First Commit

ESP32-S2_TFT_Mini_Weather_Station/code.py

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+# SPDX-FileCopyrightText: 2023 Trevor Beaton for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+import os
+import ssl
+import time
+import wifi
+import board
+import displayio
+import terminalio
+import socketpool
+import adafruit_requests
+
+from adafruit_display_text import bitmap_label
+
+# Initialize Wi-Fi connection
+try:
+    wifi.radio.connect(
+        os.getenv("CIRCUITPY_WIFI_SSID"), os.getenv("CIRCUITPY_WIFI_PASSWORD")
+    )
+    print("Connected to %s!" % os.getenv("CIRCUITPY_WIFI_SSID"))
+# Wi-Fi connectivity fails with error messages, not specific errors, so this except is broad.
+except Exception as e:  # pylint: disable=broad-except
+    print(
+        "Failed to connect to WiFi. Error:", e, "\nBoard will hard reset in 30 seconds."
+    )
+
+
+# Create a socket pool and session object for making HTTP requests
+pool = socketpool.SocketPool(wifi.radio)
+requests = adafruit_requests.Session(pool, ssl.create_default_context())
+
+# Set location and units for weather data
+UNITS = "metric"
+LOCATION = os.getenv("LOCATION")
+print("Getting weather for {}".format(LOCATION))
+
+# Set up the URL for fetching weather data
+DATA_SOURCE = (
+    "http://api.openweathermap.org/data/2.5/weather?q="
+    + LOCATION
+    + "&units="
+    + UNITS
+    + "&mode=json"
+    + "&appid="
+    + os.getenv("OPENWEATHER_KEY")
+)
+
+# Define time interval between requests
+time_interval = 3000  # set the time interval to 30 minutes
+
+# Set up display a default image
+display = board.DISPLAY
+bitmap = displayio.OnDiskBitmap("/images/sunny.bmp")
+tile_grid = displayio.TileGrid(bitmap, pixel_shader=bitmap.pixel_shader)
+
+group = displayio.Group()
+group.append(tile_grid)
+
+# Create label for displaying temperature data
+text_area = bitmap_label.Label(terminalio.FONT, scale=3)
+text_area.anchor_point = (0.5, 0.5)
+text_area.anchored_position = (display.width // 2, display.height // 2)
+
+# Create main group to hold all display groups
+main_group = displayio.Group()
+main_group.append(group)
+main_group.append(text_area)
+# Show the main group on the display
+display.show(main_group)
+
+# Define function to get the appropriate weather icon
+def get_weather_condition_icon(weather_condition):
+    if "cloud" in weather_condition.lower():
+        return "/images/cloudy.bmp"
+    elif "rain" in weather_condition.lower():
+        return "/images/rain.bmp"
+    elif "snow" in weather_condition.lower():
+        return "/images/snowy.bmp"
+    elif "clear" in weather_condition.lower():
+        return "/images/sunny.bmp"
+    else:
+        return "/images/sunny.bmp"
+
+
+# Define function to update the background image based on weather conditions
+def set_background(weather_condition, background_tile_grid):
+    bitmap_path = get_weather_condition_icon(weather_condition)
+    background_bitmap = displayio.OnDiskBitmap(bitmap_path)
+    background_tile_grid.bitmap = background_bitmap
+
+
+# Main loop to continuously fetch and display weather data
+while True:
+
+    # Fetch weather data from OpenWeatherMap API
+    print("Fetching json from", DATA_SOURCE)
+    response = requests.get(DATA_SOURCE)
+    print(response.json())
+
+    # Extract temperature and weather condition data from API response
+    current_temp = response.json()["main"]["temp"]
+    max_temp = response.json()["main"]["temp_max"]
+    min_temp = response.json()["main"]["temp_min"]
+    current_weather_condition = response.json()["weather"][0]["main"]
+
+    print("Weather condition: ", current_weather_condition)
+
+    # Convert temperatures to Fahrenheit
+    max_temp = (max_temp * 9 / 5) + 32
+    min_temp = (min_temp * 9 / 5) + 32
+    current_temp = (current_temp * 9 / 5) + 32
+
+    # Convert temperatures to Fahrenheit to Celsius
+    # max_temp = (max_temp - 32) * 5/9
+    # min_temp = (min_temp - 32) * 5/9
+    # current_temp = (current_temp - 32) * 5/9
+    print("Current temperature: {:.1f} °F".format(current_temp))
+
+    # Update label for displaying temperature data
+    text_area.text = "{}\n     {:.0f}°F\nH:{:.0f}°F   L:{:.0f}°F".format(
+    LOCATION, round(current_temp), round(max_temp), round(min_temp))
+
+    # Update background image
+    set_background(current_weather_condition, tile_grid)
+
+    time.sleep(time_interval)