//B.R.E.A.T.H.E
//Final Project. Fab Academy 2021
//Lorena Delgado Piña
//Fab Lab León + Fab Lab IED Madrid

//Accelerometer + Neopixels

#include <SPI.h>
#include <Wire.h>
#include <SparkFun_ADXL345.h> 
ADXL345 adxl = ADXL345();

//accelerometer values

int xposition0 = -32;
int xposition1 = -14;
int xposition2 = 25;
int xposition3 = -28;
int margin = 1;

//neopixels definition

//#include <Adafruit_NeoPixel.h>
#include <tinyNeoPixel.h>

#define PIN 1

// Parameter 1 = number of pixels in strip
// Parameter 2 = Arduino pin number (most are valid)
// Parameter 3 = pixel type
//   NEO_GRB     Pixels are wired for GRB bitstream (most NeoPixel products)
//   NEO_RGB     Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2)
//   NEO_RGBW    Pixels are wired for RGBW bitstream (NeoPixel RGBW products)

tinyNeoPixel strip = tinyNeoPixel(3, PIN, NEO_GRB + NEO_KHZ800);
//Adafruit_NeoPixel strip = Adafruit_NeoPixel(3, PIN, NEO_GRB + NEO_KHZ800);
void setup() 
{
  //accelerometer

   Serial.begin(9600);             
   Serial.println("Begin");
   Serial.println();

   adxl.powerOn();            
   adxl.setRangeSetting(16);       //Define the range, values 2, 4, 8 o 16

  //neopixels

  strip.begin();


}
void loop() 
{
   //read the values and print it
   int x, y, z;
   adxl.readAccel(&x, &y, &z);  
   //If the accelerometer values coincides with the zero position, the neopixels light red)
   Serial.println(x);



  if (x > xposition0 - margin && x < xposition0 + margin){ 
    strip.setPixelColor(0, 255, 0, 0); //light red definition at zero position on the first neopixel 
    strip.setPixelColor(1, 255, 0, 0); //light red definition at zero position on the second neopixel
    strip.setPixelColor(2, 255, 0, 0); //light red definition at zero position on the third neopixel
  } else { 
  
          if (x > xposition1 - margin && x < xposition1 + margin){ 
          strip.setPixelColor(0, 255, 0, 255); //light magenta definition at first position on the first neopixel
          strip.setPixelColor(1, 255, 0, 255); //light magenta definition at first position on the second neopixel
          strip.setPixelColor(2, 255, 0, 255); //light magenta definition at first position on the third neopixel
          }else {
                  if (x > xposition2 - margin && x < xposition2 + margin){ 
                  strip.setPixelColor(0, 0, 255, 0); //light green definition at first position on the first neopixel
                  strip.setPixelColor(1, 0, 255, 0); //light green definition at first position on the second neopixel
                  strip.setPixelColor(2, 0, 255, 0); //light green definition at first position on the third neopixel
                
                }else {
                        if (x > xposition3 - margin && x < xposition3 + margin){ 
                        strip.setPixelColor(0, 0, 0, 255); //light blue definition at first position on the first neopixel
                        strip.setPixelColor(1, 0, 0, 255); //light blue definition at first position on the second neopixel
                        strip.setPixelColor(2, 0, 0, 255); //light blue definition at first position on the third neopixel
                      
                            
                        
                       }else {
                              strip.setPixelColor(0, 0, 0, 0); //off definition at zero position on the first neopixel
                              strip.setPixelColor(0, 0, 0, 0); //off definition at zero position on the second neopixel
                              strip.setPixelColor(0, 0, 0, 0); //off definition at zero position on the third neopixel
                           
                            }
                      }
                }
          }
        
  strip.show(); //Switch on the leds with the define colors
  delay(500);
}