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How to create union in simulink

조회 수: 8 (최근 30일)
WJKIM
WJKIM 2024년 5월 8일
댓글: WJKIM 2024년 5월 13일
Hellow.
I have a question about how to union in simulink in simulink coder.
I know how to create the bus of struct using the 'Simulink bus' in dictionary file. (*.sldd)
However, i can't see the part that creates the union.
Does Mathoworks support the method of generating code an union as shown below?
If so, could you tell me how?
thank you
**************************************************************************************
typedef union
{
uint32 R;
uint16 H;
} Test_u;
**************************************************************************************

답변 (2개)

Anurag Ojha
Anurag Ojha 2024년 5월 8일
Hello
You can refer to following file exchange link to get more information:
I hope this helps you resolve your query
  댓글 수: 2
WJKIM
WJKIM 2024년 5월 10일
Thank you for feedback.
I will try it
WJKIM
WJKIM 2024년 5월 13일
Hello,
I have a question about your link.
I found the 'TempBus' in *.m file. And its configuration of code generation is as follow:
Data scope : Imported
Header file : DataTypeImport.h
However, i don't find the DataTypeImport.h file.
Could you tell me where it is? How can i get that?

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Angelo Yeo
Angelo Yeo 2024년 5월 8일
Hi @WJKIM,
Current Simulink bus does not support union. Could we get a clearer understanding of why you want to realize the Simulink.Bus object as a union in the generated code? Is there any particular use case for this request?
  댓글 수: 1
WJKIM
WJKIM 2024년 5월 10일
Hi.
I respond to that.
If there are many flags (for example, Fault Flags), i can save memory space by using union.
This is only my opinion.

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