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‎.gitignore

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CMakeLists.txt.user
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CMakeCache.txt
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CMakeFiles
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CMakeScripts
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Testing
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Makefile
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cmake_install.cmake
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install_manifest.txt
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compile_commands.json
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CTestTestfile.cmake
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_deps
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build/

‎.gitmodules

Whitespace-only changes.

‎.vscode/.cortex-debug.peripherals.state.json

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[]

‎.vscode/.cortex-debug.registers.state.json

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[]

‎.vscode/c_cpp_properties.json

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{
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"configurations": [
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{
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"name": "Win32",
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"includePath": [
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"${workspaceFolder}/**"
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],
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"windowsSdkVersion": "10.0.17763.0",
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"compilerPath": "E:\\Program Files (x86)\\GNU Arm Embedded Toolchain\\10 2020-q4-major\\bin\\arm-none-eabi-gcc.exe",
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"cStandard": "c17",
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"cppStandard": "c++17",
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"intelliSenseMode": "gcc-arm",
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"configurationProvider": "ms-vscode.cmake-tools"
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}
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],
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"version": 4
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}

‎.vscode/launch.json

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{
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// 使用 IntelliSense 了解相关属性。
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// 悬停以查看现有属性的描述。
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// 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387
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"version": "0.2.0",
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"configurations": [
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{
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"cwd": "${workspaceRoot}/my-project",
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"executable": "test.elf",
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"name": "Debug Microcontroller",
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"request": "launch",
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"type": "cortex-debug",
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"servertype": "jlink",
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"device": "STM32F103RC",
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}
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]
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}

‎CMakeLists.txt

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cmake_minimum_required(VERSION 3.7)
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# specify cross compilers and tools
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set(CMAKE_C_COMPILER_WORKS 1)
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set(CMAKE_C_COMPILER arm-none-eabi-gcc)
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set(CMAKE_CXX_COMPILER_WORKS 1)
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set(CMAKE_CXX_COMPILER arm-none-eabi-g++)
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set(CMAKE_ASM_COMPILER arm-none-eabi-gcc)
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set(CMAKE_AR arm-none-eabi-ar)
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set(CMAKE_OBJCOPY arm-none-eabi-objcopy)
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set(CMAKE_OBJDUMP arm-none-eabi-objdump)
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set(CMAKE_PYTHON python)
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#Uncomment for hardware floating point
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#set(FPU_FLAGS "-mfloat-abi=hard -mfpu=fpv4-sp-d16")
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#add_definitions(-DARM_MATH_CM4 -DARM_MATH_MATRIX_CHECK -DARM_MATH_ROUNDING -D__FPU_PRESENT=1)
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#Uncomment for software floating point
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set(FPU_FLAGS "-mfloat-abi=soft")
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set(COMMON_FLAGS
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"-mcpu=cortex-m3 ${FPU_FLAGS} -mthumb -mthumb-interwork -ffunction-sections -fdata-sections \
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-g -Os -fno-common -fmessage-length=0 -specs=nosys.specs")
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set(CMAKE_CXX_FLAGS_INIT "${COMMON_FLAGS} -std=c++11")
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set(CMAKE_C_FLAGS_INIT "${COMMON_FLAGS} -std=gnu99")
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set(CMAKE_EXE_LINKER_FLAGS_INIT "-Wl,-gc-sections,--print-memory-usage")
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PROJECT(stm32f1_bootloader C CXX ASM)
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set(CMAKE_CXX_STANDARD 11)
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# 显示具体命令
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# set(CMAKE_VERBOSE_MAKEFILE ON)
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if(${stm32f1_bootloader_SOURCE_DIR} STREQUAL ${stm32f1_bootloader_BINARY_DIR})
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message(FATAL_ERROR "In-source builds not allowed. Please make a new directory (called a build directory) and run CMake from there.")
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endif()
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#add_definitions(-DARM_MATH_CM4 -DARM_MATH_MATRIX_CHECK -DARM_MATH_ROUNDING -D__FPU_PRESENT=1)
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add_definitions(-DSTM32F103xE -DCFG_TUSB_MCU=OPT_MCU_STM32F1 -DSTM32F1)
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file(GLOB_RECURSE C_SRCS "${CMAKE_CURRENT_SOURCE_DIR}/src/*.c"
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"${CMAKE_CURRENT_SOURCE_DIR}/lib/tinyusb/src/*.c")
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add_executable(${PROJECT_NAME}.elf ${C_SRCS})
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add_dependencies(${PROJECT_NAME}.elf libopencm3_stm32f1.a)
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include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/libopencm3.cmake)
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set(LINKER_SCRIPT ${CMAKE_CURRENT_SOURCE_DIR}/STM32F103RCTx_FLASH.ld)
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target_include_directories(${PROJECT_NAME}.elf PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/src
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${CMAKE_CURRENT_SOURCE_DIR}/lib/tinyusb/src
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${CMAKE_CURRENT_SOURCE_DIR}/lib/libopencm3/include
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${CMAKE_CURRENT_SOURCE_DIR}/lib/tinyusb/hw/mcu/st/cmsis_device_f1/Include
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${CMAKE_CURRENT_SOURCE_DIR}/lib/libopencm3/include/libopencmsis
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${CMAKE_CURRENT_SOURCE_DIR}/lib/cmsis_device_f1/Include)
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target_link_directories(${PROJECT_NAME}.elf PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
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target_link_libraries(${PROJECT_NAME}.elf opencm3_stm32f1)
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set(CMAKE_EXE_LINKER_FLAGS
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"${CMAKE_EXE_LINKER_FLAGS} -Wl,-Map=${PROJECT_BINARY_DIR}/${PROJECT_NAME}.map -T ${LINKER_SCRIPT}")
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set(HEX_FILE ${PROJECT_BINARY_DIR}/${PROJECT_NAME}.hex)
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set(BIN_FILE ${PROJECT_BINARY_DIR}/${PROJECT_NAME}.bin)
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add_custom_command(TARGET ${PROJECT_NAME}.elf POST_BUILD
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COMMAND ${CMAKE_OBJCOPY} -Oihex $<TARGET_FILE:${PROJECT_NAME}.elf> ${HEX_FILE}
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COMMAND ${CMAKE_OBJCOPY} -Obinary $<TARGET_FILE:${PROJECT_NAME}.elf> ${BIN_FILE}
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COMMENT "Building ${HEX_FILE}
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Building ${BIN_FILE}")

‎README.MD

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# STM32 BootLoader
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‎STM32F103RCTx_FLASH.ld

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EXTERN(vector_table)
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ENTRY(reset_handler)
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MEMORY
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{
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ram (rwx) : ORIGIN = 0x20000000, LENGTH = 48K
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rom (rx) : ORIGIN = 0x08000000, LENGTH = 256K
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}
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SECTIONS
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{
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.text : {
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*(.vectors)
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*(.text*)
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*(.eh_frame)
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. = ALIGN(4);
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*(.rodata*)
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. = ALIGN(4);
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} >rom
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.preinit_array : {
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. = ALIGN(4);
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__preinit_array_start = .;
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KEEP (*(.preinit_array))
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__preinit_array_end = .;
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} >rom
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.init_array : {
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. = ALIGN(4);
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__init_array_start = .;
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KEEP (*(SORT(.init_array.*)))
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KEEP (*(.init_array))
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__init_array_end = .;
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} >rom
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.fini_array : {
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. = ALIGN(4);
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__fini_array_start = .;
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KEEP (*(.fini_array))
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KEEP (*(SORT(.fini_array.*)))
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__fini_array_end = .;
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} >rom
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.ARM.extab : {
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*(.ARM.extab*)
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} >rom
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.ARM.exidx : {
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__exidx_start = .;
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*(.ARM.exidx*)
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__exidx_end = .;
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} >rom
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. = ALIGN(4);
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_etext = .;
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.noinit (NOLOAD) : {
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*(.noinit*)
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} >ram
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. = ALIGN(4);
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.data : {
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_data = .;
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*(.data*)
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*(.ramtext*)
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. = ALIGN(4);
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_edata = .;
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} >ram AT >rom
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_data_loadaddr = LOADADDR(.data);
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.bss : {
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*(.bss*)
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*(COMMON)
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. = ALIGN(4);
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_ebss = .;
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} >ram
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/DISCARD/ : { *(.eh_frame) }
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. = ALIGN(4);
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end = .;
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}
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PROVIDE(_stack = ORIGIN(ram) + LENGTH(ram));

‎cmake/libopencm3.cmake

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cmake_minimum_required(VERSION 3.7)
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set(OPENCM3_DIR ${CMAKE_CURRENT_SOURCE_DIR}/lib/libopencm3)
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set(DEVICES_DATA ${OPENCM3_DIR}/ld/devices.data)
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set(DEVICE STM32F103RC)
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add_custom_target(libopencm3_stm32f1.a
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make -C ${OPENCM3_DIR} TARGETS=stm32/f1 -j8
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COMMAND cp ${CMAKE_CURRENT_SOURCE_DIR}/lib/libopencm3/lib/libopencm3_stm32f1.a ${CMAKE_CURRENT_BINARY_DIR}
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COMMENT "Building libopencm3"
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USES_TERMINAL)

‎lib/cmsis_device_f1/.github/ISSUE_TEMPLATE/bug_report.md

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---
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name: Bug report
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about: Create a report to help us improve
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title: ''
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labels: ''
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assignees: ''
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---
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**Caution**
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The Issues are strictly limited for the reporting of problem encountered with the software provided in this project.
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For any other problem related to the STM32 product, the performance, the hardware characteristics and boards, the tools the environment in general, please post a topic in the [ST Community/STM32 MCUs forum](https://community.st.com/s/group/0F90X000000AXsASAW/stm32-mcus).
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**Describe the set-up**
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* The board (either ST RPN reference or your custom board)
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* IDE or at least the compiler and its version
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**Describe the bug**
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A clear and concise description of what the bug is.
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**How To Reproduce**
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1. Indicate the global behavior of your application project
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2. The modules that you suspect to be the cause of the problem (Driver, BSP, MW ...)
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3. The use case that generates the problem
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4. How we can reproduce the problem
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**Additional context**
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If you have a first analysis or patch correction, thank you to share your proposal.
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**Screenshots**
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If applicable, add screenshots to help explain your problem.

‎lib/cmsis_device_f1/.github/ISSUE_TEMPLATE/other-issue.md

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---
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name: 'Other Issue '
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about: Generic issue description
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title: ''
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labels: ''
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assignees: ''
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---
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**Caution**
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The Issues are strictly limited for the reporting of problem encountered with the software provided in this project.
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For any other problem related to the STM32 product, the performance, the hardware characteristics and boards, the tools the environment in general, please post a topic in the [ST Community/STM32 MCUs forum](https://community.st.com/s/group/0F90X000000AXsASAW/stm32-mcus).
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**Describe the set-up**
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* The board (either ST RPN reference or your custom board)
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* IDE or at least the compiler and its version
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**Additional context**
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If you have a first analysis or a patch proposal, thank you to share your proposal.
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**Screenshots**
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If applicable, add screenshots to help explain your problem.

‎lib/cmsis_device_f1/.github/PULL_REQUEST_TEMPLATE.md

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## IMPORTANT INFORMATION
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### Contributor License Agreement (CLA)
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* The Pull Request feature will be considered by STMicroelectronics after the signature of a **Contributor License Agreement (CLA)** by the submiter.
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* If you have not signed such agreement, please follow the rules mentioned in the CONTRIBUTING.md file.
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‎lib/cmsis_device_f1/CODE_OF_CONDUCT.md

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# Contributor Covenant Code of Conduct
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## Our Pledge
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In the interest of fostering an open and welcoming environment, we as
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contributors and maintainers pledge to making participation in our project and
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our community a harassment-free experience for everyone, regardless of age, body
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size, disability, ethnicity, sex characteristics, gender identity and expression,
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level of experience, education, socio-economic status, nationality, personal
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appearance, race, religion, or sexual identity and orientation.
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## Our Standards
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Examples of behavior that contributes to creating a positive environment
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include:
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* Using welcoming and inclusive language
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* Being respectful of differing viewpoints and experiences
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* Gracefully accepting constructive criticism
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* Focusing on what is best for the community
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* Showing empathy towards other community members
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Examples of unacceptable behavior by participants include:
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* The use of sexualized language or imagery and unwelcome sexual attention or
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advances
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* Trolling, insulting/derogatory comments, and personal or political attacks
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* Public or private harassment
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* Publishing others' private information, such as a physical or electronic
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address, without explicit permission
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* Other conduct which could reasonably be considered inappropriate in a
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professional setting
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## Our Responsibilities
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Project maintainers are responsible for clarifying the standards of acceptable
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behavior and are expected to take appropriate and fair corrective action in
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response to any instances of unacceptable behavior.
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Project maintainers have the right and responsibility to remove, edit, or
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reject comments, commits, code, wiki edits, issues, and other contributions
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that are not aligned to this Code of Conduct, or to ban temporarily or
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permanently any contributor for other behaviors that they deem inappropriate,
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threatening, offensive, or harmful.
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## Scope
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This Code of Conduct applies both within project spaces and in public spaces
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when an individual is representing the project or its community. Examples of
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representing a project or community include using an official project e-mail
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address, posting via an official social media account, or acting as an appointed
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representative at an online or offline event. Representation of a project may be
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further defined and clarified by project maintainers.
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## Enforcement
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Instances of abusive, harassing, or otherwise unacceptable behavior may be
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reported by contacting the project team at https://www.st.com/content/st_com/en/contact-us.html. All
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complaints will be reviewed and investigated and will result in a response that
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is deemed necessary and appropriate to the circumstances. The project team is
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obligated to maintain confidentiality with regard to the reporter of an incident.
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Further details of specific enforcement policies may be posted separately.
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Project maintainers who do not follow or enforce the Code of Conduct in good
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faith may face temporary or permanent repercussions as determined by other
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members of the project's leadership.
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## Attribution
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This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
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available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
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[homepage]: https://www.contributor-covenant.org
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For answers to common questions about this code of conduct, see
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https://www.contributor-covenant.org/faq

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