linux环境下实现两路串口的使用，并创建进程实现两路串口数据通信-linux environment to achieve the use of two serial ports, and create a process to achieve two-way serial data communication

ADS 环境下ADC采样，并将采样值绘制波形显示到液晶屏上，采样两通道电压值，画两路波形-ADS environment ADC sampling and sample values ​ ​ plotted waveform display to the LCD screen, the sampling two-channel voltage value, draw two waveforms