C++ Buider下控制USB设备的例程。目标板为C8051F开发板，可通过此程序控制目标版上的LED，读取开发板上的数据。-C Buider USB devices under the control of programming. C8051F target board for the development board, through this process control objectives version of the LED, the development board to

介绍和LED控制板的对接代码，和LED 的对接开发重点在控制板的区别(The connection code of LED control board is introduced)