implement firmware update by mass storage ，that is fantasitic, you need it , it s true.

USBMem
......\Abstract.txt
......\DiskImg.c
......\Lst
......\...\Memory.map
......\memory.c
......\memory.h
......\Memory.Opt
......\Memory.Uv2
......\Memory_MCB2140 Board.dep
......\Memory_Opt.Bak
......\Memory_Uv2.Bak
......\msc.h
......\mscuser.c
......\mscuser.h
......\Obj
......\...\diskimg.crf
......\...\diskimg.d
......\...\diskimg.o
......\...\Memory.axf
......\...\memory.crf
......\...\memory.d
......\...\Memory.fed
......\...\Memory.hex
......\...\Memory.htm
......\...\Memory.lnp
......\...\memory.o
......\...\Memory.plg
......\...\Memory.sct
......\...\Memory.tra
......\...\mscuser.crf
......\...\mscuser.d
......\...\mscuser.o
......\...\sbl_iap.crf
......\...\sbl_iap.d
......\...\sbl_iap.o
......\...\Startup.o
......\...\usbcore.crf
......\...\usbcore.d
......\...\usbcore.o
......\...\usbdesc.crf
......\...\usbdesc.d
......\...\usbdesc.o
......\...\usbhw.crf
......\...\usbhw.d
......\...\usbhw.o
......\...\usbuser.crf
......\...\usbuser.d
......\...\usbuser.o
......\ReadMe.txt
......\sbl_config.h
......\sbl_iap.c
......\sbl_iap.h
......\Startup.s
......\type.h
......\usb.h
......\usbcfg.h
......\usbcore.c
......\usbcore.h
......\usbdesc.c
......\usbdesc.h
......\usbhw.c
......\usbhw.h
......\usbreg.h
......\usbuser.c
......\usbuser.h

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