TI LM4F232 Usb Example code ,实现按键打字的功能，把按键的信息通过USB接口传送给上位机；在PC机上显示一串字符-TI LM4F232 Usb Example code, to achieve key typing function, the key message sent through the USB interface to the host computer string of characters displayed on the PC

利用超级终端做显示，实现打字游戏，串口应用，超级终端应用-Use HyperTerminal do show that to achieve typing games, serial applications HyperTerminal application