USB2.0集线器低速/全速描述符示例
2023-04-11
546
0
bLength |
12H |
bDescriptorType |
1 |
bcdUSB |
0200H |
bDeviceClass |
HUB_CLASSCODE (09H) |
bDeviceSubClass |
0 |
bDeviceProtocol |
0 |
bMaxPacketSize0 |
64 |
bNumConfigurations |
1 |
bLength |
09H |
bDescriptorType |
2 |
wTotalLength |
N |
bNumInterfaces |
1 |
bConfigurationValue |
X |
iConfiguration |
Y |
bmAttributes |
Z |
bMaxPower |
工作在低速/全速下的最大功率 |
bLength |
09H |
bDescriptorType |
4 |
bInterfaceNumber |
0 |
bAlternateSetting |
0 |
bNumEndpoints |
1 |
bInterfaceClass |
HUB_CLASSCODE (09H) |
bInterfaceSubClass |
0 |
bInterfaceProtocol |
0 |
iInterface |
i |
USB2.0集线器低速/全速端点描述符
bLength |
07H |
bDescriptorType |
5 |
bEndpointAddress |
端点地址,BIT7为1表示输入端点 |
bmAttributes |
中断传输(00000011B)” |
wMaxPacketSize |
Implementation-dependent |
bInterval |
“FFH (Maximum allowable interval)” |
随手分享,手有余香
HID人机交互QQ群:564808376
UAC音频QQ群:218581009
UVC相机QQ群:331552032
BOT&UASP大容量存储QQ群:258159197
STC-USB单片机QQ群:315457461
USB技术交流QQ群2:580684376
USB技术交流QQ群:952873936