iv Contents
6/27/00:
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
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