Arduino IDE board as M5StickC (look at M5StickT.h)
https://github.com/m5stack/M5-StickT/archive/refs/heads/master.zip
M5StickT_Lepton_opensource_v1.ino
#include <M5StickT.h>
#include <Wire.h>
#include <SPI.h>
#include "Lepton.h"
#include "img_table.h"
#include "esp_attr.h"
#include "esp_timer.h"
#include "img/ColorT.h"
used EasyLoader tools be easy
https://docs.m5stack.com/en/core/m5stickt