import subprocess import configparser import traceback import sys from os.path import join from readprops import readProps Import("env") platform = env.PioPlatform() def esp32_create_combined_bin(source, target, env): # this sub is borrowed from ESPEasy build toolchain. It's licensed under GPL V3 # https://github.com/letscontrolit/ESPEasy/blob/mega/tools/pio/post_esp32.py print("Generating combined binary for serial flashing") app_offset = 0x10000 new_file_name = env.subst("$BUILD_DIR/${PROGNAME}.factory.bin") sections = env.subst(env.get("FLASH_EXTRA_IMAGES")) firmware_name = env.subst("$BUILD_DIR/${PROGNAME}.bin") chip = env.get("BOARD_MCU") flash_size = env.BoardConfig().get("upload.flash_size") flash_freq = env.BoardConfig().get("build.f_flash", '40m') flash_freq = flash_freq.replace('000000L', 'm') flash_mode = env.BoardConfig().get("build.flash_mode", "dio") memory_type = env.BoardConfig().get("build.arduino.memory_type", "qio_qspi") if flash_mode == "qio" or flash_mode == "qout": flash_mode = "dio" if memory_type == "opi_opi" or memory_type == "opi_qspi": flash_mode = "dout" cmd = [ "--chip", chip, "merge_bin", "-o", new_file_name, "--flash_mode", flash_mode, "--flash_freq", flash_freq, "--flash_size", flash_size, ] print(" Offset | File") for section in sections: sect_adr, sect_file = section.split(" ", 1) print(f" - {sect_adr} | {sect_file}") cmd += [sect_adr, sect_file] print(f" - {hex(app_offset)} | {firmware_name}") cmd += [hex(app_offset), firmware_name] print('Using esptool.py arguments: %s' % ' '.join(cmd)) esptool.main(cmd) if (platform.name == "espressif32"): sys.path.append(join(platform.get_package_dir("tool-esptoolpy"))) import esptool env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", esp32_create_combined_bin) Import("projenv") prefsLoc = projenv["PROJECT_DIR"] + "/version.properties" verObj = readProps(prefsLoc) print("Using meshtastic platformio-custom.py, firmware version " + verObj['long']) # General options that are passed to the C and C++ compilers projenv.Append(CCFLAGS=[ "-DAPP_VERSION=" + verObj['long'], "-DAPP_VERSION_SHORT=" + verObj['short'] ])