使用RXTX技术，pc端接收上位机发送来的二进制数据，进行读取，按照协议进行解析，并进行显示、存储，导出为excel文件。-Use RXTX technology, pc terminal receiving PC to send binary data, read, according to the protocol analysis, and display, storage, export to excel file.

上位机将sd卡的数据发送到pc串口，pc端进行解析、并实时显示，将数据保存为txt文件。-PC to send data to the sd card serial pc, pc end for analysis, and real-time display, save the data as a txt file.