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=