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JWall40's avatar
JWall40
Icon for New Contributor rankNew Contributor
6 years ago

No output from FFT IP

I am trying to perform a FFT on a single 1024 sample frame, using streaming architecture. However, I cannot get source_valid to go high or any output. Here's my signal tap 4k samples Start of...
CheepinC_altera's avatar
CheepinC_altera
Icon for Regular Contributor rankRegular Contributor
6 years ago

Hi,

Glad to hear that you have managed to resolve the issue. Regarding your inquiry on the fixed point, for your information, fixed point format can take in the input to FFT directly and treat it as normal binary data. If you are selecting other format ie single floating point, your data input need to comply or follow the required format. Based on your observation, I believe it is due to the data formatting which lead to the no output issue.

Please let me know if there is any concern. Thank you.

Best regards,

Chee Pin