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Initial support for Teensy 3
This commit is contained in:
Valeriy Koval
65
platformio/boards/teensy.json
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65
platformio/boards/teensy.json
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{
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"teensy2": {
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"build": {
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"core": "teensy",
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"f_cpu": "16000000L",
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"mcu": "atmega32u4",
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"variant": "teensy2"
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},
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"name": "Teensy 2.0",
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"platform": "teensy",
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"upload": {
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"maximum_ram_size": 2560,
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"maximum_size": 32256
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}
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},
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"teensypp2": {
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"build": {
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"core": "teensy",
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"f_cpu": "16000000L",
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"mcu": "at90usb1286",
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"variant": "teensypp2"
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},
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"name": "Teensy 2.0",
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"platform": "teensy",
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"upload": {
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"maximum_ram_size": 8192,
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"maximum_size": 130048
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}
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},
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"teensy30": {
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"build": {
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"core": "teensy3",
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"extra_flags": "-D__MK20DX128__",
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"f_cpu": "48000000L",
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"ldscript": "mk20dx128.ld",
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"mcu": "mk20dx128",
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"variant": "teensy30"
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},
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"name": "Teensy 3.0",
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"platform": "teensy",
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"upload": {
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"maximum_ram_size": 16384,
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"maximum_size": 131072
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}
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},
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"teensy31": {
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"build": {
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"core": "teensy3",
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"extra_flags": "-D__MK20DX256__",
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"f_cpu": "72000000L",
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"ldscript": "mk20dx256.ld",
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"mcu": "mk20dx256",
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"variant": "teensy31"
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},
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"name": "Teensy 3.1",
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"platform": "teensy",
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"upload": {
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"maximum_ram_size": 65536,
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"maximum_size": 262144
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}
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}
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}
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205
platformio/builder/scripts/teensy.py
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205
platformio/builder/scripts/teensy.py
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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 Teensy boards
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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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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=$BOARD_MCU"
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],
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CPPDEFINES=[
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"SERIALNUM=-1164905212" # ?????
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],
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LINKFLAGS=[
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"-mmcu=$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=1423046159" # @TODO
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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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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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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=$BOARD_F_CPU",
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"USB_VID=null",
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"USB_PID=null",
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"USB_VID=null",
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"TEENSYDUINO=120",
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"USB_SERIAL",
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"LAYOUT_US_ENGLISH",
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"__MK20DX256__"
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],
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CXXFLAGS=[
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"-felide-constructors",
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"-fno-exceptions"
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],
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LINKFLAGS=[
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"-Os"
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],
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UPLOADER=join(
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"$PIOPACKAGES_DIR", "tool-teensy", "teensy_loader_cli"),
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UPLOADERFLAGS=[
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],
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UPLOADHEXCMD='"$UPLOADER" $UPLOADERFLAGS -U flash:w:$SOURCES:i',
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UPLOADEEPCMD='"$UPLOADER" $UPLOADERFLAGS -U eeprom:w:$SOURCES:i'
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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: Extract EEPROM data (from EEMEM directive) to .eep file
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#
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target_eep = env.Alias("eep", env.ElfToEep(join("$BUILD_DIR", "firmware"),
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target_elf))
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#
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# Target: Build the .hex file
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#
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if "uploadlazy" in COMMAND_LINE_TARGETS:
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target_hex = join("$BUILD_DIR", "firmware.hex")
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else:
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target_hex = env.ElfToHex(join("$BUILD_DIR", "firmware"), target_elf)
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#
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# Target: Upload by default .hex file
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#
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upload = env.Alias(["upload", "uploadlazy"], target_hex, ("$UPLOADCMD"))
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AlwaysBuild(upload)
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#
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# Target: Upload .eep file
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#
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uploadeep = env.Alias(["uploadeep"], target_eep, ("$UPLOADEEPCMD"))
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AlwaysBuild(uploadeep)
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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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25
platformio/platforms/teensy.py
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25
platformio/platforms/teensy.py
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# Copyright (C) Ivan Kravets <me@ikravets.com>
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# See LICENSE for details.
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from platformio.platforms.base import BasePlatform
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class TeensyPlatform(BasePlatform):
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"""
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An embedded platform for Teensy boards
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(with Arduino Framework)
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"""
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PACKAGES = {
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"toolchain-gccarmnoneeabi": {
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"alias": "toolchain",
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"default": True
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},
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"framework-arduinoteensy": {
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"alias": "framework",
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"default": True
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}
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}
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