- /*
- 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/>.
- */
-
- #include "backlight.h"
- #include "eeconfig.h"
- #include "debug.h"
-
- backlight_config_t backlight_config;
-
- /** \brief Backlight initialization
- *
- * FIXME: needs doc
- */
- void backlight_init(void)
- {
- /* check signature */
- if (!eeconfig_is_enabled()) {
- eeconfig_init();
- }
- backlight_config.raw = eeconfig_read_backlight();
- if (backlight_config.level > BACKLIGHT_LEVELS) {
- backlight_config.level = BACKLIGHT_LEVELS;
- }
- backlight_set(backlight_config.enable ? backlight_config.level : 0);
- }
-
- /** \brief Backlight increase
- *
- * FIXME: needs doc
- */
- void backlight_increase(void)
- {
- if(backlight_config.level < BACKLIGHT_LEVELS)
- {
- backlight_config.level++;
- }
- backlight_config.enable = 1;
- eeconfig_update_backlight(backlight_config.raw);
- dprintf("backlight increase: %u\n", backlight_config.level);
- backlight_set(backlight_config.level);
- }
-
- /** \brief Backlight decrease
- *
- * FIXME: needs doc
- */
- void backlight_decrease(void)
- {
- if(backlight_config.level > 0)
- {
- backlight_config.level--;
- backlight_config.enable = !!backlight_config.level;
- eeconfig_update_backlight(backlight_config.raw);
- }
- dprintf("backlight decrease: %u\n", backlight_config.level);
- backlight_set(backlight_config.level);
- }
-
- /** \brief Backlight toggle
- *
- * FIXME: needs doc
- */
- void backlight_toggle(void)
- {
- backlight_config.enable ^= 1;
- if (backlight_config.raw == 1) // enabled but level = 0
- backlight_config.level = 1;
- eeconfig_update_backlight(backlight_config.raw);
- dprintf("backlight toggle: %u\n", backlight_config.enable);
- backlight_set(backlight_config.enable ? backlight_config.level : 0);
- }
-
- /** \brief Backlight step through levels
- *
- * FIXME: needs doc
- */
- void backlight_step(void)
- {
- backlight_config.level++;
- if(backlight_config.level > BACKLIGHT_LEVELS)
- {
- backlight_config.level = 0;
- }
- backlight_config.enable = !!backlight_config.level;
- eeconfig_update_backlight(backlight_config.raw);
- dprintf("backlight step: %u\n", backlight_config.level);
- backlight_set(backlight_config.level);
- }
-
- /** \brief Backlight set level
- *
- * FIXME: needs doc
- */
- void backlight_level(uint8_t level)
- {
- if (level > BACKLIGHT_LEVELS)
- level = BACKLIGHT_LEVELS;
- backlight_config.level = level;
- backlight_config.enable = !!backlight_config.level;
- eeconfig_update_backlight(backlight_config.raw);
- backlight_set(backlight_config.level);
- }
-
- /** \brief Get backlight level
- *
- * FIXME: needs doc
- */
- uint8_t get_backlight_level(void)
- {
- return backlight_config.level;
- }
|