Using Reference Model for HDL code Generation

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Kamyar Khosravi 2018-4-10

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https://ww2.mathworks.cn/matlabcentral/answers/393925-using-reference-model-for-hdl-code-generation

评论： Kamyar Khosravi 2018-4-11

Hi,

Is there anyway to generate HDL code for a reference model . For example, let's say I have a subsystem that I would like to use across my design. There are currently two problems with repeating the same subsystem across the model. One is that the generated code outputs different Verilog files for each of the called subsystem. Second is that if I want to make a change to the subsystem, the change will not happen across the other subsystems. Is there a way to create a subsystem, that can be modified globally and at the same time generate only one Verilog file?

Many thanks, Kamyar

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Answer 1

Kiran Kintali 2018-4-10

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https://ww2.mathworks.cn/matlabcentral/answers/393925-using-reference-model-for-hdl-code-generation#answer_314416

Yes, you can use model reference block with HDLCoder to generate HDL code without creating duplicate copies.

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Kiran Kintali 2018-4-10

hdlcoder_audiofiltering

Generate HDL from shipping example of an audio filter with left and right channels. It uses two atomic subsystems with identical content. HDLCoder recognizes this pattern and generates only one module and instantiates it twice.

Kamyar Khosravi 2018-4-11

Thank you for the feedback I managed to do it successfully.

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Answer 2

Tim McBrayer 2018-4-10

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https://ww2.mathworks.cn/matlabcentral/answers/393925-using-reference-model-for-hdl-code-generation#answer_314431

Mark each instance of the subsystem as atomic. When marked atomic, it will generate only one output file for all instances.

Secondly, you can place your subsystem in a library. When you use a library block, each copy refers back to the original library block. Changing the library block will cause every instance to have the same change.