程序包 ohos.usb

类 USBConfig

java.lang.Object

ohos.usb.USBConfig

public class USBConfig
extends Object

Gets information about USB configuration.

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
USBConfig(int id, int maxPower, String name, boolean isRemoteWakeup, boolean isSelfPowered)

方法概要

限定符和类型	方法	说明
int	getId()	Get the current configuration ID.
USBInterface	getInterface(int index)	Get a USBInterface object by index in the USBConfig.
int	getInterfaceCount()	Get the number of interfaces of the configuration.
int	getMaxPower()	Get the maximum power consumption of the current configuration.
String	getName()	Get the current configuration name.
boolean	isRemoteWakeup()	Checks whether the current configuration supports remote wakeup.
boolean	isSelfPowered()	Checks whether the configuration supports an independent power source.
void	setInterfaces(USBInterface[] interfaces)	Sets a local USBInterface 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

USBConfig

public USBConfig(int id,
                 int maxPower,
                 String name,
                 boolean isRemoteWakeup,
                 boolean isSelfPowered)

方法详细资料

getInterface

public USBInterface getInterface(int index)

Get a USBInterface object by index in the USBConfig.

参数:

index - Indicates the USBInterface object index in the USBConfig.

返回:

Returns the USBInterface object .

从以下版本开始:

5

setInterfaces

public void setInterfaces(USBInterface[] interfaces)

Sets a local USBInterface object.

参数:

interfaces - Indicates a local USBInterface object.

从以下版本开始:

5

getInterfaceCount

public int getInterfaceCount()

Get the number of interfaces of the configuration.

返回:

Returns the number of interfaces of the configuration.

从以下版本开始:

5

getId

public int getId()

Get the current configuration ID.

返回:

Returns the current configuration ID.

从以下版本开始:

5

getMaxPower

public int getMaxPower()

Get the maximum power consumption of the current configuration.

返回:

Returns the maximum power consumption.

从以下版本开始:

5

getName

public String getName()

Get the current configuration name.

返回:

Returns the current configuration name.

从以下版本开始:

5

isRemoteWakeup

public boolean isRemoteWakeup()

Checks whether the current configuration supports remote wakeup.

返回:

Returns true if the configuration supports remote wakeup; returns false otherwise.

从以下版本开始:

5

isSelfPowered

public boolean isSelfPowered()

Checks whether the configuration supports an independent power source.

返回:

Returns true if the configuration supports an independent power source; returns false otherwise.

从以下版本开始:

5