diff options
Diffstat (limited to 'tmk_core/common/backlight.c')
| -rw-r--r-- | tmk_core/common/backlight.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/tmk_core/common/backlight.c b/tmk_core/common/backlight.c new file mode 100644 index 0000000000..d03bfe931b --- /dev/null +++ b/tmk_core/common/backlight.c @@ -0,0 +1,93 @@ +/* +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; + +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); +} + +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); +} + +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); +} + +void backlight_toggle(void) +{ + backlight_config.enable ^= 1; + eeconfig_update_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_update_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_update_backlight(backlight_config.raw); + backlight_set(backlight_config.level); +} + +uint8_t get_backlight_level(void) +{ + return backlight_config.level; +}
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