USB2.0集线器低速/全速描述符示例
2023-04-11
本文链接为:http://www.usbzh.com/article/detail-1150.html ,欢迎转载,转载请附上本文链接。
| 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)” |
本文链接为:http://www.usbzh.com/article/detail-1150.html ,欢迎转载,转载请附上本文链接。
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