no matter what i do i get this error: (line 17) fopen(server);

Question

Kyriakos 2023-3-15

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https://ww2.mathworks.cn/matlabcentral/answers/1929115-no-matter-what-i-do-i-get-this-error-line-17-fopen-server

回答： Sai Sumanth Korthiwada 2023-3-31

this is the part of my code i get the error

% Set up TCP/IP server for receiving data

server = tcpip('0.0.0.0', 12345, 'NetworkRole', 'server');

server.InputBufferSize = N;

server.Timeout = 30;

fopen(server);

% Wait for client connection

disp('Waiting for client connection...');

while server.BytesAvailable == 0

pause(0.1);

end

disp('Client connected.');

% Set up TCP/IP client for sending data

client = tcpip('localhost', 12345, 'NetworkRole', 'client');

client.OutputBufferSize = N;

fopen(client);

% Transmit and receive data between client and server

T_near_edge = transmit_and_receive_data(T_sensor, client, server, N);

% Close TCP/IP server and client

fclose(server);

fclose(client);

delete(server);

delete(client);

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HimeshNayak 2023-3-16

“fopen” tells it to wait until a connection is requested. After the “fopen” there will be a connection unless the attempt fails.

Could you share the exact error you are receiving?

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Answer 1

Sai Sumanth Korthiwada 2023-3-31

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1929115-no-matter-what-i-do-i-get-this-error-line-17-fopen-server#answer_1205404

Hi Kyriakos,

I understand that you are facing an issue with 'fopen()'. As per the shared code, you are using 'tcpip()' and 'fopen()' methods.

Use 'tcpclient()' to create a TCP/IP client that connects to a server or hardware and perform read and write operations.

'tcpip()' will be removed in a future release. Please use tcpclient or tcpserver instead. For more information on updating your code, see Compatibility Considerations.

And create 'tcpip' client using: Create TCP/IP Client and Configure Settings

Also, 'fopen(obj)' function will be removed in a future release. Use serialport object functions instead. For more information on updating your code, see Compatibility Considerations.

Hope this helps!

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no matter what i do i get this error: (line 17) fopen(server);

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no matter what i do i get this error: (line 17) fopen(server);

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