lialong1st 发表于 2018-8-29 14:54:34

Firefly-RK3288 主板上不能识别USB设备

Firefly-RK3288 主板上不能识别USB设备


插上usb设备，有时是这种打印
[ 208.492045] usb 3-1.3: new full-speed USB device number 7 using usb20_host
[ 208.571251] usb 3-1.3: device descriptor read/64, error -32
[ 208.758662] usb 3-1.3: device descriptor read/64, error -32
[ 208.945433] usb 3-1.3: new full-speed USB device number 8 using usb20_host
[ 209.024159] usb 3-1.3: device descriptor read/64, error -32
[ 209.211003] usb 3-1.3: device descriptor read/64, error -32
[ 209.398208] usb 3-1.3: new full-speed USB device number 9 using usb20_host
[ 209.810731] usb 3-1.3: device not accepting address 9, error -32
[ 209.890155] usb 3-1.3: new full-speed USB device number 10 using usb20_host
[ 210.302863] usb 3-1.3: device not accepting address 10, error -32
[ 210.303805] hub 3-1:1.0: unable to enumerate USB device on port 3

有时是这种打印
usb 3-1.4: new full-speed USB device number 10 using usb20_host
usb 3-1.4: device descriptor read/64, error -32
usb 3-1.4: New USB device found, idVendor=0400, idProduct=c35a
usb 3-1.4: New USB device strings: Mfr=0, Product=0, SerialNumber=0

jpchen 发表于 2018-9-4 09:40:40

可以外接一个hub供电试试，看是不是供电不足导致

lialong1st 发表于 2018-9-5 13:41:45

jpchen 发表于 2018-9-4 09:40
可以外接一个hub供电试试，看是不是供电不足导致

我试试

lialong1st 发表于 2018-9-5 14:32:26

jpchen 发表于 2018-9-4 09:40
可以外接一个hub供电试试，看是不是供电不足导致

是USB供电不足，已解决，谢谢
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