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Replace PIO code with an inbuilt timer, based on https://learn.adafru… #20

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Replace PIO code with an inbuilt timer, based on https://learn.adafru… #20

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Commits on Feb 5, 2024

  1. Replace PIO code with an inbuilt timer, based on https://learn.adafru… 

    …it.com/intro-to-rp2040-pio-with-circuitpython/advanced-using-pio-to-drive-neopixels-in-the-background
    Max Carlson committed Feb 5, 2024
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Commits on Feb 7, 2024

  1. Back out changes from blaz-r#19

    Max Carlson committed Feb 7, 2024
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  2. Add more comments and credits to the source

    Max Carlson committed Feb 7, 2024
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Commits on Feb 8, 2024

  1. Use a single array as a buffer, including header and trailer 

    Uses an offset to ensure get/set() happens in the right place. Also caches the memoryview once to make show() as efficient as possible. It turned out passing the header/trailer values as-is from python is the right approach. Everything works well for me now, maybe I'll look into DMA next :)
    Max Carlson committed Feb 8, 2024
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  2. Remove references to delay as it's no longer needed

    Max Carlson committed Feb 8, 2024
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Commits on Mar 31, 2024

  1. Merge branch 'main' into pio_timer

    @blaz-r
    blaz-r authored Mar 31, 2024
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Commits on Apr 1, 2024

  1. Optimize and add WS2821 support

    @blaz-r
    blaz-r committed Apr 1, 2024
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  2. Merge branch 'main' into pio_timer

    @blaz-r
    blaz-r authored Apr 1, 2024
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  3. Remove unused imports

    @blaz-r
    blaz-r committed Apr 1, 2024
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  4. Merge branch 'pio_timer' of https://github.com/mcarlson/pi_pico_neopixel 

     into pio_timer
    @blaz-r
    blaz-r committed Apr 1, 2024
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