94 lines
2.7 KiB
Python
94 lines
2.7 KiB
Python
# Copyright (c) Kuba Szczodrzyński 2023-02-26.
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from os.path import join
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import click
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from ltchiptool import Family
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from platformio.platform.base import PlatformBase
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from platformio.platform.board import PlatformBoardConfig
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from SCons.Errors import UserError
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from SCons.Script import DefaultEnvironment, Environment
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env: Environment = DefaultEnvironment()
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board: PlatformBoardConfig = env.BoardConfig()
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platform: PlatformBase = env.PioPlatform()
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family: Family = env["FAMILY_OBJ"]
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# TODO remove include path prepending ("!<...>")
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# Move common core sources (env.AddCoreSources()) and Arduino libs
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# below per-family sources (to maintain child families taking precedence)
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# Global flags (applying to the SDK)
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env.Append(
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CCFLAGS=[
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# Newer versions of GCC complain about undefined macros in #if
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"-Wno-undef",
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],
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)
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# Include SDK builder scripts
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# No environment options that follow later will be considered
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found = False
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for f in family.inheritance:
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try:
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env.SConscript(f"../family/{f.name}.py", must_exist=True)
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found = True
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except UserError:
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pass
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# Fail if no SDK builder was found
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if not found:
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click.secho(
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f"Platform '{family.name}' is currently not supported - "
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"no SDK builder script could be found.",
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fg="red",
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)
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exit(1)
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# Build a safe environment for this script
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queue = env.AddLibraryQueue("base", prepend_includes=True)
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# Add sources & include paths for each core
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env.AddCoreSources(queue, name="common", path=join("$COMMON_DIR", "base"))
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for f in family.inheritance:
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env.AddCoreSources(queue, name=f.code, path=join("$CORES_DIR", f.name, "base"))
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if f.short_name:
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env.Prepend(CPPDEFINES=[(f"LT_{f.short_name}", "1")])
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if f.code:
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env.Prepend(CPPDEFINES=[(f"LT_{f.code.upper()}", "1")])
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env.Prepend(LIBPATH=[join("$CORES_DIR", f.name, "misc")])
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# Sources - external libraries
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queue.AddExternalLibrary("ltchiptool") # uf2ota source code
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queue.AddExternalLibrary("flashdb")
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queue.AddExternalLibrary("printf")
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# Flags & linker options
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queue.AppendPublic(
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CFLAGS=[
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"-Werror=implicit-function-declaration",
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],
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CPPDEFINES=[
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("LIBRETUYA", 1),
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("LT_VERSION", env.ReadLTVersion(platform.get_dir(), platform.version)),
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("LT_BOARD", "${VARIANT}"),
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("F_CPU", board.get("build.f_cpu")),
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("MCU", "${MCU}"),
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("FAMILY", "F_${FAMILY}"),
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# Add flash layout defines created in env.AddFlashLayout()
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*env["FLASH_DEFINES"].items(),
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],
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CPPPATH=[
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"$BOARD_DIR",
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],
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LINKFLAGS=[
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'"-Wl,-Map=' + join("$BUILD_DIR", "${PROGNAME}.map") + '"',
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],
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LIBS=[
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"stdc++",
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"supc++",
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],
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)
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# Build everything from the base core
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queue.BuildLibraries()
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