2ae9ca02d7
- toString() - javadoc added - interface changes (Strings, dll) git-svn-id: https://svn.code.sf.net/p/libusbjava/code/trunk@147 94ad28fe-ef68-46b1-9651-e7ae4fcf1c4c
78 lines
1.9 KiB
Java
78 lines
1.9 KiB
Java
package ch.ntb.usb;
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/**
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* Represents the descriptor of a USB configuration.<br>
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* A USB device can have several different configuration.<br>
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* <br>
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* The length of the configuration descriptor is
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* {@link ch.ntb.usb.Usb_Descriptor#USB_DT_CONFIG_SIZE} and the type is
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* {@link ch.ntb.usb.Usb_Descriptor#USB_DT_CONFIG}.
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*
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* @author schlaepfer
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*
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*/
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public class Usb_Config_Descriptor extends Usb_Descriptor {
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/**
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* Maximum number of configuration per device
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*/
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public static final int USB_MAXCONFIG = 8;
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/**
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* Total length in bytes of data returned.<br>
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* When the configuration descriptor is read, it returns the entire
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* configuration hierarchy which includes all related interface and endpoint
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* descriptors. The <code>wTotalLength</code> field reflects the number of
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* bytes in the hierarchy.
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*/
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public short wTotalLength;
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/**
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* Number of interfaces
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*/
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public byte bNumInterfaces;
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/**
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* Value to use as an argument to select this configuration ({@link LibusbWin#usb_set_configuration(int, int)}).
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*/
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public byte bConfigurationValue;
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/**
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* Index of String descriptor describing this configuration
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*/
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public byte iConfiguration;
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/**
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* Specifies power parameters for this configuration<br>
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* <br>
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* Bit 7: Reserved, set to 1 (USB 1.0 Bus Powered)<br>
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* Bit 6: Self Powered<br>
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* Bit 5: Remote Wakeup<br>
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* Bit 4..0: Reserved, set to 0
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*/
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public byte bmAttributes;
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/**
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* Maximum power consumption in 2mA units
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*/
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public byte MaxPower;
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/**
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* USB interface descriptors
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*/
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public Usb_Interface[] interface_;
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/**
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* Extra descriptors are currently not interpreted because of their unknown
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* structure.
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*/
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public Usb_Config_Descriptor extra; /* Extra descriptors */
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// TODO
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public int extralen;
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public String toString() {
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return "Usb_Config_Descriptor bNumInterfaces: 0x"
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+ Integer.toHexString(bNumInterfaces);
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}
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} |