106 lines
2.9 KiB
Python
106 lines
2.9 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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# Quote board matrix display
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# uses AdafruitIO to serve up a quote text feed and color feed
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# random quotes are displayed, updates periodically to look for new quotes
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# avoids repeating the same quote twice in a row
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import time
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import random
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import board
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import terminalio
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from adafruit_matrixportal.matrixportal import MatrixPortal
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# --- Display setup ---
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matrixportal = MatrixPortal(status_neopixel=board.NEOPIXEL, debug=True)
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# Create a new label with the color and text selected
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matrixportal.add_text(
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text_font=terminalio.FONT,
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text_position=(0, (matrixportal.graphics.display.height // 2) - 1),
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scrolling=True,
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)
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# Static 'Connecting' Text
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matrixportal.add_text(
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text_font=terminalio.FONT,
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text_position=(2, (matrixportal.graphics.display.height // 2) - 1),
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)
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QUOTES_FEED = "sign-quotes.signtext"
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COLORS_FEED = "sign-quotes.signcolor"
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SCROLL_DELAY = 0.02
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UPDATE_DELAY = 600
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quotes = []
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colors = []
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last_color = None
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last_quote = None
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def update_data():
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print("Updating data from Adafruit IO")
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matrixportal.set_text("Connecting", 1)
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try:
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quotes_data = matrixportal.get_io_data(QUOTES_FEED)
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quotes.clear()
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for json_data in quotes_data:
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quotes.append(matrixportal.network.json_traverse(json_data, ["value"]))
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print(quotes)
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# pylint: disable=broad-except
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except Exception as error:
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print(error)
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try:
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color_data = matrixportal.get_io_data(COLORS_FEED)
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colors.clear()
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for json_data in color_data:
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colors.append(matrixportal.network.json_traverse(json_data, ["value"]))
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print(colors)
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# pylint: disable=broad-except
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except Exception as error:
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print(error)
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if not quotes or not colors:
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raise RuntimeError("Please add at least one quote and color to your feeds")
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matrixportal.set_text(" ", 1)
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update_data()
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last_update = time.monotonic()
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matrixportal.set_text(" ", 1)
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quote_index = None
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color_index = None
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while True:
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# Choose a random quote from quotes
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if len(quotes) > 1 and last_quote is not None:
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while quote_index == last_quote:
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quote_index = random.randrange(0, len(quotes))
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else:
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quote_index = random.randrange(0, len(quotes))
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last_quote = quote_index
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# Choose a random color from colors
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if len(colors) > 1 and last_color is not None:
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while color_index == last_color:
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color_index = random.randrange(0, len(colors))
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else:
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color_index = random.randrange(0, len(colors))
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last_color = color_index
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# Set the quote text
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matrixportal.set_text(quotes[quote_index])
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# Set the text color
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matrixportal.set_text_color(colors[color_index])
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# Scroll it
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matrixportal.scroll_text(SCROLL_DELAY)
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if time.monotonic() > last_update + UPDATE_DELAY:
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update_data()
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last_update = time.monotonic()
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