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cpu, sam_common: add basic common files
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smlng
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1
cpu/sam_common/Makefile
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cpu/sam_common/Makefile
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include $(RIOTBASE)/Makefile.base
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11
cpu/sam_common/Makefile.include
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cpu/sam_common/Makefile.include
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# Define the CPU family so we can differentiate between them in the code
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CFLAGS += -DCPU_FAM_$(shell echo $(CPU_FAM) | tr 'a-z-' 'A-Z_')
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# this CPU implementation doesn't use CMSIS initialization
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export CFLAGS += -DDONT_USE_CMSIS_INIT
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# for the sam[drl] CPUs we hold all linkerscripts in the sam0 common folder
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export LINKFLAGS += -L$(RIOTCPU)/sam_common/ldscripts
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# export the common include directory
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export INCLUDES += -I$(RIOTCPU)/sam_common/include
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8
cpu/sam_common/doc.txt
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cpu/sam_common/doc.txt
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/**
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* @defgroup cpu_sam_common Atmel SAM common
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* @ingroup cpu
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* @brief Atmel SAM common
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*
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* This module contains all common code and definition to all Atmel SAM cpu
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* families supported by RIOT: @ref cpu_sam3, and cpu_sam4s.
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*/
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44
cpu/sam_common/include/cpu_conf.h
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cpu/sam_common/include/cpu_conf.h
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/*
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* Copyright (C) 2017 HAW Hamburg
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup cpu_sam_common
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* @brief Implementation specific CPU configuration options
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* @{
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*
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* @file
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* @brief Implementation specific CPU configuration options
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*
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* @author Sebastian Meiling <s@mlng.net>
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*/
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#ifndef CPU_CONF_H
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#define CPU_CONF_H
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#include "cpu_conf_common.h"
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#include "vendor/sam.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief ARM Cortex-M specific CPU configuration
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* @{
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*/
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#define CPU_DEFAULT_IRQ_PRIO (1U)
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#define CPU_IRQ_NUMOF PERIPH_COUNT_IRQn
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#define CPU_FLASH_BASE IFLASH0_ADDR
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* CPU_CONF_H */
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/** @} */
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42
cpu/sam_common/include/vendor/README.md
vendored
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cpu/sam_common/include/vendor/README.md
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# CMSIS from Atmel Software Foundation (ASF)
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The include files in the directory tree are copied from ASF (verion 3.35.1).
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The directory tree was copied "as is" from ASF path `sam/utils/cmsis/` and its
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structure is as follows:
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cmsis
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├── sam3x
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│ ├── include
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│ │ ├── component
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│ │ ├── instance
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│ │ └── pio
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│ └── source
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│ ├── gcc
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│ └── iar
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.
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.
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.
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├── sam4s
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│ ├── include
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│ │ ├── component
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│ │ ├── instance
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│ │ └── pio
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. └── source
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. ├── gcc
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. └── iar
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However, as only the header files in `include` and its subfolders are required,
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all `source` folders are removed.
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Be aware that if you want to make changes to any file in this tree that the
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changes will be lost when a new ASF release is going to be used.
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# Usage and porting for SAM based CPUs
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SAM based CPU should include `sam.h` in this directory, which will resolve any
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CPU family specific includes required.
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Currently only SAM3X and SAM4S based CPUs are supported, i.e., only their CMSIS
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header files are copied from the ASF. If other CPUs are needed copy CMSIS files
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from the ASF for the respective CPU family here and adapt `sam.h` accordingly.
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90
cpu/sam_common/include/vendor/sam.h
vendored
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cpu/sam_common/include/vendor/sam.h
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/*
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* Copyright (C) 2017 HAW Hamburg
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup cpu_sam_common
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* @{
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*
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* @file
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* @brief Wrapper include file for specific SAM vendor headers
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*
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* @author Sebastian Meiling <s@mlng.net>
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*/
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#ifndef SAM_H
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#define SAM_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(CPU_FAM_SAM3) && !defined(PERIPH_COUNT_IRQn)
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/**
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* @brief Number of periphical IRQs for SAM3 CPUs
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*/
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#define PERIPH_COUNT_IRQn (45U)
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#endif
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#if defined(CPU_MODEL_SAM3A4C)
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#include "vendor/sam3x/include/sam3a4c.h"
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#elif defined(CPU_MODEL_SAM3A8C)
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#include "vendor/sam3x/include/sam3a8c.h"
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#elif defined(CPU_MODEL_SAM3X4C)
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#include "vendor/sam3x/include/sam3x4c.h"
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#elif defined(CPU_MODEL_SAM3X4E)
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#include "vendor/sam3x/include/sam3x4e.h"
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#elif defined(CPU_MODEL_SAM3X8C)
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#include "vendor/sam3x/include/sam3x8c.h"
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#elif defined(CPU_MODEL_SAM3X8E)
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#include "vendor/sam3x/include/sam3x8e.h"
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#elif defined(CPU_MODEL_SAM3X8H)
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#include "vendor/sam3x/include/sam3x8h.h"
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#elif defined(CPU_MODEL_SAM4S2A)
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#include "vendor/sam4s/include/sam4s2a.h"
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#elif defined(CPU_MODEL_SAM4S2B)
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#include "vendor/sam4s/include/sam4s2b.h"
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#elif defined(CPU_MODEL_SAM4S2C)
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#include "vendor/sam4s/include/sam4s2c.h"
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#elif defined(CPU_MODEL_SAM4S4A)
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#include "vendor/sam4s/include/sam4s4a.h"
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#elif defined(CPU_MODEL_SAM4S4B)
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#include "vendor/sam4s/include/sam4s4b.h"
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#elif defined(CPU_MODEL_SAM4S4C)
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#include "vendor/sam4s/include/sam4s4c.h"
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#elif defined(CPU_MODEL_SAM4S8B)
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#include "vendor/sam4s/include/sam4s8b.h"
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#elif defined(CPU_MODEL_SAM4S8C)
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#include "vendor/sam4s/include/sam4s8c.h"
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#elif defined(CPU_MODEL_SAM4S16B)
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#include "vendor/sam4s/include/sam4s16b.h"
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#elif defined(CPU_MODEL_SAM4S16C)
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#include "vendor/sam4s/include/sam4s16c.h"
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#elif defined(CPU_MODEL_SAM4SA16B)
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#include "vendor/sam4s/include/sam4sa16b.h"
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#elif defined(CPU_MODEL_SAM4SA16C)
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#include "vendor/sam4s/include/sam4sa16c.h"
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#elif defined(CPU_MODEL_SAM4SD16B)
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#include "vendor/sam4s/include/sam4sd16b.h"
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#elif defined(CPU_MODEL_SAM4SD16C)
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#include "vendor/sam4s/include/sam4sd16c.h"
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#elif defined(CPU_MODEL_SAM4SD32B)
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#include "vendor/sam4s/include/sam4sd32b.h"
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#elif defined(CPU_MODEL_SAM4SD32C)
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#include "vendor/sam4s/include/sam4sd32c.h"
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#else
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#error "Unsupported Atmel SAM variant."
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* SAM0_H */
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/** @} */
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