This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

AM5728: am5728usb无线网卡

Part Number: AM5728


硬件:bbbx15

我希望在bbbx15上使用usb无线网卡,网卡的芯片为RT3070;

bbbx15系统启动后我将usb网卡插入,系统可以识别到该网卡设备,可以正常工作;

Bus 001 Device 007: ID 148f:3070 Ralink Technology, Corp. RT2870/RT3070 Wireless Adapter

但是当我插着usb无线网卡对板子进行复位重启的时候系统可以启动,但是系统识别不到该usb无线网卡;下面是重启的时候串口打印的信息

usb 1-1.3: device descriptor read/64, error -110
[ 59.305087] usb 1-1.3: device descriptor read/8, error -110
[ 64.935960] usb 1-1.3: device descriptor read/8, error -110
[ 70.566966] usb 1-1.3: device descriptor read/8, error -110
[ 76.198639] usb 1-1.3: device descriptor read/8, error -110
[ 76.310641] usb 1-1-port3: unable to enumerate USB device

我很疑惑这是为什么,系统启动后可以随意热插拔,而插着他启动连设备都识别不出来.

所以我现在每次都需要先启动系统,然后再插入usb无线网卡,才能成功使用它.