From 208ebf54a905ce6e4e563a6811eca8c8dc8b17e1 Mon Sep 17 00:00:00 2001 From: Ryan Date: Sun, 6 Oct 2024 19:01:07 +1100 Subject: WS2812 API rework (#24364) * Begin WS2812 API rework * Move RGBW conversion, clean up color.h, fix RGBW for AVR bitbang * Formatting & update PS2AVRGB I2C driver (untested) * Tested ARM bitbang RGB+RGBW * Tested ARM SPI RGB - RGBW not working * Tested ARM PWM RGB+RGBW * Tested RP2040 PIO driver RGB+RGBW * Update RGBLight * Formatting * Fix BM60HSRGB rev2 * Fix oddforge/vea * Fix 1k and XD002 RGBLite * Fix model_m/mschwingen * Fix handwired/promethium * Rename `WS2812_LED_TOTAL` for BM60HSRGB * Fix work_louder boards * Fix dawn60 * Fix rgbkb/pan * Fix neson_design/700e and n6 * Fix ergodox_ez/shine * ergodox_ez/shine: invert indices for left half * Fix matrix/abelx * Fix matrix/m20add * Remove custom rgblight driver for matrix/noah - should be done with lighting layers * Fix LED indexes for RGBLight split * Rename `convert_rgb_to_rgbw()` to `ws2812_rgb_to_rgbw()` * Update WS2812 API docs * `ergodox_ez/shine`: simplify LED index calculation * LED/RGB Matrix: Add weak function for LED index resolution * Bandaid fix for RGB Matrix splits not using WS2812 * `steelseries/prime_plus`: redo custom RGBLight driver * Update keyboards/steelseries/prime_plus/rgblight_custom.c Co-authored-by: Dasky <32983009+daskygit@users.noreply.github.com> --------- Co-authored-by: Dasky <32983009+daskygit@users.noreply.github.com> --- drivers/ws2812.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 drivers/ws2812.c (limited to 'drivers/ws2812.c') diff --git a/drivers/ws2812.c b/drivers/ws2812.c new file mode 100644 index 0000000000..bf234c6f7d --- /dev/null +++ b/drivers/ws2812.c @@ -0,0 +1,15 @@ +// Copyright 2024 QMK +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "ws2812.h" + +#if defined(WS2812_RGBW) +void ws2812_rgb_to_rgbw(ws2812_led_t *led) { + // Determine lowest value in all three colors, put that into + // the white channel and then shift all colors by that amount + led->w = MIN(led->r, MIN(led->g, led->b)); + led->r -= led->w; + led->g -= led->w; + led->b -= led->w; +} +#endif -- cgit v1.2.3