import machine
import utime
import esp32

uS_TO_S_FACTOR = 1000000
TIME_TO_SLEEP = 30

boot_count = machine.RTC().memory[0]  # Store boot count in RTC memory
rtc_io_pin = machine.Pin(32, machine.Pin.IN, machine.Pin.PULL_UP)  # Configure RTC_IO pin as input with pull-up resistor

def print_wakeup_reason():
     global wakeup_reason
    wakeup_reason = machine.reset_cause()

    if wakeup_reason == machine.WAKE_REASON_EXT0:
        print("Wakeup caused by external signal using RTC_IO")
    elif wakeup_reason == machine.WAKE_REASON_EXT1:
        print("Wakeup caused by external signal using RTC_CNTL")
    elif wakeup_reason == machine.WAKE_REASON_TIMER:
        print("Wakeup caused by timer")
    elif wakeup_reason == machine.WAKE_REASON_TOUCHPAD:
        print("Wakeup caused by touchpad")
    elif wakeup_reason == machine.WAKE_REASON_ULP:
        print("Wakeup caused by ULP program")
    else:
        print(f"Wakeup was not caused by deep sleep: {wakeup_reason}")

def wake_up_handler(pin):
    global wakeup_reason
    wakeup_reason = machine.WAKE_REASON_EXT0

def setup():
    print("Initializing serial communication...")
    utime.sleep(1)  # Wait for 1 second

    global boot_count
    boot_count += 1
    print(f"Boot number: {boot_count}")

    print_wakeup_reason()

    print(f"Setup ESP32 to sleep for every {TIME_TO_SLEEP} seconds")
    machine.deepsleep(TIME_TO_SLEEP * uS_TO_S_FACTOR)

def loop():
    pass

setup()