126 lines
3.4 KiB
Python
Executable File
126 lines
3.4 KiB
Python
Executable File
'''
|
|
_ _ ____ __ __
|
|
| \ | | _ \| \/ |
|
|
| \| | |_) | |\/| |
|
|
| |\ | __/| | | |
|
|
|_| \_|_| |_| |_|
|
|
|
|
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
|
|
import time
|
|
|
|
parameter = sys.argv[1:] # Exclude the script name
|
|
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()
|
|
|
|
# Convert raw data to hex string for debugging
|
|
raw_hex = byte_data.hex() if byte_data else ""
|
|
|
|
# Check if we received data
|
|
if not byte_data or len(byte_data) < 15:
|
|
data = {
|
|
'PM1': 0.0,
|
|
'PM25': 0.0,
|
|
'PM10': 0.0,
|
|
'sleep': 0,
|
|
'degradedState': 0,
|
|
'notReady': 0,
|
|
'heatError': 0,
|
|
't_rhError': 0,
|
|
'fanError': 0,
|
|
'memoryError': 0,
|
|
'laserError': 0,
|
|
'raw': raw_hex,
|
|
'message': f"No data received or incomplete frame (length: {len(byte_data)})"
|
|
}
|
|
json_data = json.dumps(data)
|
|
print(json_data)
|
|
break
|
|
|
|
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
|
|
|
|
# Create JSON with raw data and status message
|
|
data = {
|
|
'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],
|
|
'raw': raw_hex,
|
|
'message': 'OK' if sum(Statebits[1:]) == 0 else 'Sensor error detected'
|
|
}
|
|
json_data = json.dumps(data)
|
|
print(json_data)
|
|
break
|
|
|
|
except KeyboardInterrupt:
|
|
data = {
|
|
'PM1': 0.0,
|
|
'PM25': 0.0,
|
|
'PM10': 0.0,
|
|
'sleep': 0,
|
|
'degradedState': 0,
|
|
'notReady': 0,
|
|
'heatError': 0,
|
|
't_rhError': 0,
|
|
'fanError': 0,
|
|
'memoryError': 0,
|
|
'laserError': 0,
|
|
'raw': '',
|
|
'message': 'User interrupt encountered'
|
|
}
|
|
print(json.dumps(data))
|
|
time.sleep(3)
|
|
exit()
|
|
|
|
except Exception as e:
|
|
data = {
|
|
'PM1': 0.0,
|
|
'PM25': 0.0,
|
|
'PM10': 0.0,
|
|
'sleep': 0,
|
|
'degradedState': 0,
|
|
'notReady': 0,
|
|
'heatError': 0,
|
|
't_rhError': 0,
|
|
'fanError': 0,
|
|
'memoryError': 0,
|
|
'laserError': 0,
|
|
'raw': '',
|
|
'message': f'Error: {str(e)}'
|
|
}
|
|
print(json.dumps(data))
|
|
time.sleep(3)
|
|
exit() |