343 lines
12 KiB
Python
343 lines
12 KiB
Python
'''
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____ _ ____ _
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/ ___| / \ | _ \ / \
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\___ \ / _ \ | |_) | / _ \
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___) / ___ \| _ < / ___ \
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|____/_/ \_\_| \_\/_/ \_\
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Script that starts at the boot of the RPI (with cron)
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@reboot sleep 30 && /usr/bin/python3 /var/www/nebuleair_pro_4g/SARA/reboot/start.py >> /var/www/nebuleair_pro_4g/logs/app.log 2>&1
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/usr/bin/python3 /var/www/nebuleair_pro_4g/SARA/reboot/start.py
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'''
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import serial
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import time
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import sys
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import json
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import re
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#get data from config
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def load_config(config_file):
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try:
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with open(config_file, 'r') as file:
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config_data = json.load(file)
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return config_data
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except Exception as e:
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print(f"Error loading config file: {e}")
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return {}
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#Fonction pour mettre à jour le JSON de configuration
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def update_json_key(file_path, key, value):
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"""
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Updates a specific key in a JSON file with a new value.
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:param file_path: Path to the JSON file.
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:param key: The key to update in the JSON file.
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:param value: The new value to assign to the key.
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"""
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try:
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# Load the existing data
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with open(file_path, "r") as file:
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data = json.load(file)
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# Check if the key exists in the JSON file
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if key in data:
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data[key] = value # Update the key with the new value
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else:
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print(f"Key '{key}' not found in the JSON file.")
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return
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# Write the updated data back to the file
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with open(file_path, "w") as file:
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json.dump(data, file, indent=2) # Use indent for pretty printing
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print(f"💾 updating '{key}' to '{value}'.")
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except Exception as e:
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print(f"Error updating the JSON file: {e}")
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# Define the config file path
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config_file = '/var/www/nebuleair_pro_4g/config.json'
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# Load the configuration data
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config = load_config(config_file)
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baudrate = config.get('SaraR4_baudrate', 115200) #baudrate du sara R4
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device_id = config.get('deviceID', '').upper() #device ID en maj
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sara_r5_DPD_setup = False
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ser_sara = serial.Serial(
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port='/dev/ttyAMA2',
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baudrate=baudrate, #115200 ou 9600
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parity=serial.PARITY_NONE, #PARITY_NONE, PARITY_EVEN or PARITY_ODD
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stopbits=serial.STOPBITS_ONE,
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bytesize=serial.EIGHTBITS,
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timeout = 2
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)
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def read_complete_response(serial_connection, timeout=2, end_of_response_timeout=2, wait_for_lines=None, debug=True):
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'''
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Fonction très importante !!!
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Reads the complete response from a serial connection and waits for specific lines.
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'''
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if wait_for_lines is None:
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wait_for_lines = [] # Default to an empty list if not provided
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response = bytearray()
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serial_connection.timeout = timeout
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end_time = time.time() + end_of_response_timeout
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start_time = time.time()
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while True:
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elapsed_time = time.time() - start_time # Time since function start
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if serial_connection.in_waiting > 0:
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data = serial_connection.read(serial_connection.in_waiting)
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response.extend(data)
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end_time = time.time() + end_of_response_timeout # Reset timeout on new data
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# Decode and check for any target line
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decoded_response = response.decode('utf-8', errors='replace')
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for target_line in wait_for_lines:
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if target_line in decoded_response:
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if debug:
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print(f"[DEBUG] 🔎 Found target line: {target_line} (in {elapsed_time:.2f}s)")
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return decoded_response # Return response immediately if a target line is found
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elif time.time() > end_time:
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if debug:
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print(f"[DEBUG] Timeout reached. No more data received.")
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break
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time.sleep(0.1) # Short sleep to prevent busy waiting
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# Final response and debug output
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total_elapsed_time = time.time() - start_time
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if debug:
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print(f"[DEBUG] ⏱️ elapsed time: {total_elapsed_time:.2f}s. ⏱️")
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# Check if the elapsed time exceeded 10 seconds
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if total_elapsed_time > 10 and debug:
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print(f"[ALERT] 🚨 The operation took too long 🚨")
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print(f'<span style="color: red;font-weight: bold;">[ALERT] ⚠️{total_elapsed_time:.2f}s⚠️</span>')
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return response.decode('utf-8', errors='replace') # Return the full response if no target line is found
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try:
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print('<h3>Start reboot python script</h3>')
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#check modem status
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#Attention:
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# SARA R4 response: Manufacturer: u-blox Model: SARA-R410M-02B
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# SArA R5 response: SARA-R500S-01B-00
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print("⚙️Check SARA Status")
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command = f'ATI\r'
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ser_sara.write(command.encode('utf-8'))
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response_SARA_ATI = read_complete_response(ser_sara, wait_for_lines=["IMEI"])
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print(response_SARA_ATI)
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# Check for SARA model with more robust regex
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model = "Unknown"
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if "SARA-R410M" in response_SARA_ATI:
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model = "SARA-R410M"
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print("📱 Detected SARA R4 modem")
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elif "SARA-R500" in response_SARA_ATI:
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model = "SARA-R500"
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print("📱 Detected SARA R5 modem")
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sara_r5_DPD_setup = True
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else:
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# Fallback to regex match if direct string match fails
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match = re.search(r"Model:\s*([A-Za-z0-9\-]+)", response_SARA_ATI)
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if match:
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model = match.group(1).strip()
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else:
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model = "Unknown"
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print("⚠️ Could not identify modem model")
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print(f"🔍 Model: {model}")
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update_json_key(config_file, "modem_version", model)
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time.sleep(1)
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'''
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AIRCARTO
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'''
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# 1. Set AIRCARTO URL (profile id = 0)
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print('➡️Set aircarto URL')
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aircarto_profile_id = 0
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aircarto_url="data.nebuleair.fr"
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command = f'AT+UHTTP={aircarto_profile_id},1,"{aircarto_url}"\r'
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ser_sara.write(command.encode('utf-8'))
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response_SARA_1 = read_complete_response(ser_sara, wait_for_lines=["OK"])
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print(response_SARA_1)
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time.sleep(1)
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'''
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uSpot
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'''
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print("➡️➡️Set uSpot URL with SSL")
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security_profile_id = 1
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uSpot_profile_id = 1
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uSpot_url="api-prod.uspot.probesys.net"
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#step 1: import the certificate
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print("➡️ import certificate")
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certificate_name = "e6"
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with open("/var/www/nebuleair_pro_4g/SARA/SSL/certificate/e6.pem", "rb") as cert_file:
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certificate = cert_file.read()
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size_of_string = len(certificate)
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# AT+USECMNG=0,<type>,<internal_name>,<data_size>
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# type-> 0 -> trusted root CA
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command = f'AT+USECMNG=0,0,"{certificate_name}",{size_of_string}\r'
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ser_sara.write((command + '\r').encode('utf-8'))
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response_SARA_1 = read_complete_response(ser_sara)
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print(response_SARA_1)
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time.sleep(0.5)
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print("➡️ add certificate")
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ser_sara.write(certificate)
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response_SARA_2 = read_complete_response(ser_sara)
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print(response_SARA_2)
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time.sleep(0.5)
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# op_code: 0 -> certificate validation level
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# param_val : 0 -> Level 0 No validation; 1-> Level 1 Root certificate validation
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print("➡️Set the security profile (params)")
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certification_level=0
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command = f'AT+USECPRF={security_profile_id},0,{certification_level}\r'
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ser_sara.write((command + '\r').encode('utf-8'))
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response_SARA_5b = read_complete_response(ser_sara, wait_for_lines=["OK"])
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print(response_SARA_5b)
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time.sleep(0.5)
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# op_code: 1 -> minimum SSL/TLS version
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# param_val : 0 -> any; server can use any version for the connection; 1-> LSv1.0; 2->TLSv1.1; 3->TLSv1.2;
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print("➡️Set the security profile (params)")
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minimum_SSL_version = 0
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command = f'AT+USECPRF={security_profile_id},1,{minimum_SSL_version}\r'
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ser_sara.write((command + '\r').encode('utf-8'))
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response_SARA_5bb = read_complete_response(ser_sara, wait_for_lines=["OK"])
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print(response_SARA_5bb)
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time.sleep(0.5)
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#op_code: 2 -> legacy cipher suite selection
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# 0 (factory-programmed value): a list of default cipher suites is proposed at the beginning of handshake process, and a cipher suite will be negotiated among the cipher suites proposed in the list.
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print("➡️Set cipher")
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cipher_suite = 0
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command = f'AT+USECPRF={security_profile_id},2,{cipher_suite}\r'
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ser_sara.write((command + '\r').encode('utf-8'))
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response_SARA_5cc = read_complete_response(ser_sara, wait_for_lines=["OK"])
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print(response_SARA_5cc)
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time.sleep(0.5)
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# op_code: 3 -> trusted root certificate internal name
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print("➡️Set the security profile (choose cert)")
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command = f'AT+USECPRF={security_profile_id},3,"{certificate_name}"\r'
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ser_sara.write((command + '\r').encode('utf-8'))
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response_SARA_5c = read_complete_response(ser_sara, wait_for_lines=["OK"])
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print(response_SARA_5c)
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time.sleep(0.5)
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# op_code: 10 -> SNI (server name indication)
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print("➡️Set the SNI")
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command = f'AT+USECPRF={security_profile_id},10,"{uSpot_url}"\r'
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ser_sara.write((command + '\r').encode('utf-8'))
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response_SARA_5cf = read_complete_response(ser_sara, wait_for_lines=["OK"])
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print(response_SARA_5cf)
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time.sleep(0.5)
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#step 4: set url (op_code = 1)
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print("➡️SET URL")
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command = f'AT+UHTTP={uSpot_profile_id},1,"{uSpot_url}"\r'
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ser_sara.write((command + '\r').encode('utf-8'))
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response_SARA_5 = read_complete_response(ser_sara, wait_for_lines=["OK"])
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print(response_SARA_5)
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time.sleep(1)
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#step 4: set PORT (op_code = 5)
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print("➡️SET PORT")
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port = 443
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command = f'AT+UHTTP={uSpot_profile_id},5,{port}\r'
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ser_sara.write((command + '\r').encode('utf-8'))
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response_SARA_55 = read_complete_response(ser_sara, wait_for_lines=["OK"])
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print(response_SARA_55)
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time.sleep(1)
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#step 4: set url to SSL (op_code = 6) (http_secure = 1 for HTTPS)(USECMNG_PROFILE = 2)
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print("➡️SET SSL")
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http_secure = 1
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command = f'AT+UHTTP={uSpot_profile_id},6,{http_secure},{security_profile_id}\r'
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ser_sara.write(command.encode('utf-8'))
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response_SARA_5fg = read_complete_response(ser_sara, wait_for_lines=["OK"])
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print(response_SARA_5fg)
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time.sleep(1)
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'''
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SARA R5
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'''
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if sara_r5_DPD_setup:
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print("➡️➡️SARA R5 PDP SETUP")
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# 2. Activate PDP context 1
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print('➡️Activate PDP context 1')
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command = f'AT+CGACT=1,1\r'
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ser_sara.write(command.encode('utf-8'))
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response_SARA_2 = read_complete_response(ser_sara, wait_for_lines=["OK"])
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print(response_SARA_2, end="")
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time.sleep(1)
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# 2. Set the PDP type
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print('➡️Set the PDP type to IPv4 referring to the outputof the +CGDCONT read command')
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command = f'AT+UPSD=0,0,0\r'
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ser_sara.write(command.encode('utf-8'))
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response_SARA_3 = read_complete_response(ser_sara, wait_for_lines=["OK"])
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print(response_SARA_3, end="")
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time.sleep(1)
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# 2. Profile #0 is mapped on CID=1.
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print('➡️Profile #0 is mapped on CID=1.')
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command = f'AT+UPSD=0,100,1\r'
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ser_sara.write(command.encode('utf-8'))
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response_SARA_3 = read_complete_response(ser_sara, wait_for_lines=["OK"])
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print(response_SARA_3, end="")
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time.sleep(1)
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# 2. Set the PDP type
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print('➡️Activate the PSD profile #0: the IPv4 address is already assigned by the network.')
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command = f'AT+UPSDA=0,3\r'
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ser_sara.write(command.encode('utf-8'))
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response_SARA_3 = read_complete_response(ser_sara, wait_for_lines=["OK","+UUPSDA"])
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print(response_SARA_3, end="")
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time.sleep(1)
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#3. Get localisation (CellLocate)
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mode = 2 #single shot position
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sensor = 2 #use cellular CellLocate® location information
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response_type = 0
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timeout_s = 2
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accuracy_m = 1
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command = f'AT+ULOC={mode},{sensor},{response_type},{timeout_s},{accuracy_m}\r'
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ser_sara.write((command + '\r').encode('utf-8'))
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response_SARA_3 = read_complete_response(ser_sara, wait_for_lines=["+UULOC"])
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print(response_SARA_3)
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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)
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if match:
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latitude = match.group(1)
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longitude = match.group(2)
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print(f"📍 Latitude: {latitude}, Longitude: {longitude}")
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else:
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print("❌ Failed to extract coordinates.")
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#update config.json
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update_json_key(config_file, "latitude_raw", float(latitude))
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update_json_key(config_file, "longitude_raw", float(longitude))
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time.sleep(1)
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except Exception as e:
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print("An error occurred:", e)
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traceback.print_exc() # This prints the full traceback |