// Referência do Modelo
// https://www.youtube.com/watch?v=2UI2KFlz4uA&list=PLuzyBdM_bvSxeQMJGUJu5X4NKVoYZgpoD&index=3
// Inclusão da biblioteca
// https://github.com/johnrickman/LiquidCrystal_I2C/blob/master/examples/HelloWorld/HelloWorld.pde
#include <LiquidCrystal_I2C.h>
#include "ultrassonico.h"

// Adição da biblioteca e adição do LCD 16x2 (I2C) 
LiquidCrystal_I2C lcd(0x27,16,2);  // set the LCD address to 0x27 for a 16 chars and 2 line display

// Inclusão do ultrassom

void setup()
{
  ultrassonicoIniciar();
  lcd.init();            // LCD
  lcd.backlight();       // LCD
  pinMode(2, OUTPUT);    // Pino LED-Vermelho
  pinMode(0, OUTPUT);    // Pino LED-Verde
  pinMode(4, OUTPUT);    // Pino LED-Azul
  pinMode(16, OUTPUT);   // Pino LED-Amarelo
  pinMode(15, OUTPUT);   // Pino LED-Lilás
  pinMode(5, OUTPUT);    // Pino LED-Púrpura
}


void loop() 
{
float distancia = ultrassonicoMedirDistancia();

  lcd.setCursor(0, 0);
  lcd.print("Sensor HC - SR04");
  lcd.setCursor(0, 1);
  lcd.print(distancia);
  delay(100);

 if(distancia<50)
 {
   digitalWrite(2, HIGH);
   digitalWrite(0, LOW);
   digitalWrite(4, LOW);
   digitalWrite(16, LOW);
   digitalWrite(15, LOW);
   digitalWrite(5, LOW);
 }

 if((distancia>50)&&(distancia<100))
 {
   digitalWrite(2, HIGH);
   digitalWrite(0, HIGH);
   digitalWrite(4, LOW);
   digitalWrite(16, LOW);
   digitalWrite(15, LOW);
   digitalWrite(5, LOW);
 }

if((distancia>100)&&(distancia<150))
 {
   digitalWrite(2, HIGH);
   digitalWrite(0, HIGH);
   digitalWrite(4, HIGH);
   digitalWrite(16, LOW);
   digitalWrite(15, LOW);
   digitalWrite(5, LOW);
 }

 if((distancia>150)&&(distancia<200))
 {
   digitalWrite(2, HIGH);
   digitalWrite(0, HIGH);
   digitalWrite(4, HIGH);
   digitalWrite(16, HIGH);
   digitalWrite(15, LOW);
   digitalWrite(5, LOW);
 }

 if((distancia>200)&&(distancia<300))
 {
   digitalWrite(2, HIGH);
   digitalWrite(0, HIGH);
   digitalWrite(4, HIGH);
   digitalWrite(16, HIGH);
   digitalWrite(15, HIGH);
   digitalWrite(5, LOW);
 }

 if(distancia>300)
 {
   digitalWrite(2, HIGH);
   digitalWrite(0, HIGH);
   digitalWrite(4, HIGH);
   digitalWrite(16, HIGH);
   digitalWrite(15, HIGH);
   digitalWrite(5, HIGH);
 }
}