1 #include <avr/eeprom.h>
2 #include <avr/interrupt.h>
3 #include <util/delay.h>
9 // Lightness curve using the CIE 1931 lightness formula
10 //Generated by the python script provided in http://jared.geek.nz/2013/feb/linear-led-pwm
11 const uint8_t DIM_CURVE[] PROGMEM = {
12 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
13 1, 1, 1, 1, 2, 2, 2, 2, 2, 2,
14 2, 2, 2, 3, 3, 3, 3, 3, 3, 3,
15 3, 4, 4, 4, 4, 4, 4, 5, 5, 5,
16 5, 5, 6, 6, 6, 6, 6, 7, 7, 7,
17 7, 8, 8, 8, 8, 9, 9, 9, 10, 10,
18 10, 10, 11, 11, 11, 12, 12, 12, 13, 13,
19 13, 14, 14, 15, 15, 15, 16, 16, 17, 17,
20 17, 18, 18, 19, 19, 20, 20, 21, 21, 22,
21 22, 23, 23, 24, 24, 25, 25, 26, 26, 27,
22 28, 28, 29, 29, 30, 31, 31, 32, 32, 33,
23 34, 34, 35, 36, 37, 37, 38, 39, 39, 40,
24 41, 42, 43, 43, 44, 45, 46, 47, 47, 48,
25 49, 50, 51, 52, 53, 54, 54, 55, 56, 57,
26 58, 59, 60, 61, 62, 63, 64, 65, 66, 67,
27 68, 70, 71, 72, 73, 74, 75, 76, 77, 79,
28 80, 81, 82, 83, 85, 86, 87, 88, 90, 91,
29 92, 94, 95, 96, 98, 99, 100, 102, 103, 105,
30 106, 108, 109, 110, 112, 113, 115, 116, 118, 120,
31 121, 123, 124, 126, 128, 129, 131, 132, 134, 136,
32 138, 139, 141, 143, 145, 146, 148, 150, 152, 154,
33 155, 157, 159, 161, 163, 165, 167, 169, 171, 173,
34 175, 177, 179, 181, 183, 185, 187, 189, 191, 193,
35 196, 198, 200, 202, 204, 207, 209, 211, 214, 216,
36 218, 220, 223, 225, 228, 230, 232, 235, 237, 240,
37 242, 245, 247, 250, 252, 255,
40 const uint8_t RGBLED_BREATHING_TABLE[] PROGMEM = {
41 0, 0, 0, 0, 1, 1, 1, 2, 2, 3, 4, 5, 5, 6, 7, 9,
42 10, 11, 12, 14, 15, 17, 18, 20, 21, 23, 25, 27, 29, 31, 33, 35,
43 37, 40, 42, 44, 47, 49, 52, 54, 57, 59, 62, 65, 67, 70, 73, 76,
44 79, 82, 85, 88, 90, 93, 97, 100, 103, 106, 109, 112, 115, 118, 121, 124,
45 127, 131, 134, 137, 140, 143, 146, 149, 152, 155, 158, 162, 165, 167, 170, 173,
46 176, 179, 182, 185, 188, 190, 193, 196, 198, 201, 203, 206, 208, 211, 213, 215,
47 218, 220, 222, 224, 226, 228, 230, 232, 234, 235, 237, 238, 240, 241, 243, 244,
48 245, 246, 248, 249, 250, 250, 251, 252, 253, 253, 254, 254, 254, 255, 255, 255,
49 255, 255, 255, 255, 254, 254, 254, 253, 253, 252, 251, 250, 250, 249, 248, 246,
50 245, 244, 243, 241, 240, 238, 237, 235, 234, 232, 230, 228, 226, 224, 222, 220,
51 218, 215, 213, 211, 208, 206, 203, 201, 198, 196, 193, 190, 188, 185, 182, 179,
52 176, 173, 170, 167, 165, 162, 158, 155, 152, 149, 146, 143, 140, 137, 134, 131,
53 128, 124, 121, 118, 115, 112, 109, 106, 103, 100, 97, 93, 90, 88, 85, 82,
54 79, 76, 73, 70, 67, 65, 62, 59, 57, 54, 52, 49, 47, 44, 42, 40,
55 37, 35, 33, 31, 29, 27, 25, 23, 21, 20, 18, 17, 15, 14, 12, 11,
56 10, 9, 7, 6, 5, 5, 4, 3, 2, 2, 1, 1, 1, 0, 0, 0
59 __attribute__ ((weak))
60 const uint8_t RGBLED_BREATHING_INTERVALS[] PROGMEM = {30, 20, 10, 5};
61 __attribute__ ((weak))
62 const uint8_t RGBLED_RAINBOW_MOOD_INTERVALS[] PROGMEM = {120, 60, 30};
63 __attribute__ ((weak))
64 const uint8_t RGBLED_RAINBOW_SWIRL_INTERVALS[] PROGMEM = {100, 50, 20};
65 __attribute__ ((weak))
66 const uint8_t RGBLED_SNAKE_INTERVALS[] PROGMEM = {100, 50, 20};
67 __attribute__ ((weak))
68 const uint8_t RGBLED_KNIGHT_INTERVALS[] PROGMEM = {100, 50, 20};
69 __attribute__ ((weak))
70 const uint16_t RGBLED_GRADIENT_RANGES[] PROGMEM = {360, 240, 180, 120, 90};
72 rgblight_config_t rgblight_config;
73 rgblight_config_t inmem_config;
75 LED_TYPE led[RGBLED_NUM];
76 uint8_t rgblight_inited = 0;
77 bool rgblight_timer_enabled = false;
79 void sethsv(uint16_t hue, uint8_t sat, uint8_t val, LED_TYPE *led1) {
80 uint8_t r = 0, g = 0, b = 0, base, color;
82 if (sat == 0) { // Acromatic color (gray). Hue doesn't mind.
87 base = ((255 - sat) * val) >> 8;
88 color = (val - base) * (hue % 60) / 60;
123 r = pgm_read_byte(&DIM_CURVE[r]);
124 g = pgm_read_byte(&DIM_CURVE[g]);
125 b = pgm_read_byte(&DIM_CURVE[b]);
127 setrgb(r, g, b, led1);
130 void setrgb(uint8_t r, uint8_t g, uint8_t b, LED_TYPE *led1) {
137 uint32_t eeconfig_read_rgblight(void) {
138 return eeprom_read_dword(EECONFIG_RGBLIGHT);
140 void eeconfig_update_rgblight(uint32_t val) {
141 eeprom_update_dword(EECONFIG_RGBLIGHT, val);
143 void eeconfig_update_rgblight_default(void) {
144 dprintf("eeconfig_update_rgblight_default\n");
145 rgblight_config.enable = 1;
146 rgblight_config.mode = 1;
147 rgblight_config.hue = 0;
148 rgblight_config.sat = 255;
149 rgblight_config.val = 255;
150 eeconfig_update_rgblight(rgblight_config.raw);
152 void eeconfig_debug_rgblight(void) {
153 dprintf("rgblight_config eprom\n");
154 dprintf("rgblight_config.enable = %d\n", rgblight_config.enable);
155 dprintf("rghlight_config.mode = %d\n", rgblight_config.mode);
156 dprintf("rgblight_config.hue = %d\n", rgblight_config.hue);
157 dprintf("rgblight_config.sat = %d\n", rgblight_config.sat);
158 dprintf("rgblight_config.val = %d\n", rgblight_config.val);
161 void rgblight_init(void) {
162 debug_enable = 1; // Debug ON!
163 dprintf("rgblight_init called.\n");
165 dprintf("rgblight_init start!\n");
166 if (!eeconfig_is_enabled()) {
167 dprintf("rgblight_init eeconfig is not enabled.\n");
169 eeconfig_update_rgblight_default();
171 rgblight_config.raw = eeconfig_read_rgblight();
172 if (!rgblight_config.mode) {
173 dprintf("rgblight_init rgblight_config.mode = 0. Write default values to EEPROM.\n");
174 eeconfig_update_rgblight_default();
175 rgblight_config.raw = eeconfig_read_rgblight();
177 eeconfig_debug_rgblight(); // display current eeprom values
179 #ifdef RGBLIGHT_ANIMATIONS
180 rgblight_timer_init(); // setup the timer
183 if (rgblight_config.enable) {
184 rgblight_mode(rgblight_config.mode);
188 void rgblight_update_dword(uint32_t dword) {
189 rgblight_config.raw = dword;
190 eeconfig_update_rgblight(rgblight_config.raw);
191 if (rgblight_config.enable)
192 rgblight_mode(rgblight_config.mode);
194 #ifdef RGBLIGHT_ANIMATIONS
195 rgblight_timer_disable();
201 void rgblight_increase(void) {
203 if (rgblight_config.mode < RGBLIGHT_MODES) {
204 mode = rgblight_config.mode + 1;
208 void rgblight_decrease(void) {
210 // Mode will never be < 1. If it ever is, eeprom needs to be initialized.
211 if (rgblight_config.mode > 1) {
212 mode = rgblight_config.mode - 1;
216 void rgblight_step(void) {
218 mode = rgblight_config.mode + 1;
219 if (mode > RGBLIGHT_MODES) {
224 void rgblight_step_reverse(void) {
226 mode = rgblight_config.mode - 1;
228 mode = RGBLIGHT_MODES;
233 void rgblight_mode(uint8_t mode) {
234 if (!rgblight_config.enable) {
238 rgblight_config.mode = 1;
239 } else if (mode > RGBLIGHT_MODES) {
240 rgblight_config.mode = RGBLIGHT_MODES;
242 rgblight_config.mode = mode;
244 eeconfig_update_rgblight(rgblight_config.raw);
245 xprintf("rgblight mode: %u\n", rgblight_config.mode);
246 if (rgblight_config.mode == 1) {
247 #ifdef RGBLIGHT_ANIMATIONS
248 rgblight_timer_disable();
250 } else if (rgblight_config.mode >= 2 && rgblight_config.mode <= 24) {
251 // MODE 2-5, breathing
252 // MODE 6-8, rainbow mood
253 // MODE 9-14, rainbow swirl
255 // MODE 21-23, knight
257 #ifdef RGBLIGHT_ANIMATIONS
258 rgblight_timer_enable();
260 } else if (rgblight_config.mode >= 25 && rgblight_config.mode <= 34) {
261 // MODE 25-34, static gradient
263 #ifdef RGBLIGHT_ANIMATIONS
264 rgblight_timer_disable();
267 rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
270 void rgblight_toggle(void) {
271 rgblight_config.enable ^= 1;
272 eeconfig_update_rgblight(rgblight_config.raw);
273 xprintf("rgblight toggle: rgblight_config.enable = %u\n", rgblight_config.enable);
274 if (rgblight_config.enable) {
275 rgblight_mode(rgblight_config.mode);
277 #ifdef RGBLIGHT_ANIMATIONS
278 rgblight_timer_disable();
285 void rgblight_enable(void) {
286 rgblight_config.enable = 1;
287 eeconfig_update_rgblight(rgblight_config.raw);
288 xprintf("rgblight enable: rgblight_config.enable = %u\n", rgblight_config.enable);
289 rgblight_mode(rgblight_config.mode);
293 void rgblight_increase_hue(void) {
295 hue = (rgblight_config.hue+RGBLIGHT_HUE_STEP) % 360;
296 rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
298 void rgblight_decrease_hue(void) {
300 if (rgblight_config.hue-RGBLIGHT_HUE_STEP < 0) {
301 hue = (rgblight_config.hue + 360 - RGBLIGHT_HUE_STEP) % 360;
303 hue = (rgblight_config.hue - RGBLIGHT_HUE_STEP) % 360;
305 rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
307 void rgblight_increase_sat(void) {
309 if (rgblight_config.sat + RGBLIGHT_SAT_STEP > 255) {
312 sat = rgblight_config.sat + RGBLIGHT_SAT_STEP;
314 rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
316 void rgblight_decrease_sat(void) {
318 if (rgblight_config.sat - RGBLIGHT_SAT_STEP < 0) {
321 sat = rgblight_config.sat - RGBLIGHT_SAT_STEP;
323 rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
325 void rgblight_increase_val(void) {
327 if (rgblight_config.val + RGBLIGHT_VAL_STEP > 255) {
330 val = rgblight_config.val + RGBLIGHT_VAL_STEP;
332 rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
334 void rgblight_decrease_val(void) {
336 if (rgblight_config.val - RGBLIGHT_VAL_STEP < 0) {
339 val = rgblight_config.val - RGBLIGHT_VAL_STEP;
341 rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
344 void rgblight_sethsv_noeeprom(uint16_t hue, uint8_t sat, uint8_t val) {
345 inmem_config.raw = rgblight_config.raw;
346 if (rgblight_config.enable) {
348 sethsv(hue, sat, val, &tmp_led);
349 inmem_config.hue = hue;
350 inmem_config.sat = sat;
351 inmem_config.val = val;
352 // dprintf("rgblight set hue [MEMORY]: %u,%u,%u\n", inmem_config.hue, inmem_config.sat, inmem_config.val);
353 rgblight_setrgb(tmp_led.r, tmp_led.g, tmp_led.b);
356 void rgblight_sethsv(uint16_t hue, uint8_t sat, uint8_t val) {
357 if (rgblight_config.enable) {
358 if (rgblight_config.mode == 1) {
360 rgblight_sethsv_noeeprom(hue, sat, val);
362 // all LEDs in same color
363 if (rgblight_config.mode >= 2 && rgblight_config.mode <= 5) {
364 // breathing mode, ignore the change of val, use in memory value instead
365 val = rgblight_config.val;
366 } else if (rgblight_config.mode >= 6 && rgblight_config.mode <= 14) {
367 // rainbow mood and rainbow swirl, ignore the change of hue
368 hue = rgblight_config.hue;
369 } else if (rgblight_config.mode >= 25 && rgblight_config.mode <= 34) {
372 int8_t direction = ((rgblight_config.mode - 25) % 2) ? -1 : 1;
373 uint16_t range = pgm_read_word(&RGBLED_GRADIENT_RANGES[(rgblight_config.mode - 25) / 2]);
374 for (uint8_t i = 0; i < RGBLED_NUM; i++) {
375 _hue = (range / RGBLED_NUM * i * direction + hue + 360) % 360;
376 dprintf("rgblight rainbow set hsv: %u,%u,%d,%u\n", i, _hue, direction, range);
377 sethsv(_hue, sat, val, (LED_TYPE *)&led[i]);
382 rgblight_config.hue = hue;
383 rgblight_config.sat = sat;
384 rgblight_config.val = val;
385 eeconfig_update_rgblight(rgblight_config.raw);
386 xprintf("rgblight set hsv [EEPROM]: %u,%u,%u\n", rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
390 void rgblight_setrgb(uint8_t r, uint8_t g, uint8_t b) {
391 // dprintf("rgblight set rgb: %u,%u,%u\n", r,g,b);
392 for (uint8_t i = 0; i < RGBLED_NUM; i++) {
400 __attribute__ ((weak))
401 void rgblight_set(void) {
402 if (rgblight_config.enable) {
404 ws2812_setleds_rgbw(led, RGBLED_NUM);
406 ws2812_setleds(led, RGBLED_NUM);
409 for (uint8_t i = 0; i < RGBLED_NUM; i++) {
415 ws2812_setleds_rgbw(led, RGBLED_NUM);
417 ws2812_setleds(led, RGBLED_NUM);
422 #ifdef RGBLIGHT_ANIMATIONS
424 // Animation timer -- AVR Timer3
425 void rgblight_timer_init(void) {
426 // static uint8_t rgblight_timer_is_init = 0;
427 // if (rgblight_timer_is_init) {
430 // rgblight_timer_is_init = 1;
431 // /* Timer 3 setup */
432 // TCCR3B = _BV(WGM32) // CTC mode OCR3A as TOP
433 // | _BV(CS30); // Clock selelct: clk/1
434 // /* Set TOP value */
435 // uint8_t sreg = SREG;
437 // OCR3AH = (RGBLED_TIMER_TOP >> 8) & 0xff;
438 // OCR3AL = RGBLED_TIMER_TOP & 0xff;
441 rgblight_timer_enabled = true;
443 void rgblight_timer_enable(void) {
444 rgblight_timer_enabled = true;
445 dprintf("TIMER3 enabled.\n");
447 void rgblight_timer_disable(void) {
448 rgblight_timer_enabled = false;
449 dprintf("TIMER3 disabled.\n");
451 void rgblight_timer_toggle(void) {
452 rgblight_timer_enabled ^= rgblight_timer_enabled;
453 dprintf("TIMER3 toggled.\n");
456 void rgblight_show_solid_color(uint8_t r, uint8_t g, uint8_t b) {
459 rgblight_setrgb(r, g, b);
462 void rgblight_task(void) {
463 if (rgblight_timer_enabled) {
464 // mode = 1, static light, do nothing here
465 if (rgblight_config.mode >= 2 && rgblight_config.mode <= 5) {
466 // mode = 2 to 5, breathing mode
467 rgblight_effect_breathing(rgblight_config.mode - 2);
468 } else if (rgblight_config.mode >= 6 && rgblight_config.mode <= 8) {
469 // mode = 6 to 8, rainbow mood mod
470 rgblight_effect_rainbow_mood(rgblight_config.mode - 6);
471 } else if (rgblight_config.mode >= 9 && rgblight_config.mode <= 14) {
472 // mode = 9 to 14, rainbow swirl mode
473 rgblight_effect_rainbow_swirl(rgblight_config.mode - 9);
474 } else if (rgblight_config.mode >= 15 && rgblight_config.mode <= 20) {
475 // mode = 15 to 20, snake mode
476 rgblight_effect_snake(rgblight_config.mode - 15);
477 } else if (rgblight_config.mode >= 21 && rgblight_config.mode <= 23) {
478 // mode = 21 to 23, knight mode
479 rgblight_effect_knight(rgblight_config.mode - 21);
480 } else if (rgblight_config.mode == 24) {
481 // mode = 24, christmas mode
482 rgblight_effect_christmas();
488 void rgblight_effect_breathing(uint8_t interval) {
489 static uint8_t pos = 0;
490 static uint16_t last_timer = 0;
492 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_BREATHING_INTERVALS[interval])) {
495 last_timer = timer_read();
497 rgblight_sethsv_noeeprom(rgblight_config.hue, rgblight_config.sat, pgm_read_byte(&RGBLED_BREATHING_TABLE[pos]));
498 pos = (pos + 1) % 256;
500 void rgblight_effect_rainbow_mood(uint8_t interval) {
501 static uint16_t current_hue = 0;
502 static uint16_t last_timer = 0;
504 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval])) {
507 last_timer = timer_read();
508 rgblight_sethsv_noeeprom(current_hue, rgblight_config.sat, rgblight_config.val);
509 current_hue = (current_hue + 1) % 360;
511 void rgblight_effect_rainbow_swirl(uint8_t interval) {
512 static uint16_t current_hue = 0;
513 static uint16_t last_timer = 0;
516 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval / 2])) {
519 last_timer = timer_read();
520 for (i = 0; i < RGBLED_NUM; i++) {
521 hue = (360 / RGBLED_NUM * i + current_hue) % 360;
522 sethsv(hue, rgblight_config.sat, rgblight_config.val, (LED_TYPE *)&led[i]);
527 current_hue = (current_hue + 1) % 360;
529 if (current_hue - 1 < 0) {
532 current_hue = current_hue - 1;
536 void rgblight_effect_snake(uint8_t interval) {
537 static uint8_t pos = 0;
538 static uint16_t last_timer = 0;
541 int8_t increment = 1;
545 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_SNAKE_INTERVALS[interval / 2])) {
548 last_timer = timer_read();
549 for (i = 0; i < RGBLED_NUM; i++) {
553 for (j = 0; j < RGBLIGHT_EFFECT_SNAKE_LENGTH; j++) {
554 k = pos + j * increment;
559 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]);
564 if (increment == 1) {
566 pos = RGBLED_NUM - 1;
571 pos = (pos + 1) % RGBLED_NUM;
574 void rgblight_effect_knight(uint8_t interval) {
575 static int8_t pos = 0;
576 static uint16_t last_timer = 0;
579 LED_TYPE preled[RGBLED_NUM];
580 static int8_t increment = -1;
581 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_KNIGHT_INTERVALS[interval])) {
584 last_timer = timer_read();
585 for (i = 0; i < RGBLED_NUM; i++) {
589 for (j = 0; j < RGBLIGHT_EFFECT_KNIGHT_LENGTH; j++) {
590 k = pos + j * increment;
594 if (k >= RGBLED_NUM) {
598 sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val, (LED_TYPE *)&preled[i]);
602 if (RGBLIGHT_EFFECT_KNIGHT_OFFSET) {
603 for (i = 0; i < RGBLED_NUM; i++) {
604 cur = (i + RGBLIGHT_EFFECT_KNIGHT_OFFSET) % RGBLED_NUM;
605 led[i].r = preled[cur].r;
606 led[i].g = preled[cur].g;
607 led[i].b = preled[cur].b;
611 if (increment == 1) {
612 if (pos - 1 < 0 - RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
613 pos = 0 - RGBLIGHT_EFFECT_KNIGHT_LENGTH;
619 if (pos + 1 > RGBLED_NUM + RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
620 pos = RGBLED_NUM + RGBLIGHT_EFFECT_KNIGHT_LENGTH - 1;
629 void rgblight_effect_christmas(void) {
630 static uint16_t current_offset = 0;
631 static uint16_t last_timer = 0;
634 if (timer_elapsed(last_timer) < RGBLIGHT_EFFECT_CHRISTMAS_INTERVAL) {
637 last_timer = timer_read();
638 current_offset = (current_offset + 1) % 2;
639 for (i = 0; i < RGBLED_NUM; i++) {
640 hue = 0 + ((i/RGBLIGHT_EFFECT_CHRISTMAS_STEP + current_offset) % 2) * 120;
641 sethsv(hue, rgblight_config.sat, rgblight_config.val, (LED_TYPE *)&led[i]);