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For more performance tuning, I added frame buffer (FB) function. As FB consume 1KB of SRAM, it is applicable only for Mega. With modified code, I got 14 FPS with delay = 1 . It marked 12 FPS with delay = 4, so performance increase of FB was 4 FPS.
The followings are codes that I modified.
The followings are codes that I modified.
Is there any chance you could post the entire .cpp and .h files with your modifications? The code modifications that you posted appear to be incomplete. Of course, it could just be me...