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View Code? Open in Web Editor NEWMinimalistic QVGA Display on Raspberry Pico with resolution 320x240/8bit, suitable as tutorial to PIO and DMA.
Minimalistic QVGA Display on Raspberry Pico with resolution 320x240/8bit, suitable as tutorial to PIO and DMA.
Hi
Great software - many thanks
I'm trying to work out how to use the S/W with a single bit per pixel (mono display)
I have set 1 BPP in the pio file and 1 pin in config.h
The bit I can't see is where to set the DMA transfer count(s) to reduce it(them) by a factor of 8
I've got the code already for manipulating a 1 bit framebuffer so don't need help on this but just want to get the basic background DMA running and have failed so far
UPDATE: found it :-)
`
*cb++ = WIDTH/32;
cb++ = (u32)&pFrameBuf[lineWIDTHBYTE];
UPDATE-UPDATE
works perfectly in 640x480 by doubling the clock and the various clock counts - just what I was hoping
`
Thanks
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