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main.py
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main.py
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# Copyright 2018-present PlatformIO <contact@platformio.org>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys
from os.path import join
from platform import system
from SCons.Script import (AlwaysBuild, COMMAND_LINE_TARGETS, Default,
DefaultEnvironment)
env = DefaultEnvironment()
board_config = env.BoardConfig()
env.Replace(
AR="sdar",
AS="sdasstm8",
CC="sdcc",
GDB="stm8-gdb",
LD="sdldstm8",
RANLIB="sdranlib",
OBJCOPY="sdobjcopy",
SIZETOOL="stm8-size",
OBJSUFFIX=".rel",
LIBSUFFIX=".lib",
ARFLAGS=["rcs"],
ASFLAGS=["-x", "assembler-with-cpp", "-flto"],
CFLAGS=[
"-m%s" % board_config.get("build.cpu")
],
CPPDEFINES=[
"F_CPU=$BOARD_F_CPU"
],
LINKFLAGS=[
"-m%s" % board_config.get("build.cpu"),
"--nostdlib",
"--code-size", board_config.get("upload.maximum_size"),
"--iram-size", board_config.get("upload.maximum_ram_size"),
"--out-fmt-elf"
],
LIBPATH=[
join(env.PioPlatform().get_package_dir("toolchain-sdcc"),
"%s" % "lib" if system() == "Windows" else join("share", "sdcc", "lib"),
board_config.get("build.cpu"))
],
LIBS=["stm8"],
SIZEPROGREGEXP=r"^(?:HOME|GSINIT|GSFINAL|CODE|INITIALIZER)\s+([0-9]+).*",
SIZEDATAREGEXP=r"^(?:DATA|INITIALIZED)\s+([0-9]+).*",
SIZEEEPROMREGEXP=r"^(?:EEPROM)\s+([0-9]+).*",
SIZECHECKCMD="$SIZETOOL -A $SOURCES",
SIZEPRINTCMD='$SIZETOOL -d $SOURCES',
PROGNAME="firmware",
PROGSUFFIX=".elf"
)
def _ldflags_for_hex(env, ldflags):
ldflags = ["--out-fmt-ihx" if f == "--out-fmt-elf" else f for f in ldflags]
return ldflags
env.Append(
ASFLAGS=env.get("CFLAGS", [])[:],
__ldflags_for_hex=_ldflags_for_hex,
ldflags_for_hex="${__ldflags_for_hex(__env__, LINKFLAGS)}"
)
# Allow user to override via pre:script
if env.get("PROGNAME", "program") == "program":
env.Replace(PROGNAME="firmware")
#
# Target: Build executable and linkable firmware
#
target_elf = None
if "nobuild" in COMMAND_LINE_TARGETS:
target_elf = join("$BUILD_DIR", "${PROGNAME}.elf")
target_firm = join("$BUILD_DIR", "${PROGNAME}.ihx")
else:
target_elf = env.BuildProgram()
target_firm = env.Command(
join("$BUILD_DIR", "${PROGNAME}.ihx"),
env['PIOBUILDFILES'],
env['LINKCOM'].replace("$LINKFLAGS", "$ldflags_for_hex")
)
env.Depends(target_firm, target_elf)
AlwaysBuild(env.Alias("nobuild", target_firm))
target_buildprog = env.Alias("buildprog", target_firm, target_firm)
#
# Target: Print binary size
#
target_size = env.Alias(
"size", target_elf,
env.VerboseAction("$SIZEPRINTCMD", "Calculating size $SOURCE"))
AlwaysBuild(target_size)
#
# Target: Upload firmware
#
upload_protocol = env.subst("$UPLOAD_PROTOCOL")
upload_actions = []
if upload_protocol == "serial":
env.Replace(
UPLOADER="stm8gal",
UPLOADERFLAGS=[
"-p", "$UPLOAD_PORT",
"-R", 1, "-u", 2,
"-V", 2, "-v", "-B", "-w"
],
UPLOADCMD='"$UPLOADER" $UPLOADERFLAGS $SOURCE'
)
if env.subst("$UPLOAD_SPEED"):
env.Prepend(UPLOADERFLAGS=["-b", "$UPLOAD_SPEED"])
upload_actions = [
env.VerboseAction(env.AutodetectUploadPort,
"Looking for upload port..."),
env.VerboseAction("$UPLOADCMD", "Uploading $SOURCE")
]
elif "stlink" in upload_protocol:
mcu = board_config.get("build.mcu")
env.Replace(
UPLOADER="stm8flash",
UPLOADERFLAGS=[
"-c", "$UPLOAD_PROTOCOL",
"-p", "%s" % mcu[:8] + "?" + mcu[9],
"-s", "flash", "-w"
],
UPLOADCMD='"$UPLOADER" $UPLOADERFLAGS $SOURCE'
)
upload_actions = [env.VerboseAction("$UPLOADCMD", "Uploading $SOURCE")]
# custom upload tool
elif upload_protocol == "custom":
upload_actions = [env.VerboseAction("$UPLOADCMD", "Uploading $SOURCE")]
else:
sys.stderr.write("Warning! Unknown upload protocol %s\n" % upload_protocol)
AlwaysBuild(env.Alias("upload", target_firm, upload_actions))
#
# Setup default targets
#
Default([target_buildprog, target_size])