- /* Copyright 2017 Jason Williams
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
- #pragma once
-
- #include <stdint.h>
- #include <stdbool.h>
-
- #if defined(__GNUC__)
- # define PACKED __attribute__((__packed__))
- #else
- # define PACKED
- #endif
-
- #if defined(_MSC_VER)
- # pragma pack(push, 1)
- #endif
-
- #ifdef RGBW
- # define LED_TYPE cRGBW
- #else
- # define LED_TYPE RGB
- #endif
-
- #define WS2812_BYTE_ORDER_RGB 0
- #define WS2812_BYTE_ORDER_GRB 1
- #define WS2812_BYTE_ORDER_BGR 2
-
- #ifndef WS2812_BYTE_ORDER
- # define WS2812_BYTE_ORDER WS2812_BYTE_ORDER_GRB
- #endif
-
- typedef struct PACKED {
- #if (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_GRB)
- uint8_t g;
- uint8_t r;
- uint8_t b;
- #elif (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_RGB)
- uint8_t r;
- uint8_t g;
- uint8_t b;
- #elif (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_BGR)
- uint8_t b;
- uint8_t g;
- uint8_t r;
- #endif
- } cRGB;
-
- typedef cRGB RGB;
-
- // WS2812 specific layout
- typedef struct PACKED {
- #if (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_GRB)
- uint8_t g;
- uint8_t r;
- uint8_t b;
- #elif (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_RGB)
- uint8_t r;
- uint8_t g;
- uint8_t b;
- #elif (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_BGR)
- uint8_t b;
- uint8_t g;
- uint8_t r;
- #endif
- uint8_t w;
- } cRGBW;
-
- typedef struct PACKED {
- uint8_t h;
- uint8_t s;
- uint8_t v;
- } HSV;
-
- #if defined(_MSC_VER)
- # pragma pack(pop)
- #endif
-
- RGB hsv_to_rgb(HSV hsv);
- RGB hsv_to_rgb_nocie(HSV hsv);
- #ifdef RGBW
- void convert_rgb_to_rgbw(LED_TYPE *led);
- #endif
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