Brace indexing is not supported for variables of this type in Simulink

Question

Nathaniel Goldfarb 2021-6-11

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/853965-brace-indexing-is-not-supported-for-variables-of-this-type-in-simulink

编辑： Abhijeet Gadkari 2021-6-11

采纳的回答： Abhijeet Gadkari

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I have been having a lot of trouble building and runing simulink models with custom messages.

Nothing I seems to do works. It does not help that the error messages have no information in the them to

help trace the issues.

Right now I am trying to just build a simple publisher

My custom message is the following

simple_test/temp.msg:

int64 a
int64 b

My models is as looks has follows:

Top model targets built:
Model         Action  Rebuild Reason                                    
========================================================================
test_service  Failed  Code generation information file does not exist.  
0 of 1 models built (0 models already up to date)
Build duration: 0h 0m 10.522s
 BuildDependencies{1}
Caused by:
Brace indexing is not supported for variables of this type. 

I dont understand what is causing this issue. WHAT is causing this issue? WHAT variables is it talking about? HOW can I get any better diagnoustic information?

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Answer 1

Abhijeet Gadkari 2021-6-11

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/853965-brace-indexing-is-not-supported-for-variables-of-this-type-in-simulink#answer_722705

编辑：Abhijeet Gadkari 2021-6-11

Hello Nathaniel,

This is a known problem that was fixed in R2021a update3.

Please install R2021a update 3 and generate code again.

As a workaround, can you please deploy the code using "Remote Device" on a VM or your robot?

To deploy the code on a remote device, in Simulink toolstrip, ROS tab, select "Remote Device" option from the "Deploy to" drop-down section in CONNECT tab. You can use "Manage Remote Device" button to set the IP Address, user, password of your VM or remote device.