65 lines
1.5 KiB
Python
Executable File
65 lines
1.5 KiB
Python
Executable File
'''
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Script to get NPM firmware version
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need parameter: port
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/usr/bin/python3 /var/www/nebuleair_pro_4g/NPM/firmware_version.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\x17\x68') #firmware version
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while True:
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try:
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byte_data = ser.readline()
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formatted = ''.join(f'\\x{byte:02x}' for byte in byte_data)
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#print(formatted)
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'''
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la réponse est de type
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\x81\x17\x00\x10\x46\x12
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avec
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\x81 address
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\x17 command code
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\x00 state
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\x10\x46 firmware version
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\x12 checksum
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'''
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# Extract byte 4 and byte 5
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byte4 = byte_data[3] # 4th byte (index 3)
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byte5 = byte_data[4] # 5th byte (index 4)
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firmware_version = int(f"{byte4:02x}{byte5:02x}")
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data = {
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'firmware_version': firmware_version,
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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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