esp-idf/components/esptool_py/project_include.cmake

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CMake

# Set some global esptool.py variables
#
# Many of these are read when generating flash_app_args & flash_project_args
set(ESPTOOLPY "${PYTHON}" "${CMAKE_CURRENT_LIST_DIR}/esptool/esptool.py" --chip esp32)
set(ESPSECUREPY "${PYTHON}" "${CMAKE_CURRENT_LIST_DIR}/esptool/espsecure.py")
set(ESPFLASHMODE ${CONFIG_ESPTOOLPY_FLASHMODE})
set(ESPFLASHFREQ ${CONFIG_ESPTOOLPY_FLASHFREQ})
set(ESPFLASHSIZE ${CONFIG_ESPTOOLPY_FLASHSIZE})
set(ESPTOOLPY_SERIAL "${ESPTOOLPY}" --port "${ESPPORT}" --baud ${ESPBAUD})
set(ESPTOOLPY_ELF2IMAGE_FLASH_OPTIONS --flash_mode ${ESPFLASHMODE} --flash_freq ${ESPFLASHFREQ} --flash_size ${ESPFLASHSIZE})
if(CONFIG_ESPTOOLPY_FLASHSIZE_DETECT)
# Set ESPFLASHSIZE to 'detect' *after* elf2image options are generated,
# as elf2image can't have 'detect' as an option...
set(ESPFLASHSIZE detect)
endif()
# Set variables if the PHY data partition is in the flash
if (CONFIG_ESP32_PHY_INIT_DATA_IN_PARTITION)
set(PHY_PARTITION_OFFSET ${CONFIG_PHY_DATA_OFFSET})
set(PHY_PARTITION_BIN_FILE "esp32/phy_init_data.bin")
endif()
#
# Add 'app.bin' target - generates with elf2image
#
add_custom_command(OUTPUT "${PROJECT_NAME}.bin"
COMMAND ${ESPTOOLPY} elf2image ${ESPTOOLPY_ELF2IMAGE_FLASH_OPTIONS} -o "${PROJECT_NAME}.bin" "${PROJECT_NAME}.elf"
DEPENDS ${PROJECT_NAME}.elf
VERBATIM
)
add_custom_target(app ALL DEPENDS "${PROJECT_NAME}.bin")
#
# Add 'flash' target - not all build systems can run this directly
#
function(esptool_py_custom_target target_name flasher_filename dependencies)
add_custom_target(${target_name} DEPENDS ${dependencies}
COMMAND ${ESPTOOLPY} -p ${CONFIG_ESPTOOLPY_PORT} -b ${CONFIG_ESPTOOLPY_BAUD} write_flash @flash_${flasher_filename}_args
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
)
endfunction()
esptool_py_custom_target(flash project "app;partition_table;bootloader")
esptool_py_custom_target(app-flash app "app")
esptool_py_custom_target(bootloader-flash bootloader "bootloader")