Communication is the main function, and the third is the automatic network procedures, on the Main Board -- will be later after the sard plate -- into the network.

• 使用时将此程序覆盖掉飞思卡尔所出的smac子程序里的source code即可，主要功能都是通信，而第三个是自动组网程序，主板上电后会将后来上电的sard板加进网络。