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4.1.3
Interface Descriptor
Field
Value
Description
Length
09
Des type
04
Interface No.
00
Alternator Setting
00
# EP
02
Interface Class
03
HID
Sub Class
01
Interface Protocol
00
iInterface
00
4.1.4
HID Descriptor
Field
Value
Description
Length
09
Des type
21
HID
bcdHID
00 01
Control Code
00
numDescriptors
01
Number of Class Descriptors to follow
DescriptorType
22
Report Descriptor
Descriptor Length
1C 00
HID ID TECH format
4.1.5
End Point 1 Descriptor
Field
Value
Description
Length
07
Des type
05
End Point
EP Addr
81
EP1 In
Control Code
03
Interrupt
MaxPacketSize
40 00
64 bytes
bInterval
02
4.1.6
End Point 2 Descriptor
Field
Value
Description
Length
07
Des type
05
End Point
EP Addr
02
EP2 Out
Control Code
03
Interrupt
MaxPacketSize
40 00
64 bytes
bInterval
01