import os, sys, io
import M5
from M5 import *
from hardware import *



rgb = None


color = None


def btnA_wasPressed_event(state):
  global rgb, color
  color = color + 1
  if color == 1:
    rgb.set_color(0, 0xffff33)
  if color == 2:
    rgb.set_color(0, 0x3366ff)
    color = 0


def setup():
  global rgb, color

  M5.begin()
  BtnA.setCallback(type=BtnA.CB_TYPE.WAS_PRESSED, cb=btnA_wasPressed_event)

  rgb = RGB()
  rgb.set_color(0, 0x6600cc)
  rgb.set_brightness(60)
  color = 0


def loop():
  global rgb, color
  M5.update()


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")