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Got all zeros from capture in AD9371 no-os demo

Question asked by dboyan on Jun 16, 2017
Latest reply on Jun 20, 2017 by dboyan

Hi,

I built a ad9371 hardware project from the latest 2016_R2 branch of hdl repo, and tried the no-os demo on zc706 (profile had been generated using official tools). The demo seemed to run all right apart from "REF_CLK not connected" message, as shown in ad9371_init.png. But if I ran capture.bat after the demo finished, I got all zeros (capture_csv.png). This problem would even persist when I used BIST loopback Tx->Rx. I also tried the Linux image on the same board, where it worked all right. So I wonder what was wrong with the no-os project. Any clue to the problem is appreciated.

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