2014-03-11 03:12:47 +00:00
/*
Copyright 2014 Kai Ryu < kai1103 @ gmail . com >
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"
2014-12-10 10:51:11 +00:00
# ifdef SOFTPWM_LED_ENABLE
# include "softpwm_led.h"
# else
2014-04-28 07:39:43 +00:00
# include "breathing_led.h"
2014-12-10 10:51:11 +00:00
# endif
# include "action.h"
# ifdef BACKLIGHT_ENABLE
2014-03-11 03:12:47 +00:00
static const uint8_t backlight_table [ ] PROGMEM = {
0 , 16 , 128 , 255
} ;
2014-07-05 12:16:38 +00:00
inline void backlight_set_raw ( uint8_t raw ) ;
2014-12-10 10:51:11 +00:00
# ifdef SOFTPWM_LED_ENABLE
# ifdef FADING_LED_ENABLE
static uint8_t backlight_mode ;
# endif
# endif
2014-03-11 03:12:47 +00:00
/* Backlight pin configuration
2014-12-10 10:51:11 +00:00
* PWM : PB7 ( OC1C )
2014-03-11 03:12:47 +00:00
*/
2014-12-10 10:51:11 +00:00
# ifndef SOFTPWM_LED_ENABLE
2014-04-28 07:39:43 +00:00
void backlight_enable ( void )
{
// Turn on PWM
cli ( ) ;
DDRB | = ( 1 < < PB7 ) ;
TCCR1A | = ( ( 1 < < WGM10 ) | ( 1 < < COM1C1 ) ) ;
TCCR1B | = ( ( 1 < < CS11 ) | ( 1 < < CS10 ) ) ;
sei ( ) ;
}
void backlight_disable ( void )
{
// Turn off PWM
cli ( ) ;
DDRB & = ~ ( 1 < < PB7 ) ;
TCCR1A & = ~ ( ( 1 < < WGM10 ) | ( 1 < < COM1C1 ) ) ;
TCCR1B & = ~ ( ( 1 < < CS11 ) | ( 1 < < CS10 ) ) ;
sei ( ) ;
}
2014-12-10 10:51:11 +00:00
# endif
2014-04-28 07:39:43 +00:00
2014-03-11 03:12:47 +00:00
void backlight_set ( uint8_t level )
{
2014-12-10 10:51:11 +00:00
# ifdef FADING_LED_ENABLE
backlight_mode = level ;
# endif
2014-04-28 07:39:43 +00:00
# ifdef BREATHING_LED_ENABLE
switch ( level ) {
case 1 :
case 2 :
case 3 :
2014-12-10 10:51:11 +00:00
# ifdef SOFTPWM_LED_ENABLE
softpwm_led_enable ( ) ;
# ifdef FADING_LED_ENABLE
fading_led_disable_all ( ) ;
# endif
breathing_led_disable_all ( ) ;
# else
2014-04-28 07:39:43 +00:00
backlight_enable ( ) ;
breathing_led_disable ( ) ;
2014-12-10 10:51:11 +00:00
# endif
2014-04-28 07:39:43 +00:00
backlight_set_raw ( pgm_read_byte ( & backlight_table [ level ] ) ) ;
break ;
case 4 :
case 5 :
case 6 :
2014-12-10 10:51:11 +00:00
# ifdef SOFTPWM_LED_ENABLE
softpwm_led_enable ( ) ;
# ifdef FADING_LED_ENABLE
fading_led_disable_all ( ) ;
# endif
breathing_led_enable_all ( ) ;
# else
2014-04-28 07:39:43 +00:00
backlight_enable ( ) ;
breathing_led_enable ( ) ;
2014-12-10 10:51:11 +00:00
# endif
2014-04-28 07:39:43 +00:00
breathing_led_set_duration ( 6 - level ) ;
break ;
2014-12-10 10:51:11 +00:00
# ifdef SOFTPWM_LED_ENABLE
# ifdef FADING_LED_ENABLE
case 7 :
softpwm_led_enable ( ) ;
fading_led_enable_all ( ) ;
breathing_led_disable_all ( ) ;
2015-05-22 09:20:57 +00:00
fading_led_set_direction_all ( FADING_LED_FADE_IN ) ;
2014-12-10 10:51:11 +00:00
fading_led_set_duration ( 3 ) ;
break ;
case 8 :
softpwm_led_enable ( ) ;
fading_led_enable_all ( ) ;
breathing_led_disable_all ( ) ;
2015-05-22 09:20:57 +00:00
fading_led_set_direction_all ( FADING_LED_FADE_OUT ) ;
2014-12-10 10:51:11 +00:00
fading_led_set_duration ( 3 ) ;
break ;
# endif
# endif
2014-04-28 07:39:43 +00:00
case 0 :
default :
2014-12-10 10:51:11 +00:00
# ifdef SOFTPWM_LED_ENABLE
# ifdef FADING_LED_ENABLE
fading_led_disable_all ( ) ;
# endif
breathing_led_disable_all ( ) ;
softpwm_led_disable ( ) ;
# else
2014-04-28 07:39:43 +00:00
breathing_led_disable ( ) ;
backlight_disable ( ) ;
2014-12-10 10:51:11 +00:00
# endif
2014-04-28 07:39:43 +00:00
break ;
}
# else
2014-03-11 03:12:47 +00:00
if ( level > 0 ) {
2014-04-28 07:39:43 +00:00
backlight_enable ( ) ;
backlight_set_raw ( pgm_read_byte ( & backlight_table [ level ] ) ) ;
2014-03-11 03:12:47 +00:00
}
else {
2014-04-28 07:39:43 +00:00
backlight_disable ( ) ;
2014-03-11 03:12:47 +00:00
}
2014-04-28 07:39:43 +00:00
# endif
2014-12-10 10:51:11 +00:00
2014-04-28 07:39:43 +00:00
}
2014-12-10 10:51:11 +00:00
# ifndef SOFTPWM_LED_ENABLE
2014-04-28 07:39:43 +00:00
# ifdef BREATHING_LED_ENABLE
void breathing_led_set_raw ( uint8_t raw )
{
backlight_set_raw ( raw ) ;
}
# endif
2014-12-10 10:51:11 +00:00
# endif
2014-04-28 07:39:43 +00:00
inline void backlight_set_raw ( uint8_t raw )
{
2014-12-10 10:51:11 +00:00
# ifdef SOFTPWM_LED_ENABLE
softpwm_led_set_all ( raw ) ;
# else
2014-04-28 07:39:43 +00:00
OCR1C = raw ;
2014-12-10 10:51:11 +00:00
# endif
}
# ifndef LEDMAP_ENABLE
# ifdef SOFTPWM_LED_ENABLE
void softpwm_led_init ( void )
{
DDRB | = ( 1 < < PB7 ) ;
}
void softpwm_led_on ( uint8_t index )
{
PORTB | = ( 1 < < PB7 ) ;
}
void softpwm_led_off ( uint8_t index )
{
PORTB & = ~ ( 1 < < PB7 ) ;
2014-03-11 03:12:47 +00:00
}
2014-12-10 10:51:11 +00:00
# endif
# endif
# ifdef SOFTPWM_LED_ENABLE
# ifdef FADING_LED_ENABLE
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
# endif
# endif