1 #include <avr/eeprom.h>
2 #include <avr/interrupt.h>
3 #include <util/delay.h>
9 const uint8_t DIM_CURVE[] PROGMEM = {
10 0, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3,
11 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4,
12 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6,
13 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8,
14 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 11, 11, 11,
15 11, 11, 12, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 15,
16 15, 15, 16, 16, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 20,
17 20, 20, 21, 21, 22, 22, 22, 23, 23, 24, 24, 25, 25, 25, 26, 26,
18 27, 27, 28, 28, 29, 29, 30, 30, 31, 32, 32, 33, 33, 34, 35, 35,
19 36, 36, 37, 38, 38, 39, 40, 40, 41, 42, 43, 43, 44, 45, 46, 47,
20 48, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62,
21 63, 64, 65, 66, 68, 69, 70, 71, 73, 74, 75, 76, 78, 79, 81, 82,
22 83, 85, 86, 88, 90, 91, 93, 94, 96, 98, 99, 101, 103, 105, 107, 109,
23 110, 112, 114, 116, 118, 121, 123, 125, 127, 129, 132, 134, 136, 139, 141, 144,
24 146, 149, 151, 154, 157, 159, 162, 165, 168, 171, 174, 177, 180, 183, 186, 190,
25 193, 196, 200, 203, 207, 211, 214, 218, 222, 226, 230, 234, 238, 242, 248, 255
27 const uint8_t RGBLED_BREATHING_TABLE[] PROGMEM = {
28 0, 0, 0, 0, 1, 1, 1, 2, 2, 3, 4, 5, 5, 6, 7, 9,
29 10, 11, 12, 14, 15, 17, 18, 20, 21, 23, 25, 27, 29, 31, 33, 35,
30 37, 40, 42, 44, 47, 49, 52, 54, 57, 59, 62, 65, 67, 70, 73, 76,
31 79, 82, 85, 88, 90, 93, 97, 100, 103, 106, 109, 112, 115, 118, 121, 124,
32 127, 131, 134, 137, 140, 143, 146, 149, 152, 155, 158, 162, 165, 167, 170, 173,
33 176, 179, 182, 185, 188, 190, 193, 196, 198, 201, 203, 206, 208, 211, 213, 215,
34 218, 220, 222, 224, 226, 228, 230, 232, 234, 235, 237, 238, 240, 241, 243, 244,
35 245, 246, 248, 249, 250, 250, 251, 252, 253, 253, 254, 254, 254, 255, 255, 255,
36 255, 255, 255, 255, 254, 254, 254, 253, 253, 252, 251, 250, 250, 249, 248, 246,
37 245, 244, 243, 241, 240, 238, 237, 235, 234, 232, 230, 228, 226, 224, 222, 220,
38 218, 215, 213, 211, 208, 206, 203, 201, 198, 196, 193, 190, 188, 185, 182, 179,
39 176, 173, 170, 167, 165, 162, 158, 155, 152, 149, 146, 143, 140, 137, 134, 131,
40 128, 124, 121, 118, 115, 112, 109, 106, 103, 100, 97, 93, 90, 88, 85, 82,
41 79, 76, 73, 70, 67, 65, 62, 59, 57, 54, 52, 49, 47, 44, 42, 40,
42 37, 35, 33, 31, 29, 27, 25, 23, 21, 20, 18, 17, 15, 14, 12, 11,
43 10, 9, 7, 6, 5, 5, 4, 3, 2, 2, 1, 1, 1, 0, 0, 0
45 const uint8_t RGBLED_BREATHING_INTERVALS[] PROGMEM = {30, 20, 10, 5};
46 const uint8_t RGBLED_RAINBOW_MOOD_INTERVALS[] PROGMEM = {120, 60, 30};
47 const uint8_t RGBLED_RAINBOW_SWIRL_INTERVALS[] PROGMEM = {100, 50, 20};
48 const uint8_t RGBLED_SNAKE_INTERVALS[] PROGMEM = {100, 50, 20};
49 const uint8_t RGBLED_KNIGHT_INTERVALS[] PROGMEM = {100, 50, 20};
51 rgblight_config_t rgblight_config;
52 rgblight_config_t inmem_config;
53 struct cRGB led[RGBLED_NUM];
54 uint8_t rgblight_inited = 0;
57 void sethsv(uint16_t hue, uint8_t sat, uint8_t val, struct cRGB *led1) {
58 // Convert hue, saturation, and value (HSV/HSB) to RGB. DIM_CURVE is used only
59 // on value and saturation (inverted). This looks the most natural.
60 uint8_t r = 0, g = 0, b = 0, base, color;
62 val = pgm_read_byte(&DIM_CURVE[val]);
63 sat = 255 - pgm_read_byte(&DIM_CURVE[255 - sat]);
65 if (sat == 0) { // Acromatic color (gray). Hue doesn't mind.
70 base = ((255 - sat) * val) >> 8;
71 color = (val - base) * (hue % 60) / 60;
107 setrgb(r, g, b, led1);
110 void setrgb(uint8_t r, uint8_t g, uint8_t b, struct cRGB *led1) {
117 uint32_t eeconfig_read_rgblight(void) {
118 return eeprom_read_dword(EECONFIG_RGBLIGHT);
120 void eeconfig_update_rgblight(uint32_t val) {
121 eeprom_update_dword(EECONFIG_RGBLIGHT, val);
123 void eeconfig_update_rgblight_default(void) {
124 dprintf("eeconfig_update_rgblight_default\n");
125 rgblight_config.enable = 1;
126 rgblight_config.mode = 1;
127 rgblight_config.hue = 200;
128 rgblight_config.sat = 204;
129 rgblight_config.val = 204;
130 eeconfig_update_rgblight(rgblight_config.raw);
132 void eeconfig_debug_rgblight(void) {
133 dprintf("rgblight_config eprom\n");
134 dprintf("rgblight_config.enable = %d\n", rgblight_config.enable);
135 dprintf("rghlight_config.mode = %d\n", rgblight_config.mode);
136 dprintf("rgblight_config.hue = %d\n", rgblight_config.hue);
137 dprintf("rgblight_config.sat = %d\n", rgblight_config.sat);
138 dprintf("rgblight_config.val = %d\n", rgblight_config.val);
141 void rgblight_init(void) {
142 debug_enable = 1; // Debug ON!
143 dprintf("rgblight_init called.\n");
145 dprintf("rgblight_init start!\n");
146 if (!eeconfig_is_enabled()) {
147 dprintf("rgblight_init eeconfig is not enabled.\n");
149 eeconfig_update_rgblight_default();
151 rgblight_config.raw = eeconfig_read_rgblight();
152 if (!rgblight_config.mode) {
153 dprintf("rgblight_init rgblight_config.mode = 0. Write default values to EEPROM.\n");
154 eeconfig_update_rgblight_default();
155 rgblight_config.raw = eeconfig_read_rgblight();
157 eeconfig_debug_rgblight(); // display current eeprom values
159 #if !defined(AUDIO_ENABLE) && defined(RGBLIGHT_TIMER)
160 rgblight_timer_init(); // setup the timer
163 if (rgblight_config.enable) {
164 rgblight_mode(rgblight_config.mode);
168 void rgblight_increase(void) {
170 if (rgblight_config.mode < RGBLIGHT_MODES) {
171 mode = rgblight_config.mode + 1;
175 void rgblight_decrease(void) {
177 // Mode will never be < 1. If it ever is, eeprom needs to be initialized.
178 if (rgblight_config.mode > 1) {
179 mode = rgblight_config.mode - 1;
183 void rgblight_step(void) {
185 mode = rgblight_config.mode + 1;
186 if (mode > RGBLIGHT_MODES) {
192 void rgblight_mode(uint8_t mode) {
193 if (!rgblight_config.enable) {
197 rgblight_config.mode = 1;
198 } else if (mode > RGBLIGHT_MODES) {
199 rgblight_config.mode = RGBLIGHT_MODES;
201 rgblight_config.mode = mode;
203 eeconfig_update_rgblight(rgblight_config.raw);
204 xprintf("rgblight mode: %u\n", rgblight_config.mode);
205 if (rgblight_config.mode == 1) {
206 #if !defined(AUDIO_ENABLE) && defined(RGBLIGHT_TIMER)
207 rgblight_timer_disable();
209 } else if (rgblight_config.mode >= 2 && rgblight_config.mode <= 23) {
210 // MODE 2-5, breathing
211 // MODE 6-8, rainbow mood
212 // MODE 9-14, rainbow swirl
214 // MODE 21-23, knight
216 #if !defined(AUDIO_ENABLE) && defined(RGBLIGHT_TIMER)
217 rgblight_timer_enable();
220 rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
223 void rgblight_toggle(void) {
224 rgblight_config.enable ^= 1;
225 eeconfig_update_rgblight(rgblight_config.raw);
226 xprintf("rgblight toggle: rgblight_config.enable = %u\n", rgblight_config.enable);
227 if (rgblight_config.enable) {
228 rgblight_mode(rgblight_config.mode);
230 #if !defined(AUDIO_ENABLE) && defined(RGBLIGHT_TIMER)
231 rgblight_timer_disable();
239 void rgblight_increase_hue(void) {
241 hue = (rgblight_config.hue+RGBLIGHT_HUE_STEP) % 360;
242 rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
244 void rgblight_decrease_hue(void) {
246 if (rgblight_config.hue-RGBLIGHT_HUE_STEP < 0) {
247 hue = (rgblight_config.hue + 360 - RGBLIGHT_HUE_STEP) % 360;
249 hue = (rgblight_config.hue - RGBLIGHT_HUE_STEP) % 360;
251 rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
253 void rgblight_increase_sat(void) {
255 if (rgblight_config.sat + RGBLIGHT_SAT_STEP > 255) {
258 sat = rgblight_config.sat + RGBLIGHT_SAT_STEP;
260 rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
262 void rgblight_decrease_sat(void) {
264 if (rgblight_config.sat - RGBLIGHT_SAT_STEP < 0) {
267 sat = rgblight_config.sat - RGBLIGHT_SAT_STEP;
269 rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
271 void rgblight_increase_val(void) {
273 if (rgblight_config.val + RGBLIGHT_VAL_STEP > 255) {
276 val = rgblight_config.val + RGBLIGHT_VAL_STEP;
278 rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
280 void rgblight_decrease_val(void) {
282 if (rgblight_config.val - RGBLIGHT_VAL_STEP < 0) {
285 val = rgblight_config.val - RGBLIGHT_VAL_STEP;
287 rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
290 void rgblight_sethsv_noeeprom(uint16_t hue, uint8_t sat, uint8_t val) {
291 inmem_config.raw = rgblight_config.raw;
292 if (rgblight_config.enable) {
294 sethsv(hue, sat, val, &tmp_led);
295 inmem_config.hue = hue;
296 inmem_config.sat = sat;
297 inmem_config.val = val;
298 // dprintf("rgblight set hue [MEMORY]: %u,%u,%u\n", inmem_config.hue, inmem_config.sat, inmem_config.val);
299 rgblight_setrgb(tmp_led.r, tmp_led.g, tmp_led.b);
302 void rgblight_sethsv(uint16_t hue, uint8_t sat, uint8_t val) {
303 if (rgblight_config.enable) {
304 if (rgblight_config.mode == 1) {
306 rgblight_sethsv_noeeprom(hue, sat, val);
308 // all LEDs in same color
309 if (rgblight_config.mode >= 2 && rgblight_config.mode <= 5) {
310 // breathing mode, ignore the change of val, use in memory value instead
311 val = rgblight_config.val;
312 } else if (rgblight_config.mode >= 6 && rgblight_config.mode <= 14) {
313 // rainbow mood and rainbow swirl, ignore the change of hue
314 hue = rgblight_config.hue;
317 rgblight_config.hue = hue;
318 rgblight_config.sat = sat;
319 rgblight_config.val = val;
320 eeconfig_update_rgblight(rgblight_config.raw);
321 xprintf("rgblight set hsv [EEPROM]: %u,%u,%u\n", rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
325 void rgblight_setrgb(uint8_t r, uint8_t g, uint8_t b) {
326 // dprintf("rgblight set rgb: %u,%u,%u\n", r,g,b);
327 for (uint8_t i = 0; i < RGBLED_NUM; i++) {
335 void rgblight_set(void) {
336 if (rgblight_config.enable) {
337 ws2812_setleds(led, RGBLED_NUM);
339 for (uint8_t i = 0; i < RGBLED_NUM; i++) {
344 ws2812_setleds(led, RGBLED_NUM);
348 #if !defined(AUDIO_ENABLE) && defined(RGBLIGHT_TIMER)
350 // Animation timer -- AVR Timer3
351 void rgblight_timer_init(void) {
352 static uint8_t rgblight_timer_is_init = 0;
353 if (rgblight_timer_is_init) {
356 rgblight_timer_is_init = 1;
358 TCCR3B = _BV(WGM32) //CTC mode OCR3A as TOP
359 | _BV(CS30); //Clock selelct: clk/1
363 OCR3AH = (RGBLED_TIMER_TOP >> 8) & 0xff;
364 OCR3AL = RGBLED_TIMER_TOP & 0xff;
367 void rgblight_timer_enable(void) {
368 TIMSK3 |= _BV(OCIE3A);
369 dprintf("TIMER3 enabled.\n");
371 void rgblight_timer_disable(void) {
372 TIMSK3 &= ~_BV(OCIE3A);
373 dprintf("TIMER3 disabled.\n");
375 void rgblight_timer_toggle(void) {
376 TIMSK3 ^= _BV(OCIE3A);
377 dprintf("TIMER3 toggled.\n");
380 ISR(TIMER3_COMPA_vect) {
381 // mode = 1, static light, do nothing here
382 if (rgblight_config.mode >= 2 && rgblight_config.mode <= 5) {
383 // mode = 2 to 5, breathing mode
384 rgblight_effect_breathing(rgblight_config.mode - 2);
385 } else if (rgblight_config.mode >= 6 && rgblight_config.mode <= 8) {
386 // mode = 6 to 8, rainbow mood mod
387 rgblight_effect_rainbow_mood(rgblight_config.mode - 6);
388 } else if (rgblight_config.mode >= 9 && rgblight_config.mode <= 14) {
389 // mode = 9 to 14, rainbow swirl mode
390 rgblight_effect_rainbow_swirl(rgblight_config.mode - 9);
391 } else if (rgblight_config.mode >= 15 && rgblight_config.mode <= 20) {
392 // mode = 15 to 20, snake mode
393 rgblight_effect_snake(rgblight_config.mode - 15);
394 } else if (rgblight_config.mode >= 21 && rgblight_config.mode <= 23) {
395 // mode = 21 to 23, knight mode
396 rgblight_effect_knight(rgblight_config.mode - 21);
401 void rgblight_effect_breathing(uint8_t interval) {
402 static uint8_t pos = 0;
403 static uint16_t last_timer = 0;
405 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_BREATHING_INTERVALS[interval])) {
408 last_timer = timer_read();
410 rgblight_sethsv_noeeprom(rgblight_config.hue, rgblight_config.sat, pgm_read_byte(&RGBLED_BREATHING_TABLE[pos]));
411 pos = (pos + 1) % 256;
413 void rgblight_effect_rainbow_mood(uint8_t interval) {
414 static uint16_t current_hue = 0;
415 static uint16_t last_timer = 0;
417 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval])) {
420 last_timer = timer_read();
421 rgblight_sethsv_noeeprom(current_hue, rgblight_config.sat, rgblight_config.val);
422 current_hue = (current_hue + 1) % 360;
424 void rgblight_effect_rainbow_swirl(uint8_t interval) {
425 static uint16_t current_hue = 0;
426 static uint16_t last_timer = 0;
429 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval / 2])) {
432 last_timer = timer_read();
433 for (i = 0; i < RGBLED_NUM; i++) {
434 hue = (360 / RGBLED_NUM * i + current_hue) % 360;
435 sethsv(hue, rgblight_config.sat, rgblight_config.val, &led[i]);
440 current_hue = (current_hue + 1) % 360;
442 if (current_hue - 1 < 0) {
445 current_hue = current_hue - 1;
449 void rgblight_effect_snake(uint8_t interval) {
450 static uint8_t pos = 0;
451 static uint16_t last_timer = 0;
454 int8_t increment = 1;
458 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_SNAKE_INTERVALS[interval / 2])) {
461 last_timer = timer_read();
462 for (i = 0; i < RGBLED_NUM; i++) {
466 for (j = 0; j < RGBLIGHT_EFFECT_SNAKE_LENGTH; j++) {
467 k = pos + j * increment;
472 sethsv(rgblight_config.hue, rgblight_config.sat, (uint8_t)(rgblight_config.val*(RGBLIGHT_EFFECT_SNAKE_LENGTH-j)/RGBLIGHT_EFFECT_SNAKE_LENGTH), &led[i]);
477 if (increment == 1) {
479 pos = RGBLED_NUM - 1;
484 pos = (pos + 1) % RGBLED_NUM;
487 void rgblight_effect_knight(uint8_t interval) {
488 static int8_t pos = 0;
489 static uint16_t last_timer = 0;
492 struct cRGB preled[RGBLED_NUM];
493 static int8_t increment = -1;
494 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_KNIGHT_INTERVALS[interval])) {
497 last_timer = timer_read();
498 for (i = 0; i < RGBLED_NUM; i++) {
502 for (j = 0; j < RGBLIGHT_EFFECT_KNIGHT_LENGTH; j++) {
503 k = pos + j * increment;
507 if (k >= RGBLED_NUM) {
511 sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val, &preled[i]);
515 if (RGBLIGHT_EFFECT_KNIGHT_OFFSET) {
516 for (i = 0; i < RGBLED_NUM; i++) {
517 cur = (i + RGBLIGHT_EFFECT_KNIGHT_OFFSET) % RGBLED_NUM;
518 led[i].r = preled[cur].r;
519 led[i].g = preled[cur].g;
520 led[i].b = preled[cur].b;
524 if (increment == 1) {
525 if (pos - 1 < 0 - RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
526 pos = 0 - RGBLIGHT_EFFECT_KNIGHT_LENGTH;
532 if (pos + 1 > RGBLED_NUM + RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
533 pos = RGBLED_NUM + RGBLIGHT_EFFECT_KNIGHT_LENGTH - 1;