fiware_ros_bridge

This ros package acts as a bridge between FIWARE and ROS through MQTT.

Description

robot_cmd

This ROS node receives a command from FIWARE orion context broker through MQTT.

When receiving a command, this node publish a ROS message to a ROS topic.

robot_attrs

This ROS node subscribes a ROS topic.

When receiving a ROS message from the topic, this node publishes the received messae to FIWARE orion context broker through MQTT.

Requirement

ROS kinetic

Prepare

Install libraries

$ cd ~/ros_ws/src
$ git clone https://github.com/RoboticBase/fiware_ros_bridge.git
$ pip install -r fiware_ros_bridge/requirements/common.txt

scp cert file (if you need)

If your MQTT Broker has TLS encryption, you have to set the root certification file.

$ scp /path/to/your/cert_file.crt ${user}@${robot}:${ROS_WS}/src/fiware_ros_bridge/secrets/ca.crt

configure parameters to connect MQTT broker

$ cp src/fiware_ros_bridge/config/mqtt.yaml.template src/fiware_ros_bridge/config/mqtt.yaml
$ vi src/fiware_ros_bridge/config/mqtt.yaml

How to Run

$ roslaunch fiware_ros_bridge fiware_ros_bridge.launch

Confirm that the log messages like below are shown.

[INFO] [1531975302.196302]: [fiware_ros_bridge.base:CmdBridge._on_connect] connected to mqtt broker, status=0
[INFO] [1531975302.204255]: [fiware_ros_bridge.base:AttrsBridge._on_connect] connected to mqtt broker, status=0

If status is not 0, mqtt.yaml and/or ca.crt is invalid.

License

Apache License 2.0

Copyright

Copyright (c) 2018 TIS Inc.