/* Hello Wokwi! */
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);

char woTagStr[3] = "So";
char line0[17];
char line1[17];
byte tag, monat, jahr, stunde, minut, sekunde;

void updateDisplay()
{
  lcd.setCursor(0, 0); lcd.print(line0);
  lcd.setCursor(0, 1); lcd.print(line1);
}


void setup()
{
  Wire.begin(); //I2C-Bus starten
	lcd.init();
  tag = 28; monat = 4; jahr = 24; stunde = 21; minut = 30; sekunde = 42;
//strcat(line0, "Hello");
//strcat(line1, "World");
}
 
void loop()
{
  
  
  //sprintf_P(cstr, (PGM_P)F("%02d:%02d:%02d"), hours, minutes, seconds);
  //-> "03:23:11"

  sprintf_P(line0, (PGM_P)F(" %s %02u %02u %02u"), woTagStr, tag, monat, jahr); sprintf_P(line1, (PGM_P)F("    %02u %02u %02u"), stunde, minut, sekunde);
  //sprintf(line0, " %s %02u %02u %02u", woTagStr, tag, monat, jahr); sprintf(line1, "    %02u %02u %02u", stunde, minut, sekunde);
  //snprintf_P(line0, (PGM_P)F(" %s %02d %02d %02d"), woTagStr, tag, monat, jahr); sprintf(line1, (PGM_P)F("    %02d %02d %02d"), stunde, minut, sekunde);

  line0[0] = ">";
  updateDisplay(); delay(2000);
  line0[0] = "-"; line0[3] = ">";
  updateDisplay(); delay(2000);
  line0[3] = "-"; line0[6] = ">";
  updateDisplay(); delay(2000);
  line0[6] = "-"; line0[9] = ">";
  updateDisplay(); delay(2000);
  line0[9] = "-"; line1[6] = ">";
  updateDisplay(); delay(2000);
  line1[6] = "-"; line1[9] = ">";
  updateDisplay(); delay(2000);
  line1[9] = "-"; line0[0] = ">";
  updateDisplay(); delay(2000);



//  line0[0] = ">"; line0[3] = ","; line0[6] = "."; line0[9] = ".";
//  line1[6] = ":"; line1[9] = ":";

  lcd.setCursor(0, 0); lcd.print(line0);
  lcd.setCursor(0, 1); lcd.print(line1);
}