一本很好的关于USB的书,全名是圈圈教你玩USBA very good book about the USB (2015-01-04, C++, 22172KB, 下载7次)
圈圈教你玩USB.插图版 teach you to play USB. Illustrated editionCircle teach you to play USB. Illustrated edition (2014-09-11, C++, 15254KB, 下载4次)