#include "LedControl.h"
int analogPin = A0; // potentiometer wiper (middle terminal) connected to analog pin 3
                    // outside leads to ground and +5V
int val = 0;  // variable to store the value read
int x=0;
LedControl lc=LedControl(12,11,10,1);

bool control=false;
// happy face
byte hf[8]= {B00111100,B01000010,B10100101,B10000001,B10100101,B10011001,B01000010,B00111100};
// neutral face
byte nf[8]={B00111100, B01000010,B10100101,B10000001,B10111101,B10000001,B01000010,B00111100};
// sad face
byte sf[8]= {B00111100,B01000010,B10100101,B10000001,B10011001,B10100101,B01000010,B00111100};

void setup() {
  Serial.begin(9600);           //  setup serial
lc.shutdown(0,false);
  // Set brightness to a medium value
  lc.setIntensity(0,8);
  // Clear the display
  lc.clearDisplay(0);
}

void loop() {
  val = analogRead(analogPin);  // read the input pin
  if((val<=200)&&(control==false)){
    Serial.println("Attia posa il telefono!");
    x=x+1;
    Serial.print("Numero di volte in cui hai preso il telefono e' pari a: ");
   Serial.println(x);
    control=true;
    drawFacesNeutral();
   
  } 
  if(val>200) {
    Serial.println("Smartphone nel garage!");

    //faccina felice
    control=false;
    drawFacesHappy();
  }
  
  Serial.println(val);          // debug value
  if(x>=5){
       Serial.println("Hai superato il numero massimo di volte consentito: nota sul registro!");
       drawFacesSad();
 // faccina triste
  }
  
  delay(2000);
  
  
}
void drawFacesNeutral(){
  // Display neutral face
  lc.setRow(0,0,nf[0]);
  lc.setRow(0,1,nf[1]);
  lc.setRow(0,2,nf[2]);
  lc.setRow(0,3,nf[3]);
  lc.setRow(0,4,nf[4]);
  lc.setRow(0,5,nf[5]);
  lc.setRow(0,6,nf[6]);
  lc.setRow(0,7,nf[7]);
 }
 void drawFacesSad(){
  // Display sad face
  lc.setRow(0,0,sf[0]);
  lc.setRow(0,1,sf[1]);
  lc.setRow(0,2,sf[2]);
  lc.setRow(0,3,sf[3]);
  lc.setRow(0,4,sf[4]);
  lc.setRow(0,5,sf[5]);
  lc.setRow(0,6,sf[6]);
  lc.setRow(0,7,sf[7]);
  
 }
  
  void drawFacesHappy(){
  // Display happy face
  lc.setRow(0,0,hf[0]);
  lc.setRow(0,1,hf[1]);
  lc.setRow(0,2,hf[2]);
  lc.setRow(0,3,hf[3]);
  lc.setRow(0,4,hf[4]);
  lc.setRow(0,5,hf[5]);
  lc.setRow(0,6,hf[6]);
  lc.setRow(0,7,hf[7]);
  
}