import machine
from machine import TouchPad, Pin
import esp32

touch_threshold = 390

t = TouchPad(Pin(32))
t.config(touch_threshold)
esp32.wake_on_touch(True)
print("start to sleep(1min)")
machine.lightsleep(60*1000)  #  timer wake at 1min
print("wake up from sleep")
print_wakeup_reason()
