A ruby interface for creating a device conforming to the MQTT Homie convention. This gem builds upon the ruby-mqtt ruby gem.
The Homie convention defines a standardized way of how IoT devices and services announce themselves and their data to a MQTT broker.
Add this line to your application's Gemfile:
gem 'mqtt-homie'And then execute:
$ bundle
Or install it yourself as:
$ gem install mqtt-homie
require 'rubygems'
require 'mqtt/homie'
# Set up a device, with a node and properties
device = MQTT::Homie.device_builder(id: 'device', name: 'Device')
.node(id: "gate", name: "Front gate", type: "Gate")
.property(id: "state", name: "Gate state", enum: [:open, :closed, :opening, :closing], value: :closed)
.property(id: "position", name: "Gate position", datatype: :integer, unit: "%", value: 0)
.property(id: "command", name: "Send gate command", settable: true, enum: [:open, :close]).build
# Create a client and connect to a MQTT broker
client = MQTT::Homie::Client.new(device: device, host: 'localhost')
client.connect
# access nodes and properties of the device
node = device.node('gate')
state = node.property('state')
state.value = :open # publishes new state to MQTT
# listen for changes to properties via the Observer interface
node.property('command').add_observer(self)TODO
The gem is available as open source under the terms of the MIT License.
Everyone interacting in the Mqtt::Homie project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.
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