#include

LCDTouch TouchPPP;

int x, y;

char stCurrent[20]="";

int stCurrentLen=0;

char stLast[20]="";

void drawButtons()

{

// Draw the upper row of buttons

  for (x=0; x<5; x++)

  {

    TouchPPP.setColor(0, 0, 255);

    TouchPPP.fillRoundRect (10+(x*60), 10, 60+(x*60), 60);

    TouchPPP.setColor(255, 255, 255);

    TouchPPP.drawRoundRect (10+(x*60), 10, 60+(x*60), 60);

    TouchPPP.printNumI(x+1, 27+(x*60), 27,0,0);

  }

// Draw the center row of buttons

  for (x=0; x<5; x++)

  {

    TouchPPP.setColor(0, 0, 255);

    TouchPPP.fillRoundRect (10+(x*60), 70, 60+(x*60), 120);

    TouchPPP.setColor(255, 255, 255);

    TouchPPP.drawRoundRect (10+(x*60), 70, 60+(x*60), 120);

    if (x<4)

      TouchPPP.printNumI(x+6, 27+(x*60), 87,0,0);

  }

  TouchPPP.print("0", 267, 87,0);

// Draw the lower row of buttons

  TouchPPP.setColor(0, 0, 255);

  TouchPPP.fillRoundRect (10, 130, 150, 180);

  TouchPPP.setColor(255, 255, 255);

  TouchPPP.drawRoundRect (10, 130, 150, 180);

  TouchPPP.print("Clear", 40, 147,0);

  TouchPPP.setColor(0, 0, 255);

  TouchPPP.fillRoundRect (160, 130, 300, 180);

  TouchPPP.setColor(255, 255, 255);

  TouchPPP.drawRoundRect (160, 130, 300, 180);

  TouchPPP.print("Enter", 190, 147,0);

  TouchPPP.setBackColor (0, 0, 0);

}

void updateStr(int val)

{

  if (stCurrentLen<20)

  {

    stCurrent[stCurrentLen]=val;

    stCurrent[stCurrentLen+1]='\0';

    stCurrentLen++;

    TouchPPP.setColor(0, 255, 0);

    TouchPPP.print(stCurrent, LEFT, 224,0);

  }

  else

  {

    TouchPPP.setColor(255, 0, 0);

    TouchPPP.print("BUFFER FULL!", CENTER, 192,0);

    delay(500);

    TouchPPP.print("            ", CENTER, 192,0);

    delay(500);

    TouchPPP.print("BUFFER FULL!", CENTER, 192,0);

    delay(500);

    TouchPPP.print("            ", CENTER, 192,0);

    TouchPPP.setColor(0, 255, 0);

  }

}

// Draw a red frame while a button is touched

void waitForIt(int x1, int y1, int x2, int y2)

{

  TouchPPP.setColor(255, 0, 0);

  TouchPPP.drawRoundRect (x1, y1, x2, y2);

  while (TouchPPP.Touch_DataAvailable())

  TouchPPP.Touch_Read();

  TouchPPP.setColor(255, 255, 255);

  TouchPPP.drawRoundRect (x1, y1, x2, y2);

}

void setup()

{

  TouchPPP.LCDUTFT(LCD2_8);            

  TouchPPP.Touch_Init();         

  TouchPPP.Lcd_Init();                 

  TouchPPP.clrScr();             

  TouchPPP.fillScr(0x0000);            

  TouchPPP.setPrecision(PREC_MEDIUM);  

  TouchPPP.setFont(16,16,32);    

  TouchPPP.setBackColor(0, 0, 255);    

  drawButtons(); 

}

void loop()

{

  while (true)

  {

    if (TouchPPP.Touch_DataAvailable())

    {

      TouchPPP.Touch_Read();

      x=320-(TouchPPP.Touch_GetX());

      y=240-(TouchPPP.Touch_GetY());

      if ((y>=10) && (y<=60))  // Upper row

      {

        if ((x>=10) && (x<=60))  // Button: 1

        {

          waitForIt(10, 10, 60, 60);

          updateStr('1');

        }

        if ((x>=70) && (x<=120))  // Button: 2

        {

          waitForIt(70, 10, 120, 60);

          updateStr('2');

        }

        if ((x>=130) && (x<=180))  // Button: 3

        {

          waitForIt(130, 10, 180, 60);

          updateStr('3');

        }

        if ((x>=190) && (x<=240))  // Button: 4

        {

          waitForIt(190, 10, 240, 60);

          updateStr('4');

        }

        if ((x>=250) && (x<=300))  // Button: 5

        {

          waitForIt(250, 10, 300, 60);

          updateStr('5');

        }

      }

      if ((y>=70) && (y<=120))  // Center row

      {

        if ((x>=10) && (x<=60))  // Button: 6

        {

          waitForIt(10, 70, 60, 120);

          updateStr('6');

        }

        if ((x>=70) && (x<=120))  // Button: 7

        {

          waitForIt(70, 70, 120, 120);

          updateStr('7');

        }

        if ((x>=130) && (x<=180))  // Button: 8

        {

          waitForIt(130, 70, 180, 120);

          updateStr('8');

        }

        if ((x>=190) && (x<=240))  // Button: 9

        {

          waitForIt(190, 70, 240, 120);

          updateStr('9');

        }

        if ((x>=250) && (x<=300))  // Button: 0

        {

          waitForIt(250, 70, 300, 120);

          updateStr('0');

        }

      }

      if ((y>=130) && (y<=180))  // Upper row

      {

        if ((x>=10) && (x<=150))  // Button: Clear

        {

          waitForIt(10, 130, 150, 180);

          stCurrent[0]='\0';

          stCurrentLen=0;

          TouchPPP.setColor(0, 0, 0);

          TouchPPP.fillRect(0, 224, 319, 239);

        }

        if ((x>=160) && (x<=300))  // Button: Enter

        {

          waitForIt(160, 130, 300, 180);

          if (stCurrentLen>0)

          {

            for (x=0; x

            {

              stLast[x]=stCurrent[x];

            }

            stCurrent[0]='\0';

            stCurrentLen=0;

            TouchPPP.setColor(0, 0, 0);

            TouchPPP.fillRect(0, 208, 319, 239);

            TouchPPP.setColor(0, 255, 0);

            TouchPPP.print(stLast, LEFT, 208,0);

          }

          else

          {

            TouchPPP.setColor(255, 0, 0);

            TouchPPP.print("BUFFER EMPTY", CENTER, 192,0);

            delay(500);

            TouchPPP.print("            ", CENTER, 192,0);

            delay(500);

            TouchPPP.print("BUFFER EMPTY", CENTER, 192,0);

            delay(500);

            TouchPPP.print("            ", CENTER, 192,0);

            TouchPPP.setColor(0, 255, 0);

          }

        }

      }

    }

  }

}