gistfile1.txt

/*
 * This is a minimal example, see extra-examples.cpp for a version
 * with more explantory documentation, example routines, how to
 * hook up your pixels and all of the pixel types that are supported.
 *
 */

#include "application.h"
//#include "spark_disable_wlan.h" // For faster local debugging only
#include "neopixel.h"

// IMPORTANT: Set pixel COUNT, PIN and TYPE
#define PIXEL_PIN D2
#define PIXEL_COUNT 2
#define PIXEL_TYPE WS2812B

Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);

//currntly displaying color
uint32_t r= 255;
uint32_t g= 255;
uint32_t b= 255;

//variables for fading colors
uint32_t current_r = 255;
uint32_t current_g=255;
uint32_t current_b =255;

uint32_t target_r = 255;
uint32_t target_b = 255;
uint32_t target_g =255;

uint32_t col =255; //current color - this will get refactored later.

//start fade at 0%
float pct = 0;

bool change = 0;

int set_color(String command){
  if(command == "light_blue"){target_r=0; target_g=0; target_b=255;}
     else if(command == "teal"){target_r=0; target_g=155; target_b=100;}
     else if(command=="pink"){target_r=200; target_g=0; target_b=10;}
     else if(command=="grey"){target_r=255; target_g=0; target_b=0;}
     else if(command=="orange"){target_r=255; target_g=255; target_b=0;}
     else if(command=="yellow"){target_r=25; target_g=200; target_b=40;}
     else if(command=="cream"){target_r=10; target_g=30; target_b=40;}
     //violet is last!
     else if (command=="purple"){ target_r=255; target_g=0; target_b=255;}
     change = 1;

    return 0;
}
//fucntions for calling from OF

void set_leds(){
    //for as long as we have pixels
      //if we are going to trigger the fade
      if(change ==1){
        //for each pixel in the strip

                      col = strip.Color(target_r, target_g, target_b);
                      change = 0;
                  }



            else {
            //there is no change so just show the current color
              for(int16_t i=0; i<strip.numPixels(); i++)
              {
                  strip.setPixelColor(i, col);
                  strip.show();
                  delay(20);
              }

          }

}

void setup()
{
    //ultimately I'll have an exposed function for each color to change the active color. right now only this one is stubbed in.
    Spark.function("set_color", set_color);

    //code required to start the strip up
    strip.begin();
    strip.show();

  //   // Make sure your //serial Terminal app is closed before powering your Core
  //   Serial.begin(9600);
  // //  Now open your //serial Terminal, and hit any key to continue!
  //   while(!Serial.available()) SPARK_WLAN_Loop();
}
void loop()
{
    set_leds();
//    Serial.println(current_r);
}