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Java API for communicating with devices that are attached via USB
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package javax.usb;
/**
* Copyright (c) 1999 - 2001, International Business Machines Corporation.
* All Rights Reserved.
*
* This software is provided and licensed under the terms and conditions
* of the Common Public License:
* http://oss.software.ibm.com/developerworks/opensource/license-cpl.html
*/
/**
* USB constants.
* @author Dan Streetman
*/
public interface UsbConst
{
//**************************************************************************
// Hub constants
public static final byte HUB_CLASSCODE = (byte)0x09;
//**************************************************************************
// Device constants
/** Unknown device speed. Either the speed could not be detected or the speed was invalid (not USB 1.1 speed). */
public static final Object DEVICE_SPEED_UNKNOWN = new Object();
/** Low speed device. */
public static final Object DEVICE_SPEED_LOW = new Object();
/** Full speed device. */
public static final Object DEVICE_SPEED_FULL = new Object();
//**************************************************************************
// Configuration constants
public static final byte CONFIGURATION_POWERED_MASK = (byte)0x60;
public static final byte CONFIGURATION_SELF_POWERED = (byte)0x40;
public static final byte CONFIGURATION_REMOTE_WAKEUP = (byte)0x20;
//**************************************************************************
// Endpoint constants
public static final byte ENDPOINT_NUMBER_MASK = (byte)0x0f;
public static final byte ENDPOINT_DIRECTION_MASK = (byte)0x80;
public static final byte ENDPOINT_DIRECTION_OUT = (byte)0x00;
public static final byte ENDPOINT_DIRECTION_IN = (byte)0x80;
public static final byte ENDPOINT_TYPE_MASK = (byte)0x03;
public static final byte ENDPOINT_TYPE_CONTROL = (byte)0x00;
public static final byte ENDPOINT_TYPE_ISOCHRONOUS = (byte)0x01;
public static final byte ENDPOINT_TYPE_BULK = (byte)0x02;
public static final byte ENDPOINT_TYPE_INTERRUPT = (byte)0x03;
public static final byte ENDPOINT_SYNCHRONIZATION_TYPE_MASK = (byte)0x0c;
public static final byte ENDPOINT_SYNCHRONIZATION_TYPE_NONE = (byte)0x00;
public static final byte ENDPOINT_SYNCHRONIZATION_TYPE_ASYNCHRONOUS = (byte)0x04;
public static final byte ENDPOINT_SYNCHRONIZATION_TYPE_ADAPTIVE = (byte)0x08;
public static final byte ENDPOINT_SYNCHRONIZATION_TYPE_SYNCHRONOUS = (byte)0x0c;
public static final byte ENDPOINT_USAGE_TYPE_MASK = (byte)0x30;
public static final byte ENDPOINT_USAGE_TYPE_DATA = (byte)0x00;
public static final byte ENDPOINT_USAGE_TYPE_FEEDBACK = (byte)0x10;
public static final byte ENDPOINT_USAGE_TYPE_IMPLICIT_FEEDBACK_DATA = (byte)0x20;
public static final byte ENDPOINT_USAGE_TYPE_RESERVED = (byte)0x30;
//**************************************************************************
// Request constants
public static final byte REQUESTTYPE_DIRECTION_MASK = (byte)0x80;
public static final byte REQUESTTYPE_DIRECTION_IN = (byte)0x80;
public static final byte REQUESTTYPE_DIRECTION_OUT = (byte)0x00;
public static final byte REQUESTTYPE_TYPE_MASK = (byte)0x60;
public static final byte REQUESTTYPE_TYPE_STANDARD = (byte)0x00;
public static final byte REQUESTTYPE_TYPE_CLASS = (byte)0x20;
public static final byte REQUESTTYPE_TYPE_VENDOR = (byte)0x40;
public static final byte REQUESTTYPE_TYPE_RESERVED = (byte)0x60;
public static final byte REQUESTTYPE_RECIPIENT_MASK = (byte)0x1f;
public static final byte REQUESTTYPE_RECIPIENT_DEVICE = (byte)0x00;
public static final byte REQUESTTYPE_RECIPIENT_INTERFACE = (byte)0x01;
public static final byte REQUESTTYPE_RECIPIENT_ENDPOINT = (byte)0x02;
public static final byte REQUESTTYPE_RECIPIENT_OTHER = (byte)0x03;
public static final byte REQUEST_GET_STATUS = (byte)0x00;
public static final byte REQUEST_CLEAR_FEATURE = (byte)0x01;
public static final byte REQUEST_SET_FEATURE = (byte)0x03;
public static final byte REQUEST_SET_ADDRESS = (byte)0x05;
public static final byte REQUEST_GET_DESCRIPTOR = (byte)0x06;
public static final byte REQUEST_SET_DESCRIPTOR = (byte)0x07;
public static final byte REQUEST_GET_CONFIGURATION = (byte)0x08;
public static final byte REQUEST_SET_CONFIGURATION = (byte)0x09;
public static final byte REQUEST_GET_INTERFACE = (byte)0x0a;
public static final byte REQUEST_SET_INTERFACE = (byte)0x0b;
public static final byte REQUEST_SYNCH_FRAME = (byte)0x0c;
//**************************************************************************
// Feature selectors
public static final byte FEATURE_SELECTOR_DEVICE_REMOTE_WAKEUP = (byte)0x01;
public static final byte FEATURE_SELECTOR_ENDPOINT_HALT = (byte)0x00;
//**************************************************************************
// Descriptor constants
public static final byte DESCRIPTOR_TYPE_DEVICE = (byte)0x01;
public static final byte DESCRIPTOR_TYPE_CONFIGURATION = (byte)0x02;
public static final byte DESCRIPTOR_TYPE_STRING = (byte)0x03;
public static final byte DESCRIPTOR_TYPE_INTERFACE = (byte)0x04;
public static final byte DESCRIPTOR_TYPE_ENDPOINT = (byte)0x05;
public static final byte DESCRIPTOR_MIN_LENGTH = (byte)0x02;
public static final byte DESCRIPTOR_MIN_LENGTH_DEVICE = (byte)0x12;
public static final byte DESCRIPTOR_MIN_LENGTH_CONFIGURATION = (byte)0x09;
public static final byte DESCRIPTOR_MIN_LENGTH_INTERFACE = (byte)0x09;
public static final byte DESCRIPTOR_MIN_LENGTH_ENDPOINT = (byte)0x07;
public static final byte DESCRIPTOR_MIN_LENGTH_STRING = (byte)0x02;
}