Project3.ino

/*

 * Do Park
 * Reno Almeida
 
 OCAD University
 
 Created on March 30, 2016

*/


//adding neopixel library.
#include "neopixel/neopixel.h"

#include "application.h"

//assigning the input D0 to constant PIN
#define PIN D0

//defining number of pixels that the neopixel ring has and below the type.
#define NUMPIXELS 16
#define PIXEL_TYPE WS2812B

//creating neopixel object.
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, PIXEL_TYPE);

int delayval = 500;

//variables that hold real time data coming from javascript application. Sunset, sunrise and current time
//and percentage of clouds at a certain time and day.
int sunsetTime;
int sunriseTime;
int currentTime;
int clouds;

//variable that controls the colour displayed. below are variables for red, green and blue colours.
int mode = 0;
int r, g, b;

bool sunrise = false; // check sunset, and sunrise
bool sunset = false;
bool AMPM = false; // check if the time is AM or PM

void setup() {
    
    //initiating neopixel ring
    pixels.begin();
    
    //assigning all functions that are called from the javascript file, so they can be called outside this application.
    Particle.function("sunset", getSunset);
    Particle.function("sunrise", getSunrise);
    Particle.function("time", getTime);
    Particle.function("clouds", getClouds);
    Particle.function("shine", blinkRing);
    
    //really don't remember what this is about, but gonna leave for the sake of everything working fine.
    Particle.variable("sunsetTime", &sunsetTime, INT);
    
    //initiating variables.
    r = 0;
    g = 0;
    b = 0;
    clouds = 0;
    sunsetTime = 0;
    sunriseTime = 0;
    currentTime = 0;
    
}

void loop() {
    
    //calling functions that change the colours according to current time. since any function created has
    //to receive a String argument, I'm sending a random argument.
    AMPM_Checker("nanana");
    Sunrise_Checker("nanana");  
    Sunset_Checker("nanana");
    
    
    //changing the mode (that controls colours) according to current state.
    if(!sunrise && !sunset ){
        
        mode = 0;
        
        }
    else if(sunrise && !sunset){
    
        mode = 1;
    
    }
    else if(!sunrise && sunset){
        
        mode = 2;
        
    }
    else if(!sunrise && !sunset){
        
        mode = 3;
        
    }
    
}



int blinkRing(String command){
    
    /*
    if(currentTime <= 12){
        
        if(currentTime > sunriseTime){
        
            r = map(currentTime - sunriseTime, 12, 0, 110, 30) - clouds/2;
            g = map(currentTime - sunriseTime, 12, 0, 145, 90) - clouds/2;
            b = map(currentTime - sunriseTime, 12, 0, 195, 164) - clouds/2;   
        
        }else{
            
            r = 10;
            g = 40;
            b = 80;
            
        }
        
    }else{
        
        if(sunsetTime > currentTime){
           
            r = map(sunsetTime - currentTime, 12, 0, 75, 150) - clouds/2;
            g = map(sunsetTime - currentTime, 12, 0, 140, 185) - clouds/2;
            b = map(sunsetTime - currentTime, 12, 0, 220, 235) - clouds/2;
        
        }else{
            
            r = 15;
            g = 45;
            b = 90;
            
        }
    }
    */
        
    //lighting the neopixel ring.
    for(int i=0;i<NUMPIXELS;i++){

    // pixels.Color takes RGB values, from 0,0,0 up to 255,255,255
    if(mode == 0)
    {
        pixels.setPixelColor(i, pixels.Color(0, b-80, b));
    }// Moderately bright green color.
    if(mode == 1)
    {
        pixels.setPixelColor(i, pixels.Color(255, b-80, 0));
    }
    if(mode == 2)
    {
        pixels.setPixelColor(i, pixels.Color(255, b+40, 0));
    }
    if(mode == 3)
    {
        pixels.setPixelColor(i, pixels.Color(0, b-80, b));
    }
    pixels.show(); // This sends the updated pixel color to the hardware.
    
    delay(10); // Delay for a period of time (in milliseconds).

  }
    
}


//function that receives sunset time coming from javascript application.
int getSunset(String command){
    
    sunsetTime = command.toInt();
    return 0;
    
}

//function that receives sunrise time coming from javascript application.
int getSunrise(String command){
    
    sunriseTime = command.toInt();
    return 0;
    
}

//function that receives current time coming from javascript application.
int getTime(String command){
    
    currentTime = command.toInt();
    return 0;
    
}

//function that receives quantity of clouds coming from javascript application.
int getClouds(String command){
    
    clouds = command.toInt();
    return 0;
    
}

//fuction that checks if current time it before or after sunrise.
int Sunrise_Checker(String command)
{
  if(sunriseTime == currentTime && abs(sunriseTime - currentTime)<=5)
  {
    sunrise = true; 
  }
  if(sunrise && abs(sunriseTime - currentTime)>5)
  {
    sunrise = false;
  }
  
  return 0;
}

//fuction that checks if current time it before or after sunset.
int Sunset_Checker(String command)
{
  if(sunsetTime == currentTime && abs(sunsetTime - currentTime)<=3)
  {
    sunset = true; 
  }
  if(sunset && abs(sunsetTime - currentTime)>3)
  {
    sunset = false;
  }
  
  return 0;
}

//fuction that checks if current time it before or after noon.
int AMPM_Checker(String command)
{
  if(currentTime>=12)AMPM = true;
  if(currentTime<12)AMPM = false;
  if(AMPM == false)
  {
    b = map(currentTime%12,0,12,80,255); // map the value 0 - 12 to 80 - 255
  }
  else if(AMPM == true)
  {
    b = map(currentTime%12,0,12,255,80); // map the value 0 - 12 to 255 - 80 (reverse)
  }
  
  return 0;
}