1e41f4b71Sopenharmony_ci# HdiUsb 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## 概述 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ci提供统一的USB驱动标准接口，实现USB驱动接入。 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci上层USB服务开发人员可以根据USB驱动模块提供的标准接口获取如下功能：打开/关闭设备，获取设备描述符，获取文件描述符，打开/关闭接口，批量读取/写入数据， 设置/获取设备功能，绑定/解绑订阅者等。 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci**起始版本：** 5.0 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci## 汇总 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci### 文件 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci| 名称 | 描述 | 19e41f4b71Sopenharmony_ci| -------- | -------- | 20e41f4b71Sopenharmony_ci| [IUsbInterface.idl](_i_usb_interface_8idl_v11.md) | 声明标准的USB驱动接口函数。 | 21e41f4b71Sopenharmony_ci| [UsbTypes.idl](_usb_types_8idl_v11.md) | USB驱动相关的数据类型。 | 22e41f4b71Sopenharmony_ci 23e41f4b71Sopenharmony_ci 24e41f4b71Sopenharmony_ci### 类 25e41f4b71Sopenharmony_ci 26e41f4b71Sopenharmony_ci| 名称 | 描述 | 27e41f4b71Sopenharmony_ci| -------- | -------- | 28e41f4b71Sopenharmony_ci| interface [IUsbInterface](interface_i_usb_interface_v11.md) | 定义USB驱动基本的操作功能。 | 29e41f4b71Sopenharmony_ci| struct [UsbCtrlTransferParams](_usb_ctrl_transfer_params_v11.md) | USB设备控制传输信息。 | 30