详细说明：一个很有用的USB开发的简单例子，固件，驱动，应用程序都有.文件列表: usb简单实例 ...........\firm ...........\....\.Opt ...........\....\CHAP_9.C ...........\....\CHAP_9.H ...........\....\CHAP_9.LST ...........\....\CHAP_9.OBJ ...........\....\D12CI.c ...........\....\D12CI.H ...........\....\D12CI.LST ...........\....\D12CI.OBJ ...........\....\EPPHAL.C ...........\....\EPPHAL.H ...........\....\EPPHAL.LST ...........\....\EPPHAL.OBJ ...........\....\firm ...........\....\firm.hex ...........\....\firm.M51 ...........\....\firm.Opt ...........\....\firm.plg ...........\....\firm.Uv2 ...........\....\firm_Opt.Bak ...........\....\firm_Uv2.Bak ...........\....\Hex_Bin.exe ...........\....\ISP.LST ...........\....\ISP.OBJ ...........\....\ISR.C ...........\....\ISR.LST ...........\....\ISR.OBJ ...........\....\JRT.BIN ...........\....\MAINLOOP.C ...........\....\MAINLOOP.H ...........\....\MAINLOOP.LST ...........\....\MAINLOOP.OBJ ...........\....\STARTUP.A51 ...........\....\STARTUP.LST ...........\....\STARTUP.OBJ ...........\....\USB100.H ...........\test ...........\....\exe ...........\....\...\makefile ...........\....\...\OpenByIntf.cpp ...........\....\...\sources ...........\....\...\Test_test.cpp ...........\....\...\Test_test.dsp ...........\....\readme.txt ...........\....\sys ...........\....\...\buildchk.err ...........\....\...\buildchk.log ...........\....\...\buildfre.log ...........\....\...\function.h ...........\....\...\makefile ...........\....\...\obj ...........\....\...\...\_objects.mac ...........\....\...\objchk ...........\....\...\......\i386 ...........\....\...\......\....\test.bsc ...........\....\...\......\....\test.obj ...........\....\...\......\....\test.res ...........\....\...\objfre ...........\....\...\......\i386 ...........\....\...\......\....\test.bsc ...........\....\...\......\....\test.idb ...........\....\...\......\....\test.map ...........\....\...\......\....\test.obj ...........\....\...\......\....\test.pch ...........\....\...\......\....\test.pdb ...........\....\...\......\....\test.res ...........\....\...\......\....\test.sys ...........\....\...\......\....\testdevice.obj ...........\....\...\......\....\testdevice.sbr ...........\....\...\sources ...........\....\...\Test.cpp ...........\....\...\test.dsp ...........\....\...\Test.h ...........\....\...\Test.inf ...........\....\...\test.plg ...........\....\...\Test.rc ...........\....\...\test.sys ...........\....\...\TestDevice.cpp ...........\....\...\TestDevice.h ... ...……