// Test I2C LCD display on the STM32.
//
// Test for:
// https://github.com/wokwi/wokwi-features/issues/1001
//
// Based on the second example in the 'Docs':
// https://docs.wokwi.com/parts/board-st-nucleo-c031c6
// https://wokwi.com/projects/365421666018061313

#include <Wire.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);

void setup() 
{
  Serial.begin(115200);
  Serial.println("Test for the STM32 with I2C LCD display.");
  Serial.print("SDA = pin ");
  Serial.println(SDA);
  Serial.print("SCL = pin ");
  Serial.println(SCL);

  Wire.begin();

  lcd.init();
  lcd.backlight();

  lcd.setCursor(0,0);
  lcd.print("Hello, STM32");
}

void loop() 
{
  delay(10);
}