refactor config logic

docs/dht22_sensor.md

@@ -62,28 +62,28 @@ import time
 
 # Initialize with custom parameters
 sensor = DHT22Sensor(
-    name="outdoor",
+  name="outdoor",
-    pin=5,
+  pin=5,
-    interval=30,  # Read every 30 seconds
+  interval=30,  # Read every 30 seconds
-    unit="F"      # Use Fahrenheit
+  temperature_unit="F"  # Use Fahrenheit
 )
 
 # Continuous reading
 try:
-    while True:
+  while True:
-        temp = sensor.read()
+    temp = sensor.read()
-        humidity = sensor.read_humidity()
+    humidity = sensor.read_humidity()
 
-        # Get metadata
+    # Get metadata
-        metadata = sensor.get_metadata()
+    metadata = sensor.get_metadata()
 
-        print(f"Sensor: {metadata['name']}")
+    print(f"Sensor: {metadata['name']}")
-        print(f"Temperature: {temp}°F ({sensor.to_celsius()}°C)")
+    print(f"Temperature: {temp}°F ({sensor.to_celsius()}°C)")
-        print(f"Humidity: {humidity}%")
+    print(f"Humidity: {humidity}%")
 
-        time.sleep(metadata['interval'])
+    time.sleep(metadata['interval'])
 except KeyboardInterrupt:
-    print("Monitoring stopped")
+  print("Monitoring stopped")
 ```
 
 ## API Reference

examples/button_triggered_display.py

@@ -7,21 +7,28 @@ This example demonstrates how to:
 3. Wake up and read sensor data when the button is pressed
 4. Display the data on an OLED screen
 """
+
 import time
 import sys
 import os
 
 # Add the src directory to the Python path
-sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
+sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))
 
 from src.esp_sensors.oled_display import OLEDDisplay
 from src.esp_sensors.dht22 import DHT22Sensor
-from src.esp_sensors.config import load_config, get_sensor_config, get_display_config, get_button_config
+from src.esp_sensors.config import (
+    load_config,
+    get_sensor_config,
+    get_display_config,
+    get_button_config,
+)
 
 # Import hardware-specific modules if available (for ESP32/ESP8266)
 try:
     from machine import Pin, deepsleep
     import esp32
+
     SIMULATION = False
 except ImportError:
     # Simulation mode for development on non-ESP hardware
@@ -31,10 +38,12 @@ except ImportError:
 
 def simulate_button_press():
     """Simulate a button press in simulation mode."""
-    print("\nPress Enter to simulate a button press (or 'q' to quit, Ctrl+C to exit)...")
+    print(
+        "\nPress Enter to simulate a button press (or 'q' to quit, Ctrl+C to exit)..."
+    )
     try:
         user_input = input()
-        if user_input.lower() == 'q':
+        if user_input.lower() == "q":
             return False
         return True
     except KeyboardInterrupt:
@@ -49,16 +58,14 @@ def main():
     config = load_config()
 
     # Initialize a DHT22 sensor using configuration
-    dht_sensor = DHT22Sensor(
+    dht_sensor = DHT22Sensor(sensor_config=config)  # Pass the loaded config
-        config=config  # Pass the loaded config
-    )
     print(f"Initialized DHT22 sensor: {dht_sensor.name}, pin: {dht_sensor.pin}")
 
     # Initialize an OLED display using configuration
-    display = OLEDDisplay(
+    display = OLEDDisplay(config=config)  # Pass the loaded config
-        config=config  # Pass the loaded config
+    print(
+        f"Initialized OLED display: {display.name}, size: {display.width}x{display.height}"
     )
-    print(f"Initialized OLED display: {display.name}, size: {display.width}x{display.height}")
 
     # Set up button using configuration
     button_config = get_button_config("main_button", config)
@@ -88,7 +95,9 @@ def main():
                     # Go to light sleep mode to save power
                     # Wake up on pin change (button press)
                     print("Entering light sleep mode...")
-                    esp32.wake_on_ext0(pin=button, level=0)  # Wake on button press (low)
+                    esp32.wake_on_ext0(
+                        pin=button, level=0
+                    )  # Wake on button press (low)
                     esp32.light_sleep()  # Light sleep preserves RAM but saves power
                     # When we get here, the button was pressed
 
@@ -105,13 +114,9 @@ def main():
             name_str = f"Sensor: {dht_sensor.name}"
 
             # Display values
-            display.display_values([
+            display.display_values(
-                name_str,
+                [name_str, temp_str, hum_str, time_str, "Press button again"]
-                temp_str,
+            )
-                hum_str,
-                time_str,
-                "Press button again"
-            ])
 
             # Print to console
             print(f"Updated display with: {temp_str}, {hum_str}")

examples/dht22_example.py

@@ -9,15 +9,16 @@ Usage:
     - Ensure config.json is properly set up with DHT22 sensor configuration
     - The script will read temperature and humidity at the specified interval
 """
+
 import time
 import sys
 import os
 
 # Add the src directory to the Python path if needed
-sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
+sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))
 
 # Check if running on MicroPython
-if sys.implementation.name == 'micropython':
+if sys.implementation.name == "micropython":
     from src.esp_sensors.dht22 import DHT22Sensor
     from src.esp_sensors.config import load_config, get_sensor_config
 
@@ -31,7 +32,7 @@ if sys.implementation.name == 'micropython':
         print(f"Sensor pin: {dht_config.get('pin')}")
 
         # Initialize the sensor using configuration
-        sensor = DHT22Sensor(config=config)
+        sensor = DHT22Sensor(sensor_config=config)
 
         print("Starting sensor readings. Press Ctrl+C to stop.")
 
@@ -79,7 +80,7 @@ else:
         print(f"Sensor pin: {dht_config.get('pin')}")
 
         # Initialize the sensor using configuration
-        sensor = DHT22Sensor(config=config)
+        sensor = DHT22Sensor(sensor_config=config)
 
         print("Starting simulated sensor readings. Press Ctrl+C to stop.")
 

examples/oled_display_example.py

@@ -2,12 +2,13 @@
 Example usage of the OLED display with temperature and humidity sensors.
 This example demonstrates how to use the configuration system to initialize sensors and displays.
 """
+
 import time
 import sys
 import os
 
 # Add the src directory to the Python path
-sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
+sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))
 
 from src.esp_sensors.oled_display import OLEDDisplay
 from src.esp_sensors.dht22 import DHT22Sensor
@@ -31,10 +32,12 @@ def main():
 
     # Initialize a DHT22 sensor with configuration
     dht_sensor = DHT22Sensor(
-        sensor_type="dht22",  # This will load config for this sensor type
+        # This will load config for this sensor type
-        config=config         # Pass the loaded config
+        sensor_config=config,  # Pass the loaded config
+    )
+    print(
+        f"Created DHT22 sensor: {dht_sensor.name}, pin: {dht_sensor.pin}, interval: {dht_sensor.interval}s"
     )
-    print(f"Created DHT22 sensor: {dht_sensor.name}, pin: {dht_sensor.pin}, interval: {dht_sensor.interval}s")
 
     # Method 2: Initialize with some parameters from config, others specified directly
     print("\nMethod 2: Override some config parameters")
@@ -44,11 +47,12 @@ def main():
         # These parameters will override the config values
         name="Custom Display",
         interval=1,  # Update every second
-
         # Other parameters will be loaded from config
-        config=config
+        config=config,
+    )
+    print(
+        f"Created OLED display: {display.name}, size: {display.width}x{display.height}, interval: {display.interval}s"
     )
-    print(f"Created OLED display: {display.name}, size: {display.width}x{display.height}, interval: {display.interval}s")
 
     # Display initialization message
     display.clear()
@@ -72,13 +76,9 @@ def main():
             name_str = f"Sensor: {dht_sensor.name}"
 
             # Display values
-            display.display_values([
+            display.display_values(
-                name_str,
+                [name_str, temp_str, hum_str, time_str, f"Demo ({i+1}/5)"]
-                temp_str,
+            )
-                hum_str,
-                time_str,
-                f"Demo ({i+1}/5)"
-            ])
 
             # Print to console in simulation mode
             print(f"Updated display with: {temp_str}, {hum_str}")

src/esp_sensors/config.py

@@ -5,6 +5,7 @@ This module provides functionality to load and save configuration settings
 from/to a file, making it easy to change parameters like pins, display resolution,
 sensor names, and intervals without modifying the code.
 """
+
 import json
 import os
 from typing import Dict, Any, Optional, Union, List
@@ -15,28 +16,12 @@ DEFAULT_CONFIG_PATH = "config.json"
 # Default configuration values
 DEFAULT_CONFIG = {
     "sensors": {
-        "temperature": {
-            "name": "Temperature Sensor",
-            "pin": 4,
-            "interval": 60,
-            "unit": "C"
-        },
-        "humidity": {
-            "name": "Humidity Sensor",
-            "pin": 4,
-            "interval": 60
-        },
         "dht22": {
             "name": "DHT22 Sensor",
             "pin": 4,
             "interval": 60,
-            "temperature": {
+            "temperature": {"name": "DHT22 Temperature", "unit": "C"},
-                "name": "DHT22 Temperature",
+            "humidity": {"name": "DHT22 Humidity"},
-                "unit": "C"
-            },
-            "humidity": {
-                "name": "DHT22 Humidity"
-            }
         }
     },
     "displays": {
@@ -47,15 +32,10 @@ DEFAULT_CONFIG = {
             "width": 128,
             "height": 64,
             "address": "0x3C",
-            "interval": 1
+            "interval": 1,
         }
     },
-    "buttons": {
+    "buttons": {"main_button": {"pin": 0, "pull_up": True}},
-        "main_button": {
-            "pin": 0,
-            "pull_up": True
-        }
-    }
 }
 
 
@@ -73,11 +53,13 @@ def load_config(config_path: str = DEFAULT_CONFIG_PATH) -> Dict[str, Any]:
     """
     try:
         if os.path.exists(config_path):
-            with open(config_path, 'r') as f:
+            with open(config_path, "r") as f:
                 config = json.load(f)
             return config
         else:
-            print(f"Configuration file {config_path} not found. Using default configuration.")
+            print(
+                f"Configuration file {config_path} not found. Using default configuration."
+            )
             return DEFAULT_CONFIG
     except Exception as e:
         print(f"Error loading configuration: {e}. Using default configuration.")
@@ -96,7 +78,7 @@ def save_config(config: Dict[str, Any], config_path: str = DEFAULT_CONFIG_PATH)
         True if the configuration was saved successfully, False otherwise
     """
     try:
-        with open(config_path, 'w') as f:
+        with open(config_path, "w") as f:
             json.dump(config, f, indent=4)
         return True
     except Exception as e:
@@ -104,7 +86,9 @@ def save_config(config: Dict[str, Any], config_path: str = DEFAULT_CONFIG_PATH)
         return False
 
 
-def get_sensor_config(sensor_type: str, config: Optional[Dict[str, Any]] = None) -> Dict[str, Any]:
+def get_sensor_config(
+    sensor_type: str, config: Optional[Dict[str, Any]] = None
+) -> Dict[str, Any]:
     """
     Get configuration for a specific sensor type.
 
@@ -126,7 +110,9 @@ def get_sensor_config(sensor_type: str, config: Optional[Dict[str, Any]] = None)
     return sensor_config
 
 
-def get_display_config(display_type: str, config: Optional[Dict[str, Any]] = None) -> Dict[str, Any]:
+def get_display_config(
+    display_type: str, config: Optional[Dict[str, Any]] = None
+) -> Dict[str, Any]:
     """
     Get configuration for a specific display type.
 
@@ -148,7 +134,9 @@ def get_display_config(display_type: str, config: Optional[Dict[str, Any]] = Non
     return display_config
 
 
-def get_button_config(button_name: str = "main_button", config: Optional[Dict[str, Any]] = None) -> Dict[str, Any]:
+def get_button_config(
+    button_name: str = "main_button", config: Optional[Dict[str, Any]] = None
+) -> Dict[str, Any]:
     """
     Get configuration for a specific button.
 
@@ -170,8 +158,6 @@ def get_button_config(button_name: str = "main_button", config: Optional[Dict[st
     return button_config
 
 
-
-
 def create_default_config(config_path: str = DEFAULT_CONFIG_PATH) -> bool:
     """
     Create a default configuration file.

src/esp_sensors/dht22.py

@@ -1,14 +1,18 @@
 """
 DHT22 temperature and humidity sensor module for ESP32.
 """
+
 import time
 from typing import Dict, Any, Optional
+
 try:
     import dht
     from machine import Pin
+
     SIMULATION = False
 except ImportError:
     import random
+
     SIMULATION = True
 
 from .temperature import TemperatureSensor
@@ -19,8 +23,14 @@ from .config import get_sensor_config
 class DHT22Sensor(TemperatureSensor, HumiditySensor):
     """DHT22 temperature and humidity sensor implementation."""
 
-    def __init__(self, name: str = None, pin: int = None, interval: int = None, 
+    def __init__(
-                 unit: str = None, sensor_type: str = "dht22", config: Dict[str, Any] = None):
+        self,
+        name: str = None,
+        pin: int = None,
+        interval: int = None,
+        temperature_unit: str = None,
+        sensor_config: Dict[str, Any] = None,
+    ):
         """
         Initialize a new DHT22 sensor.
 
@@ -28,38 +38,47 @@ class DHT22Sensor(TemperatureSensor, HumiditySensor):
             name: The name of the sensor (if None, loaded from config)
             pin: The GPIO pin number the sensor is connected to (if None, loaded from config)
             interval: Reading interval in seconds (if None, loaded from config)
-            unit: Temperature unit, either "C" or "F" (if None, loaded from config)
+            temperature_unit: Temperature unit, either "C" or "F" (if None, loaded from config)
-            sensor_type: Type of the sensor for loading config (default: 'dht22')
+            sensor_config: Sensor-Configuration dictionary (if provided, used instead of loading from file)
-            config: Configuration dictionary (if provided, used instead of loading from file)
         """
-        # Load configuration
+        if sensor_config is None:
-        sensor_config = get_sensor_config(sensor_type, config)
+            sensor_config = {}
 
-        # Get main parameters from config if not provided
+        self.apply_parameters(interval, name, pin, sensor_config)
-        self.name = name if name is not None else sensor_config.get('name', 'DHT22 Sensor')
-        self.pin = pin if pin is not None else sensor_config.get('pin', 0)
-        self.interval = interval if interval is not None else sensor_config.get('interval', 60)
 
-        # Get temperature configuration
+        # Get sensor configurations
-        temp_config = sensor_config.get('temperature', {})
+        temp_config = sensor_config.get("temperature", {})
-        temp_name = temp_config.get('name', self.name + ' Temperature')
+        humidity_config = sensor_config.get("humidity", {})
-        temp_unit = unit if unit is not None else temp_config.get('unit', 'C')
-
-        # Get humidity configuration
-        humidity_config = sensor_config.get('humidity', {})
-        humidity_name = humidity_config.get('name', self.name + ' Humidity')
 
         # Initialize both parent classes
-        TemperatureSensor.__init__(self, name=temp_name, pin=self.pin, interval=self.interval, unit=temp_unit)
+        TemperatureSensor.__init__(
-        HumiditySensor.__init__(self, name=humidity_name, pin=self.pin, interval=self.interval)
+            self,
+            pin=self.pin,
+            interval=self.interval,
+            sensor_config=temp_config,
+            unit=temperature_unit,
+        )
+        HumiditySensor.__init__(
+            self, sensor_config=humidity_config, pin=self.pin, interval=self.interval
+        )
 
-        # Store the original sensor name (it gets overwritten by HumiditySensor.__init__)
+        # Re-apply parameters to ensure they are not overridden by parent classes
-        self.name = name if name is not None else sensor_config.get('name', 'DHT22 Sensor')
+        self.apply_parameters(interval, name, pin, sensor_config)
 
         # Initialize the sensor if not in simulation mode
         if not SIMULATION:
             self._sensor = dht.DHT22(Pin(pin))
 
+    def apply_parameters(self, interval, name, pin, sensor_config):
+        # Get main parameters from config if not provided
+        self.name = (
+            name if name is not None else sensor_config.get("name", "DHT22 Sensor")
+        )
+        self.pin = pin if pin is not None else sensor_config.get("pin", 0)
+        self.interval = (
+            interval if interval is not None else sensor_config.get("interval", 60)
+        )
+
     def read_temperature(self) -> float:
         """
         Read the current temperature.

src/esp_sensors/humidity.py

@@ -1,6 +1,7 @@
 """
 Humidity sensor module for ESP-based sensors.
 """
+
 import random
 from typing import Dict, Any, Optional
 from .sensor import Sensor
@@ -10,8 +11,14 @@ from .config import get_sensor_config
 class HumiditySensor(Sensor):
     """Humidity sensor implementation."""
 
-    def __init__(self, name: str = None, pin: int = None, interval: int = None, 
+    def __init__(
-                 sensor_type: str = None, config: Dict[str, Any] = None, **kwargs):
+        self,
+        name: str = None,
+        pin: int = None,
+        interval: int = None,
+        sensor_config: Dict[str, Any] = None,
+        **kwargs,
+    ):
         """
         Initialize a new humidity sensor.
 
@@ -19,12 +26,13 @@ class HumiditySensor(Sensor):
             name: The name of the sensor (if None, loaded from config)
             pin: The GPIO pin number the sensor is connected to (if None, loaded from config)
             interval: Reading interval in seconds (if None, loaded from config)
-            sensor_type: Type of the sensor for loading config (e.g., 'humidity')
+            sensor_config: Sensor-Configuration dictionary (if provided, used instead of loading from file)
-            config: Configuration dictionary (if provided, used instead of loading from file)
             **kwargs: Additional keyword arguments to pass to the parent class
         """
+        if sensor_config is None:
+            sensor_config = {}
         # Initialize base class with sensor_type for configuration loading
-        super().__init__(name, pin, interval, sensor_type=sensor_type or "humidity", config=config)
+        super().__init__(name, pin, interval, sensor_config=sensor_config)
         self._last_humidity = None
 
     def read_humidity(self) -> float:

src/esp_sensors/oled_display.py

@@ -1,11 +1,14 @@
 """
 OLED display module for ESP32 using SSD1306 controller.
 """
+
 import time
 from typing import Dict, Any, Optional
+
 try:
     from machine import Pin, I2C
     import ssd1306
+
     SIMULATION = False
 except ImportError:
     SIMULATION = True
@@ -17,9 +20,17 @@ from .config import get_display_config
 class OLEDDisplay(Sensor):
     """SSD1306 OLED display implementation."""
 
-    def __init__(self, name: str = None, scl_pin: int = None, sda_pin: int = None, 
+    def __init__(
-                 width: int = None, height: int = None, address: str = None, 
+        self,
-                 interval: int = None, config: Dict[str, Any] = None):
+        name: str = None,
+        scl_pin: int = None,
+        sda_pin: int = None,
+        width: int = None,
+        height: int = None,
+        address: int | str = None,
+        interval: int = None,
+        display_config: Dict[str, Any] = None,
+    ):
         """
         Initialize a new OLED display.
 
@@ -31,21 +42,26 @@ class OLEDDisplay(Sensor):
             height: Display height in pixels (if None, loaded from config)
             address: I2C address of the display (if None, loaded from config)
             interval: Refresh interval in seconds (if None, loaded from config)
-            config: Configuration dictionary (if provided, used instead of loading from file)
+            display_config: Configuration dictionary
         """
-        # Load configuration if needed
+
-        display_config = get_display_config("oled", config)
+        if display_config is None:
+            display_config = {}
 
         # Get parameters from config if not provided
         name = name if name is not None else display_config.get("name", "OLED Display")
         sda_pin = sda_pin if sda_pin is not None else display_config.get("sda_pin", 21)
-        interval = interval if interval is not None else display_config.get("interval", 60)
+        interval = (
+            interval if interval is not None else display_config.get("interval", 60)
+        )
 
         # Initialize base class with the pin parameter
         super().__init__(name=name, pin=sda_pin, interval=interval)
 
         # Set display-specific parameters
-        self.scl_pin = scl_pin if scl_pin is not None else display_config.get("scl_pin", 22)
+        self.scl_pin = (
+            scl_pin if scl_pin is not None else display_config.get("scl_pin", 22)
+        )
         self.sda_pin = sda_pin  # Already set above
         self.width = width if width is not None else display_config.get("width", 128)
         self.height = height if height is not None else display_config.get("height", 64)

src/esp_sensors/sensor.py

@@ -1,6 +1,7 @@
 """
 Base sensor module for ESP-based sensors.
 """
+
 from typing import Dict, Any, Optional
 from .config import get_sensor_config
 
@@ -8,8 +9,13 @@ from .config import get_sensor_config
 class Sensor:
     """Base class for all sensors."""
 
-    def __init__(self, name: str = None, pin: int = None, interval: int = None, 
+    def __init__(
-                 sensor_type: str = None, config: Dict[str, Any] = None):
+        self,
+        name: str = None,
+        pin: int = None,
+        interval: int = None,
+        sensor_config: Dict[str, Any] = None,
+    ):
         """
         Initialize a new sensor.
 
@@ -17,22 +23,19 @@ class Sensor:
             name: The name of the sensor (if None, loaded from config)
             pin: The GPIO pin number the sensor is connected to (if None, loaded from config)
             interval: Reading interval in seconds (if None, loaded from config)
-            sensor_type: Type of the sensor for loading config (e.g., 'temperature')
+            sensor_config: Sensor-Configuration dictionary (if provided, used instead of loading from file)
-            config: Configuration dictionary (if provided, used instead of loading from file)
         """
-        # Load configuration if sensor_type is provided
-        if sensor_type:
-            sensor_config = get_sensor_config(sensor_type, config)
 
-            # Use provided values or fall back to config values
+        if sensor_config is None:
-            self.name = name if name is not None else sensor_config.get('name', 'Unnamed Sensor')
+            sensor_config = {}
-            self.pin = pin if pin is not None else sensor_config.get('pin', 0)
+
-            self.interval = interval if interval is not None else sensor_config.get('interval', 60)
+        self.name = (
-        else:
+            name if name is not None else sensor_config.get("name", "Unnamed Sensor")
-            # Use provided values or defaults
+        )
-            self.name = name if name is not None else 'Unnamed Sensor'
+        self.pin = pin if pin is not None else sensor_config.get("pin", 0)
-            self.pin = pin if pin is not None else 0
+        self.interval = (
-            self.interval = interval if interval is not None else 60
+            interval if interval is not None else sensor_config.get("interval", 60)
+        )
 
         self._last_reading: Optional[float] = None
 

src/esp_sensors/temperature.py

@@ -1,6 +1,7 @@
 """
 Temperature sensor module for ESP-based sensors.
 """
+
 import random
 from typing import Dict, Any, Optional
 from .sensor import Sensor
@@ -10,8 +11,14 @@ from .config import get_sensor_config
 class TemperatureSensor(Sensor):
     """Temperature sensor implementation."""
 
-    def __init__(self, name: str = None, pin: int = None, interval: int = None, 
+    def __init__(
-                 unit: str = None, config: Dict[str, Any] = None):
+        self,
+        name: str = None,
+        pin: int = None,
+        interval: int = None,
+        unit: str = None,
+        sensor_config: Dict[str, Any] = None,
+    ):
         """
         Initialize a new temperature sensor.
 
@@ -20,14 +27,15 @@ class TemperatureSensor(Sensor):
             pin: The GPIO pin number the sensor is connected to (if None, loaded from config)
             interval: Reading interval in seconds (if None, loaded from config)
             unit: Temperature unit, either "C" or "F" (if None, loaded from config)
-            config: Configuration dictionary (if provided, used instead of loading from file)
+            sensor_config: Sensor-Configuration dictionary (if provided, used instead of loading from file)
         """
+        if sensor_config is None:
+            sensor_config = {}
         # Initialize base class with sensor_type for configuration loading
-        super().__init__(name, pin, interval, sensor_type="temperature", config=config)
+        super().__init__(name, pin, interval, sensor_config=sensor_config)
 
         # Load configuration if not provided in parameters
         if unit is None:
-            sensor_config = get_sensor_config("temperature", config)
             unit = sensor_config.get("unit", "C")
 
         # Validate unit

src/main.py

@@ -7,17 +7,24 @@ This program:
 3. Wakes up and reads sensor data when the button is pressed
 4. Displays the data on an OLED screen
 """
+
 import time
 import sys
 
 from esp_sensors.oled_display import OLEDDisplay
 from esp_sensors.dht22 import DHT22Sensor
-from esp_sensors.config import load_config, get_button_config
+from esp_sensors.config import (
+    load_config,
+    get_button_config,
+    get_sensor_config,
+    get_display_config,
+)
 
 # Import hardware-specific modules if available (for ESP32/ESP8266)
 try:
     from machine import Pin, deepsleep
     import esp32
+
     SIMULATION = False
 except ImportError:
     # Simulation mode for development on non-ESP hardware
@@ -27,10 +34,12 @@ except ImportError:
 
 def simulate_button_press():
     """Simulate a button press in simulation mode."""
-    print("\nPress Enter to simulate a button press (or 'q' to quit, Ctrl+C to exit)...")
+    print(
+        "\nPress Enter to simulate a button press (or 'q' to quit, Ctrl+C to exit)..."
+    )
     try:
         user_input = input()
-        if user_input.lower() == 'q':
+        if user_input.lower() == "q":
             return False
         return True
     except KeyboardInterrupt:
@@ -47,12 +56,12 @@ def main():
 
     # Initialize a DHT22 sensor using configuration
     dht_sensor = DHT22Sensor(
-        config=config  # Pass the loaded config
+        sensor_config=get_sensor_config("dht22", config)  # Pass the loaded config
     )
 
     # Initialize an OLED display using configuration
     display = OLEDDisplay(
-        config=config  # Pass the loaded config
+        display_config=get_display_config("oled", config)  # Pass the loaded config
     )
 
     # Set up button using configuration
@@ -80,7 +89,9 @@ def main():
                     # Go to light sleep mode to save power
                     # Wake up on pin change (button press)
                     print("Entering light sleep mode...")
-                    esp32.wake_on_ext0(pin=button, level=0)  # Wake on button press (low)
+                    esp32.wake_on_ext0(
+                        pin=button, level=0
+                    )  # Wake on button press (low)
                     esp32.light_sleep()  # Light sleep preserves RAM but saves power
                     # When we get here, the button was pressed
 
@@ -97,13 +108,9 @@ def main():
             name_str = f"Sensor: {dht_sensor.name}"
 
             # Display values
-            display.display_values([
+            display.display_values(
-                name_str,
+                [name_str, temp_str, hum_str, time_str, "Press button again"]
-                temp_str,
+            )
-                hum_str,
-                time_str,
-                "Press button again"
-            ])
 
             # Print to console
             print(f"Updated display with: {temp_str}, {hum_str}")

tests/test_config.py

@@ -1,6 +1,7 @@
 """
 Tests for the configuration module.
 """
+
 import os
 import json
 import tempfile
@@ -11,7 +12,7 @@ from src.esp_sensors.config import (
     get_sensor_config,
     get_display_config,
     create_default_config,
-    DEFAULT_CONFIG
+    DEFAULT_CONFIG,
 )
 
 
@@ -36,11 +37,7 @@ def test_save_and_load_config():
         # Create a test configuration
         test_config = {
             "sensors": {
-                "test_sensor": {
+                "test_sensor": {"name": "Test Sensor", "pin": 10, "interval": 30}
-                    "name": "Test Sensor",
-                    "pin": 10,
-                    "interval": 30
-                }
             }
         }
 
@@ -67,13 +64,7 @@ def test_get_sensor_config():
     """Test getting sensor configuration."""
     # Create a test configuration
     test_config = {
-        "sensors": {
+        "sensors": {"test_sensor": {"name": "Test Sensor", "pin": 10, "interval": 30}}
-            "test_sensor": {
-                "name": "Test Sensor",
-                "pin": 10,
-                "interval": 30
-            }
-        }
     }
 
     # Get configuration for an existing sensor
@@ -92,11 +83,7 @@ def test_get_display_config():
     # Create a test configuration
     test_config = {
         "displays": {
-            "test_display": {
+            "test_display": {"name": "Test Display", "width": 64, "height": 32}
-                "name": "Test Display",
-                "width": 64,
-                "height": 32
-            }
         }
     }
 
@@ -129,7 +116,7 @@ def test_create_default_config():
         assert os.path.exists(temp_path)
 
         # Load the configuration and check it matches the default
-        with open(temp_path, 'r') as f:
+        with open(temp_path, "r") as f:
             config = json.load(f)
 
         assert config == DEFAULT_CONFIG

tests/test_dht22_sensor.py

@@ -1,6 +1,7 @@
 """
 Tests for the DHT22 sensor module.
 """
+
 import pytest
 from src.esp_sensors.dht22 import DHT22Sensor
 from src.esp_sensors.config import get_sensor_config
@@ -9,7 +10,7 @@ from src.esp_sensors.config import get_sensor_config
 def test_dht22_sensor_initialization():
     """Test that a DHT22 sensor can be initialized with valid parameters."""
     # Test direct parameter initialization
-    sensor = DHT22Sensor(name="test_sensor", pin=5, interval=30, unit="C")
+    sensor = DHT22Sensor(name="test_sensor", pin=5, interval=30, temperature_unit="C")
     assert sensor.name == "test_sensor"
     assert sensor.pin == 5
     assert sensor.interval == 30
@@ -18,23 +19,14 @@ def test_dht22_sensor_initialization():
 
     # Test initialization with custom config
     test_config = {
-        "sensors": {
+        "name": "config_sensor",
-            "dht22": {
+        "pin": 6,
-                "name": "config_sensor",
+        "interval": 40,
-                "pin": 6,
+        "temperature": {"name": "Config Temperature", "unit": "F"},
-                "interval": 40,
+        "humidity": {"name": "Config Humidity"},
-                "temperature": {
-                    "name": "Config Temperature",
-                    "unit": "F"
-                },
-                "humidity": {
-                    "name": "Config Humidity"
-                }
-            }
-        }
     }
 
-    config_sensor = DHT22Sensor(config=test_config)
+    config_sensor = DHT22Sensor(sensor_config=test_config)
     assert config_sensor.name == "config_sensor"
     assert config_sensor.pin == 6
     assert config_sensor.interval == 40
@@ -45,7 +37,7 @@ def test_dht22_sensor_initialization():
 def test_dht22_sensor_invalid_unit():
     """Test that initializing with an invalid unit raises a ValueError."""
     with pytest.raises(ValueError):
-        DHT22Sensor(name="test_sensor", pin=5, interval=30, unit="K")
+        DHT22Sensor(name="test_sensor", pin=5, interval=30, temperature_unit="K")
 
 
 def test_dht22_sensor_read_temperature():
@@ -68,7 +60,7 @@ def test_dht22_sensor_read_humidity():
 
 def test_dht22_sensor_fahrenheit():
     """Test that a sensor initialized with Fahrenheit returns appropriate values."""
-    sensor = DHT22Sensor(name="test_sensor", pin=5, unit="F")
+    sensor = DHT22Sensor(name="test_sensor", pin=5, temperature_unit="F")
     reading = sensor.read()
     assert isinstance(reading, float)
     # For Fahrenheit, the reading should be between 59.0 and 86.0
@@ -78,13 +70,13 @@ def test_dht22_sensor_fahrenheit():
 def test_dht22_temperature_conversion():
     """Test temperature conversion methods."""
     # Test Celsius to Fahrenheit
-    c_sensor = DHT22Sensor(name="celsius_sensor", pin=5, unit="C")
+    c_sensor = DHT22Sensor(name="celsius_sensor", pin=5, temperature_unit="C")
     c_sensor._last_reading = 20.0  # Manually set for testing
     f_value = c_sensor.to_fahrenheit()
     assert f_value == 68.0  # 20°C = 68°F
 
     # Test Fahrenheit to Celsius
-    f_sensor = DHT22Sensor(name="fahrenheit_sensor", pin=5, unit="F")
+    f_sensor = DHT22Sensor(name="fahrenheit_sensor", pin=5, temperature_unit="F")
     f_sensor._last_reading = 68.0  # Manually set for testing
     c_value = f_sensor.to_celsius()
     assert c_value == 20.0  # 68°F = 20°C
@@ -92,7 +84,7 @@ def test_dht22_temperature_conversion():
 
 def test_dht22_metadata():
     """Test that metadata includes the temperature unit, humidity, and type."""
-    sensor = DHT22Sensor(name="test_sensor", pin=5, unit="C")
+    sensor = DHT22Sensor(name="test_sensor", pin=5, temperature_unit="C")
     metadata = sensor.get_metadata()
     assert metadata["name"] == "test_sensor"
     assert metadata["pin"] == 5

tests/test_oled_display.py

@@ -1,6 +1,7 @@
 """
 Tests for the OLED display module.
 """
+
 import pytest
 from src.esp_sensors.oled_display import OLEDDisplay
 
@@ -15,7 +16,7 @@ def test_oled_display_initialization():
     assert display.width == 128
     assert display.height == 64
     assert display.address == 0x3C
-    assert display.interval == 1  # Default interval is now 1 in the configuration
+    assert display.interval == 60
     assert display._values == []
 
 
@@ -28,7 +29,7 @@ def test_oled_display_custom_parameters():
         width=64,
         height=32,
         address=0x3D,
-        interval=30
+        interval=30,
     )
     assert display.name == "custom_display"
     assert display.scl_pin == 22
@@ -57,7 +58,7 @@ def test_oled_display_metadata():
     assert metadata["width"] == 128
     assert metadata["height"] == 64
     assert metadata["address"] == 0x3C
-    assert metadata["interval"] == 1  # Default interval is now 1 in the configuration
+    assert metadata["interval"] == 60
     assert metadata["type"] == "SSD1306"
     assert metadata["values_count"] == 0
 

tests/test_temperature_sensor.py

@@ -1,6 +1,7 @@
 """
 Tests for the temperature sensor module.
 """
+
 import pytest
 from src.esp_sensors.temperature import TemperatureSensor