+/* 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 "timer.h"
#include "rgblight.h"
#include "debug.h"
-
-// Lightness curve using the CIE 1931 lightness formula
-//Generated by the python script provided in http://jared.geek.nz/2013/feb/linear-led-pwm
-const uint8_t DIM_CURVE[] PROGMEM = {
- 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 3, 3, 3, 3, 3, 3, 3,
- 3, 4, 4, 4, 4, 4, 4, 5, 5, 5,
- 5, 5, 6, 6, 6, 6, 6, 7, 7, 7,
- 7, 8, 8, 8, 8, 9, 9, 9, 10, 10,
- 10, 10, 11, 11, 11, 12, 12, 12, 13, 13,
- 13, 14, 14, 15, 15, 15, 16, 16, 17, 17,
- 17, 18, 18, 19, 19, 20, 20, 21, 21, 22,
- 22, 23, 23, 24, 24, 25, 25, 26, 26, 27,
- 28, 28, 29, 29, 30, 31, 31, 32, 32, 33,
- 34, 34, 35, 36, 37, 37, 38, 39, 39, 40,
- 41, 42, 43, 43, 44, 45, 46, 47, 47, 48,
- 49, 50, 51, 52, 53, 54, 54, 55, 56, 57,
- 58, 59, 60, 61, 62, 63, 64, 65, 66, 67,
- 68, 70, 71, 72, 73, 74, 75, 76, 77, 79,
- 80, 81, 82, 83, 85, 86, 87, 88, 90, 91,
- 92, 94, 95, 96, 98, 99, 100, 102, 103, 105,
- 106, 108, 109, 110, 112, 113, 115, 116, 118, 120,
- 121, 123, 124, 126, 128, 129, 131, 132, 134, 136,
- 138, 139, 141, 143, 145, 146, 148, 150, 152, 154,
- 155, 157, 159, 161, 163, 165, 167, 169, 171, 173,
- 175, 177, 179, 181, 183, 185, 187, 189, 191, 193,
- 196, 198, 200, 202, 204, 207, 209, 211, 214, 216,
- 218, 220, 223, 225, 228, 230, 232, 235, 237, 240,
- 242, 245, 247, 250, 252, 255,
- };
-
-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
-};
+#include "led_tables.h"
__attribute__ ((weak))
const uint8_t RGBLED_BREATHING_INTERVALS[] PROGMEM = {30, 20, 10, 5};
__attribute__ ((weak))
const uint8_t RGBLED_SNAKE_INTERVALS[] PROGMEM = {100, 50, 20};
__attribute__ ((weak))
-const uint8_t RGBLED_KNIGHT_INTERVALS[] PROGMEM = {100, 50, 20};
+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;
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;
break;
}
}
- r = pgm_read_byte(&DIM_CURVE[r]);
- g = pgm_read_byte(&DIM_CURVE[g]);
- b = pgm_read_byte(&DIM_CURVE[b]);
+ 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);
}
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;
// 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) {
- rgblight_config.enable ^= 1;
- eeconfig_update_rgblight(rgblight_config.raw);
- xprintf("rgblight toggle: rgblight_config.enable = %u\n", rgblight_config.enable);
+ xprintf("rgblight toggle: rgblight_config.enable = %u\n", !rgblight_config.enable);
if (rgblight_config.enable) {
- rgblight_mode(rgblight_config.mode);
- } else {
- #ifdef RGBLIGHT_ANIMATIONS
- rgblight_timer_disable();
- #endif
- _delay_ms(50);
- rgblight_set();
+ rgblight_disable();
+ }
+ else {
+ rgblight_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;
} 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;
}
}
+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) {
- // dprintf("rgblight set rgb: %u,%u,%u\n", r,g,b);
+ if (!rgblight_config.enable) { return; }
+
for (uint8_t i = 0; i < RGBLED_NUM; i++) {
led[i].r = r;
led[i].g = g;
rgblight_set();
}
-__attribute__ ((weak))
+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
#endif
}
}
+#endif
#ifdef RGBLIGHT_ANIMATIONS
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();
- rgblight_sethsv_noeeprom(rgblight_config.hue, rgblight_config.sat, pgm_read_byte(&RGBLED_BREATHING_TABLE[pos]));
+
+ // 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 last_timer = 0;
uint16_t hue;
uint8_t i;
- if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval / 2])) {
+ if (timer_elapsed(last_timer) < pgm_read_byte(&RGBLED_RAINBOW_SWIRL_INTERVALS[interval / 2])) {
return;
}
last_timer = timer_read();
}
}
void rgblight_effect_knight(uint8_t interval) {
- static int8_t pos = 0;
static uint16_t last_timer = 0;
- uint8_t i, j, cur;
- int8_t k;
- LED_TYPE preled[RGBLED_NUM];
- static int8_t increment = -1;
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++) {
- preled[i].r = 0;
- preled[i].g = 0;
- preled[i].b = 0;
- for (j = 0; j < RGBLIGHT_EFFECT_KNIGHT_LENGTH; j++) {
- k = pos + j * increment;
- if (k < 0) {
- k = 0;
- }
- if (k >= RGBLED_NUM) {
- k = RGBLED_NUM - 1;
- }
- if (i == k) {
- sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val, (LED_TYPE *)&preled[i]);
- }
- }
+ led[i].r = 0;
+ led[i].g = 0;
+ led[i].b = 0;
}
- if (RGBLIGHT_EFFECT_KNIGHT_OFFSET) {
- for (i = 0; i < RGBLED_NUM; i++) {
- cur = (i + RGBLIGHT_EFFECT_KNIGHT_OFFSET) % RGBLED_NUM;
- led[i].r = preled[cur].r;
- led[i].g = preled[cur].g;
- led[i].b = preled[cur].b;
+ // 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();
- if (increment == 1) {
- if (pos - 1 < 0 - RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
- pos = 0 - RGBLIGHT_EFFECT_KNIGHT_LENGTH;
- increment = -1;
- } else {
- pos -= 1;
- }
- } else {
- if (pos + 1 > RGBLED_NUM + RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
- pos = RGBLED_NUM + RGBLIGHT_EFFECT_KNIGHT_LENGTH - 1;
- increment = 1;
- } else {
- pos += 1;
- }
+
+ // 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;
}
}