WINDDK7600wdf for usb源代码，endpoint0x1写16个字节，0x81读16个字节。exe是应用层代码，sys是驱动层代码。wdf最终需要环境有关的wdfcoinstall动态库。-WINDDK7600wdf for usb source code, endpoint0x1 write 16 bytes read 16 bytes, 0x81. exe application layer code, sys driver layer code. The wdf eventually need to the environment wdfcoinstall dynamic library.