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feat(cmakev2/project): add idf_build_generate_flasher_args function

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Generate the flasher_args.json file for the global flash target for
tools that require it.

Signed-off-by: Frantisek Hrbata <frantisek.hrbata@espressif.com>
This commit is contained in:
Frantisek Hrbata
2025-11-04 07:48:14 +01:00
parent 89c4a36c05
commit 5157690109
1 changed files with 51 additions and 0 deletions
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tools/cmakev2/project.cmake
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@@ -622,6 +622,55 @@ macro(idf_project_init)
unset(project_initialized)
endmacro()
#[[api
.. cmakev2:macro:: idf_build_generate_flasher_args
.. code-block:: cmake
idf_build_generate_flasher_args()
Generate the flasher_args.json file for the global flash target for tools
that require it.
#]]
function(idf_build_generate_flasher_args)
# The variables listed below are used to configure the template
# flasher_args.json.in. Some of these variables, such as flash mode, size,
# and frequency, are set as properties of the esptool_py component.
idf_build_get_property(target IDF_TARGET)
set(ESPTOOLPY_CHIP "${target}")
set(ESPTOOLPY_BEFORE "${CONFIG_ESPTOOLPY_BEFORE}")
set(ESPTOOLPY_AFTER "${CONFIG_ESPTOOLPY_AFTER}")
if(CONFIG_ESPTOOLPY_NO_STUB)
set(ESPTOOLPY_WITH_STUB false)
else()
set(ESPTOOLPY_WITH_STUB true)
endif()
if(CONFIG_SECURE_BOOT OR CONFIG_SECURE_FLASH_ENC_ENABLED)
# If security enabled then override post flash option
set(ESPTOOLPY_AFTER "no_reset")
endif()
idf_component_get_property(ESPFLASHMODE esptool_py ESPFLASHMODE)
idf_component_get_property(ESPFLASHFREQ esptool_py ESPFLASHFREQ)
idf_component_get_property(ESPFLASHSIZE esptool_py ESPFLASHSIZE)
idf_component_get_property(esptool_py_dir esptool_py COMPONENT_DIR)
# Generate flasher args files
idf_build_get_property(build_dir BUILD_DIR)
file(READ "${esptool_py_dir}/flasher_args.json.in" flasher_args_content)
string(CONFIGURE "${flasher_args_content}" flasher_args_content)
# We need to create a flasher_args.json.in to create the final flasher_args.json
# because CMake only resolves generator expressions in the file_generate command
# with the INPUT keyword during the generation phase.
file_generate("${build_dir}/flasher_args.json.in"
CONTENT "${flasher_args_content}")
file_generate("${build_dir}/flasher_args.json"
INPUT "${build_dir}/flasher_args.json.in")
endfunction()
#[[api
.. cmakev2:macro:: idf_project_default
@@ -686,6 +735,8 @@ macro(idf_project_default)
if(CONFIG_APP_BUILD_BOOTLOADER)
add_dependencies(flash "bootloader")
endif()
idf_build_generate_flasher_args()
endif()
idf_build_generate_metadata("${executable}")