详细说明：微软的USB开发包，里面有一些USB开发的参考实例源代码和相关技术文档.文件列表: USBLS120 ........\EULA.TXT ........\inc ........\...\IOPACKET.H ........\inf ........\...\USBLS120.INF ........\PDR ........\...\MAKEFILE ........\...\MYLOCAL.INC ........\...\proto.h ........\...\USBAER.C ........\...\usbctl.asm ........\...\USBDBG.C ........\...\usbdebug.h ........\...\usbinfo.h ........\...\USBIO.C ........\...\usbstor.C ........\...\usbstor.def ........\...\usbstor.h ........\...\usbtype.h ........\sys ........\...\globals.c ........\...\guidls.h ........\...\MAKEFILE ........\...\SOURCES ........\...\usbios.c ........\...\usbls120.c ........\...\usbls120.h ........\...\usbls120.rc ........\...\usblsdbg.c ........\...\usblsdbg.h ........\...\usblspnp.c ........\...\usblsPWR.c ........\usbls120.doc……