MATLAB: How to use the “State Control” block in HDL Coder Library

HDL Coder

In the Simulink Documentation

https://de.mathworks.com/help/simulink/slref/statecontrol.html

You address the issue of a Synchronous Model. I have the impression that this can be a valuable feature for my models but I do not quite understand what the State Control does actually do.

Is it possible for you to provide an example that illustrates the feature. That would be really helpful.

Best Answer

I suggest you to look at the following documentation page to get more understanding on the block:

https://www.mathworks.com/help/hdlcoder/ug/generate-hdl-code-using-state-control-block.html

For more properties and restriction related to the block follow the page:

https://www.mathworks.com/help/hdlcoder/ref/statecontrol.html

The following page consists of an example on how to use the block:

https://www.mathworks.com/help/hdlcoder/examples/using-the-state-control-block-to-generate-more-efficient-code.html

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MATLAB: How can the “State name” parameter of discrete blocks be set using a variable

1. Add the following code in the callback function Discrete Block -> Block Properties -> Callbacks tab -> InitFcn

set_param(gcb,'StateName',eval(['myVariable']))

2. Initialize myVariable with char type data in the workspace with the name you wish to have in your generated code. For example:

>> myVariable = 'myStateName';

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