casu-airflow

Driver code for the BBG controlling the FESTO pneumatic valves and airflow sensor. It acts as a proxy to the valves for ohter CASUs.

Prerequisites

The following packages need to be installed on the BBG

sudo apt install python-zmq
sudo pip install pymodbus

Deployment

The BeagleBone controlling the valves must have hostname bbg-airflow and IP address 10.42.0.253.

• valve_controller.py must me started on system boot (from /etc/rc.local); it provides the interface to the valves

• airflow_sensor can be run from the command line, it prints sensor reading to the console; it expects the Honeywell Zephyr sensor to be connected to the I2C bus 2, on address 73