The CAN bus is the primary means of communication within the flight stack. The CAN bus is the means by which any board can request data from the avionics, receive data from the avionics, as well as receive commands and requests from the avionics for a specific action. | The CAN bus is the primary means of communication within the flight stack. The CAN bus is the means by which any board can request data from the avionics, receive data from the avionics, as well as receive commands and requests from the avionics for a specific action. |