47d76be5df
Meme modele que NPM: ecriture en base avec valeurs a 0 et noise_status=0xFF si capteur deconnecte, flag ERR_NOISE (bit 5) dans byte 66 UDP, messages explicites sur page capteurs et self-test. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
'''
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____ ___ _ _ _ _ ____
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/ ___| / _ \| | | | \ | | _ \
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\___ \| | | | | | | \| | | | |
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___) | |_| | |_| | |\ | |_| |
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|____/ \___/ \___/|_| \_|____/
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python3 /var/www/nebuleair_pro_4g/sound_meter/read.py
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Read current values from NSRT MK4 Sound Level Meter (USB /dev/ttyACM0)
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Used by the web interface "Get Data" button via launcher.php
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'''
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import json
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import nsrt_mk3_dev
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try:
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nsrt = nsrt_mk3_dev.NsrtMk3Dev('/dev/ttyACM0')
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leq_level = nsrt.read_leq()
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weighted_level = nsrt.read_level()
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weighting = nsrt.read_weighting()
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time_constant = nsrt.read_tau()
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data = {
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"LEQ": round(leq_level, 2),
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"dBA": round(weighted_level, 2),
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"weighting": str(weighting),
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"tau": time_constant
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}
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print(json.dumps(data))
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except Exception as e:
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err_msg = str(e)
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if "No such file or directory" in err_msg or "could not open port" in err_msg:
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print(json.dumps({"error": "Capteur déconnecté — vérifiez le câblage USB du sonomètre NSRT MK4 (/dev/ttyACM0)", "disconnected": True}))
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elif "Permission denied" in err_msg:
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print(json.dumps({"error": "Permission refusée sur /dev/ttyACM0 — exécutez: sudo chmod 777 /dev/ttyACM0", "disconnected": False}))
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else:
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print(json.dumps({"error": err_msg}))
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