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;
72 struct cRGB led[RGBLED_NUM];
73 uint8_t rgblight_inited = 0;
76 void sethsv(uint16_t hue, uint8_t sat, uint8_t val, struct cRGB *led1) {
77 uint8_t r = 0, g = 0, b = 0, base, color;
79 if (sat == 0) { // Acromatic color (gray). Hue doesn't mind.
84 base = ((255 - sat) * val) >> 8;
85 color = (val - base) * (hue % 60) / 60;
120 r = pgm_read_byte(&DIM_CURVE[r]);
121 g = pgm_read_byte(&DIM_CURVE[g]);
122 b = pgm_read_byte(&DIM_CURVE[b]);
124 setrgb(r, g, b, led1);
127 void setrgb(uint8_t r, uint8_t g, uint8_t b, struct cRGB *led1) {
134 uint32_t eeconfig_read_rgblight(void) {
135 return eeprom_read_dword(EECONFIG_RGBLIGHT);
137 void eeconfig_update_rgblight(uint32_t val) {
138 eeprom_update_dword(EECONFIG_RGBLIGHT, val);
140 void eeconfig_update_rgblight_default(void) {
141 dprintf("eeconfig_update_rgblight_default\n");
142 rgblight_config.enable = 1;
143 rgblight_config.mode = 1;
144 rgblight_config.hue = 200;
145 rgblight_config.sat = 204;
146 rgblight_config.val = 204;
147 eeconfig_update_rgblight(rgblight_config.raw);
149 void eeconfig_debug_rgblight(void) {
150 dprintf("rgblight_config eprom\n");
151 dprintf("rgblight_config.enable = %d\n", rgblight_config.enable);
152 dprintf("rghlight_config.mode = %d\n", rgblight_config.mode);
153 dprintf("rgblight_config.hue = %d\n", rgblight_config.hue);
154 dprintf("rgblight_config.sat = %d\n", rgblight_config.sat);
155 dprintf("rgblight_config.val = %d\n", rgblight_config.val);
158 void rgblight_init(void) {
159 debug_enable = 1; // Debug ON!
160 dprintf("rgblight_init called.\n");
162 dprintf("rgblight_init start!\n");
163 if (!eeconfig_is_enabled()) {
164 dprintf("rgblight_init eeconfig is not enabled.\n");
166 eeconfig_update_rgblight_default();
168 rgblight_config.raw = eeconfig_read_rgblight();
169 if (!rgblight_config.mode) {
170 dprintf("rgblight_init rgblight_config.mode = 0. Write default values to EEPROM.\n");
171 eeconfig_update_rgblight_default();
172 rgblight_config.raw = eeconfig_read_rgblight();
174 eeconfig_debug_rgblight(); // display current eeprom values
176 #if !defined(AUDIO_ENABLE) && defined(RGBLIGHT_TIMER)
177 rgblight_timer_init(); // setup the timer
180 if (rgblight_config.enable) {
181 rgblight_mode(rgblight_config.mode);
185 void rgblight_increase(void) {
187 if (rgblight_config.mode < RGBLIGHT_MODES) {
188 mode = rgblight_config.mode + 1;
192 void rgblight_decrease(void) {
194 // Mode will never be < 1. If it ever is, eeprom needs to be initialized.
195 if (rgblight_config.mode > 1) {
196 mode = rgblight_config.mode - 1;
200 void rgblight_step(void) {
202 mode = rgblight_config.mode + 1;
203 if (mode > RGBLIGHT_MODES) {
209 void rgblight_mode(uint8_t mode) {
210 if (!rgblight_config.enable) {
214 rgblight_config.mode = 1;
215 } else if (mode > RGBLIGHT_MODES) {
216 rgblight_config.mode = RGBLIGHT_MODES;
218 rgblight_config.mode = mode;
220 eeconfig_update_rgblight(rgblight_config.raw);
221 xprintf("rgblight mode: %u\n", rgblight_config.mode);
222 if (rgblight_config.mode == 1) {
223 #if !defined(AUDIO_ENABLE) && defined(RGBLIGHT_TIMER)
224 rgblight_timer_disable();
226 } else if (rgblight_config.mode >= 2 && rgblight_config.mode <= 23) {
227 // MODE 2-5, breathing
228 // MODE 6-8, rainbow mood
229 // MODE 9-14, rainbow swirl
231 // MODE 21-23, knight
233 #if !defined(AUDIO_ENABLE) && defined(RGBLIGHT_TIMER)
234 rgblight_timer_enable();
237 rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
240 void rgblight_toggle(void) {
241 rgblight_config.enable ^= 1;
242 eeconfig_update_rgblight(rgblight_config.raw);
243 xprintf("rgblight toggle: rgblight_config.enable = %u\n", rgblight_config.enable);
244 if (rgblight_config.enable) {
245 rgblight_mode(rgblight_config.mode);
247 #if !defined(AUDIO_ENABLE) && defined(RGBLIGHT_TIMER)
248 rgblight_timer_disable();
256 void rgblight_increase_hue(void) {
258 hue = (rgblight_config.hue+RGBLIGHT_HUE_STEP) % 360;
259 rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
261 void rgblight_decrease_hue(void) {
263 if (rgblight_config.hue-RGBLIGHT_HUE_STEP < 0) {
264 hue = (rgblight_config.hue + 360 - RGBLIGHT_HUE_STEP) % 360;
266 hue = (rgblight_config.hue - RGBLIGHT_HUE_STEP) % 360;
268 rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
270 void rgblight_increase_sat(void) {
272 if (rgblight_config.sat + RGBLIGHT_SAT_STEP > 255) {
275 sat = rgblight_config.sat + RGBLIGHT_SAT_STEP;
277 rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
279 void rgblight_decrease_sat(void) {
281 if (rgblight_config.sat - RGBLIGHT_SAT_STEP < 0) {
284 sat = rgblight_config.sat - RGBLIGHT_SAT_STEP;
286 rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
288 void rgblight_increase_val(void) {
290 if (rgblight_config.val + RGBLIGHT_VAL_STEP > 255) {
293 val = rgblight_config.val + RGBLIGHT_VAL_STEP;
295 rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
297 void rgblight_decrease_val(void) {
299 if (rgblight_config.val - RGBLIGHT_VAL_STEP < 0) {
302 val = rgblight_config.val - RGBLIGHT_VAL_STEP;
304 rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
307 void rgblight_sethsv_noeeprom(uint16_t hue, uint8_t sat, uint8_t val) {
308 inmem_config.raw = rgblight_config.raw;
309 if (rgblight_config.enable) {
311 sethsv(hue, sat, val, &tmp_led);
312 inmem_config.hue = hue;
313 inmem_config.sat = sat;
314 inmem_config.val = val;
315 // dprintf("rgblight set hue [MEMORY]: %u,%u,%u\n", inmem_config.hue, inmem_config.sat, inmem_config.val);
316 rgblight_setrgb(tmp_led.r, tmp_led.g, tmp_led.b);
319 void rgblight_sethsv(uint16_t hue, uint8_t sat, uint8_t val) {
320 if (rgblight_config.enable) {
321 if (rgblight_config.mode == 1) {
323 rgblight_sethsv_noeeprom(hue, sat, val);
325 // all LEDs in same color
326 if (rgblight_config.mode >= 2 && rgblight_config.mode <= 5) {
327 // breathing mode, ignore the change of val, use in memory value instead
328 val = rgblight_config.val;
329 } else if (rgblight_config.mode >= 6 && rgblight_config.mode <= 14) {
330 // rainbow mood and rainbow swirl, ignore the change of hue
331 hue = rgblight_config.hue;
334 rgblight_config.hue = hue;
335 rgblight_config.sat = sat;
336 rgblight_config.val = val;
337 eeconfig_update_rgblight(rgblight_config.raw);
338 xprintf("rgblight set hsv [EEPROM]: %u,%u,%u\n", rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
342 void rgblight_setrgb(uint8_t r, uint8_t g, uint8_t b) {
343 // dprintf("rgblight set rgb: %u,%u,%u\n", r,g,b);
344 for (uint8_t i = 0; i < RGBLED_NUM; i++) {
352 void rgblight_set(void) {
353 if (rgblight_config.enable) {
354 ws2812_setleds(led, RGBLED_NUM);
356 for (uint8_t i = 0; i < RGBLED_NUM; i++) {
361 ws2812_setleds(led, RGBLED_NUM);
365 #if !defined(AUDIO_ENABLE) && defined(RGBLIGHT_TIMER)
367 // Animation timer -- AVR Timer3
368 void rgblight_timer_init(void) {
369 static uint8_t rgblight_timer_is_init = 0;
370 if (rgblight_timer_is_init) {
373 rgblight_timer_is_init = 1;
375 TCCR3B = _BV(WGM32) //CTC mode OCR3A as TOP
376 | _BV(CS30); //Clock selelct: clk/1
380 OCR3AH = (RGBLED_TIMER_TOP >> 8) & 0xff;
381 OCR3AL = RGBLED_TIMER_TOP & 0xff;
384 void rgblight_timer_enable(void) {
385 TIMSK3 |= _BV(OCIE3A);
386 dprintf("TIMER3 enabled.\n");
388 void rgblight_timer_disable(void) {
389 TIMSK3 &= ~_BV(OCIE3A);
390 dprintf("TIMER3 disabled.\n");
392 void rgblight_timer_toggle(void) {
393 TIMSK3 ^= _BV(OCIE3A);
394 dprintf("TIMER3 toggled.\n");
397 ISR(TIMER3_COMPA_vect) {
398 // mode = 1, static light, do nothing here
399 if (rgblight_config.mode >= 2 && rgblight_config.mode <= 5) {
400 // mode = 2 to 5, breathing mode
401 rgblight_effect_breathing(rgblight_config.mode - 2);
402 } else if (rgblight_config.mode >= 6 && rgblight_config.mode <= 8) {
403 // mode = 6 to 8, rainbow mood mod
404 rgblight_effect_rainbow_mood(rgblight_config.mode - 6);
405 } else if (rgblight_config.mode >= 9 && rgblight_config.mode <= 14) {
406 // mode = 9 to 14, rainbow swirl mode
407 rgblight_effect_rainbow_swirl(rgblight_config.mode - 9);
408 } else if (rgblight_config.mode >= 15 && rgblight_config.mode <= 20) {
409 // mode = 15 to 20, snake mode
410 rgblight_effect_snake(rgblight_config.mode - 15);
411 } else if (rgblight_config.mode >= 21 && rgblight_config.mode <= 23) {
412 // mode = 21 to 23, knight mode
413 rgblight_effect_knight(rgblight_config.mode - 21);
418 void rgblight_effect_breathing(uint8_t interval) {
419 static uint8_t pos = 0;
420 static uint16_t last_timer = 0;
422 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_BREATHING_INTERVALS[interval])) {
425 last_timer = timer_read();
427 rgblight_sethsv_noeeprom(rgblight_config.hue, rgblight_config.sat, pgm_read_byte(&RGBLED_BREATHING_TABLE[pos]));
428 pos = (pos + 1) % 256;
430 void rgblight_effect_rainbow_mood(uint8_t interval) {
431 static uint16_t current_hue = 0;
432 static uint16_t last_timer = 0;
434 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval])) {
437 last_timer = timer_read();
438 rgblight_sethsv_noeeprom(current_hue, rgblight_config.sat, rgblight_config.val);
439 current_hue = (current_hue + 1) % 360;
441 void rgblight_effect_rainbow_swirl(uint8_t interval) {
442 static uint16_t current_hue = 0;
443 static uint16_t last_timer = 0;
446 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval / 2])) {
449 last_timer = timer_read();
450 for (i = 0; i < RGBLED_NUM; i++) {
451 hue = (360 / RGBLED_NUM * i + current_hue) % 360;
452 sethsv(hue, rgblight_config.sat, rgblight_config.val, &led[i]);
457 current_hue = (current_hue + 1) % 360;
459 if (current_hue - 1 < 0) {
462 current_hue = current_hue - 1;
466 void rgblight_effect_snake(uint8_t interval) {
467 static uint8_t pos = 0;
468 static uint16_t last_timer = 0;
471 int8_t increment = 1;
475 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_SNAKE_INTERVALS[interval / 2])) {
478 last_timer = timer_read();
479 for (i = 0; i < RGBLED_NUM; i++) {
483 for (j = 0; j < RGBLIGHT_EFFECT_SNAKE_LENGTH; j++) {
484 k = pos + j * increment;
489 sethsv(rgblight_config.hue, rgblight_config.sat, (uint8_t)(rgblight_config.val*(RGBLIGHT_EFFECT_SNAKE_LENGTH-j)/RGBLIGHT_EFFECT_SNAKE_LENGTH), &led[i]);
494 if (increment == 1) {
496 pos = RGBLED_NUM - 1;
501 pos = (pos + 1) % RGBLED_NUM;
504 void rgblight_effect_knight(uint8_t interval) {
505 static int8_t pos = 0;
506 static uint16_t last_timer = 0;
509 struct cRGB preled[RGBLED_NUM];
510 static int8_t increment = -1;
511 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_KNIGHT_INTERVALS[interval])) {
514 last_timer = timer_read();
515 for (i = 0; i < RGBLED_NUM; i++) {
519 for (j = 0; j < RGBLIGHT_EFFECT_KNIGHT_LENGTH; j++) {
520 k = pos + j * increment;
524 if (k >= RGBLED_NUM) {
528 sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val, &preled[i]);
532 if (RGBLIGHT_EFFECT_KNIGHT_OFFSET) {
533 for (i = 0; i < RGBLED_NUM; i++) {
534 cur = (i + RGBLIGHT_EFFECT_KNIGHT_OFFSET) % RGBLED_NUM;
535 led[i].r = preled[cur].r;
536 led[i].g = preled[cur].g;
537 led[i].b = preled[cur].b;
541 if (increment == 1) {
542 if (pos - 1 < 0 - RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
543 pos = 0 - RGBLIGHT_EFFECT_KNIGHT_LENGTH;
549 if (pos + 1 > RGBLED_NUM + RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
550 pos = RGBLED_NUM + RGBLIGHT_EFFECT_KNIGHT_LENGTH - 1;