#include <SPI.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

#define pulsador 13
#define SDA 1
#define SCL 2
#define zumb 40 
#define DO4 262 //Hz para la nta
#define servo 19
unsigned long mms_ingresar = 0;
LiquidCrystal_I2C miLCD(0x27, 16, 2);
String inputPassword = "";

void activarZumbador(void){
  analogWriteFrequency(zumb, DO4);
  analogWrite(zumb, 128);
}

void abrirPuerta(void){
}

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32-S3!");
  Wire.begin(SDA, SCL);
  pinMode(pulsador, INPUT_PULLUP);
  pinMode(zumb, OUTPUT);
  pinMode(servo, OUTPUT);
  miLCD.init();
  miLCD.backlight();
  miLCD.setCursor(0, 0);
  miLCD.print("PRESIONE ");
  miLCD.setCursor(0,1);
  miLCD.print("PULSADOR");
}

void loop() {
  if(digitalRead(pulsador) == LOW){
    Serial.println(pulsador);
    while(digitalRead(pulsador) == LOW);
    Serial.println(pulsador);
    if(Serial.available()>0){
    
      mms_ingresar = millis();
      if(millis() - mms_ingresar < 3000 ){
        miLCD.setCursor(0,0);
        miLCD.print("INGRESAR");
        miLCD.setCursor(0,1);
        miLCD.print("CONTRASEÑA");
        String inputPassword = Serial.readStringUntil('\n');
        if(inputPassword == "PASSWORD"){
          miLCD.setCursor(0,0);
          miLCD.print("ABRIR");
          miLCD.setCursor(0,1);
          miLCD.print("PUERTA");
        }else{
          miLCD.setCursor(0,0);
          miLCD.print("CONTRASEÑA");
          miLCD.setCursor(0,1);
          miLCD.print("INCORRECTA");
          activarZumbador();
        }
      }
      
    }
    // put your main code here, to run repeatedly:
    delay(10); // this speeds up the simulation
  }
}