const int LIGA = 4;
const int DESLIGA  = 5;
const int FALHA = 18;
const int LED_G= 19;
const int LED_R= 23;
const int LED_Y= 12;
const int LED_B= 13;

//inclui a biblioteca no display LCD
#include <LiquidCrystal_I2C.h>

//inicializando a biblioteca com o numero dos pinos utilizados 
LiquidCrystal_I2C lcd(0x27,16,2);

void setup() {
  
//declarando o numero de coluinas e linhas do display
  lcd.begin(16,2);
  lcd.init();
  lcd.backlight();

  pinMode(LIGA, INPUT);
  pinMode(DESLIGA, INPUT);
  pinMode(FALHA, INPUT);
  pinMode(LED_G, OUTPUT);
  pinMode(LED_R, OUTPUT);
  pinMode(LED_Y, OUTPUT);
  pinMode(LED_B, OUTPUT);

  lcd.clear();
  lcd.setCursor(4,0);
  lcd.print("SITUACAO");
  lcd.setCursor(1,1);
  lcd.print("MOTOR TRIFASICO ");
  delay(2000);

}
int modo = 0;
void loop() {
 
 int BOT_LIGA;
 int BOT_DESLIGA;
 int BOT_FALHA;
 BOT_LIGA = digitalRead(LIGA);
 BOT_DESLIGA = digitalRead(DESLIGA);
 BOT_FALHA = digitalRead(FALHA);

if (BOT_LIGA==HIGH){

modo = 1;
}
if (BOT_DESLIGA==HIGH){

  modo=0;

}
if (BOT_FALHA==HIGH){

  modo=2;

}

if (modo==0){
  digitalWrite(LED_R,LOW);
  digitalWrite(LED_B, LOW);
  digitalWrite(LED_G, HIGH);
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("MOTOR DESLIGADO");
  delay(300);
  modo=3;
} else if (modo==1){
  digitalWrite(LED_R,HIGH);
  digitalWrite(LED_B, HIGH);
  digitalWrite(LED_G, LOW);
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("MOTOR LIGADO");
  delay(300);
  modo=3;
}else if (modo==2){
  digitalWrite(LED_R,LOW);
  digitalWrite(LED_B, LOW);
  digitalWrite(LED_G, HIGH);
  digitalWrite(LED_Y, HIGH);
  delay(300);
  digitalWrite(LED_Y, HIGH);
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("FALHA RELE.TER");
  delay(300);
  lcd.clear();
  lcd.print("FALHA RELE.TER");
  delay(300);
  modo=0;
}






}