Hi Elif.
It is my understanding that you wish to write a basic client server program in MATLAB R2023a which sends and receives any number (assumed 1 byte, i.e numbers – [0-255]) over UDP connection.
Here’s a minimalistic code with explanation for your reference –
- Instantiate server.
%Create "echo server" to communicate with at port 4040.
echoudp("on",4040)
- Instantiate client.
%Sets up a UDP port at 3030 client end with transmission unit set as "byte".
u = udpport("byte","LocalPort",3030)
- Configure callbacks for client
%UserData to count callbacks
u.UserData = 0;
%callback function fires when the client buffer has data of at least 1 byte
configureCallback(u,"byte",1,@readUDPData)
- Write data to server from client to server at its socket address
write(u,5,"LocalHost",4040)
- Defining the callback function:
function readUDPData(src,~)
src.UserData = src.UserData + 1;
disp("Callback Call Count: " + num2str(src.UserData))
data = read(src,src.BytesAvailableFcnCount,"uint8")
end
Explore the following documentations to modify it as per your specific requirements-
“udpport” function -
Use callbacks for UDP communication-
Regards,
Vinayak Luha
