USBDevice

java.lang.Object
- ohos.usb.USBDevice

```
public class USBDevice
extends Object
```
Get configuration information of a USB device. For details on the information structure, see USB protocol specifications.
When using this class, a USB device is attached to a USB host. According to the USB protocol specifications, a device contains one or more configurations, a configuration contains one or more interfaces, and an interface contains one or more endpoints.

从以下版本开始:

5

SystemCapability

SystemCapability.Usb#USB_MANAGER

构造器概要

构造器
构造器	说明
`USBDevice(String deviceName, int vendorId, int productId, int classId, int subClassId, int protocolId, String manufacturerName, String productName, String version, String serialNumber)`	A constructor used to create a `USBDevice`.

方法概要

所有方法静态方法实例方法具体方法
限定符和类型	方法	说明
`USBConfig`	`getConfiguration(int index)`	Get a `USBConfig` instance of this device by index.
`int`	`getConfigurationCount()`	Get the number of configurations of this device.
`int`	`getDeviceClass()`	Gets the `Class` field of a USB device.
`int`	`getDeviceId()`	Gets the `Id` field of a USB device.
`static int`	`getDeviceId(String name)`	Gets the `Id` field of the USB device.
`String`	`getDeviceName()`	Get the `Name` field of a USB device.
`static String`	`getDeviceName(int id)`	Get the `Name` field of a USB device.
`int`	`getDeviceProtocol()`	Get the `Protocol` field of a USB device.
`int`	`getDeviceSubclass()`	Get the `SubClass` field of a USB device.
`USBInterface`	`getInterface(int index)`	Get an interface instance of this device by index.
`int`	`getInterfaceCount()`	Get the number of interfaces of this device.
`String`	`getManufacturerName()`	Get the manufacturer string of this device.
`int`	`getProductId()`	Get the `ProductId` field of a USB device.
`String`	`getProductName()`	Get the `ProductName` field of a USB device.
`String`	`getSerialNumber()`	Get the `SerialNumber` field of a USB device.
`int`	`getVendorId()`	Get the `VendorId` field of a USB device.
`String`	`getVersion()`	Get the `Version` field of a USB device.
`void`	`setConfigurations(USBConfig[] configs)`	Sets configurations of this device.
`void`	`setInterfaces(USBInterface[] interfaces)`	Sets interfaces for a local object.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - USBDevice
```
public USBDevice(String deviceName,
                 int vendorId,
                 int productId,
                 int classId,
                 int subClassId,
                 int protocolId,
                 String manufacturerName,
                 String productName,
                 String version,
                 String serialNumber)
```
    A constructor used to create a USBDevice.
    
    参数:
    
    deviceName - Indicates the name of the USB device, which is usually determined by the low layer.
    
    vendorId - Indicates the vendor ID of the USB device, which is assigned by the USB-IF.
    
    productId - Indicates the product ID of the USB device, which is assigned by the USB-IF.
    
    classId - Indicates the class code of the USB device, which is assigned by the USB-IF.
    
    subClassId - Indicates the subclass code of the USB device, which is assigned by the USB-IF.
    
    protocolId - Indicates the protocol code of the USB device, which is assigned by the USB-IF.
    
    manufacturerName - Indicates the manufacturer name of the USB device.
    
    productName - Indicates the product name of the USB device.
    
    version - Indicates the version number of the USB device.
    
    serialNumber - Indicates the serial number of the USB device.
    
    从以下版本开始:
    
    5
- 方法详细资料
  - getDeviceClass
```
public int getDeviceClass()
```
    Gets the Class field of a USB device.
    
    返回:
    
    Returns the Class field.
    
    从以下版本开始:
    
    5
  - getDeviceId
```
public int getDeviceId()
```
    Gets the Id field of a USB device.
    
    返回:
    
    Returns the Id field.
    
    从以下版本开始:
    
    5
  - getDeviceId
```
public static int getDeviceId(String name)
```
    Gets the Id field of the USB device.
    
    参数:
    
    name - Name of the USB device.
    
    返回:
    
    Returns the Id field.
    
    从以下版本开始:
    
    5
  - getDeviceName
```
public String getDeviceName()
```
    Get the Name field of a USB device.
    
    返回:
    
    Returns the Name field.
    
    从以下版本开始:
    
    5
  - getDeviceName
```
public static String getDeviceName(int id)
```
    Get the Name field of a USB device.
    
    参数:
    
    id - Id of the USB device.
    
    返回:
    
    Returns the Name field.
    
    从以下版本开始:
    
    5
  - getDeviceProtocol
```
public int getDeviceProtocol()
```
    Get the Protocol field of a USB device.
    
    返回:
    
    Returns the Protocol field.
    
    从以下版本开始:
    
    5
  - getDeviceSubclass
```
public int getDeviceSubclass()
```
    Get the SubClass field of a USB device.
    
    返回:
    
    Returns the SubClass field.
    
    从以下版本开始:
    
    5
  - setInterfaces
```
public void setInterfaces(USBInterface[] interfaces)
```
    Sets interfaces for a local object.
    
    参数:
    
    interfaces - Indicates the array of a USBInterface object.
    
    从以下版本开始:
    
    5
  - getInterface
```
public USBInterface getInterface(int index)
```
    Get an interface instance of this device by index.
    
    参数:
    
    index - Indicates the interface index.
    
    返回:
    
    Returns the interface.
    
    从以下版本开始:
    
    5
  - getInterfaceCount
```
public int getInterfaceCount()
```
    Get the number of interfaces of this device.
    
    返回:
    
    Returns the number of interfaces.
    
    从以下版本开始:
    
    5
  - getManufacturerName
```
public String getManufacturerName()
```
    Get the manufacturer string of this device.
    
    返回:
    
    Returns the manufacturer string of this device.
    
    从以下版本开始:
    
    5
  - getProductId
```
public int getProductId()
```
    Get the ProductId field of a USB device.
    
    返回:
    
    Returns the ProductId field.
    
    从以下版本开始:
    
    5
  - getProductName
```
public String getProductName()
```
    Get the ProductName field of a USB device.
    
    返回:
    
    Returns the ProductName field.
    
    从以下版本开始:
    
    5
  - getSerialNumber
```
public String getSerialNumber()
```
    Get the SerialNumber field of a USB device.
    
    返回:
    
    Returns the SerialNumber field.
    
    从以下版本开始:
    
    5
  - getVendorId
```
public int getVendorId()
```
    Get the VendorId field of a USB device.
    
    返回:
    
    Returns the VendorId field.
    
    从以下版本开始:
    
    5
  - getVersion
```
public String getVersion()
```
    Get the Version field of a USB device.
    
    返回:
    
    Returns the Version field.
    
    从以下版本开始:
    
    5
  - getConfiguration
```
public USBConfig getConfiguration(int index)
```
    Get a USBConfig instance of this device by index.
    
    参数:
    
    index - Indicates the configuration index.
    
    返回:
    
    Returns the corresponding USBConfig object.
    
    从以下版本开始:
    
    5
  - getConfigurationCount
```
public int getConfigurationCount()
```
    Get the number of configurations of this device.
    
    返回:
    
    Returns the number of configurations.
    
    从以下版本开始:
    
    5
  - setConfigurations
```
public void setConfigurations(USBConfig[] configs)
```
    Sets configurations of this device.
    
    参数:
    
    configs - Indicates the array of a USBConfig object.
    
    从以下版本开始:
    
    5

类 USBDevice

构造器概要

方法概要

从类继承的方法 java.lang.Object

构造器详细资料

USBDevice

方法详细资料

getDeviceClass

getDeviceId

getDeviceId

getDeviceName

getDeviceName

getDeviceProtocol

getDeviceSubclass

setInterfaces

getInterface

getInterfaceCount

getManufacturerName

getProductId

getProductName

getSerialNumber

getVendorId

getVersion

getConfiguration

getConfigurationCount

setConfigurations