On Thu, May 18, 2023, 11:53 AM Alan C. Assis <acas...@gmail.com> wrote:
> I don't think you can get ws2812 working directly using a GPIO over > bitbang, the protocol used by this chip is very time sensitive. > Actually even in SPI mode I failed to get it working, I tried it on > stm32f103-minimum and stm32f4discover because AFAIK originally Brennan > implemented and tested the driver in STM32. > > BR, > > Alan > I tested it on an nRF52 but I think others have use STM32. It is particular since we are abusing SPI for something that looks kind of like SPI. I recommend using a logic analyzer to verify the waveform on the wire if debugging this. --Brennan
