forked from platformio/platformio-core
153 lines
3.2 KiB
Python
153 lines
3.2 KiB
Python
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# Copyright (C) Ivan Kravets <me@ikravets.com>
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# See LICENSE for details.
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"""
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Builder for Texas Instruments
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Tiva C Series ARM Cortex-M4 microcontrollers.
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Fully compatible with Energia programming language (based on Wiring).
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"""
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from os.path import join
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from SCons.Script import AlwaysBuild, Builder, Default, DefaultEnvironment
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#
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# SETUP ENVIRONMENT
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#
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env = DefaultEnvironment()
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BOARD_OPTIONS = env.ParseBoardOptions(join("$PLATFORM_DIR", "boards.txt"),
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"${BOARD}")
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env.Replace(
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ARDUINO_VERSION="101",
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ENERGIA_VERSION="12",
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BOARD_MCU=BOARD_OPTIONS['build.mcu'],
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BOARD_F_CPU=BOARD_OPTIONS['build.f_cpu'],
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AR="arm-none-eabi-ar",
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AS="arm-none-eabi-as",
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CC="arm-none-eabi-gcc",
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CXX="arm-none-eabi-g++",
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OBJCOPY="arm-none-eabi-objcopy",
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RANLIB="arm-none-eabi-ranlib",
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ARFLAGS=["rcs"],
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ASFLAGS=[
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"-g", # include debugging info (so errors include line numbers)
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"-assembler-with-cpp",
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"-Wall",
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"-mthumb",
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"-mcpu=cortex-m4",
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"-mfloat-abi=hard",
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"-mfpu=fpv4-sp-d16",
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"-fsingle-precision-constant",
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"-DF_CPU=$BOARD_F_CPU",
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"-DARDUINO=$ARDUINO_VERSION",
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"-DENERGIA=$ENERGIA_VERSION"
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],
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CCFLAGS=[
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"-g", # include debugging info (so errors include line numbers)
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"-Os", # optimize for size
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"-Wall", # show warnings
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"-ffunction-sections", # place each function in its own section
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"-fdata-sections",
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"-Wall",
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"-mthumb",
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"-mcpu=cortex-m4",
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"-mfloat-abi=hard",
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"-mfpu=fpv4-sp-d16",
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"-fsingle-precision-constant",
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"-DF_CPU=$BOARD_F_CPU",
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"-MMD", # output dependancy info
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"-DARDUINO=$ARDUINO_VERSION",
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"-DENERGIA=$ENERGIA_VERSION"
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],
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CXXFLAGS=[
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"-fno-rtti",
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"-fno-exceptions"
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],
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LINKFLAGS=[
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"-Os",
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"-nostartfiles",
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"-nostdlib",
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"-Wl,--gc-sections",
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"-T", join("$PLATFORMCORE_DIR", BOARD_OPTIONS['ldscript']),
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"-Wl,--entry=ResetISR",
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"-mthumb",
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"-mcpu=cortex-m4",
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"-mfloat-abi=hard",
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"-mfpu=fpv4-sp-d16",
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"-fsingle-precision-constant"
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],
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CPPPATH=[
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"$PLATFORMCORE_DIR",
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join("$PLATFORM_DIR", "variants", BOARD_OPTIONS['build.variant'])
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],
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UPLOADER="lm4flash",
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UPLOADCMD="$UPLOADER $SOURCES"
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)
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env.Append(
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BUILDERS=dict(
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ElfToBin=Builder(
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action=" ".join([
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"$OBJCOPY",
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"-O",
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"binary",
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"$SOURCES",
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"$TARGET"]),
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suffix=".hex"
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)
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)
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)
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env.PrependENVPath(
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"PATH",
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join(env.subst("$PLATFORMTOOLS_DIR"), "lm4f", "bin")
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)
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#
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# Target: Build Core Library
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#
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target_corelib = env.BuildCoreLibrary()
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#
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# Target: Build executable and linkable firmware
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#
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target_elf = env.BuildFirmware([target_corelib, "c", "gcc", "m"])
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#
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# Target: Build the .bin file
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#
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target_bin = env.ElfToBin(join("$BUILD_DIR", "firmware"), target_elf)
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#
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# Target: Upload firmware
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#
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upload = env.Alias("upload", target_bin, ["$UPLOADCMD"])
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AlwaysBuild(upload)
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#
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# Target: Define targets
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#
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Default([target_corelib, target_elf, target_bin])
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