Table 5.2.3-7 Report Descriptor 2
Byte
2
Input
Item
Description
Input item tag (Data, Variable, Absolute)
81h
Value
01h
2
UsagePage
Page usage (Generic Desktop Control)
05h
01h
2
Usage
Item usage (X direction)
09h
30h
2
Usage
Item usage (Y direction)
09h
31h
2
Usage
Item usage (Wheel)
09h
38h
2
LogicalMinimum
Minimum value the item can report (-127)
15h
81h
2
LogicalMaximum
Maximum value the item can report (127)
25h
7Fh
2
ReportSize
Data field size to be reported (8 bit)
75n
08h
2
ReportCount
Number of data fields to be reported (3)
95h
03h
2
Input
Input item tag (Data, Variable, Relative)
81h
06h
1
1
EndCollection
EndCollection
EndCollection
EndCollection
C0h
C0h
Table 5.2.3-8 HID Device Report Data
Byte
1
1
1
1
Item
Button status
X axis travel
Y axis travel
Wheel
Description
Click status of right or left button
Mouse movement in X axis (horizontal)
Mouse movement in Y axis (vertical)
Scroll wheel movement
Value
0 to 3
-127 to 127
-127 to 127
-127 to 127
79
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