On Fri, Sep 2, 2022 at 6:25 PM Victor Benso wrote: > Recently I came in need of adding a WS2812 LED to one of my ESP32 projects > that run NuttX. > The existing support already on NuttX for such LEDs needed an SPI > interface. In the board in question we are short on SPIs, SPI2 is running > the SDCard with some load and the other(SPI3) is used by some MCP2515 > controllers, so I decided to use the RMT peripheral. > The running application can be seen at > https://www.youtube.com/watch?v=rmOh9iGzwtk > > After some advice from Alan Assis I've managed to make it work. So I've > decided to submit a PR (https://github.com/apache/incubator-nuttx/pull/6992 > ). > > I hope that everything is in order with the implementation, but given that > it is my first time doing this, there are so many things that can go wrong. > If this is the case, please let me know what must be done in order to fix > it. > Thanks, > > Victor A. P. Benso
Hey there Victor! Current ESP32 implementation of MicroPython uses RMT as NeoPixel (WS2812) driver, it is written in C, you can check that out and compare :-) -- CeDeROM, SQ7MHZ, http://www.tomek.cedro.info
