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Grab state from a Vector robot and publish it to a MQTT topic
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| #!/usr/bin/env python3 | |
| # Copyright (c) 2021 acidzebra | |
| # | |
| # Licensed under the Apache License, Version 2.0 (the "License"); | |
| # you may not use this file except in compliance with the License. | |
| # You may obtain a copy of the License at | |
| # | |
| # https://www.apache.org/licenses/LICENSE-2.0 | |
| # | |
| # Unless required by applicable law or agreed to in writing, software | |
| # distributed under the License is distributed on an "AS IS" BASIS, | |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| # See the License for the specific language governing permissions and | |
| # limitations under the License. | |
| # | |
| # for use with Anki's awesome Vector robot: https://www.anki.com/en-us/vector | |
| # | |
| import anki_vector | |
| import json | |
| import paho.mqtt.client as mqtt | |
| # define variables for MQTT | |
| MQTT_HOST = "YOUR BROKER IP ADDRESS HERE" | |
| MQTT_TOPIC = "YOUR DESIRED TOPIC NAME HERE" | |
| MQTT_PORT = 1883 | |
| MQTT_KEEPALIVE_INTERVAL = 20 | |
| # define the robot object and variables we'll be reading from it | |
| myrobot = anki_vector.Robot("YOUR SERIAL NUMBER HERE",behavior_control_level=None) | |
| myrobotvoltage = 0 | |
| myrobotbatlevel = 0 | |
| myrobotcharging = 0 | |
| myrobotdocked = 0 | |
| # try connecting to the robot and pull the values | |
| try: | |
| myrobot.connect(timeout=12) | |
| myrobot_battery_state = myrobot.get_battery_state() | |
| if myrobot_battery_state: | |
| myrobotvoltage = myrobot_battery_state.battery_volts | |
| myrobotbatlevel = myrobot_battery_state.battery_level | |
| myrobotcharging = myrobot_battery_state.is_charging | |
| myrobotdocked = myrobot_battery_state.is_on_charger_platform | |
| myrobot.disconnect() | |
| except: | |
| print("unable to get data from robot") | |
| # format the response as json | |
| data = {} | |
| data['robots'] = [] | |
| data['robots'].append({ | |
| 'name': 'myrobot', | |
| 'voltage': myrobotvoltage, | |
| 'batlevel': myrobotbatlevel, | |
| 'charging': myrobotcharging, | |
| 'docked': myrobotdocked | |
| }) | |
| # ...then convert it to text? Not sure why I did this but it works. Yay, 1am programming. | |
| MQTT_MSG = str(data) | |
| # anyway, in the openHAB channel, use a jsonpath transform to get specific values like this: JSONPATH:$..voltage | |
| # Define on_publish event function | |
| def on_publish(client, userdata, mid): | |
| print("Message published to broker") | |
| # Initiate MQTT Client | |
| mqttc = mqtt.Client() | |
| # Register publish callback function | |
| mqttc.on_publish = on_publish | |
| # Connect with MQTT Broker | |
| mqttc.connect(MQTT_HOST, MQTT_PORT, MQTT_KEEPALIVE_INTERVAL) | |
| # Publish message to MQTT Broker | |
| mqttc.publish(MQTT_TOPIC,MQTT_MSG) | |
| # Disconnect from MQTT_Broker | |
| mqttc.disconnect() |
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