OpenCores
URL https://opencores.org/ocsvn/usb_fpga_2_13/usb_fpga_2_13/trunk

Subversion Repositories usb_fpga_2_13

[/] [usb_fpga_2_13/] [trunk/] [libusbJava-src/] [ch/] [ntb/] [usb/] [Usb_Device_Descriptor.java] - Blame information for rev 2

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 2 ZTEX 
/*
2 
 * Java libusb wrapper
3 
 * Copyright (c) 2005-2006 Andreas Schläpfer <spandi at users.sourceforge.net>
4 
 *
5 
 * http://libusbjava.sourceforge.net
6 
 * This library is covered by the LGPL, read LGPL.txt for details.
7 
 */
8 
package ch.ntb.usb;
9 
 
10 
/**
11 
 * Represents the descriptor of a USB device.<br>
12 
 * A USB device can only have one device descriptor. It specifies some basic,
13 
 * yet important information about the device.<br>
14 
 * <br>
15 
 * The length of the device descriptor is
16 
 * {@link ch.ntb.usb.Usb_Descriptor#USB_DT_DEVICE_SIZE} and the type is
17 
 * {@link ch.ntb.usb.Usb_Descriptor#USB_DT_DEVICE}.
18 
 *
19 
 */
20 
public class Usb_Device_Descriptor extends Usb_Descriptor {
21 
        /**
22 
         * Device and/or interface class codes.
23 
         */
24 
        public static final int USB_CLASS_PER_INTERFACE = 0, USB_CLASS_AUDIO = 1,
25 
                        USB_CLASS_COMM = 2, USB_CLASS_HID = 3, USB_CLASS_PRINTER = 7,
26 
                        USB_CLASS_MASS_STORAGE = 8, USB_CLASS_HUB = 9, USB_CLASS_DATA = 10,
27 
                        USB_CLASS_VENDOR_SPEC = 0xff;
28 
 
29 
        private short bcdUSB;
30 
 
31 
        private byte bDeviceClass;
32 
 
33 
        private byte bDeviceSubClass;
34 
 
35 
        private byte bDeviceProtocol;
36 
 
37 
        private byte bMaxPacketSize0;
38 
 
39 
        private short idVendor;
40 
 
41 
        private short idProduct;
42 
 
43 
        private short bcdDevice;
44 
 
45 
        private byte iManufacturer;
46 
 
47 
        private byte iProduct;
48 
 
49 
        private byte iSerialNumber;
50 
 
51 
        private byte bNumConfigurations;
52 
 
53 
        /**
54 
         * Returns the device release number.<br>
55 
         * Assigned by the manufacturer of the device.
56 
         *
57 
         * @return the device release number
58 
         */
59 
        public short getBcdDevice() {
60 
                return bcdDevice;
61 
        }
62 
 
63 
        /**
64 
         * Returns the USB specification number to which the device complies to.<br>
65 
         * This field reports the highest version of USB the device supports. The
66 
         * value is in binary coded decimal with a format of 0xJJMN where JJ is the
67 
         * major version number, M is the minor version number and N is the sub
68 
         * minor version number.<br>
69 
         * Examples: USB 2.0 is reported as 0x0200, USB 1.1 as 0x0110 and USB 1.0 as
70 
         * 0x100
71 
         *
72 
         * @return the USB specification number to which the device complies to
73 
         */
74 
        public short getBcdUSB() {
75 
                return bcdUSB;
76 
        }
77 
 
78 
        /**
79 
         * Returns the class code (Assigned by <a
80 
         * href="http://www.usb.org">www.usb.org</a>)<br>
81 
         * If equal to zero, each interface specifies it's own class code. If equal
82 
         * to 0xFF, the class code is vendor specified. Otherwise the field is a
83 
         * valid class code.
84 
         *
85 
         * @return the class code
86 
         */
87 
        public byte getBDeviceClass() {
88 
                return bDeviceClass;
89 
        }
90 
 
91 
        /**
92 
         * Returns the protocol code (Assigned by <a
93 
         * href="http://www.usb.org">www.usb.org</a>)<br>
94 
         *
95 
         * @return the protocol code
96 
         */
97 
        public byte getBDeviceProtocol() {
98 
                return bDeviceProtocol;
99 
        }
100 
 
101 
        /**
102 
         * Returns the subclass code (Assigned by <a
103 
         * href="http://www.usb.org">www.usb.org</a>)<br>
104 
         *
105 
         * @return the subclass code
106 
         */
107 
        public byte getBDeviceSubClass() {
108 
                return bDeviceSubClass;
109 
        }
110 
 
111 
        /**
112 
         * Returns the maximum packet size for endpoint zero.<br>
113 
         * Valid sizes are 8, 16, 32, 64.
114 
         *
115 
         * @return the maximum packet size for endpoint zero
116 
         */
117 
        public byte getBMaxPacketSize0() {
118 
                return bMaxPacketSize0;
119 
        }
120 
 
121 
        /**
122 
         * Returns the number of possible configurations supported at its current
123 
         * speed.<br>
124 
         *
125 
         * @return the number of possible configurations supported at its current
126 
         *         speed
127 
         */
128 
        public byte getBNumConfigurations() {
129 
                return bNumConfigurations;
130 
        }
131 
 
132 
        /**
133 
         * Returns the product ID (Assigned by <a
134 
         * href="http://www.usb.org">www.usb.org</a>)<br>
135 
         *
136 
         * @return the product ID
137 
         */
138 
        public short getIdProduct() {
139 
                return idProduct;
140 
        }
141 
 
142 
        /**
143 
         * Returns the Vendor ID (Assigned by <a
144 
         * href="http://www.usb.org">www.usb.org</a>)<br>
145 
         *
146 
         * @return the Vendor ID
147 
         */
148 
        public short getIdVendor() {
149 
                return idVendor;
150 
        }
151 
 
152 
        /**
153 
         * Returns the index of the manufacturer string descriptor.<br>
154 
         * If this value is 0, no string descriptor is used.
155 
         *
156 
         * @return the index of the manufacturer string descriptor
157 
         */
158 
        public byte getIManufacturer() {
159 
                return iManufacturer;
160 
        }
161 
 
162 
        /**
163 
         * Returns the index of the product string descriptor.<br>
164 
         * If this value is 0, no string descriptor is used.
165 
         *
166 
         * @return the index of the product string descriptor
167 
         */
168 
        public byte getIProduct() {
169 
                return iProduct;
170 
        }
171 
 
172 
        /**
173 
         * Returns the index of serial number string descriptor.<br>
174 
         * If this value is 0, no string descriptor is used.
175 
         *
176 
         * @return the index of serial number string descriptor
177 
         */
178 
        public byte getISerialNumber() {
179 
                return iSerialNumber;
180 
        }
181 
 
182 
        @Override
183 
        public String toString() {
184 
                StringBuffer sb = new StringBuffer();
185 
                sb.append("Usb_Device_Descriptor idVendor: 0x"
186 
                                + Integer.toHexString(idVendor & 0xFFFF) + ", idProduct: 0x"
187 
                                + Integer.toHexString(idProduct & 0xFFFF));
188 
                return sb.toString();
189 
        }
190 
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.