Kconfig visual configuration is implemented on [Kconfiglib](https://github.com/ulfalizer/Kconfiglib) and [Kconfig](https://www.kernel.org/doc/html/latest/kbuild/kconfig-language.html#introduction). It allows customized configuration of OpenHarmony subsystem components.
This function has the following advantages:
Kconfig visual configuration has the following advantages:
- Intuitive display of software component options
- High reliability (Linux kernel and Buildroot use Kconfig for visualized configuration)
### Key Concepts
### Basic Concepts
-[Kconfig](https://www.kernel.org/doc/html/latest/kbuild/kconfig-language.html#introduction): a visual configuration file format for Linux.
...
...
@@ -22,20 +22,20 @@ This function has the following advantages:
-[Config format conversion](https://gitee.com/openharmony/build/blob/master/tools/component_tools/parse_kconf.py): converts the **config** file generated on the GUI to the standard format for compilation and build.
## Procedure
## Operation Guide
1. Obtain the source code.
For details, see [Obtaining Source Code](https://gitee.com/openharmony/docs/blob/master/en/device-dev/get-code/sourcecode-acquire.md).
For details, see [Obtaining Source Code](../get-code/sourcecode-acquire.md).
2. Set up the environment.
The Kconfiglib required for environment configuration has been embedded in the OpenHarmony hb tool. For details about how to install the hb tool, see [Install hb](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-env-setup.md#install-hb).
The Kconfiglib required for environment configuration has been embedded in the OpenHarmony hb tool. For details about how to install the hb tool, see [Installing hb](../quick-start/quickstart-lite-env-setup.md).
3. Open the Kconfig configuration interface.
```shell
#Go to the build repository directory.
#Go to the build repository directory.
cd build/tools/component_tools
menuconfig kconfig
```
...
...
@@ -68,7 +68,7 @@ This function has the following advantages:
@@ -91,23 +91,23 @@ This function has the following advantages:
By default, the file **product.json** is generated in the current directory. You can also use `python3 parse_kconf.py --out="example/out.json"` to specify the file path.
For more operations, see `python3 parse_kconf.py -h`.
For more operations, run `python3 parse_kconf.py -h`.
## FAQs
### The latest component information is missing from the menu.
### Latest Components Not Displayed in the Menu List
The component list [productdefine/common/base/base_product.json](https://gitee.com/openharmony/productdefine_common/blob/master/base/base_product.json) is updated with product updates and iterations. As a result, the Kconfig menu does not contain the latest components.
The component list [productdefine/common/base/base_product.json](https://gitee.com/openharmony/productdefine_common/blob/master/base/base_product.json) is updated with product updates and iterations. The Kconfig menu does not contain the latest components.
Solution:
**Solution**
-Update the [Kconfig file](https://gitee.com/openharmony/build/blob/master/tools/component_tools/kconfig).
Update the [Kconfig file](https://gitee.com/openharmony/build/blob/master/tools/component_tools/kconfig).
```shell
cd build/tools/component_tools
python3 generate_kconfig.py
```
```shell
cd build/tools/component_tools
python3 generate_kconfig.py
```
For more details, see `python3 generate_kconfig.py -h`.
You can run `python3 generate_kconfig.py -h` to view more options.
