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/>.
17 #include <avr/eeprom.h>
18 #include <avr/interrupt.h>
19 #include <util/delay.h>
24 #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
= {127, 63, 31};
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 uint32_t rgblight_get_mode(void) {
201 if (!rgblight_config
.enable
) {
205 return rgblight_config
.mode
;
208 void rgblight_mode(uint8_t mode
) {
209 if (!rgblight_config
.enable
) {
213 rgblight_config
.mode
= 1;
214 } else if (mode
> RGBLIGHT_MODES
) {
215 rgblight_config
.mode
= RGBLIGHT_MODES
;
217 rgblight_config
.mode
= mode
;
219 eeconfig_update_rgblight(rgblight_config
.raw
);
220 xprintf("rgblight mode: %u\n", rgblight_config
.mode
);
221 if (rgblight_config
.mode
== 1) {
222 #ifdef RGBLIGHT_ANIMATIONS
223 rgblight_timer_disable();
225 } else if (rgblight_config
.mode
>= 2 && rgblight_config
.mode
<= 24) {
226 // MODE 2-5, breathing
227 // MODE 6-8, rainbow mood
228 // MODE 9-14, rainbow swirl
230 // MODE 21-23, knight
232 // MODE 25-34, static rainbow
234 #ifdef RGBLIGHT_ANIMATIONS
235 rgblight_timer_enable();
237 } else if (rgblight_config
.mode
>= 25 && rgblight_config
.mode
<= 34) {
238 // MODE 25-34, static gradient
240 #ifdef RGBLIGHT_ANIMATIONS
241 rgblight_timer_disable();
244 rgblight_sethsv(rgblight_config
.hue
, rgblight_config
.sat
, rgblight_config
.val
);
247 void rgblight_toggle(void) {
248 rgblight_config
.enable
^= 1;
249 eeconfig_update_rgblight(rgblight_config
.raw
);
250 xprintf("rgblight toggle: rgblight_config.enable = %u\n", rgblight_config
.enable
);
251 if (rgblight_config
.enable
) {
252 rgblight_mode(rgblight_config
.mode
);
254 #ifdef RGBLIGHT_ANIMATIONS
255 rgblight_timer_disable();
262 void rgblight_enable(void) {
263 rgblight_config
.enable
= 1;
264 eeconfig_update_rgblight(rgblight_config
.raw
);
265 xprintf("rgblight enable: rgblight_config.enable = %u\n", rgblight_config
.enable
);
266 rgblight_mode(rgblight_config
.mode
);
270 void rgblight_increase_hue(void) {
272 hue
= (rgblight_config
.hue
+RGBLIGHT_HUE_STEP
) % 360;
273 rgblight_sethsv(hue
, rgblight_config
.sat
, rgblight_config
.val
);
275 void rgblight_decrease_hue(void) {
277 if (rgblight_config
.hue
-RGBLIGHT_HUE_STEP
< 0) {
278 hue
= (rgblight_config
.hue
+ 360 - RGBLIGHT_HUE_STEP
) % 360;
280 hue
= (rgblight_config
.hue
- RGBLIGHT_HUE_STEP
) % 360;
282 rgblight_sethsv(hue
, rgblight_config
.sat
, rgblight_config
.val
);
284 void rgblight_increase_sat(void) {
286 if (rgblight_config
.sat
+ RGBLIGHT_SAT_STEP
> 255) {
289 sat
= rgblight_config
.sat
+ RGBLIGHT_SAT_STEP
;
291 rgblight_sethsv(rgblight_config
.hue
, sat
, rgblight_config
.val
);
293 void rgblight_decrease_sat(void) {
295 if (rgblight_config
.sat
- RGBLIGHT_SAT_STEP
< 0) {
298 sat
= rgblight_config
.sat
- RGBLIGHT_SAT_STEP
;
300 rgblight_sethsv(rgblight_config
.hue
, sat
, rgblight_config
.val
);
302 void rgblight_increase_val(void) {
304 if (rgblight_config
.val
+ RGBLIGHT_VAL_STEP
> 255) {
307 val
= rgblight_config
.val
+ RGBLIGHT_VAL_STEP
;
309 rgblight_sethsv(rgblight_config
.hue
, rgblight_config
.sat
, val
);
311 void rgblight_decrease_val(void) {
313 if (rgblight_config
.val
- RGBLIGHT_VAL_STEP
< 0) {
316 val
= rgblight_config
.val
- RGBLIGHT_VAL_STEP
;
318 rgblight_sethsv(rgblight_config
.hue
, rgblight_config
.sat
, val
);
321 void rgblight_sethsv_noeeprom(uint16_t hue
, uint8_t sat
, uint8_t val
) {
322 inmem_config
.raw
= rgblight_config
.raw
;
323 if (rgblight_config
.enable
) {
325 sethsv(hue
, sat
, val
, &tmp_led
);
326 inmem_config
.hue
= hue
;
327 inmem_config
.sat
= sat
;
328 inmem_config
.val
= val
;
329 // dprintf("rgblight set hue [MEMORY]: %u,%u,%u\n", inmem_config.hue, inmem_config.sat, inmem_config.val);
330 rgblight_setrgb(tmp_led
.r
, tmp_led
.g
, tmp_led
.b
);
333 void rgblight_sethsv(uint16_t hue
, uint8_t sat
, uint8_t val
) {
334 if (rgblight_config
.enable
) {
335 if (rgblight_config
.mode
== 1) {
337 rgblight_sethsv_noeeprom(hue
, sat
, val
);
339 // all LEDs in same color
340 if (rgblight_config
.mode
>= 2 && rgblight_config
.mode
<= 5) {
341 // breathing mode, ignore the change of val, use in memory value instead
342 val
= rgblight_config
.val
;
343 } else if (rgblight_config
.mode
>= 6 && rgblight_config
.mode
<= 14) {
344 // rainbow mood and rainbow swirl, ignore the change of hue
345 hue
= rgblight_config
.hue
;
346 } else if (rgblight_config
.mode
>= 25 && rgblight_config
.mode
<= 34) {
349 int8_t direction
= ((rgblight_config
.mode
- 25) % 2) ? -1 : 1;
350 uint16_t range
= pgm_read_word(&RGBLED_GRADIENT_RANGES
[(rgblight_config
.mode
- 25) / 2]);
351 for (uint8_t i
= 0; i
< RGBLED_NUM
; i
++) {
352 _hue
= (range
/ RGBLED_NUM
* i
* direction
+ hue
+ 360) % 360;
353 dprintf("rgblight rainbow set hsv: %u,%u,%d,%u\n", i
, _hue
, direction
, range
);
354 sethsv(_hue
, sat
, val
, (LED_TYPE
*)&led
[i
]);
359 rgblight_config
.hue
= hue
;
360 rgblight_config
.sat
= sat
;
361 rgblight_config
.val
= val
;
362 eeconfig_update_rgblight(rgblight_config
.raw
);
363 xprintf("rgblight set hsv [EEPROM]: %u,%u,%u\n", rgblight_config
.hue
, rgblight_config
.sat
, rgblight_config
.val
);
367 void rgblight_setrgb(uint8_t r
, uint8_t g
, uint8_t b
) {
368 // dprintf("rgblight set rgb: %u,%u,%u\n", r,g,b);
369 for (uint8_t i
= 0; i
< RGBLED_NUM
; i
++) {
377 #ifndef RGBLIGHT_CUSTOM_DRIVER
378 void rgblight_set(void) {
379 if (rgblight_config
.enable
) {
381 ws2812_setleds_rgbw(led
, RGBLED_NUM
);
383 ws2812_setleds(led
, RGBLED_NUM
);
386 for (uint8_t i
= 0; i
< RGBLED_NUM
; i
++) {
392 ws2812_setleds_rgbw(led
, RGBLED_NUM
);
394 ws2812_setleds(led
, RGBLED_NUM
);
400 #ifdef RGBLIGHT_ANIMATIONS
402 // Animation timer -- AVR Timer3
403 void rgblight_timer_init(void) {
404 // static uint8_t rgblight_timer_is_init = 0;
405 // if (rgblight_timer_is_init) {
408 // rgblight_timer_is_init = 1;
409 // /* Timer 3 setup */
410 // TCCR3B = _BV(WGM32) // CTC mode OCR3A as TOP
411 // | _BV(CS30); // Clock selelct: clk/1
412 // /* Set TOP value */
413 // uint8_t sreg = SREG;
415 // OCR3AH = (RGBLED_TIMER_TOP >> 8) & 0xff;
416 // OCR3AL = RGBLED_TIMER_TOP & 0xff;
419 rgblight_timer_enabled
= true;
421 void rgblight_timer_enable(void) {
422 rgblight_timer_enabled
= true;
423 dprintf("TIMER3 enabled.\n");
425 void rgblight_timer_disable(void) {
426 rgblight_timer_enabled
= false;
427 dprintf("TIMER3 disabled.\n");
429 void rgblight_timer_toggle(void) {
430 rgblight_timer_enabled
^= rgblight_timer_enabled
;
431 dprintf("TIMER3 toggled.\n");
434 void rgblight_show_solid_color(uint8_t r
, uint8_t g
, uint8_t b
) {
437 rgblight_setrgb(r
, g
, b
);
440 void rgblight_task(void) {
441 if (rgblight_timer_enabled
) {
442 // mode = 1, static light, do nothing here
443 if (rgblight_config
.mode
>= 2 && rgblight_config
.mode
<= 5) {
444 // mode = 2 to 5, breathing mode
445 rgblight_effect_breathing(rgblight_config
.mode
- 2);
446 } else if (rgblight_config
.mode
>= 6 && rgblight_config
.mode
<= 8) {
447 // mode = 6 to 8, rainbow mood mod
448 rgblight_effect_rainbow_mood(rgblight_config
.mode
- 6);
449 } else if (rgblight_config
.mode
>= 9 && rgblight_config
.mode
<= 14) {
450 // mode = 9 to 14, rainbow swirl mode
451 rgblight_effect_rainbow_swirl(rgblight_config
.mode
- 9);
452 } else if (rgblight_config
.mode
>= 15 && rgblight_config
.mode
<= 20) {
453 // mode = 15 to 20, snake mode
454 rgblight_effect_snake(rgblight_config
.mode
- 15);
455 } else if (rgblight_config
.mode
>= 21 && rgblight_config
.mode
<= 23) {
456 // mode = 21 to 23, knight mode
457 rgblight_effect_knight(rgblight_config
.mode
- 21);
458 } else if (rgblight_config
.mode
== 24) {
459 // mode = 24, christmas mode
460 rgblight_effect_christmas();
466 void rgblight_effect_breathing(uint8_t interval
) {
467 static uint8_t pos
= 0;
468 static uint16_t last_timer
= 0;
471 if (timer_elapsed(last_timer
) < pgm_read_byte(&RGBLED_BREATHING_INTERVALS
[interval
])) {
474 last_timer
= timer_read();
477 // http://sean.voisen.org/blog/2011/10/breathing-led-with-arduino/
478 val
= (exp(sin((pos
/255.0)*M_PI
)) - RGBLIGHT_EFFECT_BREATHE_CENTER
/M_E
)*(RGBLIGHT_EFFECT_BREATHE_MAX
/(M_E
-1/M_E
));
479 rgblight_sethsv_noeeprom(rgblight_config
.hue
, rgblight_config
.sat
, val
);
480 pos
= (pos
+ 1) % 256;
482 void rgblight_effect_rainbow_mood(uint8_t interval
) {
483 static uint16_t current_hue
= 0;
484 static uint16_t last_timer
= 0;
486 if (timer_elapsed(last_timer
) < pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS
[interval
])) {
489 last_timer
= timer_read();
490 rgblight_sethsv_noeeprom(current_hue
, rgblight_config
.sat
, rgblight_config
.val
);
491 current_hue
= (current_hue
+ 1) % 360;
493 void rgblight_effect_rainbow_swirl(uint8_t interval
) {
494 static uint16_t current_hue
= 0;
495 static uint16_t last_timer
= 0;
498 if (timer_elapsed(last_timer
) < pgm_read_byte(&RGBLED_RAINBOW_SWIRL_INTERVALS
[interval
/ 2])) {
501 last_timer
= timer_read();
502 for (i
= 0; i
< RGBLED_NUM
; i
++) {
503 hue
= (360 / RGBLED_NUM
* i
+ current_hue
) % 360;
504 sethsv(hue
, rgblight_config
.sat
, rgblight_config
.val
, (LED_TYPE
*)&led
[i
]);
509 current_hue
= (current_hue
+ 1) % 360;
511 if (current_hue
- 1 < 0) {
514 current_hue
= current_hue
- 1;
518 void rgblight_effect_snake(uint8_t interval
) {
519 static uint8_t pos
= 0;
520 static uint16_t last_timer
= 0;
523 int8_t increment
= 1;
527 if (timer_elapsed(last_timer
) < pgm_read_byte(&RGBLED_SNAKE_INTERVALS
[interval
/ 2])) {
530 last_timer
= timer_read();
531 for (i
= 0; i
< RGBLED_NUM
; i
++) {
535 for (j
= 0; j
< RGBLIGHT_EFFECT_SNAKE_LENGTH
; j
++) {
536 k
= pos
+ j
* increment
;
541 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
]);
546 if (increment
== 1) {
548 pos
= RGBLED_NUM
- 1;
553 pos
= (pos
+ 1) % RGBLED_NUM
;
556 void rgblight_effect_knight(uint8_t interval
) {
557 static uint16_t last_timer
= 0;
558 if (timer_elapsed(last_timer
) < pgm_read_byte(&RGBLED_KNIGHT_INTERVALS
[interval
])) {
561 last_timer
= timer_read();
563 static int8_t low_bound
= 0;
564 static int8_t high_bound
= RGBLIGHT_EFFECT_KNIGHT_LENGTH
- 1;
565 static int8_t increment
= 1;
568 // Set all the LEDs to 0
569 for (i
= 0; i
< RGBLED_NUM
; i
++) {
574 // Determine which LEDs should be lit up
575 for (i
= 0; i
< RGBLIGHT_EFFECT_KNIGHT_LED_NUM
; i
++) {
576 cur
= (i
+ RGBLIGHT_EFFECT_KNIGHT_OFFSET
) % RGBLED_NUM
;
578 if (i
>= low_bound
&& i
<= high_bound
) {
579 sethsv(rgblight_config
.hue
, rgblight_config
.sat
, rgblight_config
.val
, (LED_TYPE
*)&led
[cur
]);
588 // Move from low_bound to high_bound changing the direction we increment each
589 // time a boundary is hit.
590 low_bound
+= increment
;
591 high_bound
+= increment
;
593 if (high_bound
<= 0 || low_bound
>= RGBLIGHT_EFFECT_KNIGHT_LED_NUM
- 1) {
594 increment
= -increment
;
599 void rgblight_effect_christmas(void) {
600 static uint16_t current_offset
= 0;
601 static uint16_t last_timer
= 0;
604 if (timer_elapsed(last_timer
) < RGBLIGHT_EFFECT_CHRISTMAS_INTERVAL
) {
607 last_timer
= timer_read();
608 current_offset
= (current_offset
+ 1) % 2;
609 for (i
= 0; i
< RGBLED_NUM
; i
++) {
610 hue
= 0 + ((i
/RGBLIGHT_EFFECT_CHRISTMAS_STEP
+ current_offset
) % 2) * 120;
611 sethsv(hue
, rgblight_config
.sat
, rgblight_config
.val
, (LED_TYPE
*)&led
[i
]);