107 lines
3.7 KiB
Python
107 lines
3.7 KiB
Python
# SPDX-FileCopyrightText: 2020 John Park for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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# Matrix Weather display
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# For Metro M4 Airlift with RGB Matrix shield, 64 x 32 RGB LED Matrix display
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"""
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This example queries the Open Weather Maps site API to find out the current
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weather for your location... and display it on a screen!
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if you can find something that spits out JSON data, we can display it
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"""
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import time
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import board
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import microcontroller
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from digitalio import DigitalInOut, Direction, Pull
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from adafruit_matrixportal.network import Network
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from adafruit_matrixportal.matrix import Matrix
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import openweather_graphics # pylint: disable=wrong-import-position
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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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if hasattr(board, "D12"):
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jumper = DigitalInOut(board.D12)
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jumper.direction = Direction.INPUT
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jumper.pull = Pull.UP
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is_metric = jumper.value
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elif hasattr(board, "BUTTON_DOWN") and hasattr(board, "BUTTON_UP"):
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button_down = DigitalInOut(board.BUTTON_DOWN)
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button_down.switch_to_input(pull=Pull.UP)
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button_up = DigitalInOut(board.BUTTON_UP)
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button_up.switch_to_input(pull=Pull.UP)
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if not button_down.value:
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print("Down Button Pressed")
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microcontroller.nvm[0] = 1
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elif not button_up.value:
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print("Up Button Pressed")
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microcontroller.nvm[0] = 0
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print(microcontroller.nvm[0])
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is_metric = microcontroller.nvm[0]
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else:
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is_metric = False
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if is_metric:
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UNITS = "metric" # can pick 'imperial' or 'metric' as part of URL query
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print("Jumper set to metric")
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else:
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UNITS = "imperial"
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print("Jumper set to imperial")
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# Use cityname, country code where countrycode is ISO3166 format.
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# E.g. "New York, US" or "London, GB"
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LOCATION = "Los Angeles, US"
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print("Getting weather for {}".format(LOCATION))
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# Set up from where we'll be fetching data
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DATA_SOURCE = (
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"http://api.openweathermap.org/data/2.5/weather?q=" + LOCATION + "&units=" + UNITS
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)
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DATA_SOURCE += "&appid=" + secrets["openweather_token"]
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# You'll need to get a token from openweather.org, looks like 'b6907d289e10d714a6e88b30761fae22'
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# it goes in your secrets.py file on a line such as:
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# 'openweather_token' : 'your_big_humongous_gigantor_token',
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DATA_LOCATION = []
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SCROLL_HOLD_TIME = 0 # set this to hold each line before finishing scroll
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# --- Display setup ---
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matrix = Matrix()
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network = Network(status_neopixel=board.NEOPIXEL, debug=True)
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if UNITS in ("imperial", "metric"):
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gfx = openweather_graphics.OpenWeather_Graphics(
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matrix.display, am_pm=True, units=UNITS
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)
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print("gfx loaded")
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localtime_refresh = None
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weather_refresh = None
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while True:
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# only query the online time once per hour (and on first run)
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if (not localtime_refresh) or (time.monotonic() - localtime_refresh) > 3600:
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try:
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print("Getting time from internet!")
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network.get_local_time()
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localtime_refresh = time.monotonic()
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except RuntimeError as e:
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print("Some error occured, retrying! -", e)
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continue
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# only query the weather every 10 minutes (and on first run)
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if (not weather_refresh) or (time.monotonic() - weather_refresh) > 600:
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try:
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value = network.fetch_data(DATA_SOURCE, json_path=(DATA_LOCATION,))
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print("Response is", value)
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gfx.display_weather(value)
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weather_refresh = time.monotonic()
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except RuntimeError as e:
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print("Some error occured, retrying! -", e)
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continue
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gfx.scroll_next_label()
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# Pause between labels
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time.sleep(SCROLL_HOLD_TIME)
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