ardupilot/libraries/AP_Scripting/drivers/mount-djirs2-driver.md

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# DJI RS2 and RS3-Pro Mount Driver
DJI RS2 and RS3-Pro gimbal mount driver lua script
## How to use
- Connect gimbal to autopilot's CAN1 port or CAN2 port
- If connected to CAN1, set CAN_D1_PROTOCOL = 10 (Scripting), CAN_P1_DRIVER = 1 (First driver)
- If connected to CAN2, set CAN_D2_PROTOCOL = 10 (Scripting), CAN_P2_DRIVER = 2 (Second driver)
- Set SCR_ENABLE = 1 to enable scripting
- Set SCR_HEAP_SIZE = 120000 (or higher)
- Set MNT1_TYPE = 9 (Scripting) to enable the mount/gimbal scripting driver
- Reboot the autopilot
- Copy the mount-djirs2-driver.lua script to the autopilot's SD card in the APM/scripts directory and reboot the autopilot
## Advanced usage
- The gimbal can be connected to an existing DroneCAN bus (on ArduPilot 4.6 or later) by setting CAN_Dx_PROTOCOL2=10 on that bus's driver
- The gimbal can be used as the Nth mount (instead of the first) by setting MNTn_TYPE = 9 and modifying the script's user definitions
- The gimbal can be used with the Scripting2 protocol by modifying the script's user definitions
- Multiple gimbals can be used at once by duplicating the script and connecting them to different buses
## Issues
If the ground station reports "Pre-arm: Mount not healthy", update the
gimbal firmware using the DJI Ronin phone app to version 01.04.00.20 or
later to correct a mismatch in the way data is received from the gimbal.
Completing this update may take more than an hour.