quantum/color.h

   1 /* Copyright 2017 Jason Williams
   2  *
   3  * This program is free software: you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation, either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  */
  16
  17 #ifndef COLOR_H
  18 #define COLOR_H
  19
  20 #include <stdint.h>
  21 #include <stdbool.h>
  22
  23 #if defined(__GNUC__)
  24 #    define PACKED __attribute__((__packed__))
  25 #else
  26 #    define PACKED
  27 #endif
  28
  29 #if defined(_MSC_VER)
  30 #    pragma pack(push, 1)
  31 #endif
  32
  33 #ifdef RGBW
  34 #    define LED_TYPE cRGBW
  35 #else
  36 #    define LED_TYPE RGB
  37 #endif
  38
  39 // WS2812 specific layout
  40 typedef struct PACKED {
  41     uint8_t g;
  42     uint8_t r;
  43     uint8_t b;
  44 } cRGB;
  45
  46 typedef cRGB RGB;
  47
  48 // WS2812 specific layout
  49 typedef struct PACKED {
  50     uint8_t g;
  51     uint8_t r;
  52     uint8_t b;
  53     uint8_t w;
  54 } cRGBW;
  55
  56 typedef struct PACKED {
  57     uint8_t h;
  58     uint8_t s;
  59     uint8_t v;
  60 } HSV;
  61
  62 #if defined(_MSC_VER)
  63 #    pragma pack(pop)
  64 #endif
  65
  66 RGB hsv_to_rgb(HSV hsv);
  67 #ifdef RGBW
  68 void convert_rgb_to_rgbw(LED_TYPE *led);
  69 #endif
  70 #endif  // COLOR_H