通过串口接收二维转台返回的码盘值，在界面上实时绘制码盘值曲线，同时还可将指令传给二维转台控制器，对二维转台进行实时控制，观察控制结果，原创。-Through the serial port to receive the return of two-dimensional turntable encoder value, in the interface of real-time rendering code set value curv