This requires 2 parts.
ROS communication node
1. The first part is a ROS package capable of communicating over FRC Network Tables.
Convert values from ROS to the driver station
2. The second part needs a software interface on the RoboRIO to send and receive data to and from the RaspberryPI.
RoboRio Software (RoboRio) <--Network Tables--> ROS Converter Node (Rasp) <-- ROS Topics --> ROS Software (Rasp)
This requires 2 parts.
ROS communication node
Convert values from ROS to the driver station
RoboRio Software (RoboRio) <--Network Tables--> ROS Converter Node (Rasp) <-- ROS Topics --> ROS Software (Rasp)