#include "lvgl.h"

#define PSE_UNITS_NUM 4 // number of units (4 in our case, X, Y, Z and extr)

void my_flush_cb(lv_disp_drv_t * disp, const lv_area_t * area, lv_color_t * buf);
void touchscreen_read_callback(lv_indev_drv_t * drv, lv_indev_data_t*data);
void * tick_thread (void *args);