205 lines
4.3 KiB
C
205 lines
4.3 KiB
C
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/*
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Copyright 2014 Kai Ryu <kai1103@gmail.com>
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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 <avr/io.h>
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#include <avr/interrupt.h>
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#include <avr/pgmspace.h>
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#include "backlight.h"
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#ifdef SOFTPWM_LED_ENABLE
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#include "softpwm_led.h"
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#else
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#include "breathing_led.h"
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#endif
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#include "action.h"
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#ifdef BACKLIGHT_ENABLE
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static const uint8_t backlight_table[] PROGMEM = {
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0, 16, 128, 255
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};
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inline void backlight_set_raw(uint8_t raw);
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#ifdef SOFTPWM_LED_ENABLE
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#ifdef FADING_LED_ENABLE
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static uint8_t backlight_mode;
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#endif
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#endif
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/* Backlight pin configuration
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* PWM: PB7(OC1C)
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*/
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#ifndef SOFTPWM_LED_ENABLE
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void backlight_enable(void)
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{
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// Turn on PWM
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cli();
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DDRB |= (1<<PB7);
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TCCR1A |= ( (1<<WGM10) | (1<<COM1C1) );
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TCCR1B |= ( (1<<CS11) | (1<<CS10) );
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sei();
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}
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void backlight_disable(void)
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{
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// Turn off PWM
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cli();
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DDRB &= ~(1<<PB7);
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TCCR1A &= ~( (1<<WGM10) | (1<<COM1C1) );
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TCCR1B &= ~( (1<<CS11) | (1<<CS10) );
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sei();
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}
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#endif
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void backlight_set(uint8_t level)
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{
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#ifdef FADING_LED_ENABLE
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backlight_mode = level;
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#endif
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#ifdef BREATHING_LED_ENABLE
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switch (level) {
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case 1:
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case 2:
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case 3:
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#ifdef SOFTPWM_LED_ENABLE
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softpwm_led_enable();
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#ifdef FADING_LED_ENABLE
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fading_led_disable_all();
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#endif
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breathing_led_disable_all();
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#else
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backlight_enable();
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breathing_led_disable();
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#endif
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backlight_set_raw(pgm_read_byte(&backlight_table[level]));
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break;
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case 4:
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case 5:
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case 6:
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#ifdef SOFTPWM_LED_ENABLE
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softpwm_led_enable();
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#ifdef FADING_LED_ENABLE
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fading_led_disable_all();
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#endif
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breathing_led_enable_all();
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#else
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backlight_enable();
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breathing_led_enable();
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#endif
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breathing_led_set_duration(6 - level);
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break;
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#ifdef SOFTPWM_LED_ENABLE
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#ifdef FADING_LED_ENABLE
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case 7:
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softpwm_led_enable();
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fading_led_enable_all();
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breathing_led_disable_all();
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fading_led_set_direction(FADING_LED_FADE_IN);
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fading_led_set_duration(3);
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break;
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case 8:
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softpwm_led_enable();
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fading_led_enable_all();
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breathing_led_disable_all();
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fading_led_set_direction(FADING_LED_FADE_OUT);
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fading_led_set_duration(3);
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break;
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#endif
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#endif
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case 0:
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default:
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#ifdef SOFTPWM_LED_ENABLE
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#ifdef FADING_LED_ENABLE
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fading_led_disable_all();
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#endif
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breathing_led_disable_all();
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softpwm_led_disable();
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#else
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breathing_led_disable();
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backlight_disable();
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#endif
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break;
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}
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#else
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if (level > 0) {
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backlight_enable();
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backlight_set_raw(pgm_read_byte(&backlight_table[level]));
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}
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else {
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backlight_disable();
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}
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#endif
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}
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#ifndef SOFTPWM_LED_ENABLE
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#ifdef BREATHING_LED_ENABLE
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void breathing_led_set_raw(uint8_t raw)
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{
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backlight_set_raw(raw);
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}
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#endif
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#endif
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inline void backlight_set_raw(uint8_t raw)
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{
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#ifdef SOFTPWM_LED_ENABLE
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softpwm_led_set_all(raw);
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#else
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OCR1C = raw;
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#endif
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}
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#ifndef LEDMAP_ENABLE
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#ifdef SOFTPWM_LED_ENABLE
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void softpwm_led_init(void)
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{
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DDRB |= (1<<PB7);
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}
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void softpwm_led_on(uint8_t index)
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{
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PORTB |= (1<<PB7);
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}
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void softpwm_led_off(uint8_t index)
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{
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PORTB &= ~(1<<PB7);
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}
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#endif
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#endif
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#ifdef SOFTPWM_LED_ENABLE
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#ifdef FADING_LED_ENABLE
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void action_keyevent(keyevent_t event)
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{
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if (backlight_mode == 7) {
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if (event.pressed) {
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softpwm_led_decrease_all(32);
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}
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}
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if (backlight_mode == 8) {
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if (event.pressed) {
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softpwm_led_increase_all(32);
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}
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}
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}
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#endif
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#endif
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#endif
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