forked from platformio/platformio-core
137 lines
3.0 KiB
Python
137 lines
3.0 KiB
Python
# Copyright (C) Ivan Kravets <me@ikravets.com>
|
|
# See LICENSE for details.
|
|
|
|
"""
|
|
Builder for STMicroelectronics
|
|
STM32 Series ARM microcontrollers.
|
|
"""
|
|
|
|
from os.path import join
|
|
|
|
from SCons.Script import (COMMAND_LINE_TARGETS, AlwaysBuild, Builder, Default,
|
|
DefaultEnvironment)
|
|
|
|
env = DefaultEnvironment()
|
|
|
|
env.Replace(
|
|
AR="arm-none-eabi-ar",
|
|
AS="arm-none-eabi-gcc",
|
|
CC="arm-none-eabi-gcc",
|
|
CXX="arm-none-eabi-g++",
|
|
OBJCOPY="arm-none-eabi-objcopy",
|
|
RANLIB="arm-none-eabi-ranlib",
|
|
|
|
ARFLAGS=["rcs"],
|
|
|
|
ASFLAGS=[
|
|
"-c",
|
|
"-g", # include debugging info (so errors include line numbers)
|
|
"-x", "assembler-with-cpp",
|
|
"-Wall",
|
|
"-mthumb",
|
|
"-mcpu=${BOARD_OPTIONS['build']['mcu']}"
|
|
],
|
|
|
|
CCFLAGS=[
|
|
"-g", # include debugging info (so errors include line numbers)
|
|
"-Os", # optimize for size
|
|
"-ffunction-sections", # place each function in its own section
|
|
"-fdata-sections",
|
|
"-Wall",
|
|
"-mthumb",
|
|
"-mcpu=${BOARD_OPTIONS['build']['mcu']}",
|
|
"-MMD" # output dependancy info
|
|
],
|
|
|
|
CXXFLAGS=[
|
|
"-fno-rtti",
|
|
"-fno-exceptions"
|
|
],
|
|
|
|
CPPDEFINES=[
|
|
"F_CPU=$BOARD_F_CPU",
|
|
"${BOARD_OPTIONS['build']['variant'].upper()}"
|
|
],
|
|
|
|
LINKFLAGS=[
|
|
"-Os",
|
|
"-nostartfiles",
|
|
"-nostdlib",
|
|
"-Wl,--gc-sections",
|
|
"-mthumb",
|
|
"-mcpu=${BOARD_OPTIONS['build']['mcu']}"
|
|
],
|
|
|
|
UPLOADER=join("$PIOPACKAGES_DIR", "tool-stlink", "st-flash"),
|
|
UPLOADERFLAGS=[
|
|
"write", # write in flash
|
|
"$SOURCES", # firmware path to flash
|
|
"0x08000000" # flash start adress
|
|
],
|
|
|
|
UPLOADCMD="$UPLOADER $UPLOADERFLAGS"
|
|
)
|
|
|
|
if env.get("BOARD_OPTIONS", {}).get("build", {}).get("mcu")[-2:] == "m4":
|
|
env.Append(
|
|
ASFLAGS=[
|
|
"-mfloat-abi=hard",
|
|
"-mfpu=fpv4-sp-d16",
|
|
"-fsingle-precision-constant"
|
|
],
|
|
CCFLAGS=[
|
|
"-mfloat-abi=hard",
|
|
"-mfpu=fpv4-sp-d16",
|
|
"-fsingle-precision-constant"
|
|
],
|
|
LINKFLAGS=[
|
|
"-mfloat-abi=hard",
|
|
"-mfpu=fpv4-sp-d16",
|
|
"-fsingle-precision-constant"
|
|
]
|
|
)
|
|
|
|
env.Append(
|
|
BUILDERS=dict(
|
|
ElfToBin=Builder(
|
|
action=" ".join([
|
|
"$OBJCOPY",
|
|
"-O",
|
|
"binary",
|
|
"$SOURCES",
|
|
"$TARGET"]),
|
|
suffix=".bin"
|
|
)
|
|
)
|
|
)
|
|
|
|
CORELIBS = env.ProcessGeneral()
|
|
|
|
#
|
|
# Target: Build executable and linkable firmware
|
|
#
|
|
|
|
target_elf = env.BuildFirmware(CORELIBS + ["c", "gcc", "m", "nosys"])
|
|
|
|
#
|
|
# Target: Build the .bin file
|
|
#
|
|
|
|
if "uploadlazy" in COMMAND_LINE_TARGETS:
|
|
target_bin = join("$BUILD_DIR", "firmware.bin")
|
|
else:
|
|
target_bin = env.ElfToBin(join("$BUILD_DIR", "firmware"), target_elf)
|
|
|
|
#
|
|
# Target: Upload by default .bin file
|
|
#
|
|
|
|
upload = env.Alias(["upload", "uploadlazy"], target_bin, ("$UPLOADCMD"))
|
|
AlwaysBuild(upload)
|
|
|
|
#
|
|
# Target: Define targets
|
|
#
|
|
|
|
Default(target_bin)
|