55 lines
2.3 KiB
Python
55 lines
2.3 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('/media/hd/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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arduino = serial.Serial('/dev/Doorbell', 9600, timeout=.1)
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# for ESP32
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#arduino.setDTR(False)
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#arduino.setRTS(False)
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last_ring = time.time()
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while True:
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data = arduino.readline()[:-2] #the last bit gets rid of the new-line chars
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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(ude)
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else:
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logger.info(data)
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if (data == 'RING'):
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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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# send MQTT if last ring was more than 5 seconds ago
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if ((time.time() - last_ring) > 5):
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last_ring = time.time()
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headers = {
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"Authorization": "Bearer eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJjYjY5NjA5NmY0N2E0NmZlOGEzYjczOGYzYmUzOTk5ZSIsImlhdCI6MTY2MTM0NDgxOSwiZXhwIjoxOTc2NzA0ODE5fQ.z9fzbVOA1Pbur3Zb07481n-SoYesj8cetw-CX6WPmTs",
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"Content-Type": "application/json"
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}
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data = json.dumps({'payload': 'RING', 'topic': 'lewe/doorbell', 'retain': 'False'}).encode('utf8')
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request = urllib.request.Request("https://www.nodebucket.de:8123/api/services/mqtt/publish", data, headers)
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response = urllib.request.urlopen(request)
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except Exception:
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logger.error("Could not ring doorbell")
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time.sleep(300) |