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[on:]

I bought from website [ http://www.sainsmart.com/arduino-compatibles/sainsmart-kit-1/sainsmart-mega2560-board-3-5-tft-lcd-module-display-shield-kit-for-atmel-atmega-avr-16au-atmega8u2.html ]
I I download utft library then moved to folder ((arduino 0023\libraries)) then I wrote Demo code :

#include <UTFT.h>
UTFT    myGLCD(ITDB32S,38,39,40,41);
void setup()
{
  myGLCD.InitLCD(PORTRAIT);
  drawdisplay();
}
void drawDisplay()
{  // Clear screen
myGLCD.clrScr();
// print the lines
myGLCD.setColor(0,255,0);
myGLCD.setBackColor(255,255,255);
MYGLCD.drawRect(0,0,239,319);
myGLCD.drawLine(0,50.5,239,50.5);
myGLCD.drawLine(0,100,239,100);
myGLCD.drawLine(0,130,239,130);
for(int y=1;y<6;y++)
{ myGLCD.drawLine(39.83333333333*y,100,39.83333333333*y,130); }
myGLCD.drawRect(190,50.5,239,76)
myGLCD.drawLine(0,182,319,182);
myGLCD.drawLine(0,208,239,208);
myGLCD.drawLine(0,289,239,289);
myGLCD.drawLine(30,208,30,289);
myGLCD.drawLine(209,208,209,289);
myGLCD.drawLine(119.5,130,119.5,208); // the center
myGLCD.drawCircle(197.3488,70.634,2.8488);}
void loop()
{}



but show error msg [ not maching function for call to 'UTFT::UTFT(int,int,int,int) ]
what's the problem ?

[Reply #1 on:]

myGLCD.drawLine(39.83333333333*y,100,39.83333333333*y,130);
myGLCD.drawLine(119.5,130,119.5,208); // the center
myGLCD.drawCircle(197.3488,70.634,2.8488);

These can not be floats, only ints 39, 119, 197.

[Reply #2 on:]

From the error message it looks like the UTFT constructor is being called with four integers (and failing because there is no constructor that takes four integers).  But in your code the constructor is called with five values (the last four being integers):

Code:

UTFT    myGLCD(ITDB32S,38,39,40,41);

I don't know what is causing that but I would double-check the constructor documentation to make sure you are passing the right arguments in the right order.