@@ -58,10 +58,18 @@ ifdef SLEEP_LED_ENABLE | |||
OPT_DEFS += -DNO_SUSPEND_POWER_DOWN | |||
endif | |||
ifdef SOFTPWM_LED_ENABLE | |||
SRC += $(COMMON_DIR)/softpwm_led.c | |||
OPT_DEFS += -DSOFTPWM_LED_ENABLE | |||
ifdef BREATHING_LED_ENABLE | |||
OPT_DEFS += -DBREATHING_LED_ENABLE | |||
endif | |||
else | |||
ifdef BREATHING_LED_ENABLE | |||
SRC += $(COMMON_DIR)/breathing_led.c | |||
OPT_DEFS += -DBREATHING_LED_ENABLE | |||
endif | |||
endif | |||
ifdef BACKLIGHT_ENABLE | |||
SRC += $(COMMON_DIR)/backlight.c |
@@ -31,7 +31,11 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. | |||
#include "bootmagic.h" | |||
#include "eeconfig.h" | |||
#include "backlight.h" | |||
#ifdef SOFTPWM_LED_ENABLE | |||
#include "softpwm_led.h" | |||
#else | |||
#include "breathing_led.h" | |||
#endif | |||
#include "keymap_in_eeprom.h" | |||
#ifdef MOUSEKEY_ENABLE | |||
# include "mousekey.h" | |||
@@ -82,6 +86,10 @@ void keyboard_init(void) | |||
backlight_init(); | |||
#endif | |||
#ifdef SOFTPWM_LED_ENABLE | |||
softpwm_led_init(); | |||
#endif | |||
#ifdef BREATHING_LED_ENABLE | |||
breathing_led_init(); | |||
#endif |
@@ -0,0 +1,155 @@ | |||
#include <avr/io.h> | |||
#include <avr/interrupt.h> | |||
#include "led.h" | |||
#include "softpwm_led.h" | |||
#include "debug.h" | |||
#define SOFTPWM_LED_FREQ 64 | |||
#define SOFTPWM_LED_TIMER_TOP F_CPU / (256 * SOFTPWM_LED_FREQ) | |||
uint8_t softpwm_ocr = 0; | |||
uint8_t softpwm_ocr_buff = 0; | |||
void softpwm_led_init(void) | |||
{ | |||
#ifdef SOFTPWM_LED_TIMER3 | |||
/* Timer3 setup */ | |||
/* CTC mode */ | |||
TCCR3B |= (1<<WGM32); | |||
/* Clock selelct: clk/8 */ | |||
TCCR3B |= (1<<CS30); | |||
/* Set TOP value */ | |||
uint8_t sreg = SREG; | |||
cli(); | |||
OCR3AH = (SOFTPWM_LED_TIMER_TOP >> 8) & 0xff; | |||
OCR3AL = SOFTPWM_LED_TIMER_TOP & 0xff; | |||
SREG = sreg; | |||
#else | |||
/* Timer1 setup */ | |||
/* CTC mode */ | |||
TCCR1B |= (1<<WGM12); | |||
/* Clock selelct: clk/8 */ | |||
TCCR1B |= (1<<CS10); | |||
/* Set TOP value */ | |||
uint8_t sreg = SREG; | |||
cli(); | |||
OCR1AH = (SOFTPWM_LED_TIMER_TOP >> 8) & 0xff; | |||
OCR1AL = SOFTPWM_LED_TIMER_TOP & 0xff; | |||
SREG = sreg; | |||
#endif | |||
} | |||
void softpwm_led_enable(void) | |||
{ | |||
/* Enable Compare Match Interrupt */ | |||
#ifdef SOFTPWM_LED_TIMER3 | |||
TIMSK3 |= (1<<OCIE3A); | |||
dprintf("softpwm led on: %u\n", TIMSK3 & (1<<OCIE3A)); | |||
#else | |||
TIMSK1 |= (1<<OCIE1A); | |||
dprintf("softpwm led on: %u\n", TIMSK1 & (1<<OCIE1A)); | |||
#endif | |||
} | |||
void softpwm_led_disable(void) | |||
{ | |||
/* Disable Compare Match Interrupt */ | |||
#ifdef SOFTPWM_LED_TIMER3 | |||
TIMSK3 &= ~(1<<OCIE3A); | |||
dprintf("softpwm led off: %u\n", TIMSK3 & (1<<OCIE3A)); | |||
#else | |||
TIMSK1 &= ~(1<<OCIE1A); | |||
dprintf("softpwm led off: %u\n", TIMSK1 & (1<<OCIE1A)); | |||
#endif | |||
} | |||
void softpwm_led_toggle(void) | |||
{ | |||
/* Disable Compare Match Interrupt */ | |||
#ifdef SOFTPWM_LED_TIMER3 | |||
TIMSK3 ^= (1<<OCIE3A); | |||
dprintf("softpwm led toggle: %u\n", TIMSK3 & (1<<OCIE3A)); | |||
#else | |||
TIMSK1 ^= (1<<OCIE1A); | |||
dprintf("softpwm led toggle: %u\n", TIMSK1 & (1<<OCIE1A)); | |||
#endif | |||
} | |||
void softpwm_led_set(uint8_t val) { | |||
softpwm_ocr_buff = val; | |||
} | |||
#ifdef BREATHING_LED_ENABLE | |||
/* Breathing LED brighness(PWM On period) table | |||
* | |||
* http://www.wolframalpha.com/input/?i=Table%5Bfloor%28%28exp%28sin%28x%2F256*2*pi%2B3%2F2*pi%29%29-1%2Fe%29*%28256%2F%28e-1%2Fe%29%29%29%2C+%7Bx%2C0%2C255%2C1%7D%5D | |||
* Table[floor((exp(sin(x/256*2*pi+3/2*pi))-1/e)*(256/(e-1/e))), {x,0,255,1}] | |||
* (0..255).each {|x| print ((exp(sin(x/256.0*2*PI+3.0/2*PI))-1/E)*(256/(E-1/E))).to_i, ', ' } | |||
*/ | |||
static const uint8_t breathing_table[256] PROGMEM = { | |||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 8, 8, 9, 10, 11, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23, 25, 26, 27, 29, 30, 32, 34, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 56, 58, 61, 63, 66, 68, 71, 74, 77, 80, 83, 86, 89, 92, 95, 98, 102, 105, 108, 112, 116, 119, 123, 126, 130, 134, 138, 142, 145, 149, 153, 157, 161, 165, 169, 173, 176, 180, 184, 188, 192, 195, 199, 203, 206, 210, 213, 216, 219, 223, 226, 228, 231, 234, 236, 239, 241, 243, 245, 247, 248, 250, 251, 252, 253, 254, 255, 255, 255, 255, 255, 255, 255, 254, 253, 252, 251, 250, 248, 247, 245, 243, 241, 239, 236, 234, 231, 228, 226, 223, 219, 216, 213, 210, 206, 203, 199, 195, 192, 188, 184, 180, 176, 173, 169, 165, 161, 157, 153, 149, 145, 142, 138, 134, 130, 126, 123, 119, 116, 112, 108, 105, 102, 98, 95, 92, 89, 86, 83, 80, 77, 74, 71, 68, 66, 63, 61, 58, 56, 53, 51, 49, 47, 45, 43, 41, 39, 37, 35, 34, 32, 30, 29, 27, 26, 25, 23, 22, 21, 19, 18, 17, 16, 15, 14, 13, 12, 11, 11, 10, 9, 8, 8, 7, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 | |||
}; | |||
static uint8_t breathing_led_state = 0; | |||
static uint8_t breathing_led_duration = 0; | |||
void breathing_led_enable(void) | |||
{ | |||
breathing_led_state = 1; | |||
} | |||
void breathing_led_disable(void) | |||
{ | |||
breathing_led_state = 0; | |||
} | |||
void breathing_led_toggle(void) | |||
{ | |||
breathing_led_state ^= 1; | |||
} | |||
void breathing_led_set_duration(uint8_t dur) | |||
{ | |||
breathing_led_duration = dur; | |||
dprintf("breathing led set duration: %u\n", breathing_led_duration); | |||
} | |||
#endif | |||
#ifdef SOFTPWM_LED_TIMER3 | |||
ISR(TIMER3_COMPA_vect) | |||
#else | |||
ISR(TIMER1_COMPA_vect) | |||
#endif | |||
{ | |||
static uint8_t pwm = 0; | |||
pwm++; | |||
// LED on | |||
if (pwm == 0) { | |||
softpwm_led_on(); | |||
softpwm_ocr = softpwm_ocr_buff; | |||
} | |||
// LED off | |||
if (pwm == softpwm_ocr) { | |||
softpwm_led_off(); | |||
} | |||
#ifdef BREATHING_LED_ENABLE | |||
static uint8_t count = 0; | |||
static uint8_t index = 0; | |||
static uint8_t step = 0; | |||
if (breathing_led_state) { | |||
count++; | |||
if (count > SOFTPWM_LED_FREQ) { | |||
count = 0; | |||
step++; | |||
if (step > breathing_led_duration) { | |||
step = 0; | |||
softpwm_ocr_buff = pgm_read_byte(&breathing_table[index]); | |||
index++; | |||
} | |||
} | |||
} | |||
#endif | |||
} |
@@ -0,0 +1,40 @@ | |||
#ifndef SOFTPWM_LED_H | |||
#define SOFTPWM_LED_H | |||
#ifdef SOFTPWM_LED_ENABLE | |||
void softpwm_led_init(void); | |||
void softpwm_led_enable(void); | |||
void softpwm_led_disable(void); | |||
void softpwm_led_toggle(void); | |||
void softpwm_led_set(uint8_t val); | |||
void softpwm_led_on(void); | |||
void softpwm_led_off(void); | |||
#ifdef BREATHING_LED_ENABLE | |||
#define breathing_led_init() | |||
void breathing_led_enable(void); | |||
void breathing_led_disable(void); | |||
void breathing_led_toggle(void); | |||
void breathing_led_set_duration(uint8_t dur); | |||
#else | |||
#define breathing_led_init() | |||
#define breathing_led_enable() | |||
#define breathing_led_disable() | |||
#define breathing_led_toggle() | |||
#define breathing_led_set_duration() | |||
#endif | |||
#else | |||
#define softpwm_led_init() | |||
#define softpwm_led_enable() | |||
#define softpwm_led_disable() | |||
#define softpwm_led_toggle() | |||
#define softpwm_led_set() | |||
#define softpwm_led_on() | |||
#define softpwm_led_off() | |||
#endif | |||
#endif |