This is a pc with avr through D12 USB communications simple example, PORTC function is to control the population.

avr与PC的USB通讯(D12)
.....................\原理图
.....................\......\avrusb SCH ECO 2006-5-16 21-28-27.LOG
.....................\......\avrusb.PrjPCB
.....................\......\avrusb.PrjPCBStructure
.....................\......\avrusb.SCH
.....................\......\avrusb.SchDoc
.....................\......\Backup
.....................\固件程序
.....................\........\Makefile
.....................\........\usb.c
.....................\........\usb.eep
.....................\........\usb.elf
.....................\........\usb.h
.....................\........\usb.hex
.....................\........\usb.lss
.....................\........\usb.lst
.....................\........\usb.map
.....................\........\usb.o
.....................\........\usb.pnproj
.....................\........\usb.ppg
.....................\........\usb.sym
.....................\........\usb_elf.aps
.....................\........\读写参考程序.txt
.....................\应用程序
.....................\........\Debug
.....................\........\OpenByIntf.cpp
.....................\........\ReadMe.txt
.....................\........\Release
.....................\........\res

.....................\........\...\testpro.rc2
.....................\........\resource.h
.....................\........\StdAfx.cpp
.....................\........\StdAfx.h
.....................\........\testdevice.cpp
.....................\........\testdevice.h
.....................\........\TestDeviceInterface.h
.....................\........\testioctl.h
.....................\........\testpro.aps
.....................\........\testpro.clw
.....................\........\testpro.cpp
.....................\........\testpro.dsp
.....................\........\testpro.dsw
.....................\........\testpro.h
.....................\........\testpro.ncb
.....................\........\testpro.opt
.....................\........\testpro.plg
.....................\........\testpro.rc
.....................\........\testpro.suo
.....................\........\testproDlg.cpp
.....................\........\testproDlg.h
.....................\读我先.txt
.....................\驱动程序
.....................\........\dirs
.....................\........\exe
.....................\........\...\makefile
.....................\........\...\OpenByIntf.cpp
.....................\........\...\sources
.....................\........\...\Test_test1.cpp
.....................\........\...\Test_test1.dsp
.....................\........\readme.txt
.....................\........\sys
.....................\........\...\function.h
.....................\........\...\makefile
.....................\........\...\objchk
.....................\........\...\......\i386
.....................\........\...\......\....\test1.idb
.....................\........\...\......\....\test1.map
.....................\........\...\......\....\Test1.obj
.....................\........\...\......\....\test1.pdb
.....................\........\...\......\....\Test1.res
.....................\........\...\......\....\Test1.sbr
.....................\........\...\......\....\test1.sys
.....................\........\...\......\....\Test1Device.obj
.....................\........\...\......\....\Test1Device.sbr
.....................\........\...\objfre
.....................\........\...\......\i386
.....................\........\...\......\....\test1.idb
.....................\........\...\......\....\test1.map
.....................\........\...\......\....\Test1.obj
.....................\........\...\......\....\test1.pdb
.....................\........\...\......\....\Test1.res
.....................\........\...\......\....\Test1.sbr
.....................\........\...\......\....\test1.sys
.....................\........\...\......\....\Test1Device.obj
.....................\........\...\......\....\Test1Device.sbr
.....................\........\...\sources
.....................\........\...\Test1.cpp
.....................\........\...\test1.dsp
.....................\........\...\Test1.h
.....................\........\...\Test1.inf
.

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