#if __MBED__
#include "Arduino_H7_Video.h"
#include "lvgl.h"
#include "Arduino_GigaDisplayTouch.h"
Arduino_H7_Video Display(800, 480, GigaDisplayShield);
Arduino_GigaDisplayTouch TouchDetector;
#elif __ZEPHYR__
#include "lvgl.h"
#include "Arduino_GigaDisplay.h"
Display Display(800, 480);
#endif
void setup() {
 delay(3000);
 Display.begin();
 //Display & Grid Setup
 lv_obj_t* screen = lv_obj_create(lv_scr_act());
 lv_obj_set_size(screen, Display.width(), Display.height());
 static lv_coord_t col_dsc[] = { 370, 370, LV_GRID_TEMPLATE_LAST };
 static lv_coord_t row_dsc[] = { 215, 215, 215, 215, LV_GRID_TEMPLATE_LAST };
 lv_obj_t* grid = lv_obj_create(lv_scr_act());
 lv_obj_set_grid_dsc_array(grid, col_dsc, row_dsc);
 lv_obj_set_size(grid, Display.width(), Display.height());
 //top left
 lv_obj_t* obj;
 obj = lv_obj_create(grid);
 lv_obj_set_grid_cell(obj, LV_GRID_ALIGN_STRETCH, 0, 1, //column
 LV_GRID_ALIGN_STRETCH, 0, 1); //row
 //bottom left
 obj = lv_obj_create(grid);
 lv_obj_set_grid_cell(obj, LV_GRID_ALIGN_STRETCH, 0, 1, //column
 LV_GRID_ALIGN_STRETCH, 1, 1); //row
 //top right
 obj = lv_obj_create(grid);
 lv_obj_set_grid_cell(obj, LV_GRID_ALIGN_STRETCH, 1, 1, //column
 LV_GRID_ALIGN_STRETCH, 0, 1); //row
 //bottom right
 obj = lv_obj_create(grid);
 lv_obj_set_grid_cell(obj, LV_GRID_ALIGN_STRETCH, 1, 1, //column
 LV_GRID_ALIGN_STRETCH, 1, 1); //row
}
void loop() {
 lv_timer_handler();
 delay(5);
}

uart:~$ sketch
[00:00:07.672,000] <err> llext: Failed allocating 499264 bytes 4-aligned for region 0
[00:00:07.680,000] <err> llext: Failed to copy regions, ret -12
Failed to load sketch, rc -12