How do I run my External Mode simulation from the command line or a MATLAB script?

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MathWorks Support Team 2012-9-14

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https://ww2.mathworks.cn/matlabcentral/answers/91497-how-do-i-run-my-external-mode-simulation-from-the-command-line-or-a-matlab-script

编辑： MathWorks Support Team 2023-5-4

I would like to run my External Mode simulation from the command line or a MATLAB script. My aim is to monitor and parameterize an application running on targets such as Simulink Desktop Real-Time, Simulink Real-Time, or other hardware that has External Mode support enabled, without the need to press the "Run on Target" or "Monitor & Tune" button in Simulink Toolstrip.

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Answer 1

MathWorks Support Team 2023-5-4

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https://ww2.mathworks.cn/matlabcentral/answers/91497-how-do-i-run-my-external-mode-simulation-from-the-command-line-or-a-matlab-script#answer_100848

编辑：MathWorks Support Team 2023-4-14

Run External Mode simulation from the MATLAB Command Window:

To run these commands, you must have a Simulink model open and a target application running.

1. Set the model simulation mode to external mode.

>> set_param(gcs,'SimulationMode','external');

2. Connect Simulink to the target application.

>> set_param(gcs,'SimulationCommand','connect')

This command is equivalent to pressing the "Connect to target" button.

3. Run generated model code.

>> set_param(gcs,'SimulationCommand','start');

4. To tune a parameter, change its workspace variable value through a line command. For example, if a block parameter value is specified as a Simulink.Parameter object, assign the new value to the Value property.

>> myParamObj.Value = 5.23;

To download the new value to the target application, update the model.

>> set_param(gcs,'SimulationCommand','update');

5. Stop the target application and disconnect Simulink from the target environment.

>> set_param(gcs,'SimulationCommand','stop');

6. To disconnect Simulink from the target application without stopping the execution of generated code, use this command:

>> set_param(gcs,'SimulationCommand','disconnect');

.

Run External Mode simulation from a MATLAB script:

The set_param commands that use the 'SimulationCommand' argument are asynchronous. If you run the commands successively from a script, each command starts without waiting for the previous command to complete. To check that each command is complete, in the script, use the get_param command with the 'SimulationStatus' argument.

For example, for steps 1 to 3, specify these commands in the script:

set_param(gcs,'SimulationMode','external');
set_param(gcs,'SimulationCommand','connect');
isExternalSimulationActive = false;
while ~isExternalSimulationActive
    simStatus = get_param(gcs, 'SimulationStatus');
    isExternalSimulationActive = strcmp(simStatus, 'external');
end
set_param(gcs,'SimulationCommand','start');