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- /*
- Copyright 2013,2014 Kai Ryu <[email protected]>
-
- 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 <avr/io.h>
- #include <avr/interrupt.h>
- #include <avr/pgmspace.h>
- #include "backlight.h"
- #include "softpwm_led.h"
- #include "action.h"
-
- #ifdef BACKLIGHT_ENABLE
-
- static uint8_t backlight_mode;
-
- static const uint8_t backlight_table[] PROGMEM = {
- 0, 16, 128, 255
- };
-
- /* Backlight pin configuration
- * PWM: PB5 (RevRS)
- * GPIO: PF7 PF6 PF5
- */
- void backlight_set(uint8_t level)
- {
- backlight_mode = level;
- switch (level) {
- case 1:
- case 2:
- case 3:
- softpwm_led_enable();
- fading_led_disable_all();
- breathing_led_disable_all();
- softpwm_led_set_all(pgm_read_byte(&backlight_table[level]));
- break;
- case 4:
- case 5:
- case 6:
- softpwm_led_enable();
- breathing_led_enable_all();
- fading_led_disable_all();
- breathing_led_set_duration(6 - level);
- break;
- case 7:
- softpwm_led_enable();
- fading_led_enable_all();
- breathing_led_disable_all();
- fading_led_set_direction(FADING_LED_FADE_IN);
- fading_led_set_duration(4);
- break;
- case 8:
- softpwm_led_enable();
- fading_led_enable_all();
- breathing_led_disable_all();
- fading_led_set_direction(FADING_LED_FADE_OUT);
- fading_led_set_duration(2);
- break;
- case 0:
- default:
- fading_led_disable_all();
- breathing_led_disable_all();
- softpwm_led_disable();
- break;
- }
- }
-
- #ifndef LEDMAP_ENABLE
- void softpwm_led_init(void)
- {
- DDRB |= (1<<PB5);
- DDRF |= (1<<PF7 | 1<<PF6 | 1<<PF5);
- }
-
- void softpwm_led_on(uint8_t index)
- {
- PORTB |= (1<<PB5);
- PORTF &= ~(1<<PF7 | 1<<PF6 | 1<<PF5);
- }
-
- void softpwm_led_off(uint8_t index)
- {
- PORTB &= ~(1<<PB5);
- PORTF |= (1<<PF7 | 1<<PF6 | 1<<PF5);
- }
- #endif
-
- void action_keyevent(keyevent_t event)
- {
- if (backlight_mode == 7) {
- if (event.pressed) {
- softpwm_led_decrease_all(32);
- }
- }
- if (backlight_mode == 8) {
- if (event.pressed) {
- softpwm_led_increase_all(32);
- }
- }
- }
-
- #endif
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