带回显功能的串口开发示例，串口控制功能齐全，支持IOCP-Back to the significant function of the serial development example, serial control, full-featured support for IOCP

精美的云台控制程序，带Flash加载窗口、支持多线程串口通讯、IOCP、同步异步通信。-Fine PTZ control procedures with the Flash to load the window to support multi-threaded serial communication, the IOCP, synchronous to asynchronous communication.