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New RGB Lighting effect: Twinkle (#8887)

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* Add twinkle RGB Lighting effect

* 2nd twinkle algo - double-buffering

* Further refinement: Per-LED twinkle

* Add documentation for Twinkle RBG Lighting mode

* Bias twinkle saturation closer to the set value

* Fix whitespace
This commit is contained in:
Joshua Diamond 2020-05-09 04:56:16 -04:00 committed by GitHub
parent e0f548085c
commit 2fe7e221ec
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 100 additions and 4 deletions
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9
docs/feature_rgblight.md
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@ -94,6 +94,7 @@ if `RGBLIGHT_EFFECT_xxxx` or `RGBLIGHT_ANIMATIONS` is defined, you also have a n
|`RGBLIGHT_MODE_STATIC_GRADIENT`| 0,1,..,9 |Static gradient |
|`RGBLIGHT_MODE_RGB_TEST` | *None* |RGB Test |
|`RGBLIGHT_MODE_ALTERNATING` | *None* |Alternating |
|`RGBLIGHT_MODE_TWINKLE` | 0,1,2,3,4,5 |Twinkle |
Check out [this video](https://youtube.com/watch?v=VKrpPAHlisY) for a demonstration.
@ -104,7 +105,7 @@ Note: For versions older than 0.6.117, The mode numbers were written directly. I
Use these defines to add or remove animations from the firmware. When you are running low on flash space, it can be helpful to disable animations you are not using.
|Define |Default |Description |
|------------------------------------|-------------|-------------------------------------------------------------------------------------|
|------------------------------------|-------------|-------------------------------------------------------------------------|
|`RGBLIGHT_ANIMATIONS` |*Not defined*|Enable all additional animation modes. |
|`RGBLIGHT_EFFECT_ALTERNATING` |*Not defined*|Enable alternating animation mode. |
|`RGBLIGHT_EFFECT_BREATHING` |*Not defined*|Enable breathing animation mode. |
@ -115,6 +116,7 @@ Use these defines to add or remove animations from the firmware. When you are ru
|`RGBLIGHT_EFFECT_RGB_TEST` |*Not defined*|Enable RGB test animation mode. |
|`RGBLIGHT_EFFECT_SNAKE` |*Not defined*|Enable snake animation mode. |
|`RGBLIGHT_EFFECT_STATIC_GRADIENT` |*Not defined*|Enable static gradient mode. |
|`RGBLIGHT_EFFECT_TWINKLE` |*Not defined*|Enable twinkle animation mode. |
### Effect and Animation Settings
@ -131,6 +133,8 @@ The following options are used to tweak the various animations:
|`RGBLIGHT_EFFECT_KNIGHT_OFFSET` |`0` |The number of LEDs to start the "Knight" animation from the start of the strip by |
|`RGBLIGHT_RAINBOW_SWIRL_RANGE` |`255` |Range adjustment for the rainbow swirl effect to get different swirls |
|`RGBLIGHT_EFFECT_SNAKE_LENGTH` |`4` |The number of LEDs to light up for the "Snake" animation |
|`RGBLIGHT_EFFECT_TWINKLE_LIFE` |`75` |Adjusts how quickly each LED brightens and dims when twinkling (in animation steps) |
|`RGBLIGHT_EFFECT_TWINKLE_PROBABILITY`|`1/127` |Adjusts how likely each LED is to twinkle (on each animation step) |
### Example Usage to Reduce Memory Footprint
1. Remove `RGBLIGHT_ANIMATIONS` from `config.h`.
@ -168,6 +172,9 @@ const uint8_t RGBLED_SNAKE_INTERVALS[] PROGMEM = {100, 50, 20};
// How long (in milliseconds) to wait between animation steps for each of the "Knight" animations
const uint8_t RGBLED_KNIGHT_INTERVALS[] PROGMEM = {127, 63, 31};
// How long (in milliseconds) to wait between animation steps for each of the "Twinkle" animations
const uint8_t RGBLED_TWINKLE_INTERVALS[] PROGMEM = {50, 25, 10};
// These control which hues are selected for each of the "Static gradient" modes
const uint8_t RGBLED_GRADIENT_RANGES[] PROGMEM = {255, 170, 127, 85, 64};
```

65
quantum/rgblight.c
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@ -15,6 +15,7 @@
*/
#include <math.h>
#include <string.h>
#include <stdlib.h>
#ifdef __AVR__
# include <avr/eeprom.h>
# include <avr/interrupt.h>
@ -561,7 +562,7 @@ void rgblight_sethsv_at(uint8_t hue, uint8_t sat, uint8_t val, uint8_t index) {
rgblight_setrgb_at(tmp_led.r, tmp_led.g, tmp_led.b, index);
}
#if defined(RGBLIGHT_EFFECT_BREATHING) || defined(RGBLIGHT_EFFECT_RAINBOW_MOOD) || defined(RGBLIGHT_EFFECT_RAINBOW_SWIRL) || defined(RGBLIGHT_EFFECT_SNAKE) || defined(RGBLIGHT_EFFECT_KNIGHT)
#if defined(RGBLIGHT_EFFECT_BREATHING) || defined(RGBLIGHT_EFFECT_RAINBOW_MOOD) || defined(RGBLIGHT_EFFECT_RAINBOW_SWIRL) || defined(RGBLIGHT_EFFECT_SNAKE) || defined(RGBLIGHT_EFFECT_KNIGHT) || defined(RGBLIGHT_EFFECT_TWINKLE)
static uint8_t get_interval_time(const uint8_t *default_interval_address, uint8_t velocikey_min, uint8_t velocikey_max) {
return
@ -904,6 +905,12 @@ void rgblight_task(void) {
interval_time = 500;
effect_func = (effect_func_t)rgblight_effect_alternating;
}
# endif
# ifdef RGBLIGHT_EFFECT_TWINKLE
else if (rgblight_status.base_mode == RGBLIGHT_MODE_TWINKLE) {
interval_time = get_interval_time(&RGBLED_TWINKLE_INTERVALS[delta % 3], 5, 50);
effect_func = (effect_func_t)rgblight_effect_twinkle;
}
# endif
if (animation_status.restart) {
animation_status.restart = false;
@ -1189,3 +1196,59 @@ void rgblight_effect_alternating(animation_status_t *anim) {
anim->pos = (anim->pos + 1) % 2;
}
#endif
#ifdef RGBLIGHT_EFFECT_TWINKLE
__attribute__((weak)) const uint8_t RGBLED_TWINKLE_INTERVALS[] PROGMEM = {50, 25, 10};
typedef struct PACKED {
HSV hsv;
uint8_t life;
bool up;
} TwinkleState;
static TwinkleState led_twinkle_state[RGBLED_NUM];
void rgblight_effect_twinkle(animation_status_t *anim) {
bool random_color = anim->delta / 3;
bool restart = anim->pos == 0;
anim->pos = 1;
for (uint8_t i = 0; i < rgblight_ranges.effect_num_leds; i++) {
TwinkleState *t = &(led_twinkle_state[i]);
HSV *c = &(t->hsv);
if (restart) {
// Restart
t->life = 0;
t->hsv.v = 0;
} else if (t->life) {
// This LED is already on, either brightening or dimming
t->life--;
uint8_t on = t->up ? RGBLIGHT_EFFECT_TWINKLE_LIFE - t->life : t->life;
c->v = (uint16_t) rgblight_config.val * on / RGBLIGHT_EFFECT_TWINKLE_LIFE;
if (t->life == 0 && t->up) {
t->up = false;
t->life = RGBLIGHT_EFFECT_TWINKLE_LIFE;
}
if (!random_color) {
c->h = rgblight_config.hue;
c->s = rgblight_config.sat;
}
} else if (rand() < RAND_MAX * RGBLIGHT_EFFECT_TWINKLE_PROBABILITY) {
// This LED is off, but was randomly selected to start brightening
c->h = random_color ? rand() % 0xFF : rgblight_config.hue;
c->s = random_color ? (rand() % (rgblight_config.sat / 2)) + (rgblight_config.sat / 2) : rgblight_config.sat;
c->v = 0;
t->life = RGBLIGHT_EFFECT_TWINKLE_LIFE;
t->up = true;
} else {
// This LED is off, and was NOT selected to start brightening
}
LED_TYPE *ledp = led + i + rgblight_ranges.effect_start_pos;
sethsv(c->h, c->s, c->v, ledp);
}
rgblight_set();
}
#endif

20
quantum/rgblight.h
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@ -59,6 +59,12 @@
| 34 | RGBLIGHT_MODE_STATIC_GRADIENT + 9 |
| 35 | RGBLIGHT_MODE_RGB_TEST |
| 36 | RGBLIGHT_MODE_ALTERNATING |
| 37 | RGBLIGHT_MODE_TWINKLE |
| 38 | RGBLIGHT_MODE_TWINKLE + 1 |
| 39 | RGBLIGHT_MODE_TWINKLE + 2 |
| 40 | RGBLIGHT_MODE_TWINKLE + 3 |
| 41 | RGBLIGHT_MODE_TWINKLE + 4 |
| 42 | RGBLIGHT_MODE_TWINKLE + 5 |
|-----------------|-----------------------------------|
*****/
@ -73,6 +79,7 @@
# define RGBLIGHT_EFFECT_STATIC_GRADIENT
# define RGBLIGHT_EFFECT_RGB_TEST
# define RGBLIGHT_EFFECT_ALTERNATING
# define RGBLIGHT_EFFECT_TWINKLE
#endif
#ifdef RGBLIGHT_STATIC_PATTERNS
@ -89,7 +96,8 @@
|| defined(RGBLIGHT_EFFECT_KNIGHT) \
|| defined(RGBLIGHT_EFFECT_CHRISTMAS) \
|| defined(RGBLIGHT_EFFECT_RGB_TEST) \
|| defined(RGBLIGHT_EFFECT_ALTERNATING)
|| defined(RGBLIGHT_EFFECT_ALTERNATING) \
|| defined(RGBLIGHT_EFFECT_TWINKLE)
# define RGBLIGHT_USE_TIMER
#endif
@ -141,6 +149,14 @@ enum RGBLIGHT_EFFECT_MODE {
# define RGBLIGHT_EFFECT_CHRISTMAS_STEP 2
# endif
# ifndef RGBLIGHT_EFFECT_TWINKLE_LIFE
# define RGBLIGHT_EFFECT_TWINKLE_LIFE 75
# endif
# ifndef RGBLIGHT_EFFECT_TWINKLE_PROBABILITY
# define RGBLIGHT_EFFECT_TWINKLE_PROBABILITY 1/127
# endif
# ifndef RGBLIGHT_HUE_STEP
# define RGBLIGHT_HUE_STEP 8
# endif
@ -208,6 +224,7 @@ extern const uint8_t RGBLED_RAINBOW_SWIRL_INTERVALS[3] PROGMEM;
extern const uint8_t RGBLED_SNAKE_INTERVALS[3] PROGMEM;
extern const uint8_t RGBLED_KNIGHT_INTERVALS[3] PROGMEM;
extern const uint16_t RGBLED_RGBTEST_INTERVALS[1] PROGMEM;
extern const uint8_t RGBLED_TWINKLE_INTERVALS[3] PROGMEM;
extern bool is_rgblight_initialized;
// Should stay in sycn with rgb matrix config as we reuse eeprom storage for both (for now)
@ -398,6 +415,7 @@ void rgblight_effect_knight(animation_status_t *anim);
void rgblight_effect_christmas(animation_status_t *anim);
void rgblight_effect_rgbtest(animation_status_t *anim);
void rgblight_effect_alternating(animation_status_t *anim);
void rgblight_effect_twinkle(animation_status_t *anim);
# endif

8
quantum/rgblight_modes.h
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@ -53,6 +53,14 @@ _RGBM_SINGLE_DYNAMIC(RGB_TEST)
# ifdef RGBLIGHT_EFFECT_ALTERNATING
_RGBM_SINGLE_DYNAMIC(ALTERNATING)
# endif
# ifdef RGBLIGHT_EFFECT_TWINKLE
_RGBM_MULTI_DYNAMIC(TWINKLE)
_RGBM_TMP_DYNAMIC(twinkle_38, TWINKLE)
_RGBM_TMP_DYNAMIC(twinkle_39, TWINKLE)
_RGBM_TMP_DYNAMIC(twinkle_40, TWINKLE)
_RGBM_TMP_DYNAMIC(twinkle_41, TWINKLE)
_RGBM_TMP_DYNAMIC(TWINKLE_end, TWINKLE)
# endif
//// Add a new mode here.
// #ifdef RGBLIGHT_EFFECT_<name>
// _RGBM_<SINGLE|MULTI>_<STATIC|DYNAMIC>( <name> )