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3d70766327
* add byte order bgr for ws2812 * update docs for driver change * Update ws2812_driver.md * Update docs/ws2812_driver.md Co-authored-by: Ryan <fauxpark@gmail.com> Co-authored-by: Ryan <fauxpark@gmail.com>
97 lines
2.1 KiB
C
97 lines
2.1 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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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#if defined(__GNUC__)
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# define PACKED __attribute__((__packed__))
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#else
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# define PACKED
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#endif
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#if defined(_MSC_VER)
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# pragma pack(push, 1)
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#endif
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#ifdef RGBW
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# define LED_TYPE cRGBW
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#else
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# define LED_TYPE RGB
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#endif
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#define WS2812_BYTE_ORDER_RGB 0
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#define WS2812_BYTE_ORDER_GRB 1
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#define WS2812_BYTE_ORDER_BGR 2
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#ifndef WS2812_BYTE_ORDER
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# define WS2812_BYTE_ORDER WS2812_BYTE_ORDER_GRB
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#endif
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typedef struct PACKED {
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#if (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_GRB)
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uint8_t g;
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uint8_t r;
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uint8_t b;
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#elif (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_RGB)
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uint8_t r;
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uint8_t g;
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uint8_t b;
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#elif (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_BGR)
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uint8_t b;
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uint8_t g;
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uint8_t r;
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#endif
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} cRGB;
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typedef cRGB RGB;
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// WS2812 specific layout
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typedef struct PACKED {
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#if (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_GRB)
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uint8_t g;
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uint8_t r;
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uint8_t b;
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#elif (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_RGB)
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uint8_t r;
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uint8_t g;
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uint8_t b;
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#elif (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_BGR)
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uint8_t b;
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uint8_t g;
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uint8_t r;
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#endif
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uint8_t w;
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} cRGBW;
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typedef struct PACKED {
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uint8_t h;
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uint8_t s;
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uint8_t v;
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} HSV;
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#if defined(_MSC_VER)
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# pragma pack(pop)
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#endif
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RGB hsv_to_rgb(HSV hsv);
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RGB hsv_to_rgb_nocie(HSV hsv);
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#ifdef RGBW
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void convert_rgb_to_rgbw(LED_TYPE *led);
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#endif
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