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| 1 | +# SPDX-FileCopyrightText: 2023 Melissa-LeBlanc-Williams for Adafruit Industries |
| 2 | +# SPDX-FileCopyrightText: 2023 Erin St. Blaine for Adafruit Industries |
| 3 | +# SPDX-FileCopyrightText: 2020 John Park for Adafruit Industries |
| 4 | +# |
| 5 | +# SPDX-License-Identifier: MIT |
| 6 | + |
| 7 | +# SMS Message board matrix display |
| 8 | +# uses AdafruitIO to serve up a message text feed and color feed |
| 9 | +# messages are displayed in order, updates periodically to look for new messages |
| 10 | + |
| 11 | +from collections import deque |
| 12 | +import time |
| 13 | +import random |
| 14 | +import board |
| 15 | +from adafruit_matrixportal.matrix import Matrix |
| 16 | +from adafruit_matrixportal.network import Network |
| 17 | +from messageboard import MessageBoard |
| 18 | +from messageboard.fontpool import FontPool |
| 19 | +from messageboard.message import Message |
| 20 | + |
| 21 | +WIDTH = 64 |
| 22 | +HEIGHT = 32 |
| 23 | +DEFAULT_COLOR = 0x0000FF |
| 24 | +DEFAULT_MESSAGE = "Text Adafruit IO to update" |
| 25 | +DEFAULT_FONT = "arial_sm" |
| 26 | +MESSAGES_FEED = "text" |
| 27 | +COLORS_FEED = "color" |
| 28 | +UPDATE_DELAY = 50 # Seconds between updates |
| 29 | +SCROLL_DURATION = 6 # Seconds to scroll entire message |
| 30 | +RANDOMIZE_FONTS = True # Randomize fonts, make "False" to just use the default font |
| 31 | +RANDOMIZE_COLORS = True # Randomise colors, make "False" to just use the default color |
| 32 | +KEEP_LATEST_MESSAGE = True # Keep the last message in the Message Feed |
| 33 | + |
| 34 | +# --- Display setup --- |
| 35 | +matrix = Matrix(width=WIDTH, height=HEIGHT, bit_depth=5) |
| 36 | +network = Network(status_neopixel=board.NEOPIXEL, debug=True) |
| 37 | +messageboard = MessageBoard(matrix) |
| 38 | + |
| 39 | +fontpool = FontPool() |
| 40 | +fontpool.add_font("arial_sm", "fonts/Arial-10.pcf") |
| 41 | +fontpool.add_font("arial_lg", "fonts/Arial-15.pcf") |
| 42 | +fontpool.add_font("sofia", "fonts/Sofia-Regular-15.pcf") |
| 43 | + |
| 44 | +system_message = Message(fontpool.find_font("arial_sm")) |
| 45 | + |
| 46 | +message_fonts = ("sofia", "arial_lg") |
| 47 | + |
| 48 | +message_queue = deque((), 10000) # Use a double-ended queue for messages |
| 49 | +colors = [] |
| 50 | + |
| 51 | + |
| 52 | +def update_data(): |
| 53 | + print("Updating data from Adafruit IO") |
| 54 | + # Only show connecting message if not connected |
| 55 | + if not network.is_connected: |
| 56 | + system_message.clear() |
| 57 | + system_message.add_text("Connecting", color=0xFFFF00) |
| 58 | + messageboard.animate(system_message, "Static", "show") |
| 59 | + |
| 60 | + try: |
| 61 | + color_data = network.get_io_data(COLORS_FEED) |
| 62 | + colors.clear() |
| 63 | + for json_data in color_data: |
| 64 | + color = network.json_traverse(json_data, ["value"]) |
| 65 | + colors.append(int(color[1:], 16)) |
| 66 | + # pylint: disable=broad-except |
| 67 | + except Exception as error: |
| 68 | + print(error) |
| 69 | + |
| 70 | + try: |
| 71 | + messages_data = network.get_io_data(MESSAGES_FEED) |
| 72 | + message_ids = [] |
| 73 | + sms_messages = [] # Temporary place for messages |
| 74 | + for json_data in messages_data: |
| 75 | + message_ids.append(network.json_traverse(json_data, ["id"])) |
| 76 | + sms_messages.append(network.json_traverse(json_data, ["value"])) |
| 77 | + |
| 78 | + # Results are returned in reverse order, so we reverse that and add to end of queue |
| 79 | + sms_messages.reverse() |
| 80 | + for sms_message in sms_messages: |
| 81 | + message_queue.append(sms_message) |
| 82 | + |
| 83 | + # Remove any messages that have been grabbed except the latest one if setting enabled |
| 84 | + start_index = 1 if KEEP_LATEST_MESSAGE else 0 |
| 85 | + for index in range(start_index, len(message_ids)): |
| 86 | + message_id = message_ids[index] |
| 87 | + network.delete_io_data(MESSAGES_FEED, message_id) |
| 88 | + |
| 89 | + # pylint: disable=broad-except |
| 90 | + except Exception as error: |
| 91 | + print(error) |
| 92 | + |
| 93 | + messageboard.animate(system_message, "Static", "hide") |
| 94 | + |
| 95 | + |
| 96 | +def get_new_rand_item(current_index, item_list): |
| 97 | + if not item_list: |
| 98 | + return None |
| 99 | + if len(item_list) > 1 and current_index is not None: |
| 100 | + new_index = current_index |
| 101 | + while new_index == current_index: |
| 102 | + new_index = random.randrange(0, len(item_list)) |
| 103 | + else: |
| 104 | + new_index = random.randrange(0, len(item_list)) |
| 105 | + return new_index |
| 106 | + |
| 107 | + |
| 108 | +update_data() |
| 109 | +last_update = time.monotonic() |
| 110 | +quote_index = None |
| 111 | +color_index = None |
| 112 | +font_index = None |
| 113 | +message_text = None |
| 114 | + |
| 115 | +while True: |
| 116 | + if len(message_queue) >= 1: |
| 117 | + message_text = message_queue.popleft() |
| 118 | + |
| 119 | + if message_text is None: |
| 120 | + message_text = DEFAULT_MESSAGE |
| 121 | + |
| 122 | + # Choose a random color from colors |
| 123 | + if RANDOMIZE_COLORS: |
| 124 | + color_index = get_new_rand_item(color_index, colors) |
| 125 | + if color_index is None: |
| 126 | + message_color = DEFAULT_COLOR |
| 127 | + else: |
| 128 | + message_color = colors[color_index] |
| 129 | + else: |
| 130 | + message_color = DEFAULT_COLOR |
| 131 | + |
| 132 | + # Choose a random font from message_fonts |
| 133 | + if RANDOMIZE_FONTS: |
| 134 | + font_index = get_new_rand_item(font_index, message_fonts) |
| 135 | + if font_index is None: |
| 136 | + message_font = DEFAULT_FONT |
| 137 | + else: |
| 138 | + message_font = message_fonts[font_index] |
| 139 | + else: |
| 140 | + message_font = DEFAULT_FONT |
| 141 | + |
| 142 | + # Set the quote text and color |
| 143 | + message = Message(fontpool.find_font(message_font)) |
| 144 | + message.add_text(message_text, color=message_color) |
| 145 | + |
| 146 | + # Scroll the message |
| 147 | + duration = SCROLL_DURATION / 2 |
| 148 | + messageboard.animate(message, "Scroll", "in_from_right", duration=duration) |
| 149 | + messageboard.animate(message, "Scroll", "out_to_left", duration=duration) |
| 150 | + |
| 151 | + if time.monotonic() > last_update + UPDATE_DELAY: |
| 152 | + update_data() |
| 153 | + last_update = time.monotonic() |
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