# Example of how to build a broadcast beacon with aioble in MicroPython.
# The microcontroller broadcasts environmental readings for a short time
# and then goes into deep sleep for a while to conserve power.

from machine import deepsleep
import asyncio
import aioble

BLE_ADV_INTERVAL_uS = 250000
AWAKE_TIME_SECS = 60  # How long to spend advertising.
SLEEP_TIME_SECS = 120  # How long to spend in deep sleep.

# The advertsing payload below is a mock-up of a BTHome advertisement.
# It's the same sample payload used in the v2 format example at bthome.io
#
#   020106 0B094449592D73656E736F72 0A16D2FC4002C40903BF13
#
# It advertises a beacon named DIY-sensor, communicating a temperature
# reading of 25C and relative humidity of 50.55%
ADV_DATA = bytes.fromhex("020106 0B094449592D73656E736F72 0A16D2FC4002C40903BF13")


async def read_sensor():
    # For a real temperature-humidity beacon, read sensor values here.
    await asyncio.sleep(AWAKE_TIME_SECS)
    print("Going to sleep.")
    deepsleep(SLEEP_TIME_SECS * 1000)


async def communicate_readings():
    # For a real beacon, pack sensor values into ADV_DATA payload here.
    print(f"Advertising payload: {ADV_DATA.hex().upper()}")
    await aioble.advertise(BLE_ADV_INTERVAL_uS, adv_data=ADV_DATA, connectable=False)


async def main():
    task1 = asyncio.create_task(read_sensor())
    task2 = asyncio.create_task(communicate_readings())
    await asyncio.gather(task1, task2)


asyncio.run(main())