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Mock serial port communication C#

Posted on 2013-12-12
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Last Modified: 2014-04-22
I have written a c# application designed to receive and send data to and from a COM port. Unfortunately I am awaiting the arrival of the COM device I need to test this application, so what I am looking for is a way to simulate the COM port.

This should allow me to connect to the 'mock' serial port send messages to it and send messages back. I dont want to use a third party application for this if possible - i.e. if I can write a C# application to acheive this that would be ideal as I would need to customise it very heavily.

Whatever the solution is I am sure it will be a new concept for me so a simple solution with a step by step approach would be appreciated!
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Question by:Blowfelt82
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käµfm³d   👽 earned 500 total points
ID: 39715823
Without using a 3rd-party emulator, the closest you can get would be to create a new class that exposes the same properties and methods that the SerialPort class exposes. Once your device arrives, simply swap in the SerialPort class for your mock class.

I think an emulator would be more flexible and easier to set up, but if you want to keep it all in .NET, then I think this would be your only recourse.
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by:Blowfelt82
ID: 39715908
Ok sounds good, do you have a cose sample of how this might be done? Also out of curiosity what third party tool might you recommend?
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