forked from platformio/platformio-core
155 lines
3.5 KiB
Python
155 lines
3.5 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 Atmel SAM series of microcontrollers
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"""
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from os.path import join
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from SCons.Script import (COMMAND_LINE_TARGETS, AlwaysBuild, Builder, Default,
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DefaultEnvironment)
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from platformio.util import get_serialports
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env = DefaultEnvironment()
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env.Replace(
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AR="arm-none-eabi-ar",
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AS="arm-none-eabi-gcc",
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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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SIZETOOL="arm-none-eabi-size",
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ARFLAGS=["rcs"],
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ASFLAGS=[
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"-c",
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"-g", # include debugging info (so errors include line numbers)
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"-x", "assembler-with-cpp",
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"-Wall",
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"-mthumb",
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"-mcpu=${BOARD_OPTIONS['build']['mcu']}"
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],
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CPPFLAGS=[
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"-g", # include debugging info (so errors include line numbers)
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"-Os", # optimize for size
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"-fdata-sections",
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"-ffunction-sections", # place each function in its own section
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"-Wall",
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"-MMD", # output dependancy info
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"-mcpu=${BOARD_OPTIONS['build']['mcu']}",
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"-mthumb",
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"-ffunction-sections", # place each function in its own section
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"-fdata-sections",
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"-nostdlib"
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],
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CXXFLAGS=[
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"-fno-rtti",
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"-felide-constructors",
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"-fno-exceptions"
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],
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CPPDEFINES=[
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"F_CPU=$BOARD_F_CPU",
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"printf=iprintf"
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],
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LINKFLAGS=[
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"-Os",
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"-Wl,--gc-sections",
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"-mcpu=${BOARD_OPTIONS['build']['mcu']}",
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"-mthumb",
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"-Wl,--entry=Reset_Handler",
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"-Wl,--start-group"
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],
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SIZEPRINTCMD='"$SIZETOOL" -B -d $SOURCES',
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UPLOADER=join("$PIOPACKAGES_DIR", "$PIOPACKAGE_UPLOADER", "bossac"),
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UPLOADERFLAGS=[
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"--info",
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"--debug",
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"--port", "$UPLOAD_PORT",
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"--erase",
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"--write",
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"--verify",
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"--boot"
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],
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UPLOADBINCMD='"$UPLOADER" $UPLOADERFLAGS $SOURCES'
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)
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env.Append(
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BUILDERS=dict(
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ElfToBin=Builder(
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action=" ".join([
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"$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=".bin"
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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(CORELIBS + ["m", "gcc"])
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#
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# Target: Build the .bin file
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#
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if "uploadlazy" in COMMAND_LINE_TARGETS:
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target_bin = join("$BUILD_DIR", "firmware.bin")
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else:
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target_bin = env.ElfToBin(join("$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, "$SIZEPRINTCMD")
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AlwaysBuild(target_size)
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#
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# Target: Upload by default .bin file
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#
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upload = env.Alias(["upload", "uploadlazy"], target_bin, ("$UPLOADBINCMD"))
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AlwaysBuild(upload)
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#
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# Check for $UPLOAD_PORT variable
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#
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is_uptarget = (set(["upload", "uploadlazy"]) & set(COMMAND_LINE_TARGETS))
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if is_uptarget:
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# try autodetect upload port
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if "UPLOAD_PORT" not in env:
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for item in get_serialports():
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if "VID:PID" in item['hwid']:
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print "Auto-detected UPLOAD_PORT: %s" % item['port']
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env.Replace(UPLOAD_PORT=item['port'])
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break
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if "UPLOAD_PORT" not in env:
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print("WARNING!!! Please specify environment 'upload_port' or use "
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"global --upload-port option.\n")
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#
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# Setup default targets
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#
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Default([target_bin, target_size])
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