He needed something more efficient. So he created the SPI channels using DMA. He also made a video (see below) with a very clear explanation about why he did it and shows oscilloscope traces about ...

That is, it uses three DMA channels to get the signal out as fast as possible. He has a good overview of the method that you can check out for details, but it goes something like this. The WS2812 ...

The User can use his own clockdomain and can adjust the datawidth for each channel. The events "Start of Frame", "End of Frame" and "End of line" are supported and control the storage in memory and ...