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

TQ-2440键盘驱动，将按键模拟成标准键盘-TQ-2440 keyboard driver, the buttons simulate a standard keyboard

Linux 按键驱动程序和测试程序 使用的开发板天嵌2440-Linux keyboard drivers and test procedures used in embedded development board day 2440