-->
Page 1 of 2

Controlling WS2812B's with I2S and DMA on the ESP

PostPosted: Mon Aug 10, 2015 10:17 am
by cnlohr
I got this going here's the video and code to go along with it.



Totally ripped off the I2S Driver in the MP3 project.

https://github.com/cnlohr/esp8266ws2812i2s

Re: Controlling WS2812B's with I2S and DMA on the ESP

PostPosted: Mon Aug 10, 2015 11:13 am
by RichardS
Thanks! Very awsome I am sure lots will use this!

Richard.

Re: Controlling WS2812B's with I2S and DMA on the ESP

PostPosted: Wed Aug 12, 2015 7:06 am
by TEwing
This is great! Any chance the DMA control of ws2812's will become an arduino library? I'd love to keep a smooth animation going while I do some other processing in the core.

Re: Controlling WS2812B's with I2S and DMA on the ESP

PostPosted: Thu Aug 20, 2015 11:47 am
by sfranzyshen
What is the maximum number of LEDs that can be driven by this method? Since the ram (memory) is the limiting factor ...