用C写的一个关于Pelco云台控制的通讯协议。-Written using C on a Pelco PTZ control protocol.

PIC单片机的通讯功能，大家可以来看看，-PIC MCU communication functions, we can look at it, thank you

unicom这个的protel的电气图，上位机与单片机的通讯电路图，很难得，大家可以参考下-unicom the electrical diagram of protel, PC and single-chip communication circuit, so hard, we can refer to the next! ! !