Virtual serial port tool _ com0com

Because this year, all of them are in 2012, and few people are using serial port (Serial Port/serial port), so we may not be able to remember serial port, but we should know what the COM port is? It was the DB9 plug that was previously available on the back of the computer, but new computers have not been found in recent years.
Although serial port has been removed from the front of everyone, it still exists in many places, but it is mostly in virtual form (Virtual COM port, for example, most of the 3G modem NICs that everyone should know now rely on a virtual COM port to access the Internet using a PPP dial-up... I doubt whether these ancient cultural relics have disappeared for a day.

Com0com is a virtual serial port driver in Windows kernel mode.Program. You can create a virtual serial port pair to connect two COM ports. It is an open source project with the address of http://sourceforge.net/projects/com0com/

Usage:

1. There is a graphical interface for direct connection operations.

Or 2. command line:

After installation, the Start menu will contain com0com/setup Command Prompt

You can start a command line:

Enter help for help

For example, to connect com3 and com4

You can enter the following command:

Install portname = com3 portname = com4

In this way, the data sent by serial port 3 will be received by serial port 4. The opposite is true.

You can debug a serial program on a computer without an actual serial port. If you want to virtualize a data source on a serial port, You can debug your serial port program.

Next we will also introduce the serial port debugging tool accessport, Which is powerful and free of charge. It was launched from 2002 in 1.00 to the present, and I have to admire the author's insistence that the latest version is 1.37. Http://www.sudt.com/cn/ap/index.html