基于S3C44B0的USB测试试验程序源代码，在SDT集成开发环境开发的，修改自Samsung提供的源代码，分开后更便于学习.
PC机部分的软件
1) LEDDEMO -- 控制 SW44B0板上三个LED的程序
2) D12_DRIVER_FOR_WIN98 -- USB芯片WIN98的驱动程序
FS44B0X板的USB固件程序--源代码
USB_DEMO
使用方法：
1）在SDT2.51里调入usb_demo.axf, 运行。
2）接上usb电缆，安装win98的d12驱动程序
3) 运行 LEDDEMO ，用鼠标点击led1, led2, led3,可以看到FS44B0X板上三个LED亮灭。
文件列表:
usb实验
.......\D12驱动
.......\.......\win2k_xp
.......\.......\........\D12test.inf
.......\.......\........\D12TEST.sys
.......\.......\win98
.......\.......\.....\D12test.inf
.......\.......\.....\D12TEST.SYS
.......\LEDDEMO.EXE
.......\README.TXT
.......\usb_demo
.......\........\console.c
.......\........\ctrl_set.c
.......\........\D12_op
.......\........\......\D12Def.H
.......\........\......\D12Int.c
.......\........\......\D12OP.C
.......\........\......\usbdesc.h
.......\........\inc
.......\........\...\39vf160.h
.......\........\...\44B0X.H
.......\........\...\console.h
.......\........\...\ctrl_set.h
.......\........\...\DataType.h
.......\........\...\irqlib.h
.......\........\...\irqsrc.h
.......\........\...\MemCfg.s
.......\........\...\Option.s
.......\........\SysInit.s
.......\........\usbdemo.c
.......\........\usb_demo.mcp
.......\........\usb_demo_Data
.......\........\.............\CWSettingsWindows.stg
.......\........\.............\DebugRel
.......\........\.............\........\ObjectCode
.......\........\.............\........\..........\console.o
.......\........\.............\........\..........\ctrl_set.o
.......\........\.............\........\..........\D12Int.o
.......\........\.............\........\..........\D12op.o
.......\........\.............\........\..........\SysInit.o
.......\........\.............\........\..........\usbdemo.o
.......\........\.............\........\..........\vector.o
.......\........\.............\........\TargetDataWindows.tdt
.......\........\.............\........\usb_demo.axf
.......\........\.............\........\usb_demo.bin
.......\........\vector.s
.......\usb_demo.axf
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