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调试记录

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USB常用命令

  • 查看u盘工作模式

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    cat /sys/kernel/debug/usb/devices | grep Manufacturer=Kingston -B4 -A7 
    输出如下：
    T:  Bus=01 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#=  5 Spd=480  MxCh= 0
    D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
    P:  Vendor=3535 ProdID=6387 Rev= 1.00
    S:  Manufacturer=aigo
    S:  Product=U212
    S:  SerialNumber=428A75BB
    C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA
    I:* If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
    E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms

  • 查看插入的usb设备

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    # cat /sys/kernel/debug/usb/devices | grep Manufacturer | grep -vE 'Linux|Љ'
    S:  Manufacturer=Kingston