idf_component_register(PRIV_REQUIRES partition_table esptool_py) # Do not generate flash file when building bootloader or is in early expansion of the build if(BOOTLOADER_BUILD OR NOT CONFIG_APP_BUILD_BOOTLOADER) return() endif() add_dependencies(bootloader partition_table_bin) # When secure boot is enabled and CONFIG_SECURE_BOOT_FLASH_BOOTLOADER_DEFAULT is not enabled # do not flash the bootloader along with the other artifacts using the command `idf.py flash` if(NOT CONFIG_SECURE_BOOT OR CONFIG_SECURE_BOOT_FLASH_BOOTLOADER_DEFAULT) set(flash_bootloader FLASH_IN_PROJECT) endif() esptool_py_custom_target(bootloader-flash bootloader "bootloader") esptool_py_flash_target_image(bootloader-flash bootloader ${CONFIG_BOOTLOADER_OFFSET_IN_FLASH} "${BOOTLOADER_BUILD_DIR}/bootloader.bin") # Also attach an image to the project flash target if(NOT CONFIG_SECURE_BOOT OR CONFIG_SECURE_BOOT_FLASH_BOOTLOADER_DEFAULT) esptool_py_flash_target_image(flash bootloader ${CONFIG_BOOTLOADER_OFFSET_IN_FLASH} "${BOOTLOADER_BUILD_DIR}/bootloader.bin") endif()