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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 "quantum.h"
#include "backlight.h"
#include "eeconfig.h"
#include "debug.h"
backlight_config_t backlight_config;
#ifdef BACKLIGHT_BREATHING
// TODO: migrate to backlight_config_t
static uint8_t breathing_period = BREATHING_PERIOD;
#endif
/** \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) {
bool enabled = backlight_config.enable;
dprintf("backlight toggle: %u\n", enabled);
if (enabled)
backlight_disable();
else
backlight_enable();
}
/** \brief Enable backlight
*
* FIXME: needs doc
*/
void backlight_enable(void) {
if (backlight_config.enable) return; // do nothing if backlight is already on
backlight_config.enable = true;
if (backlight_config.raw == 1) // enabled but level == 0
backlight_config.level = 1;
eeconfig_update_backlight(backlight_config.raw);
dprintf("backlight enable\n");
backlight_set(backlight_config.level);
}
/** \brief Disable backlight
*
* FIXME: needs doc
*/
void backlight_disable(void) {
if (!backlight_config.enable) return; // do nothing if backlight is already off
backlight_config.enable = false;
eeconfig_update_backlight(backlight_config.raw);
dprintf("backlight disable\n");
backlight_set(0);
}
/** /brief Get the backlight status
*
* FIXME: needs doc
*/
bool is_backlight_enabled(void) { return backlight_config.enable; }
/** \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 without EEPROM update
*
*/
void backlight_level_noeeprom(uint8_t level) {
if (level > BACKLIGHT_LEVELS) level = BACKLIGHT_LEVELS;
backlight_config.level = level;
backlight_config.enable = !!backlight_config.level;
backlight_set(backlight_config.level);
}
/** \brief Backlight set level
*
* FIXME: needs doc
*/
void backlight_level(uint8_t level) {
backlight_level_noeeprom(level);
eeconfig_update_backlight(backlight_config.raw);
}
/** \brief Update current backlight state to EEPROM
*
*/
void eeconfig_update_backlight_current(void) { eeconfig_update_backlight(backlight_config.raw); }
/** \brief Get backlight level
*
* FIXME: needs doc
*/
uint8_t get_backlight_level(void) { return backlight_config.level; }
#ifdef BACKLIGHT_BREATHING
/** \brief Backlight breathing toggle
*
* FIXME: needs doc
*/
void backlight_toggle_breathing(void) {
bool breathing = backlight_config.breathing;
dprintf("backlight breathing toggle: %u\n", breathing);
if (breathing)
backlight_disable_breathing();
else
backlight_enable_breathing();
}
/** \brief Enable backlight breathing
*
* FIXME: needs doc
*/
void backlight_enable_breathing(void) {
if (backlight_config.breathing) return; // do nothing if breathing is already on
backlight_config.breathing = true;
eeconfig_update_backlight(backlight_config.raw);
dprintf("backlight breathing enable\n");
breathing_enable();
}
/** \brief Disable backlight breathing
*
* FIXME: needs doc
*/
void backlight_disable_breathing(void) {
if (!backlight_config.breathing) return; // do nothing if breathing is already off
backlight_config.breathing = false;
eeconfig_update_backlight(backlight_config.raw);
dprintf("backlight breathing disable\n");
breathing_disable();
}
/** \brief Get the backlight breathing status
*
* FIXME: needs doc
*/
bool is_backlight_breathing(void) { return backlight_config.breathing; }
// following are marked as weak purely for backwards compatibility
__attribute__((weak)) void breathing_period_set(uint8_t value) { breathing_period = value ? value : 1; }
__attribute__((weak)) uint8_t get_breathing_period(void) { return breathing_period; }
__attribute__((weak)) void breathing_period_default(void) { breathing_period_set(BREATHING_PERIOD); }
__attribute__((weak)) void breathing_period_inc(void) { breathing_period_set(breathing_period + 1); }
__attribute__((weak)) void breathing_period_dec(void) { breathing_period_set(breathing_period - 1); }
__attribute__((weak)) void breathing_toggle(void) {
if (is_breathing())
breathing_disable();
else
breathing_enable();
}
#endif
// defaults for backlight api
__attribute__((weak)) void backlight_init_ports(void) {}
__attribute__((weak)) void backlight_set(uint8_t level) {}
__attribute__((weak)) void backlight_task(void) {}
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