mirror of
https://github.com/meshtastic/firmware.git
synced 2025-12-13 14:22:55 +00:00
87 lines
2.8 KiB
Python
Executable File
87 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python3
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# trunk-ignore-all(ruff/F821)
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# trunk-ignore-all(flake8/F821): For SConstruct imports
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# trunk-ignore-all(ruff/E402): Hacky esptool import
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# trunk-ignore-all(flake8/E402): Hacky esptool import
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import sys
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from os.path import join
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Import("env")
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platform = env.PioPlatform()
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sys.path.append(join(platform.get_package_dir("tool-esptoolpy")))
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# IntelHex workaround, remove after fixed upstream
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# https://github.com/platformio/platform-espressif32/issues/1632
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try:
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import intelhex
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except ImportError:
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env.Execute("$PYTHONEXE -m pip install intelhex")
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import esptool
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def esp32_create_combined_bin(source, target, env):
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# this sub is borrowed from ESPEasy build toolchain. It's licensed under GPL V3
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# https://github.com/letscontrolit/ESPEasy/blob/mega/tools/pio/post_esp32.py
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print("Generating combined binary for serial flashing")
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app_offset = 0x10000
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new_file_name = env.subst("$BUILD_DIR/${PROGNAME}.factory.bin")
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sections = env.subst(env.get("FLASH_EXTRA_IMAGES"))
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firmware_name = env.subst("$BUILD_DIR/${PROGNAME}.bin")
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chip = env.get("BOARD_MCU")
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board = env.BoardConfig()
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flash_size = board.get("upload.flash_size")
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flash_freq = board.get("build.f_flash", "40m")
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flash_freq = flash_freq.replace("000000L", "m")
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flash_mode = board.get("build.flash_mode", "dio")
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memory_type = board.get("build.arduino.memory_type", "qio_qspi")
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if flash_mode == "qio" or flash_mode == "qout":
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flash_mode = "dio"
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if memory_type == "opi_opi" or memory_type == "opi_qspi":
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flash_mode = "dout"
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cmd = [
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"--chip",
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chip,
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"merge_bin",
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"-o",
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new_file_name,
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"--flash_mode",
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flash_mode,
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"--flash_freq",
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flash_freq,
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"--flash_size",
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flash_size,
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]
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print(" Offset | File")
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for section in sections:
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sect_adr, sect_file = section.split(" ", 1)
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print(f" - {sect_adr} | {sect_file}")
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cmd += [sect_adr, sect_file]
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print(f" - {hex(app_offset)} | {firmware_name}")
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cmd += [hex(app_offset), firmware_name]
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print("Using esptool.py arguments: %s" % " ".join(cmd))
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esptool.main(cmd)
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env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", esp32_create_combined_bin)
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esp32_kind = env.GetProjectOption("custom_esp32_kind")
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if esp32_kind == "esp32":
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# Free up some IRAM by removing auxiliary SPI flash chip drivers.
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# Wrapped stub symbols are defined in src/platform/esp32/iram-quirk.c.
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env.Append(
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LINKFLAGS=[
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"-Wl,--wrap=esp_flash_chip_gd",
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"-Wl,--wrap=esp_flash_chip_issi",
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"-Wl,--wrap=esp_flash_chip_winbond",
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]
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)
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else:
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# For newer ESP32 targets, using newlib nano works better.
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env.Append(LINKFLAGS=["--specs=nano.specs", "-u", "_printf_float"])
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