Files
platformio-core/platformio/builder/scripts/baseavr.py
2015-02-23 21:02:40 +02:00

94 lines
2.1 KiB
Python

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