00h Device Use class information in the Interface Descriptors
01h Interface Audio
02h Both Communications and CDC Control
03h Interface HID (Human Interface Device)
05h Interface Physical
06h Interface Image
07h Interface Printer
08h Interface Mass Storage
09h Device Hub
0Ah Interface CDC-Data
0Bh Interface Smart Card
0Dh Interface Content Security
0Eh Interface Video
0Fh Interface Personal Healthcare
DCh Both Diagnostic Device
E0h Interface Wireless Controller
EFh Both Miscellaneous
FEh Interface Application Specific
FFh Both Vendor Specific
{var%20f='http://v.t.sina.com.cn/share/share.php?appkey=1515056452',u=z||d.location,p=['&url=',e(u),'&title=',e(t||d.title),'&source=',e(r),'&sourceUrl=',e(l),'&content=',c||'gb2312','&pic=',e(p||'')].join('');function%20a(){if(!window.open([f,p].join(''),'mb',['toolbar=0,status=0,resizable=1,width=440,height=430,left=',(s.width-440)/2,',top=',(s.height-430)/2].join('')))u.href=[f,p].join('');};if(/Firefox/.test(navigator.userAgent))setTimeout(a,0);else%20a();})(screen,document,encodeURIComponent,'','','https://www.xiaopingtou.cn/data/attach/logo/logo.png', '推荐 yewenchao 的问题《求助：电脑怎么知道插入USB的是什么外设？》','https://www.xiaopingtou.net/q-93367.html','页面编码gb2312|utf-8默认gb2312'));){kind=link}
是通过USB Class来区分的
Base Class Descriptor
00h Device Use class information in the Interface Descriptors
01h Interface Audio
02h Both Communications and CDC Control
03h Interface HID (Human Interface Device)
05h Interface Physical
06h Interface Image
07h Interface Printer
08h Interface Mass Storage
09h Device Hub
0Ah Interface CDC-Data
0Bh Interface Smart Card
0Dh Interface Content Security
0Eh Interface Video
0Fh Interface Personal Healthcare
DCh Both Diagnostic Device
E0h Interface Wireless Controller
EFh Both Miscellaneous
FEh Interface Application Specific
FFh Both Vendor Specific
为什么要有这么多class呢？楼主思考下？
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