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| 1 | +# SPDX-FileCopyrightText: 2024 Liz Clark for Adafruit Industries |
| 2 | +# |
| 3 | +# SPDX-License-Identifier: MIT |
| 4 | + |
| 5 | +import time |
| 6 | +import os |
| 7 | +import ssl |
| 8 | +import wifi |
| 9 | +import socketpool |
| 10 | +import microcontroller |
| 11 | +import board |
| 12 | +import digitalio |
| 13 | +import displayio |
| 14 | +from adafruit_bitmap_font import bitmap_font |
| 15 | +from adafruit_display_text import bitmap_label |
| 16 | +from adafruit_display_shapes.circle import Circle |
| 17 | +from adafruit_display_shapes.roundrect import RoundRect |
| 18 | +from adafruit_ticks import ticks_ms, ticks_add, ticks_diff |
| 19 | +import adafruit_minimqtt.adafruit_minimqtt as MQTT |
| 20 | + |
| 21 | +aio_username = os.getenv("ADAFRUIT_AIO_USERNAME") |
| 22 | +aio_key = os.getenv("ADAFRUIT_AIO_KEY") |
| 23 | + |
| 24 | +# feeds! |
| 25 | +temp_feed = aio_username + "/feeds/eve-temp" # temperature sensor |
| 26 | +humid_feed = aio_username + "/feeds/eve-humid" # humidity sensor |
| 27 | +lux_feed = aio_username + "/feeds/eve-light" # lux sensor |
| 28 | +occupy_feed = aio_username + "/feeds/eve-occupy" # occupation sensor |
| 29 | +light_feed = aio_username + "/feeds/nanoleaf" # lightstrip |
| 30 | + |
| 31 | +# buttons |
| 32 | +button0 = digitalio.DigitalInOut(board.D0) |
| 33 | +button0.direction = digitalio.Direction.INPUT |
| 34 | +button0.pull = digitalio.Pull.UP |
| 35 | +button0_state = False |
| 36 | +button1 = digitalio.DigitalInOut(board.D1) |
| 37 | +button1.direction = digitalio.Direction.INPUT |
| 38 | +button1.pull = digitalio.Pull.DOWN |
| 39 | +button1_state = False |
| 40 | +button2 = digitalio.DigitalInOut(board.D2) |
| 41 | +button2.direction = digitalio.Direction.INPUT |
| 42 | +button2.pull = digitalio.Pull.DOWN |
| 43 | +button2_state = False |
| 44 | + |
| 45 | +display = board.DISPLAY |
| 46 | +group = displayio.Group() |
| 47 | +display.root_group = group |
| 48 | + |
| 49 | +# load background bitmap |
| 50 | +bitmap = displayio.OnDiskBitmap("/tft_bg.bmp") |
| 51 | +tile_grid = displayio.TileGrid(bitmap, pixel_shader=bitmap.pixel_shader) |
| 52 | +group = displayio.Group() |
| 53 | +group.append(tile_grid) |
| 54 | + |
| 55 | +# bitmap font |
| 56 | +font_file = "/roundedHeavy-26.bdf" |
| 57 | +font = bitmap_font.load_font(font_file) |
| 58 | +# text elements |
| 59 | +temp_text = bitmap_label.Label(font, text="00.0°C", x=55, y=70, color=0xFFFFFF) |
| 60 | +group.append(temp_text) |
| 61 | +humid_text = bitmap_label.Label(font, text="00.0%", x=120, y=70, color=0xFFFFFF) |
| 62 | +group.append(humid_text) |
| 63 | +lux_text = bitmap_label.Label(font, text="00 lx", x=190, y=70, color=0xFFFFFF) |
| 64 | +group.append(lux_text) |
| 65 | +occupy_text = bitmap_label.Label(font, text="Occupied?", x=128, |
| 66 | + y=display.height - 12, color=0xFFFFFF) |
| 67 | +group.append(occupy_text) |
| 68 | +onOff_circ = Circle(display.width - 12, display.height - 12, 10, fill=0xcc0000) |
| 69 | +group.append(onOff_circ) |
| 70 | +scene_select = RoundRect(0, 0, 42, 40, 8, fill=None, outline=0xcccc00, stroke=6) |
| 71 | +scene_y = [0, int(display.height / 2) - int(scene_select.height / 2), |
| 72 | + display.height - scene_select.height - 1] |
| 73 | +group.append(scene_select) |
| 74 | + |
| 75 | +display.root_group = group |
| 76 | +print() |
| 77 | +print("Connecting to WiFi...") |
| 78 | +# connect to your SSID |
| 79 | +wifi.radio.connect(os.getenv('CIRCUITPY_WIFI_SSID'), os.getenv('CIRCUITPY_WIFI_PASSWORD')) |
| 80 | +print("Connected to WiFi!") |
| 81 | + |
| 82 | +# pylint: disable=unused-argument |
| 83 | +# Define callback methods which are called when events occur |
| 84 | +def connected(client, userdata, flags, rc): # pylint: disable=unused-argument |
| 85 | + # This function will be called when the client is connected |
| 86 | + # successfully to the broker. |
| 87 | + print("Connected to Adafruit IO!") |
| 88 | + # Subscribe to all changes on feeds |
| 89 | + client.subscribe(temp_feed) |
| 90 | + client.subscribe(humid_feed) |
| 91 | + client.subscribe(lux_feed) |
| 92 | + client.subscribe(occupy_feed) |
| 93 | + client.subscribe(light_feed) |
| 94 | + |
| 95 | +def disconnected(client, userdata, rc): # pylint: disable=unused-argument |
| 96 | + # This method is called when the client is disconnected |
| 97 | + print("Disconnected from Adafruit IO!") |
| 98 | + |
| 99 | +def on_message(client, topic, msg): # pylint: disable=unused-argument |
| 100 | + # This method is called when a topic the client is subscribed to |
| 101 | + # has a new message. |
| 102 | + print(f"New message on topic {topic}") |
| 103 | + |
| 104 | +def on_temp_msg(client, topic, msg): |
| 105 | + print(f"temp feed data: {msg}°C") |
| 106 | + temp_text.text = f"{float(msg):.01f}°C" |
| 107 | + |
| 108 | +def on_humid_msg(client, topic, msg): |
| 109 | + print(f"humid feed data: {msg}%") |
| 110 | + humid_text.text = f"{float(msg):.01f}%" |
| 111 | + |
| 112 | +def on_lux_msg(client, topic, msg): |
| 113 | + print(f"lux feed data: {msg} lx") |
| 114 | + lux_text.text = f"{float(msg):.00f} lx" |
| 115 | + |
| 116 | +def on_occupy_msg(client, topic, msg): |
| 117 | + print(f"occupation feed data: {msg}") |
| 118 | + if msg == "1": |
| 119 | + onOff_circ.fill = 0x00cc00 |
| 120 | + else: |
| 121 | + onOff_circ.fill = 0xcc0000 |
| 122 | + |
| 123 | +def on_light_msg(client, topic, msg): |
| 124 | + print(f"light scene selected: {msg}") |
| 125 | + scene_select.y = scene_y[int(msg)] |
| 126 | + |
| 127 | +pool = socketpool.SocketPool(wifi.radio) |
| 128 | +ssl_context = ssl.create_default_context() |
| 129 | +# Initialize an Adafruit IO HTTP API object |
| 130 | +mqtt_client = MQTT.MQTT( |
| 131 | + broker="io.adafruit.com", |
| 132 | + port=1883, |
| 133 | + username=aio_username, |
| 134 | + password=aio_key, |
| 135 | + socket_pool=pool, |
| 136 | + ssl_context=ssl_context, |
| 137 | +) |
| 138 | +# Setup the callback methods above |
| 139 | +mqtt_client.on_connect = connected |
| 140 | +mqtt_client.on_disconnect = disconnected |
| 141 | +mqtt_client.on_message = on_message |
| 142 | +mqtt_client.add_topic_callback(temp_feed, on_temp_msg) |
| 143 | +mqtt_client.add_topic_callback(humid_feed, on_humid_msg) |
| 144 | +mqtt_client.add_topic_callback(lux_feed, on_lux_msg) |
| 145 | +mqtt_client.add_topic_callback(occupy_feed, on_occupy_msg) |
| 146 | +mqtt_client.add_topic_callback(light_feed, on_light_msg) |
| 147 | + |
| 148 | +# Connect the client to the MQTT broker. |
| 149 | +print("Connecting to Adafruit IO...") |
| 150 | +mqtt_client.connect() |
| 151 | + |
| 152 | +clock_clock = ticks_ms() |
| 153 | +clock_timer = 5 * 1000 |
| 154 | + |
| 155 | +while True: |
| 156 | + try: |
| 157 | + if ticks_diff(ticks_ms(), clock_clock) >= clock_timer: |
| 158 | + mqtt_client.loop(timeout=1) |
| 159 | + clock_clock = ticks_add(clock_clock, clock_timer) |
| 160 | + # reset button state on release |
| 161 | + if button0.value and button0_state: |
| 162 | + button0_state = False |
| 163 | + if not button1.value and button1_state: |
| 164 | + button1_state = False |
| 165 | + if not button2.value and button2_state: |
| 166 | + button2_state = False |
| 167 | + # buttons change light scenes |
| 168 | + if not button0.value and not button0_state: |
| 169 | + mqtt_client.publish(light_feed, 0) |
| 170 | + scene_select.y = scene_y[0] |
| 171 | + button0_state = True |
| 172 | + if button1.value and not button1_state: |
| 173 | + mqtt_client.publish(light_feed, 1) |
| 174 | + scene_select.y = scene_y[1] |
| 175 | + button1_state = True |
| 176 | + if button2.value and not button2_state: |
| 177 | + mqtt_client.publish(light_feed, 2) |
| 178 | + scene_select.y = scene_y[2] |
| 179 | + button2_state = True |
| 180 | + except Exception as error: # pylint: disable=broad-except |
| 181 | + print(error) |
| 182 | + mqtt_client.disconnect() |
| 183 | + time.sleep(5) |
| 184 | + microcontroller.reset() |
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