70 lines
3.3 KiB
Python
70 lines
3.3 KiB
Python
# https://www.instructables.com/id/Arduino-Python-Communication-via-USB/
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# in /etc/systemd/system/startup-commands.service (s. https://www.nodebucket.de/index.php/apps/cms_pico/pico/server/setup):
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# ExecStart = su tilman -c 'python3 /media/hd/admin/doorbell/doorbell.py >> /media/hd/admin/doorbell/doorbell.log 2>&1 &'
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import serial
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import urllib.request
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import logging
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import logging.handlers as handlers
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import time
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import json
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logger = logging.getLogger('Rotating Log')
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logger.setLevel(logging.INFO)
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logHandler = handlers.RotatingFileHandler('/mnt/admin/doorbell/doorbell.log', maxBytes=1000000, backupCount=2)
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logHandler.setLevel(logging.INFO)
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logHandler.setFormatter(logging.Formatter('%(asctime)s %(levelname)s - %(message)s', '%Y-%m-%d %H:%M:%S'))
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logger.addHandler(logHandler)
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logger.info('Initializing')
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# Stelle sicher, dass der Symlink /dev/Doorbell auch auf dem neuen Server existiert!
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arduino = serial.Serial('/dev/Doorbell', 9600, timeout=.1)
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last_ring = time.time()
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# Ersetze den String nach "Bearer " durch deinen neu erstellten Token aus Schritt 1
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headers = {
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"Authorization": "Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiI1YWM2YzBkZTY4ZWY0NTE1YjQ2NzNmNGRlZWQ3YWUxZCIsImlhdCI6MTc4NDA1NTE4OCwiZXhwIjoyMDk5NDE1MTg4fQ.8s50h9BNVSIDlCxmOZIM_gPLHoRBrSpOKvOX-sjFN8U",
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"Content-Type": "application/json"
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}
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while True:
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data = arduino.readline()[:-2] # Entfernt Newline-Zeichen (\r\n)
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if data:
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try:
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data = data.decode('utf8')
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except (UnicodeDecodeError) as ude:
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logger.error(f"Decode Error: {ude}")
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else:
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logger.info(f"Received from Arduino: {data}")
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if data == 'RING':
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# 1. Lokalen HTTP-Request an den Gong senden
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try:
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response = urllib.request.urlopen('http://192.168.178.60/bell/on', timeout=5).read().decode('utf-8')
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except Exception as e:
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logger.error(f"Could not trigger physical bell: {e}")
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# 2. MQTT-Meldung an Home Assistant senden (max. alle 5 Sekunden)
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if (time.time() - last_ring) > 5:
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last_ring = time.time()
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try:
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payload_data = json.dumps({'payload': 'RING', 'topic': 'lewe/doorbell', 'retain': 'False'}).encode('utf8')
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request = urllib.request.Request("https://ha.nodebucket.de/api/services/mqtt/publish", payload_data, headers)
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response = urllib.request.urlopen(request, timeout=5)
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except Exception as e:
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logger.error(f"Could not send MQTT Ring Event to Home Assistant: {e}")
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elif data == 'CLICK':
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if (time.time() - last_ring) > 5:
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last_ring = time.time()
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try:
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payload_data = json.dumps({'payload': 'CLICK', 'topic': 'lewe/doorbell', 'retain': 'False'}).encode('utf8')
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request = urllib.request.Request("https://ha.nodebucket.de/api/services/mqtt/publish", payload_data, headers)
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response = urllib.request.urlopen(request, timeout=5)
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except Exception as e:
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logger.error(f"Could not send MQTT Click Event to Home Assistant: {e}")
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# Kleiner Sleep, um die CPU im Idle-Zustand zu entlasten
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time.sleep(0.05) |