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/*
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Copyright 2013 , 2014 Kai Ryu < kai1103 @ gmail . com >
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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>
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# include <avr/pgmspace.h>
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# include "backlight.h"
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# include "softpwm_led.h"
# include "action.h"
# ifdef BACKLIGHT_ENABLE
static uint8_t backlight_mode ;
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static const uint8_t backlight_table [ ] PROGMEM = {
0 , 16 , 128 , 255
} ;
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/* Backlight pin configuration
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* PWM : PB5 ( RevRS )
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* GPIO : PF7 PF6 PF5
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*/
void backlight_set ( uint8_t level )
{
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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 ( ) ;
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fading_led_set_direction_all ( FADING_LED_FADE_IN ) ;
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fading_led_set_duration ( 4 ) ;
break ;
case 8 :
softpwm_led_enable ( ) ;
fading_led_enable_all ( ) ;
breathing_led_disable_all ( ) ;
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fading_led_set_direction_all ( FADING_LED_FADE_OUT ) ;
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fading_led_set_duration ( 2 ) ;
break ;
case 0 :
default :
fading_led_disable_all ( ) ;
breathing_led_disable_all ( ) ;
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softpwm_led_disable ( ) ;
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break ;
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}
}
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# 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 )
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{
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PORTB | = ( 1 < < PB5 ) ;
PORTF & = ~ ( 1 < < PF7 | 1 < < PF6 | 1 < < PF5 ) ;
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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 < < PB5 ) ;
PORTF | = ( 1 < < PF7 | 1 < < PF6 | 1 < < PF5 ) ;
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}
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# 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