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- /* 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 <avr/eeprom.h>
- #include <avr/interrupt.h>
- #include <util/delay.h>
- #include "progmem.h"
- #include "timer.h"
- #include "rgblight.h"
- #include "debug.h"
- #include "led_tables.h"
-
- __attribute__ ((weak))
- const uint8_t RGBLED_BREATHING_INTERVALS[] PROGMEM = {30, 20, 10, 5};
- __attribute__ ((weak))
- const uint8_t RGBLED_RAINBOW_MOOD_INTERVALS[] PROGMEM = {120, 60, 30};
- __attribute__ ((weak))
- const uint8_t RGBLED_RAINBOW_SWIRL_INTERVALS[] PROGMEM = {100, 50, 20};
- __attribute__ ((weak))
- const uint8_t RGBLED_SNAKE_INTERVALS[] PROGMEM = {100, 50, 20};
- __attribute__ ((weak))
- const uint8_t RGBLED_KNIGHT_INTERVALS[] PROGMEM = {127, 63, 31};
- __attribute__ ((weak))
- const uint16_t RGBLED_GRADIENT_RANGES[] PROGMEM = {360, 240, 180, 120, 90};
-
- rgblight_config_t rgblight_config;
- rgblight_config_t inmem_config;
-
- LED_TYPE led[RGBLED_NUM];
- uint8_t rgblight_inited = 0;
- 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;
-
- #ifdef RGBLIGHT_LIMIT_VAL
- if (val > RGBLIGHT_LIMIT_VAL) {
- val=RGBLIGHT_LIMIT_VAL; // limit the val
- }
- #endif
-
- 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) {
- return eeprom_read_dword(EECONFIG_RGBLIGHT);
- }
- void eeconfig_update_rgblight(uint32_t val) {
- eeprom_update_dword(EECONFIG_RGBLIGHT, val);
- }
- void eeconfig_update_rgblight_default(void) {
- dprintf("eeconfig_update_rgblight_default\n");
- rgblight_config.enable = 1;
- rgblight_config.mode = 1;
- rgblight_config.hue = 0;
- rgblight_config.sat = 255;
- rgblight_config.val = 255;
- 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);
- }
-
- void rgblight_init(void) {
- debug_enable = 1; // Debug ON!
- dprintf("rgblight_init called.\n");
- rgblight_inited = 1;
- 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_ANIMATIONS
- rgblight_timer_init(); // setup the timer
- #endif
-
- if (rgblight_config.enable) {
- rgblight_mode(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_ANIMATIONS
- 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 > 1) {
- mode = rgblight_config.mode - 1;
- }
- rgblight_mode(mode);
- }
- void rgblight_step(void) {
- uint8_t mode = 0;
- mode = rgblight_config.mode + 1;
- if (mode > RGBLIGHT_MODES) {
- mode = 1;
- }
- rgblight_mode(mode);
- }
- void rgblight_step_reverse(void) {
- uint8_t mode = 0;
- mode = rgblight_config.mode - 1;
- if (mode < 1) {
- mode = RGBLIGHT_MODES;
- }
- rgblight_mode(mode);
- }
-
- uint32_t rgblight_get_mode(void) {
- if (!rgblight_config.enable) {
- return false;
- }
-
- return rgblight_config.mode;
- }
-
- void rgblight_mode(uint8_t mode) {
- if (!rgblight_config.enable) {
- return;
- }
- if (mode < 1) {
- rgblight_config.mode = 1;
- } else if (mode > RGBLIGHT_MODES) {
- rgblight_config.mode = RGBLIGHT_MODES;
- } else {
- rgblight_config.mode = mode;
- }
- eeconfig_update_rgblight(rgblight_config.raw);
- xprintf("rgblight mode: %u\n", rgblight_config.mode);
- if (rgblight_config.mode == 1) {
- #ifdef RGBLIGHT_ANIMATIONS
- rgblight_timer_disable();
- #endif
- } else if (rgblight_config.mode >= 2 && rgblight_config.mode <= 24) {
- // MODE 2-5, breathing
- // MODE 6-8, rainbow mood
- // MODE 9-14, rainbow swirl
- // MODE 15-20, snake
- // MODE 21-23, knight
- // MODE 24, xmas
- // MODE 25-34, static rainbow
-
- #ifdef RGBLIGHT_ANIMATIONS
- rgblight_timer_enable();
- #endif
- } else if (rgblight_config.mode >= 25 && rgblight_config.mode <= 34) {
- // MODE 25-34, static gradient
-
- #ifdef RGBLIGHT_ANIMATIONS
- rgblight_timer_disable();
- #endif
- }
- rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
- }
-
- void rgblight_toggle(void) {
- xprintf("rgblight toggle: rgblight_config.enable = %u\n", !rgblight_config.enable);
- if (rgblight_config.enable) {
- rgblight_disable();
- }
- else {
- rgblight_enable();
- }
- }
-
- void rgblight_enable(void) {
- rgblight_config.enable = 1;
- eeconfig_update_rgblight(rgblight_config.raw);
- xprintf("rgblight enable: rgblight_config.enable = %u\n", rgblight_config.enable);
- rgblight_mode(rgblight_config.mode);
- }
-
- void rgblight_disable(void) {
- rgblight_config.enable = 0;
- eeconfig_update_rgblight(rgblight_config.raw);
- xprintf("rgblight disable: rgblight_config.enable = %u\n", rgblight_config.enable);
- #ifdef RGBLIGHT_ANIMATIONS
- rgblight_timer_disable();
- #endif
- _delay_ms(50);
- rgblight_set();
- }
-
-
- void rgblight_increase_hue(void) {
- uint16_t hue;
- hue = (rgblight_config.hue+RGBLIGHT_HUE_STEP) % 360;
- rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
- }
- void rgblight_decrease_hue(void) {
- 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(hue, rgblight_config.sat, rgblight_config.val);
- }
- void rgblight_increase_sat(void) {
- uint8_t sat;
- if (rgblight_config.sat + RGBLIGHT_SAT_STEP > 255) {
- sat = 255;
- } else {
- sat = rgblight_config.sat + RGBLIGHT_SAT_STEP;
- }
- rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
- }
- void rgblight_decrease_sat(void) {
- uint8_t sat;
- if (rgblight_config.sat - RGBLIGHT_SAT_STEP < 0) {
- sat = 0;
- } else {
- sat = rgblight_config.sat - RGBLIGHT_SAT_STEP;
- }
- rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
- }
- void rgblight_increase_val(void) {
- uint8_t val;
- if (rgblight_config.val + RGBLIGHT_VAL_STEP > 255) {
- val = 255;
- } else {
- val = rgblight_config.val + RGBLIGHT_VAL_STEP;
- }
- rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
- }
- void rgblight_decrease_val(void) {
- uint8_t val;
- if (rgblight_config.val - RGBLIGHT_VAL_STEP < 0) {
- val = 0;
- } else {
- val = rgblight_config.val - RGBLIGHT_VAL_STEP;
- }
- rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
- }
-
- void rgblight_sethsv_noeeprom(uint16_t hue, uint8_t sat, uint8_t val) {
- inmem_config.raw = rgblight_config.raw;
- if (rgblight_config.enable) {
- LED_TYPE tmp_led;
- sethsv(hue, sat, val, &tmp_led);
- inmem_config.hue = hue;
- inmem_config.sat = sat;
- inmem_config.val = val;
- // 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(uint16_t hue, uint8_t sat, uint8_t val) {
- if (rgblight_config.enable) {
- if (rgblight_config.mode == 1) {
- // same static color
- rgblight_sethsv_noeeprom(hue, sat, val);
- } else {
- // all LEDs in same color
- if (rgblight_config.mode >= 2 && rgblight_config.mode <= 5) {
- // breathing mode, ignore the change of val, use in memory value instead
- val = rgblight_config.val;
- } else if (rgblight_config.mode >= 6 && rgblight_config.mode <= 14) {
- // rainbow mood and rainbow swirl, ignore the change of hue
- hue = rgblight_config.hue;
- } else if (rgblight_config.mode >= 25 && rgblight_config.mode <= 34) {
- // static gradient
- uint16_t _hue;
- int8_t direction = ((rgblight_config.mode - 25) % 2) ? -1 : 1;
- uint16_t range = pgm_read_word(&RGBLED_GRADIENT_RANGES[(rgblight_config.mode - 25) / 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();
- }
- }
- rgblight_config.hue = hue;
- rgblight_config.sat = sat;
- rgblight_config.val = val;
- eeconfig_update_rgblight(rgblight_config.raw);
- xprintf("rgblight set hsv [EEPROM]: %u,%u,%u\n", rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
- }
- }
-
- 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_ANIMATIONS
-
- // 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(1);
- rgblight_setrgb(r, g, b);
- }
-
- void rgblight_task(void) {
- if (rgblight_timer_enabled) {
- // mode = 1, static light, do nothing here
- if (rgblight_config.mode >= 2 && rgblight_config.mode <= 5) {
- // mode = 2 to 5, breathing mode
- rgblight_effect_breathing(rgblight_config.mode - 2);
- } else if (rgblight_config.mode >= 6 && rgblight_config.mode <= 8) {
- // mode = 6 to 8, rainbow mood mod
- rgblight_effect_rainbow_mood(rgblight_config.mode - 6);
- } else if (rgblight_config.mode >= 9 && rgblight_config.mode <= 14) {
- // mode = 9 to 14, rainbow swirl mode
- rgblight_effect_rainbow_swirl(rgblight_config.mode - 9);
- } else if (rgblight_config.mode >= 15 && rgblight_config.mode <= 20) {
- // mode = 15 to 20, snake mode
- rgblight_effect_snake(rgblight_config.mode - 15);
- } else if (rgblight_config.mode >= 21 && rgblight_config.mode <= 23) {
- // mode = 21 to 23, knight mode
- rgblight_effect_knight(rgblight_config.mode - 21);
- } else if (rgblight_config.mode == 24) {
- // mode = 24, christmas mode
- rgblight_effect_christmas();
- }
- }
- }
-
- // Effects
- 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(rgblight_config.hue, rgblight_config.sat, val);
- pos = (pos + 1) % 256;
- }
- 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(current_hue, rgblight_config.sat, rgblight_config.val);
- current_hue = (current_hue + 1) % 360;
- }
- 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 = (360 / 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;
- }
- }
- }
- 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;
- }
- }
- 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;
- }
- }
-
-
- 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
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