/*
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/*
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* Java libusb wrapper
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* Java libusb wrapper
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* Copyright (c) 2005-2006 Andreas Schläpfer <spandi at users.sourceforge.net>
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* Copyright (c) 2005-2006 Andreas Schläpfer <spandi at users.sourceforge.net>
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*
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*
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* http://libusbjava.sourceforge.net
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* http://libusbjava.sourceforge.net
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* This library is covered by the LGPL, read LGPL.txt for details.
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* This library is covered by the LGPL, read LGPL.txt for details.
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*/
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*/
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package ch.ntb.usb;
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package ch.ntb.usb;
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/**
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/**
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* Represents the descriptor of a USB configuration.<br>
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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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* A USB device can have several different configuration.<br>
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* <br>
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* <br>
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* The length of the configuration descriptor is
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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_SIZE} and the type is
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* {@link ch.ntb.usb.Usb_Descriptor#USB_DT_CONFIG}.
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* {@link ch.ntb.usb.Usb_Descriptor#USB_DT_CONFIG}.
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*
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*
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*/
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*/
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public class Usb_Config_Descriptor extends Usb_Descriptor {
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public class Usb_Config_Descriptor extends Usb_Descriptor {
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/**
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/**
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* Maximum number of configurations per device
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* Maximum number of configurations per device
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*/
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*/
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public static final int USB_MAXCONFIG = 8;
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public static final int USB_MAXCONFIG = 8;
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private short wTotalLength;
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private short wTotalLength;
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private byte bNumInterfaces;
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private byte bNumInterfaces;
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private byte bConfigurationValue;
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private byte bConfigurationValue;
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private byte iConfiguration;
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private byte iConfiguration;
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private byte bmAttributes;
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private byte bmAttributes;
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private byte MaxPower;
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private byte MaxPower;
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private Usb_Interface[] interface_;
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private Usb_Interface[] interface_;
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private byte[] extra; /* Extra descriptors */
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private byte[] extra; /* Extra descriptors */
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private int extralen;
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private int extralen;
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/**
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/**
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* Returns the value to use as an argument to select this configuration ({@link LibusbJava#usb_set_configuration(int, int)}).
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* Returns the value to use as an argument to select this configuration ({@link LibusbJava#usb_set_configuration(long, int)}).
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*
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*
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* @return the value to use as an argument to select this configuration
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* @return the value to use as an argument to select this configuration
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*/
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*/
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public byte getBConfigurationValue() {
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public byte getBConfigurationValue() {
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return bConfigurationValue;
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return bConfigurationValue;
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}
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}
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/**
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/**
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* Returns the power parameters for this configuration.<br>
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* Returns the power parameters for this configuration.<br>
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* <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 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 6: Self Powered<br>
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* Bit 5: Remote Wakeup<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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* Bit 4..0: Reserved, set to 0
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*
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*
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* @return the power parameters for this configuration
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* @return the power parameters for this configuration
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*/
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*/
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public byte getBmAttributes() {
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public byte getBmAttributes() {
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return bmAttributes;
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return bmAttributes;
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}
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}
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/**
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/**
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* Returns the number of interfaces.<br>
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* Returns the number of interfaces.<br>
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*
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*
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* @return the number of interfaces
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* @return the number of interfaces
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*/
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*/
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public byte getBNumInterfaces() {
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public byte getBNumInterfaces() {
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return bNumInterfaces;
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return bNumInterfaces;
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}
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}
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/**
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/**
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* Returns the data of extra descriptor(s) if available.<br>
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* Returns the data of extra descriptor(s) if available.<br>
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*
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*
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* @return null or a byte array with the extra descriptor data
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* @return null or a byte array with the extra descriptor data
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*/
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*/
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public byte[] getExtra() {
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public byte[] getExtra() {
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return extra;
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return extra;
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}
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}
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/**
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/**
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* Returns the number of bytes of the extra descriptor.<br>
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* Returns the number of bytes of the extra descriptor.<br>
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*
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*
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* @return the number of bytes of the extra descriptor
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* @return the number of bytes of the extra descriptor
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*/
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*/
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public int getExtralen() {
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public int getExtralen() {
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return extralen;
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return extralen;
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}
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}
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/**
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/**
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* Returns the index of the String descriptor describing this configuration.<br>
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* Returns the index of the String descriptor describing this configuration.<br>
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*
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*
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* @return the index of the String descriptor
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* @return the index of the String descriptor
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*/
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*/
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public byte getIConfiguration() {
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public byte getIConfiguration() {
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return iConfiguration;
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return iConfiguration;
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}
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}
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/**
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/**
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* Returns the USB interface descriptors.<br>
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* Returns the USB interface descriptors.<br>
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*
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*
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* @return the USB interface descriptors
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* @return the USB interface descriptors
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*/
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*/
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public Usb_Interface[] getInterface() {
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public Usb_Interface[] getInterface() {
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return interface_;
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return interface_;
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}
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}
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/**
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/**
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* Returns the maximum power consumption in 2mA units.<br>
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* Returns the maximum power consumption in 2mA units.<br>
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*
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*
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* @return the maximum power consumption in 2mA units
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* @return the maximum power consumption in 2mA units
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*/
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*/
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public byte getMaxPower() {
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public byte getMaxPower() {
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return MaxPower;
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return MaxPower;
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}
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}
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/**
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/**
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* Returns the total length in bytes of all descriptors.<br>
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* Returns the total length in bytes of all descriptors.<br>
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* When the configuration descriptor is read, it returns the entire
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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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* 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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* descriptors. The <code>wTotalLength</code> field reflects the number of
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* bytes in the hierarchy.
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* bytes in the hierarchy.
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*
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*
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* @return the total length in bytes of all descriptors
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* @return the total length in bytes of all descriptors
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*/
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*/
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public short getWTotalLength() {
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public short getWTotalLength() {
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return wTotalLength;
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return wTotalLength;
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}
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}
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@Override
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@Override
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public String toString() {
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public String toString() {
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return "Usb_Config_Descriptor bNumInterfaces: 0x"
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return "Usb_Config_Descriptor bNumInterfaces: 0x"
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+ Integer.toHexString(bNumInterfaces);
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+ Integer.toHexString(bNumInterfaces);
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}
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}
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