forked from platformio/platformio-core
190 lines
4.2 KiB
Python
190 lines
4.2 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 Teensy boards
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"""
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import time
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from os.path import isfile, join
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from random import randint
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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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if env.get("BOARD_OPTIONS", {}).get("build", {}).get("core") == "teensy":
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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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ARFLAGS=["rcs"],
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CXXFLAGS=[
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"-std=c++0x"
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],
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CPPFLAGS=[
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"-mmcu=$BOARD_MCU"
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],
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CPPDEFINES=[
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"SERIALNUM=-%d" % randint(1000000000, 2000000000)
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],
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LINKFLAGS=[
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"-mmcu=$BOARD_MCU"
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]
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)
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elif env.get("BOARD_OPTIONS", {}).get("build", {}).get("core") == "teensy3":
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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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ARFLAGS=["rcs"],
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ASFLAGS=[
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"-mcpu=cortex-m4",
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"-mthumb",
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# "-nostdlib"
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],
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CXXFLAGS=[
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"-std=gnu++0x",
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"-fno-rtti",
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],
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CPPFLAGS=[
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"-mcpu=cortex-m4",
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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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CPPDEFINES=[
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"TIME_T=%d" % time.time()
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],
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LINKFLAGS=[
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"-mcpu=cortex-m4",
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"-mthumb",
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"-Wl,--gc-sections",
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# "-nostartfiles",
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# "-nostdlib",
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]
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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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"$TARGET"]),
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suffix=".hex"
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)
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),
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ASFLAGS=[
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"-c",
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"-g", # include debugging info (so errors include line numbers)
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"-x", "assembler-with-cpp",
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"-Wall"
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],
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CPPFLAGS=[
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"-g", # include debugging info (so errors include line numbers)
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"-Os", # optimize for size
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"-fdata-sections",
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"-ffunction-sections", # place each function in its own section
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"-Wall",
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"-MMD" # output dependancy info
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],
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CPPDEFINES=[
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"F_CPU=$BOARD_F_CPU",
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"USB_PID=null",
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"USB_VID=null",
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"USB_SERIAL",
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"LAYOUT_US_ENGLISH"
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],
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CXXFLAGS=[
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"-felide-constructors",
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"-fno-exceptions"
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],
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LINKFLAGS=[
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"-Os"
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]
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)
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if isfile(env.subst(join(
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"$PIOPACKAGES_DIR", "tool-teensy", "teensy_loader_cli"))):
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env.Append(
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UPLOADER=join("$PIOPACKAGES_DIR", "tool-teensy", "teensy_loader_cli"),
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UPLOADERFLAGS=[
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"-mmcu=$BOARD_MCU",
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"-w", # wait for device to apear
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"-r", # hard reboot if device not online
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"-v" # verbose output
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],
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UPLOADHEXCMD='"$UPLOADER" $UPLOADERFLAGS $SOURCES'
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)
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else:
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env.Append(
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UPLOADER=join(
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"$PIOPACKAGES_DIR", "tool-teensy", "teensy_post_compile"),
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UPLOADERFLAGS=[
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"-file=firmware",
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'-path="$BUILD_DIR"',
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'-tools="%s"' % join("$PIOPACKAGES_DIR", "tool-teensy")
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],
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UPLOADHEXCMD='"$UPLOADER" $UPLOADERFLAGS'
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)
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CORELIBS = env.ProcessGeneral()
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#
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# Target: Build executable and linkable firmware
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#
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target_elf = env.BuildFirmware(CORELIBS + ["m"])
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#
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# Target: Build the .hex file
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#
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if "uploadlazy" in COMMAND_LINE_TARGETS:
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target_hex = join("$BUILD_DIR", "firmware.hex")
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else:
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target_hex = env.ElfToHex(join("$BUILD_DIR", "firmware"), target_elf)
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#
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# Target: Upload by default .hex file
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#
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upload = env.Alias(["upload", "uploadlazy"], target_hex, ("$UPLOADHEXCMD"))
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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_hex)
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