Merge remote-tracking branch 'refs/remotes/origin/main'

GPIO/control.py

@@ -0,0 +1,40 @@
+'''
+   ____ ____ ___ ___  
+  / ___|  _ \_ _/ _ \ 
+ | |  _| |_) | | | | |
+ | |_| |  __/| | |_| |
+  \____|_|  |___\___/ 
+                      
+script to control GPIO output
+
+GPIO 16 -> SARA 5V
+GPIO 20 -> SARA PWR ON
+
+option 1:
+CLI tool like pinctrl
+pinctrl set 17 op
+pinctrl set 17 dh
+pinctrl set 17 dl
+
+option 2:
+python library RPI.GPIO
+
+
+/usr/bin/python3 /var/www/nebuleair_pro_4g/GPIO/control.py
+'''
+
+import RPi.GPIO as GPIO
+import time
+
+selected_GPIO = 16 
+
+GPIO.setmode(GPIO.BCM)  # Use BCM numbering
+GPIO.setup(selected_GPIO, GPIO.OUT)  # Set GPIO17 as an output
+
+while True:
+    GPIO.output(selected_GPIO, GPIO.HIGH)  # Turn ON
+    time.sleep(1)  # Wait 1 sec
+    GPIO.output(selected_GPIO, GPIO.LOW)   # Turn OFF
+    time.sleep(1)  # Wait 1 sec
+
+

MPPT/read.py

@@ -0,0 +1,225 @@
+'''
+  __  __ ____  ____ _____ 
+ |  \/  |  _ \|  _ \_   _|
+ | |\/| | |_) | |_) || |  
+ | |  | |  __/|  __/ | |  
+ |_|  |_|_|   |_|    |_|  
+                        
+Chargeur solaire Victron MPPT interface UART
+
+MPPT connections
+5V / Rx / TX / GND
+RPI connection
+-- / GPIO9 / GPIO8 / GND
+* pas besoin de connecter le 5V (le GND uniquement)
+
+typical response from uart:
+
+PID     0xA075          ->product ID
+FW      164             ->firmware version
+SER#    HQ2249VJV9W     ->serial num
+
+V       13310           ->Battery voilatage in mV
+I       -130            ->Battery current in mA (negative means its discharging)
+VPV     10              ->Solar Panel voltage
+PPV     0               ->Solar Panel power (in W)
+CS      0               ->Charger status: 
+                                0=off (no charging), 
+                                2=Bulk (Max current is being delivered to the battery), 
+                                3=Absorbtion (battery is nearly full,voltage is held constant.), 
+                                4=Float (Battery is fully charged, only maintaining charge)
+MPPT    0               ->MPPT (Maximum Power Point Tracking) state: 0 = Off, 1 = Active, 2 = Not tracking
+OR      0x00000001
+ERR     0
+LOAD    ON
+IL      100
+H19     18              ->historical data (Total energy absorbed in kWh)
+H20     0               -> Total energy discharged in kWh
+H21     0
+H22     9
+H23     92
+HSDS    19
+Checksum        u
+
+sudo /usr/bin/python3 /var/www/nebuleair_pro_4g/MPPT/read.py
+
+'''
+import serial
+import time
+import sqlite3
+
+# Connect to the SQLite database
+conn = sqlite3.connect("/var/www/nebuleair_pro_4g/sqlite/sensors.db")
+cursor = conn.cursor()
+
+
+def read_vedirect(port='/dev/ttyAMA4', baudrate=19200, timeout=20, max_attempts=3):
+    """
+    Read and parse data from Victron MPPT controller with retry logic
+    Returns parsed data as a dictionary or None if all attempts fail
+    """
+    required_keys = ['V', 'I', 'VPV', 'PPV', 'CS']  # Essential keys we need
+    
+    for attempt in range(max_attempts):
+        try:
+            print(f"Attempt {attempt+1} of {max_attempts}...")
+            ser = serial.Serial(port, baudrate, timeout=1)
+            
+            # Initialize data dictionary and tracking variables
+            data = {}
+            start_time = time.time()
+            
+            while time.time() - start_time < timeout:
+                line = ser.readline().decode('utf-8', errors='ignore').strip()
+                
+                if not line:
+                    continue
+                    
+                # Check if line contains a key-value pair
+                if '\t' in line:
+                    key, value = line.split('\t', 1)
+                    data[key] = value
+                    print(f"{key}: {value}")
+                else:
+                    print(f"Info: {line}")
+                
+                # Check if we have a complete data block
+                if 'Checksum' in data:
+                    # Check if we have all required keys
+                    missing_keys = [key for key in required_keys if key not in data]
+                    if not missing_keys:
+                        ser.close()
+                        return data
+                    else:
+                        print(f"Incomplete data, missing: {', '.join(missing_keys)}")
+                        # Clear data and continue reading
+                        data = {}
+            
+            # Timeout occurred
+            print(f"Timeout on attempt {attempt+1}: Could not get complete data")
+            ser.close()
+            
+            # Add small delay between attempts
+            if attempt < max_attempts - 1:
+                print("Waiting before next attempt...")
+                time.sleep(2)
+                
+        except Exception as e:
+            print(f"Error on attempt {attempt+1}: {e}")
+            try:
+                ser.close()
+            except:
+                pass
+    
+    print("All attempts failed")
+    return None
+
+def parse_values(data):
+    """Convert string values to appropriate types"""
+    if not data:
+        return None
+        
+    parsed = {}
+    
+    # Define conversions for each key
+    conversions = {
+        'PID': str,
+        'FW': int,
+        'SER#': str,
+        'V': lambda x: float(x)/1000,  # Convert mV to V
+        'I': lambda x: float(x)/1000,  # Convert mA to A
+        'VPV': lambda x: float(x)/1000 if x != '---' else 0,  # Convert mV to V
+        'PPV': int,
+        'CS': int,
+        'MPPT': int,
+        'OR': str,
+        'ERR': int,
+        'LOAD': str,
+        'IL': int,
+        'H19': int,  # Total energy absorbed in kWh
+        'H20': int,  # Total energy discharged in kWh
+        'H21': int,
+        'H22': int,
+        'H23': int,
+        'HSDS': int
+    }
+    
+    # Convert values according to their type
+    for key, value in data.items():
+        if key in conversions:
+            try:
+                parsed[key] = conversions[key](value)
+            except (ValueError, TypeError):
+                parsed[key] = value  # Keep as string if conversion fails
+        else:
+            parsed[key] = value
+    
+    return parsed
+
+def get_charger_status(cs_value):
+    """Convert CS numeric value to human-readable status"""
+    status_map = {
+        0: "Off",
+        1: "Low power mode",
+        2: "Fault",
+        3: "Bulk",
+        4: "Absorption",
+        5: "Float",
+        6: "Storage",
+        7: "Equalize",
+        9: "Inverting",
+        11: "Power supply",
+        245: "Starting-up",
+        247: "Repeated absorption",
+        252: "External control"
+    }
+    return status_map.get(cs_value, f"Unknown ({cs_value})")
+
+if __name__ == "__main__":
+    # Read data (with retry logic)
+    raw_data = read_vedirect()
+    
+    if raw_data:
+        # Parse data
+        parsed_data = parse_values(raw_data)
+        
+        if parsed_data:
+            # Check if we have valid battery voltage
+            if parsed_data.get('V', 0) > 0:
+                print("\n===== MPPT Summary =====")
+                print(f"Battery: {parsed_data.get('V', 0):.2f}V, {parsed_data.get('I', 0):.2f}A")
+                print(f"Solar: {parsed_data.get('VPV', 0):.2f}V, {parsed_data.get('PPV', 0)}W")
+                print(f"Charger status: {get_charger_status(parsed_data.get('CS', 0))}")
+
+                # Save to SQLite
+                cursor.execute("SELECT * FROM timestamp_table LIMIT 1")
+                row = cursor.fetchone()
+                rtc_time_str = row[1]
+
+                # Extract values
+                battery_voltage = parsed_data.get('V', 0)
+                battery_current = parsed_data.get('I', 0)
+                solar_voltage = parsed_data.get('VPV', 0)
+                solar_power = parsed_data.get('PPV', 0)
+                charger_status = parsed_data.get('CS', 0)
+
+                try:
+                    cursor.execute('''
+                        INSERT INTO data_MPPT (timestamp, battery_voltage, battery_current, solar_voltage, solar_power, charger_status) 
+                        VALUES (?, ?, ?, ?, ?, ?)''', 
+                        (rtc_time_str, battery_voltage, battery_current, solar_voltage, solar_power, charger_status))
+
+                    conn.commit()
+                    print("MPPT data saved successfully!")
+
+                except Exception as e:
+                    print(f"Database error: {e}")
+            else:
+                print("Invalid data: Battery voltage is zero or missing")
+        else:
+            print("Failed to parse data")
+    else:
+        print("No valid data received from MPPT controller")
+    
+    # Always close the connection
+    conn.close()

README.md

@@ -29,7 +29,7 @@ Line by line installation.
 ```
 sudo apt update
 sudo apt install git gh apache2 php php-sqlite3 python3 python3-pip jq autossh i2c-tools python3-smbus -y
-sudo pip3 install pyserial requests RPi.GPIO adafruit-circuitpython-bme280 crcmod psutil ntplib pytz --break-system-packages
+sudo pip3 install pyserial requests RPi.GPIO adafruit-circuitpython-bme280 crcmod psutil ntplib pytz gpiozero adafruit-circuitpython-ads1x15 numpy --break-system-packages
 sudo mkdir -p /var/www/.ssh
 sudo ssh-keygen -t rsa -b 4096 -f /var/www/.ssh/id_rsa -N ""
 sudo ssh-copy-id -i /var/www/.ssh/id_rsa.pub -p 50221 airlab_server1@aircarto.fr

RTC/set_with_NTP.py

@@ -1,11 +1,15 @@
+#!/usr/bin/python3
 """
-Script to set the RTC using an NTP server.
+  ____ _____ ____ 
+ |  _ \_   _/ ___|
+ | |_) || || |    
+ |  _ < | || |___ 
+ |_| \_\|_| \____|
+
+Script to set the RTC using an NTP server (script used by web UI)
 RPI needs to be connected to the internet (WIFI).
 Requires ntplib and pytz:
 sudo pip3 install ntplib pytz --break-system-packages
-
-/usr/bin/python3 /var/www/nebuleair_pro_4g/RTC/set_with_NTP.py
-
 """
 import smbus2
 import time
@@ -49,49 +53,131 @@ def set_time(bus, year, month, day, hour, minute, second):
     ])
 
 def read_time(bus):
-    """Read the RTC time."""
-    data = bus.read_i2c_block_data(DS3231_ADDR, REG_TIME, 7)
-    second = bcd_to_dec(data[0] & 0x7F)
-    minute = bcd_to_dec(data[1])
-    hour = bcd_to_dec(data[2] & 0x3F)
-    day = bcd_to_dec(data[4])
-    month = bcd_to_dec(data[5])
-    year = bcd_to_dec(data[6]) + 2000
-    return (year, month, day, hour, minute, second)
+    """Read the RTC time and validate the values."""
+    try:
+        data = bus.read_i2c_block_data(DS3231_ADDR, REG_TIME, 7)
+        
+        # Convert from BCD
+        second = bcd_to_dec(data[0] & 0x7F)
+        minute = bcd_to_dec(data[1])
+        hour = bcd_to_dec(data[2] & 0x3F)
+        day = bcd_to_dec(data[4])
+        month = bcd_to_dec(data[5])
+        year = bcd_to_dec(data[6]) + 2000
+        
+        # Print raw values for debugging
+        print(f"Raw RTC values: {data}")
+        print(f"Decoded values: Y:{year} M:{month} D:{day} H:{hour} M:{minute} S:{second}")
+        
+        # Validate date values
+        if not (1 <= month <= 12):
+            print(f"Invalid month value: {month}, using default")
+            month = 1
+            
+        # Check days in month (simplified)
+        days_in_month = [0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
+        if not (1 <= day <= days_in_month[month]):
+            print(f"Invalid day value: {day} for month {month}, using default")
+            day = 1
+            
+        # Validate time values
+        if not (0 <= hour <= 23):
+            print(f"Invalid hour value: {hour}, using default")
+            hour = 0
+            
+        if not (0 <= minute <= 59):
+            print(f"Invalid minute value: {minute}, using default")
+            minute = 0
+            
+        if not (0 <= second <= 59):
+            print(f"Invalid second value: {second}, using default")
+            second = 0
+            
+        return (year, month, day, hour, minute, second)
+        
+    except Exception as e:
+        print(f"Error reading RTC: {e}")
+        # Return a safe default date (2023-01-01 00:00:00)
+        return (2023, 1, 1, 0, 0, 0)
 
 def get_internet_time():
     """Get the current time from an NTP server."""
     ntp_client = ntplib.NTPClient()
-    response = ntp_client.request('pool.ntp.org')
-    utc_time = datetime.utcfromtimestamp(response.tx_time)
-    return utc_time
+    # Try multiple NTP servers in case one fails
+    servers = ['pool.ntp.org', 'time.google.com', 'time.windows.com', 'time.apple.com']
+    
+    for server in servers:
+        try:
+            print(f"Trying NTP server: {server}")
+            response = ntp_client.request(server, timeout=2)
+            utc_time = datetime.utcfromtimestamp(response.tx_time)
+            print(f"Successfully got time from {server}")
+            return utc_time
+        except Exception as e:
+            print(f"Failed to get time from {server}: {e}")
+    
+    # If all servers fail, raise exception
+    raise Exception("All NTP servers failed")
 
 def main():
-    bus = smbus2.SMBus(1)
-
-    # Get the current time from the RTC
-    year, month, day, hours, minutes, seconds = read_time(bus)
-    rtc_time = datetime(year, month, day, hours, minutes, seconds)
-
-    # Get current UTC time from an NTP server
     try:
-        internet_utc_time = get_internet_time()
-        print(f"Time from Internet (UTC)     : {internet_utc_time.strftime('%Y-%m-%d %H:%M:%S')}")
+        bus = smbus2.SMBus(1)
+        
+        # Test if RTC is accessible
+        try:
+            bus.read_byte(DS3231_ADDR)
+            print("RTC module is accessible")
+        except Exception as e:
+            print(f"Error accessing RTC module: {e}")
+            print("Please check connections and I2C configuration")
+            return
+
+        # Get the current time from the RTC
+        try:
+            year, month, day, hours, minutes, seconds = read_time(bus)
+            # Create datetime object with validation to handle invalid dates
+            rtc_time = datetime(year, month, day, hours, minutes, seconds)
+            print(f"Actual RTC Time              : {rtc_time.strftime('%Y-%m-%d %H:%M:%S')}")
+        except ValueError as e:
+            print(f"Invalid date/time read from RTC: {e}")
+            print("Will proceed with setting RTC from internet time")
+            rtc_time = None
+
+        # Get current UTC time from an NTP server
+        try:
+            internet_utc_time = get_internet_time()
+            print(f"Time from Internet (UTC)     : {internet_utc_time.strftime('%Y-%m-%d %H:%M:%S')}")
+        except Exception as e:
+            print(f"Error retrieving time from the internet: {e}")
+            if rtc_time is None:
+                print("Cannot proceed without either valid RTC time or internet time")
+                return
+            print("Will keep current RTC time")
+            return
+
+        # Set the RTC to UTC time
+        print("Setting RTC to internet time...")
+        set_time(bus, internet_utc_time.year, internet_utc_time.month, internet_utc_time.day, 
+                internet_utc_time.hour, internet_utc_time.minute, internet_utc_time.second)
+
+        # Read and print the new time from RTC
+        print("Reading back new RTC time...")
+        year, month, day, hour, minute, second = read_time(bus)
+        rtc_time_new = datetime(year, month, day, hour, minute, second)
+        print(f"New RTC Time (UTC)           : {rtc_time_new.strftime('%Y-%m-%d %H:%M:%S')}")
+        
+        # Calculate difference to verify accuracy
+        time_diff = abs((rtc_time_new - internet_utc_time).total_seconds())
+        print(f"Time difference             : {time_diff:.2f} seconds")
+        
+        if time_diff > 5:
+            print("Warning: RTC time differs significantly from internet time")
+            print("You may need to retry or check RTC module")
+        else:
+            print("RTC successfully synchronized with internet time")
+            
     except Exception as e:
-        print(f"Error retrieving time from the internet: {e}")
-        return
-
-    # Print current RTC time
-    print(f"Actual RTC Time              : {rtc_time.strftime('%Y-%m-%d %H:%M:%S')}")
-
-    # Set the RTC to UTC time
-    set_time(bus, internet_utc_time.year, internet_utc_time.month, internet_utc_time.day, 
-             internet_utc_time.hour, internet_utc_time.minute, internet_utc_time.second)
-
-    # Read and print the new time from RTC
-    year, month, day, hour, minute, second = read_time(bus)
-    rtc_time_new = datetime(year, month, day, hour, minute, second)
-    print(f"New RTC Time (UTC)           : {rtc_time_new.strftime('%Y-%m-%d %H:%M:%S')}")
+        print(f"Unexpected error: {e}")
 
 if __name__ == "__main__":
-    main()
+    main()

RTC/set_with_browserTime.py

@@ -1,5 +1,11 @@
 """
-Script to set the RTC using the browser time.
+  ____ _____ ____ 
+ |  _ \_   _/ ___|
+ | |_) || || |    
+ |  _ < | || |___ 
+ |_| \_\|_| \____|
+
+Script to set the RTC using the browser time (script used by the web UI).
 
 /usr/bin/python3 /var/www/nebuleair_pro_4g/RTC/set_with_browserTime.py '2024-01-30 12:48:39'
 

SARA/R5/setPDP.py

@@ -0,0 +1,166 @@
+'''
+  ____    _    ____      _    
+ / ___|  / \  |  _ \    / \   
+ \___ \ / _ \ | |_) |  / _ \  
+  ___) / ___ \|  _ <  / ___ \ 
+ |____/_/   \_\_| \_\/_/   \_\
+                              
+Script to set the PDP context for the SARA R5
+
+
+/usr/bin/python3 /var/www/nebuleair_pro_4g/SARA/R5/setPDP.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('Start script')
+
+    # 1. Check connection
+    print('➡️Check SARA R5 connexion')
+    command = f'ATI0\r'
+    ser_sara.write(command.encode('utf-8'))
+    response_SARA_1 = read_complete_response(ser_sara, wait_for_lines=["OK"])
+    print(response_SARA_1, end="")
+    time.sleep(1)
+
+    # 2. Activate PDP context 1
+    print('➡️Activate PDP context 1')
+    command = f'AT+CGACT=1,1\r'
+    ser_sara.write(command.encode('utf-8'))
+    response_SARA_2 = read_complete_response(ser_sara, wait_for_lines=["OK"])
+    print(response_SARA_2, end="")
+    time.sleep(1)
+
+    # 2. Set the PDP type
+    print('➡️Set the PDP type to IPv4 referring to the outputof the +CGDCONT read command')
+    command = f'AT+UPSD=0,0,0\r'
+    ser_sara.write(command.encode('utf-8'))
+    response_SARA_3 = read_complete_response(ser_sara, wait_for_lines=["OK"])
+    print(response_SARA_3, end="")
+    time.sleep(1)
+
+    # 2. Profile #0 is mapped on CID=1.
+    print('➡️Profile #0 is mapped on CID=1.')
+    command = f'AT+UPSD=0,100,1\r'
+    ser_sara.write(command.encode('utf-8'))
+    response_SARA_3 = read_complete_response(ser_sara, wait_for_lines=["OK"])
+    print(response_SARA_3, end="")
+    time.sleep(1)
+
+    # 2. Set the PDP type
+    print('➡️Activate the PSD profile #0: the IPv4 address is already assigned by the network.')
+    command = f'AT+UPSDA=0,3\r'
+    ser_sara.write(command.encode('utf-8'))
+    response_SARA_3 = read_complete_response(ser_sara, wait_for_lines=["OK","+UUPSDA"])
+    print(response_SARA_3, end="")
+    time.sleep(1)
+
+   
+
+except Exception as e:
+    print("An error occurred:", e)
+    traceback.print_exc()  # This prints the full traceback

SARA/cellLocate/server_conf.py

@@ -0,0 +1,103 @@
+'''
+  ____    _    ____      _    
+ / ___|  / \  |  _ \    / \   
+ \___ \ / _ \ | |_) |  / _ \  
+  ___) / ___ \|  _ <  / ___ \ 
+ |____/_/   \_\_| \_\/_/   \_\
+                              
+Script to Configures the network connection to a Multi GNSS Assistance (MGA) server used also per CellLocate
+
+/usr/bin/python3 /var/www/nebuleair_pro_4g/SARA/cellLocate/server_conf.py ttyAMA2 1
+
+AT+UGSRV="cell-live1.services.u-blox.com","cell-live2.services.u-blox.com","XkEKfGqVSbmNE1eZfBZm4Q"
+
+
+'''
+
+import serial
+import time
+import sys
+import json
+
+parameter = sys.argv[1:]  # Exclude the script name
+port='/dev/'+parameter[0] # ex: ttyAMA2
+timeout = float(parameter[1])  # ex:2
+
+
+#get baudrate
+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 {}
+
+# Define the config file path
+config_file = '/var/www/nebuleair_pro_4g/config.json'
+# Load the configuration data
+config = load_config(config_file)
+# Access the shared variables
+baudrate = config.get('SaraR4_baudrate', 115200)
+
+ser = serial.Serial(
+    port=port,  #USB0 or ttyS0
+    baudrate=baudrate, #115200 ou 9600
+    parity=serial.PARITY_NONE, #PARITY_NONE, PARITY_EVEN or PARITY_ODD
+    stopbits=serial.STOPBITS_ONE,
+    bytesize=serial.EIGHTBITS,
+    timeout = timeout
+)
+
+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
+
+
+#command = f'ATI\r'
+command = f'AT+UGSRV="cell-live1.services.u-blox.com","cell-live2.services.u-blox.com","XkEKfGqVSbmNE1eZfBZm4Q"\r'
+ser.write((command + '\r').encode('utf-8'))
+
+response = read_complete_response(ser, wait_for_lines=["+UULOC"])
+print(response)

SARA/reboot/start.py

@@ -64,6 +64,8 @@ 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
 
+sara_r5_DPD_setup = False
+
 ser_sara = serial.Serial(
     port='/dev/ttyAMA2',
     baudrate=baudrate, #115200 ou 9600
@@ -121,19 +123,41 @@ try:
     print('<h3>Start reboot python script</h3>')
 
     #check modem status
+    #Attention:
+        # SARA R4 response: Manufacturer: u-blox Model: SARA-R410M-02B
+        # SArA R5 response: SARA-R500S-01B-00
     print("⚙️Check SARA Status")
     command = f'ATI\r'
     ser_sara.write(command.encode('utf-8'))
     response_SARA_ATI = read_complete_response(ser_sara, wait_for_lines=["IMEI"])
     print(response_SARA_ATI)
-    match = re.search(r"Model:\s*(.+)", response_SARA_ATI)
-    model = match.group(1).strip() if match else "Unknown"  # Strip unwanted characters
-    print(f" Model: {model}")
+
+    # Check for SARA model with more robust regex
+    model = "Unknown"
+    if "SARA-R410M" in response_SARA_ATI:
+        model = "SARA-R410M"
+        print("📱 Detected SARA R4 modem")
+    elif "SARA-R500" in response_SARA_ATI:
+        model = "SARA-R500"
+        print("📱 Detected SARA R5 modem")
+        sara_r5_DPD_setup = True
+    else:
+        # Fallback to regex match if direct string match fails
+        match = re.search(r"Model:\s*([A-Za-z0-9\-]+)", response_SARA_ATI)
+        if match:
+            model = match.group(1).strip()
+        else:
+            model = "Unknown"
+            print("⚠️ Could not identify modem model")
+
+    print(f"🔍 Model: {model}")
     update_json_key(config_file, "modem_version", model)
     time.sleep(1)
     
-
-    # 1. Set AIRCARTO URL
+    '''
+    AIRCARTO
+    '''
+    # 1. Set AIRCARTO URL (profile id = 0)
     print('➡️Set aircarto URL')
     aircarto_profile_id = 0
     aircarto_url="data.nebuleair.fr"
@@ -143,26 +167,155 @@ try:
     print(response_SARA_1)
     time.sleep(1)
 
-    #2. Set uSpot URL
-    print('➡️Set uSpot URL')
+    '''
+    uSpot
+    '''
+    print("➡️➡️Set uSpot URL with SSL")
+
+    security_profile_id = 1
     uSpot_profile_id = 1
     uSpot_url="api-prod.uspot.probesys.net"
-    command = f'AT+UHTTP={uSpot_profile_id},1,"{uSpot_url}"\r'
-    ser_sara.write(command.encode('utf-8'))
-    response_SARA_2 = read_complete_response(ser_sara, wait_for_lines=["OK"])
+
+
+    #step 1: import the certificate
+    print("➡️ import certificate")
+    certificate_name = "e6"
+    with open("/var/www/nebuleair_pro_4g/SARA/SSL/certificate/e6.pem", "rb") as cert_file:
+        certificate = cert_file.read()
+    size_of_string = len(certificate)
+
+    # AT+USECMNG=0,<type>,<internal_name>,<data_size>
+    # type-> 0 -> trusted root CA
+    command = f'AT+USECMNG=0,0,"{certificate_name}",{size_of_string}\r'
+    ser_sara.write((command + '\r').encode('utf-8'))
+    response_SARA_1 = read_complete_response(ser_sara)
+    print(response_SARA_1)
+
+    time.sleep(0.5)
+  
+    print("➡️ add certificate")
+    ser_sara.write(certificate)
+    response_SARA_2 = read_complete_response(ser_sara)
     print(response_SARA_2)
+
+    time.sleep(0.5)
+
+    # op_code:  0 -> certificate validation level 
+        # param_val : 0 -> Level 0 No validation; 1-> Level 1 Root certificate validation
+    print("➡️Set the security profile (params)")
+    certification_level=0
+    command = f'AT+USECPRF={security_profile_id},0,{certification_level}\r'
+    ser_sara.write((command + '\r').encode('utf-8'))
+    response_SARA_5b = read_complete_response(ser_sara,  wait_for_lines=["OK"])
+    print(response_SARA_5b)
+    time.sleep(0.5)
+
+    # op_code:  1 -> minimum SSL/TLS version
+        # param_val : 0 -> any; server can use any version for the connection; 1-> LSv1.0; 2->TLSv1.1; 3->TLSv1.2;
+    print("➡️Set the security profile (params)")
+    minimum_SSL_version = 0
+    command = f'AT+USECPRF={security_profile_id},1,{minimum_SSL_version}\r'
+    ser_sara.write((command + '\r').encode('utf-8'))
+    response_SARA_5bb = read_complete_response(ser_sara,  wait_for_lines=["OK"])
+    print(response_SARA_5bb)
+    time.sleep(0.5)
+
+    #op_code: 2 ->  legacy cipher suite selection
+        # 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.
+    print("➡️Set cipher")
+    cipher_suite = 0
+    command = f'AT+USECPRF={security_profile_id},2,{cipher_suite}\r'
+    ser_sara.write((command + '\r').encode('utf-8'))
+    response_SARA_5cc = read_complete_response(ser_sara,  wait_for_lines=["OK"])
+    print(response_SARA_5cc)
+    time.sleep(0.5)
+
+        # op_code:  3 -> trusted root certificate internal name
+    print("➡️Set the security profile (choose cert)")
+    command = f'AT+USECPRF={security_profile_id},3,"{certificate_name}"\r'
+    ser_sara.write((command + '\r').encode('utf-8'))
+    response_SARA_5c = read_complete_response(ser_sara,  wait_for_lines=["OK"])
+    print(response_SARA_5c)
+    time.sleep(0.5)
+
+     # op_code:  10 -> SNI (server name indication)
+    print("➡️Set the SNI")
+    command = f'AT+USECPRF={security_profile_id},10,"{uSpot_url}"\r'
+    ser_sara.write((command + '\r').encode('utf-8'))
+    response_SARA_5cf = read_complete_response(ser_sara,  wait_for_lines=["OK"])
+    print(response_SARA_5cf)
+    time.sleep(0.5)
+
+        #step 4: set url (op_code = 1)
+    print("➡️SET URL")
+    command = f'AT+UHTTP={uSpot_profile_id},1,"{uSpot_url}"\r'
+    ser_sara.write((command + '\r').encode('utf-8'))
+    response_SARA_5 = read_complete_response(ser_sara,  wait_for_lines=["OK"])
+    print(response_SARA_5)
     time.sleep(1)
 
-    print("set port 81")
-    command = f'AT+UHTTP={uSpot_profile_id},5,81\r'
+    #step 4: set PORT (op_code = 5)
+    print("➡️SET PORT")
+    port = 443
+    command = f'AT+UHTTP={uSpot_profile_id},5,{port}\r'
     ser_sara.write((command + '\r').encode('utf-8'))
     response_SARA_55 = read_complete_response(ser_sara, wait_for_lines=["OK"])
     print(response_SARA_55)
     time.sleep(1)
+    
+    #step 4: set url to SSL (op_code = 6) (http_secure = 1 for HTTPS)(USECMNG_PROFILE = 2)
+    print("➡️SET SSL")
+    http_secure = 1
+    command = f'AT+UHTTP={uSpot_profile_id},6,{http_secure},{security_profile_id}\r'
+
+    ser_sara.write(command.encode('utf-8'))
+    response_SARA_5fg = read_complete_response(ser_sara, wait_for_lines=["OK"])
+    print(response_SARA_5fg)
+    time.sleep(1)
+
+
+    '''
+    SARA R5
+    '''
+
+    if sara_r5_DPD_setup:
+        print("➡️➡️SARA R5 PDP SETUP")
+        # 2. Activate PDP context 1
+        print('➡️Activate PDP context 1')
+        command = f'AT+CGACT=1,1\r'
+        ser_sara.write(command.encode('utf-8'))
+        response_SARA_2 = read_complete_response(ser_sara, wait_for_lines=["OK"])
+        print(response_SARA_2, end="")
+        time.sleep(1)
+
+        # 2. Set the PDP type
+        print('➡️Set the PDP type to IPv4 referring to the outputof the +CGDCONT read command')
+        command = f'AT+UPSD=0,0,0\r'
+        ser_sara.write(command.encode('utf-8'))
+        response_SARA_3 = read_complete_response(ser_sara, wait_for_lines=["OK"])
+        print(response_SARA_3, end="")
+        time.sleep(1)
+
+        # 2. Profile #0 is mapped on CID=1.
+        print('➡️Profile #0 is mapped on CID=1.')
+        command = f'AT+UPSD=0,100,1\r'
+        ser_sara.write(command.encode('utf-8'))
+        response_SARA_3 = read_complete_response(ser_sara, wait_for_lines=["OK"])
+        print(response_SARA_3, end="")
+        time.sleep(1)
+
+        # 2. Set the PDP type
+        print('➡️Activate the PSD profile #0: the IPv4 address is already assigned by the network.')
+        command = f'AT+UPSDA=0,3\r'
+        ser_sara.write(command.encode('utf-8'))
+        response_SARA_3 = read_complete_response(ser_sara, wait_for_lines=["OK","+UUPSDA"])
+        print(response_SARA_3, end="")
+        time.sleep(1)
+
 
     #3. Get localisation (CellLocate)
-    mode = 2
-    sensor = 2 
+    mode = 2    #single shot position
+    sensor = 2  #use cellular CellLocate® location information
     response_type = 0
     timeout_s = 2
     accuracy_m = 1

SARA/sara.py

@@ -6,7 +6,9 @@
  |____/_/   \_\_| \_\/_/   \_\
                               
 Script to see if the SARA-R410 is running
-ex: 
+ex:
+python3 /var/www/nebuleair_pro_4g/SARA/sara.py ttyAMA2 ATI 2
+ex 1 (get SIM infos)
 python3 /var/www/nebuleair_pro_4g/SARA/sara.py ttyAMA2 AT+CCID? 2
 ex 2 (turn on blue light):
 python3 /var/www/nebuleair_pro_4g/SARA/sara.py ttyAMA2 AT+UGPIOC=16,2 2
@@ -14,6 +16,8 @@ ex 3 (reconnect network)
 python3 /var/www/nebuleair_pro_4g/SARA/sara.py ttyAMA2 AT+COPS=1,2,20801 20
 ex 4 (get HTTP Profiles)
 python3 /var/www/nebuleair_pro_4g/SARA/sara.py ttyAMA2 AT+UHTTP? 2
+ex 5 (get IP addr)
+python3 /var/www/nebuleair_pro_4g/SARA/sara.py ttyAMA2 AT+CGPADDR=1 2
 
 '''
 
@@ -45,51 +49,62 @@ config = load_config(config_file)
 # Access the shared variables
 baudrate = config.get('SaraR4_baudrate', 115200)
 
-ser = serial.Serial(
-    port=port,  #USB0 or ttyS0
-    baudrate=baudrate, #115200 ou 9600
-    parity=serial.PARITY_NONE, #PARITY_NONE, PARITY_EVEN or PARITY_ODD
-    stopbits=serial.STOPBITS_ONE,
-    bytesize=serial.EIGHTBITS,
-    timeout = timeout
-)
-
-ser.write((command + '\r').encode('utf-8'))
-
-#ser.write(b'ATI\r')            #General Information
-#ser.write(b'AT+CCID?\r')       #SIM card number
-#ser.write(b'AT+CPIN?\r')       #Check the status of the SIM card
-#ser.write(b'AT+CIND?\r')       #Indication state (last number is SIM detection: 0 no SIM detection, 1 SIM detected, 2 not available)
-#ser.write(b'AT+UGPIOR=?\r')   #Reads the current value of the specified GPIO pin
-#ser.write(b'AT+UGPIOC?\r')     #GPIO select configuration
-#ser.write(b'AT+COPS=?\r')     #Check the network and cellular technology the modem is currently using
-#ser.write(b'AT+COPS=1,2,20801') #connext to orange
-#ser.write(b'AT+CFUN=?\r')     #Selects/read the level of functionality 
-#ser.write(b'AT+URAT=?\r')     #Radio Access Technology 
-#ser.write(b'AT+USIMSTAT?')
-#ser.write(b'AT+IPR=115200')           #Check/Define baud rate
-#ser.write(b'AT+CMUX=?')
-
-
 
 try:
+
+    ser = serial.Serial(
+        port=port,  #USB0 or ttyS0
+        baudrate=baudrate, #115200 ou 9600
+        parity=serial.PARITY_NONE, #PARITY_NONE, PARITY_EVEN or PARITY_ODD
+        stopbits=serial.STOPBITS_ONE,
+        bytesize=serial.EIGHTBITS,
+        timeout = timeout
+    )
+
+    ser.write((command + '\r').encode('utf-8'))
+
+    #ser.write(b'ATI\r')            #General Information
+    #ser.write(b'AT+CCID?\r')       #SIM card number
+    #ser.write(b'AT+CPIN?\r')       #Check the status of the SIM card
+    #ser.write(b'AT+CIND?\r')       #Indication state (last number is SIM detection: 0 no SIM detection, 1 SIM detected, 2 not available)
+    #ser.write(b'AT+UGPIOR=?\r')   #Reads the current value of the specified GPIO pin
+    #ser.write(b'AT+UGPIOC?\r')     #GPIO select configuration
+    #ser.write(b'AT+COPS=?\r')     #Check the network and cellular technology the modem is currently using
+    #ser.write(b'AT+COPS=1,2,20801') #connext to orange
+    #ser.write(b'AT+CFUN=?\r')     #Selects/read the level of functionality 
+    #ser.write(b'AT+URAT=?\r')     #Radio Access Technology 
+    #ser.write(b'AT+USIMSTAT?')
+    #ser.write(b'AT+IPR=115200')           #Check/Define baud rate
+    #ser.write(b'AT+CMUX=?')
+
+
     # Read lines until a timeout occurs
     response_lines = []
-    while True:
-        line = ser.readline().decode('utf-8').strip()
-        if not line:
-            break  # Break the loop if an empty line is encountered
-        response_lines.append(line)
+    start_time = time.time()
+
+    while (time.time() - start_time) < timeout:
+        line = ser.readline().decode('utf-8', errors='ignore').strip()
+        if line:
+            response_lines.append(line)
+
+    # Check if we received any data
+    if not response_lines:
+        print(f"ERROR: No response received from {port} after sending command: {command}")
+        sys.exit(1)
 
     # Print the response
     for line in response_lines:
         print(line)
 
 except serial.SerialException as e:
-    print(f"Error: {e}")
-
+    print(f"ERROR: Serial communication error: {e}")
+    sys.exit(1)
+except Exception as e:
+    print(f"ERROR: Unexpected error: {e}")
+    sys.exit(1)
 finally:
-    if ser.is_open:
+    # Close the serial port if it's open
+    if 'ser' in locals() and ser.is_open:
         ser.close()
-        #print("Serial closed")
+
 

SARA/sara_checkDNS.py

@@ -0,0 +1,79 @@
+'''
+  ____    _    ____      _    
+ / ___|  / \  |  _ \    / \   
+ \___ \ / _ \ | |_) |  / _ \  
+  ___) / ___ \|  _ <  / ___ \ 
+ |____/_/   \_\_| \_\/_/   \_\
+                              
+Script to resolve DNS (get IP from domain name) with AT+UDNSRN command
+Ex:
+/usr/bin/python3 /var/www/nebuleair_pro_4g/SARA/sara_checkDNS.py ttyAMA2 data.nebuleair.fr
+To do: need to add profile id as parameter
+
+'''
+
+import serial
+import time
+import sys
+import json
+
+parameter = sys.argv[1:]  # Exclude the script name
+#print("Parameters received:")
+port='/dev/'+parameter[0] # ex: ttyAMA2
+url = parameter[1]  # ex: data.mobileair.fr
+
+
+#get baudrate
+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 {}
+
+# Define the config file path
+config_file = '/var/www/nebuleair_pro_4g/config.json'
+# Load the configuration data
+config = load_config(config_file)
+# Access the shared variables
+baudrate = config.get('SaraR4_baudrate', 115200)
+
+ser = serial.Serial(
+    port=port,  #USB0 or ttyS0
+    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
+)
+
+command = f'AT+UDNSRN=0,"{url}"\r'
+ser.write((command + '\r').encode('utf-8'))
+
+print("****")
+print("DNS check")
+
+try:
+    # Read lines until a timeout occurs
+    response_lines = []
+    while True:
+        line = ser.readline().decode('utf-8').strip()
+        if not line:
+            break  # Break the loop if an empty line is encountered
+        response_lines.append(line)
+
+    # Print the response
+    for line in response_lines:
+        print(line)
+
+except serial.SerialException as e:
+    print(f"Error: {e}")
+
+finally:
+    if ser.is_open:
+        ser.close()
+        print("****")
+        #print("Serial closed")
+

SARA/sara_ping.py

@@ -89,6 +89,24 @@ def read_complete_response(serial_connection, timeout=2, end_of_response_timeout
     return response.decode('utf-8', errors='replace')  # Return the full response if no target line is found
 
 
+def extract_error_code(response):
+    """
+    Extract just the error code from AT+UHTTPER response
+    """
+    for line in response.split('\n'):
+        if '+UHTTPER' in line:
+            try:
+                # Split the line and get the third value (error code)
+                parts = line.split(':')[1].strip().split(',')
+                if len(parts) >= 3:
+                    error_code = int(parts[2])
+                    return error_code
+            except:
+                pass
+    
+    # Return None if we couldn't find the error code
+    return None
+
 try:
     #3. Send to endpoint (with device ID)
     print("Send data (GET REQUEST):")
@@ -111,7 +129,36 @@ try:
             parts = http_response.split(',')
              # 2.1 code 0 (HTTP failed) ⛔⛔⛔
             if len(parts) == 3 and parts[-1] == '0':  # The third value indicates success
-                print("⛔ATTENTION: HTTP operation failed")
+                print("⛔⛔ATTENTION: HTTP operation failed")
+                #get error code
+                print("Getting error code (11->Server connection error, 73->Secure socket connect error)")
+                command = f'AT+UHTTPER={aircarto_profile_id}\r'
+                ser_sara.write(command.encode('utf-8'))    
+                response_SARA_9 = read_complete_response(ser_sara, wait_for_lines=["OK"], debug=False)
+                print('<p class="text-danger-emphasis">')
+                print(response_SARA_9)
+                print("</p>", end="")
+                # Extract just the error code
+                error_code = extract_error_code(response_SARA_9)
+                if error_code is not None:
+                    # Display interpretation based on error code
+                    if error_code == 0:
+                        print('<p class="text-success">No error detected</p>')
+                    elif error_code == 4:
+                        print('<p class="text-danger">Error 4: Invalid server Hostname</p>')
+                    elif error_code == 11:
+                        print('<p class="text-danger">Error 11: Server connection error</p>')
+                    elif error_code == 22:
+                        print('<p class="text-danger">Error 22: PSD or CSD connection not established</p>')
+                    elif error_code == 73:
+                        print('<p class="text-danger">Error 73: Secure socket connect error</p>')
+                    else:
+                        print(f'<p class="text-danger">Unknown error code: {error_code}</p>')
+                else:
+                    print('<p class="text-danger">Could not extract error code from response</p>')
+                    
+
+
             # 2.2 code 1 (HHTP succeded)
             else:
                 # Si la commande HTTP a réussi 

SARA/sara_setAPN.py

@@ -49,6 +49,8 @@ ser = serial.Serial(
 )
 
 command = f'AT+CGDCONT=1,"IP","{apn_address}"\r'
+#command = f'AT+CGDCONT=1,"IPV4V6","{apn_address}"\r'
+#command = f'AT+CGDCONT=1,"IP","{apn_address}",0,0\r'
 ser.write((command + '\r').encode('utf-8'))
 
 

SARA/sara_setURL.py

@@ -8,7 +8,6 @@
 Script to set the URL for a HTTP request
 Ex:
 /usr/bin/python3 /var/www/nebuleair_pro_4g/SARA/sara_setURL.py ttyAMA2 data.nebuleair.fr 0
-To do: need to add profile id as parameter
 
 First profile id:
     AT+UHTTP=0,1,"data.nebuleair.fr"

boot_hotspot.sh

@@ -12,6 +12,8 @@ echo "-------------------"
 
 echo "NebuleAir pro started at $(date)"
 
+chmod -R 777 /var/www/nebuleair_pro_4g/
+
 # Blink GPIO 23 and 24 five times
 for i in {1..5}; do
     # Turn GPIO 23 and 24 ON

config.json.dist

@@ -5,8 +5,11 @@
   "RTC/save_to_db.py": true,
   "BME280/get_data_v2.py": true,
   "envea/read_value_v2.py": false,
+  "MPPT/read.py": false,
+  "windMeter/read.py": false,
   "sqlite/flush_old_data.py": true,
   "deviceID": "XXXX",
+  "npm_5channel": false,
   "latitude_raw": 0,
   "longitude_raw":0,
   "latitude_precision": 0,
@@ -25,7 +28,7 @@
   "SARA_R4_general_status": "connected",
   "SARA_R4_SIM_status": "connected",
   "SARA_R4_network_status": "connected",
-  "SARA_R4_neworkID": 0,
+  "SARA_R4_neworkID": 20810,
   "WIFI_status": "connected",
   "MQTT_GUI": false,
   "send_aircarto": true,

cron_jobs

@@ -5,3 +5,6 @@
 @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
 
 0 0 * * * > /var/www/nebuleair_pro_4g/logs/master.log
+0 0 * * * > /var/www/nebuleair_pro_4g/logs/master_errors.log
+0 0 * * * > /var/www/nebuleair_pro_4g/logs/app.log
+

installation_part2.sh

@@ -27,6 +27,10 @@ fi
 info "Set up the RTC"
 /usr/bin/python3 /var/www/nebuleair_pro_4g/RTC/set_with_NTP.py
 
+#Check SARA R4 connection
+info "Check SARA R4 connection"
+/usr/bin/python3 /var/www/nebuleair_pro_4g/SARA/sara.py ttyAMA2 ATI 2
+
 #set up SARA R4 APN
 info "Set up Monogoto APN"
 /usr/bin/python3 /var/www/nebuleair_pro_4g/SARA/sara_setAPN.py ttyAMA2 data.mono 2
@@ -39,7 +43,11 @@ info "Activate blue LED"
 info "Connect SARA R4 to network"
 python3 /var/www/nebuleair_pro_4g/SARA/sara_connectNetwork.py ttyAMA2 20810 60
 
-#Add master_nebuleair.service
+#Need to create the two service
+# 1. master_nebuleair
+# 2. rtc_save_to_db
+
+#1. Add master_nebuleair.service
 SERVICE_FILE="/etc/systemd/system/master_nebuleair.service"
 info "Setting up systemd service for master_nebuleair..."
 
@@ -73,4 +81,42 @@ sudo systemctl enable master_nebuleair.service
 
 # Start the service immediately
 info "Starting the service..."
-sudo systemctl start master_nebuleair.service
+sudo systemctl start master_nebuleair.service
+
+
+#2. Add rtc_save_to_db.service
+SERVICE_FILE_2="/etc/systemd/system/rtc_save_to_db.service"
+info "Setting up systemd service for rtc_save_to_db..."
+
+# Create the systemd service file (overwrite if necessary)
+sudo bash -c "cat > $SERVICE_FILE_2" <<EOF
+[Unit]
+Description=RTC Save to DB Script
+After=network.target
+
+[Service]
+ExecStart=/usr/bin/python3 /var/www/nebuleair_pro_4g/RTC/save_to_db.py
+Restart=always
+RestartSec=1
+User=root
+WorkingDirectory=/var/www/nebuleair_pro_4g
+StandardOutput=append:/var/www/nebuleair_pro_4g/logs/rtc_save_to_db.log
+StandardError=append:/var/www/nebuleair_pro_4g/logs/rtc_save_to_db_errors.log
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+success "Systemd service file created: $SERVICE_FILE_2"
+
+# Reload systemd to recognize the new service
+info "Reloading systemd daemon..."
+sudo systemctl daemon-reload
+
+# Enable the service to start on boot
+info "Enabling the service to start on boot..."
+sudo systemctl enable rtc_save_to_db.service
+
+# Start the service immediately
+info "Starting the service..."
+sudo systemctl start rtc_save_to_db.service

loop/SARA_send_data_v2.py

@@ -49,6 +49,11 @@ CSV PAYLOAD (AirCarto Servers)
     17  -> PM 5.0μm to 10μm quantity (Nb/L)
     18  -> NPM temp inside
     19  -> NPM hum inside
+    20  -> battery_voltage
+    21  -> battery_current
+    22  -> solar_voltage
+    23  -> solar_power
+    24  -> charger_status
 
 JSON PAYLOAD (Micro-Spot Servers)
     Same as NebuleAir wifi
@@ -94,6 +99,7 @@ import time
 import busio
 import re
 import os
+import requests
 import traceback
 import threading
 import sys
@@ -115,7 +121,7 @@ if uptime_seconds < 120:
     sys.exit()
 
 #Payload CSV to be sent to data.nebuleair.fr
-payload_csv = [None] * 25
+payload_csv = [None] * 30
 #Payload JSON to be sent to uSpot
 payload_json = {
     "nebuleairid": "XXX",
@@ -205,16 +211,18 @@ config_file = '/var/www/nebuleair_pro_4g/config.json'
 config = load_config(config_file)
 device_latitude_raw = config.get('latitude_raw', 0)
 device_longitude_raw = config.get('longitude_raw', 0)
-
 baudrate = config.get('SaraR4_baudrate', 115200)                    #baudrate du sara R4
 device_id = config.get('deviceID', '').upper()                      #device ID en maj
 bme_280_config = config.get('BME280/get_data_v2.py', False)         #présence du BME280
 envea_cairsens= config.get('envea/read_value_v2.py', False)
+mppt_charger= config.get('MPPT/read.py', False)
+wind_meter= config.get('windMeter/read.py', False)
 send_aircarto = config.get('send_aircarto', True)                   #envoi sur AirCarto (data.nebuleair.fr)
 send_uSpot = config.get('send_uSpot', False)                        #envoi sur MicroSpot ()
+reset_uSpot_url = False
 selected_networkID = int(config.get('SARA_R4_neworkID', 0))
 npm_5channel = config.get('NextPM_5channels', False)                #5 canaux du NPM
-
+modem_version=config.get('modem_version', "") 
 modem_config_mode = config.get('modem_config_mode', False)            #modem 4G en mode configuration
 
 #update device id in the payload json
@@ -278,6 +286,139 @@ def read_complete_response(serial_connection, timeout=2, end_of_response_timeout
 
     return response.decode('utf-8', errors='replace')  # Return the full response if no target line is found
 
+def extract_error_code(response):
+    """
+    Extract just the error code from AT+UHTTPER response
+    """
+    for line in response.split('\n'):
+        if '+UHTTPER' in line:
+            try:
+                # Split the line and get the third value (error code)
+                parts = line.split(':')[1].strip().split(',')
+                if len(parts) >= 3:
+                    error_code = int(parts[2])
+                    return error_code
+            except:
+                pass
+    
+    # Return None if we couldn't find the error code
+    return None
+
+def modem_complete_reboot_and_reinitialize(modem_version, aircarto_profile_id):
+    """
+    Performs a complete modem restart sequence:
+    1. Reboots the modem using the appropriate command for its version
+    2. Waits for the modem to restart
+    3. Resets the HTTP profile
+    4. For SARA-R5, resets the PDP connection
+    
+    Args:
+        modem_version (str): The modem version, e.g., 'SARA-R500' or 'SARA-R410'
+        aircarto_profile_id (int): The HTTP profile ID to reset
+        
+    Returns:
+        bool: True if the complete sequence was successful, False otherwise
+    """
+    print('<span style="color: orange;font-weight: bold;">🔄 Complete SARA reboot and reinitialize sequence 🔄</span>')
+    
+    # Step 1: Reboot the modem - Integrated modem_software_reboot logic
+    print('<span style="color: orange;font-weight: bold;">🔄 Software SARA reboot! 🔄</span>')
+    
+    # Use different commands based on modem version
+    if 'R5' in modem_version:  # For SARA-R5 series
+        command = 'AT+CFUN=16\r'  # Normal restart for R5
+    else:  # For SARA-R4 series
+        command = 'AT+CFUN=15\r'  # Factory reset for R4
+    
+    ser_sara.write(command.encode('utf-8'))    
+    response = read_complete_response(ser_sara, wait_for_lines=["OK", "ERROR"], debug=True)
+    
+    print('<p class="text-danger-emphasis">')
+    print(response)
+    print("</p>", end="")
+    
+    # Check if reboot command was acknowledged
+    reboot_success = response is not None and "OK" in response
+    if not reboot_success:
+        print("⚠️ Modem reboot command failed")
+        return False
+    
+    # Step 2: Wait for the modem to restart (adjust time as needed)
+    print("Waiting for modem to restart...")
+    time.sleep(15)  # 15 seconds should be enough for most modems to restart
+    
+    # Step 3: Check if modem is responsive after reboot
+    print("Checking if modem is responsive...")
+    ser_sara.write(b'AT\r')
+    response_check = read_complete_response(ser_sara, wait_for_lines=["OK"], debug=True)
+    if response_check is None or "OK" not in response_check:
+        print("⚠️ Modem not responding after reboot")
+        return False
+    
+    print("✅ Modem restarted successfully")
+    
+    # Step 4: Reset the HTTP Profile
+    print('<span style="color: orange;font-weight: bold;">🔧 Resetting the HTTP Profile</span>')
+    command = f'AT+UHTTP={aircarto_profile_id},1,"data.nebuleair.fr"\r'
+    ser_sara.write(command.encode('utf-8'))
+    responseResetHTTP = read_complete_response(ser_sara, timeout=5, end_of_response_timeout=5, 
+                                              wait_for_lines=["OK", "+CME ERROR"], debug=True)
+    print('<p class="text-danger-emphasis">')
+    print(responseResetHTTP)
+    print("</p>", end="")
+    
+    http_reset_success = responseResetHTTP is not None and "OK" in responseResetHTTP
+    if not http_reset_success:
+        print("⚠️ HTTP profile reset failed")
+        # Continue anyway, don't return False here
+    
+    # Step 5: For SARA-R5, reset the PDP connection
+    pdp_reset_success = True
+    if modem_version == "SARA-R500":
+        print("⚠️ Need to reset PDP connection for SARA-R500")
+        
+        # Activate PDP context 1
+        print('➡️ Activate PDP context 1')
+        command = f'AT+CGACT=1,1\r'
+        ser_sara.write(command.encode('utf-8'))
+        response_pdp1 = read_complete_response(ser_sara, wait_for_lines=["OK"])
+        print(response_pdp1, end="")
+        pdp_reset_success = pdp_reset_success and (response_pdp1 is not None and "OK" in response_pdp1)
+        time.sleep(1)
+        
+        # Set the PDP type
+        print('➡️ Set the PDP type to IPv4 referring to the output of the +CGDCONT read command')
+        command = f'AT+UPSD=0,0,0\r'
+        ser_sara.write(command.encode('utf-8'))
+        response_pdp2 = read_complete_response(ser_sara, wait_for_lines=["OK"])
+        print(response_pdp2, end="")
+        pdp_reset_success = pdp_reset_success and (response_pdp2 is not None and "OK" in response_pdp2)
+        time.sleep(1)
+        
+        # Profile #0 is mapped on CID=1
+        print('➡️ Profile #0 is mapped on CID=1.')
+        command = f'AT+UPSD=0,100,1\r'
+        ser_sara.write(command.encode('utf-8'))
+        response_pdp3 = read_complete_response(ser_sara, wait_for_lines=["OK"])
+        print(response_pdp3, end="")
+        pdp_reset_success = pdp_reset_success and (response_pdp3 is not None and "OK" in response_pdp3)
+        time.sleep(1)
+        
+        # Activate the PSD profile
+        print('➡️ Activate the PSD profile #0: the IPv4 address is already assigned by the network.')
+        command = f'AT+UPSDA=0,3\r'
+        ser_sara.write(command.encode('utf-8'))
+        response_pdp4 = read_complete_response(ser_sara, wait_for_lines=["OK", "+UUPSDA"])
+        print(response_pdp4, end="")
+        pdp_reset_success = pdp_reset_success and (response_pdp4 is not None and ("OK" in response_pdp4 or "+UUPSDA" in response_pdp4))
+        time.sleep(1)
+        
+        if not pdp_reset_success:
+            print("⚠️ PDP connection reset had some issues")
+    
+    # Return overall success
+    return http_reset_success and pdp_reset_success
+
 try:
     '''
   _     ___   ___  ____  
@@ -288,25 +429,49 @@ try:
                          
     '''
     print('<h3>START LOOP</h3>')
+    print(f'Modem version: {modem_version}')
 
     #Local timestamp
+    #ATTENTION:
+        # -> RTC module can be deconnected ""
+        # -> RTC module can be out of time like "2000-01-01T00:55:21Z"
     print("➡️Getting local timestamp")
     cursor.execute("SELECT * FROM timestamp_table LIMIT 1")
     row = cursor.fetchone()  # Get the first (and only) row
-    rtc_time_str = row[1]  # '2025-02-07 12:30:45'
-     # Convert to a datetime object
-    dt_object = datetime.strptime(rtc_time_str, '%Y-%m-%d %H:%M:%S')
-    # Convert to InfluxDB RFC3339 format with UTC 'Z' suffix
-    influx_timestamp = dt_object.strftime('%Y-%m-%dT%H:%M:%SZ')
-    print(influx_timestamp)
+    rtc_time_str = row[1]  # '2025-02-07 12:30:45' ou '2000-01-01 00:55:21' ou 'not connected'
+    print(rtc_time_str)
+
+    if rtc_time_str == 'not connected':
+        print("⛔ Atttention RTC module not connected⛔")
+        rtc_status = "disconnected"
+        influx_timestamp="rtc_disconnected"
+    else :
+        # Convert to a datetime object
+        dt_object = datetime.strptime(rtc_time_str, '%Y-%m-%d %H:%M:%S')
+        # Check if timestamp is reset (year 2000)
+        if dt_object.year == 2000:
+            print("⛔ Attention: RTC has been reset to default date ⛔")
+            rtc_status = "reset"
+        else:
+            print("✅ RTC timestamp is valid")
+            rtc_status = "valid"
+
+        # Always convert to InfluxDB format
+        # Convert to InfluxDB RFC3339 format with UTC 'Z' suffix
+        influx_timestamp = dt_object.strftime('%Y-%m-%dT%H:%M:%SZ')
+        rtc_status = "valid"
+        print(influx_timestamp)
 
     #NEXTPM
+    # We take the last measures (order by rowid and not by timestamp)
     print("➡️Getting NPM values (last 6 measures)")
     #cursor.execute("SELECT * FROM data_NPM ORDER BY timestamp DESC LIMIT 1")
-    cursor.execute("SELECT * FROM data_NPM ORDER BY timestamp DESC LIMIT 6")
+    #cursor.execute("SELECT * FROM data_NPM ORDER BY timestamp DESC LIMIT 6")
+    cursor.execute("SELECT rowid, * FROM data_NPM ORDER BY rowid DESC LIMIT 6")
+
     rows = cursor.fetchall()
     # Exclude the timestamp column (assuming first column is timestamp)
-    data_values = [row[1:] for row in rows]  # Exclude timestamp
+    data_values = [row[2:] for row in rows]  # Exclude timestamp
     # Compute column-wise average
     num_columns = len(data_values[0])
     averages = [round(sum(col) / len(col),1) for col in zip(*data_values)]
@@ -333,7 +498,7 @@ try:
     #NextPM 5 channels
     if npm_5channel:
         print("➡️Getting NextPM 5 channels values (last 6 measures)")
-        cursor.execute("SELECT * FROM data_NPM_5channels ORDER BY timestamp DESC LIMIT 6")
+        cursor.execute("SELECT * FROM data_NPM_5channels ORDER BY rowid DESC LIMIT 6")
         rows = cursor.fetchall()
         # Exclude the timestamp column (assuming first column is timestamp)
         data_values = [row[1:] for row in rows]  # Exclude timestamp
@@ -351,7 +516,7 @@ try:
     #BME280
     if bme_280_config:
         print("➡️Getting BME280 values")
-        cursor.execute("SELECT * FROM data_BME280 ORDER BY timestamp DESC LIMIT 1")
+        cursor.execute("SELECT * FROM data_BME280 ORDER BY rowid DESC LIMIT 1")
         last_row = cursor.fetchone()
         if last_row:
             print("SQLite DB last available row:", last_row)
@@ -374,7 +539,7 @@ try:
     #envea
     if envea_cairsens:
         print("➡️Getting envea cairsens values")
-        cursor.execute("SELECT * FROM data_envea ORDER BY timestamp DESC LIMIT 6")
+        cursor.execute("SELECT * FROM data_envea ORDER BY rowid DESC LIMIT 6")
         rows = cursor.fetchall()
         # Exclude the timestamp column (assuming first column is timestamp)
         data_values = [row[1:] for row in rows]  # Exclude timestamp
@@ -398,16 +563,81 @@ try:
         payload_json["sensordatavalues"].append({"value_type": "CAIRSENS_NO2", "value": str(averages[1])})
         payload_json["sensordatavalues"].append({"value_type": "CAIRSENS_NH3", "value": str(averages[2])})
 
+    #Wind meter    
+    if wind_meter:
+        print("➡️Getting wind meter values")
+
+    #MPPT charger    
+    if mppt_charger:
+        print("➡️Getting MPPT charger values")
+        cursor.execute("SELECT * FROM data_MPPT ORDER BY rowid DESC LIMIT 1")
+        last_row = cursor.fetchone()
+        if last_row:
+            print("SQLite DB last available row:", last_row)
+            battery_voltage = last_row[1]  
+            battery_current = last_row[2]
+            solar_voltage = last_row[3]
+            solar_power = last_row[4]
+            charger_status = last_row[5]
+
+            #Add data to payload CSV
+            payload_csv[20] = battery_voltage 
+            payload_csv[21] = battery_current
+            payload_csv[22] = solar_voltage
+            payload_csv[23] = solar_power
+            payload_csv[24] = charger_status
+        else:
+            print("No data available in the database.")
 
     print("Verify SARA R4 connection")
     
     # Getting the LTE Signal
-    print("-> Getting LTE signal <-")
+    print("➡️Getting LTE signal")
     ser_sara.write(b'AT+CSQ\r')
-    response2 = read_complete_response(ser_sara, wait_for_lines=["OK"])
+    response2 = read_complete_response(ser_sara, wait_for_lines=["OK", "ERROR", "+CME ERROR"])
     print('<p class="text-danger-emphasis">')
     print(response2)
-    print("</p>")
+    print("</p>", end="")
+
+
+    #Here it's possible that the SARA do not repond at all or send a error message
+    #-> TO DO : harware reboot
+    #-> send notification
+    #-> end loop, no need to continue
+
+    #1. No answer at all form SARA
+    if response2 is None or response2 == "":
+        print("No answer from SARA module")
+        print('🛑STOP LOOP🛑')
+        print("<hr>")
+
+       # Send notification
+        try:
+            alert_url = f'http://data.nebuleair.fr/pro_4G/alert.php?capteur_id={device_id}&error_type=serial_error'
+            response = requests.post(alert_url, timeout=3)
+            if response.status_code == 200:
+                print(f"Alert notification sent successfully")
+            else:
+                print(f"Alert notification failed with status code: {response.status_code}")
+        except Exception as e:
+            print(f"Alert notification failed: {e}")
+        
+        #end loop
+        sys.exit()
+
+    #2. si on a une erreur   
+    elif "+CME ERROR" in response2:
+        print(f"SARA module returned error: {response2}")
+        print("The CSQ command is not supported by this module or in its current state")
+        print("⚠️ATTENTION: SARA is connected over serial but CSQ command not supported")
+        print('🛑STOP LOOP🛑')
+        #end loop
+        sys.exit()
+
+    else :
+        print("✅SARA is connected over serial")
+
+
     match = re.search(r'\+CSQ:\s*(\d+),', response2)
     if match:
         signal_quality = int(match.group(1))
@@ -425,7 +655,7 @@ try:
             responseReconnect = read_complete_response(ser_sara, timeout=20, end_of_response_timeout=20)
             print('<p class="text-danger-emphasis">')
             print(responseReconnect)
-            print("</p>")
+            print("</p>", end="")
             
             print('🛑STOP LOOP🛑')
             print("<hr>")
@@ -448,26 +678,31 @@ try:
     print("Open JSON:")
     command = f'AT+UDWNFILE="sensordata_csv.json",{size_of_string}\r'
     ser_sara.write(command.encode('utf-8'))
-    response_SARA_1 = read_complete_response(ser_sara, wait_for_lines=[">"], debug=False)
+    response_SARA_1 = read_complete_response(ser_sara, wait_for_lines=[">"], debug=True)
+    print('<p class="text-danger-emphasis">')
     print(response_SARA_1)
+    print("</p>", end="")
+
     time.sleep(1)
 
     #2. Write to shell
     print("Write data to memory:")
     ser_sara.write(csv_string.encode())
-    response_SARA_2 = read_complete_response(ser_sara, wait_for_lines=["OK"], debug=False)
+    response_SARA_2 = read_complete_response(ser_sara, wait_for_lines=["OK"], debug=True)
+    print('<p class="text-danger-emphasis">')
     print(response_SARA_2)
+    print("</p>", end="")
 
     #3. Send to endpoint (with device ID)
     print("Send data (POST REQUEST):")
     command= f'AT+UHTTPC={aircarto_profile_id},4,"/pro_4G/data.php?sensor_id={device_id}&lat{device_latitude_raw}=&long={device_longitude_raw}&datetime={influx_timestamp}","aircarto_server_response.txt","sensordata_csv.json",4\r'                                                                                            
     ser_sara.write(command.encode('utf-8'))
 
-    response_SARA_3 = read_complete_response(ser_sara, timeout=5, end_of_response_timeout=120, wait_for_lines=["+UUHTTPCR", "+CME ERROR"], debug=True)
+    response_SARA_3 = read_complete_response(ser_sara, timeout=5, end_of_response_timeout=120, wait_for_lines=["+UUHTTPCR", "+CME ERROR", "ERROR"], debug=True)
 
     print('<p class="text-danger-emphasis">')
     print(response_SARA_3)
-    print("</p>")
+    print("</p>", end="")
 
     # si on recoit la réponse UHTTPCR
     if "+UUHTTPCR" in response_SARA_3:
@@ -522,14 +757,15 @@ try:
             led_thread.start()
 
         else:
-        # 2.Si la réponse contient une réponse HTTP valide
-        # Extract HTTP response code from the last line
-        # ATTENTION: lines[-1] renvoie l'avant dernière ligne et il peut y avoir un soucis avec le OK
-        # rechercher plutot 
+        # 2.Si la réponse contient une réponse UUHTTPCR
+        # Extract UUHTTPCR response code from the last line
+
             http_response = lines[-1]  # "+UUHTTPCR: 0,4,0"
             parts = http_response.split(',')
 
             # 2.1 code 0 (HTTP failed) ⛔⛔⛔
+            # -> GET error code
+            # -> reboot module 
             if len(parts) == 3 and parts[-1] == '0':  # The third value indicates success
                 print("*****")
                 print('<span style="color: red;font-weight: bold;">⛔ATTENTION: HTTP operation failed</span>')
@@ -541,66 +777,128 @@ try:
                 led_thread.start()
 
                 # Get error code
-                print("Getting error code (11->Server connection error, 73->Secure socket connect error)")
+                print("Getting error code")
                 command = f'AT+UHTTPER={aircarto_profile_id}\r'
                 ser_sara.write(command.encode('utf-8'))    
                 response_SARA_9 = read_complete_response(ser_sara, wait_for_lines=["OK"], debug=False)
                 print('<p class="text-danger-emphasis">')
                 print(response_SARA_9)
-                print("</p>")
+                print("</p>", end="")
 
-                '''
-                +UHTTPER: profile_id,error_class,error_code
+                # Extract just the error code
+                error_code = extract_error_code(response_SARA_9)
+                if error_code is not None:
+                    # Display interpretation based on error code
+                    if error_code == 0:
+                        print('<p class="text-success">No error detected</p>')
+                    elif error_code == 4:
+                        print('<p class="text-danger">Error 4: Invalid server Hostname</p>')
+                    elif error_code == 11:
+                        print('<p class="text-danger">Error 11: Server connection error</p>')
+                    elif error_code == 22:
+                        print('<p class="text-danger">⚠️Error 22: PSD or CSD connection not established (SARA-R5 need to reset PDP conection)⚠️</p>')
+                    elif error_code == 73:
+                        print('<p class="text-danger">Error 73: Secure socket connect error</p>')
+                    else:
+                        print(f'<p class="text-danger">Unknown error code: {error_code}</p>')
+                else:
+                    print('<p class="text-danger">Could not extract error code from response</p>')
+                    
 
-                error_class
-                0   OK, no error
-                3   HTTP Protocol error class
-                10  Wrong HTTP API USAGE
-
-                error_code (for error_class 3 and 10)
-                0   No error
-                4   Invalid server Hostname
-                11  Server connection error
-                73  Secure socket connect error
-                '''
-
-                #Essayer un reboot du SARA R4 (ne fonctionne pas)
-                #print("🔄SARA reboot!🔄")
-                #command = f'AT+CFUN=15\r'
-                #ser_sara.write(command.encode('utf-8'))    
-                #response_SARA_9r = read_complete_response(ser_sara, wait_for_lines=["OK"], debug=False)
-                #print('<p class="text-danger-emphasis">')
-                #print(response_SARA_9r)
-                #print("</p>")
-
-                #reset l'url
-                print('<span style="color: orange;font-weight: bold;">❓Try Resetting the HTTP Profile❓</span>')
-                command = f'AT+UHTTP={aircarto_profile_id},1,"data.nebuleair.fr"\r'
-                ser_sara.write(command.encode('utf-8'))
-                responseResetHTTP2_profile = read_complete_response(ser_sara, timeout=5, end_of_response_timeout=5, wait_for_lines=["OK", "+CME ERROR"], debug=True)
-                print('<p class="text-danger-emphasis">')
-                print(responseResetHTTP2_profile)
-                print("</p>")
+                #Software Reboot
+                software_reboot_success = modem_complete_reboot_and_reinitialize(modem_version, aircarto_profile_id)
+                if software_reboot_success:
+                    print("Modem successfully rebooted and reinitialized")
+                else:
+                    print("There were issues with the modem reboot/reinitialize process")
 
 
-            # 2.2 code 1 (HHTP succeded)
+            # 2.2 code 1 (✅✅HHTP / UUHTTPCR succeded✅✅)
             else:
-                # Si la commande HTTP a réussi 
                 print('<span style="font-weight: bold;">✅✅HTTP operation successful.</span>')
                 update_json_key(config_file, "SARA_R4_network_status", "connected")
                 print("Blink blue LED")
                 led_thread = Thread(target=blink_led, args=(23, 5, 0.5))
                 led_thread.start()
+
                 #4. Read reply from server   
                 print("Reply from server:")                                                                         
                 ser_sara.write(b'AT+URDFILE="aircarto_server_response.txt"\r')              
                 response_SARA_4 = read_complete_response(ser_sara, wait_for_lines=["OK"], debug=False)
                 print('<p class="text-success">')
                 print(response_SARA_4)
-                print('</p>')
+                print("</p>", end="")
+
+                #Parse the server datetime
+                # Extract just the date from the response
+                date_string = None
+                date_start = response_SARA_4.find("Date: ")
+                if date_start != -1:
+                    date_end = response_SARA_4.find("\n", date_start)
+                    date_string = response_SARA_4[date_start + 6:date_end].strip()
+                    print(f'<div class="text-primary">Server date: {date_string}</div>', end="")
+                    
+                    # Optionally convert to datetime object
+                    try:
+                        from datetime import datetime
+                        server_datetime = datetime.strptime(
+                            date_string, 
+                            "%a, %d %b %Y %H:%M:%S %Z"
+                        )
+                        #print(f'<p class="text-primary">Parsed datetime: {server_datetime}</p>')
+                    except Exception as e:
+                        print(f'<p class="text-warning">Error parsing date: {e}</p>')
+                
+                # Get RTC time from SQLite
+                cursor.execute("SELECT * FROM timestamp_table LIMIT 1")
+                row = cursor.fetchone()  
+                rtc_time_str = row[1]  # '2025-02-07 12:30:45' or '2000-01-01 00:55:21' or 'not connected'
+                print(f'<div class="text-primary">RTC time: {rtc_time_str}</div>', end="")
+
+                # Compare times if both are available
+                if server_datetime and rtc_time_str != 'not connected':
+                    try:
+                        # Convert RTC time string to datetime
+                        rtc_datetime = datetime.strptime(rtc_time_str, '%Y-%m-%d %H:%M:%S')
+                        
+                        # Calculate time difference in seconds
+                        time_diff = abs((server_datetime - rtc_datetime).total_seconds())
+                        
+                        print(f'<div class="text-primary">Time difference: {time_diff:.2f} seconds</div>', end="")
+                        
+                        # Check if difference is more than 60 seconds
+                        # and update the RTC clock
+                        if time_diff > 60:
+                            print(f'<div class="text-warning"><strong>⚠️ RTC time differs from server time by {time_diff:.2f} seconds!</strong></div>', end="")
+                            # Format server time for RTC update
+                            server_time_formatted = server_datetime.strftime('%Y-%m-%d %H:%M:%S')
+                            
+                            #update RTC module do not wait for answer, non blocking
+                            #/usr/bin/python3 /var/www/nebuleair_pro_4g/RTC/set_with_browserTime.py '2024-01-30 12:48:39'
+                            # Launch RTC update script as non-blocking subprocess
+                            import subprocess
+                            update_command = [
+                                "/usr/bin/python3", 
+                                "/var/www/nebuleair_pro_4g/RTC/set_with_browserTime.py", 
+                                server_time_formatted
+                            ]
+                            
+                            # Execute the command without waiting for result
+                            subprocess.Popen(update_command, 
+                                            stdout=subprocess.DEVNULL, 
+                                            stderr=subprocess.DEVNULL)
+                            
+                            print(f'<div class="text-warning">➡️ Updating RTC with server time: {server_time_formatted}</div>', end="")
+
+                        else:
+                            print(f'<div class="text-success">✅ RTC time is synchronized with server time (within 60 seconds)</div>')
+                    
+                    except Exception as e:
+                        print(f'<p class="text-warning">Error comparing times: {e}</p>')
+
 
     #Si non ne recoit pas de réponse UHTTPCR
-    #on a peut etre une ERROR de type "+CME ERROR: No connection to phone"
+    #on a peut etre une ERROR de type "+CME ERROR: No connection to phone" ou "Operation not allowed"
     else:
         print('<span style="color: red;font-weight: bold;">No UUHTTPCR response</span>')
         print("Blink red LED")
@@ -629,7 +927,7 @@ try:
                     responseReconnect = read_complete_response(ser_sara, timeout=5, end_of_response_timeout=120, wait_for_lines=["OK", "+CME ERROR"], debug=True)
                     print('<p class="text-danger-emphasis">')
                     print(responseReconnect)
-                    print("</p>")
+                    print("</p>", end="")
                 # Handle "Operation not allowed" error
                 if error_message == "Operation not allowed":
                     print('<span style="color: orange;font-weight: bold;">❓Try Resetting the HTTP Profile❓</span>')
@@ -638,13 +936,36 @@ try:
                     responseResetHTTP_profile = read_complete_response(ser_sara, timeout=5, end_of_response_timeout=5, wait_for_lines=["OK", "+CME ERROR"], debug=True)
                     print('<p class="text-danger-emphasis">')
                     print(responseResetHTTP_profile)
-                    print("</p>")
+                    print("</p>", end="")
+                    check_lines = responseResetHTTP_profile.strip().splitlines()
+                    for line in check_lines:
+                        if "+CME ERROR: Operation not allowed" in line:
+                            print('<span style="color: red;font-weight: bold;">⚠️ATTENTION: CME ERROR⚠️</span>')
+                            print('<span style="color: orange;font-weight: bold;">❓Try Reboot the module❓</span>')
+                            #Software Reboot
+
+            if "ERROR" in line:
+                print("⛔Attention ERROR!⛔")
+                #Software Reboot
+                software_reboot_success = modem_complete_reboot_and_reinitialize(modem_version, aircarto_profile_id)
+                if software_reboot_success:
+                    print("Modem successfully rebooted and reinitialized")
+                else:
+                    print("There were issues with the modem reboot/reinitialize process")
+
 
     #5. empty json
     print("Empty SARA memory:")
     ser_sara.write(b'AT+UDELFILE="sensordata_csv.json"\r')
-    response_SARA_5 = read_complete_response(ser_sara, wait_for_lines=["OK"], debug=False)
-    print(response_SARA_5)    
+    response_SARA_5 = read_complete_response(ser_sara, wait_for_lines=["OK","+CME ERROR"], debug=True)
+    print('<p class="text-danger-emphasis">')
+    print(response_SARA_5)  
+    print("</p>", end="")
+
+    if "+CME ERROR" in response_SARA_5:
+        print("⛔ Attention CME ERROR ⛔")
+            
+
 
 
     '''
@@ -654,6 +975,72 @@ try:
     if send_uSpot:
         print('➡️<p class="fw-bold">SEND TO uSPOT SERVERS</p>')
 
+        if reset_uSpot_url:
+            #2. Set uSpot URL (profile id = 1)
+            print('➡️Set uSpot URL')
+            uSpot_profile_id = 1
+            uSpot_url="api-prod.uspot.probesys.net"
+            security_profile_id = 1
+
+            #step 1: import the certificate
+            print("****")
+            certificate_name = "e6"
+            with open("/var/www/nebuleair_pro_4g/SARA/SSL/certificate/e6.pem", "rb") as cert_file:
+                certificate = cert_file.read()
+            size_of_string = len(certificate)
+
+            print("\033[0;33m Import certificate\033[0m")
+            # AT+USECMNG=0,<type>,<internal_name>,<data_size>
+            # type-> 0 -> trusted root CA
+            command = f'AT+USECMNG=0,0,"{certificate_name}",{size_of_string}\r'
+            ser_sara.write((command + '\r').encode('utf-8'))
+            response_SARA_1 = read_complete_response(ser_sara)
+            print(response_SARA_1)
+
+            time.sleep(0.5)
+
+            print("\033[0;33mAdd certificate\033[0m")
+            ser_sara.write(certificate)
+            response_SARA_2 = read_complete_response(ser_sara)
+            print(response_SARA_2)
+
+            time.sleep(0.5)
+
+            # SECURITY PROFILE
+                # op_code:  3 -> trusted root certificate internal name
+            print("\033[0;33mSet the security profile (choose cert)\033[0m")
+            command = f'AT+USECPRF={security_profile_id},3,"{certificate_name}"\r'
+            ser_sara.write((command + '\r').encode('utf-8'))
+            response_SARA_5c = read_complete_response(ser_sara, wait_for_lines=["OK"])
+            print(response_SARA_5c)
+            time.sleep(0.5)
+
+            #step 4: set url (op_code = 1)
+            command = f'AT+UHTTP={uSpot_profile_id},1,"{uSpot_url}"\r'
+            ser_sara.write(command.encode('utf-8'))
+            response_SARA_2 = read_complete_response(ser_sara, wait_for_lines=["OK"])
+            print(response_SARA_2)
+            time.sleep(1)
+
+            #step 4: set PORT (op_code = 5)
+            print("set port 443")
+            command = f'AT+UHTTP={uSpot_profile_id},5,443\r'
+            ser_sara.write((command + '\r').encode('utf-8'))
+            response_SARA_55 = read_complete_response(ser_sara, wait_for_lines=["OK"])
+            print(response_SARA_55)
+            time.sleep(1)
+
+            #step 4: set url to SSL (op_code = 6) (http_secure = 1 for HTTPS)(USECMNG_PROFILE = 2)
+            print("\033[0;33mSET SSL\033[0m")
+            http_secure = 1
+            command = f'AT+UHTTP={uSpot_profile_id},6,{http_secure},{security_profile_id}\r'
+            #command = f'AT+UHTTP={profile_id},6,{http_secure}\r'
+
+            ser_sara.write(command.encode('utf-8'))
+            response_SARA_5 = read_complete_response(ser_sara, wait_for_lines=["OK"])
+            print(response_SARA_5)
+            time.sleep(1)
+
         # 1. Open sensordata_json.json (with correct data size)
         print("Open JSON:")
         payload_string = json.dumps(payload_json)  # Convert dict to JSON string
@@ -680,7 +1067,7 @@ try:
 
         print('<p class="text-danger-emphasis">')
         print(response_SARA_8)
-        print("</p>")
+        print("</p>", end="")
 
         # si on recoit la réponse UHTTPCR
         if "+UUHTTPCR" in response_SARA_8:
@@ -727,28 +1114,31 @@ try:
                     led_thread.start()
 
                     # Get error code
-                    print("Getting error code (4-> Invalid server Hostname, 11->Server connection error, 73->Secure socket connect error)")
+                    print("Getting error code")
                     command = f'AT+UHTTPER={uSpot_profile_id}\r'
                     ser_sara.write(command.encode('utf-8'))    
                     response_SARA_9b = read_complete_response(ser_sara, wait_for_lines=["OK"], debug=False)
                     print('<p class="text-danger-emphasis">')
                     print(response_SARA_9b)
-                    print("</p>")
-
-                    '''
-                    +UHTTPER: profile_id,error_class,error_code
-
-                    error_class
-                    0   OK, no error
-                    3   HTTP Protocol error class
-                    10  Wrong HTTP API USAGE
-
-                    error_code (for error_class 3)
-                    0   No error
-                    4   Invalid server Hostname
-                    11  Server connection error
-                    73  Secure socket connect error
-                    '''
+                    print("</p>", end="")
+                    # Extract just the error code
+                    error_code = extract_error_code(response_SARA_9b)
+                    if error_code is not None:
+                        # Display interpretation based on error code
+                        if error_code == 0:
+                            print('<p class="text-success">No error detected</p>')
+                        elif error_code == 4:
+                            print('<p class="text-danger">Error 4: Invalid server Hostname</p>')
+                        elif error_code == 11:
+                            print('<p class="text-danger">Error 11: Server connection error</p>')
+                        elif error_code == 22:
+                            print('<p class="text-danger">Error 22: PSD or CSD connection not established</p>')
+                        elif error_code == 73:
+                            print('<p class="text-danger">Error 73: Secure socket connect error</p>')
+                        else:
+                            print(f'<p class="text-danger">Unknown error code: {error_code}</p>')
+                    else:
+                        print('<p class="text-danger">Could not extract error code from response</p>')
 
                     #Pas forcément un moyen de résoudre le soucis
 
@@ -766,7 +1156,7 @@ try:
                     response_SARA_4b = read_complete_response(ser_sara, wait_for_lines=["OK"], debug=False)
                     print('<p class="text-success">')
                     print(response_SARA_4b)
-                    print('</p>')
+                    print("</p>", end="")
 
 
 

master.py

@@ -81,11 +81,13 @@ def run_script(script_name, interval, delay=0):
 
 # Define scripts and their execution intervals (seconds)
 SCRIPTS = [
-    #("RTC/save_to_db.py", 1, 0),                # SAVE RTC time every 1 second, no delay
+    #("RTC/save_to_db.py", 1, 0),                # --> will run as a separated system service (rtc_save_to_db.service)
     ("NPM/get_data_modbus_v3.py", 10, 0),       # Get NPM data (modbus 5 channels) every 10s, with 2s delay
     ("envea/read_value_v2.py", 10, 0),          # Get NPM data (modbus 5 channels) every 10s, with 2s delay
     ("loop/SARA_send_data_v2.py", 60, 1),       # Send data every 60 seconds, with 2s delay
     ("BME280/get_data_v2.py", 120, 0),          # Get BME280 data every 120 seconds, no delay
+    ("MPPT/read.py", 120, 0),                   # Get MPPT data every 120 seconds, no delay
+    #("windMeter/read.py", 60, 2),               # --> will run as a separated system service ()
     ("sqlite/flush_old_data.py", 86400, 0)        # flush old data inside db every day ()
 ]
 

sqlite/create_db.py

@@ -30,7 +30,14 @@ cursor.execute("""
     VALUES (1, CURRENT_TIMESTAMP);
 """)
 
-
+#create a modem status table
+cursor.execute("""
+CREATE TABLE IF NOT EXISTS modem_status (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    timestamp TEXT,
+    status TEXT
+)
+""")
 
 # Create a table NPM
 cursor.execute("""
@@ -78,6 +85,26 @@ CREATE TABLE IF NOT EXISTS data_NPM_5channels (
 )
 """)
 
+# Create a table WIND
+cursor.execute("""
+CREATE TABLE IF NOT EXISTS data_WIND (
+    timestamp TEXT,
+    wind_speed REAL,
+    wind_direction REAL
+)
+""")
+
+# Create a table MPPT
+cursor.execute("""
+CREATE TABLE IF NOT EXISTS data_MPPT (
+    timestamp TEXT,
+    battery_voltage REAL,
+    battery_current REAL,
+    solar_voltage REAL,
+    solar_power REAL,
+    charger_status INTEGER
+)
+""")
 
 
 # Commit and close the connection

sqlite/read.py

@@ -14,6 +14,8 @@ data_NPM_5channels
 data_BME280
 data_envea
 timestamp_table
+data_MPPT
+data_WIND
 
 '''
 

windMeter/ads115.py

@@ -0,0 +1,27 @@
+'''
+Script to test the abs115 an analog-to-digital converter
+sudo /usr/bin/python3 /var/www/nebuleair_pro_4g/windMeter/ads115.py
+
+'''
+import time
+import board
+import busio
+import adafruit_ads1x15.ads1115 as ADS
+from adafruit_ads1x15.analog_in import AnalogIn
+
+i2c = busio.I2C(board.SCL, board.SDA)
+ads = ADS.ADS1115(i2c)
+channel = AnalogIn(ads, ADS.P0)
+
+print("Testing ADS1115 readings...")
+readings = []
+
+for i in range(5):
+    voltage = channel.voltage
+    readings.append(voltage)
+    print(f"Voltage: {voltage:.6f}V")
+    time.sleep(1)
+
+# Calculate and display the mean
+mean_voltage = sum(readings) / len(readings)
+print(f"\nMean voltage: {mean_voltage:.6f}V")

windMeter/read.py

@@ -0,0 +1,108 @@
+'''
+ __        _____ _   _ ____  
+ \ \      / /_ _| \ | |  _ \ 
+  \ \ /\ / / | ||  \| | | | |
+   \ V  V /  | || |\  | |_| |
+    \_/\_/  |___|_| \_|____/ 
+
+Script to read wind speed from a Davis Anémomètre-girouette Vantage Pro (6410)
+https://www.shapemaker.io/blog/wind-speed-measurements-with-anemometer-and-a-raspberry-pi
+
+Connexion:
+black (wind speed )     -> gpio21
+green (wind direction)  -> ADS1115 (module I2C) 
+Yellow                  -> 5v
+RED                     -> GND
+
+Attention:  The Raspberry Pi doesn't have analog inputs, so we need an analog-to-digital converter (ADC) to read the wind direction.
+
+sudo /usr/bin/python3 /var/www/nebuleair_pro_4g/windMeter/read.py
+
+'''
+#!/usr/bin/python3
+import time
+import sqlite3
+import board
+import busio
+import numpy as np
+import threading
+import adafruit_ads1x15.ads1115 as ADS
+from adafruit_ads1x15.analog_in import AnalogIn
+from gpiozero import Button
+from datetime import datetime
+
+# Constants
+DB_PATH = "/var/www/nebuleair_pro_4g/sqlite/sensors.db"
+
+# Initialize I2C & ADS1115
+i2c = busio.I2C(board.SCL, board.SDA)
+ads = ADS.ADS1115(i2c)
+channel = AnalogIn(ads, ADS.P0)  # Connect to A0 on the ADS1115
+
+# Wind speed sensor setup
+wind_speed_sensor = Button(21)
+wind_count = 0
+wind_lock = threading.Lock()
+
+def spin():
+    global wind_count
+    with wind_lock:
+        wind_count += 1
+
+def reset_wind():
+    global wind_count
+    with wind_lock:
+        wind_count = 0
+
+wind_speed_sensor.when_activated = spin  # More reliable
+
+def calc_speed(spins, interval):
+    return spins * (2.25 / interval) * 1.60934  # Convert MPH to km/h
+
+def get_wind_direction():
+    voltage = channel.voltage
+    return voltage
+
+def save_to_database(wind_speed, wind_direction, spin_count):
+    """Save wind data to SQLite database."""
+    try:
+        conn = sqlite3.connect(DB_PATH)
+        cursor = conn.cursor()
+        
+        cursor.execute("SELECT * FROM timestamp_table LIMIT 1")
+        row = cursor.fetchone()
+        rtc_time_str = row[1] if row else datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+
+        cursor.execute('''
+        INSERT INTO data_wind (timestamp, wind_speed, wind_direction)
+        VALUES (?, ?, ?)
+        ''', (rtc_time_str, round(wind_speed, 2), round(wind_direction, 2)))
+        
+        conn.commit()
+        conn.close()
+        print(f"Saved: {rtc_time_str}, {wind_speed:.2f} km/h, {wind_direction:.2f}V, Spins: {spin_count}")
+        
+    except Exception as e:
+        print(f"Database error: {e}")
+
+def main():
+    print("Wind monitoring started...")
+    
+    try:
+        while True:
+            reset_wind()
+            print("Measuring for 60 seconds...")
+            time.sleep(60)
+            
+            wind_speed_kmh = calc_speed(wind_count, 60)
+            wind_direction = get_wind_direction()
+            
+            save_to_database(wind_speed_kmh, wind_direction, wind_count)
+            
+    except KeyboardInterrupt:
+        print("\nMonitoring stopped.")
+    except Exception as e:
+        print(f"Error: {e}")
+
+if __name__ == "__main__":
+    main()

windMeter/read_wind_direction.py

@@ -0,0 +1,84 @@
+'''
+ __        _____ _   _ ____  
+ \ \      / /_ _| \ | |  _ \ 
+  \ \ /\ / / | ||  \| | | | |
+   \ V  V /  | || |\  | |_| |
+    \_/\_/  |___|_| \_|____/ 
+                             
+
+Script to read wind speed from a Davis Anémomètre-girouette Vantage Pro (6410)
+https://www.shapemaker.io/blog/wind-speed-measurements-with-anemometer-and-a-raspberry-pi
+
+Connexion:
+black (wind speed )     -> gpio21
+green (wind direction)  -> ADS1115 (module I2C) 
+Yellow                  -> 5v
+RED                     -> GND
+
+Attention:  The Raspberry Pi doesn't have analog inputs, so we need an analog-to-digital converter (ADC) to read the wind direction.
+
+sudo /usr/bin/python3 /var/www/nebuleair_pro_4g/windMeter/read_wind_direction.py
+
+'''
+import time
+import board
+import busio
+import adafruit_ads1x15.ads1115 as ADS
+from adafruit_ads1x15.analog_in import AnalogIn
+
+# Create the I2C bus and ADC object
+i2c = busio.I2C(board.SCL, board.SDA)
+ads = ADS.ADS1115(i2c)
+
+# Connect to the channel with your Davis wind vane
+wind_dir_sensor = AnalogIn(ads, ADS.P0)
+
+# Check the current voltage range
+min_voltage = 9999
+max_voltage = -9999
+
+def get_wind_direction():
+    """Get wind direction angle from Davis Vantage Pro2 wind vane"""
+    global min_voltage, max_voltage
+    
+    # Read voltage from ADS1115
+    voltage = wind_dir_sensor.voltage
+    
+    # Update min/max for calibration
+    if voltage < min_voltage:
+        min_voltage = voltage
+    if voltage > max_voltage:
+        max_voltage = voltage
+    
+    # We'll use a safer mapping approach
+    # Assuming the Davis sensor is linear from 0° to 360°
+    estimated_max = 3.859 # Initial estimate, will refine
+    
+    # Calculate angle with bounds checking
+    angle = (voltage / estimated_max) * 360.0
+    
+    # Ensure angle is in 0-360 range
+    angle = angle % 360
+    
+    return voltage, angle
+
+# Main loop
+try:
+    print("Reading wind direction. Press Ctrl+C to exit.")
+    print("Voltage, Angle, Min Voltage, Max Voltage")
+    while True:
+        voltage, angle = get_wind_direction()
+        print(f"{voltage:.3f}V, {angle:.1f}°, {min_voltage:.3f}V, {max_voltage:.3f}V")
+        time.sleep(1)
+except KeyboardInterrupt:
+    print("\nProgram stopped")
+    print(f"Observed voltage range: {min_voltage:.3f}V to {max_voltage:.3f}V")
+    
+    # Suggest calibration if we have enough data
+    if max_voltage > min_voltage:
+        print("\nSuggested calibration for your setup:")
+        print(f"max_voltage = {max_voltage:.3f}")
+        print(f"def get_wind_direction():")
+        print(f"    voltage = wind_dir_sensor.voltage")
+        print(f"    angle = (voltage / {max_voltage:.3f}) * 360.0")
+        print(f"    return angle % 360")

windMeter/read_wind_speed.py

@@ -0,0 +1,67 @@
+'''
+ __        _____ _   _ ____  
+ \ \      / /_ _| \ | |  _ \ 
+  \ \ /\ / / | ||  \| | | | |
+   \ V  V /  | || |\  | |_| |
+    \_/\_/  |___|_| \_|____/ 
+                             
+
+Script to read wind speed from a Davis Anémomètre-girouette Vantage Pro (6410)
+https://www.shapemaker.io/blog/wind-speed-measurements-with-anemometer-and-a-raspberry-pi
+
+Connexion:
+black (wind speed )     -> gpio21
+green (wind direction)  -> ADS1115 (module I2C) 
+Yellow                  -> 5v
+RED                     -> GND
+
+Attention:  The Raspberry Pi doesn't have analog inputs, so we need an analog-to-digital converter (ADC) to read the wind direction.
+
+sudo /usr/bin/python3 /var/www/nebuleair_pro_4g/windMeter/read_wind_speed.py
+
+'''
+
+
+import time
+from gpiozero import Button
+from signal import pause
+
+# Setup wind speed sensor on GPIO pin 21 (instead of 5)
+wind_speed_sensor = Button(21)
+wind_count = 0
+
+def spin():
+    global wind_count
+    wind_count = wind_count + 1
+
+def calc_speed(spins, interval):
+    # Davis anemometer formula: V = P*(2.25/T) in MPH
+    # P = pulses per sample period, T = sample period in seconds
+    wind_speed_mph = spins * (2.25 / interval)
+    return wind_speed_mph
+
+def reset_wind():
+    global wind_count
+    wind_count = 0
+
+# Register the event handler for the sensor
+wind_speed_sensor.when_pressed = spin
+
+try:
+    print("Wind speed measurement started. Press Ctrl+C to exit.")
+    
+    while True:
+        # Reset the counter
+        reset_wind()
+        
+        # Wait for 3 seconds and count rotations
+        print("Measuring for 3 seconds...")
+        time.sleep(3)
+        
+        # Calculate and display wind speed
+        wind_speed = calc_speed(wind_count, 3)
+        print(f"Wind count: {wind_count} spins")
+        print(f"Wind speed: {wind_speed:.2f} mph ({wind_speed * 1.60934:.2f} km/h)")
+        
+except KeyboardInterrupt:
+    print("\nMeasurement stopped by user")