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Altera_Forum
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18 years ago

MegaCore FFT in Quartus

I'm working on using the MegaFunction FFT in Quartus on an Altera DE2 board, but have had issues finding documentation of the inputs/outputs to the function. I've scoured these forums for a while, bu...
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Altera_Forum
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18 years ago

That makes sense. It should work with just an audio input right? I didn't assign an output and it still gives me the errors.

Ultimately, I'm trying to display to VGA - Does anyone know how the output std_logic_vector/array relate with the waveform? Do all 24 bits correspond to the magnitude? Unfortunately, I can't simulate it since I don't have the right version of MatLab to use the DSP Builder. I'm working to use an external simulation with the IP cmp file, but I haven't been successful yet.

I realized I put in some Java/C++ comments so here's an updated version.