96 lines
2.9 KiB
Python
96 lines
2.9 KiB
Python
# SPDX-FileCopyrightText: 2019 Brent Rubell for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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"""
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PyPortal IOT Data Logger for Adafruit IO
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Dependencies:
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* CircuitPython_ADT7410
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https://github.com/adafruit/Adafruit_CircuitPython_ADT7410
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* CircuitPython_AdafruitIO
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https://github.com/adafruit/Adafruit_CircuitPython_AdafruitIO
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"""
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import time
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import board
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import busio
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from digitalio import DigitalInOut
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from analogio import AnalogIn
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# ESP32 SPI
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from adafruit_esp32spi import adafruit_esp32spi, adafruit_esp32spi_wifimanager
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# Import NeoPixel Library
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import neopixel
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# Import Adafruit IO HTTP Client
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from adafruit_io.adafruit_io import IO_HTTP, AdafruitIO_RequestError
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# Import ADT7410 Library
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import adafruit_adt7410
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# Timeout between sending data to Adafruit IO, in seconds
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IO_DELAY = 30
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# Get wifi details and more from a secrets.py file
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try:
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from secrets import secrets
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except ImportError:
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print("WiFi secrets are kept in secrets.py, please add them there!")
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raise
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# PyPortal ESP32 Setup
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esp32_cs = DigitalInOut(board.ESP_CS)
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esp32_ready = DigitalInOut(board.ESP_BUSY)
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esp32_reset = DigitalInOut(board.ESP_RESET)
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spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
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esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
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status_light = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=0.2)
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wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets, status_light)
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# Set your Adafruit IO Username and Key in secrets.py
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# (visit io.adafruit.com if you need to create an account,
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# or if you need your Adafruit IO key.)
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ADAFRUIT_IO_USER = secrets['aio_username']
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ADAFRUIT_IO_KEY = secrets['aio_key']
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# Create an instance of the Adafruit IO HTTP client
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io = IO_HTTP(ADAFRUIT_IO_USER, ADAFRUIT_IO_KEY, wifi)
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try:
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# Get the 'temperature' feed from Adafruit IO
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temperature_feed = io.get_feed('temperature')
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light_feed = io.get_feed('light')
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except AdafruitIO_RequestError:
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# If no 'temperature' feed exists, create one
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temperature_feed = io.create_new_feed('temperature')
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light_feed = io.create_new_feed('light')
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# Set up ADT7410 sensor
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i2c_bus = busio.I2C(board.SCL, board.SDA)
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adt = adafruit_adt7410.ADT7410(i2c_bus, address=0x48)
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adt.high_resolution = True
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# Set up an analog light sensor on the PyPortal
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adc = AnalogIn(board.LIGHT)
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while True:
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try:
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light_value = adc.value
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print('Light Level: ', light_value)
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temperature = adt.temperature
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print('Temperature: %0.2f C'%(temperature))
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print('Sending to Adafruit IO...')
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io.send_data(light_feed['key'], light_value)
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io.send_data(temperature_feed['key'], temperature, precision=2)
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print('Sent to Adafruit IO!')
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except (ValueError, RuntimeError, ConnectionError, OSError) as e:
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print("Failed to get data, retrying\n", e)
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wifi.reset()
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continue
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print('Delaying {0} seconds...'.format(IO_DELAY))
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time.sleep(IO_DELAY)
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