_DEVICE_VERSION_SUB1 (0x08) /*!< [23:16] sub1 version */
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#define __STM32H7xx_CMSIS_DEVICE_VERSION_SUB2 (0x00) /*!< [15:8] sub2 version */
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#define __STM32H7xx_CMSIS_DEVICE_VERSION_RC (0x00) /*!< [7:0] release candidate */
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#define __STM32H7xx_CMSIS_DEVICE_VERSION ((__CMSIS_DEVICE_VERSION_MAIN << 24)\
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|(__CMSIS_DEVICE_HAL_VERSION_SUB1 << 16)\
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|(__CMSIS_DEVICE_HAL_VERSION_SUB2 << 8 )\
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|(__CMSIS_DEVICE_HAL_VERSION_RC))
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/**
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* @}
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*/
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/** @addtogroup Device_Included
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* @{
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*/
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#if defined(STM32H743xx)
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#include "stm32h743xx.h"
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#elif defined(STM32H753xx)
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#include "stm32h753xx.h"
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#elif defined(STM32H750xx)
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#include "stm32h750xx.h"
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#elif defined(STM32H742xx)
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#include "stm32h742xx.h"
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#elif defined(STM32H745xx)
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#include "stm32h745xx.h"
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#elif defined(STM32H755xx)
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#include "stm32h755xx.h"
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#elif defined(STM32H747xx)
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#include "stm32h747xx.h"
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#elif defined(STM32H757xx)
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#include "stm32h757xx.h"
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#elif defined(STM32H7B0xx)
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#include "stm32h7b0xx.h"
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#elif defined(STM32H7B0xxQ)
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#include "stm32h7b0xxq.h"
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#elif defined(STM32H7A3xx)
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#include "stm32h7a3xx.h"
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#elif defined(STM32H7B3xx)
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#include "stm32h7b3xx.h"
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#elif defined(STM32H7A3xxQ)
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#include "stm32h7a3xxq.h"
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#elif defined(STM32H7B3xxQ)
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#include "stm32h7b3xxq.h"
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#else
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#error "Please select first the target STM32H7xx device used in your application (in stm32h7xx.h file)"
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#endif
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/**
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* @}
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*/
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/** @addtogroup Exported_types
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* @{
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*/
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typedef enum
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{
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RESET = 0,
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SET = !RESET
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} FlagStatus, ITStatus;
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typedef enum
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{
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DISABLE = 0,
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ENABLE = !DISABLE
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} FunctionalState;
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#define IS_FUNCTIONAL_STATE(STATE) (((STATE) == DISABLE) || ((STATE) == ENABLE))
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typedef enum
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{
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SUCCESS = 0,
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ERROR = !SUCCESS
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} ErrorStatus;
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/**
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* @}
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*/
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/** @addtogroup Exported_macros
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* @{
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*/
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#define SET_BIT(REG, BIT) ((REG) |= (BIT))
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#define CLEAR_BIT(REG, BIT) ((REG) &= ~(BIT))
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#define READ_BIT(REG, BIT) ((REG) & (BIT))
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#define CLEAR_REG(REG) ((REG) = (0x0))
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#define WRITE_REG(REG, VAL) ((REG) = (VAL))
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#define READ_REG(REG) ((REG))
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#define MODIFY_REG(REG, CLEARMASK, SETMASK) WRITE_REG((REG), (((READ_REG(REG)) & (~(CLEARMASK))) | (SETMASK)))
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#define POSITION_VAL(VAL) (__CLZ(__RBIT(VAL)))
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/**
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* @}
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*/
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#if defined (USE_HAL_DRIVER)
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#include "stm32h7xx_hal.h"
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#endif /* USE_HAL_DRIVER */
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* STM32H7xx_H */
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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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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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@ -0,0 +1,105 @@
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/**
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******************************************************************************
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* @file system_stm32h7xx.h
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* @author MCD Application Team
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* @brief CMSIS Cortex-Mx Device System Source File for STM32H7xx devices.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2017 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/** @addtogroup CMSIS
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* @{
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*/
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/** @addtogroup stm32h7xx_system
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* @{
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*/
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/**
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* @brief Define to prevent recursive inclusion
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*/
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#ifndef SYSTEM_STM32H7XX_H
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#define SYSTEM_STM32H7XX_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** @addtogroup STM32H7xx_System_Includes
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* @{
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*/
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/**
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* @}
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*/
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/** @addtogroup STM32H7xx_System_Exported_types
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* @{
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*/
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/* This variable is updated in three ways:
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1) by calling CMSIS function SystemCoreClockUpdate()
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2) by calling HAL API function HAL_RCC_GetSysClockFreq()
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3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
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Note: If you use this function to configure the system clock; then there
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is no need to call the 2 first functions listed above, since SystemCoreClock
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variable is updated automatically.
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*/
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extern uint32_t SystemCoreClock; /*!< System Domain1 Clock Frequency */
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extern uint32_t SystemD2Clock; /*!< System Domain2 Clock Frequency */
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extern const uint8_t D1CorePrescTable[16] ; /*!< D1CorePrescTable prescalers table values */
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/**
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* @}
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*/
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/** @addtogroup STM32H7xx_System_Exported_Constants
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* @{
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*/
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/**
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* @}
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*/
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/** @addtogroup STM32H7xx_System_Exported_Macros
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* @{
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*/
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/**
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* @}
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*/
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/** @addtogroup STM32H7xx_System_Exported_Functions
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* @{
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*/
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extern void SystemInit(void);
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extern void SystemCoreClockUpdate(void);
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* SYSTEM_STM32H7XX_H */
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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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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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@ -0,0 +1,399 @@
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/**
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******************************************************************************
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* @file system_stm32h7xx.c
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* @author MCD Application Team
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* @brief CMSIS Cortex-Mx Device Peripheral Access Layer System Source File.
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*
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* This file provides two functions and one global variable to be called from
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* user application:
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* - SystemInit(): This function is called at startup just after reset and
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* before branch to main program. This call is made inside
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* the "startup_stm32h7xx.s" file.
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*
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* - SystemCoreClock variable: Contains the core clock, it can be used
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* by the user application to setup the SysTick
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* timer or configure other parameters.
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*
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* - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must
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* be called whenever the core clock is changed
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* during program execution.
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*
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*
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2017 STMicroelectronics.
|
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* All rights reserved.</center></h2>
|
||||
*
|
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* This software component is licensed by ST under BSD 3-Clause license,
|
||||
* the "License"; You may not use this file except in compliance with the
|
||||
* License. You may obtain a copy of the License at:
|
||||
* opensource.org/licenses/BSD-3-Clause
|
||||
*
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******************************************************************************
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*/
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/** @addtogroup CMSIS
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* @{
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*/
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/** @addtogroup stm32h7xx_system
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* @{
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*/
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/** @addtogroup STM32H7xx_System_Private_Includes
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* @{
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*/
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#include "stm32h7xx.h"
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#include <math.h>
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#if !defined (HSE_VALUE)
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#define HSE_VALUE ((uint32_t)25000000) /*!< Value of the External oscillator in Hz */
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#endif /* HSE_VALUE */
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#if !defined (CSI_VALUE)
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#define CSI_VALUE ((uint32_t)4000000) /*!< Value of the Internal oscillator in Hz*/
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#endif /* CSI_VALUE */
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#if !defined (HSI_VALUE)
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#define HSI_VALUE ((uint32_t)64000000) /*!< Value of the Internal oscillator in Hz*/
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#endif /* HSI_VALUE */
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/**
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* @}
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*/
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/** @addtogroup STM32H7xx_System_Private_TypesDefinitions
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* @{
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*/
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/**
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* @}
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*/
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/** @addtogroup STM32H7xx_System_Private_Defines
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* @{
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*/
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/************************* Miscellaneous Configuration ************************/
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/*!< Uncomment the following line if you need to use initialized data in D2 domain SRAM (AHB SRAM) */
|
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/* #define DATA_IN_D2_SRAM */
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|
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/*!< Uncomment the following line if you need to relocate your vector Table in
|
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Internal SRAM. */
|
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/* #define VECT_TAB_SRAM */
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#define VECT_TAB_OFFSET 0x00000000UL /*!< Vector Table base offset field.
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This value must be a multiple of 0x200. */
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/******************************************************************************/
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/**
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* @}
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*/
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/** @addtogroup STM32H7xx_System_Private_Macros
|
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* @{
|
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*/
|
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/**
|
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* @}
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*/
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|
||||
/** @addtogroup STM32H7xx_System_Private_Variables
|
||||
* @{
|
||||
*/
|
||||
/* This variable is updated in three ways:
|
||||
1) by calling CMSIS function SystemCoreClockUpdate()
|
||||
2) by calling HAL API function HAL_RCC_GetHCLKFreq()
|
||||
3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
|
||||
Note: If you use this function to configure the system clock; then there
|
||||
is no need to call the 2 first functions listed above, since SystemCoreClock
|
||||
variable is updated automatically.
|
||||
*/
|
||||
uint32_t SystemCoreClock = 64000000;
|
||||
uint32_t SystemD2Clock = 64000000;
|
||||
const uint8_t D1CorePrescTable[16] = {0, 0, 0, 0, 1, 2, 3, 4, 1, 2, 3, 4, 6, 7, 8, 9};
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32H7xx_System_Private_FunctionPrototypes
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32H7xx_System_Private_Functions
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @brief Setup the microcontroller system
|
||||
* Initialize the FPU setting and vector table location
|
||||
* configuration.
|
||||
* @param None
|
||||
* @retval None
|
||||
*/
|
||||
void SystemInit (void)
|
||||
{
|
||||
#if defined (DATA_IN_D2_SRAM)
|
||||
__IO uint32_t tmpreg;
|
||||
#endif /* DATA_IN_D2_SRAM */
|
||||
|
||||
/* FPU settings ------------------------------------------------------------*/
|
||||
#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
|
||||
SCB->CPACR |= ((3UL << (10*2))|(3UL << (11*2))); /* set CP10 and CP11 Full Access */
|
||||
#endif
|
||||
/* Reset the RCC clock configuration to the default reset state ------------*/
|
||||
/* Set HSION bit */
|
||||
RCC->CR |= RCC_CR_HSION;
|
||||
|
||||
/* Reset CFGR register */
|
||||
RCC->CFGR = 0x00000000;
|
||||
|
||||
/* Reset HSEON, CSSON , CSION,RC48ON, CSIKERON PLL1ON, PLL2ON and PLL3ON bits */
|
||||
RCC->CR &= 0xEAF6ED7FU;
|
||||
|
||||
#if defined(D3_SRAM_BASE)
|
||||
/* Reset D1CFGR register */
|
||||
RCC->D1CFGR = 0x00000000;
|
||||
|
||||
/* Reset D2CFGR register */
|
||||
RCC->D2CFGR = 0x00000000;
|
||||
|
||||
/* Reset D3CFGR register */
|
||||
RCC->D3CFGR = 0x00000000;
|
||||
#else
|
||||
/* Reset CDCFGR1 register */
|
||||
RCC->CDCFGR1 = 0x00000000;
|
||||
|
||||
/* Reset CDCFGR2 register */
|
||||
RCC->CDCFGR2 = 0x00000000;
|
||||
|
||||
/* Reset SRDCFGR register */
|
||||
RCC->SRDCFGR = 0x00000000;
|
||||
#endif
|
||||
/* Reset PLLCKSELR register */
|
||||
RCC->PLLCKSELR = 0x00000000;
|
||||
|
||||
/* Reset PLLCFGR register */
|
||||
RCC->PLLCFGR = 0x00000000;
|
||||
/* Reset PLL1DIVR register */
|
||||
RCC->PLL1DIVR = 0x00000000;
|
||||
/* Reset PLL1FRACR register */
|
||||
RCC->PLL1FRACR = 0x00000000;
|
||||
|
||||
/* Reset PLL2DIVR register */
|
||||
RCC->PLL2DIVR = 0x00000000;
|
||||
|
||||
/* Reset PLL2FRACR register */
|
||||
|
||||
RCC->PLL2FRACR = 0x00000000;
|
||||
/* Reset PLL3DIVR register */
|
||||
RCC->PLL3DIVR = 0x00000000;
|
||||
|
||||
/* Reset PLL3FRACR register */
|
||||
RCC->PLL3FRACR = 0x00000000;
|
||||
|
||||
/* Reset HSEBYP bit */
|
||||
RCC->CR &= 0xFFFBFFFFU;
|
||||
|
||||
/* Disable all interrupts */
|
||||
RCC->CIER = 0x00000000;
|
||||
|
||||
#if (STM32H7_DEV_ID == 0x450UL)
|
||||
/* dual core CM7 or single core line */
|
||||
if((DBGMCU->IDCODE & 0xFFFF0000U) < 0x20000000U)
|
||||
{
|
||||
/* if stm32h7 revY*/
|
||||
/* Change the switch matrix read issuing capability to 1 for the AXI SRAM target (Target 7) */
|
||||
*((__IO uint32_t*)0x51008108) = 0x000000001U;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined (DATA_IN_D2_SRAM)
|
||||
/* in case of initialized data in D2 SRAM (AHB SRAM) , enable the D2 SRAM clock (AHB SRAM clock) */
|
||||
#if defined(RCC_AHB2ENR_D2SRAM3EN)
|
||||
RCC->AHB2ENR |= (RCC_AHB2ENR_D2SRAM1EN | RCC_AHB2ENR_D2SRAM2EN | RCC_AHB2ENR_D2SRAM3EN);
|
||||
#elif defined(RCC_AHB2ENR_D2SRAM2EN)
|
||||
RCC->AHB2ENR |= (RCC_AHB2ENR_D2SRAM1EN | RCC_AHB2ENR_D2SRAM2EN);
|
||||
#else
|
||||
RCC->AHB2ENR |= (RCC_AHB2ENR_AHBSRAM1EN | RCC_AHB2ENR_AHBSRAM2EN);
|
||||
#endif /* RCC_AHB2ENR_D2SRAM3EN */
|
||||
|
||||
tmpreg = RCC->AHB2ENR;
|
||||
(void) tmpreg;
|
||||
#endif /* DATA_IN_D2_SRAM */
|
||||
|
||||
#if defined(DUAL_CORE) && defined(CORE_CM4)
|
||||
/* Configure the Vector Table location add offset address for cortex-M4 ------------------*/
|
||||
#ifdef VECT_TAB_SRAM
|
||||
SCB->VTOR = D2_AHBSRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */
|
||||
#else
|
||||
SCB->VTOR = FLASH_BANK2_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */
|
||||
#endif /* VECT_TAB_SRAM */
|
||||
|
||||
#else
|
||||
|
||||
/* Configure the Vector Table location add offset address for cortex-M7 ------------------*/
|
||||
#ifdef VECT_TAB_SRAM
|
||||
SCB->VTOR = D1_AXISRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal AXI-RAM */
|
||||
#else
|
||||
SCB->VTOR = FLASH_BANK1_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */
|
||||
#endif
|
||||
|
||||
#endif /*DUAL_CORE && CORE_CM4*/
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Update SystemCoreClock variable according to Clock Register Values.
|
||||
* The SystemCoreClock variable contains the core clock , it can
|
||||
* be used by the user application to setup the SysTick timer or configure
|
||||
* other parameters.
|
||||
*
|
||||
* @note Each time the core clock changes, this function must be called
|
||||
* to update SystemCoreClock variable value. Otherwise, any configuration
|
||||
* based on this variable will be incorrect.
|
||||
*
|
||||
* @note - The system frequency computed by this function is not the real
|
||||
* frequency in the chip. It is calculated based on the predefined
|
||||
* constant and the selected clock source:
|
||||
*
|
||||
* - If SYSCLK source is CSI, SystemCoreClock will contain the CSI_VALUE(*)
|
||||
* - If SYSCLK source is HSI, SystemCoreClock will contain the HSI_VALUE(**)
|
||||
* - If SYSCLK source is HSE, SystemCoreClock will contain the HSE_VALUE(***)
|
||||
* - If SYSCLK source is PLL, SystemCoreClock will contain the CSI_VALUE(*),
|
||||
* HSI_VALUE(**) or HSE_VALUE(***) multiplied/divided by the PLL factors.
|
||||
*
|
||||
* (*) CSI_VALUE is a constant defined in stm32h7xx_hal.h file (default value
|
||||
* 4 MHz) but the real value may vary depending on the variations
|
||||
* in voltage and temperature.
|
||||
* (**) HSI_VALUE is a constant defined in stm32h7xx_hal.h file (default value
|
||||
* 64 MHz) but the real value may vary depending on the variations
|
||||
* in voltage and temperature.
|
||||
*
|
||||
* (***)HSE_VALUE is a constant defined in stm32h7xx_hal.h file (default value
|
||||
* 25 MHz), user has to ensure that HSE_VALUE is same as the real
|
||||
* frequency of the crystal used. Otherwise, this function may
|
||||
* have wrong result.
|
||||
*
|
||||
* - The result of this function could be not correct when using fractional
|
||||
* value for HSE crystal.
|
||||
* @param None
|
||||
* @retval None
|
||||
*/
|
||||
void SystemCoreClockUpdate (void)
|
||||
{
|
||||
uint32_t pllp, pllsource, pllm, pllfracen, hsivalue, tmp;
|
||||
uint32_t common_system_clock;
|
||||
float_t fracn1, pllvco;
|
||||
|
||||
|
||||
/* Get SYSCLK source -------------------------------------------------------*/
|
||||
|
||||
switch (RCC->CFGR & RCC_CFGR_SWS)
|
||||
{
|
||||
case RCC_CFGR_SWS_HSI: /* HSI used as system clock source */
|
||||
common_system_clock = (uint32_t) (HSI_VALUE >> ((RCC->CR & RCC_CR_HSIDIV)>> 3));
|
||||
break;
|
||||
|
||||
case RCC_CFGR_SWS_CSI: /* CSI used as system clock source */
|
||||
common_system_clock = CSI_VALUE;
|
||||
break;
|
||||
|
||||
case RCC_CFGR_SWS_HSE: /* HSE used as system clock source */
|
||||
common_system_clock = HSE_VALUE;
|
||||
break;
|
||||
|
||||
case RCC_CFGR_SWS_PLL1: /* PLL1 used as system clock source */
|
||||
|
||||
/* PLL_VCO = (HSE_VALUE or HSI_VALUE or CSI_VALUE/ PLLM) * PLLN
|
||||
SYSCLK = PLL_VCO / PLLR
|
||||
*/
|
||||
pllsource = (RCC->PLLCKSELR & RCC_PLLCKSELR_PLLSRC);
|
||||
pllm = ((RCC->PLLCKSELR & RCC_PLLCKSELR_DIVM1)>> 4) ;
|
||||
pllfracen = ((RCC->PLLCFGR & RCC_PLLCFGR_PLL1FRACEN)>>RCC_PLLCFGR_PLL1FRACEN_Pos);
|
||||
fracn1 = (float_t)(uint32_t)(pllfracen* ((RCC->PLL1FRACR & RCC_PLL1FRACR_FRACN1)>> 3));
|
||||
|
||||
if (pllm != 0U)
|
||||
{
|
||||
switch (pllsource)
|
||||
{
|
||||
case RCC_PLLCKSELR_PLLSRC_HSI: /* HSI used as PLL clock source */
|
||||
|
||||
hsivalue = (HSI_VALUE >> ((RCC->CR & RCC_CR_HSIDIV)>> 3)) ;
|
||||
pllvco = ( (float_t)hsivalue / (float_t)pllm) * ((float_t)(uint32_t)(RCC->PLL1DIVR & RCC_PLL1DIVR_N1) + (fracn1/(float_t)0x2000) +(float_t)1 );
|
||||
|
||||
break;
|
||||
|
||||
case RCC_PLLCKSELR_PLLSRC_CSI: /* CSI used as PLL clock source */
|
||||
pllvco = ((float_t)CSI_VALUE / (float_t)pllm) * ((float_t)(uint32_t)(RCC->PLL1DIVR & RCC_PLL1DIVR_N1) + (fracn1/(float_t)0x2000) +(float_t)1 );
|
||||
break;
|
||||
|
||||
case RCC_PLLCKSELR_PLLSRC_HSE: /* HSE used as PLL clock source */
|
||||
pllvco = ((float_t)HSE_VALUE / (float_t)pllm) * ((float_t)(uint32_t)(RCC->PLL1DIVR & RCC_PLL1DIVR_N1) + (fracn1/(float_t)0x2000) +(float_t)1 );
|
||||
break;
|
||||
|
||||
default:
|
||||
pllvco = ((float_t)CSI_VALUE / (float_t)pllm) * ((float_t)(uint32_t)(RCC->PLL1DIVR & RCC_PLL1DIVR_N1) + (fracn1/(float_t)0x2000) +(float_t)1 );
|
||||
break;
|
||||
}
|
||||
pllp = (((RCC->PLL1DIVR & RCC_PLL1DIVR_P1) >>9) + 1U ) ;
|
||||
common_system_clock = (uint32_t)(float_t)(pllvco/(float_t)pllp);
|
||||
}
|
||||
else
|
||||
{
|
||||
common_system_clock = 0U;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
common_system_clock = CSI_VALUE;
|
||||
break;
|
||||
}
|
||||
|
||||
/* Compute SystemClock frequency --------------------------------------------------*/
|
||||
#if defined (RCC_D1CFGR_D1CPRE)
|
||||
tmp = D1CorePrescTable[(RCC->D1CFGR & RCC_D1CFGR_D1CPRE)>> RCC_D1CFGR_D1CPRE_Pos];
|
||||
|
||||
/* common_system_clock frequency : CM7 CPU frequency */
|
||||
common_system_clock >>= tmp;
|
||||
|
||||
/* SystemD2Clock frequency : CM4 CPU, AXI and AHBs Clock frequency */
|
||||
SystemD2Clock = (common_system_clock >> ((D1CorePrescTable[(RCC->D1CFGR & RCC_D1CFGR_HPRE)>> RCC_D1CFGR_HPRE_Pos]) & 0x1FU));
|
||||
|
||||
#else
|
||||
tmp = D1CorePrescTable[(RCC->CDCFGR1 & RCC_CDCFGR1_CDCPRE)>> RCC_CDCFGR1_CDCPRE_Pos];
|
||||
|
||||
/* common_system_clock frequency : CM7 CPU frequency */
|
||||
common_system_clock >>= tmp;
|
||||
|
||||
/* SystemD2Clock frequency : AXI and AHBs Clock frequency */
|
||||
SystemD2Clock = (common_system_clock >> ((D1CorePrescTable[(RCC->CDCFGR1 & RCC_CDCFGR1_HPRE)>> RCC_CDCFGR1_HPRE_Pos]) & 0x1FU));
|
||||
|
||||
#endif
|
||||
|
||||
#if defined(DUAL_CORE) && defined(CORE_CM4)
|
||||
SystemCoreClock = SystemD2Clock;
|
||||
#else
|
||||
SystemCoreClock = common_system_clock;
|
||||
#endif /* DUAL_CORE && CORE_CM4 */
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
||||
Loading…
Reference in New Issue