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 = {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};
34 rgblight_config_t rgblight_config;
35 rgblight_config_t inmem_config;
36 struct cRGB led[RGBLED_NUM];
37 uint8_t rgblight_inited = 0;
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.
45 uint8_t r = 0, g = 0, b = 0;
47 val = pgm_read_byte(&DIM_CURVE[val]);
48 sat = 255 - pgm_read_byte(&DIM_CURVE[255 - sat]);
52 if (sat == 0) { // Acromatic color (gray). Hue doesn't mind.
57 base = ((255 - sat) * val) >> 8;
62 g = (((val - base)*hue) / 60) + base;
67 r = (((val - base)*(60 - (hue % 60))) / 60) + base;
75 b = (((val - base)*(hue % 60)) / 60) + base;
80 g = (((val - base)*(60 - (hue % 60))) / 60) + base;
85 r = (((val - base)*(hue % 60)) / 60) + base;
93 b = (((val - base)*(60 - (hue % 60))) / 60) + base;
100 void setrgb(uint8_t r, uint8_t g, uint8_t b, struct cRGB *led1) {
107 uint32_t eeconfig_read_rgblight(void) {
108 return eeprom_read_dword(EECONFIG_RGBLIGHT);
110 void eeconfig_update_rgblight(uint32_t val) {
111 eeprom_update_dword(EECONFIG_RGBLIGHT, val);
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);
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);
131 void rgblight_init(void) {
132 debug_enable = 1; // Debug ON!
133 dprintf("rgblight_init called.\n");
135 dprintf("rgblight_init start!\n");
136 if (!eeconfig_is_enabled()) {
137 dprintf("rgblight_init eeconfig is not enabled.\n");
139 eeconfig_update_rgblight_default();
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();
147 eeconfig_debug_rgblight(); // display current eeprom values
149 rgblight_timer_init(); // setup the timer
151 if (rgblight_config.enable) {
152 rgblight_mode(rgblight_config.mode);
156 void rgblight_increase(void) {
158 if (rgblight_config.mode < RGBLIGHT_MODES) {
159 mode = rgblight_config.mode + 1;
164 void rgblight_decrease(void) {
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;
172 void rgblight_step(void) {
174 mode = rgblight_config.mode + 1;
175 if (mode > RGBLIGHT_MODES) {
181 void rgblight_mode(uint8_t mode) {
182 if (!rgblight_config.enable) {
186 rgblight_config.mode = 1;
187 } else if (mode > RGBLIGHT_MODES) {
188 rgblight_config.mode = RGBLIGHT_MODES;
190 rgblight_config.mode = mode;
192 eeconfig_update_rgblight(rgblight_config.raw);
193 xprintf("rgblight mode: %u\n", rgblight_config.mode);
194 if (rgblight_config.mode == 1) {
195 rgblight_timer_disable();
196 } else if (rgblight_config.mode >=2 && rgblight_config.mode <=23) {
197 // MODE 2-5, breathing
198 // MODE 6-8, rainbow mood
199 // MODE 9-14, rainbow swirl
201 // MODE 21-23, knight
202 rgblight_timer_enable();
204 rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
207 void rgblight_toggle(void) {
208 rgblight_config.enable ^= 1;
209 eeconfig_update_rgblight(rgblight_config.raw);
210 xprintf("rgblight toggle: rgblight_config.enable = %u\n", rgblight_config.enable);
211 if (rgblight_config.enable) {
212 rgblight_mode(rgblight_config.mode);
214 rgblight_timer_disable();
221 void rgblight_increase_hue(void){
223 hue = (rgblight_config.hue+RGBLIGHT_HUE_STEP) % 360;
224 rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
226 void rgblight_decrease_hue(void){
228 if (rgblight_config.hue-RGBLIGHT_HUE_STEP <0 ) {
229 hue = (rgblight_config.hue+360-RGBLIGHT_HUE_STEP) % 360;
231 hue = (rgblight_config.hue-RGBLIGHT_HUE_STEP) % 360;
233 rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
235 void rgblight_increase_sat(void) {
237 if (rgblight_config.sat + RGBLIGHT_SAT_STEP > 255) {
240 sat = rgblight_config.sat+RGBLIGHT_SAT_STEP;
242 rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
244 void rgblight_decrease_sat(void){
246 if (rgblight_config.sat - RGBLIGHT_SAT_STEP < 0) {
249 sat = rgblight_config.sat-RGBLIGHT_SAT_STEP;
251 rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
253 void rgblight_increase_val(void){
255 if (rgblight_config.val + RGBLIGHT_VAL_STEP > 255) {
258 val = rgblight_config.val+RGBLIGHT_VAL_STEP;
260 rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
262 void rgblight_decrease_val(void) {
264 if (rgblight_config.val - RGBLIGHT_VAL_STEP < 0) {
267 val = rgblight_config.val-RGBLIGHT_VAL_STEP;
269 rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
272 void rgblight_sethsv_noeeprom(uint16_t hue, uint8_t sat, uint8_t val){
273 inmem_config.raw = rgblight_config.raw;
274 if (rgblight_config.enable) {
276 sethsv(hue, sat, val, &tmp_led);
277 inmem_config.hue = hue;
278 inmem_config.sat = sat;
279 inmem_config.val = val;
280 // dprintf("rgblight set hue [MEMORY]: %u,%u,%u\n", inmem_config.hue, inmem_config.sat, inmem_config.val);
281 rgblight_setrgb(tmp_led.r, tmp_led.g, tmp_led.b);
284 void rgblight_sethsv(uint16_t hue, uint8_t sat, uint8_t val){
285 if (rgblight_config.enable) {
286 if (rgblight_config.mode == 1) {
288 rgblight_sethsv_noeeprom(hue, sat, val);
290 // all LEDs in same color
291 if (rgblight_config.mode >= 2 && rgblight_config.mode <= 5) {
292 // breathing mode, ignore the change of val, use in memory value instead
293 val = rgblight_config.val;
294 } else if (rgblight_config.mode >= 6 && rgblight_config.mode <= 14) {
295 // rainbow mood and rainbow swirl, ignore the change of hue
296 hue = rgblight_config.hue;
299 rgblight_config.hue = hue;
300 rgblight_config.sat = sat;
301 rgblight_config.val = val;
302 eeconfig_update_rgblight(rgblight_config.raw);
303 xprintf("rgblight set hsv [EEPROM]: %u,%u,%u\n", rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
307 void rgblight_setrgb(uint8_t r, uint8_t g, uint8_t b){
308 // dprintf("rgblight set rgb: %u,%u,%u\n", r,g,b);
309 for (uint8_t i=0;i<RGBLED_NUM;i++) {
318 void rgblight_set(void) {
319 if (rgblight_config.enable) {
320 ws2812_setleds(led, RGBLED_NUM);
322 for (uint8_t i=0;i<RGBLED_NUM;i++) {
327 ws2812_setleds(led, RGBLED_NUM);
331 // Animation timer -- AVR Timer3
332 void rgblight_timer_init(void) {
333 static uint8_t rgblight_timer_is_init = 0;
334 if (rgblight_timer_is_init) {
337 rgblight_timer_is_init = 1;
339 TCCR3B = _BV(WGM32) //CTC mode OCR3A as TOP
340 | _BV(CS30); //Clock selelct: clk/1
344 OCR3AH = (RGBLED_TIMER_TOP>>8)&0xff;
345 OCR3AL = RGBLED_TIMER_TOP&0xff;
348 void rgblight_timer_enable(void) {
349 TIMSK3 |= _BV(OCIE3A);
350 dprintf("TIMER3 enabled.\n");
352 void rgblight_timer_disable(void) {
353 TIMSK3 &= ~_BV(OCIE3A);
354 dprintf("TIMER3 disabled.\n");
356 void rgblight_timer_toggle(void) {
357 TIMSK3 ^= _BV(OCIE3A);
358 dprintf("TIMER3 toggled.\n");
361 ISR(TIMER3_COMPA_vect) {
362 // Mode = 1, static light, do nothing here
363 if (rgblight_config.mode>=2 && rgblight_config.mode<=5) {
364 // mode = 2 to 5, breathing mode
365 rgblight_effect_breathing(rgblight_config.mode-2);
367 } else if (rgblight_config.mode>=6 && rgblight_config.mode<=8) {
368 rgblight_effect_rainbow_mood(rgblight_config.mode-6);
369 } else if (rgblight_config.mode>=9 && rgblight_config.mode<=14) {
370 rgblight_effect_rainbow_swirl(rgblight_config.mode-9);
371 } else if (rgblight_config.mode>=15 && rgblight_config.mode<=20) {
372 rgblight_effect_snake(rgblight_config.mode-15);
373 } else if (rgblight_config.mode>=21 && rgblight_config.mode<=23) {
374 rgblight_effect_knight(rgblight_config.mode-21);
379 void rgblight_effect_breathing(uint8_t interval) {
380 static uint8_t pos = 0;
381 static uint16_t last_timer = 0;
383 if (timer_elapsed(last_timer)<pgm_read_byte(&RGBLED_BREATHING_INTERVALS[interval])) return;
384 last_timer = timer_read();
386 rgblight_sethsv_noeeprom(rgblight_config.hue, rgblight_config.sat, pgm_read_byte(&RGBLED_BREATHING_TABLE[pos]));
390 void rgblight_effect_rainbow_mood(uint8_t interval) {
391 static uint16_t current_hue=0;
392 static uint16_t last_timer = 0;
394 if (timer_elapsed(last_timer)<pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval])) return;
395 last_timer = timer_read();
396 rgblight_sethsv_noeeprom(current_hue, rgblight_config.sat, rgblight_config.val);
397 current_hue = (current_hue+1) % 360;
400 void rgblight_effect_rainbow_swirl(uint8_t interval) {
401 static uint16_t current_hue=0;
402 static uint16_t last_timer = 0;
405 if (timer_elapsed(last_timer)<pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval/2])) return;
406 last_timer = timer_read();
407 for (i=0; i<RGBLED_NUM; i++) {
408 hue = (360/RGBLED_NUM*i+current_hue)%360;
409 sethsv(hue, rgblight_config.sat, rgblight_config.val, &led[i]);
414 current_hue = (current_hue+1) % 360;
416 if (current_hue -1 < 0) {
419 current_hue = current_hue - 1;
424 void rgblight_effect_snake(uint8_t interval) {
425 static uint8_t pos=0;
426 static uint16_t last_timer = 0;
429 int8_t increament = 1;
430 if (interval%2) increament = -1;
431 if (timer_elapsed(last_timer)<pgm_read_byte(&RGBLED_SNAKE_INTERVALS[interval/2])) return;
432 last_timer = timer_read();
433 for (i=0;i<RGBLED_NUM;i++) {
437 for (j=0;j<RGBLIGHT_EFFECT_SNAKE_LENGTH;j++) {
438 k = pos+j*increament;
439 if (k<0) k = k+RGBLED_NUM;
441 sethsv(rgblight_config.hue, rgblight_config.sat, (uint8_t)(rgblight_config.val*(RGBLIGHT_EFFECT_SNAKE_LENGTH-j)/RGBLIGHT_EFFECT_SNAKE_LENGTH), &led[i]);
446 if (increament == 1) {
453 pos = (pos+1)%RGBLED_NUM;
458 void rgblight_effect_knight(uint8_t interval) {
460 static uint16_t last_timer = 0;
463 struct cRGB preled[RGBLED_NUM];
464 static int8_t increament = -1;
465 if (timer_elapsed(last_timer)<pgm_read_byte(&RGBLED_KNIGHT_INTERVALS[interval])) return;
466 last_timer = timer_read();
467 for (i=0;i<RGBLED_NUM;i++) {
471 for (j=0;j<RGBLIGHT_EFFECT_KNIGHT_LENGTH;j++) {
472 k = pos+j*increament;
474 if (k>=RGBLED_NUM) k=RGBLED_NUM-1;
476 sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val, &preled[i]);
480 if (RGBLIGHT_EFFECT_KNIGHT_OFFSET) {
481 for (i=0;i<RGBLED_NUM;i++) {
482 cur = (i+RGBLIGHT_EFFECT_KNIGHT_OFFSET) % RGBLED_NUM;
483 led[i].r = preled[cur].r;
484 led[i].g = preled[cur].g;
485 led[i].b = preled[cur].b;
489 if (increament == 1) {
490 if (pos - 1 < 0 - RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
491 pos = 0- RGBLIGHT_EFFECT_KNIGHT_LENGTH;
497 if (pos+1>RGBLED_NUM+RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
498 pos = RGBLED_NUM+RGBLIGHT_EFFECT_KNIGHT_LENGTH-1;