LCD overlay rotation and scaling

Discussion around products based on ARM Cortex-A5 core.

Moderator: nferre

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Joined: Tue May 06, 2014 2:14 pm

LCD overlay rotation and scaling

Tue Dec 02, 2014 12:30 pm


I'm trying to rotate and scale down a picture with the HEO Layer of the LCD controller. I have successfully rotate unscaled pictures and I have successfully scaled down an unrotated picture. But if I try to scale and rotate a picture at the same time it doesn't work (I always get overflow interrupts). In datasheet it not explicitly said that it is (im-)possible. Does someone know if it is and if so could give me a little hint what to consider?


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