Dear OMAP Developers, I'm working on a driver for the face detection interface (FDIF) IP core that is part of the OMAP 4430 SoC. My development platform is the Pandaboard. I'm make good progress - I was able to set up the IP core according to the TI documents (SWPU231N). For now, I'm not using interrupts but poll while waiting for the results. Starting the FDIF engine (FD_CTRL RUN bit) works as expected and the completion of the procedure is indicated via the FD_CTRL FINISH bit as described by the documentation. So far so good. The issue I have is that no matter what data (i.e., 320x240 grayscale image with faces on it) i send to the core, I always get 0 detections reported in the FD_DNUM register. I've been playing around with the "performance parameters" exposed by the core via the FD_COND and FD_LHIT registers but had no luck. I have no idea why I'm not getting any detections. And since I do not get any other feedback than the 0 in FD_DNUM from the core, this is difficult to debug. Are there somewhere test images available that are known to produce results other than 0 faces? Maybe someone from TI who is familiar with the FDIF subsystem could help me with this one. I'd really appreciate that!
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