SerialPortElf

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.)

利用MSComm控件实现字符型数据发送与接收(MSComm control to achieve the transmission and reception of character data)

串口收发字符型,没有选择COM口参数，固定为COMPROT 3 115200(Serial transceiver character type, no choice of COM port parameters, fixed to COMPROT 3 115200 )

modbusRTU Communications with RS485

VB写的串口通讯软件，简单易学，适合初学者(Written in VB serial communication software, is easy to learn)

串口通讯调试代码，包括端口设置界面和信息收发界面(Serial communication debugging code, including port settings interface and messaging interface)

用VB编写的FX系列PLC通信动态链接库,用户只需调用API函数就可以简单的实现串口通讯(VB prepared by the FX series PLC communication dynamic link library, Users only need to call API functions can be achieved by a simple serial communications)

说明：  Wincc使用MSComm控件串口通讯，VB中发送十六进制数据(Wincc uses MSComm control to communicate through serial port and sends hexadecimal data in VB)

调试使用的串口助手，程序源码，功能齐全，可以调试程序(Serial Port Assistant for Debugging, Program Source Code, Full-featured, Debugging Program)

XWP仪表参数的读取，是帮1个朋友编写的(Instrument parameters XWP read, is to help a friend prepare the)