该源代码主要功能是实现ADC转换器采样值通过串口通信在上位机界面上显示出电压测量值，同时对AD模块通道号自由选择采样和通道循环自动采样电压值。-The main function of the source code ADC converter sampling shows the voltage measurement value through the serial communication interface of the host computer, and the freedom o