import os, sys, io
import M5
from M5 import *
from m5espnow import M5ESPNow
import time



espnow_0 = None


mac = None
str2 = None


def setup():
  global espnow_0, mac, str2

  M5.begin()
  espnow_0 = M5ESPNow(0)


def loop():
  global espnow_0, mac, str2
  M5.update()
  mac = espnow_0.get_mac(0)
  str2 = espnow_0._bytes_to_hex_str(mac)
  print(str2)
  time.sleep(5)


if __name__ == '__main__':
  try:
    setup()
    while True:
      loop()
  except (Exception, KeyboardInterrupt) as e:
    try:
      from utility import print_error_msg
      print_error_msg(e)
    except ImportError:
      print("please update to latest firmware")