该程序是基于周立功的magic arm箱上的，可以通过串口发送接收数据，采用查询方式，当然也可以用在其他lpc21xx上，另外，有个问题，就是用pc机串口工具发数据太快，会丢掉的。-The program is based on the week s magic arm Ligong me on, you can receive data sent through the serial port, using query mode, of course, can also be used in