File content as of revision 0:9c69fa6c1120:

// Hello World! for the TextLCD with Elmicro Testbed LCD display GDM2004D
// With modified NewTextLCD library

#include "mbed.h"
#include "NewTextLCD.h"

DigitalOut myled(LED1); //for blinking purposes
AnalogIn Potm(p15); //var. resistor
TextLCD lcd(p26, p25, p24, p23, p22, p20, p19, TextLCD::LCD20x4); // rs, rw, e, d4-d7

float delay_time = 1.0;

int main() {
   lcd.printf("Hello mbed\n");
  //define user chars
   int pattern[8];
   int pattern1[8];
   pattern[0] = 1;              //     *
   pattern[1] = 3;              //    **
   pattern[2] = 5;              //   * *
   pattern[3] = 9;              //  *  *
   pattern[4] = 0x11;           // *   *     
   pattern[5] = 0x19;           // **  * 
   pattern[6] = 0x1d;           // *** *
   pattern[7] = 0x1f;           // *****
   
   pattern1[0] = 0x10;          // *
   pattern1[1] = 0x18;          // **
   pattern1[2] = 0x14;          // * *
   pattern1[3] = 0x12;          // *  *
   pattern1[4] = 0x11;          // *   *
   pattern1[5] = 0x13;          // *  **
   pattern1[6] = 0x17;          // * ***
   pattern1[7] = 0x1f;          // *****
  
   lcd.writeCGRAM(0, pattern);
   lcd.writeCGRAM(1, pattern1);
   
   lcd.locate(15,0);
   lcd.putc(0);   // user pattern 0
   lcd.putc(1);   // user pattern 1   
   lcd.locate(0,1); 
   lcd.printf("Hello World!\n");
    while(1) 
    {
        delay_time = Potm.read();
        myled = 1;
        wait(delay_time);
        myled = 0;
        wait(delay_time);
        lcd.locate(0,2);
        lcd.printf("Value: %1.2f", delay_time);
    }
}