analog_tof.py

#  MIT License
#
#  Copyright (c) 2024 E. A. (Ed) Graham, Jr.
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# reports the readings from a Time-of-Flight sensor to HA

import adafruit_vl6180x
import asyncio

from ha_minimqtt.sensors import AnalogSensor, AnalogDevice
from utils import board_i2c, my_device, EXAMPLES_TOPIC, wrapper

sensor = AnalogSensor(
    "tof_range",
    "Test Range",
    my_device,
    AnalogDevice.DISTANCE,
    unit_of_measurement="cm",
    suggested_precision=1,
)
sensor.set_topic_prefix(EXAMPLES_TOPIC)


async def read_sensor():
    i2c = board_i2c()
    tof_sensor = adafruit_vl6180x.VL6180X(i2c)

    while True:
        mm = tof_sensor.range
        print(f"Range: {mm}mm")
        lux1 = tof_sensor.read_lux(adafruit_vl6180x.ALS_GAIN_1)
        lux10 = tof_sensor.read_lux(adafruit_vl6180x.ALS_GAIN_10)
        print(f"Lux 1x - {lux1} 10x - {lux10}")

        sensor.set_current_state(float(mm / 10.0))

        await asyncio.sleep(0.1)


async def read_button_because_i_dont_like_crtl_c():
    import board, digitalio

    button = digitalio.DigitalInOut(board.BUTTON)
    button.switch_to_input(pull=digitalio.Pull.UP)  # makes it "backwards"
    while button.value:
        await asyncio.sleep(1)


async def main():
    await wrapper.start()
    sensor.start(wrapper)

    ignored = asyncio.create_task(read_sensor())

    await read_button_because_i_dont_like_crtl_c()


asyncio.run(main())