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};
70 rgblight_config_t rgblight_config;
71 rgblight_config_t inmem_config;
73 LED_TYPE led[RGBLED_NUM];
74 uint8_t rgblight_inited = 0;
75 bool rgblight_timer_enabled = false;
77 void sethsv(uint16_t hue, uint8_t sat, uint8_t val, LED_TYPE *led1) {
78 uint8_t r = 0, g = 0, b = 0, base, color;
80 if (sat == 0) { // Acromatic color (gray). Hue doesn't mind.
85 base = ((255 - sat) * val) >> 8;
86 color = (val - base) * (hue % 60) / 60;
121 r = pgm_read_byte(&DIM_CURVE[r]);
122 g = pgm_read_byte(&DIM_CURVE[g]);
123 b = pgm_read_byte(&DIM_CURVE[b]);
125 setrgb(r, g, b, led1);
128 void setrgb(uint8_t r, uint8_t g, uint8_t b, LED_TYPE *led1) {
135 uint32_t eeconfig_read_rgblight(void) {
136 return eeprom_read_dword(EECONFIG_RGBLIGHT);
138 void eeconfig_update_rgblight(uint32_t val) {
139 eeprom_update_dword(EECONFIG_RGBLIGHT, val);
141 void eeconfig_update_rgblight_default(void) {
142 dprintf("eeconfig_update_rgblight_default\n");
143 rgblight_config.enable = 1;
144 rgblight_config.mode = 1;
145 rgblight_config.hue = 0;
146 rgblight_config.sat = 255;
147 rgblight_config.val = 255;
148 eeconfig_update_rgblight(rgblight_config.raw);
150 void eeconfig_debug_rgblight(void) {
151 dprintf("rgblight_config eprom\n");
152 dprintf("rgblight_config.enable = %d\n", rgblight_config.enable);
153 dprintf("rghlight_config.mode = %d\n", rgblight_config.mode);
154 dprintf("rgblight_config.hue = %d\n", rgblight_config.hue);
155 dprintf("rgblight_config.sat = %d\n", rgblight_config.sat);
156 dprintf("rgblight_config.val = %d\n", rgblight_config.val);
159 void rgblight_init(void) {
160 debug_enable = 1; // Debug ON!
161 dprintf("rgblight_init called.\n");
163 dprintf("rgblight_init start!\n");
164 if (!eeconfig_is_enabled()) {
165 dprintf("rgblight_init eeconfig is not enabled.\n");
167 eeconfig_update_rgblight_default();
169 rgblight_config.raw = eeconfig_read_rgblight();
170 if (!rgblight_config.mode) {
171 dprintf("rgblight_init rgblight_config.mode = 0. Write default values to EEPROM.\n");
172 eeconfig_update_rgblight_default();
173 rgblight_config.raw = eeconfig_read_rgblight();
175 eeconfig_debug_rgblight(); // display current eeprom values
177 #ifdef RGBLIGHT_ANIMATIONS
178 rgblight_timer_init(); // setup the timer
181 if (rgblight_config.enable) {
182 rgblight_mode(rgblight_config.mode);
186 void rgblight_increase(void) {
188 if (rgblight_config.mode < RGBLIGHT_MODES) {
189 mode = rgblight_config.mode + 1;
193 void rgblight_decrease(void) {
195 // Mode will never be < 1. If it ever is, eeprom needs to be initialized.
196 if (rgblight_config.mode > 1) {
197 mode = rgblight_config.mode - 1;
201 void rgblight_step(void) {
203 mode = rgblight_config.mode + 1;
204 if (mode > RGBLIGHT_MODES) {
210 void rgblight_mode(uint8_t mode) {
211 if (!rgblight_config.enable) {
215 rgblight_config.mode = 1;
216 } else if (mode > RGBLIGHT_MODES) {
217 rgblight_config.mode = RGBLIGHT_MODES;
219 rgblight_config.mode = mode;
221 eeconfig_update_rgblight(rgblight_config.raw);
222 xprintf("rgblight mode: %u\n", rgblight_config.mode);
223 if (rgblight_config.mode == 1) {
224 #ifdef RGBLIGHT_ANIMATIONS
225 rgblight_timer_disable();
227 } else if (rgblight_config.mode >= 2 && rgblight_config.mode <= 23) {
228 // MODE 2-5, breathing
229 // MODE 6-8, rainbow mood
230 // MODE 9-14, rainbow swirl
232 // MODE 21-23, knight
234 #ifdef RGBLIGHT_ANIMATIONS
235 rgblight_timer_enable();
238 rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
241 void rgblight_toggle(void) {
242 rgblight_config.enable ^= 1;
243 eeconfig_update_rgblight(rgblight_config.raw);
244 xprintf("rgblight toggle: rgblight_config.enable = %u\n", rgblight_config.enable);
245 if (rgblight_config.enable) {
246 rgblight_mode(rgblight_config.mode);
248 #ifdef RGBLIGHT_ANIMATIONS
249 rgblight_timer_disable();
257 void rgblight_increase_hue(void) {
259 hue = (rgblight_config.hue+RGBLIGHT_HUE_STEP) % 360;
260 rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
262 void rgblight_decrease_hue(void) {
264 if (rgblight_config.hue-RGBLIGHT_HUE_STEP < 0) {
265 hue = (rgblight_config.hue + 360 - RGBLIGHT_HUE_STEP) % 360;
267 hue = (rgblight_config.hue - RGBLIGHT_HUE_STEP) % 360;
269 rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
271 void rgblight_increase_sat(void) {
273 if (rgblight_config.sat + RGBLIGHT_SAT_STEP > 255) {
276 sat = rgblight_config.sat + RGBLIGHT_SAT_STEP;
278 rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
280 void rgblight_decrease_sat(void) {
282 if (rgblight_config.sat - RGBLIGHT_SAT_STEP < 0) {
285 sat = rgblight_config.sat - RGBLIGHT_SAT_STEP;
287 rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
289 void rgblight_increase_val(void) {
291 if (rgblight_config.val + RGBLIGHT_VAL_STEP > 255) {
294 val = rgblight_config.val + RGBLIGHT_VAL_STEP;
296 rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
298 void rgblight_decrease_val(void) {
300 if (rgblight_config.val - RGBLIGHT_VAL_STEP < 0) {
303 val = rgblight_config.val - RGBLIGHT_VAL_STEP;
305 rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
308 void rgblight_sethsv_noeeprom(uint16_t hue, uint8_t sat, uint8_t val) {
309 inmem_config.raw = rgblight_config.raw;
310 if (rgblight_config.enable) {
312 sethsv(hue, sat, val, &tmp_led);
313 inmem_config.hue = hue;
314 inmem_config.sat = sat;
315 inmem_config.val = val;
316 // dprintf("rgblight set hue [MEMORY]: %u,%u,%u\n", inmem_config.hue, inmem_config.sat, inmem_config.val);
317 rgblight_setrgb(tmp_led.r, tmp_led.g, tmp_led.b);
320 void rgblight_sethsv(uint16_t hue, uint8_t sat, uint8_t val) {
321 if (rgblight_config.enable) {
322 if (rgblight_config.mode == 1) {
324 rgblight_sethsv_noeeprom(hue, sat, val);
326 // all LEDs in same color
327 if (rgblight_config.mode >= 2 && rgblight_config.mode <= 5) {
328 // breathing mode, ignore the change of val, use in memory value instead
329 val = rgblight_config.val;
330 } else if (rgblight_config.mode >= 6 && rgblight_config.mode <= 14) {
331 // rainbow mood and rainbow swirl, ignore the change of hue
332 hue = rgblight_config.hue;
335 rgblight_config.hue = hue;
336 rgblight_config.sat = sat;
337 rgblight_config.val = val;
338 eeconfig_update_rgblight(rgblight_config.raw);
339 xprintf("rgblight set hsv [EEPROM]: %u,%u,%u\n", rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
343 void rgblight_setrgb(uint8_t r, uint8_t g, uint8_t b) {
344 // dprintf("rgblight set rgb: %u,%u,%u\n", r,g,b);
345 for (uint8_t i = 0; i < RGBLED_NUM; i++) {
353 void rgblight_set(void) {
354 if (rgblight_config.enable) {
356 ws2812_setleds_rgbw(led, RGBLED_NUM);
358 ws2812_setleds(led, RGBLED_NUM);
361 for (uint8_t i = 0; i < RGBLED_NUM; i++) {
367 ws2812_setleds_rgbw(led, RGBLED_NUM);
369 ws2812_setleds(led, RGBLED_NUM);
374 #ifdef RGBLIGHT_ANIMATIONS
376 // Animation timer -- AVR Timer3
377 void rgblight_timer_init(void) {
378 // static uint8_t rgblight_timer_is_init = 0;
379 // if (rgblight_timer_is_init) {
382 // rgblight_timer_is_init = 1;
383 // /* Timer 3 setup */
384 // TCCR3B = _BV(WGM32) // CTC mode OCR3A as TOP
385 // | _BV(CS30); // Clock selelct: clk/1
386 // /* Set TOP value */
387 // uint8_t sreg = SREG;
389 // OCR3AH = (RGBLED_TIMER_TOP >> 8) & 0xff;
390 // OCR3AL = RGBLED_TIMER_TOP & 0xff;
393 rgblight_timer_enabled = true;
395 void rgblight_timer_enable(void) {
396 rgblight_timer_enabled = true;
397 dprintf("TIMER3 enabled.\n");
399 void rgblight_timer_disable(void) {
400 rgblight_timer_enabled = false;
401 dprintf("TIMER3 disabled.\n");
403 void rgblight_timer_toggle(void) {
404 rgblight_timer_enabled ^= rgblight_timer_enabled;
405 dprintf("TIMER3 toggled.\n");
408 void rgblight_task(void) {
409 if (rgblight_timer_enabled) {
410 // mode = 1, static light, do nothing here
411 if (rgblight_config.mode >= 2 && rgblight_config.mode <= 5) {
412 // mode = 2 to 5, breathing mode
413 rgblight_effect_breathing(rgblight_config.mode - 2);
414 } else if (rgblight_config.mode >= 6 && rgblight_config.mode <= 8) {
415 // mode = 6 to 8, rainbow mood mod
416 rgblight_effect_rainbow_mood(rgblight_config.mode - 6);
417 } else if (rgblight_config.mode >= 9 && rgblight_config.mode <= 14) {
418 // mode = 9 to 14, rainbow swirl mode
419 rgblight_effect_rainbow_swirl(rgblight_config.mode - 9);
420 } else if (rgblight_config.mode >= 15 && rgblight_config.mode <= 20) {
421 // mode = 15 to 20, snake mode
422 rgblight_effect_snake(rgblight_config.mode - 15);
423 } else if (rgblight_config.mode >= 21 && rgblight_config.mode <= 23) {
424 // mode = 21 to 23, knight mode
425 rgblight_effect_knight(rgblight_config.mode - 21);
431 void rgblight_effect_breathing(uint8_t interval) {
432 static uint8_t pos = 0;
433 static uint16_t last_timer = 0;
435 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_BREATHING_INTERVALS[interval])) {
438 last_timer = timer_read();
440 rgblight_sethsv_noeeprom(rgblight_config.hue, rgblight_config.sat, pgm_read_byte(&RGBLED_BREATHING_TABLE[pos]));
441 pos = (pos + 1) % 256;
443 void rgblight_effect_rainbow_mood(uint8_t interval) {
444 static uint16_t current_hue = 0;
445 static uint16_t last_timer = 0;
447 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval])) {
450 last_timer = timer_read();
451 rgblight_sethsv_noeeprom(current_hue, rgblight_config.sat, rgblight_config.val);
452 current_hue = (current_hue + 1) % 360;
454 void rgblight_effect_rainbow_swirl(uint8_t interval) {
455 static uint16_t current_hue = 0;
456 static uint16_t last_timer = 0;
459 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval / 2])) {
462 last_timer = timer_read();
463 for (i = 0; i < RGBLED_NUM; i++) {
464 hue = (360 / RGBLED_NUM * i + current_hue) % 360;
465 sethsv(hue, rgblight_config.sat, rgblight_config.val, (LED_TYPE *)&led[i]);
470 current_hue = (current_hue + 1) % 360;
472 if (current_hue - 1 < 0) {
475 current_hue = current_hue - 1;
479 void rgblight_effect_snake(uint8_t interval) {
480 static uint8_t pos = 0;
481 static uint16_t last_timer = 0;
484 int8_t increment = 1;
488 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_SNAKE_INTERVALS[interval / 2])) {
491 last_timer = timer_read();
492 for (i = 0; i < RGBLED_NUM; i++) {
496 for (j = 0; j < RGBLIGHT_EFFECT_SNAKE_LENGTH; j++) {
497 k = pos + j * increment;
502 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]);
507 if (increment == 1) {
509 pos = RGBLED_NUM - 1;
514 pos = (pos + 1) % RGBLED_NUM;
517 void rgblight_effect_knight(uint8_t interval) {
518 static int8_t pos = 0;
519 static uint16_t last_timer = 0;
522 LED_TYPE preled[RGBLED_NUM];
523 static int8_t increment = -1;
524 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_KNIGHT_INTERVALS[interval])) {
527 last_timer = timer_read();
528 for (i = 0; i < RGBLED_NUM; i++) {
532 for (j = 0; j < RGBLIGHT_EFFECT_KNIGHT_LENGTH; j++) {
533 k = pos + j * increment;
537 if (k >= RGBLED_NUM) {
541 sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val, (LED_TYPE *)&preled[i]);
545 if (RGBLIGHT_EFFECT_KNIGHT_OFFSET) {
546 for (i = 0; i < RGBLED_NUM; i++) {
547 cur = (i + RGBLIGHT_EFFECT_KNIGHT_OFFSET) % RGBLED_NUM;
548 led[i].r = preled[cur].r;
549 led[i].g = preled[cur].g;
550 led[i].b = preled[cur].b;
554 if (increment == 1) {
555 if (pos - 1 < 0 - RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
556 pos = 0 - RGBLIGHT_EFFECT_KNIGHT_LENGTH;
562 if (pos + 1 > RGBLED_NUM + RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
563 pos = RGBLED_NUM + RGBLIGHT_EFFECT_KNIGHT_LENGTH - 1;