Click “Add Pair” button to create two virtual serial ports.Navigate into your Start menu to com0com and open Setup.If you are a Vista user, disable UAC (more info here: ). Download and install the latest version of com0com from Sourceforge:.You can develop your graphical user interface on one side, and a model of the device on the other side. It is then possible to run two programs, connected to the two virtual serial ports, that communicate with each other. In order to start developing while you wait for the real device (or an evaluation board) you can use virtual serial ports.Ĭom0com is a nice Windows tool to create virtual serial ports and to connect them together, simulating a cable link. Serial ports are not very useful for the end-user, but they are very important for administration of headless (without monitor) servers and for embedded device development.įor example, if you are designing a chip that contains a micro-processor with a serial port (UART) to communicate with an external control (such as a graphical tool running on a PC) chances are that you won’t immediately have a real device attached to the real serial port of the PC.
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