Update arduino uno display

//Display program for the google assistant on rpi

#include <TimedAction.h>
#include <Adafruit_GFX.h>
#include <UTFTGLUE.h>
UTFTGLUE tft(0x0154,A2,A1,A3,A4,A0);

// Declare which fonts we will be using
#if !defined(SmallFont)
extern uint8_t SmallFont[];
#endif
String lcdtext;
//String topString[4];
//String bottomString[14];
int h, w, maxscroll; //height width of the screen and maximum scroll of half the screen
int left = 3; // left offset
int top = 3; // top offset
int s = 1; // font size
int line = s*10; // line height
String recieved;
String rec;
int i = 0;
int c = 0;
int A;
#define BLACK   0x0000
#define BLUE    0x001F
#define RED     0xF800
#define GREEN   0x07E0
#define CYAN    0x07FF
#define MAGENTA 0xF81F
#define YELLOW  0xFFE0
#define WHITE   0xFFFF

//TouchScreen_kbv myTouch(XP, YP, XM, YM, 300);
#include <TouchScreen.h>         //Global Library
#define XP 7
#define XM A1
#define YP A2
#define YM 6
TouchScreen myTouch(XP, YP, XM, YM, 300);
TSPoint tp;                      //Touchscreen_due branch uses Point

//Touchscreen calibration results just for reminder.
//PORTRAIT CALIBRATION     240 x 320
//int x = map(tp.x, 837, 169, 0, 240);
//int y = map(tp.y, 861, 285, 0, 320);
//Touch Pin Wiring XP=7 XM=A1 YP=A2 YM=6

void readResistiveTouch(void)
{
    tp = myTouch.getPoint();
    pinMode(YP, OUTPUT);      //restore shared pins
    pinMode(XM, OUTPUT);
}

bool ISPRESSED()
{

    int count = 0;
    bool state, oldstate;
    while (count < 2) {
        readResistiveTouch();
        state = tp.z > 20 && tp.z < 1000;
        if (state == oldstate) count++;
        else count = 0;
        oldstate = state;
        //delay(2);
    }
    if (oldstate)
    {
      showpoint();
    }
}

void showpoint(void)
{
    //For now we only need 2 buttons top half of the screen and
    //bottom half.
    if (tp.y < 500)
    {
      Serial.println("Bottom");
    }
    else if (tp.y > 575)
    {
      Serial.println("Top");
    }

}

void updateText()
{

  //Serial.println("height: " + String(height) + " width: " + String(width));
  tft.setColor(YELLOW);
  //buildTopDisplay();
  tft.setColor(WHITE);
  tft.print("http://electronics.henningkarlsen.com", left, top + (h/2));

}
TimedAction touchThread = TimedAction(10,ISPRESSED);
TimedAction textThread = TimedAction(500,updateText);


void setup()
{
  Serial.begin(115200);
  //randomSeed(analogRead(5));   //.kbv Due does not like A0
  //pinMode(A0, OUTPUT);       //.kbv mcufriend have RD on A0
  //digitalWrite(A0, HIGH);

// Setup the LCD
  tft.InitLCD();
  tft.setFont(SmallFont);
  tft.setRotation(2);
  tft.clrScr();
  lcdtext = "My lcd display for changing";
  tft.setBackColor(BLACK);

  h = tft.height();
  w = tft.width();
  maxscroll = ((( h/2 ) - top ) / line) - 1;
  tft.setColor(MAGENTA);
  tft.drawRect(w - 1, 0, 1, (h/2) - 1);
  tft.drawRect(w - 1, h/2 , 1, h - 1);
  tft.setColor(WHITE);
  tft.setTextSize(s);
  textThread.check();

}

//void buildTopDisplay()
//{
//    tft.print(lcdtext, left, top + (i*line));
//}

void loop()
{

  touchThread.check();
  //textThread.check();
  if ( Serial.available() > 0 )
  {
    recieved = Serial.readString();
    Serial.println("Received = " + recieved);
    if ( recieved.length() > 2 )
    {
      recieved.trim();

      A = recieved.substring(0,1).toInt();
      recieved = recieved.substring(1,recieved.length());
      c = 0;
      i = 0;
      switch (A)
      {
        case 0:
          //Serial.println("Yes !!! " + recieved.substring(3,recieved.length()));
          while ( c != -1)
            {
            c = recieved.indexOf('|');
            //Serial.println("c = "+ String(c) );

            rec = recieved.substring(0,c);
            //Serial.println(rec);
            recieved = recieved.substring(c+1,recieved.length());
              if (rec.length() > 38)
                {
                  rec = rec.substring(0,38);
                }
              else
                {
                  for (int j = rec.length();j <= 38;j++)
                  {
                     rec = rec + " ";
                  }
                }

              tft.print(rec, left, top + (i*line));
              i++;
            }
            A = -1;
            Serial.println("TopDone");
            recieved = "";
            rec = "";
          break;
        case 1:
          //Serial.println("Yes !!! " + recieved);
          c = 0;
          i = 0;
          while ( c != -1)
            {
            c = recieved.indexOf('|');
            rec = recieved.substring(0,c);
            recieved = recieved.substring(c+1,recieved.length());
              if (rec.length() > 38)
                {
                  rec = rec.substring(0,38);
                }
              else
                {
                  for (int j = rec.length();j <= 38;j++)
                  {
                     rec = rec + " ";
                  }
                }
              tft.print(rec, left, top + (h/2) + (i*line));
              i++;
            }
            A = -1;
            Serial.println("BottomDone");
            recieved = "";
            rec = "";
            break;
          default:
            break;
      }
    }
  }
}