From 01b955aa64766d51191a716d3a9d74d35f221b28 Mon Sep 17 00:00:00 2001 From: Fred Sundvik Date: Sat, 13 Feb 2016 19:21:16 +0200 Subject: Add LCD backlight support Also possibility to disable the LCD support --- lcd_backlight.h | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 lcd_backlight.h (limited to 'lcd_backlight.h') diff --git a/lcd_backlight.h b/lcd_backlight.h new file mode 100644 index 0000000000..dd3e37a064 --- /dev/null +++ b/lcd_backlight.h @@ -0,0 +1,42 @@ +/* +The MIT License (MIT) + +Copyright (c) 2016 Fred Sundvik + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +*/ + +#ifndef LCD_BACKLIGHT_H_ +#define LCD_BACKLIGHT_H_ +#include "stdint.h" + +// Helper macros for storing hue, staturation and intensity as unsigned integers +#define LCD_COLOR(hue, saturation, intensity) (hue << 16 | saturation << 8 | intensity) +#define LCD_HUE(color) ((color >> 16) & 0xFF) +#define LCD_SAT(color) ((color >> 8) & 0xFF) +#define LCD_INT(color) (color & 0xFF) + +void lcd_backlight_init(void); +void lcd_backlight_color(uint8_t hue, uint8_t saturation, uint8_t intensity); +void lcd_backlight_brightness(uint8_t b); + +void lcd_backlight_hal_init(void); +void lcd_backlight_hal_color(uint16_t r, uint16_t g, uint16_t b); + +#endif /* LCD_BACKLIGHT_H_ */ -- cgit v1.2.3