MATLAB and Simulink Robotics Arena: ROS Control App
This entry contains the MATLAB app installer for the "MATLAB Apps with ROS" episode of the MATLAB and Simulink Robotics arena.
This example shows how App Designer and Robotics System Toolbox allow you to develop interactive MATLAB apps that communicate using the Robot Operating System (ROS).
Cite As
MathWorks Student Competitions Team (2021). MATLAB and Simulink Robotics Arena: ROS Control App (https://www.mathworks.com/matlabcentral/fileexchange/67257-matlab-and-simulink-robotics-arena-ros-control-app), MATLAB Central File Exchange. Retrieved .
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Turns out that "boolean" function is part of Simulink, so perhaps you don't have it installed?
You can go into the code and change "boolean(0)" for either "logical(0)" or "false" and it should resolve that error.
When connecting to ROS, I end up with this error message :
ans =
Publisher with properties:
TopicName: '/userSpeed'
IsLatching: 1
NumSubscribers: 0
MessageType: 'geometry_msgs/Twist'
Undefined function 'boolean' for input arguments of type 'double'.
Error in ROSControlApp/configureROSMsgs (line 211)
rosparam('set', 'restartWaypoints', boolean(0));
Error in ROSControlApp/ConnecttoROSButtonPushed (line 741)
configureROSMsgs(app);
Error using matlab.ui.control.internal.controller.ComponentController/executeUserCallback (line 335)
Error while evaluating Button PrivateButtonPushedFcn.
Anything wrong with my configuration, or does the app need an update for 2019b?