qmk-firmware/quantum/rgblight.c
2016-11-13 23:02:38 -05:00

572 lines
17 KiB
C

#include <avr/eeprom.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include "progmem.h"
#include "timer.h"
#include "rgblight.h"
#include "debug.h"
// Lightness curve using the CIE 1931 lightness formula
//Generated by the python script provided in http://jared.geek.nz/2013/feb/linear-led-pwm
const uint8_t DIM_CURVE[] PROGMEM = {
0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
1, 1, 1, 1, 2, 2, 2, 2, 2, 2,
2, 2, 2, 3, 3, 3, 3, 3, 3, 3,
3, 4, 4, 4, 4, 4, 4, 5, 5, 5,
5, 5, 6, 6, 6, 6, 6, 7, 7, 7,
7, 8, 8, 8, 8, 9, 9, 9, 10, 10,
10, 10, 11, 11, 11, 12, 12, 12, 13, 13,
13, 14, 14, 15, 15, 15, 16, 16, 17, 17,
17, 18, 18, 19, 19, 20, 20, 21, 21, 22,
22, 23, 23, 24, 24, 25, 25, 26, 26, 27,
28, 28, 29, 29, 30, 31, 31, 32, 32, 33,
34, 34, 35, 36, 37, 37, 38, 39, 39, 40,
41, 42, 43, 43, 44, 45, 46, 47, 47, 48,
49, 50, 51, 52, 53, 54, 54, 55, 56, 57,
58, 59, 60, 61, 62, 63, 64, 65, 66, 67,
68, 70, 71, 72, 73, 74, 75, 76, 77, 79,
80, 81, 82, 83, 85, 86, 87, 88, 90, 91,
92, 94, 95, 96, 98, 99, 100, 102, 103, 105,
106, 108, 109, 110, 112, 113, 115, 116, 118, 120,
121, 123, 124, 126, 128, 129, 131, 132, 134, 136,
138, 139, 141, 143, 145, 146, 148, 150, 152, 154,
155, 157, 159, 161, 163, 165, 167, 169, 171, 173,
175, 177, 179, 181, 183, 185, 187, 189, 191, 193,
196, 198, 200, 202, 204, 207, 209, 211, 214, 216,
218, 220, 223, 225, 228, 230, 232, 235, 237, 240,
242, 245, 247, 250, 252, 255,
};
const uint8_t RGBLED_BREATHING_TABLE[] PROGMEM = {
0, 0, 0, 0, 1, 1, 1, 2, 2, 3, 4, 5, 5, 6, 7, 9,
10, 11, 12, 14, 15, 17, 18, 20, 21, 23, 25, 27, 29, 31, 33, 35,
37, 40, 42, 44, 47, 49, 52, 54, 57, 59, 62, 65, 67, 70, 73, 76,
79, 82, 85, 88, 90, 93, 97, 100, 103, 106, 109, 112, 115, 118, 121, 124,
127, 131, 134, 137, 140, 143, 146, 149, 152, 155, 158, 162, 165, 167, 170, 173,
176, 179, 182, 185, 188, 190, 193, 196, 198, 201, 203, 206, 208, 211, 213, 215,
218, 220, 222, 224, 226, 228, 230, 232, 234, 235, 237, 238, 240, 241, 243, 244,
245, 246, 248, 249, 250, 250, 251, 252, 253, 253, 254, 254, 254, 255, 255, 255,
255, 255, 255, 255, 254, 254, 254, 253, 253, 252, 251, 250, 250, 249, 248, 246,
245, 244, 243, 241, 240, 238, 237, 235, 234, 232, 230, 228, 226, 224, 222, 220,
218, 215, 213, 211, 208, 206, 203, 201, 198, 196, 193, 190, 188, 185, 182, 179,
176, 173, 170, 167, 165, 162, 158, 155, 152, 149, 146, 143, 140, 137, 134, 131,
128, 124, 121, 118, 115, 112, 109, 106, 103, 100, 97, 93, 90, 88, 85, 82,
79, 76, 73, 70, 67, 65, 62, 59, 57, 54, 52, 49, 47, 44, 42, 40,
37, 35, 33, 31, 29, 27, 25, 23, 21, 20, 18, 17, 15, 14, 12, 11,
10, 9, 7, 6, 5, 5, 4, 3, 2, 2, 1, 1, 1, 0, 0, 0
};
__attribute__ ((weak))
const uint8_t RGBLED_BREATHING_INTERVALS[] PROGMEM = {30, 20, 10, 5};
__attribute__ ((weak))
const uint8_t RGBLED_RAINBOW_MOOD_INTERVALS[] PROGMEM = {120, 60, 30};
__attribute__ ((weak))
const uint8_t RGBLED_RAINBOW_SWIRL_INTERVALS[] PROGMEM = {100, 50, 20};
__attribute__ ((weak))
const uint8_t RGBLED_SNAKE_INTERVALS[] PROGMEM = {100, 50, 20};
__attribute__ ((weak))
const uint8_t RGBLED_KNIGHT_INTERVALS[] PROGMEM = {100, 50, 20};
rgblight_config_t rgblight_config;
rgblight_config_t inmem_config;
LED_TYPE led[RGBLED_NUM];
uint8_t rgblight_inited = 0;
bool rgblight_timer_enabled = false;
void sethsv(uint16_t hue, uint8_t sat, uint8_t val, LED_TYPE *led1) {
uint8_t r = 0, g = 0, b = 0, base, color;
if (sat == 0) { // Acromatic color (gray). Hue doesn't mind.
r = val;
g = val;
b = val;
} else {
base = ((255 - sat) * val) >> 8;
color = (val - base) * (hue % 60) / 60;
switch (hue / 60) {
case 0:
r = val;
g = base + color;
b = base;
break;
case 1:
r = val - color;
g = val;
b = base;
break;
case 2:
r = base;
g = val;
b = base + color;
break;
case 3:
r = base;
g = val - color;
b = val;
break;
case 4:
r = base + color;
g = base;
b = val;
break;
case 5:
r = val;
g = base;
b = val - color;
break;
}
}
r = pgm_read_byte(&DIM_CURVE[r]);
g = pgm_read_byte(&DIM_CURVE[g]);
b = pgm_read_byte(&DIM_CURVE[b]);
setrgb(r, g, b, led1);
}
void setrgb(uint8_t r, uint8_t g, uint8_t b, LED_TYPE *led1) {
(*led1).r = r;
(*led1).g = g;
(*led1).b = b;
}
uint32_t eeconfig_read_rgblight(void) {
return eeprom_read_dword(EECONFIG_RGBLIGHT);
}
void eeconfig_update_rgblight(uint32_t val) {
eeprom_update_dword(EECONFIG_RGBLIGHT, val);
}
void eeconfig_update_rgblight_default(void) {
dprintf("eeconfig_update_rgblight_default\n");
rgblight_config.enable = 1;
rgblight_config.mode = 1;
rgblight_config.hue = 0;
rgblight_config.sat = 255;
rgblight_config.val = 255;
eeconfig_update_rgblight(rgblight_config.raw);
}
void eeconfig_debug_rgblight(void) {
dprintf("rgblight_config eprom\n");
dprintf("rgblight_config.enable = %d\n", rgblight_config.enable);
dprintf("rghlight_config.mode = %d\n", rgblight_config.mode);
dprintf("rgblight_config.hue = %d\n", rgblight_config.hue);
dprintf("rgblight_config.sat = %d\n", rgblight_config.sat);
dprintf("rgblight_config.val = %d\n", rgblight_config.val);
}
void rgblight_init(void) {
debug_enable = 1; // Debug ON!
dprintf("rgblight_init called.\n");
rgblight_inited = 1;
dprintf("rgblight_init start!\n");
if (!eeconfig_is_enabled()) {
dprintf("rgblight_init eeconfig is not enabled.\n");
eeconfig_init();
eeconfig_update_rgblight_default();
}
rgblight_config.raw = eeconfig_read_rgblight();
if (!rgblight_config.mode) {
dprintf("rgblight_init rgblight_config.mode = 0. Write default values to EEPROM.\n");
eeconfig_update_rgblight_default();
rgblight_config.raw = eeconfig_read_rgblight();
}
eeconfig_debug_rgblight(); // display current eeprom values
#if !defined(AUDIO_ENABLE) && defined(RGBLIGHT_TIMER)
rgblight_timer_init(); // setup the timer
#endif
if (rgblight_config.enable) {
rgblight_mode(rgblight_config.mode);
}
}
void rgblight_increase(void) {
uint8_t mode = 0;
if (rgblight_config.mode < RGBLIGHT_MODES) {
mode = rgblight_config.mode + 1;
}
rgblight_mode(mode);
}
void rgblight_decrease(void) {
uint8_t mode = 0;
// Mode will never be < 1. If it ever is, eeprom needs to be initialized.
if (rgblight_config.mode > 1) {
mode = rgblight_config.mode - 1;
}
rgblight_mode(mode);
}
void rgblight_step(void) {
uint8_t mode = 0;
mode = rgblight_config.mode + 1;
if (mode > RGBLIGHT_MODES) {
mode = 1;
}
rgblight_mode(mode);
}
void rgblight_mode(uint8_t mode) {
if (!rgblight_config.enable) {
return;
}
if (mode < 1) {
rgblight_config.mode = 1;
} else if (mode > RGBLIGHT_MODES) {
rgblight_config.mode = RGBLIGHT_MODES;
} else {
rgblight_config.mode = mode;
}
eeconfig_update_rgblight(rgblight_config.raw);
xprintf("rgblight mode: %u\n", rgblight_config.mode);
if (rgblight_config.mode == 1) {
#if !defined(AUDIO_ENABLE) && defined(RGBLIGHT_TIMER)
rgblight_timer_disable();
#endif
} else if (rgblight_config.mode >= 2 && rgblight_config.mode <= 23) {
// MODE 2-5, breathing
// MODE 6-8, rainbow mood
// MODE 9-14, rainbow swirl
// MODE 15-20, snake
// MODE 21-23, knight
#if !defined(AUDIO_ENABLE) && defined(RGBLIGHT_TIMER)
rgblight_timer_enable();
#endif
}
rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
}
void rgblight_toggle(void) {
rgblight_config.enable ^= 1;
eeconfig_update_rgblight(rgblight_config.raw);
xprintf("rgblight toggle: rgblight_config.enable = %u\n", rgblight_config.enable);
if (rgblight_config.enable) {
rgblight_mode(rgblight_config.mode);
} else {
#if !defined(AUDIO_ENABLE) && defined(RGBLIGHT_TIMER)
rgblight_timer_disable();
#endif
_delay_ms(50);
rgblight_set();
}
}
void rgblight_increase_hue(void) {
uint16_t hue;
hue = (rgblight_config.hue+RGBLIGHT_HUE_STEP) % 360;
rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
}
void rgblight_decrease_hue(void) {
uint16_t hue;
if (rgblight_config.hue-RGBLIGHT_HUE_STEP < 0) {
hue = (rgblight_config.hue + 360 - RGBLIGHT_HUE_STEP) % 360;
} else {
hue = (rgblight_config.hue - RGBLIGHT_HUE_STEP) % 360;
}
rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
}
void rgblight_increase_sat(void) {
uint8_t sat;
if (rgblight_config.sat + RGBLIGHT_SAT_STEP > 255) {
sat = 255;
} else {
sat = rgblight_config.sat + RGBLIGHT_SAT_STEP;
}
rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
}
void rgblight_decrease_sat(void) {
uint8_t sat;
if (rgblight_config.sat - RGBLIGHT_SAT_STEP < 0) {
sat = 0;
} else {
sat = rgblight_config.sat - RGBLIGHT_SAT_STEP;
}
rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
}
void rgblight_increase_val(void) {
uint8_t val;
if (rgblight_config.val + RGBLIGHT_VAL_STEP > 255) {
val = 255;
} else {
val = rgblight_config.val + RGBLIGHT_VAL_STEP;
}
rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
}
void rgblight_decrease_val(void) {
uint8_t val;
if (rgblight_config.val - RGBLIGHT_VAL_STEP < 0) {
val = 0;
} else {
val = rgblight_config.val - RGBLIGHT_VAL_STEP;
}
rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
}
void rgblight_sethsv_noeeprom(uint16_t hue, uint8_t sat, uint8_t val) {
inmem_config.raw = rgblight_config.raw;
if (rgblight_config.enable) {
LED_TYPE tmp_led;
sethsv(hue, sat, val, &tmp_led);
inmem_config.hue = hue;
inmem_config.sat = sat;
inmem_config.val = val;
// dprintf("rgblight set hue [MEMORY]: %u,%u,%u\n", inmem_config.hue, inmem_config.sat, inmem_config.val);
rgblight_setrgb(tmp_led.r, tmp_led.g, tmp_led.b);
}
}
void rgblight_sethsv(uint16_t hue, uint8_t sat, uint8_t val) {
if (rgblight_config.enable) {
if (rgblight_config.mode == 1) {
// same static color
rgblight_sethsv_noeeprom(hue, sat, val);
} else {
// all LEDs in same color
if (rgblight_config.mode >= 2 && rgblight_config.mode <= 5) {
// breathing mode, ignore the change of val, use in memory value instead
val = rgblight_config.val;
} else if (rgblight_config.mode >= 6 && rgblight_config.mode <= 14) {
// rainbow mood and rainbow swirl, ignore the change of hue
hue = rgblight_config.hue;
}
}
rgblight_config.hue = hue;
rgblight_config.sat = sat;
rgblight_config.val = val;
eeconfig_update_rgblight(rgblight_config.raw);
xprintf("rgblight set hsv [EEPROM]: %u,%u,%u\n", rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
}
}
void rgblight_setrgb(uint8_t r, uint8_t g, uint8_t b) {
// dprintf("rgblight set rgb: %u,%u,%u\n", r,g,b);
for (uint8_t i = 0; i < RGBLED_NUM; i++) {
led[i].r = r;
led[i].g = g;
led[i].b = b;
}
rgblight_set();
}
void rgblight_set(void) {
if (rgblight_config.enable) {
#ifdef RGBW
ws2812_setleds_rgbw(led, RGBLED_NUM);
#else
ws2812_setleds(led, RGBLED_NUM);
#endif
} else {
for (uint8_t i = 0; i < RGBLED_NUM; i++) {
led[i].r = 0;
led[i].g = 0;
led[i].b = 0;
}
#ifdef RGBW
ws2812_setleds_rgbw(led, RGBLED_NUM);
#else
ws2812_setleds(led, RGBLED_NUM);
#endif
}
}
#if !defined(AUDIO_ENABLE) && defined(RGBLIGHT_TIMER)
// Animation timer -- AVR Timer3
void rgblight_timer_init(void) {
// static uint8_t rgblight_timer_is_init = 0;
// if (rgblight_timer_is_init) {
// return;
// }
// rgblight_timer_is_init = 1;
// /* Timer 3 setup */
// TCCR3B = _BV(WGM32) // CTC mode OCR3A as TOP
// | _BV(CS30); // Clock selelct: clk/1
// /* Set TOP value */
// uint8_t sreg = SREG;
// cli();
// OCR3AH = (RGBLED_TIMER_TOP >> 8) & 0xff;
// OCR3AL = RGBLED_TIMER_TOP & 0xff;
// SREG = sreg;
rgblight_timer_enabled = true;
}
void rgblight_timer_enable(void) {
rgblight_timer_enabled = true;
dprintf("TIMER3 enabled.\n");
}
void rgblight_timer_disable(void) {
rgblight_timer_enabled = false;
dprintf("TIMER3 disabled.\n");
}
void rgblight_timer_toggle(void) {
rgblight_timer_enabled ^= rgblight_timer_enabled;
dprintf("TIMER3 toggled.\n");
}
void rgblight_task(void) {
if (rgblight_timer_enabled) {
// mode = 1, static light, do nothing here
if (rgblight_config.mode >= 2 && rgblight_config.mode <= 5) {
// mode = 2 to 5, breathing mode
rgblight_effect_breathing(rgblight_config.mode - 2);
} else if (rgblight_config.mode >= 6 && rgblight_config.mode <= 8) {
// mode = 6 to 8, rainbow mood mod
rgblight_effect_rainbow_mood(rgblight_config.mode - 6);
} else if (rgblight_config.mode >= 9 && rgblight_config.mode <= 14) {
// mode = 9 to 14, rainbow swirl mode
rgblight_effect_rainbow_swirl(rgblight_config.mode - 9);
} else if (rgblight_config.mode >= 15 && rgblight_config.mode <= 20) {
// mode = 15 to 20, snake mode
rgblight_effect_snake(rgblight_config.mode - 15);
} else if (rgblight_config.mode >= 21 && rgblight_config.mode <= 23) {
// mode = 21 to 23, knight mode
rgblight_effect_knight(rgblight_config.mode - 21);
}
}
}
// Effects
void rgblight_effect_breathing(uint8_t interval) {
static uint8_t pos = 0;
static uint16_t last_timer = 0;
if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_BREATHING_INTERVALS[interval])) {
return;
}
last_timer = timer_read();
rgblight_sethsv_noeeprom(rgblight_config.hue, rgblight_config.sat, pgm_read_byte(&RGBLED_BREATHING_TABLE[pos]));
pos = (pos + 1) % 256;
}
void rgblight_effect_rainbow_mood(uint8_t interval) {
static uint16_t current_hue = 0;
static uint16_t last_timer = 0;
if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval])) {
return;
}
last_timer = timer_read();
rgblight_sethsv_noeeprom(current_hue, rgblight_config.sat, rgblight_config.val);
current_hue = (current_hue + 1) % 360;
}
void rgblight_effect_rainbow_swirl(uint8_t interval) {
static uint16_t current_hue = 0;
static uint16_t last_timer = 0;
uint16_t hue;
uint8_t i;
if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval / 2])) {
return;
}
last_timer = timer_read();
for (i = 0; i < RGBLED_NUM; i++) {
hue = (360 / RGBLED_NUM * i + current_hue) % 360;
sethsv(hue, rgblight_config.sat, rgblight_config.val, (LED_TYPE *)&led[i]);
}
rgblight_set();
if (interval % 2) {
current_hue = (current_hue + 1) % 360;
} else {
if (current_hue - 1 < 0) {
current_hue = 359;
} else {
current_hue = current_hue - 1;
}
}
}
void rgblight_effect_snake(uint8_t interval) {
static uint8_t pos = 0;
static uint16_t last_timer = 0;
uint8_t i, j;
int8_t k;
int8_t increment = 1;
if (interval % 2) {
increment = -1;
}
if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_SNAKE_INTERVALS[interval / 2])) {
return;
}
last_timer = timer_read();
for (i = 0; i < RGBLED_NUM; i++) {
led[i].r = 0;
led[i].g = 0;
led[i].b = 0;
for (j = 0; j < RGBLIGHT_EFFECT_SNAKE_LENGTH; j++) {
k = pos + j * increment;
if (k < 0) {
k = k + RGBLED_NUM;
}
if (i == k) {
sethsv(rgblight_config.hue, rgblight_config.sat, (uint8_t)(rgblight_config.val*(RGBLIGHT_EFFECT_SNAKE_LENGTH-j)/RGBLIGHT_EFFECT_SNAKE_LENGTH), (LED_TYPE *)&led[i]);
}
}
}
rgblight_set();
if (increment == 1) {
if (pos - 1 < 0) {
pos = RGBLED_NUM - 1;
} else {
pos -= 1;
}
} else {
pos = (pos + 1) % RGBLED_NUM;
}
}
void rgblight_effect_knight(uint8_t interval) {
static int8_t pos = 0;
static uint16_t last_timer = 0;
uint8_t i, j, cur;
int8_t k;
LED_TYPE preled[RGBLED_NUM];
static int8_t increment = -1;
if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_KNIGHT_INTERVALS[interval])) {
return;
}
last_timer = timer_read();
for (i = 0; i < RGBLED_NUM; i++) {
preled[i].r = 0;
preled[i].g = 0;
preled[i].b = 0;
for (j = 0; j < RGBLIGHT_EFFECT_KNIGHT_LENGTH; j++) {
k = pos + j * increment;
if (k < 0) {
k = 0;
}
if (k >= RGBLED_NUM) {
k = RGBLED_NUM - 1;
}
if (i == k) {
sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val, (LED_TYPE *)&preled[i]);
}
}
}
if (RGBLIGHT_EFFECT_KNIGHT_OFFSET) {
for (i = 0; i < RGBLED_NUM; i++) {
cur = (i + RGBLIGHT_EFFECT_KNIGHT_OFFSET) % RGBLED_NUM;
led[i].r = preled[cur].r;
led[i].g = preled[cur].g;
led[i].b = preled[cur].b;
}
}
rgblight_set();
if (increment == 1) {
if (pos - 1 < 0 - RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
pos = 0 - RGBLIGHT_EFFECT_KNIGHT_LENGTH;
increment = -1;
} else {
pos -= 1;
}
} else {
if (pos + 1 > RGBLED_NUM + RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
pos = RGBLED_NUM + RGBLIGHT_EFFECT_KNIGHT_LENGTH - 1;
increment = 1;
} else {
pos += 1;
}
}
}
#endif