
Chapter 2. Endpoint Zero Page 2-17
2.3.5 Set Descriptor
Table 2-15. Set Descriptor-Device
Byte Field Value Meaning Firmware Response
0 bmRequestType
0x00
OUT, Device
Read device descriptor data over
1 bRequest
0x07
“Set_Descriptor”
EP0BUF.
2 wValueL 0x00
3wValueH 0x01 Descriptor Type: Device
4 wIndexL 0x00
5 wIndexH 0x00
6 wLengthL LenL
7 wLengthH
LenH
Table 2-16. Set Descriptor-Configuration
Byte Field Value Meaning Firmware Response
0 bmRequestType
0x00
OUT, Device
Read configuration descriptor
1 bRequest
0x07
“Set_Descriptor”
data over EP0BUF.
2 wValueL 0x00
3wValueH
0x02
Descriptor Type: Configuration
4 wIndexL 0x00
5 wIndexH 0x00
6 wLengthL
LenL
7 wLengthH LenH
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