Yestedray at late night 🙂 finaly managed to work, to do this I deleted almost all code from ui.ino file, used Lilygo suplied libraries of lvgl, now code of ui.ino looks like this:
#include <LilyGo_RGBPanel.h>
#include <LV_Helper.h>
#include <TFT_eSPI.h>
#include <ui.h>
LilyGo_RGBPanel panel;
void setup()
{
Serial.begin(115200);
}
void loop()
{
lv_timer_handler(); /* let the GUI do its work */
delay(5);
}
Later will make SLS template, thanks for advices ;-).