616 lines
24 KiB
Python
Executable File
616 lines
24 KiB
Python
Executable File
"""
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Main loop to gather data from sensor:
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* NPM
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* Envea
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* I2C BME280
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* Noise sensor
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and send it to AirCarto servers via SARA R4 HTTP post requests
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CSV PAYLOAD (AirCarto Servers)
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Endpoint:
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data.nebuleair.fr
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/pro_4G/data.php?sensor_id={device_id}
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ATTENTION : do not change order !
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{PM1},{PM25},{PM10},{temp},{hum},{press},{avg_noise},{max_noise},{min_noise},{envea_no2},{envea_h2s},{envea_o3},{4g_signal_quality}
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0 -> PM1
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1 -> PM25
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2 -> PM10
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3 -> temp
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4 -> hum
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5 -> press
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6 -> avg_noise
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7 -> max_noise
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8 -> min_noise
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9 -> envea_no2
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10 -> envea_h2s
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11 -> envea_o3
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12 -> 4G signal quality
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JSON PAYLOAD (Micro-Spot Servers)
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Same as NebuleAir wifi
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Endpoint:
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api-prod.uspot.probesys.net
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nebuleair?token=2AFF6dQk68daFZ
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port 443
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{"nebuleairid": "82D25549434",
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"software_version": "ModuleAirV2-V1-042022",
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"sensordatavalues":
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[
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{"value_type":"NPM_P0","value":"1.54"},
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{"value_type":"NPM_P1","value":"1.54"},
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{"value_type":"NPM_P2","value":"1.54"},
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{"value_type":"NPM_N1","value":"0.02"},
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{"value_type":"NPM_N10","value":"0.02"},
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{"value_type":"NPM_N25","value":"0.02"},
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{"value_type":"MHZ16_CO2","value":"793.00"},
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{"value_type":"SGP40_VOC","value":"29915.00"},
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{"value_type":"samples","value":"134400"},
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{"value_type":"min_micro","value":"137"},
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{"value_type":"max_micro","value":"155030"},
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{"value_type":"interval","value":"145000"},
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{"value_type":"signal","value":"-80"},
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{"value_type":"latitude","value":"43.2964"},
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{"value_type":"longitude","value":"5.36978"},
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{"value_type":"state_npm","value":"State: 00000000"},
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{"value_type":"th_npm","value":"28.47 / 37.54"},
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{"value_type":"CAIRSENS_NO2","value":"54"},
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{"value_type":"CAIRSENS_H2S","value":"54"},
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]
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}
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"""
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import board
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import json
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import serial
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import time
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import busio
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import re
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import os
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import traceback
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import RPi.GPIO as GPIO
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from adafruit_bme280 import basic as adafruit_bme280
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# Record the start time of the script
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start_time_script = time.time()
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# Check system uptime
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with open('/proc/uptime', 'r') as f:
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uptime_seconds = float(f.readline().split()[0])
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# Skip execution if uptime is less than 2 minutes (120 seconds)
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if uptime_seconds < 120:
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print("System just booted, skipping execution.")
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exit()
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url_nebuleair="data.nebuleair.fr"
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payload_csv = [None] * 20
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payload_json = {
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"nebuleairid": "82D25549434",
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"software_version": "ModuleAirV2-V1-042022",
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"sensordatavalues": [] # Empty list to start with
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}
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# Set up GPIO mode (for Blue LED: network status)
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GPIO.setwarnings(False)
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GPIO.setmode(GPIO.BCM) # Use Broadcom pin numbering
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GPIO.setup(23, GPIO.OUT) # Set GPIO23 as an output pin
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#get data from config
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def load_config(config_file):
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try:
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with open(config_file, 'r') as file:
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config_data = json.load(file)
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return config_data
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except Exception as e:
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print(f"Error loading config file: {e}")
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return {}
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#Fonction pour mettre à jour le JSON de configuration
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def update_json_key(file_path, key, value):
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"""
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Updates a specific key in a JSON file with a new value.
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:param file_path: Path to the JSON file.
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:param key: The key to update in the JSON file.
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:param value: The new value to assign to the key.
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"""
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try:
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# Load the existing data
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with open(file_path, "r") as file:
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data = json.load(file)
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# Check if the key exists in the JSON file
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if key in data:
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data[key] = value # Update the key with the new value
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else:
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print(f"Key '{key}' not found in the JSON file.")
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return
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# Write the updated data back to the file
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with open(file_path, "w") as file:
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json.dump(data, file, indent=2) # Use indent for pretty printing
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print(f"updating '{key}' to '{value}'.")
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except Exception as e:
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print(f"Error updating the JSON file: {e}")
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# Define the config file path
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config_file = '/var/www/nebuleair_pro_4g/config.json'
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# Load the configuration data
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config = load_config(config_file)
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baudrate = config.get('SaraR4_baudrate', 115200) #baudrate du sara R4
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device_id = config.get('deviceID', '').upper() #device ID en maj
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need_to_log = config.get('loop_log', False) #inscription des logs
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bme_280_config = config.get('i2c_BME', False) #présence du BME280
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i2C_sound_config = config.get('i2C_sound', False) #présence du capteur son
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send_aircarto = config.get('send_aircarto', True) #envoi sur AirCarto (data.nebuleair.fr)
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send_uSpot = config.get('send_uSpot', False) #envoi sur MicroSpot ()
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envea_sondes = config.get('envea_sondes', [])
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connected_envea_sondes = [sonde for sonde in envea_sondes if sonde.get('connected', False)]
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selected_networkID = config.get('SARA_R4_neworkID', '')
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#update device id in the payload json
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payload_json["nebuleairid"] = device_id
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ser_sara = serial.Serial(
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port='/dev/ttyAMA2',
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baudrate=baudrate, #115200 ou 9600
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parity=serial.PARITY_NONE, #PARITY_NONE, PARITY_EVEN or PARITY_ODD
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stopbits=serial.STOPBITS_ONE,
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bytesize=serial.EIGHTBITS,
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timeout = 2
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)
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ser_NPM = serial.Serial(
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port='/dev/ttyAMA5',
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baudrate=115200,
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parity=serial.PARITY_EVEN,
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stopbits=serial.STOPBITS_ONE,
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bytesize=serial.EIGHTBITS,
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timeout = 1
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)
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serial_connections = {}
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# Sondes Envea
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if connected_envea_sondes:
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# Pour chacune des sondes
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for device in connected_envea_sondes:
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port = device.get('port', 'Unknown')
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name = device.get('name', 'Unknown')
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connected = device.get('connected', False)
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serial_connections[name] = serial.Serial(
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port=f'/dev/{port}', # Format the port string
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baudrate=9600,
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parity=serial.PARITY_NONE,
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stopbits=serial.STOPBITS_ONE,
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bytesize=serial.EIGHTBITS,
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timeout = 1
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)
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def read_complete_response(serial_connection, timeout=2, end_of_response_timeout=2, wait_for_line=None):
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response = bytearray()
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serial_connection.timeout = timeout
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end_time = time.time() + end_of_response_timeout
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start_time = time.time()
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while True:
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elapsed_time = time.time() - start_time # Time since function start
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if serial_connection.in_waiting > 0:
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data = serial_connection.read(serial_connection.in_waiting)
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response.extend(data)
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end_time = time.time() + end_of_response_timeout # Reset timeout on new data
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# Decode and check for the specific line
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if wait_for_line:
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decoded_response = response.decode('utf-8', errors='replace')
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if wait_for_line in decoded_response:
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print(f"[DEBUG] 🔎Found target line: {wait_for_line}")
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break
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elif time.time() > end_time:
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print(f"[DEBUG] Timeout reached. No more data received.")
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break
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time.sleep(0.1) # Short sleep to prevent busy waiting
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# Final response and debug output
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total_elapsed_time = time.time() - start_time
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print(f"[DEBUG] ⏱️ elapsed time: {total_elapsed_time:.2f}s. ⏱️")
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return response.decode('utf-8', errors='replace')
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# Open and read the JSON file
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try:
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# Send the command to request data (e.g., data for 60 seconds)
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print('<h3>START LOOP</h3>')
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print("Getting NPM values")
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ser_NPM.write(b'\x81\x12\x6D')
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# Read the response
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byte_data = ser_NPM.readline()
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#if npm is disconnected byte_data is empty
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# Extract the state byte and PM data from the response
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state_byte = int.from_bytes(byte_data[2:3], byteorder='big')
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state_bits = [int(bit) for bit in bin(state_byte)[2:].zfill(8)]
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PM1 = int.from_bytes(byte_data[9:11], byteorder='big') / 10
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PM25 = int.from_bytes(byte_data[11:13], byteorder='big') / 10
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PM10 = int.from_bytes(byte_data[13:15], byteorder='big') / 10
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#Add data to payload CSV
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payload_csv[0] = PM1
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payload_csv[1] = PM25
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payload_csv[2] = PM10
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#Add data to payload JSON
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payload_json["sensordatavalues"].append({"value_type": "NPM_P0", "value": str(PM1)})
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payload_json["sensordatavalues"].append({"value_type": "NPM_P1", "value": str(PM10)})
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payload_json["sensordatavalues"].append({"value_type": "NPM_P2", "value": str(PM25)})
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# Sonde BME280 connected
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if bme_280_config:
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print("Getting BME280 values")
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#on récupère les infos du BME280 et on les ajoute au payload_csv
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i2c = busio.I2C(board.SCL, board.SDA)
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bme280 = adafruit_bme280.Adafruit_BME280_I2C(i2c, address=0x76)
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bme280.sea_level_pressure = 1013.25 # Update this value for your location
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payload_csv[3] = round(bme280.temperature, 2)
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payload_csv[4] = round(bme280.humidity, 2)
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payload_csv[5] = round(bme280.pressure, 2)
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# Sonde Bruit connected
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if i2C_sound_config:
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#on récupère les infos de sound_metermoving et on les ajoute au message
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file_path_data_noise = "/var/www/nebuleair_pro_4g/sound_meter/moving_avg_minute.txt"
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# Read the file and extract the numbers
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try:
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with open(file_path_data_noise, "r") as file:
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content = file.read().strip()
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avg_noise, max_noise, min_noise = map(int, content.split())
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# Append the variables to the payload_csv
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payload_csv[6] = avg_noise
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payload_csv[7] = max_noise
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payload_csv[8] = min_noise
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except FileNotFoundError:
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print(f"Error: File {file_path} not found.")
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except ValueError:
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print("Error: File content is not valid numbers.")
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# Sondes Envea
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if connected_envea_sondes:
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# Pour chacune des sondes
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for device in connected_envea_sondes:
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port = device.get('port', 'Unknown')
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name = device.get('name', 'Unknown')
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coefficient = device.get('coefficient', 'Unknown')
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print(f"Connected envea Sonde: {name} on port {port} and coefficient {coefficient} ")
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if name in serial_connections:
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serial_connection = serial_connections[name]
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try:
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# Write data to the device
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serial_connection.write(
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b"\xFF\x02\x13\x30\x01\x02\x03\x04\x05\x06\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x12\xAF\x88\x03"
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)
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# Read data from the device
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data_envea = serial_connection.readline()
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if len(data_envea) >= 20:
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byte_20 = data_envea[19]
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byte_20 = byte_20 * coefficient
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# Update payload CSV based on device type
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if name == "h2s":
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payload_csv[10] = byte_20
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if name == "no2":
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payload_csv[9] = byte_20
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if name == "o3":
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payload_csv[11] = byte_20
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print(f"Data from envea {name}: {byte_20}")
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else:
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print(f"Données reçues insuffisantes pour {name} pour extraire le 20ème octet.")
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except serial.SerialException as e:
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print(f"Error communicating with {name}: {e}")
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else:
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print(f"No serial connection for {name}")
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# Getting the LTE Signal
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print("-> Getting LTE signal <-")
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ser_sara.write(b'AT+CSQ\r')
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response2 = read_complete_response(ser_sara, wait_for_line="OK")
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print('<p class="text-danger-emphasis">')
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print(response2)
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print("</p>")
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match = re.search(r'\+CSQ:\s*(\d+),', response2)
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if match:
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signal_quality = match.group(1)
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print("Signal Quality:", signal_quality)
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payload_csv[12]=signal_quality
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time.sleep(1)
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#print(payload_json)
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'''
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SEND TO AIRCARTO
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'''
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# Write Data to saraR4
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# 1. Open sensordata_csv.json (with correct data size)
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csv_string = ','.join(str(value) if value is not None else '' for value in payload_csv)
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size_of_string = len(csv_string)
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print("Open JSON:")
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command = f'AT+UDWNFILE="sensordata_csv.json",{size_of_string}\r'
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ser_sara.write(command.encode('utf-8'))
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response_SARA_1 = read_complete_response(ser_sara, wait_for_line=">")
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print(response_SARA_1)
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time.sleep(1)
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#2. Write to shell
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print("Write data to memory:")
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ser_sara.write(csv_string.encode())
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response_SARA_2 = read_complete_response(ser_sara, wait_for_line="OK")
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print(response_SARA_2)
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#3. Send to endpoint (with device ID)
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print("Send data (POST REQUEST):")
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command= f'AT+UHTTPC=0,4,"/pro_4G/data.php?sensor_id={device_id}","server_response.txt","sensordata_csv.json",4\r'
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ser_sara.write(command.encode('utf-8'))
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response_SARA_3 = read_complete_response(ser_sara, timeout=5, end_of_response_timeout=30, wait_for_line="+UUHTTPCR")
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print('<p class="text-danger-emphasis">')
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print(response_SARA_3)
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print("</p>")
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# Wait for the +UUHTTPCR response
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#print("Waiting for +UUHTTPCR response...")
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#response_received = False
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#while not response_received:
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# response_SARA_3 = read_complete_response(ser_sara, timeout=5)
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# print(response_SARA_3.strip())
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# if "+UUHTTPCR" in response_SARA_3:
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# response_received = True
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if "+UUHTTPCR" in response_SARA_3:
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print("✅ Received +UUHTTPCR response.")
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# Les types de réponse
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# 1.La commande n'a pas fonctionné
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# +CME ERROR: No connection to phone
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# +CME ERROR: Operation not allowed
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# 2.La commande fonctionne: elle renvoie un code
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# +UUHTTPCR: <profile_id>,<http_command>,<http_result>
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# <http_result>: 1 pour sucess et 0 pour fail
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# +UUHTTPCR: 0,4,1 -> OK
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# +UUHTTPCR: 0,4,0 -> error
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# Split response into lines
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lines = response_SARA_3.strip().splitlines()
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# 1.Vérifier si la réponse contient un message d'erreur CME
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if "+CME ERROR" in lines[-1]:
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print("*****")
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print('<span style="color: red;font-weight: bold;">ATTENTION: CME ERROR</span>')
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print("error:", lines[-1])
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print("*****")
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#update status
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update_json_key(config_file, "SARA_R4_network_status", "disconnected")
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# Gestion de l'erreur spécifique
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if "No connection to phone" in lines[-1]:
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print("No connection to the phone. Retrying or reset may be required.")
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# Actions spécifiques pour ce type d'erreur (par exemple, réinitialiser ou tenter de reconnecter)
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# need to reconnect to network
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# and reset HTTP profile (AT+UHTTP=0) -> ne fonctionne pas..
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# tester un reset avec CFUN 15
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# 1.Reconnexion au réseau (AT+COPS)
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command = f'AT+COPS=1,2,"{selected_networkID}"\r'
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ser_sara.write(command.encode('utf-8'))
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responseReconnect = read_complete_response(ser_sara)
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print("Response reconnect:")
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print(responseReconnect)
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print("End response reconnect")
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elif "Operation not allowed" in lines[-1]:
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print("Operation not allowed. This may require a different configuration.")
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# Actions spécifiques pour ce type d'erreur
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# Clignotement LED en cas d'erreur
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GPIO.output(23, GPIO.LOW) # Éteindre la LED définitivement
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for _ in range(4):
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GPIO.output(23, GPIO.HIGH) # Allumer la LED
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time.sleep(0.1)
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GPIO.output(23, GPIO.LOW) # Éteindre la LED
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time.sleep(0.1)
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GPIO.output(23, GPIO.LOW) # Turn off the LED
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else:
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# 2.Si la réponse contient une réponse HTTP valide
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# Extract HTTP response code from the last line
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# ATTENTION: lines[-1] renvoie l'avant dernière ligne et il peut y avoir un soucis avec le OK
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# rechercher plutot
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http_response = lines[-1] # "+UUHTTPCR: 0,4,0"
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parts = http_response.split(',')
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# 2.1 code 0 (HTTP failed)
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if len(parts) == 3 and parts[-1] == '0': # The third value indicates success
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print("*****")
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print('<span style="color: red;font-weight: bold;">ATTENTION: HTTP operation failed</span>')
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update_json_key(config_file, "SARA_R4_network_status", "disconnected")
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print("*****")
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print("resetting the URL (domain name):")
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print("Turning off the blue LED...")
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for _ in range(4): # Faire clignoter 4 fois
|
|
GPIO.output(23, GPIO.HIGH) # Allumer la LED
|
|
time.sleep(0.1) # Attendre 100 ms
|
|
GPIO.output(23, GPIO.LOW) # Éteindre la LED
|
|
time.sleep(0.1) # Attendre 100 ms
|
|
GPIO.output(23, GPIO.LOW) # Turn off the LED
|
|
command = f'AT+UHTTP=0,1,"{url_nebuleair}"\r'
|
|
ser_sara.write(command.encode('utf-8'))
|
|
response_SARA_31 = read_complete_response(ser_sara)
|
|
if need_to_log:
|
|
print(response_SARA_31)
|
|
|
|
# 2.2 code 1 (HHTP succeded)
|
|
else:
|
|
# Si la commande HTTP a réussi
|
|
print('<span class="badge text-bg-success">HTTP operation successful.</span>')
|
|
update_json_key(config_file, "SARA_R4_network_status", "connected")
|
|
print("Turning on the blue LED...")
|
|
for _ in range(4): # Faire clignoter 4 fois
|
|
GPIO.output(23, GPIO.HIGH) # Allumer la LED
|
|
time.sleep(0.1) # Attendre 100 ms
|
|
GPIO.output(23, GPIO.LOW) # Éteindre la LED
|
|
time.sleep(0.1) # Attendre 100 ms
|
|
GPIO.output(23, GPIO.HIGH) # Turn on the LED
|
|
#4. Read reply from server
|
|
print("Reply from server:")
|
|
ser_sara.write(b'AT+URDFILE="server_response.txt"\r')
|
|
response_SARA_4 = read_complete_response(ser_sara, wait_for_line="OK")
|
|
print('<p class="text-success">')
|
|
print(response_SARA_4)
|
|
print('</p>')
|
|
else:
|
|
print('<span style="color: red;font-weight: bold;">No UUHTTPCR response</span>')
|
|
|
|
#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_line="OK")
|
|
print(response_SARA_5)
|
|
|
|
'''
|
|
SEND TO MICRO SPOT
|
|
'''
|
|
if send_uSpot:
|
|
print(">>>>>>>>")
|
|
print("SEND TO MICRO SPOT:")
|
|
|
|
payload_string = json.dumps(payload_json) # Convert dict to JSON string
|
|
|
|
# Write Data to saraR4
|
|
# 1. Open sensordata_csv.json (with correct data size)
|
|
size_of_string = len(payload_string)
|
|
command = f'AT+UDWNFILE="sensordata_json.json",{size_of_string}\r'
|
|
ser_sara.write((command + '\r').encode('utf-8'))
|
|
response_SARA_1 = read_complete_response(ser_sara)
|
|
print("Open JSON:")
|
|
print(response_SARA_1)
|
|
time.sleep(1)
|
|
|
|
#2. Write to shell
|
|
ser_sara.write(payload_string.encode())
|
|
response_SARA_2 = read_complete_response(ser_sara)
|
|
if need_to_log:
|
|
print("Write to memory:")
|
|
print('<p class="fw-bold">'+response_SARA_2+'</p>')
|
|
|
|
#3. Send to endpoint (with device ID)
|
|
command= f'AT+UHTTPC=1,4,"nebuleair?token=2AFF6dQk68daFZ","server_response2.txt","sensordata_json.json",4\r'
|
|
ser_sara.write((command + '\r').encode('utf-8'))
|
|
response_SARA_3 = read_complete_response(ser_sara)
|
|
|
|
print("Send data:")
|
|
print(response_SARA_3)
|
|
|
|
lines = response_SARA_3.strip().splitlines()
|
|
|
|
# 1.Vérifier si la réponse contient un message d'erreur CME
|
|
if "+CME ERROR" in lines[-1]:
|
|
print("*****")
|
|
print('<span style="color: red;font-weight: bold;">ATTENTION: CME ERROR</span>')
|
|
print("error:", lines[-1])
|
|
print("*****")
|
|
#update status
|
|
update_json_key(config_file, "SARA_R4_network_status", "disconnected")
|
|
|
|
# Gestion de l'erreur spécifique
|
|
if "No connection to phone" in lines[-1]:
|
|
print("No connection to the phone. Retrying or reset may be required.")
|
|
# Actions spécifiques pour ce type d'erreur (par exemple, réinitialiser ou tenter de reconnecter)
|
|
# need to reconnect to network
|
|
# and reset HTTP profile (AT+UHTTP=0) -> ne fonctionne pas..
|
|
# tester un reset avec CFUN 15
|
|
# 1.Reconnexion au réseau (AT+COPS)
|
|
command = f'AT+COPS=1,2,"{selected_networkID}"\r'
|
|
ser_sara.write((command + '\r').encode('utf-8'))
|
|
responseReconnect = read_complete_response(ser_sara)
|
|
print("Response reconnect:")
|
|
print(responseReconnect)
|
|
print("End response reconnect")
|
|
|
|
elif "Operation not allowed" in lines[-1]:
|
|
print("Operation not allowed. This may require a different configuration.")
|
|
# Actions spécifiques pour ce type d'erreur
|
|
|
|
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
|
|
http_response = lines[-1] # "+UUHTTPCR: 0,4,0"
|
|
parts = http_response.split(',')
|
|
|
|
# 2.1 code 0 (HTTP failed)
|
|
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>')
|
|
print("*****")
|
|
|
|
|
|
# 2.2 code 1 (HHTP succeded)
|
|
else:
|
|
# Si la commande HTTP a réussi
|
|
print('<span class="badge text-bg-success">HTTP operation successful.</span>')
|
|
update_json_key(config_file, "SARA_R4_network_status", "connected")
|
|
print("Turning on the blue LED...")
|
|
for _ in range(4): # Faire clignoter 4 fois
|
|
GPIO.output(23, GPIO.HIGH) # Allumer la LED
|
|
time.sleep(0.1) # Attendre 100 ms
|
|
GPIO.output(23, GPIO.LOW) # Éteindre la LED
|
|
time.sleep(0.1) # Attendre 100 ms
|
|
GPIO.output(23, GPIO.HIGH) # Turn on the LED
|
|
#4. Read reply from server
|
|
ser_sara.write(b'AT+URDFILE="server_response2.txt"\r')
|
|
response_SARA_4 = read_complete_response(ser_sara)
|
|
if need_to_log:
|
|
print("Reply from server:")
|
|
print('<p class="text-success">')
|
|
print(response_SARA_4)
|
|
print('</p>')
|
|
|
|
#5. empty json
|
|
ser_sara.write(b'AT+UDELFILE="sensordata_json.json"\r')
|
|
response_SARA_5 = read_complete_response(ser_sara)
|
|
if need_to_log:
|
|
print("Empty JSON:")
|
|
print(response_SARA_5)
|
|
|
|
|
|
|
|
# Calculate and print the elapsed time
|
|
elapsed_time = time.time() - start_time_script
|
|
if need_to_log:
|
|
print(f"Elapsed time: {elapsed_time:.2f} seconds")
|
|
print("<hr>")
|
|
|
|
except Exception as e:
|
|
print("An error occurred:", e)
|
|
traceback.print_exc() # This prints the full traceback |