This is a ros package, so needs to go inside of the src of a catkin workspace
remember to pip install Flask
install locally this python library: https://github.com/rmango/flask-ngrok
To install locally, run this inside of the flask-ngrok folder: pip install -e .
to run: roslaunch ros_flask start_server.launch
also run the start message ros python file, in this repo: https://github.com/rmango/ROS-arm-cam
In a new terminal, cd into the directory that contains your rosbag
run $ source /opt/ros/noetic/setup.bash
run $ rosbag play <rosbag_name>.bag
To test out messages, use Postman
example postman requests are in the file research.postman_collection.json
Helpful command to watch the /img_coord topic: rostopic echo /img_coords
Simple Flask - ROS prototype.
Alternative to using ROSLIBJS
Send motion commands via http://localhost:5000/send_movement_command/<direction>
View possible commands at http://localhost:5000/help
An in-depth tutorial is available on the ros_flask wiki
After setting up ROS catkin and making, run this:
roslaunch flask_ros start_server.launchFor more information view the flask_ask_ros repo linked below.
- Flask HTML templates don't seem to work. See /src/html.py for used workaround for providing html responses. This could be an issue with how ROS manages directories. -- NOTE: I have actually fixed this on another project but am too lazy to update things here. If someone wants this create an issue and I'll update this repo
originally cloned from this repo by the 3Spheres Project: https://github.com/3SpheresRoboticsProject/flask_ask_ros
found from this article which explains why this works: https://campus-rover.gitbook.io/lab-notebook/cr-package/web-application/flask-and-ros
for use in Oregon State University's Charisma Lab: https://www.charismarobotics.com/