1c1d0c72aSopenharmony_ci# lite\_uhdf<a name="EN-US_TOPIC_0000001078170046"></a> 2c1d0c72aSopenharmony_ci 3c1d0c72aSopenharmony_ci- [Introduction](#section11660541593) 4c1d0c72aSopenharmony_ci- [Directory Structure](#section161941989596) 5c1d0c72aSopenharmony_ci- [Repositories Involved](#section1371113476307) 6c1d0c72aSopenharmony_ci 7c1d0c72aSopenharmony_ci## Introduction<a name="section11660541593"></a> 8c1d0c72aSopenharmony_ci 9c1d0c72aSopenharmony_ciThis 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 \(HDF\). 10c1d0c72aSopenharmony_ci 11c1d0c72aSopenharmony_ci## Directory Structure<a name="section161941989596"></a> 12c1d0c72aSopenharmony_ci 13c1d0c72aSopenharmony_ci``` 14c1d0c72aSopenharmony_ci/drivers/hdf_core/adapter/uhdf 15c1d0c72aSopenharmony_ci├── manager # Compilation scripts for adapting to the HDF 16c1d0c72aSopenharmony_ci├── platform # Compilation scripts for adapting to the hardware APIs 17c1d0c72aSopenharmony_ci└── posix # Compilation scripts for adapting to the POSIX APIs 18c1d0c72aSopenharmony_ci└── test # Test cases for the user-mode code 19c1d0c72aSopenharmony_ci``` 20c1d0c72aSopenharmony_ci 21c1d0c72aSopenharmony_ci## Repositories Involved<a name="section1371113476307"></a> 22c1d0c72aSopenharmony_ci 23c1d0c72aSopenharmony_ci[Driver subsystem](https://gitee.com/openharmony/docs/blob/master/en/readme/driver.md) 24c1d0c72aSopenharmony_ci 25c1d0c72aSopenharmony_ci[drivers\_framework](https://gitee.com/openharmony/drivers_framework/blob/master/README.md) 26c1d0c72aSopenharmony_ci 27c1d0c72aSopenharmony_ci[drivers\_adapter\_uhdf](https://gitee.com/openharmony/drivers_adapter/blob/master/uhdf/README_zh.md) 28c1d0c72aSopenharmony_ci 29c1d0c72aSopenharmony_ci[drivers\_adapter\_khdf\_linux](https://gitee.com/openharmony/drivers_adapter_khdf_linux/blob/master/README.md) 30c1d0c72aSopenharmony_ci 31c1d0c72aSopenharmony_ci[drivers\_adapter\_khdf\_liteos](https://gitee.com/openharmony/drivers_adapter/blob/master/khdf/liteos/README.md) 32c1d0c72aSopenharmony_ci 33