ConfigDescriptor (usb4java 1.3.0 API)

java.lang.Object
- org.usb4java.ConfigDescriptor

```
public final class ConfigDescriptor
extends Object
```
A structure representing the standard USB configuration descriptor. This descriptor is documented in section 9.6.3 of the USB 3.0 specification. All multiple-byte fields are represented in host-endian format.

Author:

Klaus Reimer (k@ailis.de)

Constructor Summary

Constructors
Constructor and Description

ConfigDescriptor()
Constructs a new config descriptor which can be passed to the LibUsb.getConfigDescriptor(Device, byte, ConfigDescriptor) method.

Constructors
Constructor and Description
`ConfigDescriptor()` Constructs a new config descriptor which can be passed to the `LibUsb.getConfigDescriptor(Device, byte, ConfigDescriptor)` method.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`byte`	`bConfigurationValue()` Returns the identifier value for this configuration.
`byte`	`bDescriptorType()` Returns the descriptor type.
`byte`	`bLength()` Returns the size of this descriptor (in bytes).
`byte`	`bmAttributes()` Returns the configuration characteristics.
`byte`	`bMaxPower()` Returns the maximum power consumption of the USB device from this bus configuration when the device is fully operation.
`byte`	`bNumInterfaces()` Returns the number of interfaces supported by this configuration.
`String`	`dump()` Returns a dump of this descriptor.
`boolean`	`equals(Object obj)`
`ByteBuffer`	`extra()` Extra descriptors.
`int`	`extraLength()` Length of the extra descriptors, in bytes.
`long`	`getPointer()` Returns the native pointer.
`int`	`hashCode()`
`byte`	`iConfiguration()` Returns the index of string descriptor describing this configuration.
`Interface[]`	`iface()` Returns the array with interfaces supported by this configuration.
`String`	`toString()`
`short`	`wTotalLength()` Returns the total length of data returned for this configuration.

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - ConfigDescriptor
```
public ConfigDescriptor()
```
    Constructs a new config descriptor which can be passed to the LibUsb.getConfigDescriptor(Device, byte, ConfigDescriptor) method.
- Method Detail
  - getPointer
```
public long getPointer()
```
    Returns the native pointer.
    
    Returns:
    
    The native pointer.
  - bLength
```
public byte bLength()
```
    Returns the size of this descriptor (in bytes).
    
    Returns:
    
    The size of this descriptor (in bytes).
  - bDescriptorType
```
public byte bDescriptorType()
```
    Returns the descriptor type. Will have value LibUsb.DT_CONFIG in this context.
    
    Returns:
    
    The descriptor type.
  - wTotalLength
```
public short wTotalLength()
```
    Returns the total length of data returned for this configuration.
    
    Returns:
    
    The total length of data.
  - bNumInterfaces
```
public byte bNumInterfaces()
```
    Returns the number of interfaces supported by this configuration.
    
    Returns:
    
    The number of supported interfaces.
  - bConfigurationValue
```
public byte bConfigurationValue()
```
    Returns the identifier value for this configuration.
    
    Returns:
    
    The identifier value.
  - iConfiguration
```
public byte iConfiguration()
```
    Returns the index of string descriptor describing this configuration.
    
    Returns:
    
    The string descriptor index.
  - bmAttributes
```
public byte bmAttributes()
```
    Returns the configuration characteristics.
    
    Returns:
    
    The configuration characteristics.
  - bMaxPower
```
public byte bMaxPower()
```
    Returns the maximum power consumption of the USB device from this bus configuration when the device is fully operation. Expressed in units of 2 mA when the device is operating in high-speed mode and in units of 8 mA when the device is operating in super-speed mode.
    
    Returns:
    
    The maximum power consumption.
  - iface
```
public Interface[] iface()
```
    Returns the array with interfaces supported by this configuration.
    
    Returns:
    
    The array with interfaces.
  - extra
```
public ByteBuffer extra()
```
    Extra descriptors. If libusb encounters unknown interface descriptors, it will store them here, should you wish to parse them.
    
    Returns:
    
    The extra descriptors.
  - extraLength
```
public int extraLength()
```
    Length of the extra descriptors, in bytes.
    
    Returns:
    
    The extra descriptors length.
  - dump
```
public String dump()
```
    Returns a dump of this descriptor.
    
    Returns:
    
    The descriptor dump.
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - equals
```
public boolean equals(Object obj)
```
    Overrides:
    
    equals in class Object
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object

Class ConfigDescriptor

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

ConfigDescriptor

Method Detail

getPointer

bLength

bDescriptorType

wTotalLength

bNumInterfaces

bConfigurationValue

iConfiguration

bmAttributes

bMaxPower

iface

extra

extraLength

dump

hashCode

equals

toString