Adafruit CircuitPython 10.0.3 on 2025-10-17; Adafruit-Qualia-S3-RGB666 with ESP32S3

# # Qualia ESP32-S3 RGB666 40p TFT JSON test # import os import ipaddress import ssl import wifi import socketpool import adafruit_requests import time import adafruit_connection_manager import adafruit_ntp import rtc import supervisor import json import microcontroller # Display libraries import displayio import busio import board import dotclockframebuffer from framebufferio import FramebufferDisplay # URL to fetch JSON from WxURL = "ENTER YOUR JSON SERVER HERE" print("\nQualia JSON Test\n") def json_grab(wxURL): # Fetch weather data as JSON from Flask server on gamera... got_json = False while not got_json: try: print("Fetching JSON data from %s" % WxURL) start_msecs = supervisor.ticks_ms() response = requests.get(WxURL) stop_msecs = supervisor.ticks_ms() # Check for HTTP errors if response.status_code != 200: print("HTTP Error:", response.status_code) raise adafruit_requests.OutOfRetries json_data = response.json() print("Data received:", json_data) print("JSON Flask server grab took: ", (stop_msecs - start_msecs)/1000, "seconds") response.close() # Always close the response got_json = True except (adafruit_requests.OutOfRetries) as e: print("Network error:", e) print("Retrying connection after 10 seconds...") time.sleep(10) # Wait before retrying to avoid spamming continue except Exception as e: print("An unexpected error occurred:", e) # Wifi connection might have been interrupted.... if wifi.radio.ipv4_address == None: print(f"Wifi disconnected...reconnecting to {os.getenv('CIRCUITPY_WIFI_SSID')}") wifi.radio.connect(os.getenv("CIRCUITPY_WIFI_SSID"), os.getenv("CIRCUITPY_WIFI_PASSWORD")) print(f"Connected to {os.getenv('CIRCUITPY_WIFI_SSID')}") print(f"My IP address: {wifi.radio.ipv4_address}") print("Retrying JSON grab after 30 seconds...") time.sleep(30) # Wait before retrying to avoid spamming continue # Now parse the JSON string... json_dict = json_data[0] json_dict_extra = {'CO2_TAMB': '20.01', 'CO2_RH': '66.00', 'CO2_PPM': '666', 'UVS': '5', 'LIGHT': '2345', 'UVI': '0.0834783', 'LUX': '1234.5', 'PM1P0S': '123', 'PM2P5S': '456', 'PM10S': '789', 'PM1P0E': '123', 'PM2P5E': '456', 'PM10E': '789', 'PMG0P3': '12345', 'PMG0P5': '1234', 'PMG1P0': '4567', 'PMG2P5': '123', 'PMG5P0': '45', 'PMG10': '6'} json_dict.update(json_dict_extra) for key, value in json_dict.items(): print(f"{key}: {value}") return json_dict # 4-inch square RGB-666 TFT with capacitive touch settings displayio.release_displays() tft_pins = dict(board.TFT_PINS) tft_timings = { "frequency": 16000000, "width": 720, "height": 720, "hsync_pulse_width": 2, "hsync_front_porch": 46, "hsync_back_porch": 44, "vsync_pulse_width": 2, "vsync_front_porch": 16, "vsync_back_porch": 18, "hsync_idle_low": False, "vsync_idle_low": False, "de_idle_high": False, "pclk_active_high": False, "pclk_idle_high": False, } init_sequence_tl040hds20 = bytes() board.I2C().deinit() #i2c = busio.I2C(board.SCL, board.SDA) i2c = busio.I2C(board.SCL, board.SDA, frequency=100_000) tft_io_expander = dict(board.TFT_IO_EXPANDER) #tft_io_expander['i2c_address'] = 0x38 # uncomment for rev B dotclockframebuffer.ioexpander_send_init_sequence(i2c, init_sequence_tl040hds20, **tft_io_expander) i2c.deinit() bitmap = displayio.OnDiskBitmap("/display-ruler-720p.bmp") # Aha! Frame buffer setting causes JSON grab failures... Comment-out to allow JSON grab to work... fb = dotclockframebuffer.DotClockFramebuffer(**tft_pins, **tft_timings) display = FramebufferDisplay(fb, auto_refresh=False) print(f"Connecting to {os.getenv('CIRCUITPY_WIFI_SSID')}") wifi.radio.connect(os.getenv("CIRCUITPY_WIFI_SSID"), os.getenv("CIRCUITPY_WIFI_PASSWORD")) print(f"Connected to {os.getenv('CIRCUITPY_WIFI_SSID')}") print(f"My IP address: {wifi.radio.ipv4_address}") #pool = socketpool.SocketPool(wifi.radio) pool = adafruit_connection_manager.get_radio_socketpool(wifi.radio) requests = adafruit_requests.Session(pool) # Fetch weather data as JSON from Flask server on gamera... nap = 15 # sleep time between JSON grabs while True: # JSON grab json_dict = json_grab(WxURL) print('\nNow sleep for',nap,'seconds...\n') time.sleep(nap)