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说明：  VC++串口通信20个经典源码合集，经典全集，串口开发必看(VC++ Serial communication source collection of 20 classic, classic Collection, Must See Serial Development)

这个程序是利用VC编写的一个从机串口响应modbus查询命令程序，实现RTU方式，3.5和1.5个字符时间检测，CRC和LRC校验。(This program is written using VC as a response from the machine serial modbus query command procedure, to achieve RTU mode, 3.5 and 1.5 characters time detection, CRC and LRC check.)

串口发送接收数据，初学者可以参考参考， - - ~(串口发送接收数据，初学者可以参考参考，-- ~)

说明：  串口编程调试精灵是一种串口编程的调试精灵(Wizard is a serial programming and debugging, the debug serial port programming wizard)

串口控制的资料和源码，里面包含源码和学习资料(A serial port control information and source code)

串口调试，串口设备模拟，支持32/64位系统。(Serial debugging, serial device simulation)

利用面向对象的C++语言的MFC编写的串口通信程序(The use of object-oriented language C++ MFC prepared by the serial communication program)

利用C语言实现RS232串口上下位机通信的设计(Using C language to realize RS232 serial port communication up and down a machine design )

说明：  51单片机串口通讯软件与上位机通讯 含有多个程序(this is a programe to serils community to 51 and pc.)

串口调试，visual basic撰写，可以发送包括word格式，excel格式，text格式等文件(Serial debugging, visual basic writing, including word format can be sent, excel format, text format file)