esp-idf/components/esp_app_format/Kconfig.projbuild

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menu "Application manager"
config APP_COMPILE_TIME_DATE
bool "Use time/date stamp for app"
default y
depends on !APP_REPRODUCIBLE_BUILD
help
If set, then the app will be built with the current time/date stamp. It is stored in the app description
structure. If not set, time/date stamp will be excluded from app image. This can be useful for getting the
same binary image files made from the same source, but at different times.
config APP_EXCLUDE_PROJECT_VER_VAR
bool "Exclude PROJECT_VER from firmware image"
default n
help
The PROJECT_VER variable from the build system will not affect the firmware image.
This value will not be contained in the esp_app_desc structure.
config APP_EXCLUDE_PROJECT_NAME_VAR
bool "Exclude PROJECT_NAME from firmware image"
default n
help
The PROJECT_NAME variable from the build system will not affect the firmware image.
This value will not be contained in the esp_app_desc structure.
config APP_PROJECT_VER_FROM_CONFIG
bool "Get the project version from Kconfig"
default n
help
If this is enabled, then config item APP_PROJECT_VER will be used for the variable PROJECT_VER.
Other ways to set PROJECT_VER will be ignored.
config APP_PROJECT_VER
string "Project version"
default "1"
depends on APP_PROJECT_VER_FROM_CONFIG
help
Project version
config APP_RETRIEVE_LEN_ELF_SHA
int "The length of APP ELF SHA is stored in RAM(chars)"
default 9
range 8 64
help
At startup, the app will read the embedded APP ELF SHA-256 hash value from flash
and convert it into a string and store it in a RAM buffer.
This ensures the panic handler and core dump will be able to print this string
even when cache is disabled.
The size of the buffer is APP_RETRIEVE_LEN_ELF_SHA plus the null terminator.
Changing this value will change the size of this buffer, in bytes.
endmenu # "Application manager"