/*
Adafruit Arduino - strandtest

Modified by Salama for Fab Academy 2018, Final Project. changed color code and add sensor code and serial commnunication 
*/


#include <SoftwareSerial.h>       //serial commincation library
#include <Adafruit_NeoPixel.h>    //Neopixel library
#ifdef __AVR__
  #include <avr/power.h>
#endif
#define PIN 8                     // Neopixel connected to pin 8 
Adafruit_NeoPixel strip = Adafruit_NeoPixel(9, PIN, NEO_GRB + NEO_KHZ800);
SoftwareSerial myserial(0,1);     //Rx,Tx
int smoke = 7;                    // sensor in pin 7
int desire = 150;                 // at this value the colors will change
int sensor = 0;                   // takes the data from sensor

void setup()                   
{
 pinMode(smoke,INPUT);            // sensor pin 7 is input 
    strip.begin();
  strip.show();
  myserial.begin(9600);           // set up Serial library at 9600 bps
}

void loop()                       // run over and over again
{
   sensor = analogRead(smoke);     //take the readings from sensor
 
  //Serial.println(sensor);
 delay(50);
   if (sensor > desire){           // if the sensor data is more than 150 
 colorWipe(strip.Color(255, 0, 0), 50); // Red
  myserial.print("z");             //send z to serial
  }
else
  {
       colorWipe(strip.Color(0, 0, 0), 50); // LED off 
      myserial.print("good");               // send good to serial
      }
  
}

void colorWipe(uint32_t c, uint8_t wait) {
  for(uint16_t i=0; i<strip.numPixels(); i++) {
    strip.setPixelColor(i, c);
    strip.show();
    delay(wait);
  }
}


void theaterChase(uint32_t c, uint8_t wait) {
  for (int j=0; j<10; j++) {  //do 10 cycles of chasing
    for (int q=0; q < 3; q++) {
      for (uint16_t i=0; i < strip.numPixels(); i=i+3) {
        strip.setPixelColor(i+q, c);    //turn every third pixel on
      }
      strip.show();

      delay(100);

      for (uint16_t i=0; i < strip.numPixels(); i=i+3) {
        strip.setPixelColor(i+q, 0);        //turn every third pixel off
      }
    }
  }
}