{"id":2012,"date":"2018-10-29T14:44:14","date_gmt":"2018-10-29T14:44:14","guid":{"rendered":"https:\/\/www.thenaylors.co.uk\/wordpress\/?p=2012"},"modified":"2019-04-27T17:25:09","modified_gmt":"2019-04-27T16:25:09","slug":"owl-intuition-logging-to-mosquitto-and-home-assistant","status":"publish","type":"post","link":"https:\/\/www.thenaylors.co.uk\/wordpress\/owl-intuition-logging-to-mosquitto-and-home-assistant\/","title":{"rendered":"Owl Intuition, logging to Mosquitto and Home Assistant"},"content":{"rendered":"\n

So thanks to Google again and the Home Assistant wiki I now have the Owl Intuition Solar readings being sent to Mosquitto and used as a series of sensors in Home Assistant.<\/p>\n\n\n\n

Starting point was this wiki entry and the entry by jchasey. https:\/\/community.home-assistant.io\/t\/owl-intuition-pv-home-assistant\/18157\/3<\/a>.<\/p>\n\n\n\n

The python script was amended to take solar reading and not hot_water and heating.<\/p>\n\n\n\n

import socket\nimport struct\nimport json\nfrom xml.etree import ElementTree as ET\n\nOWL_PORT = 22600\nOWL_GROUP = \"224.192.32.19\"\n\nsock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)\nsock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)\nsock.bind((OWL_GROUP, OWL_PORT))\nmreq = struct.pack(\"=4sl\", socket.inet_aton(OWL_GROUP), socket.INADDR_ANY)\nsock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)\n\nwhile True:\n    # Collect the XML multicast message\n    xml, addr = sock.recvfrom(1024)\n    # Parse the XML string\n    root = ET.fromstring(xml)\n\n    # print (root)\n\n    # Only process those messages we are interested in\n\n    if root.tag == 'electricity':\n      timestamp_value = 0\n      timestamp = root.find('timestamp')\n      if timestamp is not None:\n           timestamp_value = int(timestamp.text)\n           #print (\"time\", timestamp_value)\n        \n      signal_rssi_value = 0\n      signal_lqi_value = 0\n      signal = root.find('signal')\n      if signal is not None:\n        signal_rssi_value = int(signal.attrib[\"rssi\"])\n        signal_lqi_value = int(signal.attrib[\"lqi\"])\n        #print (\"rssi\", signal_rssi_value)\n        #print (\"lqi\", signal_lqi_value)\n\n      battery_value = 0.0\n      battery = root.find('battery')\n      if battery is not None:\n        battery_value = float(battery.attrib[\"level\"].rstrip(\"%\"))\n        #print (\"battery value\", battery_value)\n\n      for chan in root.iter('chan'):\n        #print (chan.attrib)\n        \n        chanid = chan.get('id')\n        #print (\"chandid\", chanid)\n        if chanid == \"0\":\n          current_now = 0.0\n          current = chan.find('curr')\n          if current is not None:\n              current_now = float(current.text)\n              #print (\"current now\", current_now)\n          current_day = 0.0\n          current = chan.find('day')\n          if current is not None:\n              current_day = float(current.text)\n              #print (\"current day\", current_day)\n\n        if chanid == \"1\":\n          solar_now = 0.0\n          solar = chan.find('curr')\n          if solar is not None:\n              solar_now = float(solar.text)\n              #print (\"solar now\", solar_now)\n          solar_day = 0.0\n          solar = chan.find('day')\n          if solar is not None:\n              solar_day = float(solar.text)\n              #print (\"solar day\", solar_day)\n\n    if root.tag == 'solar':\n        solar_exported = 0.0\n        solar = root.find('day\/exported')\n        if solar is not None:\n            solar_exported = float(solar.text)\n            #print (\"solar export\", solar_exported)\n            print (json.dumps({'type': root.tag, \\\n                       'timestamp': timestamp_value, \\\n                       'battery_level': battery_value, \\\n                       'current_now': current_now, \\\n                       'current_day': current_day,\\\n                       'solar_now': solar_now,\\\n                       'solar_day': solar_day,\\\n                       'solar_exported': solar_exported}))\n            \n\n<\/code><\/pre>\n\n\n\n
I then added a shell script to run the python.  This was placed into \/usr\/local\/bin with permission at 0400.<\/p>\n\n\n\n
#!\/bin\/sh\n#\n# owl_mcast2mqtt.sh\n#\n# Publish json output of the owl_mcast2json script to MQTT \n#\nexport LANG=C\nPATH=\"\/usr\/local\/bin:\/usr\/local\/sbin:\/usr\/bin:\/usr\/sbin:\/bin:\/sbin\"\n\nMQTT_HOST=\"ip.address.0.0\"\nMQTT_PORT=\"8883\"\nMQTT_USER=\"xxx\"\nMQTT_PASS=\"xxx\"\n\necho \"OWL Network Multicast 2 MQTT\"\n\npython3 -u \/usr\/owlintuition\/owl.py | while read line\ndo\n\tMQTT_TOPIC=\"tele\/home\/mcast\/$(echo $line | jq --raw-output '.type')\"\n\t# Publish the json to the appropriate topic\n\techo $line | mosquitto_pub -h $MQTT_HOST -p $MQTT_PORT -u $MQTT_USER -P $MQTT_PASS -i OWL_MCast -r -l -t $MQTT_TOPIC\ndone<\/code><\/pre>\n\n\n\n
A service was then created and enabled.<\/p>\n\n\n\n
[Unit]
\nDescription=OWL MQTT store
\nAfter=suspend.target<\/p>\n\n\n\n
[Service]
\nUser=root
\nType=oneshot
\nExecStart=\/usr\/local\/bin\/owl_mcast2mqtt.sh
\nTimeoutSec=0
\nStandardOutput=syslog<\/p>\n\n\n\n
[Install]
 WantedBy=suspend.target<\/p>\n\n\n\n
Strangely after a power cut all the above “disappeared”.<\/p>\n\n\n\n
Mosquito needed reinstalling – link here https:\/\/www.switchdoc.com\/2018\/02\/tutorial-installing-and-testing-mosquitto-mqtt-on-raspberry-pi\/<\/a><\/p>\n\n\n\n
jq needed installing – link here https:\/\/stedolan.github.io\/jq\/download\/<\/a><\/p>\n\n\n\n
This is a useful reminder for getting scripts working – https:\/\/www.raspberrypi.org\/forums\/viewtopic.php?t=197513<\/a><\/p>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
So thanks to Google again and the Home Assistant wiki I now have the Owl Intuition Solar readings being sent to Mosquitto and used as a series of sensors in Home Assistant. Starting point was this wiki entry and the entry by jchasey. https:\/\/community.home-assistant.io\/t\/owl-intuition-pv-home-assistant\/18157\/3. The python script was amended to take solar reading and not hot_water … <\/p>\n
Continue reading “Owl Intuition, logging to Mosquitto and Home Assistant”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[169,175,174],"tags":[],"class_list":["post-2012","post","type-post","status-publish","format-standard","hentry","category-home-assistant","category-mosquitto","category-owl-intuition"],"yoast_head":"\nOwl Intuition, logging to Mosquitto and Home Assistant - Michael Naylor<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.thenaylors.co.uk\/wordpress\/owl-intuition-logging-to-mosquitto-and-home-assistant\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Owl Intuition, logging to Mosquitto and Home Assistant - Michael Naylor\" \/>\n<meta property=\"og:description\" content=\"So thanks to Google again and the Home Assistant wiki I now have the Owl Intuition Solar readings being sent to Mosquitto and used as a series of sensors in Home Assistant. Starting point was this wiki entry and the entry by jchasey. https:\/\/community.home-assistant.io\/t\/owl-intuition-pv-home-assistant\/18157\/3. 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