Report Count: 6
Report Size: 8
Usage Page: 7 (Keyboard)
Usages (0-101): No Event, Keyboard ErrorRollOver, Keyboard POSTfail, Keyboard Error Undefined, A,
B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z,
1 and ! (One and Exclamation), 2 and @ (2 and at), 3 and # (3 and Hash), 4 and $ (4 and Dollar Sign),
5 and % (5 and Percent Sign), 6 and ^ (6 and circumflex), 7 and & (Seven and Ampersand),
8 and * (Eight and asterisk), 9 and ( (Nine and Parenthesis Left), 0 and ) (Zero and Parenthesis Right),
Return (Enter), Escape, Delete (Backspace), Tab, Space Bar, - and _ (Minus and underscore),
= and + (Equal and Plus), [ and (Bracket and Braces Left), ] and (Bracket and Braces Right),
\ and | (Backslash and Bar), # and ~ (Hash and Tilde, Non-US Keyboard near right shift),
; and : (Semicolon and Colon), ґ and " (Accent Acute and Double Quotes),
` and ~ (Accent Grace and Tilde), , and < (Comma and Less), . and > (Period and Greater),
/ and ? (Slash and Question Mark), Caps Lock, F1, F2, F3, F4, F5, F6, F7, F8,
F9, F10, F11, F12, Print Screen, Scroll Lock, Pause, Insert, Home, Page Up,
Delete Forward (without Changing Position), End, Page Down, Right Arrow, Left Arrow,
Down Arrow, Up Arrow, Num Lock and Clear, Keypad / (Division Sign), Keypad * (Multiplication Sign),
Keypad - (Subtraction Sign), Keypad + (Addition Sign), Keypad Enter, Keypad 1 and END,
Keypad 2 and Down Arrow, Keypad 3 and Page Down, Keypad 4 and Left Arrow, Keypad 5 (Tactilei Raised),
Unknown, Keypad 6 and Right Arrow, Keypad 7 and Home, Keypad 8 and Up Arrow,
Keypad 8 and Page Up, Keypad . (decimal delimiter) and Delete, \ and | (Backslash and Bar, UK and Non-US Keyboard near left shift),
Keyboard Application (Windows Key for Win95 or Compose)
Logical Minimum: 0
Logical Maximum: 101
Input: 0 (Data,Array,Absolute,No Wrap,Linear,Preferred State,No Null Position)
大概看了下，TI原示例应该是个复合HID设备（复合鼠标和键盘），你做的是鼠标，那最好不用复合设备，把键盘去掉，不防试试作者: gason 时间: 2015-3-26 19:30
不过同样是复合的鼠标和键盘的另一家厂做的HID，却不会出现卡的问题。
它的描述符合为：
This device is part of a composite device.
Connection Information
Port: 1
Speed: Low Speed
Device address: 6
Open pipes: 2
Connection status: Device connected
Device Descriptor
USB version: 1.10
Device class: 0x0 - (Defined at Interface level)
Device subclass: 0x0 - Unknown
Device protocol: 0x0 - Unknown
Control pipe max size: 8 bytes
Vendor ID: 0x258a (Unknown)
Product ID: 0x1002 (Unknown)
Product version: 42.17
Manufacturer: SINO WEALTH
Product: USB Composite Device
Serial Number: Not specified
Configurations: 1
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This device is part of a composite device.
Configuration Descriptor
Number of interfaces: 2
Configuration value: 0x1
Attributes: Remote wakeup, Bus powered
Max power: 100 mA
