Other RP2040 boards • Re: problem light led ws2812 on rp2350 zero

Now putting in some effort rather than drunken posting. Assuming the program compiles and tries to do something.
The bool rgbw parameter of ws2812_program_init() is never used == IS_RGBW is never used. So we need to take a look at urgb_u32() and put_pixel(). Because in the MicroPython program from the link there is a tricky line:
Colour data need to be formatted as GRB _and_ shifted 8 bits left (*), then it is pushed into the FIFO. If put_pixel() doesn't do that, it won't work.

(*) Link to relevant MicroPython doc:
https://docs.micropython.org/en/latest/ ... chine.html

Statistics: Posted by katak255 — Wed Dec 24, 2025 2:45 pm

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