Virtual serial port

Do not confuse the virtual serial port with the serial debugging assistant. One is virtual out of the serial port, one is a software, used to send and receive data to the serial port.

Sometimes, they do not have a single-chip microcomputer device, such as, to test our program is effective, how to do? At this time can use virtual serial port VSPD plus serial Debugging small Helper.
Virtual serial port, is the virtual several COM ports, is generally virtual out of the pair.
Why is it right?
Because, we want to debug serial port program, we send data from COM3, COM4 will receive. You will receive the data COM3 from COM4.

Equivalent to establishing a connection for easy commissioning.
If you do not have a lower machine, to test the program, you can virtual.
For example, according to the virtual serial port COM3 and Com4,labview in the serial port selection COM3, and then their own serial debugging assistant selection
Select COM4, and then the program will be able to send and receive strings with the serial debugging assistant.

Note: Delete the virtual serial port, be sure to delete it in the program. There is a "delete port" under the Add port

Virtual serial port