summaryrefslogtreecommitdiff
path: root/quantum/rgblight.c
blob: 23420ddd87dd50007bedbfc150ee1912d37eb356 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
/* Copyright 2016-2017 Yang Liu
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#include <math.h>
#include <string.h>
#ifdef __AVR__
  #include <avr/eeprom.h>
  #include <avr/interrupt.h>
#endif
#include "wait.h"
#include "progmem.h"
#include "timer.h"
#include "rgblight.h"
#include "debug.h"
#include "led_tables.h"

#ifndef RGBLIGHT_LIMIT_VAL
#define RGBLIGHT_LIMIT_VAL 255
#endif

#define _RGBM_SINGLE_STATIC(sym)   RGBLIGHT_MODE_ ## sym,
#define _RGBM_SINGLE_DYNAMIC(sym)
#define _RGBM_MULTI_STATIC(sym)    RGBLIGHT_MODE_ ## sym,
#define _RGBM_MULTI_DYNAMIC(sym)
#define _RGBM_TMP_STATIC(sym)      RGBLIGHT_MODE_ ## sym,
#define _RGBM_TMP_DYNAMIC(sym)
static uint8_t static_effect_table [] = {
#include "rgblight.h"
};

static inline int is_static_effect(uint8_t mode) {
    return memchr(static_effect_table, mode, sizeof(static_effect_table)) != NULL;
}

#define MIN(a,b) (((a)<(b))?(a):(b))
#define MAX(a,b) (((a)>(b))?(a):(b))

#ifdef RGBLIGHT_EFFECT_STATIC_GRADIENT
__attribute__ ((weak))
const uint16_t RGBLED_GRADIENT_RANGES[] PROGMEM = {360, 240, 180, 120, 90};
#endif

rgblight_config_t rgblight_config;

LED_TYPE led[RGBLED_NUM];
bool rgblight_timer_enabled = false;

void sethsv(uint16_t hue, uint8_t sat, uint8_t val, LED_TYPE *led1) {
  uint8_t r = 0, g = 0, b = 0, base, color;

  if (val > RGBLIGHT_LIMIT_VAL) {
      val=RGBLIGHT_LIMIT_VAL; // limit the val
  }

  if (sat == 0) { // Acromatic color (gray). Hue doesn't mind.
    r = val;
    g = val;
    b = val;
  } else {
    base = ((255 - sat) * val) >> 8;
    color = (val - base) * (hue % 60) / 60;

    switch (hue / 60) {
      case 0:
        r = val;
        g = base + color;
        b = base;
        break;
      case 1:
        r = val - color;
        g = val;
        b = base;
        break;
      case 2:
        r = base;
        g = val;
        b = base + color;
        break;
      case 3:
        r = base;
        g = val - color;
        b = val;
        break;
      case 4:
        r = base + color;
        g = base;
        b = val;
        break;
      case 5:
        r = val;
        g = base;
        b = val - color;
        break;
    }
  }
  r = pgm_read_byte(&CIE1931_CURVE[r]);
  g = pgm_read_byte(&CIE1931_CURVE[g]);
  b = pgm_read_byte(&CIE1931_CURVE[b]);

  setrgb(r, g, b, led1);
}

void setrgb(uint8_t r, uint8_t g, uint8_t b, LED_TYPE *led1) {
  (*led1).r = r;
  (*led1).g = g;
  (*led1).b = b;
}


uint32_t eeconfig_read_rgblight(void) {
  #ifdef __AVR__
    return eeprom_read_dword(EECONFIG_RGBLIGHT);
  #else
    return 0;
  #endif
}
void eeconfig_update_rgblight(uint32_t val) {
  #ifdef __AVR__
    eeprom_update_dword(EECONFIG_RGBLIGHT, val);
  #endif
}
void eeconfig_update_rgblight_default(void) {
  //dprintf("eeconfig_update_rgblight_default\n");
  rgblight_config.enable = 1;
  rgblight_config.mode = RGBLIGHT_MODE_STATIC_LIGHT;
  rgblight_config.hue = 0;
  rgblight_config.sat = 255;
  rgblight_config.val = RGBLIGHT_LIMIT_VAL;
  rgblight_config.speed = 0;
  eeconfig_update_rgblight(rgblight_config.raw);
}
void eeconfig_debug_rgblight(void) {
  dprintf("rgblight_config eprom\n");
  dprintf("rgblight_config.enable = %d\n", rgblight_config.enable);
  dprintf("rghlight_config.mode = %d\n", rgblight_config.mode);
  dprintf("rgblight_config.hue = %d\n", rgblight_config.hue);
  dprintf("rgblight_config.sat = %d\n", rgblight_config.sat);
  dprintf("rgblight_config.val = %d\n", rgblight_config.val);
  dprintf("rgblight_config.speed = %d\n", rgblight_config.speed);
}

void rgblight_init(void) {
  debug_enable = 1; // Debug ON!
  dprintf("rgblight_init called.\n");
  dprintf("rgblight_init start!\n");
  if (!eeconfig_is_enabled()) {
    dprintf("rgblight_init eeconfig is not enabled.\n");
    eeconfig_init();
    eeconfig_update_rgblight_default();
  }
  rgblight_config.raw = eeconfig_read_rgblight();
  if (!rgblight_config.mode) {
    dprintf("rgblight_init rgblight_config.mode = 0. Write default values to EEPROM.\n");
    eeconfig_update_rgblight_default();
    rgblight_config.raw = eeconfig_read_rgblight();
  }
  eeconfig_debug_rgblight(); // display current eeprom values

#ifdef RGBLIGHT_USE_TIMER
    rgblight_timer_init(); // setup the timer
#endif

  if (rgblight_config.enable) {
    rgblight_mode_noeeprom(rgblight_config.mode);
  }
}

void rgblight_update_dword(uint32_t dword) {
  rgblight_config.raw = dword;
  eeconfig_update_rgblight(rgblight_config.raw);
  if (rgblight_config.enable)
    rgblight_mode(rgblight_config.mode);
  else {
#ifdef RGBLIGHT_USE_TIMER
      rgblight_timer_disable();
#endif
      rgblight_set();
  }
}

void rgblight_increase(void) {
  uint8_t mode = 0;
  if (rgblight_config.mode < RGBLIGHT_MODES) {
    mode = rgblight_config.mode + 1;
  }
  rgblight_mode(mode);
}
void rgblight_decrease(void) {
  uint8_t mode = 0;
  // Mode will never be < 1. If it ever is, eeprom needs to be initialized.
  if (rgblight_config.mode > RGBLIGHT_MODE_STATIC_LIGHT) {
    mode = rgblight_config.mode - 1;
  }
  rgblight_mode(mode);
}
void rgblight_step_helper(bool write_to_eeprom) {
  uint8_t mode = 0;
  mode = rgblight_config.mode + 1;
  if (mode > RGBLIGHT_MODES) {
    mode = 1;
  }
  rgblight_mode_eeprom_helper(mode, write_to_eeprom);
}
void rgblight_step_noeeprom(void) {
  rgblight_step_helper(false);
}
void rgblight_step(void) {
  rgblight_step_helper(true);
}
void rgblight_step_reverse_helper(bool write_to_eeprom) {
  uint8_t mode = 0;
  mode = rgblight_config.mode - 1;
  if (mode < 1) {
    mode = RGBLIGHT_MODES;
  }
  rgblight_mode_eeprom_helper(mode, write_to_eeprom);
}
void rgblight_step_reverse_noeeprom(void) {
  rgblight_step_reverse_helper(false);
}
void rgblight_step_reverse(void) {
  rgblight_step_reverse_helper(true);
}

uint8_t rgblight_get_mode(void) {
  if (!rgblight_config.enable) {
    return false;
  }

  return rgblight_config.mode;
}

void rgblight_mode_eeprom_helper(uint8_t mode, bool write_to_eeprom) {
  if (!rgblight_config.enable) {
    return;
  }
  if (mode < RGBLIGHT_MODE_STATIC_LIGHT) {
    rgblight_config.mode = RGBLIGHT_MODE_STATIC_LIGHT;
  } else if (mode > RGBLIGHT_MODES) {
    rgblight_config.mode = RGBLIGHT_MODES;
  } else {
    rgblight_config.mode = mode;
  }
  if (write_to_eeprom) {
    eeconfig_update_rgblight(rgblight_config.raw);
    xprintf("rgblight mode [EEPROM]: %u\n", rgblight_config.mode);
  } else {
    xprintf("rgblight mode [NOEEPROM]: %u\n", rgblight_config.mode);
  }
  if( is_static_effect(rgblight_config.mode) ) {
#ifdef RGBLIGHT_USE_TIMER
      rgblight_timer_disable();
#endif
  } else {
#ifdef RGBLIGHT_USE_TIMER
      rgblight_timer_enable();
#endif
  }
  rgblight_sethsv_noeeprom(rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
}

void rgblight_mode(uint8_t mode) {
  rgblight_mode_eeprom_helper(mode, true);
}

void rgblight_mode_noeeprom(uint8_t mode) {
  rgblight_mode_eeprom_helper(mode, false);
}


void rgblight_toggle(void) {
  xprintf("rgblight toggle [EEPROM]: rgblight_config.enable = %u\n", !rgblight_config.enable);
  if (rgblight_config.enable) {
    rgblight_disable();
  }
  else {
    rgblight_enable();
  }
}

void rgblight_toggle_noeeprom(void) {
  xprintf("rgblight toggle [NOEEPROM]: rgblight_config.enable = %u\n", !rgblight_config.enable);
  if (rgblight_config.enable) {
    rgblight_disable_noeeprom();
  }
  else {
    rgblight_enable_noeeprom();
  }
}

void rgblight_enable(void) {
  rgblight_config.enable = 1;
  // No need to update EEPROM here. rgblight_mode() will do that, actually
  //eeconfig_update_rgblight(rgblight_config.raw);
  xprintf("rgblight enable [EEPROM]: rgblight_config.enable = %u\n", rgblight_config.enable);
  rgblight_mode(rgblight_config.mode);
}

void rgblight_enable_noeeprom(void) {
  rgblight_config.enable = 1;
  xprintf("rgblight enable [NOEEPROM]: rgblight_config.enable = %u\n", rgblight_config.enable);
  rgblight_mode_noeeprom(rgblight_config.mode);
}

void rgblight_disable(void) {
  rgblight_config.enable = 0;
  eeconfig_update_rgblight(rgblight_config.raw);
  xprintf("rgblight disable [EEPROM]: rgblight_config.enable = %u\n", rgblight_config.enable);
#ifdef RGBLIGHT_USE_TIMER
      rgblight_timer_disable();
#endif
  wait_ms(50);
  rgblight_set();
}

void rgblight_disable_noeeprom(void) {
  rgblight_config.enable = 0;
  xprintf("rgblight disable [noEEPROM]: rgblight_config.enable = %u\n", rgblight_config.enable);
#ifdef RGBLIGHT_USE_TIMER
    rgblight_timer_disable();
#endif
  _delay_ms(50);
  rgblight_set();
}


// Deals with the messy details of incrementing an integer
static uint8_t increment( uint8_t value, uint8_t step, uint8_t min, uint8_t max ) {
    int16_t new_value = value;
    new_value += step;
    return MIN( MAX( new_value, min ), max );
}

static uint8_t decrement( uint8_t value, uint8_t step, uint8_t min, uint8_t max ) {
    int16_t new_value = value;
    new_value -= step;
    return MIN( MAX( new_value, min ), max );
}

void rgblight_increase_hue_helper(bool write_to_eeprom) {
  uint16_t hue;
  hue = (rgblight_config.hue+RGBLIGHT_HUE_STEP) % 360;
  rgblight_sethsv_eeprom_helper(hue, rgblight_config.sat, rgblight_config.val, write_to_eeprom);
}
void rgblight_increase_hue_noeeprom(void) {
  rgblight_increase_hue_helper(false);
}
void rgblight_increase_hue(void) {
  rgblight_increase_hue_helper(true);
}
void rgblight_decrease_hue_helper(bool write_to_eeprom) {
  uint16_t hue;
  if (rgblight_config.hue-RGBLIGHT_HUE_STEP < 0) {
    hue = (rgblight_config.hue + 360 - RGBLIGHT_HUE_STEP) % 360;
  } else {
    hue = (rgblight_config.hue - RGBLIGHT_HUE_STEP) % 360;
  }
  rgblight_sethsv_eeprom_helper(hue, rgblight_config.sat, rgblight_config.val, write_to_eeprom);
}
void rgblight_decrease_hue_noeeprom(void) {
  rgblight_decrease_hue_helper(false);
}
void rgblight_decrease_hue(void) {
  rgblight_decrease_hue_helper(true);
}
void rgblight_increase_sat_helper(bool write_to_eeprom) {
  uint8_t sat;
  if (rgblight_config.sat + RGBLIGHT_SAT_STEP > 255) {
    sat = 255;
  } else {
    sat = rgblight_config.sat + RGBLIGHT_SAT_STEP;
  }
  rgblight_sethsv_eeprom_helper(rgblight_config.hue, sat, rgblight_config.val, write_to_eeprom);
}
void rgblight_increase_sat_noeeprom(void) {
  rgblight_increase_sat_helper(false);
}
void rgblight_increase_sat(void) {
  rgblight_increase_sat_helper(true);
}
void rgblight_decrease_sat_helper(bool write_to_eeprom) {
  uint8_t sat;
  if (rgblight_config.sat - RGBLIGHT_SAT_STEP < 0) {
    sat = 0;
  } else {
    sat = rgblight_config.sat - RGBLIGHT_SAT_STEP;
  }
  rgblight_sethsv_eeprom_helper(rgblight_config.hue, sat, rgblight_config.val, write_to_eeprom);
}
void rgblight_decrease_sat_noeeprom(void) {
  rgblight_decrease_sat_helper(false);
}
void rgblight_decrease_sat(void) {
  rgblight_decrease_sat_helper(true);
}
void rgblight_increase_val_helper(bool write_to_eeprom) {
  uint8_t val;
  if (rgblight_config.val + RGBLIGHT_VAL_STEP > RGBLIGHT_LIMIT_VAL) {
    val = RGBLIGHT_LIMIT_VAL;
  } else {
    val = rgblight_config.val + RGBLIGHT_VAL_STEP;
  }
  rgblight_sethsv_eeprom_helper(rgblight_config.hue, rgblight_config.sat, val, write_to_eeprom);
}
void rgblight_increase_val_noeeprom(void) {
  rgblight_increase_val_helper(false);
}
void rgblight_increase_val(void) {
  rgblight_increase_val_helper(true);
}
void rgblight_decrease_val_helper(bool write_to_eeprom) {
  uint8_t val;
  if (rgblight_config.val - RGBLIGHT_VAL_STEP < 0) {
    val = 0;
  } else {
    val = rgblight_config.val - RGBLIGHT_VAL_STEP;
  }
  rgblight_sethsv_eeprom_helper(rgblight_config.hue, rgblight_config.sat, val, write_to_eeprom);
}
void rgblight_decrease_val_noeeprom(void) {
  rgblight_decrease_val_helper(false);
}
void rgblight_decrease_val(void) {
  rgblight_decrease_val_helper(true);
}
void rgblight_increase_speed(void) {
    rgblight_config.speed = increment( rgblight_config.speed, 1, 0, 3 );
    eeconfig_update_rgblight(rgblight_config.raw);//EECONFIG needs to be increased to support this
}

void rgblight_decrease_speed(void) {
    rgblight_config.speed = decrement( rgblight_config.speed, 1, 0, 3 );
    eeconfig_update_rgblight(rgblight_config.raw);//EECONFIG needs to be increased to support this
}

void rgblight_sethsv_noeeprom_old(uint16_t hue, uint8_t sat, uint8_t val) {
  if (rgblight_config.enable) {
    LED_TYPE tmp_led;
    sethsv(hue, sat, val, &tmp_led);
    // dprintf("rgblight set hue [MEMORY]: %u,%u,%u\n", inmem_config.hue, inmem_config.sat, inmem_config.val);
    rgblight_setrgb(tmp_led.r, tmp_led.g, tmp_led.b);
  }
}

void rgblight_sethsv_eeprom_helper(uint16_t hue, uint8_t sat, uint8_t val, bool write_to_eeprom) {
  if (rgblight_config.enable) {
    if (rgblight_config.mode == RGBLIGHT_MODE_STATIC_LIGHT) {
      // same static color
      LED_TYPE tmp_led;
      sethsv(hue, sat, val, &tmp_led);
      rgblight_setrgb(tmp_led.r, tmp_led.g, tmp_led.b);
    } else {
      // all LEDs in same color
      if ( 1 == 0 ) { //dummy
      }
#ifdef RGBLIGHT_EFFECT_BREATHING
      else if (rgblight_config.mode >= RGBLIGHT_MODE_BREATHING &&
          rgblight_config.mode <= RGBLIGHT_MODE_BREATHING_end) {
        // breathing mode, ignore the change of val, use in memory value instead
        val = rgblight_config.val;
      }
#endif
#ifdef RGBLIGHT_EFFECT_RAINBOW_MOOD
      else if (rgblight_config.mode >= RGBLIGHT_MODE_RAINBOW_MOOD &&
                  rgblight_config.mode <= RGBLIGHT_MODE_RAINBOW_MOOD_end) {
        // rainbow mood, ignore the change of hue
        hue = rgblight_config.hue;
      }
#endif
#ifdef RGBLIGHT_EFFECT_RAINBOW_SWIRL
      else if (rgblight_config.mode >= RGBLIGHT_MODE_RAINBOW_SWIRL &&
               rgblight_config.mode <= RGBLIGHT_MODE_RAINBOW_SWIRL_end) {
        // rainbow swirl, ignore the change of hue
        hue = rgblight_config.hue;
      }
#endif
#ifdef RGBLIGHT_EFFECT_STATIC_GRADIENT
      else if (rgblight_config.mode >= RGBLIGHT_MODE_STATIC_GRADIENT &&
               rgblight_config.mode <= RGBLIGHT_MODE_STATIC_GRADIENT_end) {
        // static gradient
        uint16_t _hue;
        int8_t direction = ((rgblight_config.mode - RGBLIGHT_MODE_STATIC_GRADIENT) % 2) ? -1 : 1;
        uint16_t range = pgm_read_word(&RGBLED_GRADIENT_RANGES[(rgblight_config.mode - RGBLIGHT_MODE_STATIC_GRADIENT) / 2]);
        for (uint8_t i = 0; i < RGBLED_NUM; i++) {
          _hue = (range / RGBLED_NUM * i * direction + hue + 360) % 360;
          dprintf("rgblight rainbow set hsv: %u,%u,%d,%u\n", i, _hue, direction, range);
          sethsv(_hue, sat, val, (LED_TYPE *)&led[i]);
        }
        rgblight_set();
      }
#endif
    }
    rgblight_config.hue = hue;
    rgblight_config.sat = sat;
    rgblight_config.val = val;
    if (write_to_eeprom) {
      eeconfig_update_rgblight(rgblight_config.raw);
      xprintf("rgblight set hsv [EEPROM]: %u,%u,%u\n", rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
    } else {
      xprintf("rgblight set hsv [NOEEPROM]: %u,%u,%u\n", rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
    }
  }
}

void rgblight_sethsv(uint16_t hue, uint8_t sat, uint8_t val) {
  rgblight_sethsv_eeprom_helper(hue, sat, val, true);
}

void rgblight_sethsv_noeeprom(uint16_t hue, uint8_t sat, uint8_t val) {
  rgblight_sethsv_eeprom_helper(hue, sat, val, false);
}

uint16_t rgblight_get_hue(void) {
  return rgblight_config.hue;
}

uint8_t rgblight_get_sat(void) {
  return rgblight_config.sat;
}

uint8_t rgblight_get_val(void) {
  return rgblight_config.val;
}

void rgblight_setrgb(uint8_t r, uint8_t g, uint8_t b) {
  if (!rgblight_config.enable) { return; }

  for (uint8_t i = 0; i < RGBLED_NUM; i++) {
    led[i].r = r;
    led[i].g = g;
    led[i].b = b;
  }
  rgblight_set();
}

void rgblight_setrgb_at(uint8_t r, uint8_t g, uint8_t b, uint8_t index) {
  if (!rgblight_config.enable || index >= RGBLED_NUM) { return; }

  led[index].r = r;
  led[index].g = g;
  led[index].b = b;
  rgblight_set();
}

void rgblight_sethsv_at(uint16_t hue, uint8_t sat, uint8_t val, uint8_t index) {
  if (!rgblight_config.enable) { return; }

  LED_TYPE tmp_led;
  sethsv(hue, sat, val, &tmp_led);
  rgblight_setrgb_at(tmp_led.r, tmp_led.g, tmp_led.b, index);
}

#ifndef RGBLIGHT_CUSTOM_DRIVER
void rgblight_set(void) {
  if (rgblight_config.enable) {
    #ifdef RGBW
      ws2812_setleds_rgbw(led, RGBLED_NUM);
    #else
      ws2812_setleds(led, RGBLED_NUM);
    #endif
  } else {
    for (uint8_t i = 0; i < RGBLED_NUM; i++) {
      led[i].r = 0;
      led[i].g = 0;
      led[i].b = 0;
    }
    #ifdef RGBW
      ws2812_setleds_rgbw(led, RGBLED_NUM);
    #else
      ws2812_setleds(led, RGBLED_NUM);
    #endif
  }
}
#endif

#ifdef RGBLIGHT_USE_TIMER

// Animation timer -- AVR Timer3
void rgblight_timer_init(void) {
  // static uint8_t rgblight_timer_is_init = 0;
  // if (rgblight_timer_is_init) {
  //   return;
  // }
  // rgblight_timer_is_init = 1;
  // /* Timer 3 setup */
  // TCCR3B = _BV(WGM32) // CTC mode OCR3A as TOP
  //       | _BV(CS30); // Clock selelct: clk/1
  // /* Set TOP value */
  // uint8_t sreg = SREG;
  // cli();
  // OCR3AH = (RGBLED_TIMER_TOP >> 8) & 0xff;
  // OCR3AL = RGBLED_TIMER_TOP & 0xff;
  // SREG = sreg;

  rgblight_timer_enabled = true;
}
void rgblight_timer_enable(void) {
  rgblight_timer_enabled = true;
  dprintf("TIMER3 enabled.\n");
}
void rgblight_timer_disable(void) {
  rgblight_timer_enabled = false;
  dprintf("TIMER3 disabled.\n");
}
void rgblight_timer_toggle(void) {
  rgblight_timer_enabled ^= rgblight_timer_enabled;
  dprintf("TIMER3 toggled.\n");
}

void rgblight_show_solid_color(uint8_t r, uint8_t g, uint8_t b) {
  rgblight_enable();
  rgblight_mode(RGBLIGHT_MODE_STATIC_LIGHT);
  rgblight_setrgb(r, g, b);
}

void rgblight_task(void) {
  if (rgblight_timer_enabled) {
    // static light mode, do nothing here
    if ( 1 == 0 ) { //dummy
    }
#ifdef RGBLIGHT_EFFECT_BREATHING
    else if (rgblight_config.mode >= RGBLIGHT_MODE_BREATHING  &&
        rgblight_config.mode <= RGBLIGHT_MODE_BREATHING_end) {
      // breathing mode
      rgblight_effect_breathing(rgblight_config.mode - RGBLIGHT_MODE_BREATHING );
    }
#endif
#ifdef RGBLIGHT_EFFECT_RAINBOW_MOOD
    else if (rgblight_config.mode >= RGBLIGHT_MODE_RAINBOW_MOOD &&
               rgblight_config.mode <= RGBLIGHT_MODE_RAINBOW_MOOD_end) {
      // rainbow mood mode
      rgblight_effect_rainbow_mood(rgblight_config.mode - RGBLIGHT_MODE_RAINBOW_MOOD);
    }
#endif
#ifdef RGBLIGHT_EFFECT_RAINBOW_SWIRL
    else if (rgblight_config.mode >= RGBLIGHT_MODE_RAINBOW_SWIRL &&
               rgblight_config.mode <= RGBLIGHT_MODE_RAINBOW_SWIRL_end) {
      // rainbow swirl mode
      rgblight_effect_rainbow_swirl(rgblight_config.mode - RGBLIGHT_MODE_RAINBOW_SWIRL);
    }
#endif
#ifdef RGBLIGHT_EFFECT_SNAKE
    else if (rgblight_config.mode >= RGBLIGHT_MODE_SNAKE &&
               rgblight_config.mode <= RGBLIGHT_MODE_SNAKE_end) {
      // snake mode
      rgblight_effect_snake(rgblight_config.mode - RGBLIGHT_MODE_SNAKE);
    }
#endif
#ifdef RGBLIGHT_EFFECT_KNIGHT
    else if (rgblight_config.mode >= RGBLIGHT_MODE_KNIGHT &&
               rgblight_config.mode <= RGBLIGHT_MODE_KNIGHT_end) {
      // knight mode
      rgblight_effect_knight(rgblight_config.mode - RGBLIGHT_MODE_KNIGHT);
    }
#endif
#ifdef RGBLIGHT_EFFECT_CHRISTMAS
    else if (rgblight_config.mode == RGBLIGHT_MODE_CHRISTMAS) {
      // christmas mode
      rgblight_effect_christmas();
    }
#endif
#ifdef RGBLIGHT_EFFECT_RGB_TEST
    else if (rgblight_config.mode == RGBLIGHT_MODE_RGB_TEST) {
      // RGB test mode
      rgblight_effect_rgbtest();
    }
#endif
#ifdef RGBLIGHT_EFFECT_ALTERNATING
    else if (rgblight_config.mode == RGBLIGHT_MODE_ALTERNATING){
      rgblight_effect_alternating();
    }
#endif
  }
}

#endif /* RGBLIGHT_USE_TIMER */

// Effects
#ifdef RGBLIGHT_EFFECT_BREATHING
__attribute__ ((weak))
const uint8_t RGBLED_BREATHING_INTERVALS[] PROGMEM = {30, 20, 10, 5};

void rgblight_effect_breathing(uint8_t interval) {
  static uint8_t pos = 0;
  static uint16_t last_timer = 0;
  float val;

  if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_BREATHING_INTERVALS[interval])) {
    return;
  }
  last_timer = timer_read();

  // http://sean.voisen.org/blog/2011/10/breathing-led-with-arduino/
  val = (exp(sin((pos/255.0)*M_PI)) - RGBLIGHT_EFFECT_BREATHE_CENTER/M_E)*(RGBLIGHT_EFFECT_BREATHE_MAX/(M_E-1/M_E));
  rgblight_sethsv_noeeprom_old(rgblight_config.hue, rgblight_config.sat, val);
  pos = (pos + 1) % 256;
}
#endif

#ifdef RGBLIGHT_EFFECT_RAINBOW_MOOD
__attribute__ ((weak))
const uint8_t RGBLED_RAINBOW_MOOD_INTERVALS[] PROGMEM = {120, 60, 30};

void rgblight_effect_rainbow_mood(uint8_t interval) {
  static uint16_t current_hue = 0;
  static uint16_t last_timer = 0;

  if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval])) {
    return;
  }
  last_timer = timer_read();
  rgblight_sethsv_noeeprom_old(current_hue, rgblight_config.sat, rgblight_config.val);
  current_hue = (current_hue + 1) % 360;
}
#endif

#ifdef RGBLIGHT_EFFECT_RAINBOW_SWIRL
#ifndef RGBLIGHT_RAINBOW_SWIRL_RANGE
  #define RGBLIGHT_RAINBOW_SWIRL_RANGE 360
#endif

__attribute__ ((weak))
const uint8_t RGBLED_RAINBOW_SWIRL_INTERVALS[] PROGMEM = {100, 50, 20};

void rgblight_effect_rainbow_swirl(uint8_t interval) {
  static uint16_t current_hue = 0;
  static uint16_t last_timer = 0;
  uint16_t hue;
  uint8_t i;
  if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_RAINBOW_SWIRL_INTERVALS[interval / 2])) {
    return;
  }
  last_timer = timer_read();
  for (i = 0; i < RGBLED_NUM; i++) {
    hue = (RGBLIGHT_RAINBOW_SWIRL_RANGE / RGBLED_NUM * i + current_hue) % 360;
    sethsv(hue, rgblight_config.sat, rgblight_config.val, (LED_TYPE *)&led[i]);
  }
  rgblight_set();

  if (interval % 2) {
    current_hue = (current_hue + 1) % 360;
  } else {
    if (current_hue - 1 < 0) {
      current_hue = 359;
    } else {
      current_hue = current_hue - 1;
    }
  }
}
#endif

#ifdef RGBLIGHT_EFFECT_SNAKE
__attribute__ ((weak))
const uint8_t RGBLED_SNAKE_INTERVALS[] PROGMEM = {100, 50, 20};

void rgblight_effect_snake(uint8_t interval) {
  static uint8_t pos = 0;
  static uint16_t last_timer = 0;
  uint8_t i, j;
  int8_t k;
  int8_t increment = 1;
  if (interval % 2) {
    increment = -1;
  }
  if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_SNAKE_INTERVALS[interval / 2])) {
    return;
  }
  last_timer = timer_read();
  for (i = 0; i < RGBLED_NUM; i++) {
    led[i].r = 0;
    led[i].g = 0;
    led[i].b = 0;
    for (j = 0; j < RGBLIGHT_EFFECT_SNAKE_LENGTH; j++) {
      k = pos + j * increment;
      if (k < 0) {
        k = k + RGBLED_NUM;
      }
      if (i == k) {
        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]);
      }
    }
  }
  rgblight_set();
  if (increment == 1) {
    if (pos - 1 < 0) {
      pos = RGBLED_NUM - 1;
    } else {
      pos -= 1;
    }
  } else {
    pos = (pos + 1) % RGBLED_NUM;
  }
}
#endif

#ifdef RGBLIGHT_EFFECT_KNIGHT
__attribute__ ((weak))
const uint8_t RGBLED_KNIGHT_INTERVALS[] PROGMEM = {127, 63, 31};

void rgblight_effect_knight(uint8_t interval) {
  static uint16_t last_timer = 0;
  if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_KNIGHT_INTERVALS[interval])) {
    return;
  }
  last_timer = timer_read();

  static int8_t low_bound = 0;
  static int8_t high_bound = RGBLIGHT_EFFECT_KNIGHT_LENGTH - 1;
  static int8_t increment = 1;
  uint8_t i, cur;

  // Set all the LEDs to 0
  for (i = 0; i < RGBLED_NUM; i++) {
    led[i].r = 0;
    led[i].g = 0;
    led[i].b = 0;
  }
  // Determine which LEDs should be lit up
  for (i = 0; i < RGBLIGHT_EFFECT_KNIGHT_LED_NUM; i++) {
    cur = (i + RGBLIGHT_EFFECT_KNIGHT_OFFSET) % RGBLED_NUM;

    if (i >= low_bound && i <= high_bound) {
      sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val, (LED_TYPE *)&led[cur]);
    } else {
      led[cur].r = 0;
      led[cur].g = 0;
      led[cur].b = 0;
    }
  }
  rgblight_set();

  // Move from low_bound to high_bound changing the direction we increment each
  // time a boundary is hit.
  low_bound += increment;
  high_bound += increment;

  if (high_bound <= 0 || low_bound >= RGBLIGHT_EFFECT_KNIGHT_LED_NUM - 1) {
    increment = -increment;
  }
}
#endif

#ifdef RGBLIGHT_EFFECT_CHRISTMAS
void rgblight_effect_christmas(void) {
  static uint16_t current_offset = 0;
  static uint16_t last_timer = 0;
  uint16_t hue;
  uint8_t i;
  if (timer_elapsed(last_timer) < RGBLIGHT_EFFECT_CHRISTMAS_INTERVAL) {
    return;
  }
  last_timer = timer_read();
  current_offset = (current_offset + 1) % 2;
  for (i = 0; i < RGBLED_NUM; i++) {
    hue = 0 + ((i/RGBLIGHT_EFFECT_CHRISTMAS_STEP + current_offset) % 2) * 120;
    sethsv(hue, rgblight_config.sat, rgblight_config.val, (LED_TYPE *)&led[i]);
  }
  rgblight_set();
}
#endif

#ifdef RGBLIGHT_EFFECT_RGB_TEST
__attribute__ ((weak))
const uint16_t RGBLED_RGBTEST_INTERVALS[] PROGMEM = {1024};

void rgblight_effect_rgbtest(void) {
  static uint8_t pos = 0;
  static uint16_t last_timer = 0;
  static uint8_t maxval = 0;
  uint8_t g; uint8_t r; uint8_t b;

  if (timer_elapsed(last_timer) < pgm_read_word(&RGBLED_RGBTEST_INTERVALS[0])) {
    return;
  }

  if( maxval == 0 ) {
      LED_TYPE tmp_led;
      sethsv(0, 255, RGBLIGHT_LIMIT_VAL, &tmp_led);
      maxval = tmp_led.r;
  }
  last_timer = timer_read();
  g = r = b = 0;
  switch( pos ) {
    case 0: r = maxval; break;
    case 1: g = maxval; break;
    case 2: b = maxval; break;
  }
  rgblight_setrgb(r, g, b);
  pos = (pos + 1) % 3;
}
#endif

#ifdef RGBLIGHT_EFFECT_ALTERNATING
void rgblight_effect_alternating(void){
  static uint16_t last_timer = 0;
  static uint16_t pos = 0;
  if (timer_elapsed(last_timer) < 500) {
    return;
  }
  last_timer = timer_read();

  for(int i = 0; i<RGBLED_NUM; i++){
      if(i<RGBLED_NUM/2 && pos){
          sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val, (LED_TYPE *)&led[i]);
      }else if (i>=RGBLED_NUM/2 && !pos){
          sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val, (LED_TYPE *)&led[i]);
      }else{
          sethsv(rgblight_config.hue, rgblight_config.sat, 0, (LED_TYPE *)&led[i]);
      }
  }
  rgblight_set();
  pos = (pos + 1) % 2;
}
#endif