# lite\_uhdf<a name="EN-US_TOPIC_0000001078170046"></a>

-   [Introduction](#section11660541593)
-   [Directory Structure](#section161941989596)
-   [Repositories Involved](#section1371113476307)

## Introduction<a name="section11660541593"></a>

This repository stores the code and compilation scripts for the OpenHarmony driver subsystem to adapt to the user space and provides basic capabilities for the hardware driver foundation \(HDF\).

## Directory Structure<a name="section161941989596"></a>

```
/drivers/hdf_core/adapter/uhdf
├── manager        # Compilation scripts for adapting to the HDF
├── platform       # Compilation scripts for adapting to the hardware APIs
└── posix          # Compilation scripts for adapting to the POSIX APIs
└── test           # Test cases for the user-mode code
```

## Repositories Involved<a name="section1371113476307"></a>

[Driver subsystem](https://gitee.com/openharmony/docs/blob/master/en/readme/driver.md)

[drivers\_framework](https://gitee.com/openharmony/drivers_framework/blob/master/README.md)

[drivers\_adapter\_uhdf](https://gitee.com/openharmony/drivers_adapter/blob/master/uhdf/README_zh.md)

[drivers\_adapter\_khdf\_linux](https://gitee.com/openharmony/drivers_adapter_khdf_linux/blob/master/README.md)

[drivers\_adapter\_khdf\_liteos](https://gitee.com/openharmony/drivers_adapter/blob/master/khdf/liteos/README.md)