df91396be9
* ARM - ws2812 bitbang (#7173) * Initial ARM bitbang ws2812 driver * Unify chibios platform to run rgblight_task * Remove 'avr only' comments from ws2812 docs * Remove 'avr only' comments from ws2812 docs * Unify chibios platform to run rgblight_task - review comments * Remove debug flags from keymap * Add comments from review * Add defines for STM32L0XX * Attempt to get arm ws2812 working on multiple gcc versions * Support RGBLIGHT_SLEEP when ChibiOS boards suspend (#7280) Copypasta from the AVR suspend implementation with a Teensy-specific hack removed * Unify RGB and RGBW commands (#7297) * Fix unicode in comments Co-Authored-By: fauxpark <fauxpark@gmail.com> * Remove separate RGBW implementation for a unified function * Set White to 0 in RGBW LEDs This is just to get this working, later, proper brightness can be handled elsewhere. * Use us instead of nanoseconds(?) since it renders correctly on web * Remove RGBW function from arm/ws2812.h * Remove RGBW function from arm/ws2812.c * Formatting changes * Add doc info * Remove force of debug on within rgblight - causes lockups waiting for hid_listen (#7330) * Move Ergodox EZ RGB Light code to custom driver (#7309) * Move Ergodox EZ RGB code to custom driver Also implements full addressing of Ergodox EZ's LED Strip, as written by seebs Co-authored-by: Seebs <seebs@seebs.net> * Make Clipping range accessible for custom drivers * Remove RGBW_BB_TWI from driver and docs * Revert changes to clipping range support * Use just rgblight_set instead of full custom driver * Convert to i2c_master commands * Rename rgblight driver and clean up includes * Use White channel on RGBW LEDs * SPI DMA based RGB Underglow for STM32 (#7674) * Initial stash of ws2812 spi driver * Update comment, add sync backup plan * Add testing notes to spi ws2812 driver * Align RGBW error messages Co-authored-by: Joel Challis <git@zvecr.com> Co-authored-by: Jonathan Rascher <jon@bcat.name> Co-authored-by: Florian Didron <fdidron@users.noreply.github.com>
103 lines
2.4 KiB
C
103 lines
2.4 KiB
C
/* Copyright 2017 Jason Williams
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "color.h"
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#include "led_tables.h"
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#include "progmem.h"
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RGB hsv_to_rgb(HSV hsv) {
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RGB rgb;
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uint8_t region, remainder, p, q, t;
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uint16_t h, s, v;
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if (hsv.s == 0) {
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#ifdef USE_CIE1931_CURVE
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rgb.r = rgb.g = rgb.b = pgm_read_byte(&CIE1931_CURVE[hsv.v]);
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#else
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rgb.r = hsv.v;
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rgb.g = hsv.v;
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rgb.b = hsv.v;
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#endif
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return rgb;
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}
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h = hsv.h;
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s = hsv.s;
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#ifdef USE_CIE1931_CURVE
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v = pgm_read_byte(&CIE1931_CURVE[hsv.v]);
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#else
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v = hsv.v;
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#endif
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region = h * 6 / 255;
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remainder = (h * 2 - region * 85) * 3;
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p = (v * (255 - s)) >> 8;
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q = (v * (255 - ((s * remainder) >> 8))) >> 8;
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t = (v * (255 - ((s * (255 - remainder)) >> 8))) >> 8;
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switch (region) {
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case 6:
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case 0:
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rgb.r = v;
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rgb.g = t;
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rgb.b = p;
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break;
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case 1:
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rgb.r = q;
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rgb.g = v;
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rgb.b = p;
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break;
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case 2:
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rgb.r = p;
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rgb.g = v;
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rgb.b = t;
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break;
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case 3:
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rgb.r = p;
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rgb.g = q;
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rgb.b = v;
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break;
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case 4:
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rgb.r = t;
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rgb.g = p;
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rgb.b = v;
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break;
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default:
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rgb.r = v;
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rgb.g = p;
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rgb.b = q;
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break;
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}
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return rgb;
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}
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#ifdef RGBW
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#ifndef MIN
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# define MIN(a, b) ((a) < (b) ? (a) : (b))
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#endif
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void convert_rgb_to_rgbw(LED_TYPE *led) {
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// Determine lowest value in all three colors, put that into
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// the white channel and then shift all colors by that amount
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led->w = MIN(led->r, MIN(led->g, led->b));
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led->r -= led->w;
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led->g -= led->w;
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led->b -= led->w;
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}
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#endif
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