MEX level2 S-function "sfunc_basic" must be called with at least 4 right hand arguments

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Priyanka 2013-9-16

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https://ww2.mathworks.cn/matlabcentral/answers/87328-mex-level2-s-function-sfunc_basic-must-be-called-with-at-least-4-right-hand-arguments

评论： Sebastian Dietz 2015-12-16

Can any one please explain me what does this error mean. I tried to google it but could not find anything relevant. I get this while running the Simulink(mexing the file does not throw any error).

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Sebastian Dietz 2015-12-16

I got the same error, when I try to generate a .tlc-file for my C S-Function. I need the .tlc, because I use a selfwritten S-Function for TCP-communication on a RasPi and when I try to deploy it to the Hardware I got an error, that my SFcn has to be inlined.

Any solutions?

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Answer 1

Kaustubha Govind 2013-9-16

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https://ww2.mathworks.cn/matlabcentral/answers/87328-mex-level2-s-function-sfunc_basic-must-be-called-with-at-least-4-right-hand-arguments#answer_96918

I suspect you are mistakenly using the S-function block for a Level-2 S-function, or a Level-2 MATLAB S-Function block for a Level-1 S-function. Try switching to the other block and see if the error goes away.