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/* 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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