USB无驱(HID)是非常重要的知识，该代码主要利用HID对文件进行读写的操作。-Hassel USB (HID) is a very important knowledge, the main advantage of HID code to read and write operations on the file.

usb118ad说明书，内含重要文件，仅供参考。-usb118ad instructions, containing important documents.