ATX2 PS2X Simple ShowText at GLCD

#include <ATX2.h>
#include <PS2X_lib.h>
#define PS2_DAT 30
#define PS2_CMD 29
#define PS2_SEL 28
#define PS2_CLK 27
PS2X ps2x ;
void setup(){
  delay(1000);
  setTextSize(2); glcd(0,0,"Connecting");
  while(true){
    int error = ps2x.config_gamepad(PS2_CLK, PS2_CMD, PS2_SEL, PS2_DAT,0,0);
    if(error==0){
      glcd(0,0, "OK ");
      delay(1000); glcdClear();  break;
        } delay(500);
    }
}
void loop(){
  ps2x.read_gamepad(0,0);
  if(ps2x.Button(PSB_CIRCLE))       {glcd(1, 1, "Circle "); }
  else if(ps2x.Button(PSB_CROSS))   {glcd(1, 1, "Cross ");}
  else if(ps2x.Button(PSB_SQUARE))  {glcd(1, 1, "Square ");}
  else if(ps2x.Button(PSB_TRIANGLE)){glcd(1, 1, "Triangle");}
  else {glcd(1, 1, "        "); }
  delay(50);
}