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constant array not generating code

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Cynthia Fallon
Cynthia Fallon 2019-4-17
评论： Ryan Livingston 2019-4-22
I have a constant array that worked in matlab 2011b, but doesn't work now. I get the following error when I try to generate code:
CODEGEN(Library,System,Destination,Rate,Endianness,HtmlReport,Project,SafetyCritical,hasSynergyInfo)
Caused by:
Error using tlc_c (line 179)
The generated code will inline the numeric value of the expression '[GAZ GEL]' (used in parameter 'Value'
of ('Model/Constant6') because the expression has one or more unsupported operators (see the documentation).
The code for this block will not use the tunable variables (GAZ (base workspace), GEL (base workspace)).
If I click on "see the documentation', I get:
Error using helpUtils.csh.helpviewMLFactory/checkForMapFile (line 33)
Specified topic id (rtw_tunable_expr) does not exist in map file
C:\EngTools\MATLAB\R2018B\help\rtw\helptargets.map.
Error in helpview (line 213)
help_path = factory.checkForMapFile(mapfilename, topic_id);
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Cynthia Fallon
Cynthia Fallon 2019-4-18
编辑：Cynthia Fallon 2019-4-18
I don't think it's an install problem. All other help works OK.
The problem I really need fixed is the constant array [GAZ GEL] is not allowing code to be generated.
Ryan Livingston
Ryan Livingston 2019-4-22
That makes sense. I've made an internal note about the broken documentation link.
https://www.mathworks.com/help/rtw/ug/limitations-for-block-parameter-tunability-in-the-generated-code.html
describes the requirements for tunable parameters in generated code. Specifically, you'll notice that [] are disallowed for tunable parameters.
Possible workarounds could include:
  • Save this value into something that complies with the requirements spelled out in that page
  • Disable tunability on that parameter

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