code for Matter sensor dashboard

Matter_Devices_Dashboard/code.py

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+# SPDX-FileCopyrightText: 2024 Liz Clark for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+import time
+import os
+import ssl
+import wifi
+import socketpool
+import microcontroller
+import board
+import digitalio
+import displayio
+from adafruit_bitmap_font import bitmap_font
+from adafruit_display_text import bitmap_label
+from adafruit_display_shapes.circle import Circle
+from adafruit_display_shapes.roundrect import RoundRect
+from adafruit_ticks import ticks_ms, ticks_add, ticks_diff
+import adafruit_minimqtt.adafruit_minimqtt as MQTT
+
+aio_username = os.getenv("ADAFRUIT_AIO_USERNAME")
+aio_key = os.getenv("ADAFRUIT_AIO_KEY")
+
+# feeds!
+temp_feed = aio_username + "/feeds/eve-temp" # temperature sensor
+humid_feed = aio_username + "/feeds/eve-humid" # humidity sensor
+lux_feed = aio_username + "/feeds/eve-light" # lux sensor
+occupy_feed = aio_username + "/feeds/eve-occupy" # occupation sensor
+light_feed = aio_username + "/feeds/nanoleaf" # lightstrip
+
+# buttons
+button0 = digitalio.DigitalInOut(board.D0)
+button0.direction = digitalio.Direction.INPUT
+button0.pull = digitalio.Pull.UP
+button0_state = False
+button1 = digitalio.DigitalInOut(board.D1)
+button1.direction = digitalio.Direction.INPUT
+button1.pull = digitalio.Pull.DOWN
+button1_state = False
+button2 = digitalio.DigitalInOut(board.D2)
+button2.direction = digitalio.Direction.INPUT
+button2.pull = digitalio.Pull.DOWN
+button2_state = False
+
+display = board.DISPLAY
+group = displayio.Group()
+display.root_group = group
+
+# load background bitmap
+bitmap = displayio.OnDiskBitmap("/tft_bg.bmp")
+tile_grid = displayio.TileGrid(bitmap, pixel_shader=bitmap.pixel_shader)
+group = displayio.Group()
+group.append(tile_grid)
+
+# bitmap font
+font_file = "/roundedHeavy-26.bdf"
+font = bitmap_font.load_font(font_file)
+# text elements
+temp_text = bitmap_label.Label(font, text="00.0°C", x=55, y=70, color=0xFFFFFF)
+group.append(temp_text)
+humid_text = bitmap_label.Label(font, text="00.0%", x=120, y=70, color=0xFFFFFF)
+group.append(humid_text)
+lux_text = bitmap_label.Label(font, text="00 lx", x=190, y=70, color=0xFFFFFF)
+group.append(lux_text)
+occupy_text = bitmap_label.Label(font, text="Occupied?", x=128,
+                                 y=display.height - 12, color=0xFFFFFF)
+group.append(occupy_text)
+onOff_circ = Circle(display.width - 12, display.height - 12, 10, fill=0xcc0000)
+group.append(onOff_circ)
+scene_select = RoundRect(0, 0, 42, 40, 8, fill=None, outline=0xcccc00, stroke=6)
+scene_y = [0, int(display.height / 2) - int(scene_select.height / 2),
+           display.height - scene_select.height - 1]
+group.append(scene_select)
+
+display.root_group = group
+print()
+print("Connecting to WiFi...")
+#  connect to your SSID
+wifi.radio.connect(os.getenv('CIRCUITPY_WIFI_SSID'), os.getenv('CIRCUITPY_WIFI_PASSWORD'))
+print("Connected to WiFi!")
+
+# pylint: disable=unused-argument
+# Define callback methods which are called when events occur
+def connected(client, userdata, flags, rc): # pylint: disable=unused-argument
+    # This function will be called when the client is connected
+    # successfully to the broker.
+    print("Connected to Adafruit IO!")
+    # Subscribe to all changes on feeds
+    client.subscribe(temp_feed)
+    client.subscribe(humid_feed)
+    client.subscribe(lux_feed)
+    client.subscribe(occupy_feed)
+    client.subscribe(light_feed)
+
+def disconnected(client, userdata, rc): # pylint: disable=unused-argument
+    # This method is called when the client is disconnected
+    print("Disconnected from Adafruit IO!")
+
+def on_message(client, topic, msg): # pylint: disable=unused-argument
+    # This method is called when a topic the client is subscribed to
+    # has a new message.
+    print(f"New message on topic {topic}")
+
+def on_temp_msg(client, topic, msg):
+    print(f"temp feed data: {msg}°C")
+    temp_text.text = f"{float(msg):.01f}°C"
+
+def on_humid_msg(client, topic, msg):
+    print(f"humid feed data: {msg}%")
+    humid_text.text = f"{float(msg):.01f}%"
+
+def on_lux_msg(client, topic, msg):
+    print(f"lux feed data: {msg} lx")
+    lux_text.text = f"{float(msg):.00f} lx"
+
+def on_occupy_msg(client, topic, msg):
+    print(f"occupation feed data: {msg}")
+    if msg == "1":
+        onOff_circ.fill = 0x00cc00
+    else:
+        onOff_circ.fill = 0xcc0000
+
+def on_light_msg(client, topic, msg):
+    print(f"light scene selected: {msg}")
+    scene_select.y = scene_y[int(msg)]
+
+pool = socketpool.SocketPool(wifi.radio)
+ssl_context = ssl.create_default_context()
+# Initialize an Adafruit IO HTTP API object
+mqtt_client = MQTT.MQTT(
+    broker="io.adafruit.com",
+    port=1883,
+    username=aio_username,
+    password=aio_key,
+    socket_pool=pool,
+    ssl_context=ssl_context,
+)
+# Setup the callback methods above
+mqtt_client.on_connect = connected
+mqtt_client.on_disconnect = disconnected
+mqtt_client.on_message = on_message
+mqtt_client.add_topic_callback(temp_feed, on_temp_msg)
+mqtt_client.add_topic_callback(humid_feed, on_humid_msg)
+mqtt_client.add_topic_callback(lux_feed, on_lux_msg)
+mqtt_client.add_topic_callback(occupy_feed, on_occupy_msg)
+mqtt_client.add_topic_callback(light_feed, on_light_msg)
+
+# Connect the client to the MQTT broker.
+print("Connecting to Adafruit IO...")
+mqtt_client.connect()
+
+clock_clock = ticks_ms()
+clock_timer = 5 * 1000
+
+while True:
+    try:
+        if ticks_diff(ticks_ms(), clock_clock) >= clock_timer:
+            mqtt_client.loop(timeout=1)
+            clock_clock = ticks_add(clock_clock, clock_timer)
+        # reset button state on release
+        if button0.value and button0_state:
+            button0_state = False
+        if not button1.value and button1_state:
+            button1_state = False
+        if not button2.value and button2_state:
+            button2_state = False
+        # buttons change light scenes
+        if not button0.value and not button0_state:
+            mqtt_client.publish(light_feed, 0)
+            scene_select.y = scene_y[0]
+            button0_state = True
+        if button1.value and not button1_state:
+            mqtt_client.publish(light_feed, 1)
+            scene_select.y = scene_y[1]
+            button1_state = True
+        if button2.value and not button2_state:
+            mqtt_client.publish(light_feed, 2)
+            scene_select.y = scene_y[2]
+            button2_state = True
+    except Exception as error: # pylint: disable=broad-except
+        print(error)
+        mqtt_client.disconnect()
+        time.sleep(5)
+        microcontroller.reset()