Shrink WS2811/WS2812 LED strip DMA buffer with a chunked circular refill - #11798

Open

sensei-hacker wants to merge 9 commits into

iNavFlight:maintenance-10.xfrom

sensei-hacker:shrink-ledstrip-dma-buffer

Commits on Aug 12, 2026

Shrink ledStripDMABuffer from 32-bit to 16-bit elements
sensei-hacker
committed
5426ac3

Commits on Aug 18, 2026

Add opt-in circular-DMA refill callback to F4 timer driver
sensei-hacker
committed
7a6e57f
Cache recent HSV->RGB conversions in hsvToRgb24
sensei-hacker
committed
d328163
Replace whole-strip WS2811 DMA buffer with a bounded, chunked one
sensei-hacker
committed
df8903b
Add DMA refill callback support to HAL and AT32 timer backends
sensei-hacker
committed
6ab6edb
Mark ISR-shared LED strip state volatile; note cache's caller assumption
sensei-hacker
committed
b824447
Fix PINIO idle-high regressions from the DMA buffer rewrite
sensei-hacker
committed
429312c

Commits on Aug 19, 2026