update

NPM/firmware_version.py

@@ -0,0 +1,64 @@
+'''
+Script to get NPM firmware version
+need parameter: port
+/usr/bin/python3 /var/www/nebuleair_pro_4g/NPM/firmware_version.py ttyAMA5
+'''
+
+import serial
+import requests
+import json
+import sys
+
+parameter = sys.argv[1:]  # Exclude the script name
+#print("Parameters received:")
+port='/dev/'+parameter[0]
+
+ser = serial.Serial(
+    port=port,
+    baudrate=115200,
+    parity=serial.PARITY_EVEN,
+    stopbits=serial.STOPBITS_ONE,
+    bytesize=serial.EIGHTBITS,
+    timeout = 1
+)
+
+ser.write(b'\x81\x17\x68')      #firmware version
+
+while True:
+    try:
+        byte_data = ser.readline()
+        formatted = ''.join(f'\\x{byte:02x}' for byte in byte_data)
+        #print(formatted)
+        
+        '''
+        la réponse est de type
+        \x81\x17\x00\x10\x46\x12
+        avec
+        \x81        address
+        \x17        command code
+        \x00        state
+        \x10\x46    firmware version
+        \x12        checksum
+        '''
+        # Extract byte 4 and byte 5
+        byte4 = byte_data[3]  # 4th byte (index 3)
+        byte5 = byte_data[4]  # 5th byte (index 4)
+        firmware_version = int(f"{byte4:02x}{byte5:02x}")
+
+
+        data = {
+            'firmware_version': firmware_version,
+        }
+        json_data = json.dumps(data)
+        print(json_data)
+        break
+    except KeyboardInterrupt:
+        print("User interrupt encountered. Exiting...")
+        time.sleep(3)
+        exit()
+    except:
+        # for all other kinds of error, but not specifying which one
+        print("Unknown error...")
+        time.sleep(3)
+        exit()
+

NPM/get_data.py

@@ -0,0 +1,75 @@
+'''
+  _   _ ____  __  __ 
+ | \ | |  _ \|  \/  |
+ |  \| | |_) | |\/| |
+ | |\  |  __/| |  | |
+ |_| \_|_|   |_|  |_|
+ 
+Script to get NPM values
+need parameter: port
+/usr/bin/python3 /var/www/nebuleair_pro_4g/NPM/get_data.py ttyAMA5
+'''
+
+import serial
+import requests
+import json
+import sys
+
+parameter = sys.argv[1:]  # Exclude the script name
+#print("Parameters received:")
+port='/dev/'+parameter[0]
+
+ser = serial.Serial(
+    port=port,
+    baudrate=115200,
+    parity=serial.PARITY_EVEN,
+    stopbits=serial.STOPBITS_ONE,
+    bytesize=serial.EIGHTBITS,
+    timeout = 1
+)
+
+ser.write(b'\x81\x11\x6E')      #data10s
+#ser.write(b'\x81\x12\x6D')      #data60s
+
+while True:
+    try:
+        byte_data = ser.readline()
+        #print(byte_data)
+        stateByte = int.from_bytes(byte_data[2:3], byteorder='big')
+        Statebits = [int(bit) for bit in bin(stateByte)[2:].zfill(8)]
+        PM1 = int.from_bytes(byte_data[9:11], byteorder='big')/10
+        PM25 = int.from_bytes(byte_data[11:13], byteorder='big')/10
+        PM10 = int.from_bytes(byte_data[13:15], byteorder='big')/10
+        #print(f"State: {Statebits}")
+        #print(f"PM1: {PM1}")
+        #print(f"PM25: {PM25}")
+        #print(f"PM10: {PM10}")
+        #create JSON
+        data = {
+            'capteurID': 'nebuleairpro1',
+            'sondeID':'USB2',
+            'PM1': PM1,
+            'PM25': PM25,
+            'PM10': PM10,
+            'sleep' : Statebits[0],
+            'degradedState' : Statebits[1],
+            'notReady' : Statebits[2],
+            'heatError' : Statebits[3],
+            't_rhError' : Statebits[4],
+            'fanError' : Statebits[5],
+            'memoryError' : Statebits[6],
+            'laserError' : Statebits[7]
+        }
+        json_data = json.dumps(data)
+        print(json_data)
+        break
+    except KeyboardInterrupt:
+        print("User interrupt encountered. Exiting...")
+        time.sleep(3)
+        exit()
+    except:
+        # for all other kinds of error, but not specifying which one
+        print("Unknown error...")
+        time.sleep(3)
+        exit()
+

NPM/get_data_modbus.py

@@ -0,0 +1,137 @@
+'''
+  _   _ ____  __  __ 
+ | \ | |  _ \|  \/  |
+ |  \| | |_) | |\/| |
+ | |\  |  __/| |  | |
+ |_| \_|_|   |_|  |_|
+
+Script to get NPM data via Modbus
+need parameter: port
+/usr/bin/python3 /var/www/nebuleair_pro_4g/NPM/get_data_modbus.py
+
+Modbus RTU
+[Slave Address][Function Code][Starting Address][Quantity of Registers][CRC]
+
+Pour récupérer les 5 cannaux (a partir du registre 0x80)
+Donnée actualisée toutes les 10 secondes
+
+Request
+\x01\x03\x00\x80\x00\x0A\xE4\x1E
+
+\x01        Slave Address (slave device address)
+\x03        Function code (read multiple holding registers)
+\x00\x80    Starting Address (The request starts reading from holding register address 0x80 or 128)
+\x00\x0A    Quantity of Registers (Requests to read 0x0A or 10 consecutive registers starting from address 128)
+\xE4\x1E    Cyclic Redundancy Check (checksum )
+
+'''
+
+import serial
+import requests
+import json
+import sys
+import crcmod
+import sqlite3
+
+# Connect to the SQLite database
+conn = sqlite3.connect("/var/www/nebuleair_pro_4g/sqlite/sensors.db")
+cursor = conn.cursor()
+
+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 {}
+
+# Load the configuration data
+config_file = '/var/www/nebuleair_pro_4g/config.json'
+config = load_config(config_file)
+npm_solo_port = config.get('NPM_solo_port', '')  #port du NPM solo
+
+ser = serial.Serial(
+    port=npm_solo_port,
+    baudrate=115200,
+    parity=serial.PARITY_EVEN,
+    stopbits=serial.STOPBITS_ONE,
+    bytesize=serial.EIGHTBITS,
+    timeout = 0.5
+)
+
+# Define Modbus CRC-16 function
+crc16 = crcmod.predefined.mkPredefinedCrcFun('modbus')
+
+# Request frame without CRC
+data = b'\x01\x03\x00\x80\x00\x0A'
+
+# Calculate CRC
+crc = crc16(data)
+crc_low = crc & 0xFF
+crc_high = (crc >> 8) & 0xFF
+
+# Append CRC to the frame
+request = data + bytes([crc_low, crc_high])
+#print(f"Request frame: {request.hex()}")
+
+ser.write(request)
+
+#GET RTC TIME from SQlite
+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'
+
+while True:
+    try:
+        byte_data = ser.readline()
+        formatted = ''.join(f'\\x{byte:02x}' for byte in byte_data)
+        #print(formatted)
+
+        # Extract LSW (first 2 bytes) and MSW (last 2 bytes)
+        lsw_channel1 = int.from_bytes(byte_data[3:5], byteorder='big')  
+        msw_chanel1 = int.from_bytes(byte_data[5:7], byteorder='big') 
+        raw_value_channel1 = (msw_chanel1 << 16) | lsw_channel1
+
+        lsw_channel2 = int.from_bytes(byte_data[7:9], byteorder='big') 
+        msw_chanel2 = int.from_bytes(byte_data[9:11], byteorder='big')  
+        raw_value_channel2 = (msw_chanel2 << 16) | lsw_channel2
+
+        lsw_channel3 = int.from_bytes(byte_data[11:13], byteorder='big')  
+        msw_chanel3 = int.from_bytes(byte_data[13:15], byteorder='big')  
+        raw_value_channel3 = (msw_chanel3 << 16) | lsw_channel3
+
+        lsw_channel4 = int.from_bytes(byte_data[15:17], byteorder='big')  
+        msw_chanel4 = int.from_bytes(byte_data[17:19], byteorder='big')  
+        raw_value_channel4 = (msw_chanel1 << 16) | lsw_channel4
+
+        lsw_channel5 = int.from_bytes(byte_data[19:21], byteorder='big')  
+        msw_chanel5 = int.from_bytes(byte_data[21:23], byteorder='big') 
+        raw_value_channel5 = (msw_chanel5 << 16) | lsw_channel5
+
+        print(f"Channel 1 (0.2->0.5): {raw_value_channel1}")
+        print(f"Channel 2 (0.5->1.0): {raw_value_channel2}")
+        print(f"Channel 3 (1.0->2.5): {raw_value_channel3}")
+        print(f"Channel 4 (2.5->5.0): {raw_value_channel4}")
+        print(f"Channel 5 (5.0->10.): {raw_value_channel5}")
+
+        cursor.execute('''
+        INSERT INTO data_NPM_5channels (timestamp,PM_ch1, PM_ch2, PM_ch3, PM_ch4, PM_ch5) VALUES (?,?,?,?,?,?)'''
+        , (rtc_time_str,raw_value_channel1,raw_value_channel2,raw_value_channel3,raw_value_channel4,raw_value_channel5))
+
+        # Commit and close the connection
+        conn.commit()
+
+
+        break
+    except KeyboardInterrupt:
+        print("User interrupt encountered. Exiting...")
+        time.sleep(3)
+        exit()
+    except:
+        # for all other kinds of error, but not specifying which one
+        print("Unknown error...")
+        time.sleep(3)
+        exit()
+
+conn.close()

NPM/get_data_modbus_v2.py

@@ -0,0 +1,188 @@
+'''
+  _   _ ____  __  __ 
+ | \ | |  _ \|  \/  |
+ |  \| | |_) | |\/| |
+ | |\  |  __/| |  | |
+ |_| \_|_|   |_|  |_|
+
+Script to get NPM data via Modbus
+need parameter: port
+/usr/bin/python3 /var/www/nebuleair_pro_4g/NPM/get_data_modbus_v2.py
+
+Modbus RTU
+[Slave Address][Function Code][Starting Address][Quantity of Registers][CRC]
+
+Pour récupérer
+ les concentrations en PM1, PM10 et PM2.5 (a partir du registre 0x38)
+ les 5 cannaux
+ la température et l'humidité à l'intérieur du capteur
+Donnée actualisée toutes les 10 secondes
+
+Request
+\x01\x03\x00\x38\x00\x55\...\...
+
+\x01        Slave Address (slave device address)
+\x03        Function code (read multiple holding registers)
+\x00\x38    Starting Address (The request starts reading from holding register address x38 or 56)
+\x00\x55    Quantity of Registers (Requests to read x55 or 85 consecutive registers starting from address 56)
+\...\...    Cyclic Redundancy Check (checksum )
+
+'''
+
+import serial
+import requests
+import json
+import sys
+import crcmod
+import sqlite3
+
+# Connect to the SQLite database
+conn = sqlite3.connect("/var/www/nebuleair_pro_4g/sqlite/sensors.db")
+cursor = conn.cursor()
+
+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 {}
+
+# Load the configuration data
+config_file = '/var/www/nebuleair_pro_4g/config.json'
+config = load_config(config_file)
+npm_solo_port = config.get('NPM_solo_port', '')  #port du NPM solo
+
+ser = serial.Serial(
+    port=npm_solo_port,
+    baudrate=115200,
+    parity=serial.PARITY_EVEN,
+    stopbits=serial.STOPBITS_ONE,
+    bytesize=serial.EIGHTBITS,
+    timeout = 2
+)
+
+# Define Modbus CRC-16 function
+crc16 = crcmod.predefined.mkPredefinedCrcFun('modbus')
+
+# Request frame without CRC
+data = b'\x01\x03\x00\x38\x00\x55'
+
+# Calculate CRC
+crc = crc16(data)
+crc_low = crc & 0xFF
+crc_high = (crc >> 8) & 0xFF
+
+# Append CRC to the frame
+request = data + bytes([crc_low, crc_high])
+#print(f"Request frame: {request.hex()}")
+
+ser.write(request)
+
+#GET RTC TIME from SQlite
+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'
+
+while True:
+    try:
+        byte_data = ser.readline()
+        formatted = ''.join(f'\\x{byte:02x}' for byte in byte_data)
+        print(formatted)
+
+        # Register base (56 = 0x38)
+        REGISTER_START = 56
+
+        # Function to extract 32-bit values from Modbus response
+        def extract_value(byte_data, register, scale=1, single_register=False, round_to=None):
+            """Extracts a value from Modbus response.
+            
+            - `register`: Modbus register to read.
+            - `scale`: Value is divided by this (e.g., `1000` for PM values).
+            - `single_register`: If `True`, only reads 16 bits (one register).
+            """
+            offset = (register - REGISTER_START) * 2 + 3  # Calculate byte offset
+
+            if single_register:
+                value = int.from_bytes(byte_data[offset:offset+2], byteorder='big')
+            else:
+                lsw = int.from_bytes(byte_data[offset:offset+2], byteorder='big')  
+                msw = int.from_bytes(byte_data[offset+2:offset+4], byteorder='big')  
+                value = (msw << 16) | lsw  # 32-bit value
+
+            value = value / scale  # Apply scaling
+
+            if round_to == 0:
+                return int(value)  # Convert to integer to remove .0
+            elif round_to is not None:
+                return round(value, round_to)  # Apply normal rounding
+            else:
+                return value  # No rounding if round_to is None
+
+        # 10-sec PM Concentration (PM1, PM2.5, PM10)
+        pm1_10s = extract_value(byte_data, 56, 1000, round_to=1)
+        pm25_10s = extract_value(byte_data, 58, 1000, round_to=1)
+        pm10_10s = extract_value(byte_data, 60, 1000, round_to=1)
+
+        print("10 sec concentration:")
+        print(f"PM1: {pm1_10s}")
+        print(f"PM2.5: {pm25_10s}")
+        print(f"PM10: {pm10_10s}")
+
+        # 1-min PM Concentration
+        pm1_1min = extract_value(byte_data, 68, 1000, round_to=1)
+        pm25_1min = extract_value(byte_data, 70, 1000, round_to=1)
+        pm10_1min = extract_value(byte_data, 72, 1000, round_to=1)
+
+        #print("1 min concentration:")
+        #print(f"PM1: {pm1_1min}")
+        #print(f"PM2.5: {pm25_1min}")
+        #print(f"PM10: {pm10_1min}")
+
+        # Extract values for 5 channels
+        channel_1 = extract_value(byte_data, 128,  round_to=0)  # 0.2 - 0.5μm
+        channel_2 = extract_value(byte_data, 130,  round_to=0)  # 0.5 - 1.0μm
+        channel_3 = extract_value(byte_data, 132,  round_to=0)  # 1.0 - 2.5μm
+        channel_4 = extract_value(byte_data, 134,  round_to=0)  # 2.5 - 5.0μm
+        channel_5 = extract_value(byte_data, 136,  round_to=0)  # 5.0 - 10.0μm
+
+        print(f"Channel 1 (0.2->0.5): {channel_1}")
+        print(f"Channel 2 (0.5->1.0): {channel_2}")
+        print(f"Channel 3 (1.0->2.5): {channel_3}")
+        print(f"Channel 4 (2.5->5.0): {channel_4}")
+        print(f"Channel 5 (5.0->10.): {channel_5}")
+
+        
+        # Retrieve relative humidity from register 106 (0x6A)
+        relative_humidity = extract_value(byte_data, 106, 100, single_register=True)
+        #print(f"Internal Relative Humidity: {relative_humidity} %")
+        # Retrieve temperature from register 106 (0x6A)
+        temperature = extract_value(byte_data, 107, 100, single_register=True)
+        #print(f"Internal temperature: {temperature} °C")
+
+        cursor.execute('''
+        INSERT INTO data_NPM_5channels (timestamp,PM_ch1, PM_ch2, PM_ch3, PM_ch4, PM_ch5) VALUES (?,?,?,?,?,?)'''
+        , (rtc_time_str,channel_1,channel_2,channel_3,channel_4,channel_5))
+
+        cursor.execute('''
+        INSERT INTO data_NPM (timestamp,PM1, PM25, PM10, temp_npm, hum_npm) VALUES (?,?,?,?,?,?)'''
+        , (rtc_time_str,pm1_10s,pm25_10s,pm10_10s,temperature,relative_humidity  ))
+
+
+        # Commit and close the connection
+        conn.commit()
+
+
+        break
+    except KeyboardInterrupt:
+        print("User interrupt encountered. Exiting...")
+        time.sleep(3)
+        exit()
+    except:
+        # for all other kinds of error, but not specifying which one
+        print("Unknown error...")
+        time.sleep(3)
+        exit()
+
+conn.close()

NPM/get_data_modbus_v3.py

@@ -0,0 +1,179 @@
+'''
+  _   _ ____  __  __ 
+ | \ | |  _ \|  \/  |
+ |  \| | |_) | |\/| |
+ | |\  |  __/| |  | |
+ |_| \_|_|   |_|  |_|
+
+Script to get NPM data via Modbus
+
+Improved version with data stream lenght check
+
+/usr/bin/python3 /var/www/nebuleair_pro_4g/NPM/get_data_modbus_v3.py
+
+Modbus RTU
+[Slave Address][Function Code][Starting Address][Quantity of Registers][CRC]
+
+Pour récupérer
+ les concentrations en PM1, PM10 et PM2.5 (a partir du registre 0x38)
+ les 5 cannaux
+ la température et l'humidité à l'intérieur du capteur
+Donnée actualisée toutes les 10 secondes
+
+Request
+\x01\x03\x00\x38\x00\x55\...\...
+
+\x01        Slave Address (slave device address)
+\x03        Function code (read multiple holding registers)
+\x00\x38    Starting Address (The request starts reading from holding register address x38 or 56)
+\x00\x55    Quantity of Registers (Requests to read x55 or 85 consecutive registers starting from address 56)
+\...\...    Cyclic Redundancy Check (checksum )
+
+'''
+import serial
+import requests
+import json
+import sys
+import crcmod
+import sqlite3
+import time
+
+# Connect to the SQLite database
+conn = sqlite3.connect("/var/www/nebuleair_pro_4g/sqlite/sensors.db")
+cursor = conn.cursor()
+
+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 {}
+
+# Load the configuration data
+config_file = '/var/www/nebuleair_pro_4g/config.json'
+config = load_config(config_file)
+npm_solo_port = config.get('NPM_solo_port', '')  #port du NPM solo
+
+#GET RTC TIME from SQlite
+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'
+
+# Initialize serial port
+ser = serial.Serial(
+    port=npm_solo_port,
+    baudrate=115200,
+    parity=serial.PARITY_EVEN,
+    stopbits=serial.STOPBITS_ONE,
+    bytesize=serial.EIGHTBITS,
+    timeout=2
+)
+
+# Define Modbus CRC-16 function
+crc16 = crcmod.predefined.mkPredefinedCrcFun('modbus')
+
+# Request frame without CRC
+data = b'\x01\x03\x00\x38\x00\x55'
+
+# Calculate and append CRC
+crc = crc16(data)
+crc_low = crc & 0xFF
+crc_high = (crc >> 8) & 0xFF
+request = data + bytes([crc_low, crc_high])
+
+# Clear serial buffer before sending
+ser.flushInput()
+
+# Send request
+ser.write(request)
+time.sleep(0.2)  # Wait for sensor to respond
+
+# Read response
+response_length = 2 + 1 + (2 * 85) + 2  # Address + Function + Data + CRC
+byte_data = ser.read(response_length)
+
+# Validate response length
+if len(byte_data) < response_length:
+    print("[ERROR] Incomplete response received:", byte_data.hex())
+    exit()
+
+# Verify CRC
+received_crc = int.from_bytes(byte_data[-2:], byteorder='little')
+calculated_crc = crc16(byte_data[:-2])
+
+if received_crc != calculated_crc:
+    print("[ERROR] CRC check failed! Corrupted data received.")
+    exit()
+
+# Convert response to hex for debugging
+formatted = ''.join(f'\\x{byte:02x}' for byte in byte_data)
+#print("Response:", formatted)
+
+# Extract and print PM values
+def extract_value(byte_data, register, scale=1, single_register=False, round_to=None):
+    REGISTER_START = 56
+    offset = (register - REGISTER_START) * 2 + 3
+
+    if single_register:
+        value = int.from_bytes(byte_data[offset:offset+2], byteorder='big')
+    else:
+        lsw = int.from_bytes(byte_data[offset:offset+2], byteorder='big')  
+        msw = int.from_bytes(byte_data[offset+2:offset+4], byteorder='big')  
+        value = (msw << 16) | lsw
+
+    value = value / scale
+
+    if round_to == 0:
+        return int(value)
+    elif round_to is not None:
+        return round(value, round_to)
+    else:
+        return value
+
+pm1_10s = extract_value(byte_data, 56, 1000, round_to=1)
+pm25_10s = extract_value(byte_data, 58, 1000, round_to=1)
+pm10_10s = extract_value(byte_data, 60, 1000, round_to=1)
+
+#print("10 sec concentration:")
+#print(f"PM1: {pm1_10s}")
+#print(f"PM2.5: {pm25_10s}")
+#print(f"PM10: {pm10_10s}")
+
+# Extract values for 5 channels
+channel_1 = extract_value(byte_data, 128,  round_to=0)  # 0.2 - 0.5μm
+channel_2 = extract_value(byte_data, 130,  round_to=0)  # 0.5 - 1.0μm
+channel_3 = extract_value(byte_data, 132,  round_to=0)  # 1.0 - 2.5μm
+channel_4 = extract_value(byte_data, 134,  round_to=0)  # 2.5 - 5.0μm
+channel_5 = extract_value(byte_data, 136,  round_to=0)  # 5.0 - 10.0μm
+
+#print(f"Channel 1 (0.2->0.5): {channel_1}")
+#print(f"Channel 2 (0.5->1.0): {channel_2}")
+#print(f"Channel 3 (1.0->2.5): {channel_3}")
+#print(f"Channel 4 (2.5->5.0): {channel_4}")
+#print(f"Channel 5 (5.0->10.): {channel_5}")
+
+        
+# Retrieve relative humidity from register 106 (0x6A)
+relative_humidity = extract_value(byte_data, 106, 100, single_register=True)
+# Retrieve temperature from register 106 (0x6A)
+temperature = extract_value(byte_data, 107, 100, single_register=True)
+
+#print(f"Internal Relative Humidity: {relative_humidity} %")
+#print(f"Internal temperature: {temperature} °C")
+
+
+
+cursor.execute('''
+INSERT INTO data_NPM_5channels (timestamp,PM_ch1, PM_ch2, PM_ch3, PM_ch4, PM_ch5) VALUES (?,?,?,?,?,?)'''
+, (rtc_time_str,channel_1,channel_2,channel_3,channel_4,channel_5))
+
+cursor.execute('''
+INSERT INTO data_NPM (timestamp,PM1, PM25, PM10, temp_npm, hum_npm) VALUES (?,?,?,?,?,?)'''
+, (rtc_time_str,pm1_10s,pm25_10s,pm10_10s,temperature,relative_humidity  ))
+
+# Commit and close the connection
+conn.commit()
+
+conn.close()

NPM/get_data_temp_hum.py

@@ -0,0 +1,52 @@
+'''
+  _   _ ____  __  __ 
+ | \ | |  _ \|  \/  |
+ |  \| | |_) | |\/| |
+ | |\  |  __/| |  | |
+ |_| \_|_|   |_|  |_|
+ 
+Script to get NPM values: ONLY temp and hum
+need parameter: port
+/usr/bin/python3 /var/www/nebuleair_pro_4g/NPM/get_data_temp_hum.py ttyAMA5
+'''
+
+import serial
+import requests
+import json
+import sys
+
+parameter = sys.argv[1:]  # Exclude the script name
+#print("Parameters received:")
+port='/dev/'+parameter[0]
+
+ser = serial.Serial(
+    port=port,
+    baudrate=115200,
+    parity=serial.PARITY_EVEN,
+    stopbits=serial.STOPBITS_ONE,
+    bytesize=serial.EIGHTBITS,
+    timeout = 1
+)
+
+ser.write(b'\x81\x14\x6B')  # Temp and humidity command
+
+while True:
+    try:
+        byte_data_temp_hum = ser.readline()
+        # Decode temperature and humidity values
+        temperature = int.from_bytes(byte_data_temp_hum[3:5], byteorder='big') / 100.0
+        humidity = int.from_bytes(byte_data_temp_hum[5:7], byteorder='big') / 100.0
+
+        print(f"temp: {temperature}")
+        print(f"hum: {humidity}")
+        break
+    except KeyboardInterrupt:
+        print("User interrupt encountered. Exiting...")
+        time.sleep(3)
+        exit()
+    except:
+        # for all other kinds of error, but not specifying which one
+        print("Unknown error...")
+        time.sleep(3)
+        exit()
+

NPM/get_data_v2.py

@@ -0,0 +1,104 @@
+'''
+  _   _ ____  __  __ 
+ | \ | |  _ \|  \/  |
+ |  \| | |_) | |\/| |
+ | |\  |  __/| |  | |
+ |_| \_|_|   |_|  |_|
+                                     
+Script to get NPM values (PM1, PM2.5 and PM10)
+PM and the sensor temp/hum
+And store them inside sqlite database
+Uses RTC module for timing (from SQLite db)
+/usr/bin/python3 /var/www/nebuleair_pro_4g/NPM/get_data_v2.py
+'''
+
+import serial
+import requests
+import json
+import sys
+import sqlite3
+import smbus2
+import time
+from datetime import datetime
+
+# Connect to the SQLite database
+conn = sqlite3.connect("/var/www/nebuleair_pro_4g/sqlite/sensors.db")
+cursor = conn.cursor()
+
+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 {}
+
+# Load the configuration data
+config_file = '/var/www/nebuleair_pro_4g/config.json'
+config = load_config(config_file)
+npm_solo_port = config.get('NPM_solo_port', '')  #port du NPM solo
+
+ser = serial.Serial(
+    port=npm_solo_port,
+    baudrate=115200,
+    parity=serial.PARITY_EVEN,
+    stopbits=serial.STOPBITS_ONE,
+    bytesize=serial.EIGHTBITS,
+    timeout = 0.5
+)
+
+# 1️⃣ Request PM Data (PM1, PM2.5, PM10)
+
+#ser.write(b'\x81\x11\x6E')      #data10s
+ser.write(b'\x81\x12\x6D')      #data60s
+time.sleep(0.5)  # Small delay to allow the sensor to process the request
+
+#print("Start get_data_v2.py script")
+byte_data = ser.readline()
+#print(byte_data)
+stateByte = int.from_bytes(byte_data[2:3], byteorder='big')
+Statebits = [int(bit) for bit in bin(stateByte)[2:].zfill(8)]
+PM1 = int.from_bytes(byte_data[9:11], byteorder='big')/10
+PM25 = int.from_bytes(byte_data[11:13], byteorder='big')/10
+PM10 = int.from_bytes(byte_data[13:15], byteorder='big')/10
+
+# 2️⃣ Request Temperature & Humidity
+ser.write(b'\x81\x14\x6B')  # Temp and humidity command
+time.sleep(0.5)  # Small delay to allow the sensor to process the request
+byte_data_temp_hum = ser.readline()
+
+# Decode temperature and humidity values
+temperature = int.from_bytes(byte_data_temp_hum[3:5], byteorder='big') / 100.0
+humidity = int.from_bytes(byte_data_temp_hum[5:7], byteorder='big') / 100.0
+
+#print(f"State: {Statebits}")
+#print(f"PM1: {PM1}")
+#print(f"PM25: {PM25}")
+#print(f"PM10: {PM10}")
+#print(f"temp: {temperature}")
+#print(f"hum: {humidity}")
+
+#GET RTC TIME from SQlite
+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'
+
+#save to sqlite database
+try:
+    cursor.execute('''
+    INSERT INTO data_NPM (timestamp,PM1, PM25, PM10, temp_npm, hum_npm) VALUES (?,?,?,?,?,?)'''
+    , (rtc_time_str,PM1,PM25,PM10,temperature,humidity  ))
+
+    # Commit and close the connection
+    conn.commit()
+
+    #print("Sensor data saved successfully!")
+
+except Exception as e:
+    print(f"Database error: {e}")    
+
+
+conn.close()
+
+

NPM/old/get_data_modbus_loop.py

@@ -0,0 +1,172 @@
+'''
+Loop to run every minutes
+
+* * * * * /usr/bin/python3 /var/www/nebuleair_pro_4g/NPM/get_data_modbus_loop.py ttyAMA5
+
+saves data (avaerage) to a json file /var/www/nebuleair_pro_4g/NPM/data/data.json
+saves data (all) to a sqlite database
+
+first time running the script?
+sudo mkdir /var/www/nebuleair_pro_4g/NPM/data
+sudo touch /var/www/nebuleair_pro_4g/NPM/data/data.json
+'''
+
+import serial
+import sys
+import crcmod
+import time
+import json
+import os
+import sqlite3
+import smbus2  # For RTC DS3231
+from datetime import datetime
+
+
+# Ensure a port argument is provided
+if len(sys.argv) < 2:
+    print("Usage: python3 get_data_modbus.py <serial_port>")
+    sys.exit(1)
+
+port = '/dev/' + sys.argv[1]
+
+# Initialize serial communication
+try:
+    ser = serial.Serial(
+        port=port,
+        baudrate=115200,
+        parity=serial.PARITY_EVEN,
+        stopbits=serial.STOPBITS_ONE,
+        bytesize=serial.EIGHTBITS,
+        timeout=0.5
+    )
+except Exception as e:
+    print(f"Error opening serial port {port}: {e}")
+    sys.exit(1)
+
+# Define Modbus CRC-16 function
+crc16 = crcmod.predefined.mkPredefinedCrcFun('modbus')
+
+# Request frame without CRC
+data = b'\x01\x03\x00\x80\x00\x0A'
+
+# Calculate CRC
+crc = crc16(data)
+crc_low = crc & 0xFF
+crc_high = (crc >> 8) & 0xFF
+
+# Append CRC to the frame
+request = data + bytes([crc_low, crc_high])
+
+# Log request frame
+print(f"Request frame: {request.hex()}")
+
+# Initialize SQLite database
+conn = sqlite3.connect("/var/www/nebuleair_pro_4g/sqlite/sensors.db")
+cursor = conn.cursor()
+
+# RTC Module (DS3231) Setup
+RTC_I2C_ADDR = 0x68  # DS3231 I2C Address
+bus = smbus2.SMBus(1)
+
+def bcd_to_dec(bcd):
+    return (bcd // 16 * 10) + (bcd % 16)
+
+def get_rtc_time():
+    """Reads time from RTC module (DS3231)"""
+    try:
+        data = bus.read_i2c_block_data(RTC_I2C_ADDR, 0x00, 7)
+        seconds = bcd_to_dec(data[0] & 0x7F)
+        minutes = bcd_to_dec(data[1])
+        hours = 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 datetime(year, month, day, hours, minutes, seconds).strftime("%Y-%m-%d %H:%M:%S")
+    except Exception as e:
+        print(f"RTC Read Error: {e}")
+        return "N/A"
+
+# Initialize storage for averaging
+num_samples = 6
+channel_sums = [0] * 5  # 5 channels
+
+#do not start immediately to prevent multiple write/read over NPM serial port
+time.sleep(3)
+
+# Loop 6 times to collect data every 10 seconds
+for i in range(num_samples):
+    print(f"\nIteration {i+1}/{num_samples}")
+    ser.write(request)
+    rtc_timestamp = get_rtc_time()
+
+    try:
+        byte_data = ser.readline()
+        formatted = ''.join(f'\\x{byte:02x}' for byte in byte_data)
+        print(f"Raw Response: {formatted}")
+
+        if len(byte_data) < 23:
+            print("Incomplete response, skipping this sample.")
+            time.sleep(9)
+            continue
+
+        # Extract and process the 5 channels
+        channels = []
+        for j in range(5):
+            lsw = int.from_bytes(byte_data[3 + j*4 : 5 + j*4], byteorder='little')
+            msw = int.from_bytes(byte_data[5 + j*4 : 7 + j*4], byteorder='little')
+            raw_value = (msw << 16) | lsw
+            channels.append(raw_value)
+
+        # Accumulate sum for each channel
+        for j in range(5):
+            channel_sums[j] += channels[j]
+
+        # Print collected values
+        print(f"Timestamp (RTC): {rtc_timestamp}")
+        for j in range(5):
+            print(f"Channel {j+1}: {channels[j]}")
+
+        
+        # Save the individual reading to the database
+        cursor.execute('''
+        INSERT INTO data (timestamp, PM_ch1, PM_ch2, PM_ch3, PM_ch4, PM_ch5)
+        VALUES (?, ?, ?, ?, ?, ?)
+        ''', (rtc_timestamp, channels[0], channels[1], channels[2], channels[3], channels[4]))
+
+        conn.commit()
+
+    except Exception as e:
+        print(f"Error reading data: {e}")
+
+    # Wait 10 seconds before next reading
+    time.sleep(10)
+
+# Compute the average values
+channel_means = [int(s / num_samples) for s in channel_sums]
+
+# Create JSON structure
+data_json = {
+    "channel_1": channel_means[0],
+    "channel_2": channel_means[1],
+    "channel_3": channel_means[2],
+    "channel_4": channel_means[3],
+    "channel_5": channel_means[4]
+}
+
+# Print final JSON data
+print("\nFinal JSON Data (Averaged over 6 readings):")
+print(json.dumps(data_json, indent=4))
+
+# Define JSON file path
+output_file = "/var/www/nebuleair_pro_4g/NPM/data/data.json"
+
+# Write results to a JSON file
+try:
+    with open(output_file, "w") as f:
+        json.dump(data_json, f, indent=4)
+    print(f"\nAveraged JSON data saved to {output_file}")
+except Exception as e:
+    print(f"Error writing to file: {e}")
+
+# Close serial connection
+ser.close()

NPM/old/test_modbus.py

@@ -0,0 +1,126 @@
+'''
+  _   _ ____  __  __ 
+ | \ | |  _ \|  \/  |
+ |  \| | |_) | |\/| |
+ | |\  |  __/| |  | |
+ |_| \_|_|   |_|  |_|
+
+Script to get NPM data via Modbus
+need parameter: port
+/usr/bin/python3 /var/www/nebuleair_pro_4g/NPM/old/test_modbus.py
+
+Modbus RTU
+[Slave Address][Function Code][Starting Address][Quantity of Registers][CRC]
+
+Pour récupérer
+ les concentrations en PM1, PM10 et PM2.5 (a partir du registre 0x38)
+ les 5 cannaux
+Donnée actualisée toutes les 10 secondes
+
+Request
+\x01\x03\x00\x38\x00\x55\...\...
+
+\x01        Slave Address (slave device address)
+\x03        Function code (read multiple holding registers)
+\x00\x38    Starting Address (The request starts reading from holding register address x38 or 56)
+\x00\x55    Quantity of Registers (Requests to read x55 or 85 consecutive registers starting from address 56)
+\...\...    Cyclic Redundancy Check (checksum )
+
+'''
+
+import serial
+import requests
+import json
+import sys
+import crcmod
+import sqlite3
+
+# Connect to the SQLite database
+conn = sqlite3.connect("/var/www/nebuleair_pro_4g/sqlite/sensors.db")
+cursor = conn.cursor()
+
+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 {}
+
+# Load the configuration data
+config_file = '/var/www/nebuleair_pro_4g/config.json'
+config = load_config(config_file)
+npm_solo_port = config.get('NPM_solo_port', '')  #port du NPM solo
+
+ser = serial.Serial(
+    port=npm_solo_port,
+    baudrate=115200,
+    parity=serial.PARITY_EVEN,
+    stopbits=serial.STOPBITS_ONE,
+    bytesize=serial.EIGHTBITS,
+    timeout = 0.5
+)
+
+# Define Modbus CRC-16 function
+crc16 = crcmod.predefined.mkPredefinedCrcFun('modbus')
+
+# Request frame without CRC
+data = b'\x01\x03\x00\x44\x00\x06'
+
+# Calculate CRC
+crc = crc16(data)
+crc_low = crc & 0xFF
+crc_high = (crc >> 8) & 0xFF
+
+# Append CRC to the frame
+request = data + bytes([crc_low, crc_high])
+#print(f"Request frame: {request.hex()}")
+
+ser.write(request)
+
+while True:
+    try:
+        byte_data = ser.readline()
+        formatted = ''.join(f'\\x{byte:02x}' for byte in byte_data)
+        print(formatted)
+
+        if len(byte_data) < 14:
+            print(f"Error: Received {len(byte_data)} bytes, expected 14!")
+            continue
+
+        #10 secs concentration
+
+        lsw_pm1 = int.from_bytes(byte_data[3:5], byteorder='big')  
+        msw_pm1 = int.from_bytes(byte_data[5:7], byteorder='big') 
+        raw_value_pm1 = (msw_pm1 << 16) | lsw_pm1
+        raw_value_pm1 = raw_value_pm1 / 1000
+
+        lsw_pm25 = int.from_bytes(byte_data[7:9], byteorder='big')  
+        msw_pm25 = int.from_bytes(byte_data[9:11], byteorder='big') 
+        raw_value_pm25 = (msw_pm25 << 16) | lsw_pm25
+        raw_value_pm25 = raw_value_pm25 / 1000
+
+
+        lsw_pm10 = int.from_bytes(byte_data[11:13], byteorder='big')  
+        msw_pm10 = int.from_bytes(byte_data[13:15], byteorder='big') 
+        raw_value_pm10 = (msw_pm10 << 16) | lsw_pm10
+        raw_value_pm10 = raw_value_pm10 / 1000
+
+        print("1 min")
+        print(f"PM1: {raw_value_pm1}")
+        print(f"PM2.5: {raw_value_pm25}")
+        print(f"PM10: {raw_value_pm10}")
+
+        break
+    except KeyboardInterrupt:
+        print("User interrupt encountered. Exiting...")
+        time.sleep(3)
+        exit()
+    except:
+        # for all other kinds of error, but not specifying which one
+        print("Unknown error...")
+        time.sleep(3)
+        exit()
+
+conn.close()