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Add breathing backlight support for smart68

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This commit is contained in:
Kai Ryu 2014-04-28 16:39:43 +09:00
parent d8f4801f34
commit 58d598d5ee
3 changed files with 64 additions and 16 deletions
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1
keyboard/smart68/Makefile
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@ -131,6 +131,7 @@ NKRO_ENABLE = yes # USB Nkey Rollover - not yet supported in LUFA
BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality
KEYMAP_EX_ENABLE = yes # External keymap in eeprom KEYMAP_EX_ENABLE = yes # External keymap in eeprom
KEYMAP_SECTION_ENABLE = yes # Fixed address keymap for keymap editor KEYMAP_SECTION_ENABLE = yes # Fixed address keymap for keymap editor
BREATHING_LED_ENABLE = yes # Enable breathing backlight
# Optimize size but this may cause error "relocation truncated to fit" # Optimize size but this may cause error "relocation truncated to fit"

75
keyboard/smart68/backlight.c
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@ -19,6 +19,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include <avr/interrupt.h> #include <avr/interrupt.h>
#include <avr/pgmspace.h> #include <avr/pgmspace.h>
#include "backlight.h" #include "backlight.h"
#include "breathing_led.h"
static const uint8_t backlight_table[] PROGMEM = { static const uint8_t backlight_table[] PROGMEM = {
0, 16, 128, 255 0, 16, 128, 255
@ -27,26 +28,68 @@ static const uint8_t backlight_table[] PROGMEM = {
/* Backlight pin configuration /* Backlight pin configuration
* PWM: PB7 * PWM: PB7
*/ */
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();
}
void backlight_set(uint8_t level) void backlight_set(uint8_t level)
{ {
#ifdef BREATHING_LED_ENABLE
switch (level) {
case 1:
case 2:
case 3:
backlight_enable();
breathing_led_disable();
backlight_set_raw(pgm_read_byte(&backlight_table[level]));
break;
case 4:
case 5:
case 6:
backlight_enable();
breathing_led_enable();
breathing_led_set_duration(6 - level);
break;
case 0:
default:
breathing_led_disable();
backlight_disable();
break;
}
#else
if (level > 0) { if (level > 0) {
// Turn on PWM backlight_enable();
cli(); backlight_set_raw(pgm_read_byte(&backlight_table[level]));
DDRB |= (1<<PB7);
TCCR1A |= ( (1<<WGM10) | (1<<COM1C1) );
TCCR1B |= ( (1<<CS11) | (1<<CS10) );
sei();
// Set PWM
OCR1C = pgm_read_byte(&backlight_table[level]);
} }
else { else {
// Turn off PWM backlight_disable();
cli();
DDRB &= ~(1<<PB7);
TCCR1A &= ~( (1<<WGM10) | (1<<COM1C1) );
TCCR1B &= ~( (1<<CS11) | (1<<CS10) );
sei();
// Set PWM
OCR1C = 0;
} }
#endif
}
#ifdef BREATHING_LED_ENABLE
void breathing_led_set_raw(uint8_t raw)
{
backlight_set_raw(raw);
}
#endif
inline void backlight_set_raw(uint8_t raw)
{
OCR1C = raw;
} }

4
keyboard/smart68/config.h
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@ -42,7 +42,11 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define DEBOUNCE 5 #define DEBOUNCE 5
/* number of backlight levels */ /* number of backlight levels */
#ifdef BREATHING_LED_ENABLE
#define BACKLIGHT_LEVELS 6
#else
#define BACKLIGHT_LEVELS 3 #define BACKLIGHT_LEVELS 3
#endif
/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */ /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
#define LOCKING_SUPPORT_ENABLE #define LOCKING_SUPPORT_ENABLE