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/*
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The MIT License (MIT)
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Copyright (c) 2016 Fred Sundvik
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#ifndef LCD_BACKLIGHT_H_
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#define LCD_BACKLIGHT_H_
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#include "stdint.h"
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// Helper macros for storing hue, staturation and intensity as unsigned integers
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#define LCD_COLOR(hue, saturation, intensity) (hue << 16 | saturation << 8 | intensity)
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#define LCD_HUE(color) ((color >> 16) & 0xFF)
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#define LCD_SAT(color) ((color >> 8) & 0xFF)
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#define LCD_INT(color) (color & 0xFF)
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inline uint32_t change_lcd_color_intensity(uint32_t color, uint8_t new_intensity) {
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return (color & 0xFFFFFF00) | new_intensity;
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}
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void lcd_backlight_init(void);
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void lcd_backlight_color(uint8_t hue, uint8_t saturation, uint8_t intensity);
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void lcd_backlight_brightness(uint8_t b);
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void lcd_backlight_hal_init(void);
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void lcd_backlight_hal_color(uint16_t r, uint16_t g, uint16_t b);
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#endif /* LCD_BACKLIGHT_H_ */
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