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/* |
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Copyright 2013 Mathias Andersson <wraul@dbox.se> |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#include "backlight.h" |
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#include "eeconfig.h" |
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#include "debug.h" |
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backlight_config_t backlight_config; |
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void backlight_init(void) |
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{ |
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/* check signature */ |
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if (!eeconfig_is_enabled()) { |
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eeconfig_init(); |
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} |
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backlight_config.raw = eeconfig_read_backlight(); |
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backlight_set(backlight_config.enable ? backlight_config.level : 0); |
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} |
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void backlight_increase(void) |
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{ |
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if(backlight_config.level < BACKLIGHT_LEVELS) |
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{ |
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backlight_config.level++; |
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backlight_config.enable = 1; |
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eeconfig_write_backlight(backlight_config.raw); |
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} |
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dprintf("backlight increase: %u\n", backlight_config.level); |
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backlight_set(backlight_config.level); |
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} |
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void backlight_decrease(void) |
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{ |
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if(backlight_config.level > 0) |
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{ |
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backlight_config.level--; |
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backlight_config.enable = !!backlight_config.level; |
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eeconfig_write_backlight(backlight_config.raw); |
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} |
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dprintf("backlight decrease: %u\n", backlight_config.level); |
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backlight_set(backlight_config.level); |
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} |
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void backlight_toggle(void) |
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{ |
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backlight_config.enable ^= 1; |
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eeconfig_write_backlight(backlight_config.raw); |
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dprintf("backlight toggle: %u\n", backlight_config.enable); |
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backlight_set(backlight_config.enable ? backlight_config.level : 0); |
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} |
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void backlight_step(void) |
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{ |
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backlight_config.level++; |
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if(backlight_config.level > BACKLIGHT_LEVELS) |
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{ |
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backlight_config.level = 0; |
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} |
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backlight_config.enable = !!backlight_config.level; |
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eeconfig_write_backlight(backlight_config.raw); |
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dprintf("backlight step: %u\n", backlight_config.level); |
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backlight_set(backlight_config.level); |
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} |