update

SARA/reboot/start.py

@@ -0,0 +1,163 @@
+'''
+  ____    _    ____      _    
+ / ___|  / \  |  _ \    / \   
+ \___ \ / _ \ | |_) |  / _ \  
+  ___) / ___ \|  _ <  / ___ \ 
+ |____/_/   \_\_| \_\/_/   \_\
+                              
+Script that starts at the boot of the RPI
+
+/usr/bin/python3 /var/www/nebuleair_pro_4g/SARA/reboot/start.py
+
+'''
+import serial
+import time
+import sys
+import json
+import re
+
+#get data from config
+def load_config(config_file):
+    try:
+        with open(config_file, 'r') as file:
+            config_data = json.load(file)
+        return config_data
+    except Exception as e:
+        print(f"Error loading config file: {e}")
+        return {}
+
+#Fonction pour mettre à jour le JSON de configuration
+def update_json_key(file_path, key, value):
+    """
+    Updates a specific key in a JSON file with a new value.
+
+    :param file_path: Path to the JSON file.
+    :param key: The key to update in the JSON file.
+    :param value: The new value to assign to the key.
+    """
+    try:
+        # Load the existing data
+        with open(file_path, "r") as file:
+            data = json.load(file)
+        
+        # Check if the key exists in the JSON file
+        if key in data:
+            data[key] = value  # Update the key with the new value
+        else:
+            print(f"Key '{key}' not found in the JSON file.")
+            return
+        
+        # Write the updated data back to the file
+        with open(file_path, "w") as file:
+            json.dump(data, file, indent=2)  # Use indent for pretty printing
+        
+        print(f"💾 updating '{key}' to '{value}'.")
+    except Exception as e:
+        print(f"Error updating the JSON file: {e}")
+
+# Define the config file path
+config_file = '/var/www/nebuleair_pro_4g/config.json'
+# Load the configuration data
+config = load_config(config_file)
+baudrate = config.get('SaraR4_baudrate', 115200)       #baudrate du sara R4
+device_id = config.get('deviceID', '').upper()         #device ID en maj
+
+ser_sara = serial.Serial(
+    port='/dev/ttyAMA2',
+    baudrate=baudrate, #115200 ou 9600
+    parity=serial.PARITY_NONE, #PARITY_NONE, PARITY_EVEN or PARITY_ODD
+    stopbits=serial.STOPBITS_ONE,
+    bytesize=serial.EIGHTBITS,
+    timeout = 2
+)
+
+def read_complete_response(serial_connection, timeout=2, end_of_response_timeout=2, wait_for_lines=None, debug=True):
+    '''
+    Fonction très importante !!!
+    Reads the complete response from a serial connection and waits for specific lines.
+    '''
+    if wait_for_lines is None:
+        wait_for_lines = []  # Default to an empty list if not provided
+
+    response = bytearray()
+    serial_connection.timeout = timeout
+    end_time = time.time() + end_of_response_timeout
+    start_time = time.time()
+
+    while True:
+        elapsed_time = time.time() - start_time  # Time since function start
+        if serial_connection.in_waiting > 0:
+            data = serial_connection.read(serial_connection.in_waiting)
+            response.extend(data)
+            end_time = time.time() + end_of_response_timeout  # Reset timeout on new data
+
+            # Decode and check for any target line
+            decoded_response = response.decode('utf-8', errors='replace')
+            for target_line in wait_for_lines:
+                if target_line in decoded_response:
+                    if debug:
+                        print(f"[DEBUG] 🔎 Found target line: {target_line} (in {elapsed_time:.2f}s)")
+                    return decoded_response  # Return response immediately if a target line is found
+        elif time.time() > end_time:
+            if debug:
+                print(f"[DEBUG] Timeout reached. No more data received.")
+            break
+        time.sleep(0.1)  # Short sleep to prevent busy waiting
+
+    # Final response and debug output
+    total_elapsed_time = time.time() - start_time
+    if debug:
+        print(f"[DEBUG] ⏱️ elapsed time: {total_elapsed_time:.2f}s. ⏱️")
+    # Check if the elapsed time exceeded 10 seconds
+    if total_elapsed_time > 10 and debug:
+        print(f"[ALERT] 🚨 The operation took too long 🚨")
+        print(f'<span style="color: red;font-weight: bold;">[ALERT] ⚠️{total_elapsed_time:.2f}s⚠️</span>')
+
+    return response.decode('utf-8', errors='replace')  # Return the full response if no target line is found
+
+try:
+    print('<h3>Start reboot python script</h3>')
+
+    # 1. Set AIRCARTO URL
+    print('Set aircarto URL')
+    aircarto_profile_id = 0
+    aircarto_url="data.nebuleair.fr"
+    command = f'AT+UHTTP={aircarto_profile_id},1,"{aircarto_url}"\r'
+    ser_sara.write(command.encode('utf-8'))
+    response_SARA_1 = read_complete_response(ser_sara, wait_for_lines=["OK"])
+    print(response_SARA_1)
+    time.sleep(1)
+
+    #2. Set uSpot URL (TODO)
+    uSpot_profile_id = 1
+    uSpot_url="api-prod.uspot.probesys.net"
+    time.sleep(1)
+
+    #3. Get localisation (CellLocate)
+    mode = 2
+    sensor = 2 
+    response_type = 0
+    timeout_s = 2
+    accuracy_m = 1
+    command = f'AT+ULOC={mode},{sensor},{response_type},{timeout_s},{accuracy_m}\r'
+    ser_sara.write((command + '\r').encode('utf-8'))
+    response_SARA_3 = read_complete_response(ser_sara, wait_for_lines=["+UULOC"])
+    print(response_SARA_3)
+
+    match = re.search(r"\+UULOC: \d{2}/\d{2}/\d{4},\d{2}:\d{2}:\d{2}\.\d{3},([-+]?\d+\.\d+),([-+]?\d+\.\d+)", response_SARA_3)
+    if match:
+        latitude = match.group(1)
+        longitude = match.group(2)
+        print(f"📍 Latitude: {latitude}, Longitude: {longitude}")
+    else:
+        print("❌ Failed to extract coordinates.")
+
+    #update config.json
+    update_json_key(config_file, "latitude_raw", float(latitude))
+    update_json_key(config_file, "longitude_raw", float(longitude))
+
+    time.sleep(1)
+
+except Exception as e:
+    print("An error occurred:", e)
+    traceback.print_exc()  # This prints the full traceback