Undefined function or variable 'inputParser' while using Matlab Function in Stateflow
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Christian Black
on 4 Jun 2020
Commented: Christian Black
on 2 Jul 2020
Hello all,
I'm using a matlab function within my stateflow diagram, however I'm getting the error "Undefined function or variable 'inputParser'". When I try to run the function within a .m file it works fine. I cannot find any limitations to inputParser usage in stateflow within the help files or by google.
Code:
function x = OK(i)
default = 1:50;
p = inputParser;
addOptional(p,'i',default);
parse(p,i);
if all(Input_Mux(i)== enumState.OK)
x = true;
else
x = false;
end
end
Does anyone know why this is failing?
6 Comments
Ameer Hamza
on 5 Jun 2020
Good that this solution worked. I have added this as an answer with modification to make it work. Thanks.
Accepted Answer
Ameer Hamza
on 5 Jun 2020
Edited: Ameer Hamza
on 5 Jun 2020
It seems that the problem might be happening because the inputParser does not support code generation. You may try coder.extrinsic
coder.extrinsic('inputParser', 'addOptional', 'parse', 'get')
add this line at beginning of function definition
function x = OK(varargin)
coder.extrinsic('inputParser', 'addOptional', 'parse', 'get')
Input_mux = [1:100]; %Would normally be stateflow input, added here for ease.
default = 1:50;
p = inputParser;
addOptional(p,'i',default);
parse(p,varargin{:});
if all(Input_mux(p.Results.i)== 5)
x = true;
else
x = false;
end
end
'get' is needed as extrensic to extract data from p.Results as shown in comment: https://www.mathworks.com/matlabcentral/answers/542015-undefined-function-or-variable-inputparser-while-using-matlab-function-in-stateflow#comment_884843
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