forked from platformio/platformio-core
161 lines
3.4 KiB
Python
161 lines
3.4 KiB
Python
# 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 Espressif MCUs
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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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def BeforeUpload(target, source, env): # pylint: disable=W0613,W0621
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env.AutodetectUploadPort()
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env = DefaultEnvironment()
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env.Replace(
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AR="xtensa-lx106-elf-ar",
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AS="xtensa-lx106-elf-as",
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CC="xtensa-lx106-elf-gcc",
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CXX="xtensa-lx106-elf-g++",
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OBJCOPY="xtensa-lx106-elf-objcopy",
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RANLIB="xtensa-lx106-elf-ranlib",
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SIZETOOL="xtensa-lx106-elf-size",
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ARFLAGS=["rcs"],
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ASPPFLAGS=["-x", "assembler-with-cpp"],
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CFLAGS=[
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"-std=c99",
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"-Wpointer-arith",
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"-Wno-implicit-function-declaration",
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"-Wl,-EL",
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"-fno-inline-functions",
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"-nostdlib"
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],
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CPPFLAGS=[
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"-Os", # optimize for size
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"-mlongcalls",
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"-mtext-section-literals",
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"-MMD" # output dependancy info
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],
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CXXFLAGS=[
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"-fno-rtti",
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"-fno-exceptions",
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"-std=c++11"
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],
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CPPDEFINES=[
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"F_CPU=$BOARD_F_CPU",
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"__ets__",
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"ICACHE_FLASH"
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],
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LINKFLAGS=[
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"-nostdlib",
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"-Wl,--no-check-sections",
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"-u", "call_user_start",
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"-Wl,-static"
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],
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SIZEPRINTCMD='"$SIZETOOL" -B -d $SOURCES',
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UPLOADER=join("$PIOPACKAGES_DIR", "tool-esptool", "esptool"),
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UPLOADERFLAGS=[
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"-vv",
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"-cd", "none",
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"-cb", "$UPLOAD_SPEED",
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"-cp", "$UPLOAD_PORT",
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"-ca", "0x00000",
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"-cf", "${SOURCES[0]}",
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"-ca", "0x40000",
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"-cf", "${SOURCES[1]}"
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],
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UPLOADCMD='$UPLOADER $UPLOADERFLAGS'
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)
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env.Append(
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BUILDERS=dict(
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ElfToBin=Builder(
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action=" ".join([
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"$UPLOADER",
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"-eo", "$SOURCES",
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"-bo", "${TARGETS[0]}",
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"-bs", ".text",
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"-bs", ".data",
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"-bs", ".rodata",
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"-bc", "-ec",
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"-eo", "$SOURCES",
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"-es", ".irom0.text", "${TARGETS[1]}",
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"-ec", "-v"
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]),
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suffix=".bin"
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)
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)
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)
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#
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# Configure SDK
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#
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if "FRAMEWORK" not in env:
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env.Append(
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CPPPATH=[
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join("$PIOPACKAGES_DIR", "sdk-esp8266", "include"),
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"$PROJECTSRC_DIR"
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],
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LIBPATH=[join("$PIOPACKAGES_DIR", "sdk-esp8266", "lib")]
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)
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env.Replace(
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LDSCRIPT_PATH=join(
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"$PIOPACKAGES_DIR", "sdk-esp8266", "ld", "eagle.app.v6.ld"),
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LIBS=["c", "gcc", "phy", "pp", "net80211", "lwip", "wpa", "main",
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"json", "upgrade", "smartconfig", "at", "ssl"]
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)
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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()
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#
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# Target: Build the .hex
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#
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if "uploadlazy" in COMMAND_LINE_TARGETS:
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target_firm = join("$BUILD_DIR", "firmware.bin")
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else:
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target_firm = env.ElfToBin(
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[join("$BUILD_DIR", "firmware_00000"),
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join("$BUILD_DIR", "firmware_40000")], target_elf)
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#
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# Target: Print binary size
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#
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target_size = env.Alias("size", target_elf, "$SIZEPRINTCMD")
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AlwaysBuild(target_size)
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#
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# Target: Upload firmware
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#
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upload = env.Alias(["upload", "uploadlazy"], target_firm,
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[BeforeUpload, "$UPLOADCMD"])
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AlwaysBuild(upload)
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#
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# Target: Define targets
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#
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Default([target_firm, target_size])
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