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bash> ls –lR /proc/bus/usb/devices
T: Bus=03 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 5 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=04b0 ProdID=0205 Rev= 1.00
S: Manufacturer=NIKON
S: Product=NIKON DSC E5200
S: SerialNumber=2507597
C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 2mA
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= 64 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
T: Bus=01 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 12 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=0bc2 ProdID=0501 Rev= 0.01
S: Manufacturer=Seagate
S: Product=USB Mass Storage
S: SerialNumber=000000062459
C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50
Driver=usb-storage
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
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¿É»ñµÃÏà»úµÄÃèÊö·ûÐÅÏ¢£¬¶ÁÈ¡/proc/bus/usb/001/007¿É»ñµÃÓ²ÅÌÃèÊö·ûÐÅÏ¢¡£µ«¹ÜÀíusbfsÎļþ²¢²»ÊÇÄÇô¼òµ¥µÄ£¬ÒòΪÉ豸ÎļþÃûÔÚÉ豸°Î³öºóÐèÒªÖØÐÂʹÓ᣽â¾ö°ì·¨ÊÇÓÃlibusb¿â£¬Ëü·âװʹÓÃusbfs¡£Ê¹ÓÃlibusb¶ø²»Ö±½Ó²Ù×÷usbfs£¬»¹ÓÐÒ»¸öºÃ´¦£ºÖ»Òª²Ù×÷


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