windows下串口编程，从磁盘读取一特定格式的TXT文件，提取出其中的数据，通过串口发送，并接收返回数据。多进程实现。MFC-a c++ program of uart,the program read a .txt file from the disk and send the information by the UART port,MFC,multi process

读取串口数据，并写入TXT文件.VB程序编写.-Read the serial data, and write TXT file

本程序能够快速、准确的读取串口数据，实现数据按需要进行换行，并将读取的数据以TXT文件形式保存。-The program can quickly and accurately read the serial data for data lines as needed, and TXT file to read the data is stored.