Lab_interaccio/2018/LLAC-RGBW-varios/FASTLED/FASTLED_RGBW_noises.ino

/* FastLED RGBW Example Sketch
 *
 * Example sketch using FastLED for RGBW strips (SK6812). Includes
 * color wipes and rainbow pattern.
 *
 * Written by David Madison
 * http://partsnotincluded.com
*/
 
#include "FastLED.h"
//#include "FastLED_RGBW.h"

// #define NUM_LEDS1 150
// #define NUM_LEDS2 150
// #define NUM_LEDS3 300 // tira virtual que no se pinta
#define DATA_PIN_1 8
#define DATA_PIN_2 3
//#define DATA_PIN_3 4 // tira virtual que no se pinta, en este pin fastled no funciona


#define NUM_STRIPS 2
#define NUM_LEDS_PER_STRIP 150
#define NUM_LEDS NUM_LEDS_PER_STRIP * NUM_STRIPS

CRGBW leds[NUM_STRIPS * NUM_LEDS_PER_STRIP];
CRGB *ledsRGB = (CRGB *) &leds[0];

CRGBPalette16 currentPalette;
CRGBPalette16 targetPalette;
TBlendType    currentBlending;                                // NOBLEND or LINEARBLEND


const uint8_t brightness = 255;
 
void setup() { 

  FastLED.addLeds<SK6812, DATA_PIN_1>(ledsRGB, 0, getRGBWsize(NUM_LEDS)/2);
  FastLED.addLeds<SK6812, DATA_PIN_2>(ledsRGB, getRGBWsize(NUM_LEDS)/2, getRGBWsize(NUM_LEDS)/2); // la segunda se mapea a partir de un offset! Brutal!

  currentPalette = PartyColors_p;
  currentBlending = LINEARBLEND;  

}
 
void loop(){

  
  EVERY_N_MILLISECONDS(50) {                                  // FastLED based non-blocking delay to update/display the sequence.
    plasma();
  }

  EVERY_N_MILLISECONDS(1000) {
    Serial.println(LEDS.getFPS());                            // Optional check of our fps.
  }

  EVERY_N_MILLISECONDS(100) {
    uint8_t maxChanges = 24; 
    nblendPaletteTowardPalette(currentPalette, targetPalette, maxChanges);   // AWESOME palette blending capability.
  }


  EVERY_N_SECONDS(5) {                                 // Change the target palette to a random one every 5 seconds.
    uint8_t baseC = random8();                         // You can use this as a baseline colour if you want similar hues in the next line.
    targetPalette = CRGBPalette16(CHSV(baseC+random8(32), 192, random8(128,255)), CHSV(baseC+random8(32), 255, random8(128,255)), CHSV(baseC+random8(32), 192, random8(128,255)), CHSV(baseC+random8(32), 255, random8(128,255)));
  }

  FastLED.show();

}


void colorFill(CRGB c){
  for(int i = 0; i < NUM_LEDS; i++){
    leds[i] = c;
    //splitStrip(); // realmente hace falta generar todo en una tira entera y partirla? 
    FastLED.show();
    delay(2);
  }
  delay(500);
}
 
void fillWhite(){
  for(int i = 0; i < NUM_LEDS; i++){
    leds[i] = CRGBW(0, 0, 0, 255);
    //splitStrip();
    FastLED.show();
    delay(2);
  }
  delay(500);
}
 
void rainbow(){
  static uint8_t hue;
 
  for(int i = 0; i < NUM_LEDS; i++){
    leds[i] = CHSV((i * 256 / NUM_LEDS) + hue, 255, 255);
  }
  //splitStrip();
  FastLED.show();
  hue++;
}
 
void rainbowLoop(){
  long millisIn = millis();
  long loopTime = 5000; // 5 seconds
 
  while(millis() < millisIn + loopTime){
    rainbow();
    delay(1);
  }
}


void noise16_2() 
{                                            // just moving along one axis = "lavalamp effect"

  uint8_t scale = 1000;                                       // the "zoom factor" for the noise

  for (uint16_t i = 0; i < NUM_LEDS; i++) {

    uint16_t shift_x = millis() / 10;                         // x as a function of time
    uint16_t shift_y = 0;

    uint32_t real_x = (i + shift_x) * scale;                  // calculate the coordinates within the noise field
    uint32_t real_y = (i + shift_y) * scale;                  // based on the precalculated positions
    uint32_t real_z = 4223;
    
    uint8_t noise = inoise16(real_x, real_y, real_z) >> 8;    // get the noise data and scale it down

    uint8_t index = sin8(noise*3);                            // map led color based on noise data
    uint8_t bri   = noise;

    leds[i] = ColorFromPalette(currentPalette, index, bri, LINEARBLEND);   // With that value, look up the 8 bit colour palette value and assign it to the current LED.

  }
  
} // noise16_2()




void noise16_1() {                                            // moves a noise up and down while slowly shifting to the side

  uint16_t scale = 1000;                                      // the "zoom factor" for the noise

  for (uint16_t i = 0; i < NUM_LEDS; i++) {

    uint16_t shift_x = beatsin8(5);                           // the x position of the noise field swings @ 17 bpm
    uint16_t shift_y = millis() / 100;                        // the y position becomes slowly incremented
    

    uint16_t real_x = (i + shift_x)*scale;                    // the x position of the noise field swings @ 17 bpm
    uint16_t real_y = (i + shift_y)*scale;                    // the y position becomes slowly incremented
    uint32_t real_z = millis() * 20;                          // the z position becomes quickly incremented
    
    uint8_t noise = inoise16(real_x, real_y, real_z) >> 8;   // get the noise data and scale it down

    uint8_t index = sin8(noise*3);                           // map LED color based on noise data
    uint8_t bri   = noise;

    leds[i] = ColorFromPalette(currentPalette, index, bri, LINEARBLEND);   // With that value, look up the 8 bit colour palette value and assign it to the current LED.
  }

} // noise16_1()