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- /*
- Copyright 2013 Mathias Andersson <[email protected]>
-
- 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/>.
- */
-
- #include "backlight.h"
- #include "eeconfig.h"
- #include "debug.h"
-
- backlight_config_t backlight_config;
-
- void backlight_init(void)
- {
- /* check signature */
- if (!eeconfig_is_enabled()) {
- eeconfig_init();
- }
- backlight_config.raw = eeconfig_read_backlight();
- backlight_set(backlight_config.enable ? backlight_config.level : 0);
- }
-
- void backlight_increase(void)
- {
- if(backlight_config.level < BACKLIGHT_LEVELS)
- {
- backlight_config.level++;
- backlight_config.enable = 1;
- eeconfig_write_backlight(backlight_config.raw);
- }
- dprintf("backlight increase: %u\n", backlight_config.level);
- backlight_set(backlight_config.level);
- }
-
- void backlight_decrease(void)
- {
- if(backlight_config.level > 0)
- {
- backlight_config.level--;
- backlight_config.enable = !!backlight_config.level;
- eeconfig_write_backlight(backlight_config.raw);
- }
- dprintf("backlight decrease: %u\n", backlight_config.level);
- backlight_set(backlight_config.level);
- }
-
- void backlight_toggle(void)
- {
- backlight_config.enable ^= 1;
- eeconfig_write_backlight(backlight_config.raw);
- dprintf("backlight toggle: %u\n", backlight_config.enable);
- backlight_set(backlight_config.enable ? backlight_config.level : 0);
- }
-
- void backlight_step(void)
- {
- backlight_config.level++;
- if(backlight_config.level > BACKLIGHT_LEVELS)
- {
- backlight_config.level = 0;
- }
- backlight_config.enable = !!backlight_config.level;
- eeconfig_write_backlight(backlight_config.raw);
- dprintf("backlight step: %u\n", backlight_config.level);
- backlight_set(backlight_config.level);
- }
-
- void backlight_level(uint8_t level)
- {
- backlight_config.level ^= level;
- backlight_config.enable = !!backlight_config.level;
- eeconfig_write_backlight(backlight_config.raw);
- backlight_set(backlight_config.level);
- }
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