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Source: https://raw.githubusercontent.com/letscontrolit/ESPEasy/mega/tools/pio/post_esp32.py
83 lines
2.8 KiB
Python
83 lines
2.8 KiB
Python
# Source: https://raw.githubusercontent.com/letscontrolit/ESPEasy/mega/tools/pio/post_esp32.py
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# Part of ESPEasy build toolchain.
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#
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# Combines separate bin files with their respective offsets into a single file
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# This single file must then be flashed to an ESP32 node with 0 offset.
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#
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# Original implementation: Bartłomiej Zimoń (@uzi18)
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# Maintainer: Gijs Noorlander (@TD-er)
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#
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# Special thanks to @Jason2866 (Tasmota) for helping debug flashing to >4MB flash
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# Thanks @jesserockz (esphome) for adapting to use esptool.py with merge_bin
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#
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# Typical layout of the generated file:
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# Offset | File
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# - 0x1000 | ~\.platformio\packages\framework-arduinoespressif32\tools\sdk\esp32\bin\bootloader_dout_40m.bin
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# - 0x8000 | ~\ESPEasy\.pio\build\<env name>\partitions.bin
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# - 0xe000 | ~\.platformio\packages\framework-arduinoespressif32\tools\partitions\boot_app0.bin
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# - 0x10000 | ~\ESPEasy\.pio\build\<env name>/<built binary>.bin
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Import("env")
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platform = env.PioPlatform()
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import sys
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import os
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import subprocess
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from os.path import join
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def normalize_paths(cmd):
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for i, arg in enumerate(cmd):
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if isinstance(arg, str) and '/' in arg:
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cmd[i] = os.path.normpath(arg)
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return cmd
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def esp32_create_combined_bin(source, target, env):
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print("Generating combined binary for serial flashing")
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# The offset from begin of the file where the app0 partition starts
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# This is defined in the partition .csv file
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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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flash_size = env.BoardConfig().get("upload.flash_size", "4MB")
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flash_mode = env["__get_board_flash_mode"](env)
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flash_freq = env["__get_board_f_flash"](env)
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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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cmdline = [env.subst("$OBJCOPY")] + normalize_paths(cmd)
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print('Command Line: %s' % cmdline)
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result = subprocess.run(cmdline, text=True, check=False, stdout=subprocess.DEVNULL)
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if result.returncode != 0:
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print(f"esptool create firmware failed with exit code: {result.returncode}")
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env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", esp32_create_combined_bin)
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