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You should base a new HUB75_SIZE 8040 on the existing 4040 because a 128x64 is simply 2 x 64x64 chained together. |
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if I use 4040 configuration, does ps_hub75_64.pio work without changes? |
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No, at least the column counter in line 34 "set x, 15 side 0 ; init loop counter for 64 columns" has to be changed to "set x, 31 side 0" to handle the 128 columns. You also have to change the DMA setup in the .c files. |
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What need to be change if I want to use 2 64x64 panel -> 128*64, its easier to change HUB75_SIZE 4040 or 8080?
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