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

// set the LCD number of columns and rows
int lcdColumns = 20;
int lcdRows = 4;

// set LCD address, number of columns and rows
LiquidCrystal_I2C lcd(0x27, lcdColumns, lcdRows);

void setup()
{
    // initialize LCD
    lcd.init();
    // turn on LCD backlight
    lcd.backlight();

    Wire.begin();
    Serial.begin(115200);
    Serial.println("\nI2C Scanner");
}

void loop()
{
    char test[] = "Hello, World!";

    int col = 4;
    // set cursor to a variable column, first row
    lcd.setCursor(col, 0);
    // print message
    lcd.print(test);
    delay(1000);
    // clears the display to print new message
    lcd.clear();

    lcd.setCursor(col, 1);
    lcd.print(test);
    delay(1000);
    lcd.clear();

    lcd.setCursor(col, 2);
    lcd.print(test);
    delay(1000);
    lcd.clear();

    lcd.setCursor(col, 3);
    lcd.print(test);
    delay(1000);
    lcd.clear();

    int counter = char_counter(test);
    Serial.println(counter);
    lcd.setCursor(5, 1);
    lcd.print("Line count");
    delay(1000);

    lcd.setCursor(7, 2);
    lcd.print("is");
    delay(1000);

    lcd.setCursor(11, 2);
    lcd.print(String(counter));
    delay(1000);
    lcd.clear();
}

int char_counter(char *character_arr)
{
    int char_length = strlen(character_arr);
    return char_length;
}