1 /* Copyright 2016-2017 Yang Liu
3 * This program is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, either version 2 of the License, or
6 * (at your option) any later version.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 #include <avr/eeprom.h>
17 #include <avr/interrupt.h>
18 #include <util/delay.h>
23 #include "led_tables.h"
26 __attribute__ ((weak))
27 const uint8_t RGBLED_BREATHING_INTERVALS[] PROGMEM = {30, 20, 10, 5};
28 __attribute__ ((weak))
29 const uint8_t RGBLED_RAINBOW_MOOD_INTERVALS[] PROGMEM = {120, 60, 30};
30 __attribute__ ((weak))
31 const uint8_t RGBLED_RAINBOW_SWIRL_INTERVALS[] PROGMEM = {100, 50, 20};
32 __attribute__ ((weak))
33 const uint8_t RGBLED_SNAKE_INTERVALS[] PROGMEM = {100, 50, 20};
34 __attribute__ ((weak))
35 const uint8_t RGBLED_KNIGHT_INTERVALS[] PROGMEM = {100, 50, 20};
36 __attribute__ ((weak))
37 const uint16_t RGBLED_GRADIENT_RANGES[] PROGMEM = {360, 240, 180, 120, 90};
39 rgblight_config_t rgblight_config;
40 rgblight_config_t inmem_config;
42 LED_TYPE led[RGBLED_NUM];
43 uint8_t rgblight_inited = 0;
44 bool rgblight_timer_enabled = false;
46 void sethsv(uint16_t hue, uint8_t sat, uint8_t val, LED_TYPE *led1) {
47 uint8_t r = 0, g = 0, b = 0, base, color;
49 if (sat == 0) { // Acromatic color (gray). Hue doesn't mind.
54 base = ((255 - sat) * val) >> 8;
55 color = (val - base) * (hue % 60) / 60;
90 r = pgm_read_byte(&CIE1931_CURVE[r]);
91 g = pgm_read_byte(&CIE1931_CURVE[g]);
92 b = pgm_read_byte(&CIE1931_CURVE[b]);
94 setrgb(r, g, b, led1);
97 void setrgb(uint8_t r, uint8_t g, uint8_t b, LED_TYPE *led1) {
104 uint32_t eeconfig_read_rgblight(void) {
105 return eeprom_read_dword(EECONFIG_RGBLIGHT);
107 void eeconfig_update_rgblight(uint32_t val) {
108 eeprom_update_dword(EECONFIG_RGBLIGHT, val);
110 void eeconfig_update_rgblight_default(void) {
111 dprintf("eeconfig_update_rgblight_default\n");
112 rgblight_config.enable = 1;
113 rgblight_config.mode = 1;
114 rgblight_config.hue = 0;
115 rgblight_config.sat = 255;
116 rgblight_config.val = 255;
117 eeconfig_update_rgblight(rgblight_config.raw);
119 void eeconfig_debug_rgblight(void) {
120 dprintf("rgblight_config eprom\n");
121 dprintf("rgblight_config.enable = %d\n", rgblight_config.enable);
122 dprintf("rghlight_config.mode = %d\n", rgblight_config.mode);
123 dprintf("rgblight_config.hue = %d\n", rgblight_config.hue);
124 dprintf("rgblight_config.sat = %d\n", rgblight_config.sat);
125 dprintf("rgblight_config.val = %d\n", rgblight_config.val);
128 void rgblight_init(void) {
129 debug_enable = 1; // Debug ON!
130 dprintf("rgblight_init called.\n");
132 dprintf("rgblight_init start!\n");
133 if (!eeconfig_is_enabled()) {
134 dprintf("rgblight_init eeconfig is not enabled.\n");
136 eeconfig_update_rgblight_default();
138 rgblight_config.raw = eeconfig_read_rgblight();
139 if (!rgblight_config.mode) {
140 dprintf("rgblight_init rgblight_config.mode = 0. Write default values to EEPROM.\n");
141 eeconfig_update_rgblight_default();
142 rgblight_config.raw = eeconfig_read_rgblight();
144 eeconfig_debug_rgblight(); // display current eeprom values
146 #ifdef RGBLIGHT_ANIMATIONS
147 rgblight_timer_init(); // setup the timer
150 if (rgblight_config.enable) {
151 rgblight_mode(rgblight_config.mode);
155 void rgblight_update_dword(uint32_t dword) {
156 rgblight_config.raw = dword;
157 eeconfig_update_rgblight(rgblight_config.raw);
158 if (rgblight_config.enable)
159 rgblight_mode(rgblight_config.mode);
161 #ifdef RGBLIGHT_ANIMATIONS
162 rgblight_timer_disable();
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) {
191 void rgblight_step_reverse(void) {
193 mode = rgblight_config.mode - 1;
195 mode = RGBLIGHT_MODES;
200 void rgblight_mode(uint8_t mode) {
201 if (!rgblight_config.enable) {
205 rgblight_config.mode = 1;
206 } else if (mode > RGBLIGHT_MODES) {
207 rgblight_config.mode = RGBLIGHT_MODES;
209 rgblight_config.mode = mode;
211 eeconfig_update_rgblight(rgblight_config.raw);
212 xprintf("rgblight mode: %u\n", rgblight_config.mode);
213 if (rgblight_config.mode == 1) {
214 #ifdef RGBLIGHT_ANIMATIONS
215 rgblight_timer_disable();
217 } else if (rgblight_config.mode >= 2 && rgblight_config.mode <= 24) {
218 // MODE 2-5, breathing
219 // MODE 6-8, rainbow mood
220 // MODE 9-14, rainbow swirl
222 // MODE 21-23, knight
224 #ifdef RGBLIGHT_ANIMATIONS
225 rgblight_timer_enable();
227 } else if (rgblight_config.mode >= 25 && rgblight_config.mode <= 34) {
228 // MODE 25-34, static gradient
230 #ifdef RGBLIGHT_ANIMATIONS
231 rgblight_timer_disable();
234 rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
237 void rgblight_toggle(void) {
238 rgblight_config.enable ^= 1;
239 eeconfig_update_rgblight(rgblight_config.raw);
240 xprintf("rgblight toggle: rgblight_config.enable = %u\n", rgblight_config.enable);
241 if (rgblight_config.enable) {
242 rgblight_mode(rgblight_config.mode);
244 #ifdef RGBLIGHT_ANIMATIONS
245 rgblight_timer_disable();
252 void rgblight_enable(void) {
253 rgblight_config.enable = 1;
254 eeconfig_update_rgblight(rgblight_config.raw);
255 xprintf("rgblight enable: rgblight_config.enable = %u\n", rgblight_config.enable);
256 rgblight_mode(rgblight_config.mode);
260 void rgblight_increase_hue(void) {
262 hue = (rgblight_config.hue+RGBLIGHT_HUE_STEP) % 360;
263 rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
265 void rgblight_decrease_hue(void) {
267 if (rgblight_config.hue-RGBLIGHT_HUE_STEP < 0) {
268 hue = (rgblight_config.hue + 360 - RGBLIGHT_HUE_STEP) % 360;
270 hue = (rgblight_config.hue - RGBLIGHT_HUE_STEP) % 360;
272 rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
274 void rgblight_increase_sat(void) {
276 if (rgblight_config.sat + RGBLIGHT_SAT_STEP > 255) {
279 sat = rgblight_config.sat + RGBLIGHT_SAT_STEP;
281 rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
283 void rgblight_decrease_sat(void) {
285 if (rgblight_config.sat - RGBLIGHT_SAT_STEP < 0) {
288 sat = rgblight_config.sat - RGBLIGHT_SAT_STEP;
290 rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
292 void rgblight_increase_val(void) {
294 if (rgblight_config.val + RGBLIGHT_VAL_STEP > 255) {
297 val = rgblight_config.val + RGBLIGHT_VAL_STEP;
299 rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
301 void rgblight_decrease_val(void) {
303 if (rgblight_config.val - RGBLIGHT_VAL_STEP < 0) {
306 val = rgblight_config.val - RGBLIGHT_VAL_STEP;
308 rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
311 void rgblight_sethsv_noeeprom(uint16_t hue, uint8_t sat, uint8_t val) {
312 inmem_config.raw = rgblight_config.raw;
313 if (rgblight_config.enable) {
315 sethsv(hue, sat, val, &tmp_led);
316 inmem_config.hue = hue;
317 inmem_config.sat = sat;
318 inmem_config.val = val;
319 // dprintf("rgblight set hue [MEMORY]: %u,%u,%u\n", inmem_config.hue, inmem_config.sat, inmem_config.val);
320 rgblight_setrgb(tmp_led.r, tmp_led.g, tmp_led.b);
323 void rgblight_sethsv(uint16_t hue, uint8_t sat, uint8_t val) {
324 if (rgblight_config.enable) {
325 if (rgblight_config.mode == 1) {
327 rgblight_sethsv_noeeprom(hue, sat, val);
329 // all LEDs in same color
330 if (rgblight_config.mode >= 2 && rgblight_config.mode <= 5) {
331 // breathing mode, ignore the change of val, use in memory value instead
332 val = rgblight_config.val;
333 } else if (rgblight_config.mode >= 6 && rgblight_config.mode <= 14) {
334 // rainbow mood and rainbow swirl, ignore the change of hue
335 hue = rgblight_config.hue;
336 } else if (rgblight_config.mode >= 25 && rgblight_config.mode <= 34) {
339 int8_t direction = ((rgblight_config.mode - 25) % 2) ? -1 : 1;
340 uint16_t range = pgm_read_word(&RGBLED_GRADIENT_RANGES[(rgblight_config.mode - 25) / 2]);
341 for (uint8_t i = 0; i < RGBLED_NUM; i++) {
342 _hue = (range / RGBLED_NUM * i * direction + hue + 360) % 360;
343 dprintf("rgblight rainbow set hsv: %u,%u,%d,%u\n", i, _hue, direction, range);
344 sethsv(_hue, sat, val, (LED_TYPE *)&led[i]);
349 rgblight_config.hue = hue;
350 rgblight_config.sat = sat;
351 rgblight_config.val = val;
352 eeconfig_update_rgblight(rgblight_config.raw);
353 xprintf("rgblight set hsv [EEPROM]: %u,%u,%u\n", rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
357 void rgblight_setrgb(uint8_t r, uint8_t g, uint8_t b) {
358 // dprintf("rgblight set rgb: %u,%u,%u\n", r,g,b);
359 for (uint8_t i = 0; i < RGBLED_NUM; i++) {
367 __attribute__ ((weak))
368 void rgblight_set(void) {
369 if (rgblight_config.enable) {
371 ws2812_setleds_rgbw(led, RGBLED_NUM);
373 ws2812_setleds(led, RGBLED_NUM);
376 for (uint8_t i = 0; i < RGBLED_NUM; i++) {
382 ws2812_setleds_rgbw(led, RGBLED_NUM);
384 ws2812_setleds(led, RGBLED_NUM);
389 #ifdef RGBLIGHT_ANIMATIONS
391 // Animation timer -- AVR Timer3
392 void rgblight_timer_init(void) {
393 // static uint8_t rgblight_timer_is_init = 0;
394 // if (rgblight_timer_is_init) {
397 // rgblight_timer_is_init = 1;
398 // /* Timer 3 setup */
399 // TCCR3B = _BV(WGM32) // CTC mode OCR3A as TOP
400 // | _BV(CS30); // Clock selelct: clk/1
401 // /* Set TOP value */
402 // uint8_t sreg = SREG;
404 // OCR3AH = (RGBLED_TIMER_TOP >> 8) & 0xff;
405 // OCR3AL = RGBLED_TIMER_TOP & 0xff;
408 rgblight_timer_enabled = true;
410 void rgblight_timer_enable(void) {
411 rgblight_timer_enabled = true;
412 dprintf("TIMER3 enabled.\n");
414 void rgblight_timer_disable(void) {
415 rgblight_timer_enabled = false;
416 dprintf("TIMER3 disabled.\n");
418 void rgblight_timer_toggle(void) {
419 rgblight_timer_enabled ^= rgblight_timer_enabled;
420 dprintf("TIMER3 toggled.\n");
423 void rgblight_show_solid_color(uint8_t r, uint8_t g, uint8_t b) {
426 rgblight_setrgb(r, g, b);
429 void rgblight_task(void) {
430 if (rgblight_timer_enabled) {
431 // mode = 1, static light, do nothing here
432 if (rgblight_config.mode >= 2 && rgblight_config.mode <= 5) {
433 // mode = 2 to 5, breathing mode
434 rgblight_effect_breathing(rgblight_config.mode - 2);
435 } else if (rgblight_config.mode >= 6 && rgblight_config.mode <= 8) {
436 // mode = 6 to 8, rainbow mood mod
437 rgblight_effect_rainbow_mood(rgblight_config.mode - 6);
438 } else if (rgblight_config.mode >= 9 && rgblight_config.mode <= 14) {
439 // mode = 9 to 14, rainbow swirl mode
440 rgblight_effect_rainbow_swirl(rgblight_config.mode - 9);
441 } else if (rgblight_config.mode >= 15 && rgblight_config.mode <= 20) {
442 // mode = 15 to 20, snake mode
443 rgblight_effect_snake(rgblight_config.mode - 15);
444 } else if (rgblight_config.mode >= 21 && rgblight_config.mode <= 23) {
445 // mode = 21 to 23, knight mode
446 rgblight_effect_knight(rgblight_config.mode - 21);
447 } else if (rgblight_config.mode == 24) {
448 // mode = 24, christmas mode
449 rgblight_effect_christmas();
455 void rgblight_effect_breathing(uint8_t interval) {
456 static uint8_t pos = 0;
457 static uint16_t last_timer = 0;
459 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_BREATHING_INTERVALS[interval])) {
462 last_timer = timer_read();
464 rgblight_sethsv_noeeprom(rgblight_config.hue, rgblight_config.sat, pgm_read_byte(&LED_BREATHING_TABLE[pos]));
465 pos = (pos + 1) % 256;
467 void rgblight_effect_rainbow_mood(uint8_t interval) {
468 static uint16_t current_hue = 0;
469 static uint16_t last_timer = 0;
471 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval])) {
474 last_timer = timer_read();
475 rgblight_sethsv_noeeprom(current_hue, rgblight_config.sat, rgblight_config.val);
476 current_hue = (current_hue + 1) % 360;
478 void rgblight_effect_rainbow_swirl(uint8_t interval) {
479 static uint16_t current_hue = 0;
480 static uint16_t last_timer = 0;
483 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval / 2])) {
486 last_timer = timer_read();
487 for (i = 0; i < RGBLED_NUM; i++) {
488 hue = (360 / RGBLED_NUM * i + current_hue) % 360;
489 sethsv(hue, rgblight_config.sat, rgblight_config.val, (LED_TYPE *)&led[i]);
494 current_hue = (current_hue + 1) % 360;
496 if (current_hue - 1 < 0) {
499 current_hue = current_hue - 1;
503 void rgblight_effect_snake(uint8_t interval) {
504 static uint8_t pos = 0;
505 static uint16_t last_timer = 0;
508 int8_t increment = 1;
512 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_SNAKE_INTERVALS[interval / 2])) {
515 last_timer = timer_read();
516 for (i = 0; i < RGBLED_NUM; i++) {
520 for (j = 0; j < RGBLIGHT_EFFECT_SNAKE_LENGTH; j++) {
521 k = pos + j * increment;
526 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]);
531 if (increment == 1) {
533 pos = RGBLED_NUM - 1;
538 pos = (pos + 1) % RGBLED_NUM;
541 void rgblight_effect_knight(uint8_t interval) {
542 static int8_t pos = 0;
543 static uint16_t last_timer = 0;
546 LED_TYPE preled[RGBLED_NUM];
547 static int8_t increment = -1;
548 if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_KNIGHT_INTERVALS[interval])) {
551 last_timer = timer_read();
552 for (i = 0; i < RGBLED_NUM; i++) {
556 for (j = 0; j < RGBLIGHT_EFFECT_KNIGHT_LENGTH; j++) {
557 k = pos + j * increment;
561 if (k >= RGBLED_NUM) {
565 sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val, (LED_TYPE *)&preled[i]);
569 if (RGBLIGHT_EFFECT_KNIGHT_OFFSET) {
570 for (i = 0; i < RGBLED_NUM; i++) {
571 cur = (i + RGBLIGHT_EFFECT_KNIGHT_OFFSET) % RGBLED_NUM;
572 led[i].r = preled[cur].r;
573 led[i].g = preled[cur].g;
574 led[i].b = preled[cur].b;
578 if (increment == 1) {
579 if (pos - 1 < 0 - RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
580 pos = 0 - RGBLIGHT_EFFECT_KNIGHT_LENGTH;
586 if (pos + 1 > RGBLED_NUM + RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
587 pos = RGBLED_NUM + RGBLIGHT_EFFECT_KNIGHT_LENGTH - 1;
596 void rgblight_effect_christmas(void) {
597 static uint16_t current_offset = 0;
598 static uint16_t last_timer = 0;
601 if (timer_elapsed(last_timer) < RGBLIGHT_EFFECT_CHRISTMAS_INTERVAL) {
604 last_timer = timer_read();
605 current_offset = (current_offset + 1) % 2;
606 for (i = 0; i < RGBLED_NUM; i++) {
607 hue = 0 + ((i/RGBLIGHT_EFFECT_CHRISTMAS_STEP + current_offset) % 2) * 120;
608 sethsv(hue, rgblight_config.sat, rgblight_config.val, (LED_TYPE *)&led[i]);