File content as of revision 4:abedada304bf:

#include "mbed.h"
#include "LCD_DISCO_F746NG.h"

LCD_DISCO_F746NG lcd;

DigitalOut led1(LED1);

int main()
{  
    led1 = 1;

    lcd.DisplayStringAt(0, LINE(1), (uint8_t *)"MBED EXAMPLE", CENTER_MODE);
    wait(1);
  
    while(1)
    {
      lcd.Clear(LCD_COLOR_BLUE);
      lcd.SetBackColor(LCD_COLOR_BLUE);
      lcd.SetTextColor(LCD_COLOR_WHITE);
      wait(0.3);
      lcd.DisplayStringAt(0, LINE(5), (uint8_t *)"DISCOVERY STM32F746NG", CENTER_MODE);
      wait(1);

      lcd.Clear(LCD_COLOR_GREEN);
      
      lcd.SetTextColor(LCD_COLOR_BLUE);
      lcd.DrawRect(10, 20, 50, 50);
      wait(0.1);
      lcd.SetTextColor(LCD_COLOR_BROWN);
      lcd.DrawCircle(80, 80, 50);
      wait(0.1);
      lcd.SetTextColor(LCD_COLOR_YELLOW);
      lcd.DrawEllipse(150, 150, 50, 100);
      wait(0.1);
      lcd.SetTextColor(LCD_COLOR_RED);
      lcd.FillCircle(200, 200, 40);
      wait(1);

      lcd.SetBackColor(LCD_COLOR_ORANGE);
      lcd.SetTextColor(LCD_COLOR_CYAN);
      lcd.DisplayStringAt(0, LINE(5), (uint8_t *)"HAVE FUN !!!", CENTER_MODE);
      wait(1);

      led1 = !led1;
    }
}