func: static void boston_lcd_event(void *opaque, int event)
  
  {
  
      BostonState *s = opaque;
  
      if (event == CHR_EVENT_OPENED && !s->lcd_inited) {
  
          qemu_chr_fe_printf(&s->lcd_display, "        ");
  
          s->lcd_inited = true;
  
      }
  
  }
  