* WS2812 PWM: prefix for DMA defines * Add backward compatibility defines
Co-authored-by: Less/Rikki <86894501+lesshonor@users.noreply.github.com> Co-authored-by: Drashna Jaelre <drashna@live.com> Co-authored-by: Duncan Sutherland <dunk2k_2000@hotmail.com>