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Partial Frame Buffer not updating

Archer_Lawrence
Associate

Hi all,

I'm trying to use the partial frame buffer feature and I get the first two partial frames (40 lines), but TouchGFX does not seem to update the screen into the partial buffer.  Just using TouchGFX no DMA, and no ChromArt.

 

My home screen is :

Archer_Lawrence_0-1754587554422.png

But the LCD only displays

Archer_Lawrence_1-1754587770711.png

Looking at the partial frame buffer, the rest of the screen is not rendered.

Do I need to make some call in frame transfer to update to the next partial frame?

Thanks

Archer

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