From a6e931400ead19d3d34ca4a57785d1512dc2d12b Mon Sep 17 00:00:00 2001 From: Ryan Date: Sat, 25 Jan 2025 17:38:12 +1100 Subject: Relocate base WS2812 code (#24850) --- drivers/led/ws2812.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 drivers/led/ws2812.c (limited to 'drivers/led/ws2812.c') diff --git a/drivers/led/ws2812.c b/drivers/led/ws2812.c new file mode 100644 index 0000000000..bf234c6f7d --- /dev/null +++ b/drivers/led/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