一个在2440上测试通过的USB摄像头测试程序，直接交叉编译生成可执行文件就可以用了。-In 2440 a test on through the USB cameras test procedures, direct cross-compiling generation executable file can use it.

在ADS环境下开发的基于2440平台的USB Host程序，可以读写U盘，能够枚举USB Keyboard ，Usb Mouse，Usb Camera,Usb to serious等设备，是学习USB Host的绝佳资料-ADS development environment based on the 2440 platform USB Host program can read U disk, able to enumerate USB Keyboard, Usb Mouse, Usb Cam

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