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