/*
https://forum.arduino.cc/t/need-assistance-with-coding/1260828
*/



#include <Wire.h>               // deals with I2C connections
#include <LiquidCrystal_I2C.h>  //  activates the LCD I2C library

// Define pins for Valves
const int fillvalve = 22;

// Define pins for sensors
const int lowlevelsensor = 50;
const int filledlevelsensor = 52;
const int overfilledlevelsensor = 48;
int filling = 0; //varialbe to store read value
int full = 0; //variable to store read value

// OBJECT CONFIGURATIONS
LiquidCrystal_I2C  lcd(0x27, 20, 4);

void setup() {


  Serial.begin(9600);

  // LCD Initialization
  lcd.backlight();
  lcd.init();
  lcd.clear();

  // Set valves as OUTPUT, sensors as INPUTS
  pinMode(fillvalve, OUTPUT);
  pinMode(lowlevelsensor, INPUT);
  pinMode(filledlevelsensor, INPUT);


  digitalWrite(fillvalve, LOW); //Initialize valve closed
}
void loop() {

  bool needFilling = digitalRead(lowlevelsensor);
  full = digitalRead(filledlevelsensor);

  lcd.setCursor(3, 0);
  lcd.print("Company Name Here");

  //code for opening valve
  if (filling == 0 && needFilling == 0) {
    filling = 1;
    digitalWrite(fillvalve, HIGH);
    lcd.setCursor(3, 2);
    lcd.print("System Filling");

  }
  //code for closing valve
  if (full && filling) {
    filling = 0;
    digitalWrite(fillvalve, LOW);
    lcd.setCursor(3, 2);
    lcd.print("System Full   ");
  }

  {
    Serial.print(digitalRead(fillvalve));
    delay(1000);
  }
}