forked from platformio/platformio-core
113 lines
2.3 KiB
Python
113 lines
2.3 KiB
Python
# 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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MSP430 Ultra-Low Power 16-bit microcontrollers
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"""
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from os.path import join
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from platform import system
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from SCons.Script import (COMMAND_LINE_TARGETS, AlwaysBuild, Builder, Default,
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DefaultEnvironment)
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env = DefaultEnvironment()
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env.Replace(
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AR="msp430-ar",
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AS="msp430-as",
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CC="msp430-gcc",
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CXX="msp430-g++",
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OBJCOPY="msp430-objcopy",
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RANLIB="msp430-ranlib",
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SIZETOOL="msp430-size",
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ARFLAGS=["rcs"],
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ASPPFLAGS=["-x", "assembler-with-cpp"],
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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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"-MMD", # output dependancy info
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"-mmcu=$BOARD_MCU"
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],
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CPPDEFINES=[
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"F_CPU=$BOARD_F_CPU"
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],
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LINK="$CC",
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LINKFLAGS=[
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"-Os",
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"-mmcu=$BOARD_MCU",
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"-Wl,-gc-sections,-u,main"
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],
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SIZEPRINTCMD='"$SIZETOOL" -B -d $SOURCES',
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UPLOADER=join("$PIOPACKAGES_DIR", "tool-mspdebug", "mspdebug"),
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UPLOADERFLAGS=[
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"$UPLOAD_PROTOCOL" if system() != "Windows" else "tilib",
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"--force-reset"
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],
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UPLOADCMD='$UPLOADER $UPLOADERFLAGS "prog $SOURCES"'
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)
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env.Append(
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BUILDERS=dict(
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ElfToHex=Builder(
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action=" ".join([
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"$OBJCOPY",
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"-O",
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"ihex",
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"-R",
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".eeprom",
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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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CORELIBS = env.ProcessGeneral()
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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(["m"] + CORELIBS)
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#
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# Target: Build the .hex
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#
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if "uploadlazy" in COMMAND_LINE_TARGETS:
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target_firm = join("$BUILD_DIR", "firmware.hex")
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else:
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target_firm = env.ElfToHex(join("$BUILD_DIR", "firmware"), target_elf)
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#
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# Target: Print binary size
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#
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target_size = env.Alias("size", target_elf, "$SIZEPRINTCMD")
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AlwaysBuild(target_size)
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#
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# Target: Upload firmware
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#
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upload = env.Alias(["upload", "uploadlazy"], target_firm, "$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_firm, target_size])
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