How to tell the Embedded Coder to not write zero to unconnected output ports

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aida_p 2018-10-16

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https://ww2.mathworks.cn/matlabcentral/answers/424287-how-to-tell-the-embedded-coder-to-not-write-zero-to-unconnected-output-ports

编辑： aida_p 2018-10-16

Hi,

I am using a Mux block in Simulink with 32 ports to create a bus signal with the storage class set to ImportedExternPointer. I would like to generate code from this signal so that the connected signals of the Mux block are written over pointers to memory. However, if I do not connect all the ports of the mux block, in my generated code the value 0 will be written to memory. Can I avoid this somehow? Can the Embedded Coder ignore the unconnected ports of the Mux in Simulink?

Thanks!