Control Real-Time Application by Using Web App

R2026b
Open Live Script

This example shows how to use a web app HTML page as an interface to run a Simulink Real-Time application MLDATX file and collect execution data.

Connect to Target Computer and Build Real-Time Application

To create the real-time application that gets controlled by the web app, use these steps to connect to the target computer, configure the model and build the real-time application.

% create Target object and connect to target computer
tg = slrealtime;
connect(tg);
% open model and configure it for target computer
model = 'slrt_ex_osc';
open_system(model);
% modelSTF = getSTFName(tg);
% set_param(model,"SystemTargetFile",modelSTF);
% build real-time application MLDATX file
evalc('slbuild(model)');
% close model
bdclose(model);

Load and Run Real-Time Application from Web App

Open the web app real-time-app-web-interface.html in your browser. This web app interface to a real-time application makes the following assumptions:

  • The target computer IP address is 192.168.7.5.

  • The target computer user name is slrt.

  • The target computer user password is slrt.

  • The development computer on which this web app is run can connect to the target computer.

  • The real-time application MLDATX file is compatible with the target computer software.

  • This page runs by using VisualStudio code with the live server extension.

Click the Choose File button to select the real-time application MLDATX file.

Click the Run Application button to run the application and collect execution data. The web app polls execution data for one minute.

Stop Real-Time Application and View Execution Data

While the web app is polling or after polling completes, use the Stop button to display the polled execution data from the real-time application.

Close Web App

When done controlling the real-time application and viewing the execution data, close the web app HTML file.