/*
Autore: Ivan Selva
Data 04/03/2023
Nome: Progetto: Conamdo display oled
Scopo: comandare il display OLED, visualizzare vari menù e grafici
*/

#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#include <LiquidCrystal_I2C.h>

#define I2C_ADDR    0x27
#define LCD_COLUMNS 20
#define LCD_LINES   4

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

// Dimensioni del display in pixel
#define SCREEN_WIDTH 128 // Larghezza display
#define SCREEN_HEIGHT 64 // Altezza display 
#define OLED_RESET     4 // Reset pin # (or -1 if sharing Arduino reset pin)

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);


void setup() {
  // put your setup code here, to run once:
   Serial.begin(9600);
   display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
   display.display();
   delay(2000);
   display.clearDisplay();
   display.display();
   delay(2000);

   display.setTextSize(1);             // Normal 1:1 pixel scale
   display.setTextColor(SSD1306_WHITE);        // Draw white text
   display.setCursor(0,0);             // Start at top-left corner
   display.println(F("Ciao Ivan"));
   display.display();


   // Init
  lcd.init();
  lcd.backlight();

  // Print something
  lcd.setCursor(3, 0);
  lcd.print("Riga 1");
  lcd.setCursor(2, 1);
  lcd.print("Riga 2");
  lcd.setCursor(5, 2);
  lcd.print("Riga 3");
  lcd.setCursor(7, 3);
  lcd.print("Riga 4");

}

void loop() {
  // put your main code here, to run repeatedly:

  display.clearDisplay();
  display.display();
  display.setTextSize(1);             // Normal 1:1 pixel scale
  display.setTextColor(SSD1306_WHITE);        // Draw white text
  display.setCursor(0,0);             // Start at top-left corner
  display.print("TEMPO = ");
  display.print(millis() / 1000);
  display.println(" sec.");
  display.display();

  delay(250);

}