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Kaleidoscope/led_control.cpp

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6.4 KiB

#include <Arduino.h>
#include "led_control.h"
cRGB value;
WS2812 LED(LED_COUNT);
#define USE_HSV
int led_mode;
int last_led_mode;
int stored_led_mode;
int pos = 0;
cRGB led_off;
cRGB led_steady;
cRGB led_blue;
cRGB led_dark_blue;
cRGB led_bright_red;
cRGB led_breathe;
// Begin RGB Stuff
cRGB rainbow;
int rainbow_hue = 0; //stores 0 to 614
byte rainbow_steps = 1; //number of hues we skip in a 360 range per update
byte rainbow_wave_steps =1; //number of hues we skip in a 360 range per update
byte rainbow_saturation = 255;
byte rainbow_value = 190;
long rainbow_wave_ticks = 1; //delays between update
long rainbow_ticks = 5; //delays between update
long rainbow_current_ticks =0;
int breathe_brightness = 0; // how bright the LED is
int breathe_fadeAmount = 1; // how many points to fade the LED by
int chase_pixels = 1;
int chase_threshold = 6;
int current_chase_counter = 0;
// End RGB stuff
void setup_leds() {
led_off.r = 0;
led_off.g = 0;
led_off.b = 0;
led_steady.r = 0;
led_steady.g = 255;
led_steady.b = 0;
led_blue.r = 0;
led_blue.g = 0;
led_blue.b = 255;
led_dark_blue.r = 0;
led_dark_blue.g = 0;
led_dark_blue.b = 127;
led_bright_red.r=255;
led_bright_red.g=0;
led_bright_red.b=0;
LED.setOutput(LED_DATA_PIN);
LED.setColorOrderGRB(); // Uncomment for RGB color order
}
byte key_to_led(byte row, byte col) {
return key_led_map[row][col];
}
void set_key_color(byte row, byte col, cRGB color) {
LED.set_crgb_at(key_to_led(row, col), color);
}
cRGB get_key_color(byte row, byte col) {
return LED.get_crgb_at(key_to_led(row, col));
}
void initialize_led_mode(int mode) {
set_all_leds_to(led_off);
if (mode == LED_MODE_OFF) {
// set_all_leds_to(led_off);
} else if (mode == LED_MODE_HEATMAP) {
} else if (mode == LED_MODE_BREATHE) {
} else if (mode == LED_MODE_RAINBOW) {
} else if (mode == LED_MODE_RAINBOW_WAVE) {
} else if (mode == LED_MODE_CHASE) {
} else if (mode == LED_MODE_STEADY) {
set_all_leds_to(led_steady);
}
}
void set_all_leds_to(cRGB color) {
for (int i = 0; i < LED_COUNT; i++) {
LED.set_crgb_at(i, color);
}
}
void next_led_mode() {
led_mode++;
if (led_mode >= LED_MODES) {
led_mode = 0;
}
}
void set_led_mode(int mode) {
led_mode = mode;
}
void update_leds(int numlock_enabled) {
if (numlock_enabled) {
if (led_mode != LED_SPECIAL_MODE_NUMLOCK) {
stored_led_mode = led_mode;
}
led_mode = LED_SPECIAL_MODE_NUMLOCK;
}
if (!numlock_enabled &&
led_mode == LED_SPECIAL_MODE_NUMLOCK
) {
led_mode = stored_led_mode;
}
if (led_mode != last_led_mode) {
initialize_led_mode(led_mode);
}
if (led_mode == LED_MODE_OFF) {
} else if (led_mode == LED_MODE_HEATMAP) {
} else if (led_mode == LED_MODE_BREATHE) {
led_effect_breathe_update();
} else if (led_mode == LED_MODE_RAINBOW) {
led_effect_rainbow_update();
} else if (led_mode == LED_MODE_RAINBOW_WAVE) {
led_effect_rainbow_wave_update();
} else if (led_mode == LED_MODE_CHASE) {
led_effect_chase_update();
} else if (led_mode == LED_MODE_STEADY) {
led_effect_steady_update();
} else if (led_mode == LED_SPECIAL_MODE_NUMLOCK) {
led_effect_numlock_update();
}
last_led_mode = led_mode;
}
void led_effect_numlock_update() {
for (int i = 0; i < 44; i++) {
LED.set_crgb_at(i, led_off);
}
for (int i = 44; i < LED_COUNT; i++) {
LED.set_crgb_at(i, led_bright_red);
}
led_compute_breath();
LED.set_crgb_at(60, led_breathe); // make numlock breathe
LED.sync();
}
void led_effect_steady_update() {
LED.sync();
}
void led_compute_breath() {
// algorithm from http://sean.voisen.org/blog/2011/10/breathing-led-with-arduino/
breathe_brightness = (exp(sin(millis()/2000.0*PI)) - 0.36787944)*108.0;
// change the brightness for next time through the loop:
//breathe_brightness = breathe_brightness + breathe_fadeAmount;
// reverse the direction of the fading at the ends of the fade:
if (breathe_brightness == 0 || breathe_brightness == 150) {
breathe_fadeAmount = -breathe_fadeAmount ;
}
led_breathe.SetHSV(200, 255, breathe_brightness);
}
void led_effect_breathe_update() {
led_compute_breath();
set_all_leds_to(led_breathe);
LED.sync();
}
void
led_effect_chase_update() {
if (current_chase_counter++ < chase_threshold) {
return;
}
current_chase_counter = 0;
LED.set_crgb_at(pos - chase_pixels, led_off);
LED.set_crgb_at(pos, led_dark_blue);
pos += chase_pixels;
if (pos > LED_COUNT || pos < 0) {
chase_pixels = -chase_pixels;
pos += chase_pixels;
}
LED.set_crgb_at(pos, led_blue);
LED.sync();
}
void led_effect_rainbow_update() {
if (rainbow_current_ticks++ < rainbow_ticks) {
return;
} else {
rainbow_current_ticks = 0;
}
rainbow.SetHSV(rainbow_hue, rainbow_saturation, rainbow_value);
rainbow_hue += rainbow_steps;
if (rainbow_hue >= 360) {
rainbow_hue %= 360;
}
set_all_leds_to(rainbow);
LED.sync();
}
void led_effect_rainbow_wave_update() {
if (rainbow_current_ticks++ < rainbow_wave_ticks) {
return;
} else {
rainbow_current_ticks = 0;
}
for (int i = 0; i < LED_COUNT; i++) {
int key_hue = rainbow_hue +16*(i/4);
if (key_hue >= 360) {
key_hue %= 360;
}
rainbow.SetHSV(key_hue, rainbow_saturation, rainbow_value);
LED.set_crgb_at(i,rainbow);
}
rainbow_hue += rainbow_wave_steps;
if (rainbow_hue >= 360) {
rainbow_hue %= 360;
}
LED.sync();
}
void led_bootup() {
set_all_leds_to(led_off);
led_type_letter(LED_K);
led_type_letter(LED_E);
led_type_letter(LED_Y);
led_type_letter(LED_B);
led_type_letter(LED_O);
led_type_letter(LED_A);
led_type_letter(LED_R);
led_type_letter(LED_D);
led_type_letter(LED_I);
led_type_letter(LED_O);
led_type_letter(LED_SPACE);
led_type_letter(LED_0);
led_type_letter(LED_PERIOD);
led_type_letter(LED_9);
led_mode = LED_MODE_RAINBOW_WAVE;
}
void led_type_letter(int letter) {
LED.set_crgb_at(letter,led_bright_red);
LED.sync();
delay(400);
LED.set_crgb_at(letter,led_off);
LED.sync();
delay(30);
}