Orbit GPS Quickstart Guide

Setting Up with Ardupilot Firmware

Connection

1. Connect the 4-pin CAN cable connector from the Orbit GPS to the CAN1 or CAN2 port on the flight controller.

Power and Configuration

1. Power the flight controller and connect it to Mission Planner
2. Navigate to Config/Tuning > Full Parameter List
3. Set the following parameters:
   • CAN_D1_PROTOCOL: Set to 1 to configure CAN1 as DroneCAN
   • CAN_D2_PROTOCOL: Set to 1 to configure CAN2 as DroneCAN
   • CAN_P1_DRIVER: Set to 1 to enable the CAN1 bus
   • CAN_P2_DRIVER: Set to 1 to enable the CAN2 bus
   • GPS_TYPE: Set to 9 to select DroneCAN as the communication protocol for GPS1
   • NTF_LED_TYPES: Set to 231 to configure the LED type to DroneCAN

Completing Setup

1. Click Write Params in Mission Planner after modifying the parameters
2. Reboot the flight controller to activate the CAN functions

Setting Up with PX4 Firmware

Note: PX4 firmware version 1.12.3 and above is supported for automatic node ID allocation. Older versions may require manual configuration.

Firmware and Connection

1. Load the PX4 firmware onto the autopilot
2. Connect the 4-pin CAN connector from the Orbit GPS to the CAN1 or CAN2 port on the flight controller

Configuration

1. Connect the flight controller to QGroundControl
2. Set the parameter UAVCAN_ENABLE to “Sensor Automatic Config”

Completing Setup

The Orbit GPS will automatically configure and start working once connected. No additional steps are required.