本程序基于UCOS2.52，在LPC2200下移植。功能是定时向电脑发送数据，现时实时检测一个按键是否被按下，如果被按下则蜂鸣器响一声!- The program is based on UCOS2.52, transplanted in the LPC2200. Function is to send data to the computer through the serial port timely, and the buzzer sounds if a button press