tccc21 demo

tccc21.ino

// This #include statement was automatically added by the Particle IDE.
#include <neopixel.h>

Adafruit_NeoPixel strip = Adafruit_NeoPixel(1, D3, WS2812);

int red = 0;
int green = 0;
int blue = 0;

void setup() {
    strip.begin();
    Particle.function("setColor", setColor);
}

void loop() {
    displayColor();
}

void displayColor(){
    strip.setPixelColor(0, red, green, blue); //set LED 0 to global colors
    strip.show(); 
}

int setColor(String command){
    int commaIndex1 = command.indexOf(',');
    int commaIndex2 = command.indexOf(',', commaIndex1+1);
    
    red = command.substring(0, commaIndex1).toInt();
    green = command.substring(commaIndex1+1, commaIndex2).toInt();
    blue = command.substring(commaIndex2+1).toInt();
    
    return 1;
}