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Altera_Forum
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13 years ago

Burst FFT SOP Error

Hi, I'm currently working on a burst fft core implementation. The problem is, I always get an error code 0x1 from the source_error bus of the fft block. The errors description is "Asserted wh...
Altera_Forum's avatar
Altera_Forum
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13 years ago

Hi Daixiwen,

you are the saviour :D !

It was exactly that what you suggested. I'm honest that I was just looking and investigating around the sink_sop signal (because the error message said so). I had no idea that it meant a "virtual" sop AFTER I set my sink_eop signal, but did not pull down sink_valid. I was just focusing on the wrong end of my package.

I also honestly admit that the signal is driven low in modelsim, too, after the eop signal was asserted. But as I said that was not the place I spend my energy on . . .

Thank you!

Maik