def LoadProjectOptions(env):
for option, value in env.GetProjectOptions():
option_meta = ProjectOptions.get("env." + option)
if (not option_meta or not option_meta.buildenvvar
or option_meta.buildenvvar in env):
continue
env[option_meta.buildenvvar] = value
def LoadPioPlatform(env):
p = env.PioPlatform()
installed_packages = p.get_installed_packages()
# Ensure real platform name
env['PIOPLATFORM'] = p.name
# Add toolchains and uploaders to $PATH and $*_LIBRARY_PATH
systype = util.get_systype()
for name in installed_packages:
type_ = p.get_package_type(name)
if type_ not in ("toolchain", "uploader", "debugger"):
continue
pkg_dir = p.get_package_dir(name)
env.PrependENVPath(
"PATH",
join(pkg_dir, "bin") if isdir(join(pkg_dir, "bin")) else pkg_dir)
if (not WINDOWS and isdir(join(pkg_dir, "lib"))
and type_ != "toolchain"):
env.PrependENVPath(
"DYLD_LIBRARY_PATH"
if "darwin" in systype else "LD_LIBRARY_PATH",
join(pkg_dir, "lib"))
# Platform specific LD Scripts
if isdir(join(p.get_dir(), "ldscripts")):
env.Prepend(LIBPATH=[join(p.get_dir(), "ldscripts")])
if "BOARD" not in env:
return
# update board manifest with overridden data from INI config
board_config = env.BoardConfig()
for option, value in env.GetProjectOptions():
if option.startswith("board_"):
board_config.update(option.lower()[6:], value)
# load default variables from board config
for option_meta in ProjectOptions.values():
if not option_meta.buildenvvar or option_meta.buildenvvar in env:
continue
data_path = (option_meta.name[6:]
if option_meta.name.startswith("board_") else
option_meta.name.replace("_", "."))
try:
env[option_meta.buildenvvar] = board_config.get(data_path)
except KeyError:
pass
if "build.ldscript" in board_config:
env.Replace(LDSCRIPT_PATH=board_config.get("build.ldscript"))
# The currently building build target
build_type = env.GetBuildType()
# The env:<NAME> from the projects platformio.ini file
build_environment = env["PIOENV"]
# The options specified in the `build_environment` section of the platform.ini file.
options = env.GetProjectOptions()
# I have found that using the debug_build_flags defaults of
# ["-Og", "-g2", "-ggdb2"] produces some serious
# "Spooky Action At A Distance", specifically the "-Og" flag.
# It seems to happen when calling functions in libmbed-os.a,
# which has not been compiled with the "-Og". So we clear
# out the default values of debug_build_flags and set it to "-g".
debug_build_flags = ProjectOptions.get("env.debug_build_flags")
debug_build_flags.default.clear()
debug_build_flags.default.append("-g")
debug_build_flags.default.append("-ggdb")
# This lets us run the auto-port-detect to find an upload port
# just before we issue the upload command.
def BeforeUpload(target, source, env):
upload_port = env.subst("$UPLOAD_PORT")
if len(upload_port) == 0:
env.AutodetectUploadPort()
upload_actions = [
env.VerboseAction(BeforeUpload, "Looking for upload port..."),