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串口程序实现Ymodem协议，也可以使用TCPIP实现Ymodem协议。 串口和网络程序都可以当一个助手使用。(Serial procedures to achieve Ymodem protocol, you can also use TCPIP achieve Ymodem protocol. Serial and network programs can use when an assistant.)

Windows串口编程例子(The example of uart in Windows)

多线程串口类及其使用方法，包含完整的CSerialPort类及其使用方法。(A communication class for serial port)

这个是非常流行的串口调试工具的VC++源代码，对于需要深入了解串口通信的朋友非常有帮助，需要的朋友可以看看。(This is a very popular tool for serial debug VC++ source code, the need for deeper understanding of serial communication very helpful friend, a friend in need can take a look at.)

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)

串口通信，采用CRC16 算法，用mscomm控件实现对chp500电源的信息采集，可以设置电源的电压和频率，word文件的是通讯协议，上位机发送和下位机返回，串口通讯看懂了通讯协议就没什么问题的啦。(Serial communication using the CRC16 algorithm, mscomm realize chp500 power control information collection, you can set the voltage and frequency, word document is the communication protocol, host computer to send and return lower machine, serial communication protocol is very important to you)

该源码为平时所用的串口调试工具的源码，效果还是挺不错的(The source is usually used for serial debugging tools, source code, the effect is very good)

VC串口通信modbus协议源代码,测试可用。(modbus通信协议)(VC serial communication protocol source code modbus)

C++串口通信代码，接收下位机的数据点，并在前面板画出图形。（数据格式* , , /）内附STM32串口发送数据程序(C++ serial communication code, receive under the data points, and the front panel to draw graphics. (Data format,*, /) containing STM32 serial transmit data program)

vb 串口上位机 很简单的一个版本，大家自己扩展功能吧 (com executed on pc,it s a simple version ,easy for expansion)