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caternuson avatar caternuson commented on July 21, 2024 1

does this need updating to sync up with latest RGBW tweaks?
https://github.com/adafruit/Adafruit_Blinka/blob/master/src/adafruit_blinka/microcontroller/raspi_23/neopixel.py#L71

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ladyada avatar ladyada commented on July 21, 2024

hmm thats odd - it does work with normal RGB neopixels right?

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waded avatar waded commented on July 21, 2024

@ladyada Unfortunately I don't have any RGBs to test. I'll edit issue to add example code and the resulting color sequence here in a sec.

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waded avatar waded commented on July 21, 2024

I will add that I did try rpi_ws281x's Python examples, notably SK6812_strandtest.py, which does solid color fills, including white, and that was working as expected.

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ladyada avatar ladyada commented on July 21, 2024

oh ok you know i know what happened, i can fix it

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ladyada avatar ladyada commented on July 21, 2024

no i think its just the way the raspi neopixel driver expects data, if i set it to RGBW i think i have to shift data in differently. im getting an RGBW ring to do a proper test

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waded avatar waded commented on July 21, 2024

I'd be happy to test a fix on my strip when you have one. I prototyped a fix (changed the # assign all colors! block to also be based on LED_STRIP and shift the w value out of buf into pixel in the RGBW case), but I don't have a way to test anything but that.

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ladyada avatar ladyada commented on July 21, 2024

i believe its now fixed in a PR

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