Which Port is being used

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Layla Bitar
Layla Bitar 2022-3-31
回答: Chetan 2023-9-22
Hello,
I am building a Matlab GUI that is reading data sent to the port by an Arduino board. I want to have the GUI to be able to detect which port is being used(com7,com4) so that the user does not have to figure that out each time. Is there something that I can do on Matlab to have it read which port is 'busy'? I can't seem to find anywhere where I can do that. Would appreciate the help!

回答(1 个)

Chetan
Chetan 2023-9-22
Hello @Layla Bitar,
You can utilize the "serialportlist" or "instrhwinfo" functions to accomplish this.
Here is an example pseudo code that demonstrates how to detect and list available serial ports:
% Detect and list available serial ports
ports = serialportlist("available")
% Display the available ports
if isempty(ports)
disp('No serial ports detected.');
else
disp('Available serial ports:');
disp(ports);
end
You can refer to the following MathWorks documentation for more detailed usage of these functions:
I hope these suggestions help you resolve the issue you are facing.

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