#include <LiquidCrystal_I2C.h>
#include <DallasTemperature.h>
#include <OneWire.h>
#include <Keypad.h>

#define motor 2
#define botao 18

#define TRIG_PIN2 13
#define ECHO_PIN2 12
#define ledverde2 9
#define ledama2   10
#define ledverm2 11
#define TRIG_PIN1 15
#define ECHO_PIN1 14
#define ledverde1 3
#define ledama1   4
#define ledverm1  5
#define TRIG_PIN3 17
#define ECHO_PIN3 16
#define ledverde3 6
#define ledama3   7
#define ledverm3  8

LiquidCrystal_I2C lcd(0X27, 20, 4);

OneWire oneWire(24);
DallasTemperature sensor(&oneWire);

#define I2C_ADDR4    0x29
#define LCD_COLUMNS4 16
#define LCD_LINES4   2

float nivel2;

LiquidCrystal_I2C lcd4(I2C_ADDR4, LCD_COLUMNS4, LCD_LINES4);

const byte rows = 4;
const byte cols = 4;

char keys [rows][cols] = 
{{ '1','2','3','A'},
  {'4','5','6','B'},
  {'7','8','9','C'},
  {'*','0','#','D'}};

  byte rowpin[rows] = { 52,50,48,46};
  byte colpin[cols] = {44,42,40,38};

   Keypad keypad = Keypad( makeKeymap(keys), rowpin, colpin, rows, cols);


   float lerdistancia1CM() {
  digitalWrite(TRIG_PIN1, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN1, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN1, LOW);
  int duration = pulseIn(ECHO_PIN1, HIGH);
  return duration * 0.034 / 2;
}

  void Lerdistancia2CM(void) {
  digitalWrite(TRIG_PIN2, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN2, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN2, LOW);
  int duration = pulseIn(ECHO_PIN2, HIGH);
  nivel2= duration * 0.034 / 2;

  if(nivel2 >= 300){
   	digitalWrite(ledverde2, HIGH); 
    digitalWrite(ledama2, LOW);
    digitalWrite(ledverm2, LOW);
    
  } else if(nivel2 >= 50 && nivel2 <= 300){
  	digitalWrite(ledverde2, LOW); 
    digitalWrite(ledama2, HIGH);
    digitalWrite(ledverm2, LOW);
  } else {
    digitalWrite(ledverde2, LOW); 
    digitalWrite(ledama2, LOW);
    digitalWrite(ledverm2, HIGH);
  }
}


float lerdistancia3CM() {
  digitalWrite(TRIG_PIN3, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN3, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN3, LOW);
  int duration = pulseIn(ECHO_PIN3, HIGH);
  return duration * 0.034 / 2;

}
  
void setup() {
  Serial.begin(115200);
  pinMode(TRIG_PIN2, OUTPUT);
  pinMode(ECHO_PIN2, INPUT);
  pinMode(ledverde2, OUTPUT);
  pinMode(ledama2, OUTPUT);
  pinMode(ledverm2, OUTPUT);

  pinMode(TRIG_PIN1, OUTPUT);
  pinMode(ECHO_PIN1, INPUT);
  pinMode(ledverde1, OUTPUT);
  pinMode(ledama1, OUTPUT);
  pinMode(ledverm1, OUTPUT);

  pinMode(TRIG_PIN3, OUTPUT);
  pinMode(ECHO_PIN3, INPUT);
  pinMode(ledverde3, OUTPUT);
  pinMode(ledama3, OUTPUT);
  pinMode(ledverm3, OUTPUT);

  pinMode(botao, INPUT_PULLUP);
  pinMode(motor, OUTPUT);

  sensor.begin ();

  
  lcd4.init();
  lcd4.backlight();

  lcd4.begin(16, 2);

      lcd4.print("Enter Number:");

      delay(3000);

      lcd4.clear();
}



void loop() {
  Lerdistancia2CM();
  sensor.requestTemperatures();
  

  

 float nivel1 = lerdistancia1CM();
  if(nivel1 >= 300){
   	digitalWrite(ledverde1, HIGH); 
    digitalWrite(ledama1, LOW);
    digitalWrite(ledverm1, LOW);
    
  } else if(nivel1 >= 50 && nivel1 <= 300){
  	digitalWrite(ledverde1, LOW); 
    digitalWrite(ledama1, HIGH);
    digitalWrite(ledverm1, LOW);
  } else {
    digitalWrite(ledverde1, LOW); 
    digitalWrite(ledama1, LOW);
    digitalWrite(ledverm1, HIGH);
  }
  float nivel3 = lerdistancia3CM();

  if(nivel3 >= 300){
   	digitalWrite(ledverde3, HIGH); 
    digitalWrite(ledama3, LOW);
    digitalWrite(ledverm3, LOW);
    
  } else if(nivel3 >= 50 && nivel3 <= 300){
  	digitalWrite(ledverde3, LOW); 
    digitalWrite(ledama3, HIGH);
    digitalWrite(ledverm3, LOW);
  } else {
    digitalWrite(ledverde3, LOW); 
    digitalWrite(ledama3, LOW);
    digitalWrite(ledverm3, HIGH);
  }

   if(digitalRead(botao) == 0 )
  {
    digitalWrite(motor, HIGH);
    delay(10000);
    digitalWrite(motor, LOW);
  }
   
   char key = keypad.getKey();
   
   if (key != NO_KEY){

    lcd.setCursor(0, 0);
		lcd4.print(key);
    Serial.println(key);

    }
 
  
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("TANQUE 1:");
  lcd.setCursor(11, 0);
  lcd.print(lerdistancia1CM());
  lcd.setCursor(0, 1);
  lcd.print("TANQUE 2:");
  lcd.setCursor(11, 1);
  lcd.print(nivel2);
  lcd.setCursor(0, 2);
  lcd.print("TANQUE 3:");
  lcd.setCursor(11, 2);
  lcd.print(lerdistancia3CM());
  lcd.setCursor(0, 3);
  lcd.print(F("Temp:"));
  lcd.setCursor(11, 3); 
  lcd.print(sensor.getTempCByIndex(0));
  delay(1000);

   
  
  
  /*
  
  https://wokwi.com/projects/347175788714394195
  https://wokwi.com/projects/357382046680658945
  https://docs.wokwi.com/pt-BR/parts/wokwi-lcd1602
  */
  

  
  
}