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tmk_keyboard_custom/common/backlight.c

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/*
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();
backlight_set(backlight_config.enable ? backlight_config.level : 0);
}
void backlight_increase(void)
{
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#ifdef BACKLIGHT_CUSTOM
if (backlight_config.enable) {
if (backlight_config.level < BACKLIGHT_LEVELS) {
backlight_config.level++;
eeconfig_write_backlight(backlight_config.raw);
}
dprintf("backlight custom increase: %u\n", backlight_config.level);
backlight_set(backlight_config.level);
}
#else
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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);
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#endif
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}
void backlight_decrease(void)
{
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#ifdef BACKLIGHT_CUSTOM
if (backlight_config.enable) {
if(backlight_config.level > 1)
{
backlight_config.level--;
eeconfig_write_backlight(backlight_config.raw);
}
dprintf("backlight custom decrease: %u\n", backlight_config.level);
backlight_set(backlight_config.level);
}
#else
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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);
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#endif
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}
void backlight_toggle(void)
{
backlight_config.enable ^= 1;
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if (backlight_config.enable)
{
if (backlight_config.level == 0) {
backlight_config.level = 1;
}
}
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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);
}