forked from platformio/platformio-core
90 lines
2.0 KiB
Python
90 lines
2.0 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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Base for Atmel AVR series of microcontrollers
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"""
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from SCons.Script import Builder, DefaultEnvironment
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env = DefaultEnvironment()
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env.Replace(
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AR="avr-ar",
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AS="avr-gcc",
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CC="avr-gcc",
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CXX="avr-g++",
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OBJCOPY="avr-objcopy",
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RANLIB="avr-ranlib",
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SIZETOOL="avr-size",
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ASCOM=("$AS -o $TARGET -c -x assembler-with-cpp "
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"$CFLAGS $CCFLAGS $_CCCOMCOM $SOURCES"),
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ARFLAGS=["rcs"],
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CCFLAGS=[
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"-g", # include debugging info (so errors include line numbers)
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"-Os", # optimize for size
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"-Wall", # show warnings
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"-ffunction-sections", # place each function in its own section
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"-fdata-sections",
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"-MMD", # output dependency info
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"-mmcu=$BOARD_MCU"
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],
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CXXFLAGS=[
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"-fno-exceptions",
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"-fno-threadsafe-statics"
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],
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CPPDEFINES=[
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"F_CPU=$BOARD_F_CPU"
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],
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LINKFLAGS=[
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"-Os",
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"-mmcu=$BOARD_MCU",
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"-Wl,--gc-sections"
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],
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SIZEPRINTCMD='"$SIZETOOL" --mcu=$BOARD_MCU -C -d $SOURCES'
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)
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if "UPLOAD_SPEED" in env:
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env.Append(UPLOADERFLAGS=["-b", "$UPLOAD_SPEED"])
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if env.subst("$UPLOAD_PROTOCOL") != "usbtiny":
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env.Append(UPLOADERFLAGS=["-P", "$UPLOAD_PORT"])
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env.Append(
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BUILDERS=dict(
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ElfToEep=Builder(
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action=" ".join([
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"$OBJCOPY",
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"-O",
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"ihex",
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"-j",
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".eeprom",
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'--set-section-flags=.eeprom="alloc,load"',
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"--no-change-warnings",
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"--change-section-lma",
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".eeprom=0",
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"$SOURCES",
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"$TARGET"]),
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suffix=".eep"
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),
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ElfToHex=Builder(
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action=" ".join([
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"$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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