   return formateClockTime(daysLeft, h, m, s);
 }
 
-// format DD:HH:MM:SS
+// format time in DD:HH:MM:SS
 String formateClockTime(int days, int hours, int minutes, int seconds) {
   return printDigits(days, true) + printDigits(hours, true) + printDigits(minutes, true) + printDigits(seconds, false);
 }

  setupTime();                                            // setup time left
  delay(100);
  
  // pad title string with 16 whitespaces in the front
  int padding = strTitle.length() % 16;
  
  // scroll left to right
  for (int i = 0; i < padding; i++) {
     strTitleDisplay = " " + strTitleDisplay;
  }
  
  // pad title string with 16 whitespaces in the front
  padding = strGrad.length() % 16;
  
  // scroll left to right
  for (int i = 0; i < padding; i++) {
     strGradDisplay = " " + strGradDisplay;
  }
}


} 

void updateLCD() {
  if (bTimerDone) {
    if (scrollDirection == 0) {
      // scroll text right to left
      strGradDisplay = strGradDisplay.substring(1, strGradDisplay.length()) + strGradDisplay.charAt(0);
    } else if (scrollDirection == 1) {
      // scroll text left to right
      strGradDisplay = strGradDisplay.charAt(strGradDisplay.length() - 1) + strGradDisplay.substring(0, strGradDisplay.length() - 1);
    }
    
    mySerial.print(strGradDisplay);       // first line, display congrats
    mySerial.write(148);                  // new line
    
    int spaceCount = 16 - strTime.length() - 2;
    String strSpace = "";
    for (int i = 0; i < spaceCount; i++) {
      strSpace += " ";
    }     
    
    // format time in DD:HH:MM:SS
    strTime = formateClockTime(0, 0, 0, 0);
    
    // second line, display time and initials
    strLine2 = strTime + strSpace + "PK";
    mySerial.print(strLine2);
    Serial.println("Time: " + strTime);   // console debug
  } else {
    if (scrollDirection == 0) {
      // scroll text right to left
      strTitleDisplay = strTitleDisplay.substring(1, strTitleDisplay.length()) + strTitleDisplay.charAt(0);
    } else if (scrollDirection == 1) {
      // scroll text left to right
      strTitleDisplay = strTitleDisplay.charAt(strTitleDisplay.length() - 1) + strTitleDisplay.substring(0, strTitleDisplay.length() - 1);
    }
    
    mySerial.println(strTitleDisplay);
    int spaceCount = 16 - strTime.length() - 2;
    String strSpace = "";
    for (int i = 0; i < spaceCount; i++) {
      strSpace += " ";
    }
    
    // second line, display time and initials
    strLine2 = strTime + strSpace + "PK";
    mySerial.print(strLine2);
    Serial.println("Time: " + strTime);   // console debug
  }
}

