Programming help - for LCD requested

waqar665 · February 24, 2018, 4:55pm

Dear sir, i am using Arduino mega 2560, with 3.2 tft touch screen lcd, but i have used the shield for it, shield model is ITDB02,
i have downloaded the URtouch, Utouch, Utft all libraries, but even i burn all the programs but still the lcd is white, i used this program, but i am confuse abut the command UTFT myGLCD(ITDB32S,38,39,40,41); should i change the model here ? i wrote ITDB02 insteadof ITDB32S, but then it give error, please response now admins

#include <UTFT.h>
extern uint8_t SmallFont[];

UTFT myGLCD(ITDB32S,38,39,40,41);

void setup()
{
  randomSeed(analogRead(0));
  
// Setup the LCD
  myGLCD.InitLCD();
  myGLCD.setFont(SmallFont);
}

void loop()
{
  int buf[318];
  int x, x2;
  int y, y2;
  int r;

// Clear the screen and draw the frame
  myGLCD.clrScr();

  myGLCD.setColor(255, 0, 0);
  myGLCD.fillRect(0, 0, 319, 13);
  myGLCD.setColor(64, 64, 64);
  myGLCD.fillRect(0, 226, 319, 239);
  myGLCD.setColor(255, 255, 255);
  myGLCD.setBackColor(255, 0, 0);
  myGLCD.print("* Universal Color TFT Display Library *", CENTER, 1);
  myGLCD.setColor(0, 0, 255);
  myGLCD.drawRect(0, 14, 319, 225);

// Draw crosshairs
  myGLCD.setColor(0, 0, 255);
  myGLCD.setBackColor(0, 0, 0);
  myGLCD.drawLine(159, 15, 159, 224);
  myGLCD.drawLine(1, 119, 318, 119);
  for (int i=9; i<310; i+=10)
    myGLCD.drawLine(i, 117, i, 121);
  for (int i=19; i<220; i+=10)
    myGLCD.drawLine(157, i, 161, i);

// Draw sin-, cos- and tan-lines  
  myGLCD.setColor(0,255,255);
  myGLCD.print("Sin", 5, 15);
  for (int i=1; i<318; i++)
  {
    myGLCD.drawPixel(i,119+(sin(((i*1.13)*3.14)/180)*95));
  }
  
  myGLCD.setColor(255,0,0);
  myGLCD.print("Cos", 5, 27);
  for (int i=1; i<318; i++)
  {
    myGLCD.drawPixel(i,119+(cos(((i*1.13)*3.14)/180)*95));
  }

  myGLCD.setColor(255,255,0);
  myGLCD.print("Tan", 5, 39);
  for (int i=1; i<318; i++)
  {
    myGLCD.drawPixel(i,119+(tan(((i*1.13)*3.14)/180)));
  }

  delay(2000);

  myGLCD.setColor(0,0,0);
  myGLCD.fillRect(1,15,318,224);
  myGLCD.setColor(0, 0, 255);
  myGLCD.setBackColor(0, 0, 0);
  myGLCD.drawLine(159, 15, 159, 224);
  myGLCD.drawLine(1, 119, 318, 119);

// Draw a moving sinewave
  x=1;
  for (int i=1; i<(318*20); i++) 
  {
    x++;
    if (x==319)
      x=1;
    if (i>319)
    {
      if ((x==159)||(buf[x-1]==119))
        myGLCD.setColor(0,0,255);
      else
        myGLCD.setColor(0,0,0);
      myGLCD.drawPixel(x,buf[x-1]);
    }
    myGLCD.setColor(0,255,255);
    y=119+(sin(((i*1.1)*3.14)/180)*(90-(i / 100)));
    myGLCD.drawPixel(x,y);
    buf[x-1]=y;
  }

  delay(2000);
  
  myGLCD.setColor(0,0,0);
  myGLCD.fillRect(1,15,318,224);

// Draw some filled rectangles
  for (int i=1; i<6; i++)
  {
    switch (i)
    {
      case 1:
        myGLCD.setColor(255,0,255);
        break;
      case 2:
        myGLCD.setColor(255,0,0);
        break;
      case 3:
        myGLCD.setColor(0,255,0);
        break;
      case 4:
        myGLCD.setColor(0,0,255);
        break;
      case 5:
        myGLCD.setColor(255,255,0);
        break;
    }
    myGLCD.fillRect(70+(i*20), 30+(i*20), 130+(i*20), 90+(i*20));
  }

  delay(2000);
  
  myGLCD.setColor(0,0,0);
  myGLCD.fillRect(1,15,318,224);

// Draw some filled, rounded rectangles
  for (int i=1; i<6; i++)
  {
    switch (i)
    {
      case 1:
        myGLCD.setColor(255,0,255);
        break;
      case 2:
        myGLCD.setColor(255,0,0);
        break;
      case 3:
        myGLCD.setColor(0,255,0);
        break;
      case 4:
        myGLCD.setColor(0,0,255);
        break;
      case 5:
        myGLCD.setColor(255,255,0);
        break;
    }
    myGLCD.fillRoundRect(190-(i*20), 30+(i*20), 250-(i*20), 90+(i*20));
  }
  
  delay(2000);
  
  myGLCD.setColor(0,0,0);
  myGLCD.fillRect(1,15,318,224);

// Draw some filled circles
  for (int i=1; i<6; i++)
  {
    switch (i)
    {
      case 1:
        myGLCD.setColor(255,0,255);
        break;
      case 2:
        myGLCD.setColor(255,0,0);
        break;
      case 3:
        myGLCD.setColor(0,255,0);
        break;
      case 4:
        myGLCD.setColor(0,0,255);
        break;
      case 5:
        myGLCD.setColor(255,255,0);
        break;
    }
    myGLCD.fillCircle(100+(i*20),60+(i*20), 30);
  }
  
  delay(2000);
  
  myGLCD.setColor(0,0,0);
  myGLCD.fillRect(1,15,318,224);

// Draw some lines in a pattern
  myGLCD.setColor (255,0,0);
  for (int i=15; i<224; i+=5)
  {
    myGLCD.drawLine(1, i, (i*1.44)-10, 224);
  }
  myGLCD.setColor (255,0,0);
  for (int i=224; i>15; i-=5)
  {
    myGLCD.drawLine(318, i, (i*1.44)-11, 15);
  }
  myGLCD.setColor (0,255,255);
  for (int i=224; i>15; i-=5)
  {
    myGLCD.drawLine(1, i, 331-(i*1.44), 15);
  }
  myGLCD.setColor (0,255,255);
  for (int i=15; i<224; i+=5)
  {
    myGLCD.drawLine(318, i, 330-(i*1.44), 224);
  }
  
  delay(2000);
  
  myGLCD.setColor(0,0,0);
  myGLCD.fillRect(1,15,318,224);

// Draw some random circles
  for (int i=0; i<100; i++)
  {
    myGLCD.setColor(random(255), random(255), random(255));
    x=32+random(256);
    y=45+random(146);
    r=random(30);
    myGLCD.drawCircle(x, y, r);
  }

  delay(2000);
  
  myGLCD.setColor(0,0,0);
  myGLCD.fillRect(1,15,318,224);

// Draw some random rectangles
  for (int i=0; i<100; i++)
  {
    myGLCD.setColor(random(255), random(255), random(255));
    x=2+random(316);
    y=16+random(207);
    x2=2+random(316);
    y2=16+random(207);
    myGLCD.drawRect(x, y, x2, y2);
  }

  delay(2000);
  
  myGLCD.setColor(0,0,0);
  myGLCD.fillRect(1,15,318,224);

// Draw some random rounded rectangles
  for (int i=0; i<100; i++)
  {
    myGLCD.setColor(random(255), random(255), random(255));
    x=2+random(316);
    y=16+random(207);
    x2=2+random(316);
    y2=16+random(207);
    myGLCD.drawRoundRect(x, y, x2, y2);
  }

  delay(2000);
  
  myGLCD.setColor(0,0,0);
  myGLCD.fillRect(1,15,318,224);

  for (int i=0; i<100; i++)
  {
    myGLCD.setColor(random(255), random(255), random(255));
    x=2+random(316);
    y=16+random(209);
    x2=2+random(316);
    y2=16+random(209);
    myGLCD.drawLine(x, y, x2, y2);
  }

  delay(2000);
  
  myGLCD.setColor(0,0,0);
  myGLCD.fillRect(1,15,318,224);

  for (int i=0; i<10000; i++)
  {
    myGLCD.setColor(random(255), random(255), random(255));
    myGLCD.drawPixel(2+random(316), 16+random(209));
  }

  delay(2000);

  myGLCD.fillScr(0, 0, 255);
  myGLCD.setColor(255, 0, 0);
  myGLCD.fillRoundRect(80, 70, 239, 169);
  
  myGLCD.setColor(255, 255, 255);
  myGLCD.setBackColor(255, 0, 0);
  myGLCD.print("That's it!", CENTER, 93);
  myGLCD.print("Restarting in a", CENTER, 119);
  myGLCD.print("few seconds...", CENTER, 132);
  
  myGLCD.setColor(0, 255, 0);
  myGLCD.setBackColor(0, 0, 255);
  myGLCD.print("Runtime: (msecs)", CENTER, 210);
  myGLCD.printNumI(millis(), CENTER, 225);
  
  delay (10000);
}

MODERATOR ADDED CODE TAGS

MODERATOR FIXED TITLE

system · February 24, 2018, 5:57pm

Why do you have so damned much code when you can't get anything to appear on the screen? Do you really think that a couple of thousand more lines of code will suddenly make it start working?

robtillaart · February 24, 2018, 6:44pm

@PaulS
Please formulate your remarks more constructive, no one is helped this way

@waqar665
moved your thread to the display section

waqar665 · February 24, 2018, 6:45pm

kindly send me a small code just to verify whether my lcd is working or not, my lcd model is TFT01_32

robtillaart · February 24, 2018, 6:50pm

I do not have such code. Please check the shop where you bought the LCD. They often have documentation.

Where did you buy it?
What is the exact type number?

waqar665 · February 24, 2018, 7:06pm

TFT color lcd screen module 3.2 inches (arduino compatible)
TFT01_3.2 is a TFT LCD Screen Module , 40pins interface , not just a LCD break but include the Touch , SD card and Flash design. So its a powerful extension module for your project.

i ordered it online, that's why am asking for the code so i can check whether it is ok or not.
am also using the shield for it with Arduinomega

waqar665 · February 24, 2018, 9:48pm

i tried all the method of connecting the 3.2 inch touch tft with Arduino, i have a sheild for it names as
"ITDB02 arduino mega version 2.1" i download the Utouch and UTFT libraries also and burn the example in it but still its giving the white display, lcd model is TFT01_32,
kindly help me send me program on which i can check the lcd

ieee488 · February 24, 2018, 10:08pm

Link to the TFT?

waqar665 · February 24, 2018, 10:17pm

i have a shied to connect the lcd with mega, but it show only white, no display,

ieee488 · February 24, 2018, 10:24pm

I mean the link to the webpage about the TFT.

ieee488 · February 24, 2018, 10:25pm

Don't cross-post.
Sheesh. >:(

ieee488 · February 24, 2018, 10:27pm

waqar665:
i ordered it online, that's why am asking for the code so i can check whether it is ok or not.
am also using the shield for it with Arduinomega

Of course, we know you ordered it online unless you went to the factory to buy it.

You bought something without making sure it worked with the Arduino Mega. That was not smart.

From which website did you buy it?

Is it that hard to understand ? ? ?

david_prentice · February 24, 2018, 10:48pm

waqar665:
TFT color lcd screen module 3.2 inches (arduino compatible)
TFT01_3.2 is a TFT LCD Screen Module , 40pins interface , not just a LCD break but include the Touch , SD card and Flash design. So its a powerful extension module for your project.

i ordered it online, that's why am asking for the code so i can check whether it is ok or not.
am also using the shield for it with Arduinomega

Please post a link to the actual screen and Adapter that you have bought.
e.g. from IteadStudio or Ebay.

Or post photos of the pcb side of your screen. And a photo of your Adapter Shield.

Then we can tell you exactly how to get UTFT working.

David.

Coding_Badly · February 24, 2018, 10:54pm

Threads merged.

waqar665 · February 25, 2018, 12:15pm

this is the lcd

http://ewall.com.pk/product_view/TFT-color-lcd-screen-module-3.2-inches-(arduino-compatible)/123

this is the sheild

http://ewall.com.pk/product_view/Plug-&-Play-TFT-Mega-Shield/185

these both are for the Arduino mega sir,
kindly help me with it,
send me a simple display or colour display program for it.

david_prentice · February 25, 2018, 12:49pm

The photo in your link has TFT_320QVT printed on the pcb.
Most current stock say TFT_320QVT_9341

Please compare the screen on your desk with the photo in your link.

The Adapter shield is typical of most 40-pin adapters.

Download and install UTFT v2.8.2 from UTFT - Rinky-Dink Electronics
You should use for TFT_320QVT:

UTFT myGLCD(SSD1289,38,39,40,41);

You should use for TFT_320QVT_9341:

UTFT myGLCD(ILI9341_16 ,38,39,40,41);

If your screen pcb does not look like the photo in your link, please post a photo of the actual pcb on your desk. Type any model name or text printed on the pcb.

David.

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Programming help - for LCD requested

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