Marlin Menu Items for Filament Load and Unload

ultralcd.cpp.patch

static void lcd_prepare_menu()
{
    START_MENU();
    MENU_ITEM(back, MSG_MAIN, lcd_main_menu);
#ifdef SDSUPPORT
    //MENU_ITEM(function, MSG_AUTOSTART, lcd_autostart_sd);
#endif
    MENU_ITEM(gcode, MSG_DISABLE_STEPPERS, PSTR("M84"));
    MENU_ITEM(gcode, MSG_AUTO_HOME, PSTR("G28"));
    MENU_ITEM(gcode, MSG_LOAD_FILAMENT, PSTR("G21 G F200 E10"));
    MENU_ITEM(gcode, MSG_FEED_FILAMENT, PSTR("G F1000 E1000"));
    MENU_ITEM(gcode, MSG_UNLOAD_FILAMENT, PSTR("G F1000 E-1000"));
    //MENU_ITEM(gcode, MSG_SET_ORIGIN, PSTR("G92 X0 Y0 Z0"));
    MENU_ITEM(function, MSG_PREHEAT_PLA, lcd_preheat_pla);
    MENU_ITEM(function, MSG_PREHEAT_ABS, lcd_preheat_abs);
    MENU_ITEM(function, MSG_COOLDOWN, lcd_cooldown);
#if PS_ON_PIN > -1
    if (powersupply)
    {
        MENU_ITEM(gcode, MSG_SWITCH_PS_OFF, PSTR("M81"));
    }else{
        MENU_ITEM(gcode, MSG_SWITCH_PS_ON, PSTR("M80"));
    }
#endif
    MENU_ITEM(submenu, MSG_MOVE_AXIS, lcd_move_menu);
    END_MENU();
}