Delete main.py

main.py

-import time
-import grovepi
-from grove_rgb_lcd import *
-import requests
-import json
-
-# --- Pin Definitions ---
-pir_pin = 2
-button_pin = 3
-led_pin = 4
-servo_pin = 5
-ultrasonic_pin = 6
-light_sensor_pin = 0  # Analog A0
-
-# --- ThingsBoard Settings ---
-THINGSBOARD_URL = "http://thingsboard.cs.cf.ac.uk"
-ACCESS_TOKEN = "YOUR_DEVICE_TOKEN"
-
-# --- Initialization ---
-def initialize_sensors():
-    print("[INIT] Initializing sensors...")
-    grovepi.pinMode(pir_pin, "INPUT")
-    grovepi.pinMode(button_pin, "INPUT")
-    grovepi.pinMode(led_pin, "OUTPUT")
-    grovepi.pinMode(servo_pin, "OUTPUT")
-    grovepi.pinMode(ultrasonic_pin, "INPUT")
-    print("[INIT] Sensors initialized.")
-
-def update_lcd_display(message, r=0, g=255, b=0):
-    try:
-        print(f"[LCD] Displaying message: '{message}'")
-        setRGB(r, g, b)
-        setText(message)
-    except Exception as e:
-        print(f"[ERROR] LCD display failed: {e}")
-
-# --- Sensor Read Functions ---
-def read_motion():
-    try:
-        motion = grovepi.digitalRead(pir_pin)
-        print(f"[READ] PIR motion: {motion}")
-        return motion
-    except Exception as e:
-        print(f"[ERROR] Motion sensor read failed: {e}")
-        return 0
-
-def read_button():
-    try:
-        button = grovepi.digitalRead(button_pin)
-        print(f"[READ] Button state: {button}")
-        return button
-    except Exception as e:
-        print(f"[ERROR] Button read failed: {e}")
-        return 0
-
-def read_light_level():
-    try:
-        light = grovepi.analogRead(light_sensor_pin)
-        print(f"[READ] Light level: {light}")
-        return light
-    except Exception as e:
-        print(f"[ERROR] Light sensor read failed: {e}")
-        return -1
-
-def read_distance():
-    try:
-        distance = grovepi.ultrasonicRead(ultrasonic_pin)
-        print(f"[READ] Distance: {distance} cm")
-        return distance
-    except Exception as e:
-        print(f"[ERROR] Distance read failed: {e}")
-        return -1
-
-# --- Actuators ---
-def trigger_alert():
-    print("[ACTION] Triggering visual/audio alert...")
-    for _ in range(3):
-        grovepi.digitalWrite(led_pin, 1)
-        time.sleep(0.2)
-        grovepi.digitalWrite(led_pin, 0)
-        time.sleep(0.2)
-    print("[ACTION] Alert complete.")
-
-def trigger_vibration(duration=2):
-    print(f"[ACTION] Triggering vibration for {duration} seconds...")
-    grovepi.analogWrite(servo_pin, 255)
-    time.sleep(duration)
-    grovepi.analogWrite(servo_pin, 0)
-    print("[ACTION] Vibration complete.")
-
-# --- ThingsBoard Communication ---
-def send_to_thingsboard(data):
-    try:
-        print(f"[SEND] Sending data to ThingsBoard: {data}")
-        url = f"{THINGSBOARD_URL}/api/v1/{ACCESS_TOKEN}/telemetry"
-        headers = {'Content-Type': 'application/json'}
-        requests.post(url, data=json.dumps(data), headers=headers)
-        print("[SEND] Data sent successfully.")
-    except Exception as e:
-        print(f"[ERROR] Failed to send data to ThingsBoard: {e}")
-
-# --- Event Logger ---
-def log_event(event_type, details):
-    timestamp = time.strftime("%Y-%m-%d %H:%M:%S")
-    print(f"[LOG] [{timestamp}] {event_type}: {details}")
-
-# --- Main Loop ---
-def main_loop():
-    print("[SYSTEM] Smart Doorbell is running (DEBUG MODE)")
-    update_lcd_display("System Ready", 0, 255, 0)
-
-    while True:
-        motion = read_motion()
-        button = read_button()
-        light = read_light_level()
-        distance = read_distance()
-
-        if motion:
-            log_event("Motion Detected", "Movement sensed near door")
-            update_lcd_display("Motion Detected", 255, 165, 0)
-            trigger_alert()
-            trigger_vibration()
-            send_to_thingsboard({
-                "event": "motion",
-                "light_level": light,
-                "distance_cm": distance
-            })
-
-        if button:
-            log_event("Button Pressed", "Doorbell was pressed")
-            update_lcd_display("Visitor at Door", 0, 100, 255)
-            trigger_alert()
-            trigger_vibration()
-            send_to_thingsboard({
-                "event": "doorbell",
-                "light_level": light,
-                "distance_cm": distance
-            })
-
-        time.sleep(0.5)
-
-# --- Main Entry ---
-if __name__ == "__main__":
-    try:
-        initialize_sensors()
-        main_loop()
-    except KeyboardInterrupt:
-        print("[SYSTEM] Shutdown requested. Exiting...")
-        update_lcd_display("Shutting Down", 255, 0, 0)