Arduino Platform specification

Ref: https://arduino.github.io/arduino-cli/platform-specification/

Hardware directory structure

Arduino
└── hardware
    └── vendor/
        └── architecture/
            ├── boards.txt
            ├── cores/
            │   ├── core_1/
            │   │   ├── abi.cpp
            │   │   ├── Arduino.h
            │   │   ├── binary.h
            │   │   ├── HardwareSerial.cpp
            │   │   ├── HardwareSerial.h
            │   │   ├── main.cpp
            │   │   └── ...
            │   ├── core_2/
            │   └── ...
            ├── libraries/
            │   ├── SPI/
            │   │   ├── examples/
            │   │   ├── keywords.txt
            │   │   ├── library.properties
            │   │   └── src/
            │   │       ├── SPI.cpp
            │   │       └── SPI.h
            │   ├── Wire/
            │   └── ...
            ├── platform.txt
            ├── programmers.txt
            └── variants/
                ├── board_1/
                │   └── pins_arduino.h
                ├── board_2/
                └── ...

boards.txt

boards.txt
######
# MENU
######

# 메뉴 이름
menu.menu_1=

#########
# board_1
#########

# IDE -> Tools -> Board 에 표시되는 보드 이름
board_1.name=
# hardware/vendor/architecture/cores 에서 선택할 core 이름
board_1.build.core=
# hardware/vendor/architecture/variants 에서 선택할 variant 이름
board_1.build.variant=
# 컴파일 시 정의될 매크로 -DARDUINO_{build.board} (platform.txt)
board_1.build.board=
# 업로드에 사용할 툴 (platform.txt)
board_1.upload.tool=
# platform.txt에서 사용할 변수
# board_1.xxxx= (boards.txt) -> {xxxx} (platform.txt)
board_1.build.extra_flags=
board_1.compiler.cross_compile=

# 메뉴 선택지
board_1.menu.menu_1.option_1=
# 메뉴 선택지에 해당하는 설정
# board_1.menu.menu_1.option_1.variable_1= (boards.txt) -> {variable_1} (platform.txt)
board_1.menu.menu_1.option_1.variable_1=

#########
# board_2
#########
...

platform.txt

platform.txt
# IDE -> Tools -> Board 에 표시되는 카테고리
name=

###################
# compile variables
###################

compiler.path=

compiler.S.cmd=
compiler.S.flags=

compiler.c.cmd=
compiler.c.flags=

compiler.cpp.cmd=
compiler.cpp.flags=

compiler.ar.cmd=
compiler.ar.flags=

compiler.combine.cmd=
compiler.combine.flags=

compiler.xxx.cmd=
compiler.xxx.flags=

# override
# platform.local.txt, boards.txt 등에 의해 바뀌는 변수
build.extra_flags=
compiler.cross_compile=
compiler.S.extra_flags=
compiler.c.extra_flags=
compiler.cpp.extra_flags=
compiler.ar.extra_flags=
compiler.combine.extra_flags=
compiler.xxx.extra_flags=

##################
# compile patterns
##################

# 라이브러리 감지, 함수 프로토 타입 생성
recipe.preproc.macros="{compiler.path}{compiler.cross_compile}{compiler.cpp.cmd}" {compiler.cpp.flags} {preproc.macros.flags} -DARDUINO={runtime.ide.version} -DARDUINO_{build.board} -DARDUINO_ARCH_{build.arch} {compiler.cpp.extra_flags} {build.extra_flags} {includes} "{source_file}" -o "{preprocessed_file_path}"
preproc.macros.flags= -w -x c++ -E -CC

# NUMBER는 1 ~ 9 또는 01 ~ 99 순서대로 실행 됨
# recipe.hooks.sketch.prebuild.NUMBER.pattern=
# recipe.hooks.sketch.postbuild.NUMBER.pattern=
# recipe.hooks.libraries.prebuild.NUMBER.pattern=
# recipe.hooks.libraries.postbuild.NUMBER.pattern=
# recipe.hooks.core.prebuild.NUMBER.pattern=
# recipe.hooks.core.postbuild.NUMBER.pattern=
# recipe.hooks.linking.prelink.NUMBER.pattern=
# recipe.hooks.linking.postlink.NUMBER.pattern=
# recipe.hooks.objcopy.preobjcopy.NUMBER.pattern=
# recipe.hooks.objcopy.postobjcopy.NUMBER.pattern=
# recipe.hooks.savehex.presavehex.NUMBER.pattern=
# recipe.hooks.savehex.postsavehex.NUMBER.pattern=

# Compile S files
recipe.S.o.pattern="{compiler.path}{compiler.cross_compile}{compiler.S.cmd}" {compiler.S.flags} -DARDUINO={runtime.ide.version} -DARDUINO_{build.board} -DARDUINO_ARCH_{build.arch} {compiler.S.extra_flags} {build.extra_flags} {includes} "{source_file}" -o "{object_file}"

# Compile c files
recipe.c.o.pattern="{compiler.path}{compiler.cross_compile}{compiler.c.cmd}" {compiler.c.flags} -DARDUINO={runtime.ide.version} -DARDUINO_{build.board} -DARDUINO_ARCH_{build.arch} {compiler.c.extra_flags} {build.extra_flags} {includes} "{source_file}" -o "{object_file}"

# Compile c++ files
recipe.cpp.o.pattern="{compiler.path}{compiler.cross_compile}{compiler.cpp.cmd}" {compiler.cpp.flags} -DARDUINO={runtime.ide.version} -DARDUINO_{build.board} -DARDUINO_ARCH_{build.arch} {compiler.cpp.extra_flags} {build.extra_flags} {includes} "{source_file}" -o "{object_file}"

# Archives
recipe.ar.pattern="{compiler.path}{compiler.cross_compile}{compiler.ar.cmd}" {compiler.ar.flags} {compiler.ar.extra_flags} "{archive_file_path}" "{object_file}"

# Combine gc-sections, archives, and objects
recipe.c.combine.pattern="{compiler.path}{compiler.cross_compile}{compiler.combine.cmd}" {compiler.combine.flags} {compiler.combine.extra_flags} -o "{build.path}/{build.project_name}.out" {object_files} {archive_file_path} "-L{build.path}"

# IDE-> Sketch -> Export compiled Binary
recipe.output.tmp_file={build.project_name}.out
recipe.output.save_file={build.project_name}.{build.variant}.out

#######
# tools
#######
tools.tool_1.path=
tools.tool_1.cmd=

# 툴 pattern에서 변수 사용 시 tools.tool_1., params. 는 빼고 사용
# ex) {upload.verbose}
tools.tool_1.program.params.verbose=
tools.tool_1.program.params.quiet=
tools.tool_1.program.pattern=

tools.tool_1.upload.pattern=
tools.tool_1.erase.pattern=
tools.tool_1.bootloader.pattern=

programmers.txt

programmers.txt
##############
# programmer_1
##############

# IDE -> Tools -> Programmer 에 표시되는 프로그래머 이름
programmer_1.name=Programmer 1
# 업로드에 사용할 툴 (platform.txt)
programmer_1.program.tool=
programmer_1.program.extra_params=

Hardware directory structure​

boards.txt​

platform.txt​

programmers.txt​

Hardware directory structure

boards.txt

platform.txt

programmers.txt