How to generate hdl code for a function containing dsp.HDLFFT and dsp.HDLIFFT system objects?

Question

satish kumar 2021-1-12

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https://ww2.mathworks.cn/matlabcentral/answers/714483-how-to-generate-hdl-code-for-a-function-containing-dsp-hdlfft-and-dsp-hdlifft-system-objects

编辑： Kiran Kintali 2021-2-6

My matlab code consists of fft, multiplication, division and ifft operations in a single function. Can we generate hdl code for the entire function to burn on fpga. Please help.

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Answer 1

Kiran Kintali 2021-1-12

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https://ww2.mathworks.cn/matlabcentral/answers/714483-how-to-generate-hdl-code-for-a-function-containing-dsp-hdlfft-and-dsp-hdlifft-system-objects#answer_596378

hdlFFT.zip

Can you share a sample code and testbench?

See attached example on how to generate HDL from hdl.FFT function.

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satish kumar 2021-1-20

Kiran sir, individually hdlFFT and hdlIFFT i have done and it worked well. My requirement is as follows:

I have a row vector. On which i need to apply FFT and then multiply the result with a constant number and then apply IFFT to this result. So a function which does following FFT, multiplication and IFFT. I have written the function in matlab and tried to generate HDL code. But the code generation failed. My question is it possible to do so with HDL coder.

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Answer 2

Kiran Kintali 2021-1-20

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https://ww2.mathworks.cn/matlabcentral/answers/714483-how-to-generate-hdl-code-for-a-function-containing-dsp-hdlfft-and-dsp-hdlifft-system-objects#answer_602239

Please share sample MATLAB Code and Testbench and the error you are seeing. Thanks

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satish kumar 2021-1-22

Purpose of this test code is as follows. I am giving input : yIn , on which FFT applied and on this result(yOut) i applied IFFT to get back the given input yIn which is in YOut. But couldnt generate HDL.

Is it not possible to generate hdl code when FFT and IFFT hdl blocks in cascade. Because in my actual algorithm, i need them in cascade. Please help

satish kumar 2021-2-6