/* Copyright 2013 Mathias Andersson <wraul@dbox.se> 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> #ifndef BACKLIGHT_LEVELS # define BACKLIGHT_LEVELS 3 #elif BACKLIGHT_LEVELS > 31 # error "Maximum value of BACKLIGHT_LEVELS is 31" #endif #ifndef BACKLIGHT_ON_STATE # define BACKLIGHT_ON_STATE 1 #endif #ifndef BREATHING_PERIOD # define BREATHING_PERIOD 6 #endif typedef union { uint8_t raw; struct { bool enable : 1; bool breathing : 1; uint8_t reserved : 1; // Reserved for possible future backlight modes uint8_t level : 5; }; } backlight_config_t; void backlight_init(void); void backlight_toggle(void); void backlight_enable(void); void backlight_disable(void); bool is_backlight_enabled(void); void backlight_step(void); void backlight_increase(void); void backlight_decrease(void); void backlight_level_noeeprom(uint8_t level); void backlight_level(uint8_t level); uint8_t get_backlight_level(void); void eeconfig_update_backlight_current(void); // implementation specific void backlight_init_ports(void); void backlight_set(uint8_t level); void backlight_task(void); #ifdef BACKLIGHT_BREATHING void backlight_toggle_breathing(void); void backlight_enable_breathing(void); void backlight_disable_breathing(void); bool is_backlight_breathing(void); void breathing_period_set(uint8_t value); uint8_t get_breathing_period(void); void breathing_period_default(void); void breathing_period_inc(void); void breathing_period_dec(void); void breathing_toggle(void); // implementation specific void breathing_enable(void); void breathing_disable(void); bool is_breathing(void); void breathing_pulse(void); #endif