ATX2 PS2X simple Joy Analog show at GLCD

#include <ATX2.h>
int LX,LY,RX,RY;
#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);
  LX=ps2x.Analog(PSS_LX);   glcd(0,0,"LX=%d  ",LX);
  RX=ps2x.Analog(PSS_RX);   glcd(1,0,"RX=%d  ",RX);
  LY=ps2x.Analog(PSS_LY);   glcd(2,0,"LY=%d  ",LY);
  RY=ps2x.Analog(PSS_RY);   glcd(3,0,"RY=%d  ",RY);
}