iv Contents
6.2.2.3 Long items.............................................................................
27
6.2.2.4
Main Items ............................................................................
28
6.2.2.5 Input, Output, and Feature Items...........................................
29
6.2.2.6 Collection, End Collection Items .......................................... 33
6.2.2.7 Global Items..........................................................................
35
6.2.2.8 Local Items............................................................................
39
6.2.2.9 Padding.................................................................................. 42
6.2.3 Physical Descriptors......................................................................
43
7.
Requests .....................................................................................................
48
7.1
Standard Requests................................................................................. 48
7.1.1 Get_Descriptor Request ................................................................ 49
7.1.2 Set_Descriptor Request.................................................................
50
7.2
Class-Specific Requests ........................................................................
50
7.2.1 Get_Report Request ...................................................................... 51
7.2.2 Set_Report Request....................................................................... 52
7.2.3 Get_Idle Request...........................................................................
52
7.2.4 Set_Idle Request ...........................................................................
52
7.2.5 Get_Protocol Request ...................................................................
54
7.2.6 Set_Protocol Request ....................................................................
54
8. Report Protocol .......................................................................................... 55
8.1
Report Types.........................................................................................
55
8.2 Report Format for Standard Items.........................................................
55
8.3 Report Format for Array Items..............................................................
56
8.4
Report Constraints ................................................................................ 57
8.5
Report Example.....................................................................................
57
Appendix A: Usage Tags ......................................................................................
59
Appendix B: Boot Interface Descriptors..............................................................
59
B.1 Protocol 1 (Keyboard)...............................................................................
59
B.2 Protocol 2 (Mouse) ................................................................................... 61
Appendix C: Keyboard Implementation ...............................................................
62
Appendix D: Example Report Descriptors ...........................................................
64
D.1 Example Joystick Descriptor .................................................................... 64
Appendix E: Example USB Descriptors for HID Class Devices..........................
66
E.1 Device Descriptor......................................................................................
66
E.2 Configuration Descriptor .......................................................................... 67
E.3 Interface Descriptor (Keyboard) ............................................................... 67
E.4 HID Descriptor (Keyboard).......................................................................
68
E.5 Endpoint Descriptor (Keyboard)...............................................................
68
E.6 Report Descriptor (Keyboard)...................................................................
69
6/27/00:
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