SIL testing with user defined function.

Question

Rahul 2023-4-24

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1952434-sil-testing-with-user-defined-function

评论： Rahul 2023-4-26

So, I'm trying to do SIL testing for my simulink model. Right now I'm only trying to test one subsystem. This subsystem consists of some user defined code. When I try to perform SIL I get the following errors.

error: use of undeclared identifier 'tmp'

tmp = _mm_loadu_pd(&b_A[(int32_T)(kAcol - 1)]);

2. error: call to undeclared function '_mm_loadu_pd'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]

tmp = _mm_loadu_pd(&b_A[(int32_T)(kAcol - 1)]);

Many similar errors of this 'tmp' type. At the end I get this error

Error(s) encountered while building "rtwshared"

I tried to change the C code to standards available which isnt the ISO 99, like the ANSI standard. However, the error persists.

On another note, if i try to generate code using Embedded Coder on simulink. I am able to generate code.

Is the code being built to perform SIL and this embedded code the same?

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Answer 1

Mark McBroom 2023-4-26

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https://ww2.mathworks.cn/matlabcentral/answers/1952434-sil-testing-with-user-defined-function#answer_1223204

You need to add the function prototype for _mm_loadu_pd to your user defined C file ( or a #include to a header file that defines the function prototype).

Thanks.

Mark.