quantum/rgblight.c

   1 #include <avr/eeprom.h>
   2 #include <avr/interrupt.h>
   3 #include <util/delay.h>
   4 #include "progmem.h"
   5 #include "timer.h"
   6 #include "rgblight.h"
   7 #include "debug.h"
   8
   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,
  26 };
  27 const uint8_t RGBLED_BREATHING_TABLE[] PROGMEM = {0,0,0,0,1,1,1,2,2,3,4,5,5,6,7,9,10,11,12,14,15,17,18,20,21,23,25,27,29,31,33,35,37,40,42,44,47,49,52,54,57,59,62,65,67,70,73,76,79,82,85,88,90,93,97,100,103,106,109,112,115,118,121,124,127,131,134,137,140,143,146,149,152,155,158,162,165,167,170,173,176,179,182,185,188,190,193,196,198,201,203,206,208,211,213,215,218,220,222,224,226,228,230,232,234,235,237,238,240,241,243,244,245,246,248,249,250,250,251,252,253,253,254,254,254,255,255,255,255,255,255,255,254,254,254,253,253,252,251,250,250,249,248,246,245,244,243,241,240,238,237,235,234,232,230,228,226,224,222,220,218,215,213,211,208,206,203,201,198,196,193,190,188,185,182,179,176,173,170,167,165,162,158,155,152,149,146,143,140,137,134,131,128,124,121,118,115,112,109,106,103,100,97,93,90,88,85,82,79,76,73,70,67,65,62,59,57,54,52,49,47,44,42,40,37,35,33,31,29,27,25,23,21,20,18,17,15,14,12,11,10,9,7,6,5,5,4,3,2,2,1,1,1,0,0,0};
  28 const uint8_t RGBLED_BREATHING_INTERVALS[] PROGMEM = {30, 20, 10, 5};
  29 const uint8_t RGBLED_RAINBOW_MOOD_INTERVALS[] PROGMEM = {120, 60, 30};
  30 const uint8_t RGBLED_RAINBOW_SWIRL_INTERVALS[] PROGMEM = {100, 50, 20};
  31 const uint8_t RGBLED_SNAKE_INTERVALS[] PROGMEM = {100, 50, 20};
  32 const uint8_t RGBLED_KNIGHT_INTERVALS[] PROGMEM = {100, 50, 20};
  33
  34 rgblight_config_t rgblight_config;
  35 rgblight_config_t inmem_config;
  36 struct cRGB led[RGBLED_NUM];
  37 uint8_t rgblight_inited = 0;
  38
  39
  40 void sethsv(uint16_t hue, uint8_t sat, uint8_t val, struct cRGB *led1) {
  41         /* convert hue, saturation and brightness ( HSB/HSV ) to RGB
  42         The DIM_CURVE is used only on brightness/value and on saturation (inverted).
  43         This looks the most natural.
  44         */
  45   uint8_t r, g, b;
  46
  47   val = pgm_read_byte(&DIM_CURVE[val]);
  48         sat = 255 - pgm_read_byte(&DIM_CURVE[255 - sat]);
  49
  50         uint8_t base;
  51
  52         if (sat == 0) { // Acromatic color (gray). Hue doesn't mind.
  53                 r = val;
  54                 g = val;
  55                 b = val;
  56         } else  {
  57                 base = ((255 - sat) * val) >> 8;
  58
  59                 switch (hue / 60) {
  60                 case 0:
  61                         r = val;
  62                         g = (((val - base)*hue) / 60) + base;
  63                         b = base;
  64                         break;
  65
  66                 case 1:
  67                         r = (((val - base)*(60 - (hue % 60))) / 60) + base;
  68                         g = val;
  69                         b = base;
  70                         break;
  71
  72                 case 2:
  73                         r = base;
  74                         g = val;
  75                         b = (((val - base)*(hue % 60)) / 60) + base;
  76                         break;
  77
  78                 case 3:
  79                         r = base;
  80                         g = (((val - base)*(60 - (hue % 60))) / 60) + base;
  81                         b = val;
  82                         break;
  83
  84                 case 4:
  85                         r = (((val - base)*(hue % 60)) / 60) + base;
  86                         g = base;
  87                         b = val;
  88                         break;
  89
  90                 case 5:
  91                         r = val;
  92                         g = base;
  93                         b = (((val - base)*(60 - (hue % 60))) / 60) + base;
  94                         break;
  95                 }
  96         }
  97   setrgb(r,g,b, led1);
  98 }
  99
 100 void setrgb(uint8_t r, uint8_t g, uint8_t b, struct cRGB *led1) {
 101   (*led1).r = r;
 102   (*led1).g = g;
 103   (*led1).b = b;
 104 }
 105
 106
 107 uint32_t eeconfig_read_rgblight(void) {
 108   return eeprom_read_dword(EECONFIG_RGBLIGHT);
 109 }
 110 void eeconfig_update_rgblight(uint32_t val) {
 111   eeprom_update_dword(EECONFIG_RGBLIGHT, val);
 112 }
 113 void eeconfig_update_rgblight_default(void) {
 114         dprintf("eeconfig_update_rgblight_default\n");
 115         rgblight_config.enable = 1;
 116         rgblight_config.mode = 1;
 117         rgblight_config.hue = 200;
 118         rgblight_config.sat = 204;
 119         rgblight_config.val = 204;
 120         eeconfig_update_rgblight(rgblight_config.raw);
 121 }
 122 void eeconfig_debug_rgblight(void) {
 123         dprintf("rgblight_config eprom\n");
 124         dprintf("rgblight_config.enable = %d\n", rgblight_config.enable);
 125         dprintf("rghlight_config.mode = %d\n", rgblight_config.mode);
 126         dprintf("rgblight_config.hue = %d\n", rgblight_config.hue);
 127         dprintf("rgblight_config.sat = %d\n", rgblight_config.sat);
 128         dprintf("rgblight_config.val = %d\n", rgblight_config.val);
 129 }
 130
 131 void rgblight_init(void) {
 132   debug_enable = 1; // Debug ON!
 133         dprintf("rgblight_init called.\n");
 134   rgblight_inited = 1;
 135         dprintf("rgblight_init start!\n");
 136   if (!eeconfig_is_enabled()) {
 137                 dprintf("rgblight_init eeconfig is not enabled.\n");
 138     eeconfig_init();
 139                 eeconfig_update_rgblight_default();
 140   }
 141   rgblight_config.raw = eeconfig_read_rgblight();
 142         if (!rgblight_config.mode) {
 143                 dprintf("rgblight_init rgblight_config.mode = 0. Write default values to EEPROM.\n");
 144                 eeconfig_update_rgblight_default();
 145                 rgblight_config.raw = eeconfig_read_rgblight();
 146         }
 147         eeconfig_debug_rgblight(); // display current eeprom values
 148
 149         rgblight_timer_init(); // setup the timer
 150
 151   if (rgblight_config.enable) {
 152     rgblight_mode(rgblight_config.mode);
 153   }
 154 }
 155
 156 void rgblight_increase(void) {
 157         uint8_t mode;
 158   if (rgblight_config.mode < RGBLIGHT_MODES) {
 159     mode = rgblight_config.mode + 1;
 160   }
 161         rgblight_mode(mode);
 162 }
 163
 164 void rgblight_decrease(void) {
 165         uint8_t mode;
 166   if (rgblight_config.mode > 1) { //mode will never < 1, if mode is less than 1, eeprom need to be initialized.
 167     mode = rgblight_config.mode-1;
 168   }
 169         rgblight_mode(mode);
 170 }
 171
 172 void rgblight_step(void) {
 173         uint8_t mode;
 174   mode = rgblight_config.mode + 1;
 175   if (mode > RGBLIGHT_MODES) {
 176     mode = 1;
 177   }
 178         rgblight_mode(mode);
 179 }
 180
 181 void rgblight_mode(uint8_t mode) {
 182         if (!rgblight_config.enable) {
 183                 return;
 184         }
 185   if (mode<1) {
 186                 rgblight_config.mode = 1;
 187         } else if (mode > RGBLIGHT_MODES) {
 188                 rgblight_config.mode = RGBLIGHT_MODES;
 189         } else {
 190                 rgblight_config.mode = mode;
 191         }
 192 <<<<<<< HEAD
 193   eeconfig_update_rgblight(rgblight_config.raw);
 194   dprintf("rgblight mode: %u\n", rgblight_config.mode);
 195 =======
 196   eeconfig_write_rgblight(rgblight_config.raw);
 197   xprintf("rgblight mode: %u\n", rgblight_config.mode);
 198 >>>>>>> pr/286
 199         if (rgblight_config.mode == 1) {
 200                 rgblight_timer_disable();
 201         } else if (rgblight_config.mode >=2 && rgblight_config.mode <=23) {
 202                 // MODE 2-5, breathing
 203                 // MODE 6-8, rainbow mood
 204                 // MODE 9-14, rainbow swirl
 205                 // MODE 15-20, snake
 206                 // MODE 21-23, knight
 207                 rgblight_timer_enable();
 208         }
 209   rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
 210 }
 211
 212 void rgblight_toggle(void) {
 213   rgblight_config.enable ^= 1;
 214   eeconfig_update_rgblight(rgblight_config.raw);
 215   xprintf("rgblight toggle: rgblight_config.enable = %u\n", rgblight_config.enable);
 216         if (rgblight_config.enable) {
 217                 rgblight_mode(rgblight_config.mode);
 218         } else {
 219                 rgblight_timer_disable();
 220                 _delay_ms(50);
 221                 rgblight_set();
 222         }
 223 }
 224
 225
 226 void rgblight_increase_hue(void){
 227         uint16_t hue;
 228   hue = (rgblight_config.hue+RGBLIGHT_HUE_STEP) % 360;
 229   rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
 230 }
 231 void rgblight_decrease_hue(void){
 232         uint16_t hue;
 233         if (rgblight_config.hue-RGBLIGHT_HUE_STEP <0 ) {
 234                 hue = (rgblight_config.hue+360-RGBLIGHT_HUE_STEP) % 360;
 235         } else {
 236                 hue = (rgblight_config.hue-RGBLIGHT_HUE_STEP) % 360;
 237         }
 238   rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
 239 }
 240 void rgblight_increase_sat(void) {
 241         uint8_t sat;
 242   if (rgblight_config.sat + RGBLIGHT_SAT_STEP > 255) {
 243     sat = 255;
 244   } else {
 245     sat = rgblight_config.sat+RGBLIGHT_SAT_STEP;
 246   }
 247   rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
 248 }
 249 void rgblight_decrease_sat(void){
 250         uint8_t sat;
 251   if (rgblight_config.sat - RGBLIGHT_SAT_STEP < 0) {
 252     sat = 0;
 253   } else {
 254     sat = rgblight_config.sat-RGBLIGHT_SAT_STEP;
 255   }
 256   rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
 257 }
 258 void rgblight_increase_val(void){
 259         uint8_t val;
 260   if (rgblight_config.val + RGBLIGHT_VAL_STEP > 255) {
 261     val = 255;
 262   } else {
 263     val = rgblight_config.val+RGBLIGHT_VAL_STEP;
 264   }
 265   rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
 266 }
 267 void rgblight_decrease_val(void) {
 268         uint8_t val;
 269   if (rgblight_config.val - RGBLIGHT_VAL_STEP < 0) {
 270     val = 0;
 271   } else {
 272     val = rgblight_config.val-RGBLIGHT_VAL_STEP;
 273   }
 274   rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
 275 }
 276
 277 void rgblight_sethsv_noeeprom(uint16_t hue, uint8_t sat, uint8_t val){
 278         inmem_config.raw = rgblight_config.raw;
 279   if (rgblight_config.enable) {
 280     struct cRGB tmp_led;
 281     sethsv(hue, sat, val, &tmp_led);
 282                 inmem_config.hue = hue;
 283                 inmem_config.sat = sat;
 284                 inmem_config.val = val;
 285     // dprintf("rgblight set hue [MEMORY]: %u,%u,%u\n", inmem_config.hue, inmem_config.sat, inmem_config.val);
 286     rgblight_setrgb(tmp_led.r, tmp_led.g, tmp_led.b);
 287   }
 288 }
 289 void rgblight_sethsv(uint16_t hue, uint8_t sat, uint8_t val){
 290   if (rgblight_config.enable) {
 291                 if (rgblight_config.mode == 1) {
 292                         // same static color
 293                         rgblight_sethsv_noeeprom(hue, sat, val);
 294                 } else {
 295                         // all LEDs in same color
 296                         if (rgblight_config.mode >= 2 && rgblight_config.mode <= 5) {
 297                                 // breathing mode, ignore the change of val, use in memory value instead
 298                                 val = rgblight_config.val;
 299                         } else if (rgblight_config.mode >= 6 && rgblight_config.mode <= 14) {
 300                                 // rainbow mood and rainbow swirl, ignore the change of hue
 301                                 hue = rgblight_config.hue;
 302                         }
 303                 }
 304                 rgblight_config.hue = hue;
 305                 rgblight_config.sat = sat;
 306                 rgblight_config.val = val;
 307                 eeconfig_update_rgblight(rgblight_config.raw);
 308                 xprintf("rgblight set hsv [EEPROM]: %u,%u,%u\n", rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
 309   }
 310 }
 311
 312 void rgblight_setrgb(uint8_t r, uint8_t g, uint8_t b){
 313   // dprintf("rgblight set rgb: %u,%u,%u\n", r,g,b);
 314   for (uint8_t i=0;i<RGBLED_NUM;i++) {
 315     led[i].r = r;
 316     led[i].g = g;
 317     led[i].b = b;
 318   }
 319   rgblight_set();
 320
 321 }
 322
 323 void rgblight_set(void) {
 324         if (rgblight_config.enable) {
 325                 ws2812_setleds(led, RGBLED_NUM);
 326         } else {
 327                 for (uint8_t i=0;i<RGBLED_NUM;i++) {
 328             led[i].r = 0;
 329             led[i].g = 0;
 330             led[i].b = 0;
 331           }
 332                 ws2812_setleds(led, RGBLED_NUM);
 333         }
 334 }
 335
 336 // Animation timer -- AVR Timer3
 337 void rgblight_timer_init(void) {
 338         static uint8_t rgblight_timer_is_init = 0;
 339         if (rgblight_timer_is_init) {
 340                 return;
 341         }
 342         rgblight_timer_is_init = 1;
 343         /* Timer 3 setup */
 344         TCCR3B = _BV(WGM32) //CTC mode OCR3A as TOP
 345               | _BV(CS30); //Clock selelct: clk/1
 346         /* Set TOP value */
 347         uint8_t sreg = SREG;
 348         cli();
 349         OCR3AH = (RGBLED_TIMER_TOP>>8)&0xff;
 350         OCR3AL = RGBLED_TIMER_TOP&0xff;
 351         SREG = sreg;
 352 }
 353 void rgblight_timer_enable(void) {
 354         TIMSK3 |= _BV(OCIE3A);
 355         dprintf("TIMER3 enabled.\n");
 356 }
 357 void rgblight_timer_disable(void) {
 358         TIMSK3 &= ~_BV(OCIE3A);
 359         dprintf("TIMER3 disabled.\n");
 360 }
 361 void rgblight_timer_toggle(void) {
 362         TIMSK3 ^= _BV(OCIE3A);
 363         dprintf("TIMER3 toggled.\n");
 364 }
 365
 366 ISR(TIMER3_COMPA_vect) {
 367         // Mode = 1, static light, do nothing here
 368         if (rgblight_config.mode>=2 && rgblight_config.mode<=5) {
 369                 // mode = 2 to 5, breathing mode
 370                 rgblight_effect_breathing(rgblight_config.mode-2);
 371
 372         } else if (rgblight_config.mode>=6 && rgblight_config.mode<=8) {
 373                 rgblight_effect_rainbow_mood(rgblight_config.mode-6);
 374         } else if (rgblight_config.mode>=9 && rgblight_config.mode<=14) {
 375                 rgblight_effect_rainbow_swirl(rgblight_config.mode-9);
 376         } else if (rgblight_config.mode>=15 && rgblight_config.mode<=20) {
 377                 rgblight_effect_snake(rgblight_config.mode-15);
 378         } else if (rgblight_config.mode>=21 && rgblight_config.mode<=23) {
 379                 rgblight_effect_knight(rgblight_config.mode-21);
 380         }
 381 }
 382
 383 // effects
 384 void rgblight_effect_breathing(uint8_t interval) {
 385         static uint8_t pos = 0;
 386         static uint16_t last_timer = 0;
 387
 388         if (timer_elapsed(last_timer)<pgm_read_byte(&RGBLED_BREATHING_INTERVALS[interval])) return;
 389         last_timer = timer_read();
 390
 391         rgblight_sethsv_noeeprom(rgblight_config.hue, rgblight_config.sat, pgm_read_byte(&RGBLED_BREATHING_TABLE[pos]));
 392         pos = (pos+1) % 256;
 393 }
 394
 395 void rgblight_effect_rainbow_mood(uint8_t interval) {
 396         static uint16_t current_hue=0;
 397         static uint16_t last_timer = 0;
 398
 399         if (timer_elapsed(last_timer)<pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval])) return;
 400         last_timer = timer_read();
 401         rgblight_sethsv_noeeprom(current_hue, rgblight_config.sat, rgblight_config.val);
 402         current_hue = (current_hue+1) % 360;
 403 }
 404
 405 void rgblight_effect_rainbow_swirl(uint8_t interval) {
 406         static uint16_t current_hue=0;
 407         static uint16_t last_timer = 0;
 408         uint16_t hue;
 409         uint8_t i;
 410         if (timer_elapsed(last_timer)<pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval/2])) return;
 411         last_timer = timer_read();
 412         for (i=0; i<RGBLED_NUM; i++) {
 413                 hue = (360/RGBLED_NUM*i+current_hue)%360;
 414                 sethsv(hue, rgblight_config.sat, rgblight_config.val, &led[i]);
 415         }
 416         rgblight_set();
 417
 418         if (interval % 2) {
 419                 current_hue = (current_hue+1) % 360;
 420         } else {
 421                 if (current_hue -1 < 0) {
 422                         current_hue = 359;
 423                 } else {
 424                         current_hue = current_hue - 1;
 425                 }
 426
 427         }
 428 }
 429 void rgblight_effect_snake(uint8_t interval) {
 430         static uint8_t pos=0;
 431         static uint16_t last_timer = 0;
 432         uint8_t i,j;
 433         int8_t k;
 434         int8_t increament = 1;
 435         if (interval%2) increament = -1;
 436         if (timer_elapsed(last_timer)<pgm_read_byte(&RGBLED_SNAKE_INTERVALS[interval/2])) return;
 437         last_timer = timer_read();
 438         for (i=0;i<RGBLED_NUM;i++) {
 439                 led[i].r=0;
 440                 led[i].g=0;
 441                 led[i].b=0;
 442                 for (j=0;j<RGBLIGHT_EFFECT_SNAKE_LENGTH;j++) {
 443                         k = pos+j*increament;
 444                         if (k<0) k = k+RGBLED_NUM;
 445                         if (i==k) {
 446                                 sethsv(rgblight_config.hue, rgblight_config.sat, (uint8_t)(rgblight_config.val*(RGBLIGHT_EFFECT_SNAKE_LENGTH-j)/RGBLIGHT_EFFECT_SNAKE_LENGTH), &led[i]);
 447                         }
 448                 }
 449         }
 450         rgblight_set();
 451         if (increament == 1) {
 452                 if (pos - 1 < 0) {
 453                         pos = RGBLED_NUM-1;
 454                 } else {
 455                         pos -= 1;
 456                 }
 457         } else {
 458                 pos = (pos+1)%RGBLED_NUM;
 459         }
 460
 461 }
 462
 463 void rgblight_effect_knight(uint8_t interval) {
 464         static int8_t pos=0;
 465         static uint16_t last_timer = 0;
 466         uint8_t i,j,cur;
 467         int8_t k;
 468         struct cRGB preled[RGBLED_NUM];
 469         static int8_t increament = -1;
 470         if (timer_elapsed(last_timer)<pgm_read_byte(&RGBLED_KNIGHT_INTERVALS[interval])) return;
 471         last_timer = timer_read();
 472         for (i=0;i<RGBLED_NUM;i++) {
 473                 preled[i].r=0;
 474                 preled[i].g=0;
 475                 preled[i].b=0;
 476                 for (j=0;j<RGBLIGHT_EFFECT_KNIGHT_LENGTH;j++) {
 477                         k = pos+j*increament;
 478                         if (k<0) k = 0;
 479                         if (k>=RGBLED_NUM) k=RGBLED_NUM-1;
 480                         if (i==k) {
 481                                 sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val, &preled[i]);
 482                         }
 483                 }
 484         }
 485         if (RGBLIGHT_EFFECT_KNIGHT_OFFSET) {
 486                 for (i=0;i<RGBLED_NUM;i++) {
 487                         cur = (i+RGBLIGHT_EFFECT_KNIGHT_OFFSET) % RGBLED_NUM;
 488                         led[i].r = preled[cur].r;
 489                         led[i].g = preled[cur].g;
 490                         led[i].b = preled[cur].b;
 491                 }
 492         }
 493         rgblight_set();
 494         if (increament == 1) {
 495                 if (pos - 1 < 0 - RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
 496                         pos = 0- RGBLIGHT_EFFECT_KNIGHT_LENGTH;
 497                         increament = -1;
 498                 } else {
 499                         pos -= 1;
 500                 }
 501         } else {
 502                 if (pos+1>RGBLED_NUM+RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
 503                         pos = RGBLED_NUM+RGBLIGHT_EFFECT_KNIGHT_LENGTH-1;
 504                         increament = 1;
 505                 } else {
 506                         pos += 1;
 507                 }
 508         }
 509
 510 }