Bus communication between charts in Stateflow

Hi there!

In one of our laboratories our professor asked us to implement the lighting of a car in Stateflow using two Stateflow-Charts to keep things modular. One chart should receive all inputs and communicate with the second chart via a bus.

We weren't given any information on how to actually achieve the bus-communication, hence this question.

The closest matching information i could find was in this page of the docs, where they talk about "messages" and i think that this ultimately leads to the solution to my issue. However, i can't seem to figure out how to actually set this up myself.

Do i have to define a Simulink bus object? How can i link the two charts together via a bus (this is what i imagine the figure to represent)?

Once the connection/ the bus is set up, how can i send information via this connection?

Thank you all very much in advance!

Answer 1

[Mark McBroom]

Simulink buses become structures in Stateflow. This link expains how a bus in a Simulink model becomes a structure in stateflow. If your professor truly wants you to have a bus between the two, you will need to create 2 separate Stateflow chart blocks in your SImulink model and then connect them with a Simulink Bus.

https://www.mathworks.com/help/stateflow/ug/about-stateflow-structures.html