The scheme regulates the commiinicat ion protocol.all the software designs are laid out based on the protocol,which includes frame head ,frame length,data block,check sum and frame trail.

• 方案规定了通信协议,所有的软件设计都是围绕着这套协议展开的,这个协议包括帧头,帧长,数据块,校验和,帧尾五部分。